diff options
116 files changed, 3971 insertions, 2293 deletions
diff --git a/externals/dynarmic b/externals/dynarmic -Subproject e7166e8ba74d7b9c85e87afc0aaf667e7e84cfe +Subproject 4f967387c07365b7ea35d2fa3e19b7df8872a09 diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index 3a57356ab..1e977e8a8 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -62,6 +62,10 @@ else() -Wno-unused-parameter ) + if (ARCHITECTURE_x86_64) + add_compile_options("-mcx16") + endif() + if (APPLE AND CMAKE_CXX_COMPILER_ID STREQUAL Clang) add_compile_options("-stdlib=libc++") endif() diff --git a/src/audio_core/stream.cpp b/src/audio_core/stream.cpp index ca7cfb030..dfc4805d9 100644 --- a/src/audio_core/stream.cpp +++ b/src/audio_core/stream.cpp @@ -59,11 +59,20 @@ Stream::State Stream::GetState() const { return state; } -s64 Stream::GetBufferReleaseCycles(const Buffer& buffer) const { +s64 Stream::GetBufferReleaseNS(const Buffer& buffer) const { const std::size_t num_samples{buffer.GetSamples().size() / GetNumChannels()}; - const auto us = - std::chrono::microseconds((static_cast<u64>(num_samples) * 1000000) / sample_rate); - return Core::Timing::usToCycles(us); + const auto ns = + std::chrono::nanoseconds((static_cast<u64>(num_samples) * 1000000000ULL) / sample_rate); + return ns.count(); +} + +s64 Stream::GetBufferReleaseNSHostTiming(const Buffer& buffer) const { + const std::size_t num_samples{buffer.GetSamples().size() / GetNumChannels()}; + /// DSP signals before playing the last sample, in HLE we emulate this in this way + s64 base_samples = std::max<s64>(static_cast<s64>(num_samples) - 1, 0); + const auto ns = + std::chrono::nanoseconds((static_cast<u64>(base_samples) * 1000000000ULL) / sample_rate); + return ns.count(); } static void VolumeAdjustSamples(std::vector<s16>& samples, float game_volume) { @@ -105,7 +114,11 @@ void Stream::PlayNextBuffer() { sink_stream.EnqueueSamples(GetNumChannels(), active_buffer->GetSamples()); - core_timing.ScheduleEvent(GetBufferReleaseCycles(*active_buffer), release_event, {}); + if (core_timing.IsHostTiming()) { + core_timing.ScheduleEvent(GetBufferReleaseNSHostTiming(*active_buffer), release_event, {}); + } else { + core_timing.ScheduleEvent(GetBufferReleaseNS(*active_buffer), release_event, {}); + } } void Stream::ReleaseActiveBuffer() { diff --git a/src/audio_core/stream.h b/src/audio_core/stream.h index 1708a4d98..e309d60fe 100644 --- a/src/audio_core/stream.h +++ b/src/audio_core/stream.h @@ -96,7 +96,10 @@ private: void ReleaseActiveBuffer(); /// Gets the number of core cycles when the specified buffer will be released - s64 GetBufferReleaseCycles(const Buffer& buffer) const; + s64 GetBufferReleaseNS(const Buffer& buffer) const; + + /// Gets the number of core cycles when the specified buffer will be released + s64 GetBufferReleaseNSHostTiming(const Buffer& buffer) const; u32 sample_rate; ///< Sample rate of the stream Format format; ///< Format of the stream diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt index 3cc17d0e9..d120c8d3d 100644 --- a/src/common/CMakeLists.txt +++ b/src/common/CMakeLists.txt @@ -98,6 +98,8 @@ add_library(common STATIC algorithm.h alignment.h assert.h + atomic_ops.cpp + atomic_ops.h detached_tasks.cpp detached_tasks.h bit_field.h diff --git a/src/common/atomic_ops.cpp b/src/common/atomic_ops.cpp new file mode 100644 index 000000000..1098e21ff --- /dev/null +++ b/src/common/atomic_ops.cpp @@ -0,0 +1,70 @@ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <cstring> + +#include "common/atomic_ops.h" + +#if _MSC_VER +#include <intrin.h> +#endif + +namespace Common { + +#if _MSC_VER + +bool AtomicCompareAndSwap(u8 volatile* pointer, u8 value, u8 expected) { + u8 result = _InterlockedCompareExchange8((char*)pointer, value, expected); + return result == expected; +} + +bool AtomicCompareAndSwap(u16 volatile* pointer, u16 value, u16 expected) { + u16 result = _InterlockedCompareExchange16((short*)pointer, value, expected); + return result == expected; +} + +bool AtomicCompareAndSwap(u32 volatile* pointer, u32 value, u32 expected) { + u32 result = _InterlockedCompareExchange((long*)pointer, value, expected); + return result == expected; +} + +bool AtomicCompareAndSwap(u64 volatile* pointer, u64 value, u64 expected) { + u64 result = _InterlockedCompareExchange64((__int64*)pointer, value, expected); + return result == expected; +} + +bool AtomicCompareAndSwap(u64 volatile* pointer, u128 value, u128 expected) { + return _InterlockedCompareExchange128((__int64*)pointer, value[1], value[0], + (__int64*)expected.data()) != 0; +} + +#else + +bool AtomicCompareAndSwap(u8 volatile* pointer, u8 value, u8 expected) { + return __sync_bool_compare_and_swap(pointer, expected, value); +} + +bool AtomicCompareAndSwap(u16 volatile* pointer, u16 value, u16 expected) { + return __sync_bool_compare_and_swap(pointer, expected, value); +} + +bool AtomicCompareAndSwap(u32 volatile* pointer, u32 value, u32 expected) { + return __sync_bool_compare_and_swap(pointer, expected, value); +} + +bool AtomicCompareAndSwap(u64 volatile* pointer, u64 value, u64 expected) { + return __sync_bool_compare_and_swap(pointer, expected, value); +} + +bool AtomicCompareAndSwap(u64 volatile* pointer, u128 value, u128 expected) { + unsigned __int128 value_a; + unsigned __int128 expected_a; + std::memcpy(&value_a, value.data(), sizeof(u128)); + std::memcpy(&expected_a, expected.data(), sizeof(u128)); + return __sync_bool_compare_and_swap((unsigned __int128*)pointer, expected_a, value_a); +} + +#endif + +} // namespace Common diff --git a/src/common/atomic_ops.h b/src/common/atomic_ops.h new file mode 100644 index 000000000..e6181d521 --- /dev/null +++ b/src/common/atomic_ops.h @@ -0,0 +1,17 @@ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include "common/common_types.h" + +namespace Common { + +bool AtomicCompareAndSwap(u8 volatile* pointer, u8 value, u8 expected); +bool AtomicCompareAndSwap(u16 volatile* pointer, u16 value, u16 expected); +bool AtomicCompareAndSwap(u32 volatile* pointer, u32 value, u32 expected); +bool AtomicCompareAndSwap(u64 volatile* pointer, u64 value, u64 expected); +bool AtomicCompareAndSwap(u64 volatile* pointer, u128 value, u128 expected); + +} // namespace Common diff --git a/src/common/fiber.cpp b/src/common/fiber.cpp index f97ad433b..1c1d09ccb 100644 --- a/src/common/fiber.cpp +++ b/src/common/fiber.cpp @@ -54,9 +54,7 @@ Fiber::Fiber(std::function<void(void*)>&& entry_point_func, void* start_paramete impl->handle = CreateFiber(default_stack_size, &FiberStartFunc, this); } -Fiber::Fiber() { - impl = std::make_unique<FiberImpl>(); -} +Fiber::Fiber() : impl{std::make_unique<FiberImpl>()} {} Fiber::~Fiber() { if (released) { @@ -116,8 +114,8 @@ std::shared_ptr<Fiber> Fiber::ThreadToFiber() { struct Fiber::FiberImpl { alignas(64) std::array<u8, default_stack_size> stack; - u8* stack_limit; alignas(64) std::array<u8, default_stack_size> rewind_stack; + u8* stack_limit; u8* rewind_stack_limit; boost::context::detail::fcontext_t context; boost::context::detail::fcontext_t rewind_context; @@ -168,9 +166,7 @@ void Fiber::SetRewindPoint(std::function<void(void*)>&& rewind_func, void* start rewind_parameter = start_parameter; } -Fiber::Fiber() { - impl = std::make_unique<FiberImpl>(); -} +Fiber::Fiber() : impl{std::make_unique<FiberImpl>()} {} Fiber::~Fiber() { if (released) { diff --git a/src/common/spin_lock.cpp b/src/common/spin_lock.cpp index c7b46aac6..c1524220f 100644 --- a/src/common/spin_lock.cpp +++ b/src/common/spin_lock.cpp @@ -20,7 +20,7 @@ namespace { -void thread_pause() { +void ThreadPause() { #if __x86_64__ _mm_pause(); #elif __aarch64__ && _MSC_VER @@ -30,13 +30,13 @@ void thread_pause() { #endif } -} // namespace +} // Anonymous namespace namespace Common { void SpinLock::lock() { while (lck.test_and_set(std::memory_order_acquire)) { - thread_pause(); + ThreadPause(); } } diff --git a/src/common/spin_lock.h b/src/common/spin_lock.h index 70282a961..1df5528c4 100644 --- a/src/common/spin_lock.h +++ b/src/common/spin_lock.h @@ -8,6 +8,11 @@ namespace Common { +/** + * SpinLock class + * a lock similar to mutex that forces a thread to spin wait instead calling the + * supervisor. Should be used on short sequences of code. + */ class SpinLock { public: void lock(); diff --git a/src/common/thread.cpp b/src/common/thread.cpp index 0cd2d10bf..8e5935e6a 100644 --- a/src/common/thread.cpp +++ b/src/common/thread.cpp @@ -25,6 +25,52 @@ namespace Common { +#ifdef _WIN32 + +void SetCurrentThreadPriority(ThreadPriority new_priority) { + auto handle = GetCurrentThread(); + int windows_priority = 0; + switch (new_priority) { + case ThreadPriority::Low: + windows_priority = THREAD_PRIORITY_BELOW_NORMAL; + break; + case ThreadPriority::Normal: + windows_priority = THREAD_PRIORITY_NORMAL; + break; + case ThreadPriority::High: + windows_priority = THREAD_PRIORITY_ABOVE_NORMAL; + break; + case ThreadPriority::VeryHigh: + windows_priority = THREAD_PRIORITY_HIGHEST; + break; + default: + windows_priority = THREAD_PRIORITY_NORMAL; + break; + } + SetThreadPriority(handle, windows_priority); +} + +#else + +void SetCurrentThreadPriority(ThreadPriority new_priority) { + pthread_t this_thread = pthread_self(); + + s32 max_prio = sched_get_priority_max(SCHED_OTHER); + s32 min_prio = sched_get_priority_min(SCHED_OTHER); + u32 level = static_cast<u32>(new_priority) + 1; + + struct sched_param params; + if (max_prio > min_prio) { + params.sched_priority = min_prio + ((max_prio - min_prio) * level) / 4; + } else { + params.sched_priority = min_prio - ((min_prio - max_prio) * level) / 4; + } + + pthread_setschedparam(this_thread, SCHED_OTHER, ¶ms); +} + +#endif + #ifdef _MSC_VER // Sets the debugger-visible name of the current thread. @@ -70,6 +116,12 @@ void SetCurrentThreadName(const char* name) { } #endif +#if defined(_WIN32) +void SetCurrentThreadName(const char* name) { + // Do Nothing on MingW +} +#endif + #endif } // namespace Common diff --git a/src/common/thread.h b/src/common/thread.h index 127cc7e23..52b359413 100644 --- a/src/common/thread.h +++ b/src/common/thread.h @@ -86,6 +86,15 @@ private: std::size_t generation = 0; // Incremented once each time the barrier is used }; +enum class ThreadPriority : u32 { + Low = 0, + Normal = 1, + High = 2, + VeryHigh = 3, +}; + +void SetCurrentThreadPriority(ThreadPriority new_priority); + void SetCurrentThreadName(const char* name); } // namespace Common diff --git a/src/common/wall_clock.cpp b/src/common/wall_clock.cpp index d4d35f4e7..3afbdb898 100644 --- a/src/common/wall_clock.cpp +++ b/src/common/wall_clock.cpp @@ -53,6 +53,10 @@ public: return Common::Divide128On32(temporary, 1000000000).first; } + void Pause(bool is_paused) override { + // Do nothing in this clock type. + } + private: base_time_point start_time; }; @@ -64,12 +68,7 @@ std::unique_ptr<WallClock> CreateBestMatchingClock(u32 emulated_cpu_frequency, const auto& caps = GetCPUCaps(); u64 rtsc_frequency = 0; if (caps.invariant_tsc) { - if (caps.base_frequency != 0) { - rtsc_frequency = static_cast<u64>(caps.base_frequency) * 1000000U; - } - if (rtsc_frequency == 0) { - rtsc_frequency = EstimateRDTSCFrequency(); - } + rtsc_frequency = EstimateRDTSCFrequency(); } if (rtsc_frequency == 0) { return std::make_unique<StandardWallClock>(emulated_cpu_frequency, diff --git a/src/common/wall_clock.h b/src/common/wall_clock.h index ed284cf50..367d72134 100644 --- a/src/common/wall_clock.h +++ b/src/common/wall_clock.h @@ -28,6 +28,8 @@ public: /// Returns current wall time in emulated cpu cycles virtual u64 GetCPUCycles() = 0; + virtual void Pause(bool is_paused) = 0; + /// Tells if the wall clock, uses the host CPU's hardware clock bool IsNative() const { return is_native; diff --git a/src/common/x64/native_clock.cpp b/src/common/x64/native_clock.cpp index 26d4d0ba6..424b39b1f 100644 --- a/src/common/x64/native_clock.cpp +++ b/src/common/x64/native_clock.cpp @@ -3,6 +3,7 @@ // Refer to the license.txt file included. #include <chrono> +#include <mutex> #include <thread> #ifdef _MSC_VER @@ -52,7 +53,7 @@ NativeClock::NativeClock(u64 emulated_cpu_frequency, u64 emulated_clock_frequenc } u64 NativeClock::GetRTSC() { - rtsc_serialize.lock(); + std::scoped_lock scope{rtsc_serialize}; _mm_mfence(); const u64 current_measure = __rdtsc(); u64 diff = current_measure - last_measure; @@ -61,8 +62,15 @@ u64 NativeClock::GetRTSC() { last_measure = current_measure; } accumulated_ticks += diff; - rtsc_serialize.unlock(); - return accumulated_ticks; + /// The clock cannot be more precise than the guest timer, remove the lower bits + return accumulated_ticks & inaccuracy_mask; +} + +void NativeClock::Pause(bool is_paused) { + if (!is_paused) { + _mm_mfence(); + last_measure = __rdtsc(); + } } std::chrono::nanoseconds NativeClock::GetTimeNS() { diff --git a/src/common/x64/native_clock.h b/src/common/x64/native_clock.h index b58cf9f5a..891a3bbfd 100644 --- a/src/common/x64/native_clock.h +++ b/src/common/x64/native_clock.h @@ -26,9 +26,16 @@ public: u64 GetCPUCycles() override; + void Pause(bool is_paused) override; + private: u64 GetRTSC(); + /// value used to reduce the native clocks accuracy as some apss rely on + /// undefined behavior where the level of accuracy in the clock shouldn't + /// be higher. + static constexpr u64 inaccuracy_mask = ~(0x400 - 1); + SpinLock rtsc_serialize{}; u64 last_measure{}; u64 accumulated_ticks{}; diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt index efbad628f..f87d67db5 100644 --- a/src/core/CMakeLists.txt +++ b/src/core/CMakeLists.txt @@ -7,6 +7,16 @@ endif() add_library(core STATIC arm/arm_interface.h arm/arm_interface.cpp + arm/cpu_interrupt_handler.cpp + arm/cpu_interrupt_handler.h + arm/dynarmic/arm_dynarmic_32.cpp + arm/dynarmic/arm_dynarmic_32.h + arm/dynarmic/arm_dynarmic_64.cpp + arm/dynarmic/arm_dynarmic_64.h + arm/dynarmic/arm_dynarmic_cp15.cpp + arm/dynarmic/arm_dynarmic_cp15.h + arm/dynarmic/arm_exclusive_monitor.cpp + arm/dynarmic/arm_exclusive_monitor.h arm/exclusive_monitor.cpp arm/exclusive_monitor.h arm/unicorn/arm_unicorn.cpp @@ -15,8 +25,6 @@ add_library(core STATIC constants.h core.cpp core.h - core_manager.cpp - core_manager.h core_timing.cpp core_timing.h core_timing_util.cpp @@ -547,8 +555,6 @@ add_library(core STATIC hle/service/vi/vi_u.h hle/service/wlan/wlan.cpp hle/service/wlan/wlan.h - host_timing.cpp - host_timing.h loader/deconstructed_rom_directory.cpp loader/deconstructed_rom_directory.h loader/elf.cpp diff --git a/src/core/arm/arm_interface.cpp b/src/core/arm/arm_interface.cpp index d079a1bc8..d2295ed90 100644 --- a/src/core/arm/arm_interface.cpp +++ b/src/core/arm/arm_interface.cpp @@ -139,6 +139,63 @@ std::optional<std::string> GetSymbolName(const Symbols& symbols, VAddr func_addr constexpr u64 SEGMENT_BASE = 0x7100000000ull; +std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktraceFromContext( + System& system, const ThreadContext64& ctx) { + std::vector<BacktraceEntry> out; + auto& memory = system.Memory(); + + auto fp = ctx.cpu_registers[29]; + auto lr = ctx.cpu_registers[30]; + while (true) { + out.push_back({"", 0, lr, 0}); + if (!fp) { + break; + } + lr = memory.Read64(fp + 8) - 4; + fp = memory.Read64(fp); + } + + std::map<VAddr, std::string> modules; + auto& loader{system.GetAppLoader()}; + if (loader.ReadNSOModules(modules) != Loader::ResultStatus::Success) { + return {}; + } + + std::map<std::string, Symbols> symbols; + for (const auto& module : modules) { + symbols.insert_or_assign(module.second, GetSymbols(module.first, memory)); + } + + for (auto& entry : out) { + VAddr base = 0; + for (auto iter = modules.rbegin(); iter != modules.rend(); ++iter) { + const auto& module{*iter}; + if (entry.original_address >= module.first) { + entry.module = module.second; + base = module.first; + break; + } + } + + entry.offset = entry.original_address - base; + entry.address = SEGMENT_BASE + entry.offset; + + if (entry.module.empty()) + entry.module = "unknown"; + + const auto symbol_set = symbols.find(entry.module); + if (symbol_set != symbols.end()) { + const auto symbol = GetSymbolName(symbol_set->second, entry.offset); + if (symbol.has_value()) { + // TODO(DarkLordZach): Add demangling of symbol names. + entry.name = *symbol; + } + } + } + + return out; +} + std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktrace() const { std::vector<BacktraceEntry> out; auto& memory = system.Memory(); diff --git a/src/core/arm/arm_interface.h b/src/core/arm/arm_interface.h index cb2e640e2..1f24051e4 100644 --- a/src/core/arm/arm_interface.h +++ b/src/core/arm/arm_interface.h @@ -7,6 +7,7 @@ #include <array> #include <vector> #include "common/common_types.h" +#include "core/hardware_properties.h" namespace Common { struct PageTable; @@ -18,25 +19,29 @@ enum class VMAPermission : u8; namespace Core { class System; +class CPUInterruptHandler; + +using CPUInterrupts = std::array<CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES>; /// Generic ARMv8 CPU interface class ARM_Interface : NonCopyable { public: - explicit ARM_Interface(System& system_) : system{system_} {} + explicit ARM_Interface(System& system_, CPUInterrupts& interrupt_handlers, bool uses_wall_clock) + : system{system_}, interrupt_handlers{interrupt_handlers}, uses_wall_clock{ + uses_wall_clock} {} virtual ~ARM_Interface() = default; struct ThreadContext32 { std::array<u32, 16> cpu_registers{}; + std::array<u32, 64> extension_registers{}; u32 cpsr{}; - std::array<u8, 4> padding{}; - std::array<u64, 32> fprs{}; u32 fpscr{}; u32 fpexc{}; u32 tpidr{}; }; // Internally within the kernel, it expects the AArch32 version of the // thread context to be 344 bytes in size. - static_assert(sizeof(ThreadContext32) == 0x158); + static_assert(sizeof(ThreadContext32) == 0x150); struct ThreadContext64 { std::array<u64, 31> cpu_registers{}; @@ -143,6 +148,8 @@ public: */ virtual void SetTPIDR_EL0(u64 value) = 0; + virtual void ChangeProcessorID(std::size_t new_core_id) = 0; + virtual void SaveContext(ThreadContext32& ctx) = 0; virtual void SaveContext(ThreadContext64& ctx) = 0; virtual void LoadContext(const ThreadContext32& ctx) = 0; @@ -162,6 +169,9 @@ public: std::string name; }; + static std::vector<BacktraceEntry> GetBacktraceFromContext(System& system, + const ThreadContext64& ctx); + std::vector<BacktraceEntry> GetBacktrace() const; /// fp (= r29) points to the last frame record. @@ -175,6 +185,8 @@ public: protected: /// System context that this ARM interface is running under. System& system; + CPUInterrupts& interrupt_handlers; + bool uses_wall_clock; }; } // namespace Core diff --git a/src/core/arm/cpu_interrupt_handler.cpp b/src/core/arm/cpu_interrupt_handler.cpp new file mode 100644 index 000000000..2f1a1a269 --- /dev/null +++ b/src/core/arm/cpu_interrupt_handler.cpp @@ -0,0 +1,29 @@ +// Copyright 2020 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include "common/thread.h" +#include "core/arm/cpu_interrupt_handler.h" + +namespace Core { + +CPUInterruptHandler::CPUInterruptHandler() : is_interrupted{} { + interrupt_event = std::make_unique<Common::Event>(); +} + +CPUInterruptHandler::~CPUInterruptHandler() = default; + +void CPUInterruptHandler::SetInterrupt(bool is_interrupted_) { + if (is_interrupted_) { + interrupt_event->Set(); + } + this->is_interrupted = is_interrupted_; +} + +void CPUInterruptHandler::AwaitInterrupt() { + interrupt_event->Wait(); +} + +} // namespace Core diff --git a/src/core/arm/cpu_interrupt_handler.h b/src/core/arm/cpu_interrupt_handler.h new file mode 100644 index 000000000..3d062d326 --- /dev/null +++ b/src/core/arm/cpu_interrupt_handler.h @@ -0,0 +1,39 @@ +// Copyright 2020 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <memory> + +namespace Common { +class Event; +} + +namespace Core { + +class CPUInterruptHandler { +public: + CPUInterruptHandler(); + ~CPUInterruptHandler(); + + CPUInterruptHandler(const CPUInterruptHandler&) = delete; + CPUInterruptHandler& operator=(const CPUInterruptHandler&) = delete; + + CPUInterruptHandler(CPUInterruptHandler&&) = default; + CPUInterruptHandler& operator=(CPUInterruptHandler&&) = default; + + bool IsInterrupted() const { + return is_interrupted; + } + + void SetInterrupt(bool is_interrupted); + + void AwaitInterrupt(); + +private: + bool is_interrupted{}; + std::unique_ptr<Common::Event> interrupt_event; +}; + +} // namespace Core diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.cpp b/src/core/arm/dynarmic/arm_dynarmic_32.cpp index 4c8663d03..0d4ab95b7 100644 --- a/src/core/arm/dynarmic/arm_dynarmic_32.cpp +++ b/src/core/arm/dynarmic/arm_dynarmic_32.cpp @@ -7,15 +7,17 @@ #include <dynarmic/A32/a32.h> #include <dynarmic/A32/config.h> #include <dynarmic/A32/context.h> -#include "common/microprofile.h" +#include "common/logging/log.h" +#include "common/page_table.h" +#include "core/arm/cpu_interrupt_handler.h" #include "core/arm/dynarmic/arm_dynarmic_32.h" -#include "core/arm/dynarmic/arm_dynarmic_64.h" #include "core/arm/dynarmic/arm_dynarmic_cp15.h" +#include "core/arm/dynarmic/arm_exclusive_monitor.h" #include "core/core.h" -#include "core/core_manager.h" #include "core/core_timing.h" #include "core/hle/kernel/svc.h" #include "core/memory.h" +#include "core/settings.h" namespace Core { @@ -49,6 +51,19 @@ public: parent.system.Memory().Write64(vaddr, value); } + bool MemoryWriteExclusive8(u32 vaddr, u8 value, u8 expected) override { + return parent.system.Memory().WriteExclusive8(vaddr, value, expected); + } + bool MemoryWriteExclusive16(u32 vaddr, u16 value, u16 expected) override { + return parent.system.Memory().WriteExclusive16(vaddr, value, expected); + } + bool MemoryWriteExclusive32(u32 vaddr, u32 value, u32 expected) override { + return parent.system.Memory().WriteExclusive32(vaddr, value, expected); + } + bool MemoryWriteExclusive64(u32 vaddr, u64 value, u64 expected) override { + return parent.system.Memory().WriteExclusive64(vaddr, value, expected); + } + void InterpreterFallback(u32 pc, std::size_t num_instructions) override { UNIMPLEMENTED_MSG("This should never happen, pc = {:08X}, code = {:08X}", pc, MemoryReadCode(pc)); @@ -72,24 +87,36 @@ public: } void AddTicks(u64 ticks) override { + if (parent.uses_wall_clock) { + return; + } // Divide the number of ticks by the amount of CPU cores. TODO(Subv): This yields only a // rough approximation of the amount of executed ticks in the system, it may be thrown off // if not all cores are doing a similar amount of work. Instead of doing this, we should // device a way so that timing is consistent across all cores without increasing the ticks 4 // times. - u64 amortized_ticks = (ticks - num_interpreted_instructions) / Core::NUM_CPU_CORES; + u64 amortized_ticks = + (ticks - num_interpreted_instructions) / Core::Hardware::NUM_CPU_CORES; // Always execute at least one tick. amortized_ticks = std::max<u64>(amortized_ticks, 1); parent.system.CoreTiming().AddTicks(amortized_ticks); num_interpreted_instructions = 0; } + u64 GetTicksRemaining() override { - return std::max(parent.system.CoreTiming().GetDowncount(), {}); + if (parent.uses_wall_clock) { + if (!parent.interrupt_handlers[parent.core_index].IsInterrupted()) { + return minimum_run_cycles; + } + return 0U; + } + return std::max<s64>(parent.system.CoreTiming().GetDowncount(), 0); } ARM_Dynarmic_32& parent; std::size_t num_interpreted_instructions{}; + static constexpr u64 minimum_run_cycles = 1000U; }; std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable& page_table, @@ -100,13 +127,31 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable& // config.page_table = &page_table.pointers; config.coprocessors[15] = cp15; config.define_unpredictable_behaviour = true; + static constexpr std::size_t PAGE_BITS = 12; + static constexpr std::size_t NUM_PAGE_TABLE_ENTRIES = 1 << (32 - PAGE_BITS); + config.page_table = reinterpret_cast<std::array<std::uint8_t*, NUM_PAGE_TABLE_ENTRIES>*>( + page_table.pointers.data()); + config.absolute_offset_page_table = true; + config.detect_misaligned_access_via_page_table = 16 | 32 | 64 | 128; + config.only_detect_misalignment_via_page_table_on_page_boundary = true; + + // Multi-process state + config.processor_id = core_index; + config.global_monitor = &exclusive_monitor.monitor; + + // Timing + config.wall_clock_cntpct = uses_wall_clock; + + // Optimizations + if (Settings::values.disable_cpu_opt) { + config.enable_optimizations = false; + config.enable_fast_dispatch = false; + } + return std::make_unique<Dynarmic::A32::Jit>(config); } -MICROPROFILE_DEFINE(ARM_Jit_Dynarmic_32, "ARM JIT", "Dynarmic", MP_RGB(255, 64, 64)); - void ARM_Dynarmic_32::Run() { - MICROPROFILE_SCOPE(ARM_Jit_Dynarmic_32); jit->Run(); } @@ -114,9 +159,11 @@ void ARM_Dynarmic_32::Step() { jit->Step(); } -ARM_Dynarmic_32::ARM_Dynarmic_32(System& system, ExclusiveMonitor& exclusive_monitor, +ARM_Dynarmic_32::ARM_Dynarmic_32(System& system, CPUInterrupts& interrupt_handlers, + bool uses_wall_clock, ExclusiveMonitor& exclusive_monitor, std::size_t core_index) - : ARM_Interface{system}, cb(std::make_unique<DynarmicCallbacks32>(*this)), + : ARM_Interface{system, interrupt_handlers, uses_wall_clock}, + cb(std::make_unique<DynarmicCallbacks32>(*this)), cp15(std::make_shared<DynarmicCP15>(*this)), core_index{core_index}, exclusive_monitor{dynamic_cast<DynarmicExclusiveMonitor&>(exclusive_monitor)} {} @@ -168,17 +215,25 @@ void ARM_Dynarmic_32::SetTPIDR_EL0(u64 value) { cp15->uprw = static_cast<u32>(value); } +void ARM_Dynarmic_32::ChangeProcessorID(std::size_t new_core_id) { + jit->ChangeProcessorID(new_core_id); +} + void ARM_Dynarmic_32::SaveContext(ThreadContext32& ctx) { Dynarmic::A32::Context context; jit->SaveContext(context); ctx.cpu_registers = context.Regs(); + ctx.extension_registers = context.ExtRegs(); ctx.cpsr = context.Cpsr(); + ctx.fpscr = context.Fpscr(); } void ARM_Dynarmic_32::LoadContext(const ThreadContext32& ctx) { Dynarmic::A32::Context context; context.Regs() = ctx.cpu_registers; + context.ExtRegs() = ctx.extension_registers; context.SetCpsr(ctx.cpsr); + context.SetFpscr(ctx.fpscr); jit->LoadContext(context); } @@ -187,10 +242,15 @@ void ARM_Dynarmic_32::PrepareReschedule() { } void ARM_Dynarmic_32::ClearInstructionCache() { + if (!jit) { + return; + } jit->ClearCache(); } -void ARM_Dynarmic_32::ClearExclusiveState() {} +void ARM_Dynarmic_32::ClearExclusiveState() { + jit->ClearExclusiveState(); +} void ARM_Dynarmic_32::PageTableChanged(Common::PageTable& page_table, std::size_t new_address_space_size_in_bits) { diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.h b/src/core/arm/dynarmic/arm_dynarmic_32.h index e5b92d7bb..2bab31b92 100644 --- a/src/core/arm/dynarmic/arm_dynarmic_32.h +++ b/src/core/arm/dynarmic/arm_dynarmic_32.h @@ -9,7 +9,7 @@ #include <dynarmic/A32/a32.h> #include <dynarmic/A64/a64.h> -#include <dynarmic/A64/exclusive_monitor.h> +#include <dynarmic/exclusive_monitor.h> #include "common/common_types.h" #include "common/hash.h" #include "core/arm/arm_interface.h" @@ -21,6 +21,7 @@ class Memory; namespace Core { +class CPUInterruptHandler; class DynarmicCallbacks32; class DynarmicCP15; class DynarmicExclusiveMonitor; @@ -28,7 +29,8 @@ class System; class ARM_Dynarmic_32 final : public ARM_Interface { public: - ARM_Dynarmic_32(System& system, ExclusiveMonitor& exclusive_monitor, std::size_t core_index); + ARM_Dynarmic_32(System& system, CPUInterrupts& interrupt_handlers, bool uses_wall_clock, + ExclusiveMonitor& exclusive_monitor, std::size_t core_index); ~ARM_Dynarmic_32() override; void SetPC(u64 pc) override; @@ -45,6 +47,7 @@ public: void SetTlsAddress(VAddr address) override; void SetTPIDR_EL0(u64 value) override; u64 GetTPIDR_EL0() const override; + void ChangeProcessorID(std::size_t new_core_id) override; void SaveContext(ThreadContext32& ctx) override; void SaveContext(ThreadContext64& ctx) override {} diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.cpp b/src/core/arm/dynarmic/arm_dynarmic_64.cpp index 5f5e36d94..790981034 100644 --- a/src/core/arm/dynarmic/arm_dynarmic_64.cpp +++ b/src/core/arm/dynarmic/arm_dynarmic_64.cpp @@ -7,11 +7,11 @@ #include <dynarmic/A64/a64.h> #include <dynarmic/A64/config.h> #include "common/logging/log.h" -#include "common/microprofile.h" #include "common/page_table.h" +#include "core/arm/cpu_interrupt_handler.h" #include "core/arm/dynarmic/arm_dynarmic_64.h" +#include "core/arm/dynarmic/arm_exclusive_monitor.h" #include "core/core.h" -#include "core/core_manager.h" #include "core/core_timing.h" #include "core/core_timing_util.h" #include "core/gdbstub/gdbstub.h" @@ -65,6 +65,22 @@ public: memory.Write64(vaddr + 8, value[1]); } + bool MemoryWriteExclusive8(u64 vaddr, std::uint8_t value, std::uint8_t expected) override { + return parent.system.Memory().WriteExclusive8(vaddr, value, expected); + } + bool MemoryWriteExclusive16(u64 vaddr, std::uint16_t value, std::uint16_t expected) override { + return parent.system.Memory().WriteExclusive16(vaddr, value, expected); + } + bool MemoryWriteExclusive32(u64 vaddr, std::uint32_t value, std::uint32_t expected) override { + return parent.system.Memory().WriteExclusive32(vaddr, value, expected); + } + bool MemoryWriteExclusive64(u64 vaddr, std::uint64_t value, std::uint64_t expected) override { + return parent.system.Memory().WriteExclusive64(vaddr, value, expected); + } + bool MemoryWriteExclusive128(u64 vaddr, Vector value, Vector expected) override { + return parent.system.Memory().WriteExclusive128(vaddr, value, expected); + } + void InterpreterFallback(u64 pc, std::size_t num_instructions) override { LOG_INFO(Core_ARM, "Unicorn fallback @ 0x{:X} for {} instructions (instr = {:08X})", pc, num_instructions, MemoryReadCode(pc)); @@ -108,29 +124,42 @@ public: } void AddTicks(u64 ticks) override { + if (parent.uses_wall_clock) { + return; + } // Divide the number of ticks by the amount of CPU cores. TODO(Subv): This yields only a // rough approximation of the amount of executed ticks in the system, it may be thrown off // if not all cores are doing a similar amount of work. Instead of doing this, we should // device a way so that timing is consistent across all cores without increasing the ticks 4 // times. - u64 amortized_ticks = (ticks - num_interpreted_instructions) / Core::NUM_CPU_CORES; + u64 amortized_ticks = + (ticks - num_interpreted_instructions) / Core::Hardware::NUM_CPU_CORES; // Always execute at least one tick. amortized_ticks = std::max<u64>(amortized_ticks, 1); parent.system.CoreTiming().AddTicks(amortized_ticks); num_interpreted_instructions = 0; } + u64 GetTicksRemaining() override { - return std::max(parent.system.CoreTiming().GetDowncount(), s64{0}); + if (parent.uses_wall_clock) { + if (!parent.interrupt_handlers[parent.core_index].IsInterrupted()) { + return minimum_run_cycles; + } + return 0U; + } + return std::max<s64>(parent.system.CoreTiming().GetDowncount(), 0); } + u64 GetCNTPCT() override { - return Timing::CpuCyclesToClockCycles(parent.system.CoreTiming().GetTicks()); + return parent.system.CoreTiming().GetClockTicks(); } ARM_Dynarmic_64& parent; std::size_t num_interpreted_instructions = 0; u64 tpidrro_el0 = 0; u64 tpidr_el0 = 0; + static constexpr u64 minimum_run_cycles = 1000U; }; std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable& page_table, @@ -168,14 +197,13 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable& config.enable_fast_dispatch = false; } + // Timing + config.wall_clock_cntpct = uses_wall_clock; + return std::make_shared<Dynarmic::A64::Jit>(config); } -MICROPROFILE_DEFINE(ARM_Jit_Dynarmic_64, "ARM JIT", "Dynarmic", MP_RGB(255, 64, 64)); - void ARM_Dynarmic_64::Run() { - MICROPROFILE_SCOPE(ARM_Jit_Dynarmic_64); - jit->Run(); } @@ -183,11 +211,16 @@ void ARM_Dynarmic_64::Step() { cb->InterpreterFallback(jit->GetPC(), 1); } -ARM_Dynarmic_64::ARM_Dynarmic_64(System& system, ExclusiveMonitor& exclusive_monitor, +ARM_Dynarmic_64::ARM_Dynarmic_64(System& system, CPUInterrupts& interrupt_handlers, + bool uses_wall_clock, ExclusiveMonitor& exclusive_monitor, std::size_t core_index) - : ARM_Interface{system}, cb(std::make_unique<DynarmicCallbacks64>(*this)), - inner_unicorn{system, ARM_Unicorn::Arch::AArch64}, core_index{core_index}, - exclusive_monitor{dynamic_cast<DynarmicExclusiveMonitor&>(exclusive_monitor)} {} + : ARM_Interface{system, interrupt_handlers, uses_wall_clock}, + cb(std::make_unique<DynarmicCallbacks64>(*this)), inner_unicorn{system, interrupt_handlers, + uses_wall_clock, + ARM_Unicorn::Arch::AArch64, + core_index}, + core_index{core_index}, exclusive_monitor{ + dynamic_cast<DynarmicExclusiveMonitor&>(exclusive_monitor)} {} ARM_Dynarmic_64::~ARM_Dynarmic_64() = default; @@ -239,6 +272,10 @@ void ARM_Dynarmic_64::SetTPIDR_EL0(u64 value) { cb->tpidr_el0 = value; } +void ARM_Dynarmic_64::ChangeProcessorID(std::size_t new_core_id) { + jit->ChangeProcessorID(new_core_id); +} + void ARM_Dynarmic_64::SaveContext(ThreadContext64& ctx) { ctx.cpu_registers = jit->GetRegisters(); ctx.sp = jit->GetSP(); @@ -266,6 +303,9 @@ void ARM_Dynarmic_64::PrepareReschedule() { } void ARM_Dynarmic_64::ClearInstructionCache() { + if (!jit) { + return; + } jit->ClearCache(); } @@ -285,44 +325,4 @@ void ARM_Dynarmic_64::PageTableChanged(Common::PageTable& page_table, jit_cache.emplace(key, jit); } -DynarmicExclusiveMonitor::DynarmicExclusiveMonitor(Memory::Memory& memory, std::size_t core_count) - : monitor(core_count), memory{memory} {} - -DynarmicExclusiveMonitor::~DynarmicExclusiveMonitor() = default; - -void DynarmicExclusiveMonitor::SetExclusive(std::size_t core_index, VAddr addr) { - // Size doesn't actually matter. - monitor.Mark(core_index, addr, 16); -} - -void DynarmicExclusiveMonitor::ClearExclusive() { - monitor.Clear(); -} - -bool DynarmicExclusiveMonitor::ExclusiveWrite8(std::size_t core_index, VAddr vaddr, u8 value) { - return monitor.DoExclusiveOperation(core_index, vaddr, 1, [&] { memory.Write8(vaddr, value); }); -} - -bool DynarmicExclusiveMonitor::ExclusiveWrite16(std::size_t core_index, VAddr vaddr, u16 value) { - return monitor.DoExclusiveOperation(core_index, vaddr, 2, - [&] { memory.Write16(vaddr, value); }); -} - -bool DynarmicExclusiveMonitor::ExclusiveWrite32(std::size_t core_index, VAddr vaddr, u32 value) { - return monitor.DoExclusiveOperation(core_index, vaddr, 4, - [&] { memory.Write32(vaddr, value); }); -} - -bool DynarmicExclusiveMonitor::ExclusiveWrite64(std::size_t core_index, VAddr vaddr, u64 value) { - return monitor.DoExclusiveOperation(core_index, vaddr, 8, - [&] { memory.Write64(vaddr, value); }); -} - -bool DynarmicExclusiveMonitor::ExclusiveWrite128(std::size_t core_index, VAddr vaddr, u128 value) { - return monitor.DoExclusiveOperation(core_index, vaddr, 16, [&] { - memory.Write64(vaddr + 0, value[0]); - memory.Write64(vaddr + 8, value[1]); - }); -} - } // namespace Core diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.h b/src/core/arm/dynarmic/arm_dynarmic_64.h index 647cecaf0..403c55961 100644 --- a/src/core/arm/dynarmic/arm_dynarmic_64.h +++ b/src/core/arm/dynarmic/arm_dynarmic_64.h @@ -8,7 +8,6 @@ #include <unordered_map> #include <dynarmic/A64/a64.h> -#include <dynarmic/A64/exclusive_monitor.h> #include "common/common_types.h" #include "common/hash.h" #include "core/arm/arm_interface.h" @@ -22,12 +21,14 @@ class Memory; namespace Core { class DynarmicCallbacks64; +class CPUInterruptHandler; class DynarmicExclusiveMonitor; class System; class ARM_Dynarmic_64 final : public ARM_Interface { public: - ARM_Dynarmic_64(System& system, ExclusiveMonitor& exclusive_monitor, std::size_t core_index); + ARM_Dynarmic_64(System& system, CPUInterrupts& interrupt_handlers, bool uses_wall_clock, + ExclusiveMonitor& exclusive_monitor, std::size_t core_index); ~ARM_Dynarmic_64() override; void SetPC(u64 pc) override; @@ -44,6 +45,7 @@ public: void SetTlsAddress(VAddr address) override; void SetTPIDR_EL0(u64 value) override; u64 GetTPIDR_EL0() const override; + void ChangeProcessorID(std::size_t new_core_id) override; void SaveContext(ThreadContext32& ctx) override {} void SaveContext(ThreadContext64& ctx) override; @@ -75,24 +77,4 @@ private: DynarmicExclusiveMonitor& exclusive_monitor; }; -class DynarmicExclusiveMonitor final : public ExclusiveMonitor { -public: - explicit DynarmicExclusiveMonitor(Memory::Memory& memory, std::size_t core_count); - ~DynarmicExclusiveMonitor() override; - - void SetExclusive(std::size_t core_index, VAddr addr) override; - void ClearExclusive() override; - - bool ExclusiveWrite8(std::size_t core_index, VAddr vaddr, u8 value) override; - bool ExclusiveWrite16(std::size_t core_index, VAddr vaddr, u16 value) override; - bool ExclusiveWrite32(std::size_t core_index, VAddr vaddr, u32 value) override; - bool ExclusiveWrite64(std::size_t core_index, VAddr vaddr, u64 value) override; - bool ExclusiveWrite128(std::size_t core_index, VAddr vaddr, u128 value) override; - -private: - friend class ARM_Dynarmic_64; - Dynarmic::A64::ExclusiveMonitor monitor; - Core::Memory::Memory& memory; -}; - } // namespace Core diff --git a/src/core/arm/dynarmic/arm_dynarmic_cp15.cpp b/src/core/arm/dynarmic/arm_dynarmic_cp15.cpp index d43e4dd70..54556e0f9 100644 --- a/src/core/arm/dynarmic/arm_dynarmic_cp15.cpp +++ b/src/core/arm/dynarmic/arm_dynarmic_cp15.cpp @@ -97,7 +97,7 @@ CallbackOrAccessTwoWords DynarmicCP15::CompileGetTwoWords(bool two, unsigned opc const auto callback = static_cast<u64 (*)(Dynarmic::A32::Jit*, void*, u32, u32)>( [](Dynarmic::A32::Jit*, void* arg, u32, u32) -> u64 { ARM_Dynarmic_32& parent = *(ARM_Dynarmic_32*)arg; - return Timing::CpuCyclesToClockCycles(parent.system.CoreTiming().GetTicks()); + return parent.system.CoreTiming().GetClockTicks(); }); return Dynarmic::A32::Coprocessor::Callback{callback, (void*)&parent}; } diff --git a/src/core/arm/dynarmic/arm_exclusive_monitor.cpp b/src/core/arm/dynarmic/arm_exclusive_monitor.cpp new file mode 100644 index 000000000..4e209f6a5 --- /dev/null +++ b/src/core/arm/dynarmic/arm_exclusive_monitor.cpp @@ -0,0 +1,76 @@ +// Copyright 2018 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <cinttypes> +#include <memory> +#include "core/arm/dynarmic/arm_exclusive_monitor.h" +#include "core/memory.h" + +namespace Core { + +DynarmicExclusiveMonitor::DynarmicExclusiveMonitor(Memory::Memory& memory, std::size_t core_count) + : monitor(core_count), memory{memory} {} + +DynarmicExclusiveMonitor::~DynarmicExclusiveMonitor() = default; + +u8 DynarmicExclusiveMonitor::ExclusiveRead8(std::size_t core_index, VAddr addr) { + return monitor.ReadAndMark<u8>(core_index, addr, [&]() -> u8 { return memory.Read8(addr); }); +} + +u16 DynarmicExclusiveMonitor::ExclusiveRead16(std::size_t core_index, VAddr addr) { + return monitor.ReadAndMark<u16>(core_index, addr, [&]() -> u16 { return memory.Read16(addr); }); +} + +u32 DynarmicExclusiveMonitor::ExclusiveRead32(std::size_t core_index, VAddr addr) { + return monitor.ReadAndMark<u32>(core_index, addr, [&]() -> u32 { return memory.Read32(addr); }); +} + +u64 DynarmicExclusiveMonitor::ExclusiveRead64(std::size_t core_index, VAddr addr) { + return monitor.ReadAndMark<u64>(core_index, addr, [&]() -> u64 { return memory.Read64(addr); }); +} + +u128 DynarmicExclusiveMonitor::ExclusiveRead128(std::size_t core_index, VAddr addr) { + return monitor.ReadAndMark<u128>(core_index, addr, [&]() -> u128 { + u128 result; + result[0] = memory.Read64(addr); + result[1] = memory.Read64(addr + 8); + return result; + }); +} + +void DynarmicExclusiveMonitor::ClearExclusive() { + monitor.Clear(); +} + +bool DynarmicExclusiveMonitor::ExclusiveWrite8(std::size_t core_index, VAddr vaddr, u8 value) { + return monitor.DoExclusiveOperation<u8>(core_index, vaddr, [&](u8 expected) -> bool { + return memory.WriteExclusive8(vaddr, value, expected); + }); +} + +bool DynarmicExclusiveMonitor::ExclusiveWrite16(std::size_t core_index, VAddr vaddr, u16 value) { + return monitor.DoExclusiveOperation<u16>(core_index, vaddr, [&](u16 expected) -> bool { + return memory.WriteExclusive16(vaddr, value, expected); + }); +} + +bool DynarmicExclusiveMonitor::ExclusiveWrite32(std::size_t core_index, VAddr vaddr, u32 value) { + return monitor.DoExclusiveOperation<u32>(core_index, vaddr, [&](u32 expected) -> bool { + return memory.WriteExclusive32(vaddr, value, expected); + }); +} + +bool DynarmicExclusiveMonitor::ExclusiveWrite64(std::size_t core_index, VAddr vaddr, u64 value) { + return monitor.DoExclusiveOperation<u64>(core_index, vaddr, [&](u64 expected) -> bool { + return memory.WriteExclusive64(vaddr, value, expected); + }); +} + +bool DynarmicExclusiveMonitor::ExclusiveWrite128(std::size_t core_index, VAddr vaddr, u128 value) { + return monitor.DoExclusiveOperation<u128>(core_index, vaddr, [&](u128 expected) -> bool { + return memory.WriteExclusive128(vaddr, value, expected); + }); +} + +} // namespace Core diff --git a/src/core/arm/dynarmic/arm_exclusive_monitor.h b/src/core/arm/dynarmic/arm_exclusive_monitor.h new file mode 100644 index 000000000..964f4a55d --- /dev/null +++ b/src/core/arm/dynarmic/arm_exclusive_monitor.h @@ -0,0 +1,48 @@ +// Copyright 2020 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <memory> +#include <unordered_map> + +#include <dynarmic/exclusive_monitor.h> + +#include "common/common_types.h" +#include "core/arm/dynarmic/arm_dynarmic_32.h" +#include "core/arm/dynarmic/arm_dynarmic_64.h" +#include "core/arm/exclusive_monitor.h" + +namespace Core::Memory { +class Memory; +} + +namespace Core { + +class DynarmicExclusiveMonitor final : public ExclusiveMonitor { +public: + explicit DynarmicExclusiveMonitor(Memory::Memory& memory, std::size_t core_count); + ~DynarmicExclusiveMonitor() override; + + u8 ExclusiveRead8(std::size_t core_index, VAddr addr) override; + u16 ExclusiveRead16(std::size_t core_index, VAddr addr) override; + u32 ExclusiveRead32(std::size_t core_index, VAddr addr) override; + u64 ExclusiveRead64(std::size_t core_index, VAddr addr) override; + u128 ExclusiveRead128(std::size_t core_index, VAddr addr) override; + void ClearExclusive() override; + + bool ExclusiveWrite8(std::size_t core_index, VAddr vaddr, u8 value) override; + bool ExclusiveWrite16(std::size_t core_index, VAddr vaddr, u16 value) override; + bool ExclusiveWrite32(std::size_t core_index, VAddr vaddr, u32 value) override; + bool ExclusiveWrite64(std::size_t core_index, VAddr vaddr, u64 value) override; + bool ExclusiveWrite128(std::size_t core_index, VAddr vaddr, u128 value) override; + +private: + friend class ARM_Dynarmic_32; + friend class ARM_Dynarmic_64; + Dynarmic::ExclusiveMonitor monitor; + Core::Memory::Memory& memory; +}; + +} // namespace Core diff --git a/src/core/arm/exclusive_monitor.cpp b/src/core/arm/exclusive_monitor.cpp index b32401e0b..d8cba369d 100644 --- a/src/core/arm/exclusive_monitor.cpp +++ b/src/core/arm/exclusive_monitor.cpp @@ -3,7 +3,7 @@ // Refer to the license.txt file included. #ifdef ARCHITECTURE_x86_64 -#include "core/arm/dynarmic/arm_dynarmic_64.h" +#include "core/arm/dynarmic/arm_exclusive_monitor.h" #endif #include "core/arm/exclusive_monitor.h" #include "core/memory.h" diff --git a/src/core/arm/exclusive_monitor.h b/src/core/arm/exclusive_monitor.h index ccd73b80f..62f6e6023 100644 --- a/src/core/arm/exclusive_monitor.h +++ b/src/core/arm/exclusive_monitor.h @@ -18,7 +18,11 @@ class ExclusiveMonitor { public: virtual ~ExclusiveMonitor(); - virtual void SetExclusive(std::size_t core_index, VAddr addr) = 0; + virtual u8 ExclusiveRead8(std::size_t core_index, VAddr addr) = 0; + virtual u16 ExclusiveRead16(std::size_t core_index, VAddr addr) = 0; + virtual u32 ExclusiveRead32(std::size_t core_index, VAddr addr) = 0; + virtual u64 ExclusiveRead64(std::size_t core_index, VAddr addr) = 0; + virtual u128 ExclusiveRead128(std::size_t core_index, VAddr addr) = 0; virtual void ClearExclusive() = 0; virtual bool ExclusiveWrite8(std::size_t core_index, VAddr vaddr, u8 value) = 0; diff --git a/src/core/arm/unicorn/arm_unicorn.cpp b/src/core/arm/unicorn/arm_unicorn.cpp index e40e9626a..1df3f3ed1 100644 --- a/src/core/arm/unicorn/arm_unicorn.cpp +++ b/src/core/arm/unicorn/arm_unicorn.cpp @@ -6,6 +6,7 @@ #include <unicorn/arm64.h> #include "common/assert.h" #include "common/microprofile.h" +#include "core/arm/cpu_interrupt_handler.h" #include "core/arm/unicorn/arm_unicorn.h" #include "core/core.h" #include "core/core_timing.h" @@ -62,7 +63,9 @@ static bool UnmappedMemoryHook(uc_engine* uc, uc_mem_type type, u64 addr, int si return false; } -ARM_Unicorn::ARM_Unicorn(System& system, Arch architecture) : ARM_Interface{system} { +ARM_Unicorn::ARM_Unicorn(System& system, CPUInterrupts& interrupt_handlers, bool uses_wall_clock, + Arch architecture, std::size_t core_index) + : ARM_Interface{system, interrupt_handlers, uses_wall_clock}, core_index{core_index} { const auto arch = architecture == Arch::AArch32 ? UC_ARCH_ARM : UC_ARCH_ARM64; CHECKED(uc_open(arch, UC_MODE_ARM, &uc)); @@ -156,12 +159,20 @@ void ARM_Unicorn::SetTPIDR_EL0(u64 value) { CHECKED(uc_reg_write(uc, UC_ARM64_REG_TPIDR_EL0, &value)); } +void ARM_Unicorn::ChangeProcessorID(std::size_t new_core_id) { + core_index = new_core_id; +} + void ARM_Unicorn::Run() { if (GDBStub::IsServerEnabled()) { ExecuteInstructions(std::max(4000000U, 0U)); } else { - ExecuteInstructions( - std::max(std::size_t(system.CoreTiming().GetDowncount()), std::size_t{0})); + while (true) { + if (interrupt_handlers[core_index].IsInterrupted()) { + return; + } + ExecuteInstructions(10); + } } } @@ -183,8 +194,6 @@ void ARM_Unicorn::ExecuteInstructions(std::size_t num_instructions) { UC_PROT_READ | UC_PROT_WRITE | UC_PROT_EXEC, page_buffer.data())); CHECKED(uc_emu_start(uc, GetPC(), 1ULL << 63, 0, num_instructions)); CHECKED(uc_mem_unmap(uc, map_addr, page_buffer.size())); - - system.CoreTiming().AddTicks(num_instructions); if (GDBStub::IsServerEnabled()) { if (last_bkpt_hit && last_bkpt.type == GDBStub::BreakpointType::Execute) { uc_reg_write(uc, UC_ARM64_REG_PC, &last_bkpt.address); diff --git a/src/core/arm/unicorn/arm_unicorn.h b/src/core/arm/unicorn/arm_unicorn.h index 725c65085..810aff311 100644 --- a/src/core/arm/unicorn/arm_unicorn.h +++ b/src/core/arm/unicorn/arm_unicorn.h @@ -20,7 +20,8 @@ public: AArch64, // 64-bit ARM }; - explicit ARM_Unicorn(System& system, Arch architecture); + explicit ARM_Unicorn(System& system, CPUInterrupts& interrupt_handlers, bool uses_wall_clock, + Arch architecture, std::size_t core_index); ~ARM_Unicorn() override; void SetPC(u64 pc) override; @@ -35,6 +36,7 @@ public: void SetTlsAddress(VAddr address) override; void SetTPIDR_EL0(u64 value) override; u64 GetTPIDR_EL0() const override; + void ChangeProcessorID(std::size_t new_core_id) override; void PrepareReschedule() override; void ClearExclusiveState() override; void ExecuteInstructions(std::size_t num_instructions); @@ -55,6 +57,7 @@ private: uc_engine* uc{}; GDBStub::BreakpointAddress last_bkpt{}; bool last_bkpt_hit = false; + std::size_t core_index; }; } // namespace Core diff --git a/src/core/core.cpp b/src/core/core.cpp index f9f8a3000..1a243c515 100644 --- a/src/core/core.cpp +++ b/src/core/core.cpp @@ -8,10 +8,10 @@ #include "common/file_util.h" #include "common/logging/log.h" +#include "common/microprofile.h" #include "common/string_util.h" #include "core/arm/exclusive_monitor.h" #include "core/core.h" -#include "core/core_manager.h" #include "core/core_timing.h" #include "core/cpu_manager.h" #include "core/device_memory.h" @@ -51,6 +51,11 @@ #include "video_core/renderer_base.h" #include "video_core/video_core.h" +MICROPROFILE_DEFINE(ARM_Jit_Dynarmic_CPU0, "ARM JIT", "Dynarmic CPU 0", MP_RGB(255, 64, 64)); +MICROPROFILE_DEFINE(ARM_Jit_Dynarmic_CPU1, "ARM JIT", "Dynarmic CPU 1", MP_RGB(255, 64, 64)); +MICROPROFILE_DEFINE(ARM_Jit_Dynarmic_CPU2, "ARM JIT", "Dynarmic CPU 2", MP_RGB(255, 64, 64)); +MICROPROFILE_DEFINE(ARM_Jit_Dynarmic_CPU3, "ARM JIT", "Dynarmic CPU 3", MP_RGB(255, 64, 64)); + namespace Core { namespace { @@ -117,23 +122,22 @@ struct System::Impl { : kernel{system}, fs_controller{system}, memory{system}, cpu_manager{system}, reporter{system}, applet_manager{system} {} - CoreManager& CurrentCoreManager() { - return cpu_manager.GetCurrentCoreManager(); - } + ResultStatus Run() { + status = ResultStatus::Success; - Kernel::PhysicalCore& CurrentPhysicalCore() { - const auto index = cpu_manager.GetActiveCoreIndex(); - return kernel.PhysicalCore(index); - } + kernel.Suspend(false); + core_timing.SyncPause(false); + cpu_manager.Pause(false); - Kernel::PhysicalCore& GetPhysicalCore(std::size_t index) { - return kernel.PhysicalCore(index); + return status; } - ResultStatus RunLoop(bool tight_loop) { + ResultStatus Pause() { status = ResultStatus::Success; - cpu_manager.RunLoop(tight_loop); + core_timing.SyncPause(true); + kernel.Suspend(true); + cpu_manager.Pause(true); return status; } @@ -143,7 +147,15 @@ struct System::Impl { device_memory = std::make_unique<Core::DeviceMemory>(system); - core_timing.Initialize(); + is_multicore = Settings::values.use_multi_core; + is_async_gpu = is_multicore || Settings::values.use_asynchronous_gpu_emulation; + + kernel.SetMulticore(is_multicore); + cpu_manager.SetMulticore(is_multicore); + cpu_manager.SetAsyncGpu(is_async_gpu); + core_timing.SetMulticore(is_multicore); + + core_timing.Initialize([&system]() { system.RegisterHostThread(); }); kernel.Initialize(); cpu_manager.Initialize(); @@ -180,6 +192,11 @@ struct System::Impl { is_powered_on = true; exit_lock = false; + microprofile_dynarmic[0] = MICROPROFILE_TOKEN(ARM_Jit_Dynarmic_CPU0); + microprofile_dynarmic[1] = MICROPROFILE_TOKEN(ARM_Jit_Dynarmic_CPU1); + microprofile_dynarmic[2] = MICROPROFILE_TOKEN(ARM_Jit_Dynarmic_CPU2); + microprofile_dynarmic[3] = MICROPROFILE_TOKEN(ARM_Jit_Dynarmic_CPU3); + LOG_DEBUG(Core, "Initialized OK"); return ResultStatus::Success; @@ -277,8 +294,6 @@ struct System::Impl { service_manager.reset(); cheat_engine.reset(); telemetry_session.reset(); - perf_stats.reset(); - gpu_core.reset(); device_memory.reset(); // Close all CPU/threading state @@ -290,6 +305,8 @@ struct System::Impl { // Close app loader app_loader.reset(); + gpu_core.reset(); + perf_stats.reset(); // Clear all applets applet_manager.ClearAll(); @@ -382,25 +399,35 @@ struct System::Impl { std::unique_ptr<Core::PerfStats> perf_stats; Core::FrameLimiter frame_limiter; + + bool is_multicore{}; + bool is_async_gpu{}; + + std::array<u64, Core::Hardware::NUM_CPU_CORES> dynarmic_ticks{}; + std::array<MicroProfileToken, Core::Hardware::NUM_CPU_CORES> microprofile_dynarmic{}; }; System::System() : impl{std::make_unique<Impl>(*this)} {} System::~System() = default; -CoreManager& System::CurrentCoreManager() { - return impl->CurrentCoreManager(); +CpuManager& System::GetCpuManager() { + return impl->cpu_manager; +} + +const CpuManager& System::GetCpuManager() const { + return impl->cpu_manager; } -const CoreManager& System::CurrentCoreManager() const { - return impl->CurrentCoreManager(); +System::ResultStatus System::Run() { + return impl->Run(); } -System::ResultStatus System::RunLoop(bool tight_loop) { - return impl->RunLoop(tight_loop); +System::ResultStatus System::Pause() { + return impl->Pause(); } System::ResultStatus System::SingleStep() { - return RunLoop(false); + return ResultStatus::Success; } void System::InvalidateCpuInstructionCaches() { @@ -416,7 +443,7 @@ bool System::IsPoweredOn() const { } void System::PrepareReschedule() { - impl->CurrentPhysicalCore().Stop(); + // Deprecated, does nothing, kept for backward compatibility. } void System::PrepareReschedule(const u32 core_index) { @@ -436,31 +463,41 @@ const TelemetrySession& System::TelemetrySession() const { } ARM_Interface& System::CurrentArmInterface() { - return impl->CurrentPhysicalCore().ArmInterface(); + return impl->kernel.CurrentScheduler().GetCurrentThread()->ArmInterface(); } const ARM_Interface& System::CurrentArmInterface() const { - return impl->CurrentPhysicalCore().ArmInterface(); + return impl->kernel.CurrentScheduler().GetCurrentThread()->ArmInterface(); } std::size_t System::CurrentCoreIndex() const { - return impl->cpu_manager.GetActiveCoreIndex(); + std::size_t core = impl->kernel.GetCurrentHostThreadID(); + ASSERT(core < Core::Hardware::NUM_CPU_CORES); + return core; } Kernel::Scheduler& System::CurrentScheduler() { - return impl->CurrentPhysicalCore().Scheduler(); + return impl->kernel.CurrentScheduler(); } const Kernel::Scheduler& System::CurrentScheduler() const { - return impl->CurrentPhysicalCore().Scheduler(); + return impl->kernel.CurrentScheduler(); +} + +Kernel::PhysicalCore& System::CurrentPhysicalCore() { + return impl->kernel.CurrentPhysicalCore(); +} + +const Kernel::PhysicalCore& System::CurrentPhysicalCore() const { + return impl->kernel.CurrentPhysicalCore(); } Kernel::Scheduler& System::Scheduler(std::size_t core_index) { - return impl->GetPhysicalCore(core_index).Scheduler(); + return impl->kernel.Scheduler(core_index); } const Kernel::Scheduler& System::Scheduler(std::size_t core_index) const { - return impl->GetPhysicalCore(core_index).Scheduler(); + return impl->kernel.Scheduler(core_index); } /// Gets the global scheduler @@ -490,20 +527,15 @@ const Kernel::Process* System::CurrentProcess() const { } ARM_Interface& System::ArmInterface(std::size_t core_index) { - return impl->GetPhysicalCore(core_index).ArmInterface(); + auto* thread = impl->kernel.Scheduler(core_index).GetCurrentThread(); + ASSERT(thread && !thread->IsHLEThread()); + return thread->ArmInterface(); } const ARM_Interface& System::ArmInterface(std::size_t core_index) const { - return impl->GetPhysicalCore(core_index).ArmInterface(); -} - -CoreManager& System::GetCoreManager(std::size_t core_index) { - return impl->cpu_manager.GetCoreManager(core_index); -} - -const CoreManager& System::GetCoreManager(std::size_t core_index) const { - ASSERT(core_index < NUM_CPU_CORES); - return impl->cpu_manager.GetCoreManager(core_index); + auto* thread = impl->kernel.Scheduler(core_index).GetCurrentThread(); + ASSERT(thread && !thread->IsHLEThread()); + return thread->ArmInterface(); } ExclusiveMonitor& System::Monitor() { @@ -722,4 +754,18 @@ void System::RegisterHostThread() { impl->kernel.RegisterHostThread(); } +void System::EnterDynarmicProfile() { + std::size_t core = impl->kernel.GetCurrentHostThreadID(); + impl->dynarmic_ticks[core] = MicroProfileEnter(impl->microprofile_dynarmic[core]); +} + +void System::ExitDynarmicProfile() { + std::size_t core = impl->kernel.GetCurrentHostThreadID(); + MicroProfileLeave(impl->microprofile_dynarmic[core], impl->dynarmic_ticks[core]); +} + +bool System::IsMulticore() const { + return impl->is_multicore; +} + } // namespace Core diff --git a/src/core/core.h b/src/core/core.h index acc53d6a1..5c6cfbffe 100644 --- a/src/core/core.h +++ b/src/core/core.h @@ -27,6 +27,7 @@ class VfsFilesystem; namespace Kernel { class GlobalScheduler; class KernelCore; +class PhysicalCore; class Process; class Scheduler; } // namespace Kernel @@ -90,7 +91,7 @@ class InterruptManager; namespace Core { class ARM_Interface; -class CoreManager; +class CpuManager; class DeviceMemory; class ExclusiveMonitor; class FrameLimiter; @@ -136,16 +137,16 @@ public: }; /** - * Run the core CPU loop - * This function runs the core for the specified number of CPU instructions before trying to - * update hardware. This is much faster than SingleStep (and should be equivalent), as the CPU - * is not required to do a full dispatch with each instruction. NOTE: the number of instructions - * requested is not guaranteed to run, as this will be interrupted preemptively if a hardware - * update is requested (e.g. on a thread switch). - * @param tight_loop If false, the CPU single-steps. - * @return Result status, indicating whether or not the operation succeeded. + * Run the OS and Application + * This function will start emulation and run the relevant devices + */ + ResultStatus Run(); + + /** + * Pause the OS and Application + * This function will pause emulation and stop the relevant devices */ - ResultStatus RunLoop(bool tight_loop = true); + ResultStatus Pause(); /** * Step the CPU one instruction @@ -209,17 +210,21 @@ public: /// Gets the scheduler for the CPU core that is currently running const Kernel::Scheduler& CurrentScheduler() const; + /// Gets the physical core for the CPU core that is currently running + Kernel::PhysicalCore& CurrentPhysicalCore(); + + /// Gets the physical core for the CPU core that is currently running + const Kernel::PhysicalCore& CurrentPhysicalCore() const; + /// Gets a reference to an ARM interface for the CPU core with the specified index ARM_Interface& ArmInterface(std::size_t core_index); /// Gets a const reference to an ARM interface from the CPU core with the specified index const ARM_Interface& ArmInterface(std::size_t core_index) const; - /// Gets a CPU interface to the CPU core with the specified index - CoreManager& GetCoreManager(std::size_t core_index); + CpuManager& GetCpuManager(); - /// Gets a CPU interface to the CPU core with the specified index - const CoreManager& GetCoreManager(std::size_t core_index) const; + const CpuManager& GetCpuManager() const; /// Gets a reference to the exclusive monitor ExclusiveMonitor& Monitor(); @@ -370,14 +375,17 @@ public: /// Register a host thread as an auxiliary thread. void RegisterHostThread(); -private: - System(); + /// Enter Dynarmic Microprofile + void EnterDynarmicProfile(); + + /// Exit Dynarmic Microprofile + void ExitDynarmicProfile(); - /// Returns the currently running CPU core - CoreManager& CurrentCoreManager(); + /// Tells if system is running on multicore. + bool IsMulticore() const; - /// Returns the currently running CPU core - const CoreManager& CurrentCoreManager() const; +private: + System(); /** * Initialize the emulated system. diff --git a/src/core/core_manager.cpp b/src/core/core_manager.cpp deleted file mode 100644 index b6b797c80..000000000 --- a/src/core/core_manager.cpp +++ /dev/null @@ -1,67 +0,0 @@ -// Copyright 2018 yuzu emulator team -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include <condition_variable> -#include <mutex> - -#include "common/logging/log.h" -#include "core/arm/exclusive_monitor.h" -#include "core/arm/unicorn/arm_unicorn.h" -#include "core/core.h" -#include "core/core_manager.h" -#include "core/core_timing.h" -#include "core/hle/kernel/kernel.h" -#include "core/hle/kernel/physical_core.h" -#include "core/hle/kernel/scheduler.h" -#include "core/hle/kernel/thread.h" -#include "core/hle/lock.h" -#include "core/settings.h" - -namespace Core { - -CoreManager::CoreManager(System& system, std::size_t core_index) - : global_scheduler{system.GlobalScheduler()}, physical_core{system.Kernel().PhysicalCore( - core_index)}, - core_timing{system.CoreTiming()}, core_index{core_index} {} - -CoreManager::~CoreManager() = default; - -void CoreManager::RunLoop(bool tight_loop) { - Reschedule(); - - // If we don't have a currently active thread then don't execute instructions, - // instead advance to the next event and try to yield to the next thread - if (Kernel::GetCurrentThread() == nullptr) { - LOG_TRACE(Core, "Core-{} idling", core_index); - core_timing.Idle(); - } else { - if (tight_loop) { - physical_core.Run(); - } else { - physical_core.Step(); - } - } - core_timing.Advance(); - - Reschedule(); -} - -void CoreManager::SingleStep() { - return RunLoop(false); -} - -void CoreManager::PrepareReschedule() { - physical_core.Stop(); -} - -void CoreManager::Reschedule() { - // Lock the global kernel mutex when we manipulate the HLE state - std::lock_guard lock(HLE::g_hle_lock); - - global_scheduler.SelectThread(core_index); - - physical_core.Scheduler().TryDoContextSwitch(); -} - -} // namespace Core diff --git a/src/core/core_manager.h b/src/core/core_manager.h deleted file mode 100644 index d525de00a..000000000 --- a/src/core/core_manager.h +++ /dev/null @@ -1,63 +0,0 @@ -// Copyright 2018 yuzu emulator team -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -#include <atomic> -#include <cstddef> -#include <memory> -#include "common/common_types.h" - -namespace Kernel { -class GlobalScheduler; -class PhysicalCore; -} // namespace Kernel - -namespace Core { -class System; -} - -namespace Core::Timing { -class CoreTiming; -} - -namespace Core::Memory { -class Memory; -} - -namespace Core { - -constexpr unsigned NUM_CPU_CORES{4}; - -class CoreManager { -public: - CoreManager(System& system, std::size_t core_index); - ~CoreManager(); - - void RunLoop(bool tight_loop = true); - - void SingleStep(); - - void PrepareReschedule(); - - bool IsMainCore() const { - return core_index == 0; - } - - std::size_t CoreIndex() const { - return core_index; - } - -private: - void Reschedule(); - - Kernel::GlobalScheduler& global_scheduler; - Kernel::PhysicalCore& physical_core; - Timing::CoreTiming& core_timing; - - std::atomic<bool> reschedule_pending = false; - std::size_t core_index; -}; - -} // namespace Core diff --git a/src/core/core_timing.cpp b/src/core/core_timing.cpp index 46d4178c4..5c83c41a4 100644 --- a/src/core/core_timing.cpp +++ b/src/core/core_timing.cpp @@ -1,29 +1,27 @@ -// Copyright 2008 Dolphin Emulator Project / 2017 Citra Emulator Project -// Licensed under GPLv2+ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version // Refer to the license.txt file included. -#include "core/core_timing.h" - #include <algorithm> #include <mutex> #include <string> #include <tuple> #include "common/assert.h" -#include "common/thread.h" +#include "common/microprofile.h" +#include "core/core_timing.h" #include "core/core_timing_util.h" -#include "core/hardware_properties.h" namespace Core::Timing { -constexpr int MAX_SLICE_LENGTH = 10000; +constexpr u64 MAX_SLICE_LENGTH = 4000; std::shared_ptr<EventType> CreateEvent(std::string name, TimedCallback&& callback) { return std::make_shared<EventType>(std::move(callback), std::move(name)); } struct CoreTiming::Event { - s64 time; + u64 time; u64 fifo_order; u64 userdata; std::weak_ptr<EventType> type; @@ -39,51 +37,90 @@ struct CoreTiming::Event { } }; -CoreTiming::CoreTiming() = default; -CoreTiming::~CoreTiming() = default; +CoreTiming::CoreTiming() { + clock = + Common::CreateBestMatchingClock(Core::Hardware::BASE_CLOCK_RATE, Core::Hardware::CNTFREQ); +} -void CoreTiming::Initialize() { - downcounts.fill(MAX_SLICE_LENGTH); - time_slice.fill(MAX_SLICE_LENGTH); - slice_length = MAX_SLICE_LENGTH; - global_timer = 0; - idled_cycles = 0; - current_context = 0; +CoreTiming::~CoreTiming() = default; - // The time between CoreTiming being initialized and the first call to Advance() is considered - // the slice boundary between slice -1 and slice 0. Dispatcher loops must call Advance() before - // executing the first cycle of each slice to prepare the slice length and downcount for - // that slice. - is_global_timer_sane = true; +void CoreTiming::ThreadEntry(CoreTiming& instance) { + constexpr char name[] = "yuzu:HostTiming"; + MicroProfileOnThreadCreate(name); + Common::SetCurrentThreadName(name); + Common::SetCurrentThreadPriority(Common::ThreadPriority::VeryHigh); + instance.on_thread_init(); + instance.ThreadLoop(); +} +void CoreTiming::Initialize(std::function<void(void)>&& on_thread_init_) { + on_thread_init = std::move(on_thread_init_); event_fifo_id = 0; - + shutting_down = false; + ticks = 0; const auto empty_timed_callback = [](u64, s64) {}; ev_lost = CreateEvent("_lost_event", empty_timed_callback); + if (is_multicore) { + timer_thread = std::make_unique<std::thread>(ThreadEntry, std::ref(*this)); + } } void CoreTiming::Shutdown() { + paused = true; + shutting_down = true; + pause_event.Set(); + event.Set(); + if (timer_thread) { + timer_thread->join(); + } ClearPendingEvents(); + timer_thread.reset(); + has_started = false; } -void CoreTiming::ScheduleEvent(s64 cycles_into_future, const std::shared_ptr<EventType>& event_type, - u64 userdata) { - std::lock_guard guard{inner_mutex}; - const s64 timeout = GetTicks() + cycles_into_future; +void CoreTiming::Pause(bool is_paused) { + paused = is_paused; + pause_event.Set(); +} - // If this event needs to be scheduled before the next advance(), force one early - if (!is_global_timer_sane) { - ForceExceptionCheck(cycles_into_future); +void CoreTiming::SyncPause(bool is_paused) { + if (is_paused == paused && paused_set == paused) { + return; + } + Pause(is_paused); + if (timer_thread) { + if (!is_paused) { + pause_event.Set(); + } + event.Set(); + while (paused_set != is_paused) + ; } +} - event_queue.emplace_back(Event{timeout, event_fifo_id++, userdata, event_type}); +bool CoreTiming::IsRunning() const { + return !paused_set; +} - std::push_heap(event_queue.begin(), event_queue.end(), std::greater<>()); +bool CoreTiming::HasPendingEvents() const { + return !(wait_set && event_queue.empty()); } -void CoreTiming::UnscheduleEvent(const std::shared_ptr<EventType>& event_type, u64 userdata) { - std::lock_guard guard{inner_mutex}; +void CoreTiming::ScheduleEvent(s64 ns_into_future, const std::shared_ptr<EventType>& event_type, + u64 userdata) { + { + std::scoped_lock scope{basic_lock}; + const u64 timeout = static_cast<u64>(GetGlobalTimeNs().count() + ns_into_future); + + event_queue.emplace_back(Event{timeout, event_fifo_id++, userdata, event_type}); + std::push_heap(event_queue.begin(), event_queue.end(), std::greater<>()); + } + event.Set(); +} + +void CoreTiming::UnscheduleEvent(const std::shared_ptr<EventType>& event_type, u64 userdata) { + std::scoped_lock scope{basic_lock}; const auto itr = std::remove_if(event_queue.begin(), event_queue.end(), [&](const Event& e) { return e.type.lock().get() == event_type.get() && e.userdata == userdata; }); @@ -95,21 +132,39 @@ void CoreTiming::UnscheduleEvent(const std::shared_ptr<EventType>& event_type, u } } -u64 CoreTiming::GetTicks() const { - u64 ticks = static_cast<u64>(global_timer); - if (!is_global_timer_sane) { - ticks += accumulated_ticks; +void CoreTiming::AddTicks(u64 ticks) { + this->ticks += ticks; + downcount -= ticks; +} + +void CoreTiming::Idle() { + if (!event_queue.empty()) { + const u64 next_event_time = event_queue.front().time; + const u64 next_ticks = nsToCycles(std::chrono::nanoseconds(next_event_time)) + 10U; + if (next_ticks > ticks) { + ticks = next_ticks; + } + return; } - return ticks; + ticks += 1000U; } -u64 CoreTiming::GetIdleTicks() const { - return static_cast<u64>(idled_cycles); +void CoreTiming::ResetTicks() { + downcount = MAX_SLICE_LENGTH; } -void CoreTiming::AddTicks(u64 ticks) { - accumulated_ticks += ticks; - downcounts[current_context] -= static_cast<s64>(ticks); +u64 CoreTiming::GetCPUTicks() const { + if (is_multicore) { + return clock->GetCPUCycles(); + } + return ticks; +} + +u64 CoreTiming::GetClockTicks() const { + if (is_multicore) { + return clock->GetClockCycles(); + } + return CpuCyclesToClockCycles(ticks); } void CoreTiming::ClearPendingEvents() { @@ -117,7 +172,7 @@ void CoreTiming::ClearPendingEvents() { } void CoreTiming::RemoveEvent(const std::shared_ptr<EventType>& event_type) { - std::lock_guard guard{inner_mutex}; + basic_lock.lock(); const auto itr = std::remove_if(event_queue.begin(), event_queue.end(), [&](const Event& e) { return e.type.lock().get() == event_type.get(); @@ -128,99 +183,72 @@ void CoreTiming::RemoveEvent(const std::shared_ptr<EventType>& event_type) { event_queue.erase(itr, event_queue.end()); std::make_heap(event_queue.begin(), event_queue.end(), std::greater<>()); } + basic_lock.unlock(); } -void CoreTiming::ForceExceptionCheck(s64 cycles) { - cycles = std::max<s64>(0, cycles); - if (downcounts[current_context] <= cycles) { - return; - } - - // downcount is always (much) smaller than MAX_INT so we can safely cast cycles to an int - // here. Account for cycles already executed by adjusting the g.slice_length - downcounts[current_context] = static_cast<int>(cycles); -} - -std::optional<u64> CoreTiming::NextAvailableCore(const s64 needed_ticks) const { - const u64 original_context = current_context; - u64 next_context = (original_context + 1) % num_cpu_cores; - while (next_context != original_context) { - if (time_slice[next_context] >= needed_ticks) { - return {next_context}; - } else if (time_slice[next_context] >= 0) { - return std::nullopt; - } - next_context = (next_context + 1) % num_cpu_cores; - } - return std::nullopt; -} - -void CoreTiming::Advance() { - std::unique_lock<std::mutex> guard(inner_mutex); - - const u64 cycles_executed = accumulated_ticks; - time_slice[current_context] = std::max<s64>(0, time_slice[current_context] - accumulated_ticks); - global_timer += cycles_executed; - - is_global_timer_sane = true; +std::optional<s64> CoreTiming::Advance() { + std::scoped_lock advance_scope{advance_lock}; + std::scoped_lock basic_scope{basic_lock}; + global_timer = GetGlobalTimeNs().count(); while (!event_queue.empty() && event_queue.front().time <= global_timer) { Event evt = std::move(event_queue.front()); std::pop_heap(event_queue.begin(), event_queue.end(), std::greater<>()); event_queue.pop_back(); - inner_mutex.unlock(); + basic_lock.unlock(); if (auto event_type{evt.type.lock()}) { event_type->callback(evt.userdata, global_timer - evt.time); } - inner_mutex.lock(); + basic_lock.lock(); + global_timer = GetGlobalTimeNs().count(); } - is_global_timer_sane = false; - - // Still events left (scheduled in the future) if (!event_queue.empty()) { - const s64 needed_ticks = - std::min<s64>(event_queue.front().time - global_timer, MAX_SLICE_LENGTH); - const auto next_core = NextAvailableCore(needed_ticks); - if (next_core) { - downcounts[*next_core] = needed_ticks; - } + const s64 next_time = event_queue.front().time - global_timer; + return next_time; + } else { + return std::nullopt; } - - accumulated_ticks = 0; - - downcounts[current_context] = time_slice[current_context]; } -void CoreTiming::ResetRun() { - downcounts.fill(MAX_SLICE_LENGTH); - time_slice.fill(MAX_SLICE_LENGTH); - current_context = 0; - // Still events left (scheduled in the future) - if (!event_queue.empty()) { - const s64 needed_ticks = - std::min<s64>(event_queue.front().time - global_timer, MAX_SLICE_LENGTH); - downcounts[current_context] = needed_ticks; +void CoreTiming::ThreadLoop() { + has_started = true; + while (!shutting_down) { + while (!paused) { + paused_set = false; + const auto next_time = Advance(); + if (next_time) { + if (*next_time > 0) { + std::chrono::nanoseconds next_time_ns = std::chrono::nanoseconds(*next_time); + event.WaitFor(next_time_ns); + } + } else { + wait_set = true; + event.Wait(); + } + wait_set = false; + } + paused_set = true; + clock->Pause(true); + pause_event.Wait(); + clock->Pause(false); } - - is_global_timer_sane = false; - accumulated_ticks = 0; } -void CoreTiming::Idle() { - accumulated_ticks += downcounts[current_context]; - idled_cycles += downcounts[current_context]; - downcounts[current_context] = 0; +std::chrono::nanoseconds CoreTiming::GetGlobalTimeNs() const { + if (is_multicore) { + return clock->GetTimeNS(); + } + return CyclesToNs(ticks); } std::chrono::microseconds CoreTiming::GetGlobalTimeUs() const { - return std::chrono::microseconds{GetTicks() * 1000000 / Hardware::BASE_CLOCK_RATE}; -} - -s64 CoreTiming::GetDowncount() const { - return downcounts[current_context]; + if (is_multicore) { + return clock->GetTimeUS(); + } + return CyclesToUs(ticks); } } // namespace Core::Timing diff --git a/src/core/core_timing.h b/src/core/core_timing.h index d50f4eb8a..72faaab64 100644 --- a/src/core/core_timing.h +++ b/src/core/core_timing.h @@ -1,19 +1,25 @@ -// Copyright 2008 Dolphin Emulator Project / 2017 Citra Emulator Project -// Licensed under GPLv2+ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version // Refer to the license.txt file included. #pragma once +#include <atomic> #include <chrono> #include <functional> #include <memory> #include <mutex> #include <optional> #include <string> +#include <thread> #include <vector> #include "common/common_types.h" +#include "common/spin_lock.h" +#include "common/thread.h" #include "common/threadsafe_queue.h" +#include "common/wall_clock.h" +#include "core/hardware_properties.h" namespace Core::Timing { @@ -56,16 +62,40 @@ public: /// CoreTiming begins at the boundary of timing slice -1. An initial call to Advance() is /// required to end slice - 1 and start slice 0 before the first cycle of code is executed. - void Initialize(); + void Initialize(std::function<void(void)>&& on_thread_init_); /// Tears down all timing related functionality. void Shutdown(); - /// After the first Advance, the slice lengths and the downcount will be reduced whenever an - /// event is scheduled earlier than the current values. - /// - /// Scheduling from a callback will not update the downcount until the Advance() completes. - void ScheduleEvent(s64 cycles_into_future, const std::shared_ptr<EventType>& event_type, + /// Sets if emulation is multicore or single core, must be set before Initialize + void SetMulticore(bool is_multicore) { + this->is_multicore = is_multicore; + } + + /// Check if it's using host timing. + bool IsHostTiming() const { + return is_multicore; + } + + /// Pauses/Unpauses the execution of the timer thread. + void Pause(bool is_paused); + + /// Pauses/Unpauses the execution of the timer thread and waits until paused. + void SyncPause(bool is_paused); + + /// Checks if core timing is running. + bool IsRunning() const; + + /// Checks if the timer thread has started. + bool HasStarted() const { + return has_started; + } + + /// Checks if there are any pending time events. + bool HasPendingEvents() const; + + /// Schedules an event in core timing + void ScheduleEvent(s64 ns_into_future, const std::shared_ptr<EventType>& event_type, u64 userdata = 0); void UnscheduleEvent(const std::shared_ptr<EventType>& event_type, u64 userdata); @@ -73,41 +103,30 @@ public: /// We only permit one event of each type in the queue at a time. void RemoveEvent(const std::shared_ptr<EventType>& event_type); - void ForceExceptionCheck(s64 cycles); - - /// This should only be called from the emu thread, if you are calling it any other thread, - /// you are doing something evil - u64 GetTicks() const; - - u64 GetIdleTicks() const; - void AddTicks(u64 ticks); - /// Advance must be called at the beginning of dispatcher loops, not the end. Advance() ends - /// the previous timing slice and begins the next one, you must Advance from the previous - /// slice to the current one before executing any cycles. CoreTiming starts in slice -1 so an - /// Advance() is required to initialize the slice length before the first cycle of emulated - /// instructions is executed. - void Advance(); + void ResetTicks(); - /// Pretend that the main CPU has executed enough cycles to reach the next event. void Idle(); - std::chrono::microseconds GetGlobalTimeUs() const; + s64 GetDowncount() const { + return downcount; + } - void ResetRun(); + /// Returns current time in emulated CPU cycles + u64 GetCPUTicks() const; - s64 GetDowncount() const; + /// Returns current time in emulated in Clock cycles + u64 GetClockTicks() const; - void SwitchContext(u64 new_context) { - current_context = new_context; - } + /// Returns current time in microseconds. + std::chrono::microseconds GetGlobalTimeUs() const; - bool CanCurrentContextRun() const { - return time_slice[current_context] > 0; - } + /// Returns current time in nanoseconds. + std::chrono::nanoseconds GetGlobalTimeNs() const; - std::optional<u64> NextAvailableCore(const s64 needed_ticks) const; + /// Checks for events manually and returns time in nanoseconds for next event, threadsafe. + std::optional<s64> Advance(); private: struct Event; @@ -115,21 +134,14 @@ private: /// Clear all pending events. This should ONLY be done on exit. void ClearPendingEvents(); - static constexpr u64 num_cpu_cores = 4; + static void ThreadEntry(CoreTiming& instance); + void ThreadLoop(); - s64 global_timer = 0; - s64 idled_cycles = 0; - s64 slice_length = 0; - u64 accumulated_ticks = 0; - std::array<s64, num_cpu_cores> downcounts{}; - // Slice of time assigned to each core per run. - std::array<s64, num_cpu_cores> time_slice{}; - u64 current_context = 0; + std::unique_ptr<Common::WallClock> clock; - // Are we in a function that has been called from Advance() - // If events are scheduled from a function that gets called from Advance(), - // don't change slice_length and downcount. - bool is_global_timer_sane = false; + u64 global_timer = 0; + + std::chrono::nanoseconds start_point; // The queue is a min-heap using std::make_heap/push_heap/pop_heap. // We don't use std::priority_queue because we need to be able to serialize, unserialize and @@ -139,8 +151,23 @@ private: u64 event_fifo_id = 0; std::shared_ptr<EventType> ev_lost; - - std::mutex inner_mutex; + Common::Event event{}; + Common::Event pause_event{}; + Common::SpinLock basic_lock{}; + Common::SpinLock advance_lock{}; + std::unique_ptr<std::thread> timer_thread; + std::atomic<bool> paused{}; + std::atomic<bool> paused_set{}; + std::atomic<bool> wait_set{}; + std::atomic<bool> shutting_down{}; + std::atomic<bool> has_started{}; + std::function<void(void)> on_thread_init{}; + + bool is_multicore{}; + + /// Cycle timing + u64 ticks{}; + s64 downcount{}; }; /// Creates a core timing event with the given name and callback. diff --git a/src/core/core_timing_util.cpp b/src/core/core_timing_util.cpp index be34b26fe..aefc63663 100644 --- a/src/core/core_timing_util.cpp +++ b/src/core/core_timing_util.cpp @@ -38,15 +38,8 @@ s64 usToCycles(std::chrono::microseconds us) { } s64 nsToCycles(std::chrono::nanoseconds ns) { - if (static_cast<u64>(ns.count() / 1000000000) > MAX_VALUE_TO_MULTIPLY) { - LOG_ERROR(Core_Timing, "Integer overflow, use max value"); - return std::numeric_limits<s64>::max(); - } - if (static_cast<u64>(ns.count()) > MAX_VALUE_TO_MULTIPLY) { - LOG_DEBUG(Core_Timing, "Time very big, do rounding"); - return Hardware::BASE_CLOCK_RATE * (ns.count() / 1000000000); - } - return (Hardware::BASE_CLOCK_RATE * ns.count()) / 1000000000; + const u128 temporal = Common::Multiply64Into128(ns.count(), Hardware::BASE_CLOCK_RATE); + return Common::Divide128On32(temporal, static_cast<u32>(1000000000)).first; } u64 msToClockCycles(std::chrono::milliseconds ns) { @@ -69,4 +62,22 @@ u64 CpuCyclesToClockCycles(u64 ticks) { return Common::Divide128On32(temporal, static_cast<u32>(Hardware::BASE_CLOCK_RATE)).first; } +std::chrono::milliseconds CyclesToMs(s64 cycles) { + const u128 temporal = Common::Multiply64Into128(cycles, 1000); + u64 ms = Common::Divide128On32(temporal, static_cast<u32>(Hardware::BASE_CLOCK_RATE)).first; + return std::chrono::milliseconds(ms); +} + +std::chrono::nanoseconds CyclesToNs(s64 cycles) { + const u128 temporal = Common::Multiply64Into128(cycles, 1000000000); + u64 ns = Common::Divide128On32(temporal, static_cast<u32>(Hardware::BASE_CLOCK_RATE)).first; + return std::chrono::nanoseconds(ns); +} + +std::chrono::microseconds CyclesToUs(s64 cycles) { + const u128 temporal = Common::Multiply64Into128(cycles, 1000000); + u64 us = Common::Divide128On32(temporal, static_cast<u32>(Hardware::BASE_CLOCK_RATE)).first; + return std::chrono::microseconds(us); +} + } // namespace Core::Timing diff --git a/src/core/core_timing_util.h b/src/core/core_timing_util.h index b3c58447d..2ed979e14 100644 --- a/src/core/core_timing_util.h +++ b/src/core/core_timing_util.h @@ -16,18 +16,9 @@ s64 nsToCycles(std::chrono::nanoseconds ns); u64 msToClockCycles(std::chrono::milliseconds ns); u64 usToClockCycles(std::chrono::microseconds ns); u64 nsToClockCycles(std::chrono::nanoseconds ns); - -inline std::chrono::milliseconds CyclesToMs(s64 cycles) { - return std::chrono::milliseconds(cycles * 1000 / Hardware::BASE_CLOCK_RATE); -} - -inline std::chrono::nanoseconds CyclesToNs(s64 cycles) { - return std::chrono::nanoseconds(cycles * 1000000000 / Hardware::BASE_CLOCK_RATE); -} - -inline std::chrono::microseconds CyclesToUs(s64 cycles) { - return std::chrono::microseconds(cycles * 1000000 / Hardware::BASE_CLOCK_RATE); -} +std::chrono::milliseconds CyclesToMs(s64 cycles); +std::chrono::nanoseconds CyclesToNs(s64 cycles); +std::chrono::microseconds CyclesToUs(s64 cycles); u64 CpuCyclesToClockCycles(u64 ticks); diff --git a/src/core/cpu_manager.cpp b/src/core/cpu_manager.cpp index 70ddbdcca..32afcf3ae 100644 --- a/src/core/cpu_manager.cpp +++ b/src/core/cpu_manager.cpp @@ -2,80 +2,372 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include "common/fiber.h" +#include "common/microprofile.h" +#include "common/thread.h" #include "core/arm/exclusive_monitor.h" #include "core/core.h" -#include "core/core_manager.h" #include "core/core_timing.h" #include "core/cpu_manager.h" #include "core/gdbstub/gdbstub.h" +#include "core/hle/kernel/kernel.h" +#include "core/hle/kernel/physical_core.h" +#include "core/hle/kernel/scheduler.h" +#include "core/hle/kernel/thread.h" +#include "video_core/gpu.h" namespace Core { CpuManager::CpuManager(System& system) : system{system} {} CpuManager::~CpuManager() = default; +void CpuManager::ThreadStart(CpuManager& cpu_manager, std::size_t core) { + cpu_manager.RunThread(core); +} + void CpuManager::Initialize() { - for (std::size_t index = 0; index < core_managers.size(); ++index) { - core_managers[index] = std::make_unique<CoreManager>(system, index); + running_mode = true; + if (is_multicore) { + for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { + core_data[core].host_thread = + std::make_unique<std::thread>(ThreadStart, std::ref(*this), core); + } + } else { + core_data[0].host_thread = std::make_unique<std::thread>(ThreadStart, std::ref(*this), 0); } } void CpuManager::Shutdown() { - for (auto& cpu_core : core_managers) { - cpu_core.reset(); + running_mode = false; + Pause(false); + if (is_multicore) { + for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { + core_data[core].host_thread->join(); + core_data[core].host_thread.reset(); + } + } else { + core_data[0].host_thread->join(); + core_data[0].host_thread.reset(); } } -CoreManager& CpuManager::GetCoreManager(std::size_t index) { - return *core_managers.at(index); +std::function<void(void*)> CpuManager::GetGuestThreadStartFunc() { + return std::function<void(void*)>(GuestThreadFunction); } -const CoreManager& CpuManager::GetCoreManager(std::size_t index) const { - return *core_managers.at(index); +std::function<void(void*)> CpuManager::GetIdleThreadStartFunc() { + return std::function<void(void*)>(IdleThreadFunction); } -CoreManager& CpuManager::GetCurrentCoreManager() { - // Otherwise, use single-threaded mode active_core variable - return *core_managers[active_core]; +std::function<void(void*)> CpuManager::GetSuspendThreadStartFunc() { + return std::function<void(void*)>(SuspendThreadFunction); } -const CoreManager& CpuManager::GetCurrentCoreManager() const { - // Otherwise, use single-threaded mode active_core variable - return *core_managers[active_core]; +void CpuManager::GuestThreadFunction(void* cpu_manager_) { + CpuManager* cpu_manager = static_cast<CpuManager*>(cpu_manager_); + if (cpu_manager->is_multicore) { + cpu_manager->MultiCoreRunGuestThread(); + } else { + cpu_manager->SingleCoreRunGuestThread(); + } } -void CpuManager::RunLoop(bool tight_loop) { - if (GDBStub::IsServerEnabled()) { - GDBStub::HandlePacket(); +void CpuManager::GuestRewindFunction(void* cpu_manager_) { + CpuManager* cpu_manager = static_cast<CpuManager*>(cpu_manager_); + if (cpu_manager->is_multicore) { + cpu_manager->MultiCoreRunGuestLoop(); + } else { + cpu_manager->SingleCoreRunGuestLoop(); + } +} - // If the loop is halted and we want to step, use a tiny (1) number of instructions to - // execute. Otherwise, get out of the loop function. - if (GDBStub::GetCpuHaltFlag()) { - if (GDBStub::GetCpuStepFlag()) { - tight_loop = false; - } else { - return; +void CpuManager::IdleThreadFunction(void* cpu_manager_) { + CpuManager* cpu_manager = static_cast<CpuManager*>(cpu_manager_); + if (cpu_manager->is_multicore) { + cpu_manager->MultiCoreRunIdleThread(); + } else { + cpu_manager->SingleCoreRunIdleThread(); + } +} + +void CpuManager::SuspendThreadFunction(void* cpu_manager_) { + CpuManager* cpu_manager = static_cast<CpuManager*>(cpu_manager_); + if (cpu_manager->is_multicore) { + cpu_manager->MultiCoreRunSuspendThread(); + } else { + cpu_manager->SingleCoreRunSuspendThread(); + } +} + +void* CpuManager::GetStartFuncParamater() { + return static_cast<void*>(this); +} + +/////////////////////////////////////////////////////////////////////////////// +/// MultiCore /// +/////////////////////////////////////////////////////////////////////////////// + +void CpuManager::MultiCoreRunGuestThread() { + auto& kernel = system.Kernel(); + { + auto& sched = kernel.CurrentScheduler(); + sched.OnThreadStart(); + } + MultiCoreRunGuestLoop(); +} + +void CpuManager::MultiCoreRunGuestLoop() { + auto& kernel = system.Kernel(); + auto* thread = kernel.CurrentScheduler().GetCurrentThread(); + while (true) { + auto* physical_core = &kernel.CurrentPhysicalCore(); + auto& arm_interface = thread->ArmInterface(); + system.EnterDynarmicProfile(); + while (!physical_core->IsInterrupted()) { + arm_interface.Run(); + physical_core = &kernel.CurrentPhysicalCore(); + } + system.ExitDynarmicProfile(); + arm_interface.ClearExclusiveState(); + auto& scheduler = kernel.CurrentScheduler(); + scheduler.TryDoContextSwitch(); + } +} + +void CpuManager::MultiCoreRunIdleThread() { + auto& kernel = system.Kernel(); + while (true) { + auto& physical_core = kernel.CurrentPhysicalCore(); + physical_core.Idle(); + auto& scheduler = kernel.CurrentScheduler(); + scheduler.TryDoContextSwitch(); + } +} + +void CpuManager::MultiCoreRunSuspendThread() { + auto& kernel = system.Kernel(); + { + auto& sched = kernel.CurrentScheduler(); + sched.OnThreadStart(); + } + while (true) { + auto core = kernel.GetCurrentHostThreadID(); + auto& scheduler = kernel.CurrentScheduler(); + Kernel::Thread* current_thread = scheduler.GetCurrentThread(); + Common::Fiber::YieldTo(current_thread->GetHostContext(), core_data[core].host_context); + ASSERT(scheduler.ContextSwitchPending()); + ASSERT(core == kernel.GetCurrentHostThreadID()); + scheduler.TryDoContextSwitch(); + } +} + +void CpuManager::MultiCorePause(bool paused) { + if (!paused) { + bool all_not_barrier = false; + while (!all_not_barrier) { + all_not_barrier = true; + for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { + all_not_barrier &= + !core_data[core].is_running.load() && core_data[core].initialized.load(); + } + } + for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { + core_data[core].enter_barrier->Set(); + } + if (paused_state.load()) { + bool all_barrier = false; + while (!all_barrier) { + all_barrier = true; + for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { + all_barrier &= + core_data[core].is_paused.load() && core_data[core].initialized.load(); + } + } + for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { + core_data[core].exit_barrier->Set(); + } + } + } else { + /// Wait until all cores are paused. + bool all_barrier = false; + while (!all_barrier) { + all_barrier = true; + for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { + all_barrier &= + core_data[core].is_paused.load() && core_data[core].initialized.load(); } } + /// Don't release the barrier } + paused_state = paused; +} + +/////////////////////////////////////////////////////////////////////////////// +/// SingleCore /// +/////////////////////////////////////////////////////////////////////////////// - auto& core_timing = system.CoreTiming(); - core_timing.ResetRun(); - bool keep_running{}; - do { - keep_running = false; - for (active_core = 0; active_core < NUM_CPU_CORES; ++active_core) { - core_timing.SwitchContext(active_core); - if (core_timing.CanCurrentContextRun()) { - core_managers[active_core]->RunLoop(tight_loop); +void CpuManager::SingleCoreRunGuestThread() { + auto& kernel = system.Kernel(); + { + auto& sched = kernel.CurrentScheduler(); + sched.OnThreadStart(); + } + SingleCoreRunGuestLoop(); +} + +void CpuManager::SingleCoreRunGuestLoop() { + auto& kernel = system.Kernel(); + auto* thread = kernel.CurrentScheduler().GetCurrentThread(); + while (true) { + auto* physical_core = &kernel.CurrentPhysicalCore(); + auto& arm_interface = thread->ArmInterface(); + system.EnterDynarmicProfile(); + if (!physical_core->IsInterrupted()) { + arm_interface.Run(); + physical_core = &kernel.CurrentPhysicalCore(); + } + system.ExitDynarmicProfile(); + thread->SetPhantomMode(true); + system.CoreTiming().Advance(); + thread->SetPhantomMode(false); + arm_interface.ClearExclusiveState(); + PreemptSingleCore(); + auto& scheduler = kernel.Scheduler(current_core); + scheduler.TryDoContextSwitch(); + } +} + +void CpuManager::SingleCoreRunIdleThread() { + auto& kernel = system.Kernel(); + while (true) { + auto& physical_core = kernel.CurrentPhysicalCore(); + PreemptSingleCore(false); + system.CoreTiming().AddTicks(1000U); + idle_count++; + auto& scheduler = physical_core.Scheduler(); + scheduler.TryDoContextSwitch(); + } +} + +void CpuManager::SingleCoreRunSuspendThread() { + auto& kernel = system.Kernel(); + { + auto& sched = kernel.CurrentScheduler(); + sched.OnThreadStart(); + } + while (true) { + auto core = kernel.GetCurrentHostThreadID(); + auto& scheduler = kernel.CurrentScheduler(); + Kernel::Thread* current_thread = scheduler.GetCurrentThread(); + Common::Fiber::YieldTo(current_thread->GetHostContext(), core_data[0].host_context); + ASSERT(scheduler.ContextSwitchPending()); + ASSERT(core == kernel.GetCurrentHostThreadID()); + scheduler.TryDoContextSwitch(); + } +} + +void CpuManager::PreemptSingleCore(bool from_running_enviroment) { + std::size_t old_core = current_core; + auto& scheduler = system.Kernel().Scheduler(old_core); + Kernel::Thread* current_thread = scheduler.GetCurrentThread(); + if (idle_count >= 4 || from_running_enviroment) { + if (!from_running_enviroment) { + system.CoreTiming().Idle(); + idle_count = 0; + } + current_thread->SetPhantomMode(true); + system.CoreTiming().Advance(); + current_thread->SetPhantomMode(false); + } + current_core.store((current_core + 1) % Core::Hardware::NUM_CPU_CORES); + system.CoreTiming().ResetTicks(); + scheduler.Unload(); + auto& next_scheduler = system.Kernel().Scheduler(current_core); + Common::Fiber::YieldTo(current_thread->GetHostContext(), next_scheduler.ControlContext()); + /// May have changed scheduler + auto& current_scheduler = system.Kernel().Scheduler(current_core); + current_scheduler.Reload(); + auto* currrent_thread2 = current_scheduler.GetCurrentThread(); + if (!currrent_thread2->IsIdleThread()) { + idle_count = 0; + } +} + +void CpuManager::SingleCorePause(bool paused) { + if (!paused) { + bool all_not_barrier = false; + while (!all_not_barrier) { + all_not_barrier = !core_data[0].is_running.load() && core_data[0].initialized.load(); + } + core_data[0].enter_barrier->Set(); + if (paused_state.load()) { + bool all_barrier = false; + while (!all_barrier) { + all_barrier = core_data[0].is_paused.load() && core_data[0].initialized.load(); } - keep_running |= core_timing.CanCurrentContextRun(); + core_data[0].exit_barrier->Set(); } - } while (keep_running); + } else { + /// Wait until all cores are paused. + bool all_barrier = false; + while (!all_barrier) { + all_barrier = core_data[0].is_paused.load() && core_data[0].initialized.load(); + } + /// Don't release the barrier + } + paused_state = paused; +} + +void CpuManager::Pause(bool paused) { + if (is_multicore) { + MultiCorePause(paused); + } else { + SingleCorePause(paused); + } +} - if (GDBStub::IsServerEnabled()) { - GDBStub::SetCpuStepFlag(false); +void CpuManager::RunThread(std::size_t core) { + /// Initialization + system.RegisterCoreThread(core); + std::string name; + if (is_multicore) { + name = "yuzu:CoreCPUThread_" + std::to_string(core); + } else { + name = "yuzu:CPUThread"; + } + MicroProfileOnThreadCreate(name.c_str()); + Common::SetCurrentThreadName(name.c_str()); + Common::SetCurrentThreadPriority(Common::ThreadPriority::High); + auto& data = core_data[core]; + data.enter_barrier = std::make_unique<Common::Event>(); + data.exit_barrier = std::make_unique<Common::Event>(); + data.host_context = Common::Fiber::ThreadToFiber(); + data.is_running = false; + data.initialized = true; + const bool sc_sync = !is_async_gpu && !is_multicore; + bool sc_sync_first_use = sc_sync; + /// Running + while (running_mode) { + data.is_running = false; + data.enter_barrier->Wait(); + if (sc_sync_first_use) { + system.GPU().ObtainContext(); + sc_sync_first_use = false; + } + auto& scheduler = system.Kernel().CurrentScheduler(); + Kernel::Thread* current_thread = scheduler.GetCurrentThread(); + data.is_running = true; + Common::Fiber::YieldTo(data.host_context, current_thread->GetHostContext()); + data.is_running = false; + data.is_paused = true; + data.exit_barrier->Wait(); + data.is_paused = false; } + /// Time to cleanup + data.host_context->Exit(); + data.enter_barrier.reset(); + data.exit_barrier.reset(); + data.initialized = false; } } // namespace Core diff --git a/src/core/cpu_manager.h b/src/core/cpu_manager.h index 97554d1bb..35929ed94 100644 --- a/src/core/cpu_manager.h +++ b/src/core/cpu_manager.h @@ -5,12 +5,19 @@ #pragma once #include <array> +#include <atomic> +#include <functional> #include <memory> +#include <thread> #include "core/hardware_properties.h" +namespace Common { +class Event; +class Fiber; +} // namespace Common + namespace Core { -class CoreManager; class System; class CpuManager { @@ -24,24 +31,75 @@ public: CpuManager& operator=(const CpuManager&) = delete; CpuManager& operator=(CpuManager&&) = delete; + /// Sets if emulation is multicore or single core, must be set before Initialize + void SetMulticore(bool is_multicore) { + this->is_multicore = is_multicore; + } + + /// Sets if emulation is using an asynchronous GPU. + void SetAsyncGpu(bool is_async_gpu) { + this->is_async_gpu = is_async_gpu; + } + void Initialize(); void Shutdown(); - CoreManager& GetCoreManager(std::size_t index); - const CoreManager& GetCoreManager(std::size_t index) const; + void Pause(bool paused); - CoreManager& GetCurrentCoreManager(); - const CoreManager& GetCurrentCoreManager() const; + std::function<void(void*)> GetGuestThreadStartFunc(); + std::function<void(void*)> GetIdleThreadStartFunc(); + std::function<void(void*)> GetSuspendThreadStartFunc(); + void* GetStartFuncParamater(); - std::size_t GetActiveCoreIndex() const { - return active_core; - } + void PreemptSingleCore(bool from_running_enviroment = true); - void RunLoop(bool tight_loop); + std::size_t CurrentCore() const { + return current_core.load(); + } private: - std::array<std::unique_ptr<CoreManager>, Hardware::NUM_CPU_CORES> core_managers; - std::size_t active_core{}; ///< Active core, only used in single thread mode + static void GuestThreadFunction(void* cpu_manager); + static void GuestRewindFunction(void* cpu_manager); + static void IdleThreadFunction(void* cpu_manager); + static void SuspendThreadFunction(void* cpu_manager); + + void MultiCoreRunGuestThread(); + void MultiCoreRunGuestLoop(); + void MultiCoreRunIdleThread(); + void MultiCoreRunSuspendThread(); + void MultiCorePause(bool paused); + + void SingleCoreRunGuestThread(); + void SingleCoreRunGuestLoop(); + void SingleCoreRunIdleThread(); + void SingleCoreRunSuspendThread(); + void SingleCorePause(bool paused); + + static void ThreadStart(CpuManager& cpu_manager, std::size_t core); + + void RunThread(std::size_t core); + + struct CoreData { + std::shared_ptr<Common::Fiber> host_context; + std::unique_ptr<Common::Event> enter_barrier; + std::unique_ptr<Common::Event> exit_barrier; + std::atomic<bool> is_running; + std::atomic<bool> is_paused; + std::atomic<bool> initialized; + std::unique_ptr<std::thread> host_thread; + }; + + std::atomic<bool> running_mode{}; + std::atomic<bool> paused_state{}; + + std::array<CoreData, Core::Hardware::NUM_CPU_CORES> core_data{}; + + bool is_async_gpu{}; + bool is_multicore{}; + std::atomic<std::size_t> current_core{}; + std::size_t preemption_count{}; + std::size_t idle_count{}; + static constexpr std::size_t max_cycle_runs = 5; System& system; }; diff --git a/src/core/gdbstub/gdbstub.cpp b/src/core/gdbstub/gdbstub.cpp index 70c0f8b80..79f22a403 100644 --- a/src/core/gdbstub/gdbstub.cpp +++ b/src/core/gdbstub/gdbstub.cpp @@ -35,7 +35,6 @@ #include "common/swap.h" #include "core/arm/arm_interface.h" #include "core/core.h" -#include "core/core_manager.h" #include "core/gdbstub/gdbstub.h" #include "core/hle/kernel/memory/page_table.h" #include "core/hle/kernel/process.h" diff --git a/src/core/hardware_properties.h b/src/core/hardware_properties.h index b04e046ed..456b41e1b 100644 --- a/src/core/hardware_properties.h +++ b/src/core/hardware_properties.h @@ -42,6 +42,10 @@ struct EmuThreadHandle { constexpr u32 invalid_handle = 0xFFFFFFFF; return {invalid_handle, invalid_handle}; } + + bool IsInvalid() const { + return (*this) == InvalidHandle(); + } }; } // namespace Core diff --git a/src/core/hle/kernel/address_arbiter.cpp b/src/core/hle/kernel/address_arbiter.cpp index 8475b698c..4d2a9b35d 100644 --- a/src/core/hle/kernel/address_arbiter.cpp +++ b/src/core/hle/kernel/address_arbiter.cpp @@ -7,11 +7,15 @@ #include "common/assert.h" #include "common/common_types.h" +#include "core/arm/exclusive_monitor.h" #include "core/core.h" #include "core/hle/kernel/address_arbiter.h" #include "core/hle/kernel/errors.h" +#include "core/hle/kernel/handle_table.h" +#include "core/hle/kernel/kernel.h" #include "core/hle/kernel/scheduler.h" #include "core/hle/kernel/thread.h" +#include "core/hle/kernel/time_manager.h" #include "core/hle/result.h" #include "core/memory.h" @@ -20,6 +24,7 @@ namespace Kernel { // Wake up num_to_wake (or all) threads in a vector. void AddressArbiter::WakeThreads(const std::vector<std::shared_ptr<Thread>>& waiting_threads, s32 num_to_wake) { + auto& time_manager = system.Kernel().TimeManager(); // Only process up to 'target' threads, unless 'target' is <= 0, in which case process // them all. std::size_t last = waiting_threads.size(); @@ -29,12 +34,10 @@ void AddressArbiter::WakeThreads(const std::vector<std::shared_ptr<Thread>>& wai // Signal the waiting threads. for (std::size_t i = 0; i < last; i++) { - ASSERT(waiting_threads[i]->GetStatus() == ThreadStatus::WaitArb); - waiting_threads[i]->SetWaitSynchronizationResult(RESULT_SUCCESS); + waiting_threads[i]->SetSynchronizationResults(nullptr, RESULT_SUCCESS); RemoveThread(waiting_threads[i]); - waiting_threads[i]->SetArbiterWaitAddress(0); + waiting_threads[i]->WaitForArbitration(false); waiting_threads[i]->ResumeFromWait(); - system.PrepareReschedule(waiting_threads[i]->GetProcessorID()); } } @@ -56,6 +59,7 @@ ResultCode AddressArbiter::SignalToAddress(VAddr address, SignalType type, s32 v } ResultCode AddressArbiter::SignalToAddressOnly(VAddr address, s32 num_to_wake) { + SchedulerLock lock(system.Kernel()); const std::vector<std::shared_ptr<Thread>> waiting_threads = GetThreadsWaitingOnAddress(address); WakeThreads(waiting_threads, num_to_wake); @@ -64,6 +68,7 @@ ResultCode AddressArbiter::SignalToAddressOnly(VAddr address, s32 num_to_wake) { ResultCode AddressArbiter::IncrementAndSignalToAddressIfEqual(VAddr address, s32 value, s32 num_to_wake) { + SchedulerLock lock(system.Kernel()); auto& memory = system.Memory(); // Ensure that we can write to the address. @@ -71,16 +76,24 @@ ResultCode AddressArbiter::IncrementAndSignalToAddressIfEqual(VAddr address, s32 return ERR_INVALID_ADDRESS_STATE; } - if (static_cast<s32>(memory.Read32(address)) != value) { - return ERR_INVALID_STATE; - } + const std::size_t current_core = system.CurrentCoreIndex(); + auto& monitor = system.Monitor(); + u32 current_value; + do { + current_value = monitor.ExclusiveRead32(current_core, address); + + if (current_value != value) { + return ERR_INVALID_STATE; + } + current_value++; + } while (!monitor.ExclusiveWrite32(current_core, address, current_value)); - memory.Write32(address, static_cast<u32>(value + 1)); return SignalToAddressOnly(address, num_to_wake); } ResultCode AddressArbiter::ModifyByWaitingCountAndSignalToAddressIfEqual(VAddr address, s32 value, s32 num_to_wake) { + SchedulerLock lock(system.Kernel()); auto& memory = system.Memory(); // Ensure that we can write to the address. @@ -92,29 +105,33 @@ ResultCode AddressArbiter::ModifyByWaitingCountAndSignalToAddressIfEqual(VAddr a const std::vector<std::shared_ptr<Thread>> waiting_threads = GetThreadsWaitingOnAddress(address); - // Determine the modified value depending on the waiting count. + const std::size_t current_core = system.CurrentCoreIndex(); + auto& monitor = system.Monitor(); s32 updated_value; - if (num_to_wake <= 0) { - if (waiting_threads.empty()) { - updated_value = value + 1; - } else { - updated_value = value - 1; + do { + updated_value = monitor.ExclusiveRead32(current_core, address); + + if (updated_value != value) { + return ERR_INVALID_STATE; } - } else { - if (waiting_threads.empty()) { - updated_value = value + 1; - } else if (waiting_threads.size() <= static_cast<u32>(num_to_wake)) { - updated_value = value - 1; + // Determine the modified value depending on the waiting count. + if (num_to_wake <= 0) { + if (waiting_threads.empty()) { + updated_value = value + 1; + } else { + updated_value = value - 1; + } } else { - updated_value = value; + if (waiting_threads.empty()) { + updated_value = value + 1; + } else if (waiting_threads.size() <= static_cast<u32>(num_to_wake)) { + updated_value = value - 1; + } else { + updated_value = value; + } } - } + } while (!monitor.ExclusiveWrite32(current_core, address, updated_value)); - if (static_cast<s32>(memory.Read32(address)) != value) { - return ERR_INVALID_STATE; - } - - memory.Write32(address, static_cast<u32>(updated_value)); WakeThreads(waiting_threads, num_to_wake); return RESULT_SUCCESS; } @@ -136,60 +153,127 @@ ResultCode AddressArbiter::WaitForAddress(VAddr address, ArbitrationType type, s ResultCode AddressArbiter::WaitForAddressIfLessThan(VAddr address, s32 value, s64 timeout, bool should_decrement) { auto& memory = system.Memory(); + auto& kernel = system.Kernel(); + Thread* current_thread = system.CurrentScheduler().GetCurrentThread(); - // Ensure that we can read the address. - if (!memory.IsValidVirtualAddress(address)) { - return ERR_INVALID_ADDRESS_STATE; - } + Handle event_handle = InvalidHandle; + { + SchedulerLockAndSleep lock(kernel, event_handle, current_thread, timeout); + + if (current_thread->IsPendingTermination()) { + lock.CancelSleep(); + return ERR_THREAD_TERMINATING; + } + + // Ensure that we can read the address. + if (!memory.IsValidVirtualAddress(address)) { + lock.CancelSleep(); + return ERR_INVALID_ADDRESS_STATE; + } + + s32 current_value = static_cast<s32>(memory.Read32(address)); + if (current_value >= value) { + lock.CancelSleep(); + return ERR_INVALID_STATE; + } + + current_thread->SetSynchronizationResults(nullptr, RESULT_TIMEOUT); + + s32 decrement_value; + + const std::size_t current_core = system.CurrentCoreIndex(); + auto& monitor = system.Monitor(); + do { + current_value = static_cast<s32>(monitor.ExclusiveRead32(current_core, address)); + if (should_decrement) { + decrement_value = current_value - 1; + } else { + decrement_value = current_value; + } + } while ( + !monitor.ExclusiveWrite32(current_core, address, static_cast<u32>(decrement_value))); + + // Short-circuit without rescheduling, if timeout is zero. + if (timeout == 0) { + lock.CancelSleep(); + return RESULT_TIMEOUT; + } - const s32 cur_value = static_cast<s32>(memory.Read32(address)); - if (cur_value >= value) { - return ERR_INVALID_STATE; + current_thread->SetArbiterWaitAddress(address); + InsertThread(SharedFrom(current_thread)); + current_thread->SetStatus(ThreadStatus::WaitArb); + current_thread->WaitForArbitration(true); } - if (should_decrement) { - memory.Write32(address, static_cast<u32>(cur_value - 1)); + if (event_handle != InvalidHandle) { + auto& time_manager = kernel.TimeManager(); + time_manager.UnscheduleTimeEvent(event_handle); } - // Short-circuit without rescheduling, if timeout is zero. - if (timeout == 0) { - return RESULT_TIMEOUT; + { + SchedulerLock lock(kernel); + if (current_thread->IsWaitingForArbitration()) { + RemoveThread(SharedFrom(current_thread)); + current_thread->WaitForArbitration(false); + } } - return WaitForAddressImpl(address, timeout); + return current_thread->GetSignalingResult(); } ResultCode AddressArbiter::WaitForAddressIfEqual(VAddr address, s32 value, s64 timeout) { auto& memory = system.Memory(); + auto& kernel = system.Kernel(); + Thread* current_thread = system.CurrentScheduler().GetCurrentThread(); - // Ensure that we can read the address. - if (!memory.IsValidVirtualAddress(address)) { - return ERR_INVALID_ADDRESS_STATE; - } + Handle event_handle = InvalidHandle; + { + SchedulerLockAndSleep lock(kernel, event_handle, current_thread, timeout); + + if (current_thread->IsPendingTermination()) { + lock.CancelSleep(); + return ERR_THREAD_TERMINATING; + } + + // Ensure that we can read the address. + if (!memory.IsValidVirtualAddress(address)) { + lock.CancelSleep(); + return ERR_INVALID_ADDRESS_STATE; + } - // Only wait for the address if equal. - if (static_cast<s32>(memory.Read32(address)) != value) { - return ERR_INVALID_STATE; + s32 current_value = static_cast<s32>(memory.Read32(address)); + if (current_value != value) { + lock.CancelSleep(); + return ERR_INVALID_STATE; + } + + // Short-circuit without rescheduling, if timeout is zero. + if (timeout == 0) { + lock.CancelSleep(); + return RESULT_TIMEOUT; + } + + current_thread->SetSynchronizationResults(nullptr, RESULT_TIMEOUT); + current_thread->SetArbiterWaitAddress(address); + InsertThread(SharedFrom(current_thread)); + current_thread->SetStatus(ThreadStatus::WaitArb); + current_thread->WaitForArbitration(true); } - // Short-circuit without rescheduling if timeout is zero. - if (timeout == 0) { - return RESULT_TIMEOUT; + if (event_handle != InvalidHandle) { + auto& time_manager = kernel.TimeManager(); + time_manager.UnscheduleTimeEvent(event_handle); } - return WaitForAddressImpl(address, timeout); -} + { + SchedulerLock lock(kernel); + if (current_thread->IsWaitingForArbitration()) { + RemoveThread(SharedFrom(current_thread)); + current_thread->WaitForArbitration(false); + } + } -ResultCode AddressArbiter::WaitForAddressImpl(VAddr address, s64 timeout) { - Thread* current_thread = system.CurrentScheduler().GetCurrentThread(); - current_thread->SetArbiterWaitAddress(address); - InsertThread(SharedFrom(current_thread)); - current_thread->SetStatus(ThreadStatus::WaitArb); - current_thread->InvalidateWakeupCallback(); - current_thread->WakeAfterDelay(timeout); - - system.PrepareReschedule(current_thread->GetProcessorID()); - return RESULT_TIMEOUT; + return current_thread->GetSignalingResult(); } void AddressArbiter::HandleWakeupThread(std::shared_ptr<Thread> thread) { @@ -221,9 +305,9 @@ void AddressArbiter::RemoveThread(std::shared_ptr<Thread> thread) { const auto iter = std::find_if(thread_list.cbegin(), thread_list.cend(), [&thread](const auto& entry) { return thread == entry; }); - ASSERT(iter != thread_list.cend()); - - thread_list.erase(iter); + if (iter != thread_list.cend()) { + thread_list.erase(iter); + } } std::vector<std::shared_ptr<Thread>> AddressArbiter::GetThreadsWaitingOnAddress( diff --git a/src/core/hle/kernel/address_arbiter.h b/src/core/hle/kernel/address_arbiter.h index f958eee5a..0b05d533c 100644 --- a/src/core/hle/kernel/address_arbiter.h +++ b/src/core/hle/kernel/address_arbiter.h @@ -73,9 +73,6 @@ private: /// Waits on an address if the value passed is equal to the argument value. ResultCode WaitForAddressIfEqual(VAddr address, s32 value, s64 timeout); - // Waits on the given address with a timeout in nanoseconds - ResultCode WaitForAddressImpl(VAddr address, s64 timeout); - /// Wake up num_to_wake (or all) threads in a vector. void WakeThreads(const std::vector<std::shared_ptr<Thread>>& waiting_threads, s32 num_to_wake); diff --git a/src/core/hle/kernel/client_port.cpp b/src/core/hle/kernel/client_port.cpp index 5498fd313..8aff2227a 100644 --- a/src/core/hle/kernel/client_port.cpp +++ b/src/core/hle/kernel/client_port.cpp @@ -34,7 +34,7 @@ ResultVal<std::shared_ptr<ClientSession>> ClientPort::Connect() { } // Wake the threads waiting on the ServerPort - server_port->WakeupAllWaitingThreads(); + server_port->Signal(); return MakeResult(std::move(client)); } diff --git a/src/core/hle/kernel/errors.h b/src/core/hle/kernel/errors.h index 29bfa3621..d4e5d88cf 100644 --- a/src/core/hle/kernel/errors.h +++ b/src/core/hle/kernel/errors.h @@ -12,6 +12,7 @@ namespace Kernel { constexpr ResultCode ERR_MAX_CONNECTIONS_REACHED{ErrorModule::Kernel, 7}; constexpr ResultCode ERR_INVALID_CAPABILITY_DESCRIPTOR{ErrorModule::Kernel, 14}; +constexpr ResultCode ERR_THREAD_TERMINATING{ErrorModule::Kernel, 59}; constexpr ResultCode ERR_INVALID_SIZE{ErrorModule::Kernel, 101}; constexpr ResultCode ERR_INVALID_ADDRESS{ErrorModule::Kernel, 102}; constexpr ResultCode ERR_OUT_OF_RESOURCES{ErrorModule::Kernel, 103}; diff --git a/src/core/hle/kernel/hle_ipc.cpp b/src/core/hle/kernel/hle_ipc.cpp index 0d01a7047..9277b5d08 100644 --- a/src/core/hle/kernel/hle_ipc.cpp +++ b/src/core/hle/kernel/hle_ipc.cpp @@ -14,14 +14,17 @@ #include "common/common_types.h" #include "common/logging/log.h" #include "core/hle/ipc_helpers.h" +#include "core/hle/kernel/errors.h" #include "core/hle/kernel/handle_table.h" #include "core/hle/kernel/hle_ipc.h" #include "core/hle/kernel/kernel.h" #include "core/hle/kernel/object.h" #include "core/hle/kernel/process.h" #include "core/hle/kernel/readable_event.h" +#include "core/hle/kernel/scheduler.h" #include "core/hle/kernel/server_session.h" #include "core/hle/kernel/thread.h" +#include "core/hle/kernel/time_manager.h" #include "core/hle/kernel/writable_event.h" #include "core/memory.h" @@ -46,15 +49,6 @@ std::shared_ptr<WritableEvent> HLERequestContext::SleepClientThread( const std::string& reason, u64 timeout, WakeupCallback&& callback, std::shared_ptr<WritableEvent> writable_event) { // Put the client thread to sleep until the wait event is signaled or the timeout expires. - thread->SetWakeupCallback( - [context = *this, callback](ThreadWakeupReason reason, std::shared_ptr<Thread> thread, - std::shared_ptr<SynchronizationObject> object, - std::size_t index) mutable -> bool { - ASSERT(thread->GetStatus() == ThreadStatus::WaitHLEEvent); - callback(thread, context, reason); - context.WriteToOutgoingCommandBuffer(*thread); - return true; - }); if (!writable_event) { // Create event if not provided @@ -62,14 +56,26 @@ std::shared_ptr<WritableEvent> HLERequestContext::SleepClientThread( writable_event = pair.writable; } - const auto readable_event{writable_event->GetReadableEvent()}; - writable_event->Clear(); - thread->SetStatus(ThreadStatus::WaitHLEEvent); - thread->SetSynchronizationObjects({readable_event}); - readable_event->AddWaitingThread(thread); - - if (timeout > 0) { - thread->WakeAfterDelay(timeout); + { + Handle event_handle = InvalidHandle; + SchedulerLockAndSleep lock(kernel, event_handle, thread.get(), timeout); + thread->SetHLECallback( + [context = *this, callback](std::shared_ptr<Thread> thread) mutable -> bool { + ThreadWakeupReason reason = thread->GetSignalingResult() == RESULT_TIMEOUT + ? ThreadWakeupReason::Timeout + : ThreadWakeupReason::Signal; + callback(thread, context, reason); + context.WriteToOutgoingCommandBuffer(*thread); + return true; + }); + const auto readable_event{writable_event->GetReadableEvent()}; + writable_event->Clear(); + thread->SetHLESyncObject(readable_event.get()); + thread->SetStatus(ThreadStatus::WaitHLEEvent); + thread->SetSynchronizationResults(nullptr, RESULT_TIMEOUT); + readable_event->AddWaitingThread(thread); + lock.Release(); + thread->SetHLETimeEvent(event_handle); } is_thread_waiting = true; diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index 7655382fa..1f2af7a1b 100644 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -2,6 +2,7 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include <array> #include <atomic> #include <bitset> #include <functional> @@ -13,11 +14,15 @@ #include "common/assert.h" #include "common/logging/log.h" +#include "common/microprofile.h" +#include "common/thread.h" #include "core/arm/arm_interface.h" +#include "core/arm/cpu_interrupt_handler.h" #include "core/arm/exclusive_monitor.h" #include "core/core.h" #include "core/core_timing.h" #include "core/core_timing_util.h" +#include "core/cpu_manager.h" #include "core/device_memory.h" #include "core/hardware_properties.h" #include "core/hle/kernel/client_port.h" @@ -39,85 +44,28 @@ #include "core/hle/result.h" #include "core/memory.h" -namespace Kernel { - -/** - * Callback that will wake up the thread it was scheduled for - * @param thread_handle The handle of the thread that's been awoken - * @param cycles_late The number of CPU cycles that have passed since the desired wakeup time - */ -static void ThreadWakeupCallback(u64 thread_handle, [[maybe_unused]] s64 cycles_late) { - const auto proper_handle = static_cast<Handle>(thread_handle); - const auto& system = Core::System::GetInstance(); - - // Lock the global kernel mutex when we enter the kernel HLE. - std::lock_guard lock{HLE::g_hle_lock}; - - std::shared_ptr<Thread> thread = - system.Kernel().RetrieveThreadFromGlobalHandleTable(proper_handle); - if (thread == nullptr) { - LOG_CRITICAL(Kernel, "Callback fired for invalid thread {:08X}", proper_handle); - return; - } - - bool resume = true; - - if (thread->GetStatus() == ThreadStatus::WaitSynch || - thread->GetStatus() == ThreadStatus::WaitHLEEvent) { - // Remove the thread from each of its waiting objects' waitlists - for (const auto& object : thread->GetSynchronizationObjects()) { - object->RemoveWaitingThread(thread); - } - thread->ClearSynchronizationObjects(); - - // Invoke the wakeup callback before clearing the wait objects - if (thread->HasWakeupCallback()) { - resume = thread->InvokeWakeupCallback(ThreadWakeupReason::Timeout, thread, nullptr, 0); - } - } else if (thread->GetStatus() == ThreadStatus::WaitMutex || - thread->GetStatus() == ThreadStatus::WaitCondVar) { - thread->SetMutexWaitAddress(0); - thread->SetWaitHandle(0); - if (thread->GetStatus() == ThreadStatus::WaitCondVar) { - thread->GetOwnerProcess()->RemoveConditionVariableThread(thread); - thread->SetCondVarWaitAddress(0); - } - - auto* const lock_owner = thread->GetLockOwner(); - // Threads waking up by timeout from WaitProcessWideKey do not perform priority inheritance - // and don't have a lock owner unless SignalProcessWideKey was called first and the thread - // wasn't awakened due to the mutex already being acquired. - if (lock_owner != nullptr) { - lock_owner->RemoveMutexWaiter(thread); - } - } +MICROPROFILE_DEFINE(Kernel_SVC, "Kernel", "SVC", MP_RGB(70, 200, 70)); - if (thread->GetStatus() == ThreadStatus::WaitArb) { - auto& address_arbiter = thread->GetOwnerProcess()->GetAddressArbiter(); - address_arbiter.HandleWakeupThread(thread); - } - - if (resume) { - if (thread->GetStatus() == ThreadStatus::WaitCondVar || - thread->GetStatus() == ThreadStatus::WaitArb) { - thread->SetWaitSynchronizationResult(RESULT_TIMEOUT); - } - thread->ResumeFromWait(); - } -} +namespace Kernel { struct KernelCore::Impl { explicit Impl(Core::System& system, KernelCore& kernel) : global_scheduler{kernel}, synchronization{system}, time_manager{system}, system{system} {} + void SetMulticore(bool is_multicore) { + this->is_multicore = is_multicore; + } + void Initialize(KernelCore& kernel) { Shutdown(); + RegisterHostThread(); InitializePhysicalCores(); InitializeSystemResourceLimit(kernel); InitializeMemoryLayout(); - InitializeThreads(); - InitializePreemption(); + InitializePreemption(kernel); + InitializeSchedulers(); + InitializeSuspendThreads(); } void Shutdown() { @@ -126,13 +74,26 @@ struct KernelCore::Impl { next_user_process_id = Process::ProcessIDMin; next_thread_id = 1; + for (std::size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) { + if (suspend_threads[i]) { + suspend_threads[i].reset(); + } + } + + for (std::size_t i = 0; i < cores.size(); i++) { + cores[i].Shutdown(); + schedulers[i].reset(); + } + cores.clear(); + + registered_core_threads.reset(); + process_list.clear(); current_process = nullptr; system_resource_limit = nullptr; global_handle_table.Clear(); - thread_wakeup_event_type = nullptr; preemption_event = nullptr; global_scheduler.Shutdown(); @@ -145,13 +106,21 @@ struct KernelCore::Impl { cores.clear(); exclusive_monitor.reset(); + host_thread_ids.clear(); } void InitializePhysicalCores() { exclusive_monitor = Core::MakeExclusiveMonitor(system.Memory(), Core::Hardware::NUM_CPU_CORES); for (std::size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) { - cores.emplace_back(system, i, *exclusive_monitor); + schedulers[i] = std::make_unique<Kernel::Scheduler>(system, i); + cores.emplace_back(system, i, *schedulers[i], interrupts[i]); + } + } + + void InitializeSchedulers() { + for (std::size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) { + cores[i].Scheduler().Initialize(); } } @@ -173,15 +142,13 @@ struct KernelCore::Impl { } } - void InitializeThreads() { - thread_wakeup_event_type = - Core::Timing::CreateEvent("ThreadWakeupCallback", ThreadWakeupCallback); - } - - void InitializePreemption() { - preemption_event = - Core::Timing::CreateEvent("PreemptionCallback", [this](u64 userdata, s64 cycles_late) { - global_scheduler.PreemptThreads(); + void InitializePreemption(KernelCore& kernel) { + preemption_event = Core::Timing::CreateEvent( + "PreemptionCallback", [this, &kernel](u64 userdata, s64 cycles_late) { + { + SchedulerLock lock(kernel); + global_scheduler.PreemptThreads(); + } s64 time_interval = Core::Timing::msToCycles(std::chrono::milliseconds(10)); system.CoreTiming().ScheduleEvent(time_interval, preemption_event); }); @@ -190,6 +157,20 @@ struct KernelCore::Impl { system.CoreTiming().ScheduleEvent(time_interval, preemption_event); } + void InitializeSuspendThreads() { + for (std::size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) { + std::string name = "Suspend Thread Id:" + std::to_string(i); + std::function<void(void*)> init_func = + system.GetCpuManager().GetSuspendThreadStartFunc(); + void* init_func_parameter = system.GetCpuManager().GetStartFuncParamater(); + ThreadType type = + static_cast<ThreadType>(THREADTYPE_KERNEL | THREADTYPE_HLE | THREADTYPE_SUSPEND); + auto thread_res = Thread::Create(system, type, name, 0, 0, 0, static_cast<u32>(i), 0, + nullptr, std::move(init_func), init_func_parameter); + suspend_threads[i] = std::move(thread_res).Unwrap(); + } + } + void MakeCurrentProcess(Process* process) { current_process = process; @@ -197,15 +178,17 @@ struct KernelCore::Impl { return; } - for (auto& core : cores) { - core.SetIs64Bit(process->Is64BitProcess()); + u32 core_id = GetCurrentHostThreadID(); + if (core_id < Core::Hardware::NUM_CPU_CORES) { + system.Memory().SetCurrentPageTable(*process, core_id); } - - system.Memory().SetCurrentPageTable(*process); } void RegisterCoreThread(std::size_t core_id) { std::unique_lock lock{register_thread_mutex}; + if (!is_multicore) { + single_core_thread_id = std::this_thread::get_id(); + } const std::thread::id this_id = std::this_thread::get_id(); const auto it = host_thread_ids.find(this_id); ASSERT(core_id < Core::Hardware::NUM_CPU_CORES); @@ -219,12 +202,19 @@ struct KernelCore::Impl { std::unique_lock lock{register_thread_mutex}; const std::thread::id this_id = std::this_thread::get_id(); const auto it = host_thread_ids.find(this_id); - ASSERT(it == host_thread_ids.end()); + if (it != host_thread_ids.end()) { + return; + } host_thread_ids[this_id] = registered_thread_ids++; } u32 GetCurrentHostThreadID() const { const std::thread::id this_id = std::this_thread::get_id(); + if (!is_multicore) { + if (single_core_thread_id == this_id) { + return static_cast<u32>(system.GetCpuManager().CurrentCore()); + } + } const auto it = host_thread_ids.find(this_id); if (it == host_thread_ids.end()) { return Core::INVALID_HOST_THREAD_ID; @@ -240,7 +230,7 @@ struct KernelCore::Impl { } const Kernel::Scheduler& sched = cores[result.host_handle].Scheduler(); const Kernel::Thread* current = sched.GetCurrentThread(); - if (current != nullptr) { + if (current != nullptr && !current->IsPhantomMode()) { result.guest_handle = current->GetGlobalHandle(); } else { result.guest_handle = InvalidHandle; @@ -313,7 +303,6 @@ struct KernelCore::Impl { std::shared_ptr<ResourceLimit> system_resource_limit; - std::shared_ptr<Core::Timing::EventType> thread_wakeup_event_type; std::shared_ptr<Core::Timing::EventType> preemption_event; // This is the kernel's handle table or supervisor handle table which @@ -343,6 +332,15 @@ struct KernelCore::Impl { std::shared_ptr<Kernel::SharedMemory> irs_shared_mem; std::shared_ptr<Kernel::SharedMemory> time_shared_mem; + std::array<std::shared_ptr<Thread>, Core::Hardware::NUM_CPU_CORES> suspend_threads{}; + std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES> interrupts{}; + std::array<std::unique_ptr<Kernel::Scheduler>, Core::Hardware::NUM_CPU_CORES> schedulers{}; + + bool is_multicore{}; + std::thread::id single_core_thread_id{}; + + std::array<u64, Core::Hardware::NUM_CPU_CORES> svc_ticks{}; + // System context Core::System& system; }; @@ -352,6 +350,10 @@ KernelCore::~KernelCore() { Shutdown(); } +void KernelCore::SetMulticore(bool is_multicore) { + impl->SetMulticore(is_multicore); +} + void KernelCore::Initialize() { impl->Initialize(*this); } @@ -397,11 +399,11 @@ const Kernel::GlobalScheduler& KernelCore::GlobalScheduler() const { } Kernel::Scheduler& KernelCore::Scheduler(std::size_t id) { - return impl->cores[id].Scheduler(); + return *impl->schedulers[id]; } const Kernel::Scheduler& KernelCore::Scheduler(std::size_t id) const { - return impl->cores[id].Scheduler(); + return *impl->schedulers[id]; } Kernel::PhysicalCore& KernelCore::PhysicalCore(std::size_t id) { @@ -412,6 +414,39 @@ const Kernel::PhysicalCore& KernelCore::PhysicalCore(std::size_t id) const { return impl->cores[id]; } +Kernel::PhysicalCore& KernelCore::CurrentPhysicalCore() { + u32 core_id = impl->GetCurrentHostThreadID(); + ASSERT(core_id < Core::Hardware::NUM_CPU_CORES); + return impl->cores[core_id]; +} + +const Kernel::PhysicalCore& KernelCore::CurrentPhysicalCore() const { + u32 core_id = impl->GetCurrentHostThreadID(); + ASSERT(core_id < Core::Hardware::NUM_CPU_CORES); + return impl->cores[core_id]; +} + +Kernel::Scheduler& KernelCore::CurrentScheduler() { + u32 core_id = impl->GetCurrentHostThreadID(); + ASSERT(core_id < Core::Hardware::NUM_CPU_CORES); + return *impl->schedulers[core_id]; +} + +const Kernel::Scheduler& KernelCore::CurrentScheduler() const { + u32 core_id = impl->GetCurrentHostThreadID(); + ASSERT(core_id < Core::Hardware::NUM_CPU_CORES); + return *impl->schedulers[core_id]; +} + +std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES>& KernelCore::Interrupts() { + return impl->interrupts; +} + +const std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES>& KernelCore::Interrupts() + const { + return impl->interrupts; +} + Kernel::Synchronization& KernelCore::Synchronization() { return impl->synchronization; } @@ -437,15 +472,17 @@ const Core::ExclusiveMonitor& KernelCore::GetExclusiveMonitor() const { } void KernelCore::InvalidateAllInstructionCaches() { - for (std::size_t i = 0; i < impl->global_scheduler.CpuCoresCount(); i++) { - PhysicalCore(i).ArmInterface().ClearInstructionCache(); + auto& threads = GlobalScheduler().GetThreadList(); + for (auto& thread : threads) { + if (!thread->IsHLEThread()) { + auto& arm_interface = thread->ArmInterface(); + arm_interface.ClearInstructionCache(); + } } } void KernelCore::PrepareReschedule(std::size_t id) { - if (id < impl->global_scheduler.CpuCoresCount()) { - impl->cores[id].Stop(); - } + // TODO: Reimplement, this } void KernelCore::AddNamedPort(std::string name, std::shared_ptr<ClientPort> port) { @@ -481,10 +518,6 @@ u64 KernelCore::CreateNewUserProcessID() { return impl->next_user_process_id++; } -const std::shared_ptr<Core::Timing::EventType>& KernelCore::ThreadWakeupCallbackEventType() const { - return impl->thread_wakeup_event_type; -} - Kernel::HandleTable& KernelCore::GlobalHandleTable() { return impl->global_handle_table; } @@ -557,4 +590,34 @@ const Kernel::SharedMemory& KernelCore::GetTimeSharedMem() const { return *impl->time_shared_mem; } +void KernelCore::Suspend(bool in_suspention) { + const bool should_suspend = exception_exited || in_suspention; + { + SchedulerLock lock(*this); + ThreadStatus status = should_suspend ? ThreadStatus::Ready : ThreadStatus::WaitSleep; + for (std::size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) { + impl->suspend_threads[i]->SetStatus(status); + } + } +} + +bool KernelCore::IsMulticore() const { + return impl->is_multicore; +} + +void KernelCore::ExceptionalExit() { + exception_exited = true; + Suspend(true); +} + +void KernelCore::EnterSVCProfile() { + std::size_t core = impl->GetCurrentHostThreadID(); + impl->svc_ticks[core] = MicroProfileEnter(MICROPROFILE_TOKEN(Kernel_SVC)); +} + +void KernelCore::ExitSVCProfile() { + std::size_t core = impl->GetCurrentHostThreadID(); + MicroProfileLeave(MICROPROFILE_TOKEN(Kernel_SVC), impl->svc_ticks[core]); +} + } // namespace Kernel diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h index 83de1f542..49bd47e89 100644 --- a/src/core/hle/kernel/kernel.h +++ b/src/core/hle/kernel/kernel.h @@ -4,15 +4,17 @@ #pragma once +#include <array> #include <memory> #include <string> #include <unordered_map> #include <vector> +#include "core/hardware_properties.h" #include "core/hle/kernel/memory/memory_types.h" #include "core/hle/kernel/object.h" namespace Core { -struct EmuThreadHandle; +class CPUInterruptHandler; class ExclusiveMonitor; class System; } // namespace Core @@ -65,6 +67,9 @@ public: KernelCore(KernelCore&&) = delete; KernelCore& operator=(KernelCore&&) = delete; + /// Sets if emulation is multicore or single core, must be set before Initialize + void SetMulticore(bool is_multicore); + /// Resets the kernel to a clean slate for use. void Initialize(); @@ -110,6 +115,18 @@ public: /// Gets the an instance of the respective physical CPU core. const Kernel::PhysicalCore& PhysicalCore(std::size_t id) const; + /// Gets the sole instance of the Scheduler at the current running core. + Kernel::Scheduler& CurrentScheduler(); + + /// Gets the sole instance of the Scheduler at the current running core. + const Kernel::Scheduler& CurrentScheduler() const; + + /// Gets the an instance of the current physical CPU core. + Kernel::PhysicalCore& CurrentPhysicalCore(); + + /// Gets the an instance of the current physical CPU core. + const Kernel::PhysicalCore& CurrentPhysicalCore() const; + /// Gets the an instance of the Synchronization Interface. Kernel::Synchronization& Synchronization(); @@ -129,6 +146,10 @@ public: const Core::ExclusiveMonitor& GetExclusiveMonitor() const; + std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES>& Interrupts(); + + const std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES>& Interrupts() const; + void InvalidateAllInstructionCaches(); /// Adds a port to the named port table @@ -191,6 +212,18 @@ public: /// Gets the shared memory object for Time services. const Kernel::SharedMemory& GetTimeSharedMem() const; + /// Suspend/unsuspend the OS. + void Suspend(bool in_suspention); + + /// Exceptional exit the OS. + void ExceptionalExit(); + + bool IsMulticore() const; + + void EnterSVCProfile(); + + void ExitSVCProfile(); + private: friend class Object; friend class Process; @@ -208,9 +241,6 @@ private: /// Creates a new thread ID, incrementing the internal thread ID counter. u64 CreateNewThreadID(); - /// Retrieves the event type used for thread wakeup callbacks. - const std::shared_ptr<Core::Timing::EventType>& ThreadWakeupCallbackEventType() const; - /// Provides a reference to the global handle table. Kernel::HandleTable& GlobalHandleTable(); @@ -219,6 +249,7 @@ private: struct Impl; std::unique_ptr<Impl> impl; + bool exception_exited{}; }; } // namespace Kernel diff --git a/src/core/hle/kernel/mutex.cpp b/src/core/hle/kernel/mutex.cpp index 7869eb32b..8f6c944d1 100644 --- a/src/core/hle/kernel/mutex.cpp +++ b/src/core/hle/kernel/mutex.cpp @@ -34,8 +34,6 @@ static std::pair<std::shared_ptr<Thread>, u32> GetHighestPriorityMutexWaitingThr if (thread->GetMutexWaitAddress() != mutex_addr) continue; - ASSERT(thread->GetStatus() == ThreadStatus::WaitMutex); - ++num_waiters; if (highest_priority_thread == nullptr || thread->GetPriority() < highest_priority_thread->GetPriority()) { @@ -49,6 +47,7 @@ static std::pair<std::shared_ptr<Thread>, u32> GetHighestPriorityMutexWaitingThr /// Update the mutex owner field of all threads waiting on the mutex to point to the new owner. static void TransferMutexOwnership(VAddr mutex_addr, std::shared_ptr<Thread> current_thread, std::shared_ptr<Thread> new_owner) { + current_thread->RemoveMutexWaiter(new_owner); const auto threads = current_thread->GetMutexWaitingThreads(); for (const auto& thread : threads) { if (thread->GetMutexWaitAddress() != mutex_addr) @@ -72,85 +71,100 @@ ResultCode Mutex::TryAcquire(VAddr address, Handle holding_thread_handle, return ERR_INVALID_ADDRESS; } - const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable(); + auto& kernel = system.Kernel(); std::shared_ptr<Thread> current_thread = - SharedFrom(system.CurrentScheduler().GetCurrentThread()); - std::shared_ptr<Thread> holding_thread = handle_table.Get<Thread>(holding_thread_handle); - std::shared_ptr<Thread> requesting_thread = handle_table.Get<Thread>(requesting_thread_handle); + SharedFrom(kernel.CurrentScheduler().GetCurrentThread()); + { + SchedulerLock lock(kernel); + // The mutex address must be 4-byte aligned + if ((address % sizeof(u32)) != 0) { + return ERR_INVALID_ADDRESS; + } - // TODO(Subv): It is currently unknown if it is possible to lock a mutex in behalf of another - // thread. - ASSERT(requesting_thread == current_thread); + const auto& handle_table = kernel.CurrentProcess()->GetHandleTable(); + std::shared_ptr<Thread> holding_thread = handle_table.Get<Thread>(holding_thread_handle); + std::shared_ptr<Thread> requesting_thread = + handle_table.Get<Thread>(requesting_thread_handle); - const u32 addr_value = system.Memory().Read32(address); + // TODO(Subv): It is currently unknown if it is possible to lock a mutex in behalf of + // another thread. + ASSERT(requesting_thread == current_thread); - // If the mutex isn't being held, just return success. - if (addr_value != (holding_thread_handle | Mutex::MutexHasWaitersFlag)) { - return RESULT_SUCCESS; - } + current_thread->SetSynchronizationResults(nullptr, RESULT_SUCCESS); - if (holding_thread == nullptr) { - LOG_ERROR(Kernel, "Holding thread does not exist! thread_handle={:08X}", - holding_thread_handle); - return ERR_INVALID_HANDLE; - } + const u32 addr_value = system.Memory().Read32(address); + + // If the mutex isn't being held, just return success. + if (addr_value != (holding_thread_handle | Mutex::MutexHasWaitersFlag)) { + return RESULT_SUCCESS; + } - // Wait until the mutex is released - current_thread->SetMutexWaitAddress(address); - current_thread->SetWaitHandle(requesting_thread_handle); + if (holding_thread == nullptr) { + return ERR_INVALID_HANDLE; + } - current_thread->SetStatus(ThreadStatus::WaitMutex); - current_thread->InvalidateWakeupCallback(); + // Wait until the mutex is released + current_thread->SetMutexWaitAddress(address); + current_thread->SetWaitHandle(requesting_thread_handle); - // Update the lock holder thread's priority to prevent priority inversion. - holding_thread->AddMutexWaiter(current_thread); + current_thread->SetStatus(ThreadStatus::WaitMutex); - system.PrepareReschedule(); + // Update the lock holder thread's priority to prevent priority inversion. + holding_thread->AddMutexWaiter(current_thread); + } - return RESULT_SUCCESS; + { + SchedulerLock lock(kernel); + auto* owner = current_thread->GetLockOwner(); + if (owner != nullptr) { + owner->RemoveMutexWaiter(current_thread); + } + } + return current_thread->GetSignalingResult(); } -ResultCode Mutex::Release(VAddr address) { +std::pair<ResultCode, std::shared_ptr<Thread>> Mutex::Unlock(std::shared_ptr<Thread> owner, + VAddr address) { // The mutex address must be 4-byte aligned if ((address % sizeof(u32)) != 0) { LOG_ERROR(Kernel, "Address is not 4-byte aligned! address={:016X}", address); - return ERR_INVALID_ADDRESS; + return {ERR_INVALID_ADDRESS, nullptr}; } - std::shared_ptr<Thread> current_thread = - SharedFrom(system.CurrentScheduler().GetCurrentThread()); - auto [thread, num_waiters] = GetHighestPriorityMutexWaitingThread(current_thread, address); - - // There are no more threads waiting for the mutex, release it completely. - if (thread == nullptr) { + auto [new_owner, num_waiters] = GetHighestPriorityMutexWaitingThread(owner, address); + if (new_owner == nullptr) { system.Memory().Write32(address, 0); - return RESULT_SUCCESS; + return {RESULT_SUCCESS, nullptr}; } - // Transfer the ownership of the mutex from the previous owner to the new one. - TransferMutexOwnership(address, current_thread, thread); - - u32 mutex_value = thread->GetWaitHandle(); - + TransferMutexOwnership(address, owner, new_owner); + u32 mutex_value = new_owner->GetWaitHandle(); if (num_waiters >= 2) { // Notify the guest that there are still some threads waiting for the mutex mutex_value |= Mutex::MutexHasWaitersFlag; } + new_owner->SetSynchronizationResults(nullptr, RESULT_SUCCESS); + new_owner->SetLockOwner(nullptr); + new_owner->ResumeFromWait(); - // Grant the mutex to the next waiting thread and resume it. system.Memory().Write32(address, mutex_value); + return {RESULT_SUCCESS, new_owner}; +} - ASSERT(thread->GetStatus() == ThreadStatus::WaitMutex); - thread->ResumeFromWait(); +ResultCode Mutex::Release(VAddr address) { + auto& kernel = system.Kernel(); + SchedulerLock lock(kernel); - thread->SetLockOwner(nullptr); - thread->SetCondVarWaitAddress(0); - thread->SetMutexWaitAddress(0); - thread->SetWaitHandle(0); - thread->SetWaitSynchronizationResult(RESULT_SUCCESS); + std::shared_ptr<Thread> current_thread = + SharedFrom(kernel.CurrentScheduler().GetCurrentThread()); - system.PrepareReschedule(); + auto [result, new_owner] = Unlock(current_thread, address); - return RESULT_SUCCESS; + if (result != RESULT_SUCCESS && new_owner != nullptr) { + new_owner->SetSynchronizationResults(nullptr, result); + } + + return result; } + } // namespace Kernel diff --git a/src/core/hle/kernel/mutex.h b/src/core/hle/kernel/mutex.h index b904de2e8..3b81dc3df 100644 --- a/src/core/hle/kernel/mutex.h +++ b/src/core/hle/kernel/mutex.h @@ -28,6 +28,10 @@ public: ResultCode TryAcquire(VAddr address, Handle holding_thread_handle, Handle requesting_thread_handle); + /// Unlocks a mutex for owner at address + std::pair<ResultCode, std::shared_ptr<Thread>> Unlock(std::shared_ptr<Thread> owner, + VAddr address); + /// Releases the mutex at the specified address. ResultCode Release(VAddr address); diff --git a/src/core/hle/kernel/physical_core.cpp b/src/core/hle/kernel/physical_core.cpp index a15011076..c6bbdb080 100644 --- a/src/core/hle/kernel/physical_core.cpp +++ b/src/core/hle/kernel/physical_core.cpp @@ -2,12 +2,15 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include "common/assert.h" #include "common/logging/log.h" +#include "common/spin_lock.h" #include "core/arm/arm_interface.h" #ifdef ARCHITECTURE_x86_64 #include "core/arm/dynarmic/arm_dynarmic_32.h" #include "core/arm/dynarmic/arm_dynarmic_64.h" #endif +#include "core/arm/cpu_interrupt_handler.h" #include "core/arm/exclusive_monitor.h" #include "core/arm/unicorn/arm_unicorn.h" #include "core/core.h" @@ -17,50 +20,37 @@ namespace Kernel { -PhysicalCore::PhysicalCore(Core::System& system, std::size_t id, - Core::ExclusiveMonitor& exclusive_monitor) - : core_index{id} { -#ifdef ARCHITECTURE_x86_64 - arm_interface_32 = - std::make_unique<Core::ARM_Dynarmic_32>(system, exclusive_monitor, core_index); - arm_interface_64 = - std::make_unique<Core::ARM_Dynarmic_64>(system, exclusive_monitor, core_index); - -#else - using Core::ARM_Unicorn; - arm_interface_32 = std::make_unique<ARM_Unicorn>(system, ARM_Unicorn::Arch::AArch32); - arm_interface_64 = std::make_unique<ARM_Unicorn>(system, ARM_Unicorn::Arch::AArch64); - LOG_WARNING(Core, "CPU JIT requested, but Dynarmic not available"); -#endif +PhysicalCore::PhysicalCore(Core::System& system, std::size_t id, Kernel::Scheduler& scheduler, + Core::CPUInterruptHandler& interrupt_handler) + : interrupt_handler{interrupt_handler}, core_index{id}, scheduler{scheduler} { - scheduler = std::make_unique<Kernel::Scheduler>(system, core_index); + guard = std::make_unique<Common::SpinLock>(); } PhysicalCore::~PhysicalCore() = default; -void PhysicalCore::Run() { - arm_interface->Run(); - arm_interface->ClearExclusiveState(); +void PhysicalCore::Idle() { + interrupt_handler.AwaitInterrupt(); } -void PhysicalCore::Step() { - arm_interface->Step(); +void PhysicalCore::Shutdown() { + scheduler.Shutdown(); } -void PhysicalCore::Stop() { - arm_interface->PrepareReschedule(); +bool PhysicalCore::IsInterrupted() const { + return interrupt_handler.IsInterrupted(); } -void PhysicalCore::Shutdown() { - scheduler->Shutdown(); +void PhysicalCore::Interrupt() { + guard->lock(); + interrupt_handler.SetInterrupt(true); + guard->unlock(); } -void PhysicalCore::SetIs64Bit(bool is_64_bit) { - if (is_64_bit) { - arm_interface = arm_interface_64.get(); - } else { - arm_interface = arm_interface_32.get(); - } +void PhysicalCore::ClearInterrupt() { + guard->lock(); + interrupt_handler.SetInterrupt(false); + guard->unlock(); } } // namespace Kernel diff --git a/src/core/hle/kernel/physical_core.h b/src/core/hle/kernel/physical_core.h index 3269166be..d7a7a951c 100644 --- a/src/core/hle/kernel/physical_core.h +++ b/src/core/hle/kernel/physical_core.h @@ -7,12 +7,17 @@ #include <cstddef> #include <memory> +namespace Common { +class SpinLock; +} + namespace Kernel { class Scheduler; } // namespace Kernel namespace Core { class ARM_Interface; +class CPUInterruptHandler; class ExclusiveMonitor; class System; } // namespace Core @@ -21,7 +26,8 @@ namespace Kernel { class PhysicalCore { public: - PhysicalCore(Core::System& system, std::size_t id, Core::ExclusiveMonitor& exclusive_monitor); + PhysicalCore(Core::System& system, std::size_t id, Kernel::Scheduler& scheduler, + Core::CPUInterruptHandler& interrupt_handler); ~PhysicalCore(); PhysicalCore(const PhysicalCore&) = delete; @@ -30,23 +36,18 @@ public: PhysicalCore(PhysicalCore&&) = default; PhysicalCore& operator=(PhysicalCore&&) = default; - /// Execute current jit state - void Run(); - /// Execute a single instruction in current jit. - void Step(); - /// Stop JIT execution/exit - void Stop(); + void Idle(); + /// Interrupt this physical core. + void Interrupt(); - // Shutdown this physical core. - void Shutdown(); + /// Clear this core's interrupt + void ClearInterrupt(); - Core::ARM_Interface& ArmInterface() { - return *arm_interface; - } + /// Check if this core is interrupted + bool IsInterrupted() const; - const Core::ARM_Interface& ArmInterface() const { - return *arm_interface; - } + // Shutdown this physical core. + void Shutdown(); bool IsMainCore() const { return core_index == 0; @@ -61,21 +62,18 @@ public: } Kernel::Scheduler& Scheduler() { - return *scheduler; + return scheduler; } const Kernel::Scheduler& Scheduler() const { - return *scheduler; + return scheduler; } - void SetIs64Bit(bool is_64_bit); - private: + Core::CPUInterruptHandler& interrupt_handler; std::size_t core_index; - std::unique_ptr<Core::ARM_Interface> arm_interface_32; - std::unique_ptr<Core::ARM_Interface> arm_interface_64; - std::unique_ptr<Kernel::Scheduler> scheduler; - Core::ARM_Interface* arm_interface{}; + Kernel::Scheduler& scheduler; + std::unique_ptr<Common::SpinLock> guard; }; } // namespace Kernel diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp index c4c5199b1..f9d7c024d 100644 --- a/src/core/hle/kernel/process.cpp +++ b/src/core/hle/kernel/process.cpp @@ -22,6 +22,7 @@ #include "core/hle/kernel/resource_limit.h" #include "core/hle/kernel/scheduler.h" #include "core/hle/kernel/thread.h" +#include "core/hle/lock.h" #include "core/memory.h" #include "core/settings.h" @@ -30,14 +31,15 @@ namespace { /** * Sets up the primary application thread * + * @param system The system instance to create the main thread under. * @param owner_process The parent process for the main thread - * @param kernel The kernel instance to create the main thread under. * @param priority The priority to give the main thread */ -void SetupMainThread(Process& owner_process, KernelCore& kernel, u32 priority, VAddr stack_top) { +void SetupMainThread(Core::System& system, Process& owner_process, u32 priority, VAddr stack_top) { const VAddr entry_point = owner_process.PageTable().GetCodeRegionStart(); - auto thread_res = Thread::Create(kernel, "main", entry_point, priority, 0, - owner_process.GetIdealCore(), stack_top, owner_process); + ThreadType type = THREADTYPE_USER; + auto thread_res = Thread::Create(system, type, "main", entry_point, priority, 0, + owner_process.GetIdealCore(), stack_top, &owner_process); std::shared_ptr<Thread> thread = std::move(thread_res).Unwrap(); @@ -48,8 +50,12 @@ void SetupMainThread(Process& owner_process, KernelCore& kernel, u32 priority, V thread->GetContext32().cpu_registers[1] = thread_handle; thread->GetContext64().cpu_registers[1] = thread_handle; + auto& kernel = system.Kernel(); // Threads by default are dormant, wake up the main thread so it runs when the scheduler fires - thread->ResumeFromWait(); + { + SchedulerLock lock{kernel}; + thread->SetStatus(ThreadStatus::Ready); + } } } // Anonymous namespace @@ -182,7 +188,6 @@ void Process::RemoveConditionVariableThread(std::shared_ptr<Thread> thread) { } ++it; } - UNREACHABLE(); } std::vector<std::shared_ptr<Thread>> Process::GetConditionVariableThreads( @@ -207,6 +212,7 @@ void Process::UnregisterThread(const Thread* thread) { } ResultCode Process::ClearSignalState() { + SchedulerLock lock(system.Kernel()); if (status == ProcessStatus::Exited) { LOG_ERROR(Kernel, "called on a terminated process instance."); return ERR_INVALID_STATE; @@ -294,7 +300,7 @@ void Process::Run(s32 main_thread_priority, u64 stack_size) { ChangeStatus(ProcessStatus::Running); - SetupMainThread(*this, kernel, main_thread_priority, main_thread_stack_top); + SetupMainThread(system, *this, main_thread_priority, main_thread_stack_top); resource_limit->Reserve(ResourceType::Threads, 1); resource_limit->Reserve(ResourceType::PhysicalMemory, main_thread_stack_size); } @@ -340,6 +346,7 @@ static auto FindTLSPageWithAvailableSlots(std::vector<TLSPage>& tls_pages) { } VAddr Process::CreateTLSRegion() { + SchedulerLock lock(system.Kernel()); if (auto tls_page_iter{FindTLSPageWithAvailableSlots(tls_pages)}; tls_page_iter != tls_pages.cend()) { return *tls_page_iter->ReserveSlot(); @@ -370,6 +377,7 @@ VAddr Process::CreateTLSRegion() { } void Process::FreeTLSRegion(VAddr tls_address) { + SchedulerLock lock(system.Kernel()); const VAddr aligned_address = Common::AlignDown(tls_address, Core::Memory::PAGE_SIZE); auto iter = std::find_if(tls_pages.begin(), tls_pages.end(), [aligned_address](const auto& page) { @@ -384,6 +392,7 @@ void Process::FreeTLSRegion(VAddr tls_address) { } void Process::LoadModule(CodeSet code_set, VAddr base_addr) { + std::lock_guard lock{HLE::g_hle_lock}; const auto ReprotectSegment = [&](const CodeSet::Segment& segment, Memory::MemoryPermission permission) { page_table->SetCodeMemoryPermission(segment.addr + base_addr, segment.size, permission); diff --git a/src/core/hle/kernel/readable_event.cpp b/src/core/hle/kernel/readable_event.cpp index ef5e19e63..6e286419e 100644 --- a/src/core/hle/kernel/readable_event.cpp +++ b/src/core/hle/kernel/readable_event.cpp @@ -6,8 +6,10 @@ #include "common/assert.h" #include "common/logging/log.h" #include "core/hle/kernel/errors.h" +#include "core/hle/kernel/kernel.h" #include "core/hle/kernel/object.h" #include "core/hle/kernel/readable_event.h" +#include "core/hle/kernel/scheduler.h" #include "core/hle/kernel/thread.h" namespace Kernel { @@ -37,6 +39,7 @@ void ReadableEvent::Clear() { } ResultCode ReadableEvent::Reset() { + SchedulerLock lock(kernel); if (!is_signaled) { LOG_TRACE(Kernel, "Handle is not signaled! object_id={}, object_type={}, object_name={}", GetObjectId(), GetTypeName(), GetName()); diff --git a/src/core/hle/kernel/scheduler.cpp b/src/core/hle/kernel/scheduler.cpp index 1140c72a3..2b12c0dbf 100644 --- a/src/core/hle/kernel/scheduler.cpp +++ b/src/core/hle/kernel/scheduler.cpp @@ -11,11 +11,15 @@ #include <utility> #include "common/assert.h" +#include "common/bit_util.h" +#include "common/fiber.h" #include "common/logging/log.h" #include "core/arm/arm_interface.h" #include "core/core.h" #include "core/core_timing.h" +#include "core/cpu_manager.h" #include "core/hle/kernel/kernel.h" +#include "core/hle/kernel/physical_core.h" #include "core/hle/kernel/process.h" #include "core/hle/kernel/scheduler.h" #include "core/hle/kernel/time_manager.h" @@ -27,103 +31,151 @@ GlobalScheduler::GlobalScheduler(KernelCore& kernel) : kernel{kernel} {} GlobalScheduler::~GlobalScheduler() = default; void GlobalScheduler::AddThread(std::shared_ptr<Thread> thread) { + global_list_guard.lock(); thread_list.push_back(std::move(thread)); + global_list_guard.unlock(); } void GlobalScheduler::RemoveThread(std::shared_ptr<Thread> thread) { + global_list_guard.lock(); thread_list.erase(std::remove(thread_list.begin(), thread_list.end(), thread), thread_list.end()); + global_list_guard.unlock(); } -void GlobalScheduler::UnloadThread(std::size_t core) { - Scheduler& sched = kernel.Scheduler(core); - sched.UnloadThread(); -} - -void GlobalScheduler::SelectThread(std::size_t core) { +u32 GlobalScheduler::SelectThreads() { + ASSERT(is_locked); const auto update_thread = [](Thread* thread, Scheduler& sched) { - if (thread != sched.selected_thread.get()) { + sched.guard.lock(); + if (thread != sched.selected_thread_set.get()) { if (thread == nullptr) { ++sched.idle_selection_count; } - sched.selected_thread = SharedFrom(thread); + sched.selected_thread_set = SharedFrom(thread); } - sched.is_context_switch_pending = sched.selected_thread != sched.current_thread; + const bool reschedule_pending = + sched.is_context_switch_pending || (sched.selected_thread_set != sched.current_thread); + sched.is_context_switch_pending = reschedule_pending; std::atomic_thread_fence(std::memory_order_seq_cst); + sched.guard.unlock(); + return reschedule_pending; }; - Scheduler& sched = kernel.Scheduler(core); - Thread* current_thread = nullptr; - // Step 1: Get top thread in schedule queue. - current_thread = scheduled_queue[core].empty() ? nullptr : scheduled_queue[core].front(); - if (current_thread) { - update_thread(current_thread, sched); - return; + if (!is_reselection_pending.load()) { + return 0; } - // Step 2: Try selecting a suggested thread. - Thread* winner = nullptr; - std::set<s32> sug_cores; - for (auto thread : suggested_queue[core]) { - s32 this_core = thread->GetProcessorID(); - Thread* thread_on_core = nullptr; - if (this_core >= 0) { - thread_on_core = scheduled_queue[this_core].front(); - } - if (this_core < 0 || thread != thread_on_core) { - winner = thread; - break; + std::array<Thread*, Core::Hardware::NUM_CPU_CORES> top_threads{}; + + u32 idle_cores{}; + + // Step 1: Get top thread in schedule queue. + for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { + Thread* top_thread = + scheduled_queue[core].empty() ? nullptr : scheduled_queue[core].front(); + if (top_thread != nullptr) { + // TODO(Blinkhawk): Implement Thread Pinning + } else { + idle_cores |= (1ul << core); } - sug_cores.insert(this_core); + top_threads[core] = top_thread; } - // if we got a suggested thread, select it, else do a second pass. - if (winner && winner->GetPriority() > 2) { - if (winner->IsRunning()) { - UnloadThread(static_cast<u32>(winner->GetProcessorID())); + + while (idle_cores != 0) { + u32 core_id = Common::CountTrailingZeroes32(idle_cores); + + if (!suggested_queue[core_id].empty()) { + std::array<s32, Core::Hardware::NUM_CPU_CORES> migration_candidates{}; + std::size_t num_candidates = 0; + auto iter = suggested_queue[core_id].begin(); + Thread* suggested = nullptr; + // Step 2: Try selecting a suggested thread. + while (iter != suggested_queue[core_id].end()) { + suggested = *iter; + iter++; + s32 suggested_core_id = suggested->GetProcessorID(); + Thread* top_thread = + suggested_core_id >= 0 ? top_threads[suggested_core_id] : nullptr; + if (top_thread != suggested) { + if (top_thread != nullptr && + top_thread->GetPriority() < THREADPRIO_MAX_CORE_MIGRATION) { + suggested = nullptr; + break; + // There's a too high thread to do core migration, cancel + } + TransferToCore(suggested->GetPriority(), static_cast<s32>(core_id), suggested); + break; + } + suggested = nullptr; + migration_candidates[num_candidates++] = suggested_core_id; + } + // Step 3: Select a suggested thread from another core + if (suggested == nullptr) { + for (std::size_t i = 0; i < num_candidates; i++) { + s32 candidate_core = migration_candidates[i]; + suggested = top_threads[candidate_core]; + auto it = scheduled_queue[candidate_core].begin(); + it++; + Thread* next = it != scheduled_queue[candidate_core].end() ? *it : nullptr; + if (next != nullptr) { + TransferToCore(suggested->GetPriority(), static_cast<s32>(core_id), + suggested); + top_threads[candidate_core] = next; + break; + } else { + suggested = nullptr; + } + } + } + top_threads[core_id] = suggested; } - TransferToCore(winner->GetPriority(), static_cast<s32>(core), winner); - update_thread(winner, sched); - return; + + idle_cores &= ~(1ul << core_id); } - // Step 3: Select a suggested thread from another core - for (auto& src_core : sug_cores) { - auto it = scheduled_queue[src_core].begin(); - it++; - if (it != scheduled_queue[src_core].end()) { - Thread* thread_on_core = scheduled_queue[src_core].front(); - Thread* to_change = *it; - if (thread_on_core->IsRunning() || to_change->IsRunning()) { - UnloadThread(static_cast<u32>(src_core)); - } - TransferToCore(thread_on_core->GetPriority(), static_cast<s32>(core), thread_on_core); - current_thread = thread_on_core; - break; + u32 cores_needing_context_switch{}; + for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { + Scheduler& sched = kernel.Scheduler(core); + ASSERT(top_threads[core] == nullptr || top_threads[core]->GetProcessorID() == core); + if (update_thread(top_threads[core], sched)) { + cores_needing_context_switch |= (1ul << core); } } - update_thread(current_thread, sched); + return cores_needing_context_switch; } bool GlobalScheduler::YieldThread(Thread* yielding_thread) { + ASSERT(is_locked); // Note: caller should use critical section, etc. + if (!yielding_thread->IsRunnable()) { + // Normally this case shouldn't happen except for SetThreadActivity. + is_reselection_pending.store(true, std::memory_order_release); + return false; + } const u32 core_id = static_cast<u32>(yielding_thread->GetProcessorID()); const u32 priority = yielding_thread->GetPriority(); // Yield the thread - const Thread* const winner = scheduled_queue[core_id].front(priority); - ASSERT_MSG(yielding_thread == winner, "Thread yielding without being in front"); - scheduled_queue[core_id].yield(priority); + Reschedule(priority, core_id, yielding_thread); + const Thread* const winner = scheduled_queue[core_id].front(); + if (kernel.GetCurrentHostThreadID() != core_id) { + is_reselection_pending.store(true, std::memory_order_release); + } return AskForReselectionOrMarkRedundant(yielding_thread, winner); } bool GlobalScheduler::YieldThreadAndBalanceLoad(Thread* yielding_thread) { + ASSERT(is_locked); // Note: caller should check if !thread.IsSchedulerOperationRedundant and use critical section, // etc. + if (!yielding_thread->IsRunnable()) { + // Normally this case shouldn't happen except for SetThreadActivity. + is_reselection_pending.store(true, std::memory_order_release); + return false; + } const u32 core_id = static_cast<u32>(yielding_thread->GetProcessorID()); const u32 priority = yielding_thread->GetPriority(); // Yield the thread - ASSERT_MSG(yielding_thread == scheduled_queue[core_id].front(priority), - "Thread yielding without being in front"); - scheduled_queue[core_id].yield(priority); + Reschedule(priority, core_id, yielding_thread); std::array<Thread*, Core::Hardware::NUM_CPU_CORES> current_threads; for (std::size_t i = 0; i < current_threads.size(); i++) { @@ -153,21 +205,28 @@ bool GlobalScheduler::YieldThreadAndBalanceLoad(Thread* yielding_thread) { if (winner != nullptr) { if (winner != yielding_thread) { - if (winner->IsRunning()) { - UnloadThread(static_cast<u32>(winner->GetProcessorID())); - } TransferToCore(winner->GetPriority(), s32(core_id), winner); } } else { winner = next_thread; } + if (kernel.GetCurrentHostThreadID() != core_id) { + is_reselection_pending.store(true, std::memory_order_release); + } + return AskForReselectionOrMarkRedundant(yielding_thread, winner); } bool GlobalScheduler::YieldThreadAndWaitForLoadBalancing(Thread* yielding_thread) { + ASSERT(is_locked); // Note: caller should check if !thread.IsSchedulerOperationRedundant and use critical section, // etc. + if (!yielding_thread->IsRunnable()) { + // Normally this case shouldn't happen except for SetThreadActivity. + is_reselection_pending.store(true, std::memory_order_release); + return false; + } Thread* winner = nullptr; const u32 core_id = static_cast<u32>(yielding_thread->GetProcessorID()); @@ -195,25 +254,31 @@ bool GlobalScheduler::YieldThreadAndWaitForLoadBalancing(Thread* yielding_thread } if (winner != nullptr) { if (winner != yielding_thread) { - if (winner->IsRunning()) { - UnloadThread(static_cast<u32>(winner->GetProcessorID())); - } TransferToCore(winner->GetPriority(), static_cast<s32>(core_id), winner); } } else { winner = yielding_thread; } + } else { + winner = scheduled_queue[core_id].front(); + } + + if (kernel.GetCurrentHostThreadID() != core_id) { + is_reselection_pending.store(true, std::memory_order_release); } return AskForReselectionOrMarkRedundant(yielding_thread, winner); } void GlobalScheduler::PreemptThreads() { + ASSERT(is_locked); for (std::size_t core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) { const u32 priority = preemption_priorities[core_id]; if (scheduled_queue[core_id].size(priority) > 0) { - scheduled_queue[core_id].front(priority)->IncrementYieldCount(); + if (scheduled_queue[core_id].size(priority) > 1) { + scheduled_queue[core_id].front(priority)->IncrementYieldCount(); + } scheduled_queue[core_id].yield(priority); if (scheduled_queue[core_id].size(priority) > 1) { scheduled_queue[core_id].front(priority)->IncrementYieldCount(); @@ -247,9 +312,6 @@ void GlobalScheduler::PreemptThreads() { } if (winner != nullptr) { - if (winner->IsRunning()) { - UnloadThread(static_cast<u32>(winner->GetProcessorID())); - } TransferToCore(winner->GetPriority(), s32(core_id), winner); current_thread = winner->GetPriority() <= current_thread->GetPriority() ? winner : current_thread; @@ -280,9 +342,6 @@ void GlobalScheduler::PreemptThreads() { } if (winner != nullptr) { - if (winner->IsRunning()) { - UnloadThread(static_cast<u32>(winner->GetProcessorID())); - } TransferToCore(winner->GetPriority(), s32(core_id), winner); current_thread = winner; } @@ -292,34 +351,65 @@ void GlobalScheduler::PreemptThreads() { } } +void GlobalScheduler::EnableInterruptAndSchedule(u32 cores_pending_reschedule, + Core::EmuThreadHandle global_thread) { + u32 current_core = global_thread.host_handle; + bool must_context_switch = global_thread.guest_handle != InvalidHandle && + (current_core < Core::Hardware::NUM_CPU_CORES); + while (cores_pending_reschedule != 0) { + u32 core = Common::CountTrailingZeroes32(cores_pending_reschedule); + ASSERT(core < Core::Hardware::NUM_CPU_CORES); + if (!must_context_switch || core != current_core) { + auto& phys_core = kernel.PhysicalCore(core); + phys_core.Interrupt(); + } else { + must_context_switch = true; + } + cores_pending_reschedule &= ~(1ul << core); + } + if (must_context_switch) { + auto& core_scheduler = kernel.CurrentScheduler(); + kernel.ExitSVCProfile(); + core_scheduler.TryDoContextSwitch(); + kernel.EnterSVCProfile(); + } +} + void GlobalScheduler::Suggest(u32 priority, std::size_t core, Thread* thread) { + ASSERT(is_locked); suggested_queue[core].add(thread, priority); } void GlobalScheduler::Unsuggest(u32 priority, std::size_t core, Thread* thread) { + ASSERT(is_locked); suggested_queue[core].remove(thread, priority); } void GlobalScheduler::Schedule(u32 priority, std::size_t core, Thread* thread) { + ASSERT(is_locked); ASSERT_MSG(thread->GetProcessorID() == s32(core), "Thread must be assigned to this core."); scheduled_queue[core].add(thread, priority); } void GlobalScheduler::SchedulePrepend(u32 priority, std::size_t core, Thread* thread) { + ASSERT(is_locked); ASSERT_MSG(thread->GetProcessorID() == s32(core), "Thread must be assigned to this core."); scheduled_queue[core].add(thread, priority, false); } void GlobalScheduler::Reschedule(u32 priority, std::size_t core, Thread* thread) { + ASSERT(is_locked); scheduled_queue[core].remove(thread, priority); scheduled_queue[core].add(thread, priority); } void GlobalScheduler::Unschedule(u32 priority, std::size_t core, Thread* thread) { + ASSERT(is_locked); scheduled_queue[core].remove(thread, priority); } void GlobalScheduler::TransferToCore(u32 priority, s32 destination_core, Thread* thread) { + ASSERT(is_locked); const bool schedulable = thread->GetPriority() < THREADPRIO_COUNT; const s32 source_core = thread->GetProcessorID(); if (source_core == destination_core || !schedulable) { @@ -349,6 +439,108 @@ bool GlobalScheduler::AskForReselectionOrMarkRedundant(Thread* current_thread, } } +void GlobalScheduler::AdjustSchedulingOnStatus(Thread* thread, u32 old_flags) { + if (old_flags == thread->scheduling_state) { + return; + } + ASSERT(is_locked); + + if (old_flags == static_cast<u32>(ThreadSchedStatus::Runnable)) { + // In this case the thread was running, now it's pausing/exitting + if (thread->processor_id >= 0) { + Unschedule(thread->current_priority, static_cast<u32>(thread->processor_id), thread); + } + + for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { + if (core != static_cast<u32>(thread->processor_id) && + ((thread->affinity_mask >> core) & 1) != 0) { + Unsuggest(thread->current_priority, core, thread); + } + } + } else if (thread->scheduling_state == static_cast<u32>(ThreadSchedStatus::Runnable)) { + // The thread is now set to running from being stopped + if (thread->processor_id >= 0) { + Schedule(thread->current_priority, static_cast<u32>(thread->processor_id), thread); + } + + for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { + if (core != static_cast<u32>(thread->processor_id) && + ((thread->affinity_mask >> core) & 1) != 0) { + Suggest(thread->current_priority, core, thread); + } + } + } + + SetReselectionPending(); +} + +void GlobalScheduler::AdjustSchedulingOnPriority(Thread* thread, u32 old_priority) { + if (thread->scheduling_state != static_cast<u32>(ThreadSchedStatus::Runnable)) { + return; + } + ASSERT(is_locked); + if (thread->processor_id >= 0) { + Unschedule(old_priority, static_cast<u32>(thread->processor_id), thread); + } + + for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { + if (core != static_cast<u32>(thread->processor_id) && + ((thread->affinity_mask >> core) & 1) != 0) { + Unsuggest(old_priority, core, thread); + } + } + + if (thread->processor_id >= 0) { + if (thread == kernel.CurrentScheduler().GetCurrentThread()) { + SchedulePrepend(thread->current_priority, static_cast<u32>(thread->processor_id), + thread); + } else { + Schedule(thread->current_priority, static_cast<u32>(thread->processor_id), thread); + } + } + + for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { + if (core != static_cast<u32>(thread->processor_id) && + ((thread->affinity_mask >> core) & 1) != 0) { + Suggest(thread->current_priority, core, thread); + } + } + thread->IncrementYieldCount(); + SetReselectionPending(); +} + +void GlobalScheduler::AdjustSchedulingOnAffinity(Thread* thread, u64 old_affinity_mask, + s32 old_core) { + if (thread->scheduling_state != static_cast<u32>(ThreadSchedStatus::Runnable) || + thread->current_priority >= THREADPRIO_COUNT) { + return; + } + ASSERT(is_locked); + + for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { + if (((old_affinity_mask >> core) & 1) != 0) { + if (core == static_cast<u32>(old_core)) { + Unschedule(thread->current_priority, core, thread); + } else { + Unsuggest(thread->current_priority, core, thread); + } + } + } + + for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { + if (((thread->affinity_mask >> core) & 1) != 0) { + if (core == static_cast<u32>(thread->processor_id)) { + Schedule(thread->current_priority, core, thread); + } else { + Suggest(thread->current_priority, core, thread); + } + } + } + + thread->IncrementYieldCount(); + SetReselectionPending(); +} + void GlobalScheduler::Shutdown() { for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { scheduled_queue[core].clear(); @@ -359,10 +551,12 @@ void GlobalScheduler::Shutdown() { void GlobalScheduler::Lock() { Core::EmuThreadHandle current_thread = kernel.GetCurrentEmuThreadID(); + ASSERT(!current_thread.IsInvalid()); if (current_thread == current_owner) { ++scope_lock; } else { inner_lock.lock(); + is_locked = true; current_owner = current_thread; ASSERT(current_owner != Core::EmuThreadHandle::InvalidHandle()); scope_lock = 1; @@ -374,17 +568,18 @@ void GlobalScheduler::Unlock() { ASSERT(scope_lock > 0); return; } - for (std::size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) { - SelectThread(i); - } + u32 cores_pending_reschedule = SelectThreads(); + Core::EmuThreadHandle leaving_thread = current_owner; current_owner = Core::EmuThreadHandle::InvalidHandle(); scope_lock = 1; + is_locked = false; inner_lock.unlock(); - // TODO(Blinkhawk): Setup the interrupts and change context on current core. + EnableInterruptAndSchedule(cores_pending_reschedule, leaving_thread); } -Scheduler::Scheduler(Core::System& system, std::size_t core_id) - : system{system}, core_id{core_id} {} +Scheduler::Scheduler(Core::System& system, std::size_t core_id) : system(system), core_id(core_id) { + switch_fiber = std::make_shared<Common::Fiber>(std::function<void(void*)>(OnSwitch), this); +} Scheduler::~Scheduler() = default; @@ -393,56 +588,128 @@ bool Scheduler::HaveReadyThreads() const { } Thread* Scheduler::GetCurrentThread() const { - return current_thread.get(); + if (current_thread) { + return current_thread.get(); + } + return idle_thread.get(); } Thread* Scheduler::GetSelectedThread() const { return selected_thread.get(); } -void Scheduler::SelectThreads() { - system.GlobalScheduler().SelectThread(core_id); -} - u64 Scheduler::GetLastContextSwitchTicks() const { return last_context_switch_time; } void Scheduler::TryDoContextSwitch() { + auto& phys_core = system.Kernel().CurrentPhysicalCore(); + if (phys_core.IsInterrupted()) { + phys_core.ClearInterrupt(); + } + guard.lock(); if (is_context_switch_pending) { SwitchContext(); + } else { + guard.unlock(); } } -void Scheduler::UnloadThread() { - Thread* const previous_thread = GetCurrentThread(); - Process* const previous_process = system.Kernel().CurrentProcess(); +void Scheduler::OnThreadStart() { + SwitchContextStep2(); +} - UpdateLastContextSwitchTime(previous_thread, previous_process); +void Scheduler::Unload() { + Thread* thread = current_thread.get(); + if (thread) { + thread->SetContinuousOnSVC(false); + thread->last_running_ticks = system.CoreTiming().GetCPUTicks(); + thread->SetIsRunning(false); + if (!thread->IsHLEThread() && !thread->HasExited()) { + Core::ARM_Interface& cpu_core = thread->ArmInterface(); + cpu_core.SaveContext(thread->GetContext32()); + cpu_core.SaveContext(thread->GetContext64()); + // Save the TPIDR_EL0 system register in case it was modified. + thread->SetTPIDR_EL0(cpu_core.GetTPIDR_EL0()); + cpu_core.ClearExclusiveState(); + } + thread->context_guard.unlock(); + } +} - // Save context for previous thread - if (previous_thread) { - system.ArmInterface(core_id).SaveContext(previous_thread->GetContext32()); - system.ArmInterface(core_id).SaveContext(previous_thread->GetContext64()); - // Save the TPIDR_EL0 system register in case it was modified. - previous_thread->SetTPIDR_EL0(system.ArmInterface(core_id).GetTPIDR_EL0()); +void Scheduler::Reload() { + Thread* thread = current_thread.get(); + if (thread) { + ASSERT_MSG(thread->GetSchedulingStatus() == ThreadSchedStatus::Runnable, + "Thread must be runnable."); - if (previous_thread->GetStatus() == ThreadStatus::Running) { - // This is only the case when a reschedule is triggered without the current thread - // yielding execution (i.e. an event triggered, system core time-sliced, etc) - previous_thread->SetStatus(ThreadStatus::Ready); + // Cancel any outstanding wakeup events for this thread + thread->SetIsRunning(true); + thread->SetWasRunning(false); + thread->last_running_ticks = system.CoreTiming().GetCPUTicks(); + + auto* const thread_owner_process = thread->GetOwnerProcess(); + if (thread_owner_process != nullptr) { + system.Kernel().MakeCurrentProcess(thread_owner_process); + } + if (!thread->IsHLEThread()) { + Core::ARM_Interface& cpu_core = thread->ArmInterface(); + cpu_core.LoadContext(thread->GetContext32()); + cpu_core.LoadContext(thread->GetContext64()); + cpu_core.SetTlsAddress(thread->GetTLSAddress()); + cpu_core.SetTPIDR_EL0(thread->GetTPIDR_EL0()); + cpu_core.ChangeProcessorID(this->core_id); + cpu_core.ClearExclusiveState(); } - previous_thread->SetIsRunning(false); } - current_thread = nullptr; +} + +void Scheduler::SwitchContextStep2() { + Thread* previous_thread = current_thread_prev.get(); + Thread* new_thread = selected_thread.get(); + + // Load context of new thread + Process* const previous_process = + previous_thread != nullptr ? previous_thread->GetOwnerProcess() : nullptr; + + if (new_thread) { + ASSERT_MSG(new_thread->GetSchedulingStatus() == ThreadSchedStatus::Runnable, + "Thread must be runnable."); + + // Cancel any outstanding wakeup events for this thread + new_thread->SetIsRunning(true); + new_thread->last_running_ticks = system.CoreTiming().GetCPUTicks(); + new_thread->SetWasRunning(false); + + auto* const thread_owner_process = current_thread->GetOwnerProcess(); + if (thread_owner_process != nullptr) { + system.Kernel().MakeCurrentProcess(thread_owner_process); + } + if (!new_thread->IsHLEThread()) { + Core::ARM_Interface& cpu_core = new_thread->ArmInterface(); + cpu_core.LoadContext(new_thread->GetContext32()); + cpu_core.LoadContext(new_thread->GetContext64()); + cpu_core.SetTlsAddress(new_thread->GetTLSAddress()); + cpu_core.SetTPIDR_EL0(new_thread->GetTPIDR_EL0()); + cpu_core.ChangeProcessorID(this->core_id); + cpu_core.ClearExclusiveState(); + } + } + + TryDoContextSwitch(); } void Scheduler::SwitchContext() { - Thread* const previous_thread = GetCurrentThread(); - Thread* const new_thread = GetSelectedThread(); + current_thread_prev = current_thread; + selected_thread = selected_thread_set; + Thread* previous_thread = current_thread_prev.get(); + Thread* new_thread = selected_thread.get(); + current_thread = selected_thread; is_context_switch_pending = false; + if (new_thread == previous_thread) { + guard.unlock(); return; } @@ -452,51 +719,75 @@ void Scheduler::SwitchContext() { // Save context for previous thread if (previous_thread) { - system.ArmInterface(core_id).SaveContext(previous_thread->GetContext32()); - system.ArmInterface(core_id).SaveContext(previous_thread->GetContext64()); - // Save the TPIDR_EL0 system register in case it was modified. - previous_thread->SetTPIDR_EL0(system.ArmInterface(core_id).GetTPIDR_EL0()); - - if (previous_thread->GetStatus() == ThreadStatus::Running) { - // This is only the case when a reschedule is triggered without the current thread - // yielding execution (i.e. an event triggered, system core time-sliced, etc) - previous_thread->SetStatus(ThreadStatus::Ready); + if (new_thread != nullptr && new_thread->IsSuspendThread()) { + previous_thread->SetWasRunning(true); } + previous_thread->SetContinuousOnSVC(false); + previous_thread->last_running_ticks = system.CoreTiming().GetCPUTicks(); previous_thread->SetIsRunning(false); - } - - // Load context of new thread - if (new_thread) { - ASSERT_MSG(new_thread->GetProcessorID() == s32(this->core_id), - "Thread must be assigned to this core."); - ASSERT_MSG(new_thread->GetStatus() == ThreadStatus::Ready, - "Thread must be ready to become running."); - - // Cancel any outstanding wakeup events for this thread - new_thread->CancelWakeupTimer(); - current_thread = SharedFrom(new_thread); - new_thread->SetStatus(ThreadStatus::Running); - new_thread->SetIsRunning(true); - - auto* const thread_owner_process = current_thread->GetOwnerProcess(); - if (previous_process != thread_owner_process) { - system.Kernel().MakeCurrentProcess(thread_owner_process); + if (!previous_thread->IsHLEThread() && !previous_thread->HasExited()) { + Core::ARM_Interface& cpu_core = previous_thread->ArmInterface(); + cpu_core.SaveContext(previous_thread->GetContext32()); + cpu_core.SaveContext(previous_thread->GetContext64()); + // Save the TPIDR_EL0 system register in case it was modified. + previous_thread->SetTPIDR_EL0(cpu_core.GetTPIDR_EL0()); + cpu_core.ClearExclusiveState(); } + previous_thread->context_guard.unlock(); + } - system.ArmInterface(core_id).LoadContext(new_thread->GetContext32()); - system.ArmInterface(core_id).LoadContext(new_thread->GetContext64()); - system.ArmInterface(core_id).SetTlsAddress(new_thread->GetTLSAddress()); - system.ArmInterface(core_id).SetTPIDR_EL0(new_thread->GetTPIDR_EL0()); + std::shared_ptr<Common::Fiber>* old_context; + if (previous_thread != nullptr) { + old_context = &previous_thread->GetHostContext(); } else { - current_thread = nullptr; - // Note: We do not reset the current process and current page table when idling because - // technically we haven't changed processes, our threads are just paused. + old_context = &idle_thread->GetHostContext(); + } + guard.unlock(); + + Common::Fiber::YieldTo(*old_context, switch_fiber); + /// When a thread wakes up, the scheduler may have changed to other in another core. + auto& next_scheduler = system.Kernel().CurrentScheduler(); + next_scheduler.SwitchContextStep2(); +} + +void Scheduler::OnSwitch(void* this_scheduler) { + Scheduler* sched = static_cast<Scheduler*>(this_scheduler); + sched->SwitchToCurrent(); +} + +void Scheduler::SwitchToCurrent() { + while (true) { + guard.lock(); + selected_thread = selected_thread_set; + current_thread = selected_thread; + is_context_switch_pending = false; + guard.unlock(); + while (!is_context_switch_pending) { + if (current_thread != nullptr && !current_thread->IsHLEThread()) { + current_thread->context_guard.lock(); + if (!current_thread->IsRunnable()) { + current_thread->context_guard.unlock(); + break; + } + if (current_thread->GetProcessorID() != core_id) { + current_thread->context_guard.unlock(); + break; + } + } + std::shared_ptr<Common::Fiber>* next_context; + if (current_thread != nullptr) { + next_context = ¤t_thread->GetHostContext(); + } else { + next_context = &idle_thread->GetHostContext(); + } + Common::Fiber::YieldTo(switch_fiber, *next_context); + } } } void Scheduler::UpdateLastContextSwitchTime(Thread* thread, Process* process) { const u64 prev_switch_ticks = last_context_switch_time; - const u64 most_recent_switch_ticks = system.CoreTiming().GetTicks(); + const u64 most_recent_switch_ticks = system.CoreTiming().GetCPUTicks(); const u64 update_ticks = most_recent_switch_ticks - prev_switch_ticks; if (thread != nullptr) { @@ -510,6 +801,16 @@ void Scheduler::UpdateLastContextSwitchTime(Thread* thread, Process* process) { last_context_switch_time = most_recent_switch_ticks; } +void Scheduler::Initialize() { + std::string name = "Idle Thread Id:" + std::to_string(core_id); + std::function<void(void*)> init_func = system.GetCpuManager().GetIdleThreadStartFunc(); + void* init_func_parameter = system.GetCpuManager().GetStartFuncParamater(); + ThreadType type = static_cast<ThreadType>(THREADTYPE_KERNEL | THREADTYPE_HLE | THREADTYPE_IDLE); + auto thread_res = Thread::Create(system, type, name, 0, 64, 0, static_cast<u32>(core_id), 0, + nullptr, std::move(init_func), init_func_parameter); + idle_thread = std::move(thread_res).Unwrap(); +} + void Scheduler::Shutdown() { current_thread = nullptr; selected_thread = nullptr; @@ -538,4 +839,13 @@ SchedulerLockAndSleep::~SchedulerLockAndSleep() { time_manager.ScheduleTimeEvent(event_handle, time_task, nanoseconds); } +void SchedulerLockAndSleep::Release() { + if (sleep_cancelled) { + return; + } + auto& time_manager = kernel.TimeManager(); + time_manager.ScheduleTimeEvent(event_handle, time_task, nanoseconds); + sleep_cancelled = true; +} + } // namespace Kernel diff --git a/src/core/hle/kernel/scheduler.h b/src/core/hle/kernel/scheduler.h index 07df33f9c..b3b4b5169 100644 --- a/src/core/hle/kernel/scheduler.h +++ b/src/core/hle/kernel/scheduler.h @@ -11,9 +11,14 @@ #include "common/common_types.h" #include "common/multi_level_queue.h" +#include "common/spin_lock.h" #include "core/hardware_properties.h" #include "core/hle/kernel/thread.h" +namespace Common { +class Fiber; +} + namespace Core { class ARM_Interface; class System; @@ -41,41 +46,17 @@ public: return thread_list; } - /** - * Add a thread to the suggested queue of a cpu core. Suggested threads may be - * picked if no thread is scheduled to run on the core. - */ - void Suggest(u32 priority, std::size_t core, Thread* thread); - - /** - * Remove a thread to the suggested queue of a cpu core. Suggested threads may be - * picked if no thread is scheduled to run on the core. - */ - void Unsuggest(u32 priority, std::size_t core, Thread* thread); - - /** - * Add a thread to the scheduling queue of a cpu core. The thread is added at the - * back the queue in its priority level. - */ - void Schedule(u32 priority, std::size_t core, Thread* thread); - - /** - * Add a thread to the scheduling queue of a cpu core. The thread is added at the - * front the queue in its priority level. - */ - void SchedulePrepend(u32 priority, std::size_t core, Thread* thread); + /// Notify the scheduler a thread's status has changed. + void AdjustSchedulingOnStatus(Thread* thread, u32 old_flags); - /// Reschedule an already scheduled thread based on a new priority - void Reschedule(u32 priority, std::size_t core, Thread* thread); - - /// Unschedules a thread. - void Unschedule(u32 priority, std::size_t core, Thread* thread); + /// Notify the scheduler a thread's priority has changed. + void AdjustSchedulingOnPriority(Thread* thread, u32 old_priority); - /// Selects a core and forces it to unload its current thread's context - void UnloadThread(std::size_t core); + /// Notify the scheduler a thread's core and/or affinity mask has changed. + void AdjustSchedulingOnAffinity(Thread* thread, u64 old_affinity_mask, s32 old_core); /** - * Takes care of selecting the new scheduled thread in three steps: + * Takes care of selecting the new scheduled threads in three steps: * * 1. First a thread is selected from the top of the priority queue. If no thread * is obtained then we move to step two, else we are done. @@ -85,8 +66,10 @@ public: * * 3. Third is no suggested thread is found, we do a second pass and pick a running * thread in another core and swap it with its current thread. + * + * returns the cores needing scheduling. */ - void SelectThread(std::size_t core); + u32 SelectThreads(); bool HaveReadyThreads(std::size_t core_id) const { return !scheduled_queue[core_id].empty(); @@ -149,6 +132,40 @@ private: /// Unlocks the scheduler, reselects threads, interrupts cores for rescheduling /// and reschedules current core if needed. void Unlock(); + + void EnableInterruptAndSchedule(u32 cores_pending_reschedule, + Core::EmuThreadHandle global_thread); + + /** + * Add a thread to the suggested queue of a cpu core. Suggested threads may be + * picked if no thread is scheduled to run on the core. + */ + void Suggest(u32 priority, std::size_t core, Thread* thread); + + /** + * Remove a thread to the suggested queue of a cpu core. Suggested threads may be + * picked if no thread is scheduled to run on the core. + */ + void Unsuggest(u32 priority, std::size_t core, Thread* thread); + + /** + * Add a thread to the scheduling queue of a cpu core. The thread is added at the + * back the queue in its priority level. + */ + void Schedule(u32 priority, std::size_t core, Thread* thread); + + /** + * Add a thread to the scheduling queue of a cpu core. The thread is added at the + * front the queue in its priority level. + */ + void SchedulePrepend(u32 priority, std::size_t core, Thread* thread); + + /// Reschedule an already scheduled thread based on a new priority + void Reschedule(u32 priority, std::size_t core, Thread* thread); + + /// Unschedules a thread. + void Unschedule(u32 priority, std::size_t core, Thread* thread); + /** * Transfers a thread into an specific core. If the destination_core is -1 * it will be unscheduled from its source code and added into its suggested @@ -170,10 +187,13 @@ private: std::array<u32, Core::Hardware::NUM_CPU_CORES> preemption_priorities = {59, 59, 59, 62}; /// Scheduler lock mechanisms. - std::mutex inner_lock{}; // TODO(Blinkhawk): Replace for a SpinLock + bool is_locked{}; + Common::SpinLock inner_lock{}; std::atomic<s64> scope_lock{}; Core::EmuThreadHandle current_owner{Core::EmuThreadHandle::InvalidHandle()}; + Common::SpinLock global_list_guard{}; + /// Lists all thread ids that aren't deleted/etc. std::vector<std::shared_ptr<Thread>> thread_list; KernelCore& kernel; @@ -190,11 +210,11 @@ public: /// Reschedules to the next available thread (call after current thread is suspended) void TryDoContextSwitch(); - /// Unloads currently running thread - void UnloadThread(); - - /// Select the threads in top of the scheduling multilist. - void SelectThreads(); + /// The next two are for SingleCore Only. + /// Unload current thread before preempting core. + void Unload(); + /// Reload current thread after core preemption. + void Reload(); /// Gets the current running thread Thread* GetCurrentThread() const; @@ -209,15 +229,30 @@ public: return is_context_switch_pending; } + void Initialize(); + /// Shutdowns the scheduler. void Shutdown(); + void OnThreadStart(); + + std::shared_ptr<Common::Fiber>& ControlContext() { + return switch_fiber; + } + + const std::shared_ptr<Common::Fiber>& ControlContext() const { + return switch_fiber; + } + private: friend class GlobalScheduler; /// Switches the CPU's active thread context to that of the specified thread void SwitchContext(); + /// When a thread wakes up, it must run this through it's new scheduler + void SwitchContextStep2(); + /** * Called on every context switch to update the internal timestamp * This also updates the running time ticks for the given thread and @@ -231,14 +266,24 @@ private: */ void UpdateLastContextSwitchTime(Thread* thread, Process* process); + static void OnSwitch(void* this_scheduler); + void SwitchToCurrent(); + std::shared_ptr<Thread> current_thread = nullptr; std::shared_ptr<Thread> selected_thread = nullptr; + std::shared_ptr<Thread> current_thread_prev = nullptr; + std::shared_ptr<Thread> selected_thread_set = nullptr; + std::shared_ptr<Thread> idle_thread = nullptr; + + std::shared_ptr<Common::Fiber> switch_fiber = nullptr; Core::System& system; u64 last_context_switch_time = 0; u64 idle_selection_count = 0; const std::size_t core_id; + Common::SpinLock guard{}; + bool is_context_switch_pending = false; }; @@ -261,6 +306,8 @@ public: sleep_cancelled = true; } + void Release(); + private: Handle& event_handle; Thread* time_task; diff --git a/src/core/hle/kernel/server_session.cpp b/src/core/hle/kernel/server_session.cpp index 25438b86b..7b23a6889 100644 --- a/src/core/hle/kernel/server_session.cpp +++ b/src/core/hle/kernel/server_session.cpp @@ -17,6 +17,7 @@ #include "core/hle/kernel/hle_ipc.h" #include "core/hle/kernel/kernel.h" #include "core/hle/kernel/process.h" +#include "core/hle/kernel/scheduler.h" #include "core/hle/kernel/server_session.h" #include "core/hle/kernel/session.h" #include "core/hle/kernel/thread.h" @@ -168,9 +169,12 @@ ResultCode ServerSession::CompleteSyncRequest() { } // Some service requests require the thread to block - if (!context.IsThreadWaiting()) { - context.GetThread().ResumeFromWait(); - context.GetThread().SetWaitSynchronizationResult(result); + { + SchedulerLock lock(kernel); + if (!context.IsThreadWaiting()) { + context.GetThread().ResumeFromWait(); + context.GetThread().SetSynchronizationResults(nullptr, result); + } } request_queue.Pop(); @@ -180,8 +184,10 @@ ResultCode ServerSession::CompleteSyncRequest() { ResultCode ServerSession::HandleSyncRequest(std::shared_ptr<Thread> thread, Core::Memory::Memory& memory) { - Core::System::GetInstance().CoreTiming().ScheduleEvent(20000, request_event, {}); - return QueueSyncRequest(std::move(thread), memory); + ResultCode result = QueueSyncRequest(std::move(thread), memory); + const u64 delay = kernel.IsMulticore() ? 0U : 20000U; + Core::System::GetInstance().CoreTiming().ScheduleEvent(delay, request_event, {}); + return result; } } // namespace Kernel diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index 4ae4529f5..5db19dcf3 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -10,14 +10,15 @@ #include "common/alignment.h" #include "common/assert.h" +#include "common/fiber.h" #include "common/logging/log.h" #include "common/microprofile.h" #include "common/string_util.h" #include "core/arm/exclusive_monitor.h" #include "core/core.h" -#include "core/core_manager.h" #include "core/core_timing.h" #include "core/core_timing_util.h" +#include "core/cpu_manager.h" #include "core/hle/kernel/address_arbiter.h" #include "core/hle/kernel/client_port.h" #include "core/hle/kernel/client_session.h" @@ -27,6 +28,7 @@ #include "core/hle/kernel/memory/memory_block.h" #include "core/hle/kernel/memory/page_table.h" #include "core/hle/kernel/mutex.h" +#include "core/hle/kernel/physical_core.h" #include "core/hle/kernel/process.h" #include "core/hle/kernel/readable_event.h" #include "core/hle/kernel/resource_limit.h" @@ -37,6 +39,7 @@ #include "core/hle/kernel/svc_wrap.h" #include "core/hle/kernel/synchronization.h" #include "core/hle/kernel/thread.h" +#include "core/hle/kernel/time_manager.h" #include "core/hle/kernel/transfer_memory.h" #include "core/hle/kernel/writable_event.h" #include "core/hle/lock.h" @@ -133,6 +136,7 @@ enum class ResourceLimitValueType { ResultVal<s64> RetrieveResourceLimitValue(Core::System& system, Handle resource_limit, u32 resource_type, ResourceLimitValueType value_type) { + std::lock_guard lock{HLE::g_hle_lock}; const auto type = static_cast<ResourceType>(resource_type); if (!IsValidResourceType(type)) { LOG_ERROR(Kernel_SVC, "Invalid resource limit type: '{}'", resource_type); @@ -160,6 +164,7 @@ ResultVal<s64> RetrieveResourceLimitValue(Core::System& system, Handle resource_ /// Set the process heap to a given Size. It can both extend and shrink the heap. static ResultCode SetHeapSize(Core::System& system, VAddr* heap_addr, u64 heap_size) { + std::lock_guard lock{HLE::g_hle_lock}; LOG_TRACE(Kernel_SVC, "called, heap_size=0x{:X}", heap_size); // Size must be a multiple of 0x200000 (2MB) and be equal to or less than 8GB. @@ -190,6 +195,7 @@ static ResultCode SetHeapSize32(Core::System& system, u32* heap_addr, u32 heap_s static ResultCode SetMemoryAttribute(Core::System& system, VAddr address, u64 size, u32 mask, u32 attribute) { + std::lock_guard lock{HLE::g_hle_lock}; LOG_DEBUG(Kernel_SVC, "called, address=0x{:016X}, size=0x{:X}, mask=0x{:08X}, attribute=0x{:08X}", address, size, mask, attribute); @@ -226,8 +232,15 @@ static ResultCode SetMemoryAttribute(Core::System& system, VAddr address, u64 si static_cast<Memory::MemoryAttribute>(attribute)); } +static ResultCode SetMemoryAttribute32(Core::System& system, u32 address, u32 size, u32 mask, + u32 attribute) { + return SetMemoryAttribute(system, static_cast<VAddr>(address), static_cast<std::size_t>(size), + mask, attribute); +} + /// Maps a memory range into a different range. static ResultCode MapMemory(Core::System& system, VAddr dst_addr, VAddr src_addr, u64 size) { + std::lock_guard lock{HLE::g_hle_lock}; LOG_TRACE(Kernel_SVC, "called, dst_addr=0x{:X}, src_addr=0x{:X}, size=0x{:X}", dst_addr, src_addr, size); @@ -241,8 +254,14 @@ static ResultCode MapMemory(Core::System& system, VAddr dst_addr, VAddr src_addr return page_table.Map(dst_addr, src_addr, size); } +static ResultCode MapMemory32(Core::System& system, u32 dst_addr, u32 src_addr, u32 size) { + return MapMemory(system, static_cast<VAddr>(dst_addr), static_cast<VAddr>(src_addr), + static_cast<std::size_t>(size)); +} + /// Unmaps a region that was previously mapped with svcMapMemory static ResultCode UnmapMemory(Core::System& system, VAddr dst_addr, VAddr src_addr, u64 size) { + std::lock_guard lock{HLE::g_hle_lock}; LOG_TRACE(Kernel_SVC, "called, dst_addr=0x{:X}, src_addr=0x{:X}, size=0x{:X}", dst_addr, src_addr, size); @@ -256,9 +275,15 @@ static ResultCode UnmapMemory(Core::System& system, VAddr dst_addr, VAddr src_ad return page_table.Unmap(dst_addr, src_addr, size); } +static ResultCode UnmapMemory32(Core::System& system, u32 dst_addr, u32 src_addr, u32 size) { + return UnmapMemory(system, static_cast<VAddr>(dst_addr), static_cast<VAddr>(src_addr), + static_cast<std::size_t>(size)); +} + /// Connect to an OS service given the port name, returns the handle to the port to out static ResultCode ConnectToNamedPort(Core::System& system, Handle* out_handle, VAddr port_name_address) { + std::lock_guard lock{HLE::g_hle_lock}; auto& memory = system.Memory(); if (!memory.IsValidVirtualAddress(port_name_address)) { @@ -317,11 +342,30 @@ static ResultCode SendSyncRequest(Core::System& system, Handle handle) { LOG_TRACE(Kernel_SVC, "called handle=0x{:08X}({})", handle, session->GetName()); auto thread = system.CurrentScheduler().GetCurrentThread(); - thread->InvalidateWakeupCallback(); - thread->SetStatus(ThreadStatus::WaitIPC); - system.PrepareReschedule(thread->GetProcessorID()); + { + SchedulerLock lock(system.Kernel()); + thread->InvalidateHLECallback(); + thread->SetStatus(ThreadStatus::WaitIPC); + session->SendSyncRequest(SharedFrom(thread), system.Memory()); + } + + if (thread->HasHLECallback()) { + Handle event_handle = thread->GetHLETimeEvent(); + if (event_handle != InvalidHandle) { + auto& time_manager = system.Kernel().TimeManager(); + time_manager.UnscheduleTimeEvent(event_handle); + } + + { + SchedulerLock lock(system.Kernel()); + auto* sync_object = thread->GetHLESyncObject(); + sync_object->RemoveWaitingThread(SharedFrom(thread)); + } + + thread->InvokeHLECallback(SharedFrom(thread)); + } - return session->SendSyncRequest(SharedFrom(thread), system.Memory()); + return thread->GetSignalingResult(); } static ResultCode SendSyncRequest32(Core::System& system, Handle handle) { @@ -383,6 +427,15 @@ static ResultCode GetProcessId(Core::System& system, u64* process_id, Handle han return ERR_INVALID_HANDLE; } +static ResultCode GetProcessId32(Core::System& system, u32* process_id_low, u32* process_id_high, + Handle handle) { + u64 process_id{}; + const auto result = GetProcessId(system, &process_id, handle); + *process_id_low = static_cast<u32>(process_id); + *process_id_high = static_cast<u32>(process_id >> 32); + return result; +} + /// Wait for the given handles to synchronize, timeout after the specified nanoseconds static ResultCode WaitSynchronization(Core::System& system, Handle* index, VAddr handles_address, u64 handle_count, s64 nano_seconds) { @@ -447,10 +500,13 @@ static ResultCode CancelSynchronization(Core::System& system, Handle thread_hand } thread->CancelWait(); - system.PrepareReschedule(thread->GetProcessorID()); return RESULT_SUCCESS; } +static ResultCode CancelSynchronization32(Core::System& system, Handle thread_handle) { + return CancelSynchronization(system, thread_handle); +} + /// Attempts to locks a mutex, creating it if it does not already exist static ResultCode ArbitrateLock(Core::System& system, Handle holding_thread_handle, VAddr mutex_addr, Handle requesting_thread_handle) { @@ -475,6 +531,12 @@ static ResultCode ArbitrateLock(Core::System& system, Handle holding_thread_hand requesting_thread_handle); } +static ResultCode ArbitrateLock32(Core::System& system, Handle holding_thread_handle, + u32 mutex_addr, Handle requesting_thread_handle) { + return ArbitrateLock(system, holding_thread_handle, static_cast<VAddr>(mutex_addr), + requesting_thread_handle); +} + /// Unlock a mutex static ResultCode ArbitrateUnlock(Core::System& system, VAddr mutex_addr) { LOG_TRACE(Kernel_SVC, "called mutex_addr=0x{:X}", mutex_addr); @@ -494,6 +556,10 @@ static ResultCode ArbitrateUnlock(Core::System& system, VAddr mutex_addr) { return current_process->GetMutex().Release(mutex_addr); } +static ResultCode ArbitrateUnlock32(Core::System& system, u32 mutex_addr) { + return ArbitrateUnlock(system, static_cast<VAddr>(mutex_addr)); +} + enum class BreakType : u32 { Panic = 0, AssertionFailed = 1, @@ -594,6 +660,7 @@ static void Break(Core::System& system, u32 reason, u64 info1, u64 info2) { info2, has_dumped_buffer ? std::make_optional(debug_buffer) : std::nullopt); if (!break_reason.signal_debugger) { + SchedulerLock lock(system.Kernel()); LOG_CRITICAL( Debug_Emulated, "Emulated program broke execution! reason=0x{:016X}, info1=0x{:016X}, info2=0x{:016X}", @@ -605,14 +672,16 @@ static void Break(Core::System& system, u32 reason, u64 info1, u64 info2) { const auto thread_processor_id = current_thread->GetProcessorID(); system.ArmInterface(static_cast<std::size_t>(thread_processor_id)).LogBacktrace(); - system.Kernel().CurrentProcess()->PrepareForTermination(); - // Kill the current thread + system.Kernel().ExceptionalExit(); current_thread->Stop(); - system.PrepareReschedule(); } } +static void Break32(Core::System& system, u32 reason, u32 info1, u32 info2) { + Break(system, reason, static_cast<u64>(info1), static_cast<u64>(info2)); +} + /// Used to output a message on a debug hardware unit - does nothing on a retail unit static void OutputDebugString([[maybe_unused]] Core::System& system, VAddr address, u64 len) { if (len == 0) { @@ -627,6 +696,7 @@ static void OutputDebugString([[maybe_unused]] Core::System& system, VAddr addre /// Gets system/memory information for the current process static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 handle, u64 info_sub_id) { + std::lock_guard lock{HLE::g_hle_lock}; LOG_TRACE(Kernel_SVC, "called info_id=0x{:X}, info_sub_id=0x{:X}, handle=0x{:08X}", info_id, info_sub_id, handle); @@ -863,9 +933,9 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha if (same_thread && info_sub_id == 0xFFFFFFFFFFFFFFFF) { const u64 thread_ticks = current_thread->GetTotalCPUTimeTicks(); - out_ticks = thread_ticks + (core_timing.GetTicks() - prev_ctx_ticks); + out_ticks = thread_ticks + (core_timing.GetCPUTicks() - prev_ctx_ticks); } else if (same_thread && info_sub_id == system.CurrentCoreIndex()) { - out_ticks = core_timing.GetTicks() - prev_ctx_ticks; + out_ticks = core_timing.GetCPUTicks() - prev_ctx_ticks; } *result = out_ticks; @@ -892,6 +962,7 @@ static ResultCode GetInfo32(Core::System& system, u32* result_low, u32* result_h /// Maps memory at a desired address static ResultCode MapPhysicalMemory(Core::System& system, VAddr addr, u64 size) { + std::lock_guard lock{HLE::g_hle_lock}; LOG_DEBUG(Kernel_SVC, "called, addr=0x{:016X}, size=0x{:X}", addr, size); if (!Common::Is4KBAligned(addr)) { @@ -939,8 +1010,13 @@ static ResultCode MapPhysicalMemory(Core::System& system, VAddr addr, u64 size) return page_table.MapPhysicalMemory(addr, size); } +static ResultCode MapPhysicalMemory32(Core::System& system, u32 addr, u32 size) { + return MapPhysicalMemory(system, static_cast<VAddr>(addr), static_cast<std::size_t>(size)); +} + /// Unmaps memory previously mapped via MapPhysicalMemory static ResultCode UnmapPhysicalMemory(Core::System& system, VAddr addr, u64 size) { + std::lock_guard lock{HLE::g_hle_lock}; LOG_DEBUG(Kernel_SVC, "called, addr=0x{:016X}, size=0x{:X}", addr, size); if (!Common::Is4KBAligned(addr)) { @@ -988,6 +1064,10 @@ static ResultCode UnmapPhysicalMemory(Core::System& system, VAddr addr, u64 size return page_table.UnmapPhysicalMemory(addr, size); } +static ResultCode UnmapPhysicalMemory32(Core::System& system, u32 addr, u32 size) { + return UnmapPhysicalMemory(system, static_cast<VAddr>(addr), static_cast<std::size_t>(size)); +} + /// Sets the thread activity static ResultCode SetThreadActivity(Core::System& system, Handle handle, u32 activity) { LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, activity=0x{:08X}", handle, activity); @@ -1017,10 +1097,11 @@ static ResultCode SetThreadActivity(Core::System& system, Handle handle, u32 act return ERR_BUSY; } - thread->SetActivity(static_cast<ThreadActivity>(activity)); + return thread->SetActivity(static_cast<ThreadActivity>(activity)); +} - system.PrepareReschedule(thread->GetProcessorID()); - return RESULT_SUCCESS; +static ResultCode SetThreadActivity32(Core::System& system, Handle handle, u32 activity) { + return SetThreadActivity(system, handle, activity); } /// Gets the thread context @@ -1064,6 +1145,10 @@ static ResultCode GetThreadContext(Core::System& system, VAddr thread_context, H return RESULT_SUCCESS; } +static ResultCode GetThreadContext32(Core::System& system, u32 thread_context, Handle handle) { + return GetThreadContext(system, static_cast<VAddr>(thread_context), handle); +} + /// Gets the priority for the specified thread static ResultCode GetThreadPriority(Core::System& system, u32* priority, Handle handle) { LOG_TRACE(Kernel_SVC, "called"); @@ -1071,6 +1156,7 @@ static ResultCode GetThreadPriority(Core::System& system, u32* priority, Handle const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable(); const std::shared_ptr<Thread> thread = handle_table.Get<Thread>(handle); if (!thread) { + *priority = 0; LOG_ERROR(Kernel_SVC, "Thread handle does not exist, handle=0x{:08X}", handle); return ERR_INVALID_HANDLE; } @@ -1105,18 +1191,26 @@ static ResultCode SetThreadPriority(Core::System& system, Handle handle, u32 pri thread->SetPriority(priority); - system.PrepareReschedule(thread->GetProcessorID()); return RESULT_SUCCESS; } +static ResultCode SetThreadPriority32(Core::System& system, Handle handle, u32 priority) { + return SetThreadPriority(system, handle, priority); +} + /// Get which CPU core is executing the current thread static u32 GetCurrentProcessorNumber(Core::System& system) { LOG_TRACE(Kernel_SVC, "called"); - return system.CurrentScheduler().GetCurrentThread()->GetProcessorID(); + return static_cast<u32>(system.CurrentPhysicalCore().CoreIndex()); +} + +static u32 GetCurrentProcessorNumber32(Core::System& system) { + return GetCurrentProcessorNumber(system); } static ResultCode MapSharedMemory(Core::System& system, Handle shared_memory_handle, VAddr addr, u64 size, u32 permissions) { + std::lock_guard lock{HLE::g_hle_lock}; LOG_TRACE(Kernel_SVC, "called, shared_memory_handle=0x{:X}, addr=0x{:X}, size=0x{:X}, permissions=0x{:08X}", shared_memory_handle, addr, size, permissions); @@ -1187,9 +1281,16 @@ static ResultCode MapSharedMemory(Core::System& system, Handle shared_memory_han return shared_memory->Map(*current_process, addr, size, permission_type); } +static ResultCode MapSharedMemory32(Core::System& system, Handle shared_memory_handle, u32 addr, + u32 size, u32 permissions) { + return MapSharedMemory(system, shared_memory_handle, static_cast<VAddr>(addr), + static_cast<std::size_t>(size), permissions); +} + static ResultCode QueryProcessMemory(Core::System& system, VAddr memory_info_address, VAddr page_info_address, Handle process_handle, VAddr address) { + std::lock_guard lock{HLE::g_hle_lock}; LOG_TRACE(Kernel_SVC, "called process=0x{:08X} address={:X}", process_handle, address); const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable(); std::shared_ptr<Process> process = handle_table.Get<Process>(process_handle); @@ -1372,6 +1473,7 @@ static ResultCode UnmapProcessCodeMemory(Core::System& system, Handle process_ha /// Exits the current process static void ExitProcess(Core::System& system) { auto* current_process = system.Kernel().CurrentProcess(); + UNIMPLEMENTED(); LOG_INFO(Kernel_SVC, "Process {} exiting", current_process->GetProcessID()); ASSERT_MSG(current_process->GetStatus() == ProcessStatus::Running, @@ -1381,8 +1483,10 @@ static void ExitProcess(Core::System& system) { // Kill the current thread system.CurrentScheduler().GetCurrentThread()->Stop(); +} - system.PrepareReschedule(); +static void ExitProcess32(Core::System& system) { + ExitProcess(system); } /// Creates a new thread @@ -1428,9 +1532,10 @@ static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr e ASSERT(kernel.CurrentProcess()->GetResourceLimit()->Reserve(ResourceType::Threads, 1)); + ThreadType type = THREADTYPE_USER; CASCADE_RESULT(std::shared_ptr<Thread> thread, - Thread::Create(kernel, "", entry_point, priority, arg, processor_id, stack_top, - *current_process)); + Thread::Create(system, type, "", entry_point, priority, arg, processor_id, + stack_top, current_process)); const auto new_thread_handle = current_process->GetHandleTable().Create(thread); if (new_thread_handle.Failed()) { @@ -1444,11 +1549,15 @@ static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr e thread->SetName( fmt::format("thread[entry_point={:X}, handle={:X}]", entry_point, *new_thread_handle)); - system.PrepareReschedule(thread->GetProcessorID()); - return RESULT_SUCCESS; } +static ResultCode CreateThread32(Core::System& system, Handle* out_handle, u32 priority, + u32 entry_point, u32 arg, u32 stack_top, s32 processor_id) { + return CreateThread(system, out_handle, static_cast<VAddr>(entry_point), static_cast<u64>(arg), + static_cast<VAddr>(stack_top), priority, processor_id); +} + /// Starts the thread for the provided handle static ResultCode StartThread(Core::System& system, Handle thread_handle) { LOG_DEBUG(Kernel_SVC, "called thread=0x{:08X}", thread_handle); @@ -1463,13 +1572,11 @@ static ResultCode StartThread(Core::System& system, Handle thread_handle) { ASSERT(thread->GetStatus() == ThreadStatus::Dormant); - thread->ResumeFromWait(); - - if (thread->GetStatus() == ThreadStatus::Ready) { - system.PrepareReschedule(thread->GetProcessorID()); - } + return thread->Start(); +} - return RESULT_SUCCESS; +static ResultCode StartThread32(Core::System& system, Handle thread_handle) { + return StartThread(system, thread_handle); } /// Called when a thread exits @@ -1477,9 +1584,12 @@ static void ExitThread(Core::System& system) { LOG_DEBUG(Kernel_SVC, "called, pc=0x{:08X}", system.CurrentArmInterface().GetPC()); auto* const current_thread = system.CurrentScheduler().GetCurrentThread(); - current_thread->Stop(); system.GlobalScheduler().RemoveThread(SharedFrom(current_thread)); - system.PrepareReschedule(); + current_thread->Stop(); +} + +static void ExitThread32(Core::System& system) { + ExitThread(system); } /// Sleep the current thread @@ -1498,15 +1608,21 @@ static void SleepThread(Core::System& system, s64 nanoseconds) { if (nanoseconds <= 0) { switch (static_cast<SleepType>(nanoseconds)) { - case SleepType::YieldWithoutLoadBalancing: - is_redundant = current_thread->YieldSimple(); + case SleepType::YieldWithoutLoadBalancing: { + auto pair = current_thread->YieldSimple(); + is_redundant = pair.second; break; - case SleepType::YieldWithLoadBalancing: - is_redundant = current_thread->YieldAndBalanceLoad(); + } + case SleepType::YieldWithLoadBalancing: { + auto pair = current_thread->YieldAndBalanceLoad(); + is_redundant = pair.second; break; - case SleepType::YieldAndWaitForLoadBalancing: - is_redundant = current_thread->YieldAndWaitForLoadBalancing(); + } + case SleepType::YieldAndWaitForLoadBalancing: { + auto pair = current_thread->YieldAndWaitForLoadBalancing(); + is_redundant = pair.second; break; + } default: UNREACHABLE_MSG("Unimplemented sleep yield type '{:016X}'!", nanoseconds); } @@ -1514,13 +1630,18 @@ static void SleepThread(Core::System& system, s64 nanoseconds) { current_thread->Sleep(nanoseconds); } - if (is_redundant) { - // If it's redundant, the core is pretty much idle. Some games keep idling - // a core while it's doing nothing, we advance timing to avoid costly continuous - // calls. - system.CoreTiming().AddTicks(2000); + if (is_redundant && !system.Kernel().IsMulticore()) { + system.Kernel().ExitSVCProfile(); + system.CoreTiming().AddTicks(1000U); + system.GetCpuManager().PreemptSingleCore(); + system.Kernel().EnterSVCProfile(); } - system.PrepareReschedule(current_thread->GetProcessorID()); +} + +static void SleepThread32(Core::System& system, u32 nanoseconds_low, u32 nanoseconds_high) { + const s64 nanoseconds = static_cast<s64>(static_cast<u64>(nanoseconds_low) | + (static_cast<u64>(nanoseconds_high) << 32)); + SleepThread(system, nanoseconds); } /// Wait process wide key atomic @@ -1547,31 +1668,69 @@ static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr mutex_add } ASSERT(condition_variable_addr == Common::AlignDown(condition_variable_addr, 4)); - + auto& kernel = system.Kernel(); + Handle event_handle; + Thread* current_thread = system.CurrentScheduler().GetCurrentThread(); auto* const current_process = system.Kernel().CurrentProcess(); - const auto& handle_table = current_process->GetHandleTable(); - std::shared_ptr<Thread> thread = handle_table.Get<Thread>(thread_handle); - ASSERT(thread); + { + SchedulerLockAndSleep lock(kernel, event_handle, current_thread, nano_seconds); + const auto& handle_table = current_process->GetHandleTable(); + std::shared_ptr<Thread> thread = handle_table.Get<Thread>(thread_handle); + ASSERT(thread); + + current_thread->SetSynchronizationResults(nullptr, RESULT_TIMEOUT); + + if (thread->IsPendingTermination()) { + lock.CancelSleep(); + return ERR_THREAD_TERMINATING; + } + + const auto release_result = current_process->GetMutex().Release(mutex_addr); + if (release_result.IsError()) { + lock.CancelSleep(); + return release_result; + } + + if (nano_seconds == 0) { + lock.CancelSleep(); + return RESULT_TIMEOUT; + } - const auto release_result = current_process->GetMutex().Release(mutex_addr); - if (release_result.IsError()) { - return release_result; + current_thread->SetCondVarWaitAddress(condition_variable_addr); + current_thread->SetMutexWaitAddress(mutex_addr); + current_thread->SetWaitHandle(thread_handle); + current_thread->SetStatus(ThreadStatus::WaitCondVar); + current_process->InsertConditionVariableThread(SharedFrom(current_thread)); } - Thread* current_thread = system.CurrentScheduler().GetCurrentThread(); - current_thread->SetCondVarWaitAddress(condition_variable_addr); - current_thread->SetMutexWaitAddress(mutex_addr); - current_thread->SetWaitHandle(thread_handle); - current_thread->SetStatus(ThreadStatus::WaitCondVar); - current_thread->InvalidateWakeupCallback(); - current_process->InsertConditionVariableThread(SharedFrom(current_thread)); + if (event_handle != InvalidHandle) { + auto& time_manager = kernel.TimeManager(); + time_manager.UnscheduleTimeEvent(event_handle); + } + + { + SchedulerLock lock(kernel); - current_thread->WakeAfterDelay(nano_seconds); + auto* owner = current_thread->GetLockOwner(); + if (owner != nullptr) { + owner->RemoveMutexWaiter(SharedFrom(current_thread)); + } + current_process->RemoveConditionVariableThread(SharedFrom(current_thread)); + } // Note: Deliberately don't attempt to inherit the lock owner's priority. - system.PrepareReschedule(current_thread->GetProcessorID()); - return RESULT_SUCCESS; + return current_thread->GetSignalingResult(); +} + +static ResultCode WaitProcessWideKeyAtomic32(Core::System& system, u32 mutex_addr, + u32 condition_variable_addr, Handle thread_handle, + u32 nanoseconds_low, u32 nanoseconds_high) { + const s64 nanoseconds = + static_cast<s64>(nanoseconds_low | (static_cast<u64>(nanoseconds_high) << 32)); + return WaitProcessWideKeyAtomic(system, static_cast<VAddr>(mutex_addr), + static_cast<VAddr>(condition_variable_addr), thread_handle, + nanoseconds); } /// Signal process wide key @@ -1582,7 +1741,9 @@ static void SignalProcessWideKey(Core::System& system, VAddr condition_variable_ ASSERT(condition_variable_addr == Common::AlignDown(condition_variable_addr, 4)); // Retrieve a list of all threads that are waiting for this condition variable. - auto* const current_process = system.Kernel().CurrentProcess(); + auto& kernel = system.Kernel(); + SchedulerLock lock(kernel); + auto* const current_process = kernel.CurrentProcess(); std::vector<std::shared_ptr<Thread>> waiting_threads = current_process->GetConditionVariableThreads(condition_variable_addr); @@ -1591,7 +1752,7 @@ static void SignalProcessWideKey(Core::System& system, VAddr condition_variable_ std::size_t last = waiting_threads.size(); if (target > 0) last = std::min(waiting_threads.size(), static_cast<std::size_t>(target)); - + auto& time_manager = kernel.TimeManager(); for (std::size_t index = 0; index < last; ++index) { auto& thread = waiting_threads[index]; @@ -1599,7 +1760,6 @@ static void SignalProcessWideKey(Core::System& system, VAddr condition_variable_ // liberate Cond Var Thread. current_process->RemoveConditionVariableThread(thread); - thread->SetCondVarWaitAddress(0); const std::size_t current_core = system.CurrentCoreIndex(); auto& monitor = system.Monitor(); @@ -1610,10 +1770,8 @@ static void SignalProcessWideKey(Core::System& system, VAddr condition_variable_ u32 update_val = 0; const VAddr mutex_address = thread->GetMutexWaitAddress(); do { - monitor.SetExclusive(current_core, mutex_address); - // If the mutex is not yet acquired, acquire it. - mutex_val = memory.Read32(mutex_address); + mutex_val = monitor.ExclusiveRead32(current_core, mutex_address); if (mutex_val != 0) { update_val = mutex_val | Mutex::MutexHasWaitersFlag; @@ -1621,33 +1779,28 @@ static void SignalProcessWideKey(Core::System& system, VAddr condition_variable_ update_val = thread->GetWaitHandle(); } } while (!monitor.ExclusiveWrite32(current_core, mutex_address, update_val)); + monitor.ClearExclusive(); if (mutex_val == 0) { // We were able to acquire the mutex, resume this thread. - ASSERT(thread->GetStatus() == ThreadStatus::WaitCondVar); - thread->ResumeFromWait(); - auto* const lock_owner = thread->GetLockOwner(); if (lock_owner != nullptr) { lock_owner->RemoveMutexWaiter(thread); } thread->SetLockOwner(nullptr); - thread->SetMutexWaitAddress(0); - thread->SetWaitHandle(0); - thread->SetWaitSynchronizationResult(RESULT_SUCCESS); - system.PrepareReschedule(thread->GetProcessorID()); + thread->SetSynchronizationResults(nullptr, RESULT_SUCCESS); + thread->ResumeFromWait(); } else { // The mutex is already owned by some other thread, make this thread wait on it. const Handle owner_handle = static_cast<Handle>(mutex_val & Mutex::MutexOwnerMask); const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable(); auto owner = handle_table.Get<Thread>(owner_handle); ASSERT(owner); - ASSERT(thread->GetStatus() == ThreadStatus::WaitCondVar); - thread->InvalidateWakeupCallback(); - thread->SetStatus(ThreadStatus::WaitMutex); + if (thread->GetStatus() == ThreadStatus::WaitCondVar) { + thread->SetStatus(ThreadStatus::WaitMutex); + } owner->AddMutexWaiter(thread); - system.PrepareReschedule(thread->GetProcessorID()); } } } @@ -1678,12 +1831,15 @@ static ResultCode WaitForAddress(Core::System& system, VAddr address, u32 type, auto& address_arbiter = system.Kernel().CurrentProcess()->GetAddressArbiter(); const ResultCode result = address_arbiter.WaitForAddress(address, arbitration_type, value, timeout); - if (result == RESULT_SUCCESS) { - system.PrepareReschedule(); - } return result; } +static ResultCode WaitForAddress32(Core::System& system, u32 address, u32 type, s32 value, + u32 timeout_low, u32 timeout_high) { + s64 timeout = static_cast<s64>(timeout_low | (static_cast<u64>(timeout_high) << 32)); + return WaitForAddress(system, static_cast<VAddr>(address), type, value, timeout); +} + // Signals to an address (via Address Arbiter) static ResultCode SignalToAddress(Core::System& system, VAddr address, u32 type, s32 value, s32 num_to_wake) { @@ -1707,6 +1863,11 @@ static ResultCode SignalToAddress(Core::System& system, VAddr address, u32 type, return address_arbiter.SignalToAddress(address, signal_type, value, num_to_wake); } +static ResultCode SignalToAddress32(Core::System& system, u32 address, u32 type, s32 value, + s32 num_to_wake) { + return SignalToAddress(system, static_cast<VAddr>(address), type, value, num_to_wake); +} + static void KernelDebug([[maybe_unused]] Core::System& system, [[maybe_unused]] u32 kernel_debug_type, [[maybe_unused]] u64 param1, [[maybe_unused]] u64 param2, [[maybe_unused]] u64 param3) { @@ -1725,14 +1886,21 @@ static u64 GetSystemTick(Core::System& system) { auto& core_timing = system.CoreTiming(); // Returns the value of cntpct_el0 (https://switchbrew.org/wiki/SVC#svcGetSystemTick) - const u64 result{Core::Timing::CpuCyclesToClockCycles(system.CoreTiming().GetTicks())}; + const u64 result{system.CoreTiming().GetClockTicks()}; - // Advance time to defeat dumb games that busy-wait for the frame to end. - core_timing.AddTicks(400); + if (!system.Kernel().IsMulticore()) { + core_timing.AddTicks(400U); + } return result; } +static void GetSystemTick32(Core::System& system, u32* time_low, u32* time_high) { + u64 time = GetSystemTick(system); + *time_low = static_cast<u32>(time); + *time_high = static_cast<u32>(time >> 32); +} + /// Close a handle static ResultCode CloseHandle(Core::System& system, Handle handle) { LOG_TRACE(Kernel_SVC, "Closing handle 0x{:08X}", handle); @@ -1765,9 +1933,14 @@ static ResultCode ResetSignal(Core::System& system, Handle handle) { return ERR_INVALID_HANDLE; } +static ResultCode ResetSignal32(Core::System& system, Handle handle) { + return ResetSignal(system, handle); +} + /// Creates a TransferMemory object static ResultCode CreateTransferMemory(Core::System& system, Handle* handle, VAddr addr, u64 size, u32 permissions) { + std::lock_guard lock{HLE::g_hle_lock}; LOG_DEBUG(Kernel_SVC, "called addr=0x{:X}, size=0x{:X}, perms=0x{:08X}", addr, size, permissions); @@ -1812,6 +1985,12 @@ static ResultCode CreateTransferMemory(Core::System& system, Handle* handle, VAd return RESULT_SUCCESS; } +static ResultCode CreateTransferMemory32(Core::System& system, Handle* handle, u32 addr, u32 size, + u32 permissions) { + return CreateTransferMemory(system, handle, static_cast<VAddr>(addr), + static_cast<std::size_t>(size), permissions); +} + static ResultCode GetThreadCoreMask(Core::System& system, Handle thread_handle, u32* core, u64* mask) { LOG_TRACE(Kernel_SVC, "called, handle=0x{:08X}", thread_handle); @@ -1821,6 +2000,8 @@ static ResultCode GetThreadCoreMask(Core::System& system, Handle thread_handle, if (!thread) { LOG_ERROR(Kernel_SVC, "Thread handle does not exist, thread_handle=0x{:08X}", thread_handle); + *core = 0; + *mask = 0; return ERR_INVALID_HANDLE; } @@ -1830,6 +2011,15 @@ static ResultCode GetThreadCoreMask(Core::System& system, Handle thread_handle, return RESULT_SUCCESS; } +static ResultCode GetThreadCoreMask32(Core::System& system, Handle thread_handle, u32* core, + u32* mask_low, u32* mask_high) { + u64 mask{}; + const auto result = GetThreadCoreMask(system, thread_handle, core, &mask); + *mask_high = static_cast<u32>(mask >> 32); + *mask_low = static_cast<u32>(mask); + return result; +} + static ResultCode SetThreadCoreMask(Core::System& system, Handle thread_handle, u32 core, u64 affinity_mask) { LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, core=0x{:X}, affinity_mask=0x{:016X}", @@ -1861,7 +2051,7 @@ static ResultCode SetThreadCoreMask(Core::System& system, Handle thread_handle, return ERR_INVALID_COMBINATION; } - if (core < Core::NUM_CPU_CORES) { + if (core < Core::Hardware::NUM_CPU_CORES) { if ((affinity_mask & (1ULL << core)) == 0) { LOG_ERROR(Kernel_SVC, "Core is not enabled for the current mask, core={}, mask={:016X}", core, @@ -1883,11 +2073,14 @@ static ResultCode SetThreadCoreMask(Core::System& system, Handle thread_handle, return ERR_INVALID_HANDLE; } - system.PrepareReschedule(thread->GetProcessorID()); - thread->ChangeCore(core, affinity_mask); - system.PrepareReschedule(thread->GetProcessorID()); + return thread->SetCoreAndAffinityMask(core, affinity_mask); +} - return RESULT_SUCCESS; +static ResultCode SetThreadCoreMask32(Core::System& system, Handle thread_handle, u32 core, + u32 affinity_mask_low, u32 affinity_mask_high) { + const u64 affinity_mask = + static_cast<u64>(affinity_mask_low) | (static_cast<u64>(affinity_mask_high) << 32); + return SetThreadCoreMask(system, thread_handle, core, affinity_mask); } static ResultCode CreateEvent(Core::System& system, Handle* write_handle, Handle* read_handle) { @@ -1918,6 +2111,10 @@ static ResultCode CreateEvent(Core::System& system, Handle* write_handle, Handle return RESULT_SUCCESS; } +static ResultCode CreateEvent32(Core::System& system, Handle* write_handle, Handle* read_handle) { + return CreateEvent(system, write_handle, read_handle); +} + static ResultCode ClearEvent(Core::System& system, Handle handle) { LOG_TRACE(Kernel_SVC, "called, event=0x{:08X}", handle); @@ -1939,6 +2136,10 @@ static ResultCode ClearEvent(Core::System& system, Handle handle) { return ERR_INVALID_HANDLE; } +static ResultCode ClearEvent32(Core::System& system, Handle handle) { + return ClearEvent(system, handle); +} + static ResultCode SignalEvent(Core::System& system, Handle handle) { LOG_DEBUG(Kernel_SVC, "called. Handle=0x{:08X}", handle); @@ -1951,10 +2152,13 @@ static ResultCode SignalEvent(Core::System& system, Handle handle) { } writable_event->Signal(); - system.PrepareReschedule(); return RESULT_SUCCESS; } +static ResultCode SignalEvent32(Core::System& system, Handle handle) { + return SignalEvent(system, handle); +} + static ResultCode GetProcessInfo(Core::System& system, u64* out, Handle process_handle, u32 type) { LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, type=0x{:X}", process_handle, type); @@ -1982,6 +2186,7 @@ static ResultCode GetProcessInfo(Core::System& system, u64* out, Handle process_ } static ResultCode CreateResourceLimit(Core::System& system, Handle* out_handle) { + std::lock_guard lock{HLE::g_hle_lock}; LOG_DEBUG(Kernel_SVC, "called"); auto& kernel = system.Kernel(); @@ -2139,6 +2344,15 @@ static ResultCode GetThreadList(Core::System& system, u32* out_num_threads, VAdd return RESULT_SUCCESS; } +static ResultCode FlushProcessDataCache32(Core::System& system, Handle handle, u32 address, + u32 size) { + // Note(Blinkhawk): For emulation purposes of the data cache this is mostly a nope + // as all emulation is done in the same cache level in host architecture, thus data cache + // does not need flushing. + LOG_DEBUG(Kernel_SVC, "called"); + return RESULT_SUCCESS; +} + namespace { struct FunctionDef { using Func = void(Core::System&); @@ -2153,57 +2367,57 @@ static const FunctionDef SVC_Table_32[] = { {0x00, nullptr, "Unknown"}, {0x01, SvcWrap32<SetHeapSize32>, "SetHeapSize32"}, {0x02, nullptr, "Unknown"}, - {0x03, nullptr, "SetMemoryAttribute32"}, - {0x04, nullptr, "MapMemory32"}, - {0x05, nullptr, "UnmapMemory32"}, + {0x03, SvcWrap32<SetMemoryAttribute32>, "SetMemoryAttribute32"}, + {0x04, SvcWrap32<MapMemory32>, "MapMemory32"}, + {0x05, SvcWrap32<UnmapMemory32>, "UnmapMemory32"}, {0x06, SvcWrap32<QueryMemory32>, "QueryMemory32"}, - {0x07, nullptr, "ExitProcess32"}, - {0x08, nullptr, "CreateThread32"}, - {0x09, nullptr, "StartThread32"}, - {0x0a, nullptr, "ExitThread32"}, - {0x0b, nullptr, "SleepThread32"}, + {0x07, SvcWrap32<ExitProcess32>, "ExitProcess32"}, + {0x08, SvcWrap32<CreateThread32>, "CreateThread32"}, + {0x09, SvcWrap32<StartThread32>, "StartThread32"}, + {0x0a, SvcWrap32<ExitThread32>, "ExitThread32"}, + {0x0b, SvcWrap32<SleepThread32>, "SleepThread32"}, {0x0c, SvcWrap32<GetThreadPriority32>, "GetThreadPriority32"}, - {0x0d, nullptr, "SetThreadPriority32"}, - {0x0e, nullptr, "GetThreadCoreMask32"}, - {0x0f, nullptr, "SetThreadCoreMask32"}, - {0x10, nullptr, "GetCurrentProcessorNumber32"}, - {0x11, nullptr, "SignalEvent32"}, - {0x12, nullptr, "ClearEvent32"}, - {0x13, nullptr, "MapSharedMemory32"}, + {0x0d, SvcWrap32<SetThreadPriority32>, "SetThreadPriority32"}, + {0x0e, SvcWrap32<GetThreadCoreMask32>, "GetThreadCoreMask32"}, + {0x0f, SvcWrap32<SetThreadCoreMask32>, "SetThreadCoreMask32"}, + {0x10, SvcWrap32<GetCurrentProcessorNumber32>, "GetCurrentProcessorNumber32"}, + {0x11, SvcWrap32<SignalEvent32>, "SignalEvent32"}, + {0x12, SvcWrap32<ClearEvent32>, "ClearEvent32"}, + {0x13, SvcWrap32<MapSharedMemory32>, "MapSharedMemory32"}, {0x14, nullptr, "UnmapSharedMemory32"}, - {0x15, nullptr, "CreateTransferMemory32"}, + {0x15, SvcWrap32<CreateTransferMemory32>, "CreateTransferMemory32"}, {0x16, SvcWrap32<CloseHandle32>, "CloseHandle32"}, - {0x17, nullptr, "ResetSignal32"}, + {0x17, SvcWrap32<ResetSignal32>, "ResetSignal32"}, {0x18, SvcWrap32<WaitSynchronization32>, "WaitSynchronization32"}, - {0x19, nullptr, "CancelSynchronization32"}, - {0x1a, nullptr, "ArbitrateLock32"}, - {0x1b, nullptr, "ArbitrateUnlock32"}, - {0x1c, nullptr, "WaitProcessWideKeyAtomic32"}, + {0x19, SvcWrap32<CancelSynchronization32>, "CancelSynchronization32"}, + {0x1a, SvcWrap32<ArbitrateLock32>, "ArbitrateLock32"}, + {0x1b, SvcWrap32<ArbitrateUnlock32>, "ArbitrateUnlock32"}, + {0x1c, SvcWrap32<WaitProcessWideKeyAtomic32>, "WaitProcessWideKeyAtomic32"}, {0x1d, SvcWrap32<SignalProcessWideKey32>, "SignalProcessWideKey32"}, - {0x1e, nullptr, "GetSystemTick32"}, + {0x1e, SvcWrap32<GetSystemTick32>, "GetSystemTick32"}, {0x1f, SvcWrap32<ConnectToNamedPort32>, "ConnectToNamedPort32"}, {0x20, nullptr, "Unknown"}, {0x21, SvcWrap32<SendSyncRequest32>, "SendSyncRequest32"}, {0x22, nullptr, "SendSyncRequestWithUserBuffer32"}, {0x23, nullptr, "Unknown"}, - {0x24, nullptr, "GetProcessId32"}, + {0x24, SvcWrap32<GetProcessId32>, "GetProcessId32"}, {0x25, SvcWrap32<GetThreadId32>, "GetThreadId32"}, - {0x26, nullptr, "Break32"}, + {0x26, SvcWrap32<Break32>, "Break32"}, {0x27, nullptr, "OutputDebugString32"}, {0x28, nullptr, "Unknown"}, {0x29, SvcWrap32<GetInfo32>, "GetInfo32"}, {0x2a, nullptr, "Unknown"}, {0x2b, nullptr, "Unknown"}, - {0x2c, nullptr, "MapPhysicalMemory32"}, - {0x2d, nullptr, "UnmapPhysicalMemory32"}, + {0x2c, SvcWrap32<MapPhysicalMemory32>, "MapPhysicalMemory32"}, + {0x2d, SvcWrap32<UnmapPhysicalMemory32>, "UnmapPhysicalMemory32"}, {0x2e, nullptr, "Unknown"}, {0x2f, nullptr, "Unknown"}, {0x30, nullptr, "Unknown"}, {0x31, nullptr, "Unknown"}, - {0x32, nullptr, "SetThreadActivity32"}, - {0x33, nullptr, "GetThreadContext32"}, - {0x34, nullptr, "WaitForAddress32"}, - {0x35, nullptr, "SignalToAddress32"}, + {0x32, SvcWrap32<SetThreadActivity32>, "SetThreadActivity32"}, + {0x33, SvcWrap32<GetThreadContext32>, "GetThreadContext32"}, + {0x34, SvcWrap32<WaitForAddress32>, "WaitForAddress32"}, + {0x35, SvcWrap32<SignalToAddress32>, "SignalToAddress32"}, {0x36, nullptr, "Unknown"}, {0x37, nullptr, "Unknown"}, {0x38, nullptr, "Unknown"}, @@ -2219,7 +2433,7 @@ static const FunctionDef SVC_Table_32[] = { {0x42, nullptr, "Unknown"}, {0x43, nullptr, "ReplyAndReceive32"}, {0x44, nullptr, "Unknown"}, - {0x45, nullptr, "CreateEvent32"}, + {0x45, SvcWrap32<CreateEvent32>, "CreateEvent32"}, {0x46, nullptr, "Unknown"}, {0x47, nullptr, "Unknown"}, {0x48, nullptr, "Unknown"}, @@ -2245,7 +2459,7 @@ static const FunctionDef SVC_Table_32[] = { {0x5c, nullptr, "Unknown"}, {0x5d, nullptr, "Unknown"}, {0x5e, nullptr, "Unknown"}, - {0x5F, nullptr, "FlushProcessDataCache32"}, + {0x5F, SvcWrap32<FlushProcessDataCache32>, "FlushProcessDataCache32"}, {0x60, nullptr, "Unknown"}, {0x61, nullptr, "Unknown"}, {0x62, nullptr, "Unknown"}, @@ -2423,13 +2637,10 @@ static const FunctionDef* GetSVCInfo64(u32 func_num) { return &SVC_Table_64[func_num]; } -MICROPROFILE_DEFINE(Kernel_SVC, "Kernel", "SVC", MP_RGB(70, 200, 70)); - void Call(Core::System& system, u32 immediate) { - MICROPROFILE_SCOPE(Kernel_SVC); - - // Lock the global kernel mutex when we enter the kernel HLE. - std::lock_guard lock{HLE::g_hle_lock}; + system.ExitDynarmicProfile(); + auto& kernel = system.Kernel(); + kernel.EnterSVCProfile(); const FunctionDef* info = system.CurrentProcess()->Is64BitProcess() ? GetSVCInfo64(immediate) : GetSVCInfo32(immediate); @@ -2442,6 +2653,9 @@ void Call(Core::System& system, u32 immediate) { } else { LOG_CRITICAL(Kernel_SVC, "Unknown SVC function 0x{:X}", immediate); } + + kernel.ExitSVCProfile(); + system.EnterDynarmicProfile(); } } // namespace Kernel::Svc diff --git a/src/core/hle/kernel/svc_wrap.h b/src/core/hle/kernel/svc_wrap.h index 7d735e3fa..0b6dd9df0 100644 --- a/src/core/hle/kernel/svc_wrap.h +++ b/src/core/hle/kernel/svc_wrap.h @@ -350,13 +350,50 @@ void SvcWrap64(Core::System& system) { func(system, static_cast<u32>(Param(system, 0)), Param(system, 1), Param(system, 2)); } -// Used by QueryMemory32 +// Used by QueryMemory32, ArbitrateLock32 template <ResultCode func(Core::System&, u32, u32, u32)> void SvcWrap32(Core::System& system) { FuncReturn32(system, func(system, Param32(system, 0), Param32(system, 1), Param32(system, 2)).raw); } +// Used by Break32 +template <void func(Core::System&, u32, u32, u32)> +void SvcWrap32(Core::System& system) { + func(system, Param32(system, 0), Param32(system, 1), Param32(system, 2)); +} + +// Used by ExitProcess32, ExitThread32 +template <void func(Core::System&)> +void SvcWrap32(Core::System& system) { + func(system); +} + +// Used by GetCurrentProcessorNumber32 +template <u32 func(Core::System&)> +void SvcWrap32(Core::System& system) { + FuncReturn32(system, func(system)); +} + +// Used by SleepThread32 +template <void func(Core::System&, u32, u32)> +void SvcWrap32(Core::System& system) { + func(system, Param32(system, 0), Param32(system, 1)); +} + +// Used by CreateThread32 +template <ResultCode func(Core::System&, Handle*, u32, u32, u32, u32, s32)> +void SvcWrap32(Core::System& system) { + Handle param_1 = 0; + + const u32 retval = func(system, ¶m_1, Param32(system, 0), Param32(system, 1), + Param32(system, 2), Param32(system, 3), Param32(system, 4)) + .raw; + + system.CurrentArmInterface().SetReg(1, param_1); + FuncReturn(system, retval); +} + // Used by GetInfo32 template <ResultCode func(Core::System&, u32*, u32*, u32, u32, u32, u32)> void SvcWrap32(Core::System& system) { @@ -393,18 +430,114 @@ void SvcWrap32(Core::System& system) { FuncReturn(system, retval); } +// Used by GetSystemTick32 +template <void func(Core::System&, u32*, u32*)> +void SvcWrap32(Core::System& system) { + u32 param_1 = 0; + u32 param_2 = 0; + + func(system, ¶m_1, ¶m_2); + system.CurrentArmInterface().SetReg(0, param_1); + system.CurrentArmInterface().SetReg(1, param_2); +} + +// Used by CreateEvent32 +template <ResultCode func(Core::System&, Handle*, Handle*)> +void SvcWrap32(Core::System& system) { + Handle param_1 = 0; + Handle param_2 = 0; + + const u32 retval = func(system, ¶m_1, ¶m_2).raw; + system.CurrentArmInterface().SetReg(1, param_1); + system.CurrentArmInterface().SetReg(2, param_2); + FuncReturn(system, retval); +} + +// Used by GetThreadId32 +template <ResultCode func(Core::System&, Handle, u32*, u32*, u32*)> +void SvcWrap32(Core::System& system) { + u32 param_1 = 0; + u32 param_2 = 0; + u32 param_3 = 0; + + const u32 retval = func(system, Param32(system, 2), ¶m_1, ¶m_2, ¶m_3).raw; + system.CurrentArmInterface().SetReg(1, param_1); + system.CurrentArmInterface().SetReg(2, param_2); + system.CurrentArmInterface().SetReg(3, param_3); + FuncReturn(system, retval); +} + // Used by SignalProcessWideKey32 template <void func(Core::System&, u32, s32)> void SvcWrap32(Core::System& system) { func(system, static_cast<u32>(Param(system, 0)), static_cast<s32>(Param(system, 1))); } -// Used by SendSyncRequest32 +// Used by SetThreadPriority32 +template <ResultCode func(Core::System&, Handle, u32)> +void SvcWrap32(Core::System& system) { + const u32 retval = + func(system, static_cast<Handle>(Param(system, 0)), static_cast<u32>(Param(system, 1))).raw; + FuncReturn(system, retval); +} + +// Used by SetThreadCoreMask32 +template <ResultCode func(Core::System&, Handle, u32, u32, u32)> +void SvcWrap32(Core::System& system) { + const u32 retval = + func(system, static_cast<Handle>(Param(system, 0)), static_cast<u32>(Param(system, 1)), + static_cast<u32>(Param(system, 2)), static_cast<u32>(Param(system, 3))) + .raw; + FuncReturn(system, retval); +} + +// Used by WaitProcessWideKeyAtomic32 +template <ResultCode func(Core::System&, u32, u32, Handle, u32, u32)> +void SvcWrap32(Core::System& system) { + const u32 retval = + func(system, static_cast<u32>(Param(system, 0)), static_cast<u32>(Param(system, 1)), + static_cast<Handle>(Param(system, 2)), static_cast<u32>(Param(system, 3)), + static_cast<u32>(Param(system, 4))) + .raw; + FuncReturn(system, retval); +} + +// Used by WaitForAddress32 +template <ResultCode func(Core::System&, u32, u32, s32, u32, u32)> +void SvcWrap32(Core::System& system) { + const u32 retval = func(system, static_cast<u32>(Param(system, 0)), + static_cast<u32>(Param(system, 1)), static_cast<s32>(Param(system, 2)), + static_cast<u32>(Param(system, 3)), static_cast<u32>(Param(system, 4))) + .raw; + FuncReturn(system, retval); +} + +// Used by SignalToAddress32 +template <ResultCode func(Core::System&, u32, u32, s32, s32)> +void SvcWrap32(Core::System& system) { + const u32 retval = + func(system, static_cast<u32>(Param(system, 0)), static_cast<u32>(Param(system, 1)), + static_cast<s32>(Param(system, 2)), static_cast<s32>(Param(system, 3))) + .raw; + FuncReturn(system, retval); +} + +// Used by SendSyncRequest32, ArbitrateUnlock32 template <ResultCode func(Core::System&, u32)> void SvcWrap32(Core::System& system) { FuncReturn(system, func(system, static_cast<u32>(Param(system, 0))).raw); } +// Used by CreateTransferMemory32 +template <ResultCode func(Core::System&, Handle*, u32, u32, u32)> +void SvcWrap32(Core::System& system) { + Handle handle = 0; + const u32 retval = + func(system, &handle, Param32(system, 1), Param32(system, 2), Param32(system, 3)).raw; + system.CurrentArmInterface().SetReg(1, handle); + FuncReturn(system, retval); +} + // Used by WaitSynchronization32 template <ResultCode func(Core::System&, u32, u32, s32, u32, Handle*)> void SvcWrap32(Core::System& system) { diff --git a/src/core/hle/kernel/synchronization.cpp b/src/core/hle/kernel/synchronization.cpp index dc37fad1a..851b702a5 100644 --- a/src/core/hle/kernel/synchronization.cpp +++ b/src/core/hle/kernel/synchronization.cpp @@ -10,78 +10,107 @@ #include "core/hle/kernel/synchronization.h" #include "core/hle/kernel/synchronization_object.h" #include "core/hle/kernel/thread.h" +#include "core/hle/kernel/time_manager.h" namespace Kernel { -/// Default thread wakeup callback for WaitSynchronization -static bool DefaultThreadWakeupCallback(ThreadWakeupReason reason, std::shared_ptr<Thread> thread, - std::shared_ptr<SynchronizationObject> object, - std::size_t index) { - ASSERT(thread->GetStatus() == ThreadStatus::WaitSynch); - - if (reason == ThreadWakeupReason::Timeout) { - thread->SetWaitSynchronizationResult(RESULT_TIMEOUT); - return true; - } - - ASSERT(reason == ThreadWakeupReason::Signal); - thread->SetWaitSynchronizationResult(RESULT_SUCCESS); - thread->SetWaitSynchronizationOutput(static_cast<u32>(index)); - return true; -} - Synchronization::Synchronization(Core::System& system) : system{system} {} void Synchronization::SignalObject(SynchronizationObject& obj) const { + auto& kernel = system.Kernel(); + SchedulerLock lock(kernel); + auto& time_manager = kernel.TimeManager(); if (obj.IsSignaled()) { - obj.WakeupAllWaitingThreads(); + for (auto thread : obj.GetWaitingThreads()) { + if (thread->GetSchedulingStatus() == ThreadSchedStatus::Paused) { + if (thread->GetStatus() != ThreadStatus::WaitHLEEvent) { + ASSERT(thread->GetStatus() == ThreadStatus::WaitSynch); + ASSERT(thread->IsWaitingSync()); + } + thread->SetSynchronizationResults(&obj, RESULT_SUCCESS); + thread->ResumeFromWait(); + } + } + obj.ClearWaitingThreads(); } } std::pair<ResultCode, Handle> Synchronization::WaitFor( std::vector<std::shared_ptr<SynchronizationObject>>& sync_objects, s64 nano_seconds) { + auto& kernel = system.Kernel(); auto* const thread = system.CurrentScheduler().GetCurrentThread(); - // Find the first object that is acquirable in the provided list of objects - const auto itr = std::find_if(sync_objects.begin(), sync_objects.end(), - [thread](const std::shared_ptr<SynchronizationObject>& object) { - return object->IsSignaled(); - }); - - if (itr != sync_objects.end()) { - // We found a ready object, acquire it and set the result value - SynchronizationObject* object = itr->get(); - object->Acquire(thread); - const u32 index = static_cast<s32>(std::distance(sync_objects.begin(), itr)); - return {RESULT_SUCCESS, index}; + Handle event_handle = InvalidHandle; + { + SchedulerLockAndSleep lock(kernel, event_handle, thread, nano_seconds); + const auto itr = + std::find_if(sync_objects.begin(), sync_objects.end(), + [thread](const std::shared_ptr<SynchronizationObject>& object) { + return object->IsSignaled(); + }); + + if (itr != sync_objects.end()) { + // We found a ready object, acquire it and set the result value + SynchronizationObject* object = itr->get(); + object->Acquire(thread); + const u32 index = static_cast<s32>(std::distance(sync_objects.begin(), itr)); + lock.CancelSleep(); + return {RESULT_SUCCESS, index}; + } + + if (nano_seconds == 0) { + lock.CancelSleep(); + return {RESULT_TIMEOUT, InvalidHandle}; + } + + if (thread->IsPendingTermination()) { + lock.CancelSleep(); + return {ERR_THREAD_TERMINATING, InvalidHandle}; + } + + if (thread->IsSyncCancelled()) { + thread->SetSyncCancelled(false); + lock.CancelSleep(); + return {ERR_SYNCHRONIZATION_CANCELED, InvalidHandle}; + } + + for (auto& object : sync_objects) { + object->AddWaitingThread(SharedFrom(thread)); + } + + thread->SetSynchronizationObjects(&sync_objects); + thread->SetSynchronizationResults(nullptr, RESULT_TIMEOUT); + thread->SetStatus(ThreadStatus::WaitSynch); + thread->SetWaitingSync(true); } + thread->SetWaitingSync(false); - // No objects were ready to be acquired, prepare to suspend the thread. - - // If a timeout value of 0 was provided, just return the Timeout error code instead of - // suspending the thread. - if (nano_seconds == 0) { - return {RESULT_TIMEOUT, InvalidHandle}; + if (event_handle != InvalidHandle) { + auto& time_manager = kernel.TimeManager(); + time_manager.UnscheduleTimeEvent(event_handle); } - if (thread->IsSyncCancelled()) { - thread->SetSyncCancelled(false); - return {ERR_SYNCHRONIZATION_CANCELED, InvalidHandle}; + { + SchedulerLock lock(kernel); + ResultCode signaling_result = thread->GetSignalingResult(); + SynchronizationObject* signaling_object = thread->GetSignalingObject(); + thread->SetSynchronizationObjects(nullptr); + auto shared_thread = SharedFrom(thread); + for (auto& obj : sync_objects) { + obj->RemoveWaitingThread(shared_thread); + } + if (signaling_object != nullptr) { + const auto itr = std::find_if( + sync_objects.begin(), sync_objects.end(), + [signaling_object](const std::shared_ptr<SynchronizationObject>& object) { + return object.get() == signaling_object; + }); + ASSERT(itr != sync_objects.end()); + signaling_object->Acquire(thread); + const u32 index = static_cast<s32>(std::distance(sync_objects.begin(), itr)); + return {signaling_result, index}; + } + return {signaling_result, -1}; } - - for (auto& object : sync_objects) { - object->AddWaitingThread(SharedFrom(thread)); - } - - thread->SetSynchronizationObjects(std::move(sync_objects)); - thread->SetStatus(ThreadStatus::WaitSynch); - - // Create an event to wake the thread up after the specified nanosecond delay has passed - thread->WakeAfterDelay(nano_seconds); - thread->SetWakeupCallback(DefaultThreadWakeupCallback); - - system.PrepareReschedule(thread->GetProcessorID()); - - return {RESULT_TIMEOUT, InvalidHandle}; } } // namespace Kernel diff --git a/src/core/hle/kernel/synchronization_object.cpp b/src/core/hle/kernel/synchronization_object.cpp index 43f3eef18..ba4d39157 100644 --- a/src/core/hle/kernel/synchronization_object.cpp +++ b/src/core/hle/kernel/synchronization_object.cpp @@ -38,68 +38,8 @@ void SynchronizationObject::RemoveWaitingThread(std::shared_ptr<Thread> thread) waiting_threads.erase(itr); } -std::shared_ptr<Thread> SynchronizationObject::GetHighestPriorityReadyThread() const { - Thread* candidate = nullptr; - u32 candidate_priority = THREADPRIO_LOWEST + 1; - - for (const auto& thread : waiting_threads) { - const ThreadStatus thread_status = thread->GetStatus(); - - // The list of waiting threads must not contain threads that are not waiting to be awakened. - ASSERT_MSG(thread_status == ThreadStatus::WaitSynch || - thread_status == ThreadStatus::WaitHLEEvent, - "Inconsistent thread statuses in waiting_threads"); - - if (thread->GetPriority() >= candidate_priority) - continue; - - if (ShouldWait(thread.get())) - continue; - - candidate = thread.get(); - candidate_priority = thread->GetPriority(); - } - - return SharedFrom(candidate); -} - -void SynchronizationObject::WakeupWaitingThread(std::shared_ptr<Thread> thread) { - ASSERT(!ShouldWait(thread.get())); - - if (!thread) { - return; - } - - if (thread->IsSleepingOnWait()) { - for (const auto& object : thread->GetSynchronizationObjects()) { - ASSERT(!object->ShouldWait(thread.get())); - object->Acquire(thread.get()); - } - } else { - Acquire(thread.get()); - } - - const std::size_t index = thread->GetSynchronizationObjectIndex(SharedFrom(this)); - - thread->ClearSynchronizationObjects(); - - thread->CancelWakeupTimer(); - - bool resume = true; - if (thread->HasWakeupCallback()) { - resume = thread->InvokeWakeupCallback(ThreadWakeupReason::Signal, thread, SharedFrom(this), - index); - } - if (resume) { - thread->ResumeFromWait(); - kernel.PrepareReschedule(thread->GetProcessorID()); - } -} - -void SynchronizationObject::WakeupAllWaitingThreads() { - while (auto thread = GetHighestPriorityReadyThread()) { - WakeupWaitingThread(thread); - } +void SynchronizationObject::ClearWaitingThreads() { + waiting_threads.clear(); } const std::vector<std::shared_ptr<Thread>>& SynchronizationObject::GetWaitingThreads() const { diff --git a/src/core/hle/kernel/synchronization_object.h b/src/core/hle/kernel/synchronization_object.h index 741c31faf..f89b24204 100644 --- a/src/core/hle/kernel/synchronization_object.h +++ b/src/core/hle/kernel/synchronization_object.h @@ -12,6 +12,7 @@ namespace Kernel { class KernelCore; +class Synchronization; class Thread; /// Class that represents a Kernel object that a thread can be waiting on @@ -49,24 +50,11 @@ public: */ void RemoveWaitingThread(std::shared_ptr<Thread> thread); - /** - * Wake up all threads waiting on this object that can be awoken, in priority order, - * and set the synchronization result and output of the thread. - */ - void WakeupAllWaitingThreads(); - - /** - * Wakes up a single thread waiting on this object. - * @param thread Thread that is waiting on this object to wakeup. - */ - void WakeupWaitingThread(std::shared_ptr<Thread> thread); - - /// Obtains the highest priority thread that is ready to run from this object's waiting list. - std::shared_ptr<Thread> GetHighestPriorityReadyThread() const; - /// Get a const reference to the waiting threads list for debug use const std::vector<std::shared_ptr<Thread>>& GetWaitingThreads() const; + void ClearWaitingThreads(); + protected: bool is_signaled{}; // Tells if this sync object is signalled; diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp index db7f379ac..2b1092697 100644 --- a/src/core/hle/kernel/thread.cpp +++ b/src/core/hle/kernel/thread.cpp @@ -9,12 +9,21 @@ #include "common/assert.h" #include "common/common_types.h" +#include "common/fiber.h" #include "common/logging/log.h" #include "common/thread_queue_list.h" #include "core/arm/arm_interface.h" +#ifdef ARCHITECTURE_x86_64 +#include "core/arm/dynarmic/arm_dynarmic_32.h" +#include "core/arm/dynarmic/arm_dynarmic_64.h" +#endif +#include "core/arm/cpu_interrupt_handler.h" +#include "core/arm/exclusive_monitor.h" +#include "core/arm/unicorn/arm_unicorn.h" #include "core/core.h" #include "core/core_timing.h" #include "core/core_timing_util.h" +#include "core/cpu_manager.h" #include "core/hardware_properties.h" #include "core/hle/kernel/errors.h" #include "core/hle/kernel/handle_table.h" @@ -23,6 +32,7 @@ #include "core/hle/kernel/process.h" #include "core/hle/kernel/scheduler.h" #include "core/hle/kernel/thread.h" +#include "core/hle/kernel/time_manager.h" #include "core/hle/result.h" #include "core/memory.h" @@ -44,46 +54,26 @@ Thread::Thread(KernelCore& kernel) : SynchronizationObject{kernel} {} Thread::~Thread() = default; void Thread::Stop() { - // Cancel any outstanding wakeup events for this thread - Core::System::GetInstance().CoreTiming().UnscheduleEvent(kernel.ThreadWakeupCallbackEventType(), - global_handle); - kernel.GlobalHandleTable().Close(global_handle); - global_handle = 0; - SetStatus(ThreadStatus::Dead); - Signal(); - - // Clean up any dangling references in objects that this thread was waiting for - for (auto& wait_object : wait_objects) { - wait_object->RemoveWaitingThread(SharedFrom(this)); - } - wait_objects.clear(); - - owner_process->UnregisterThread(this); - - // Mark the TLS slot in the thread's page as free. - owner_process->FreeTLSRegion(tls_address); -} - -void Thread::WakeAfterDelay(s64 nanoseconds) { - // Don't schedule a wakeup if the thread wants to wait forever - if (nanoseconds == -1) - return; + { + SchedulerLock lock(kernel); + SetStatus(ThreadStatus::Dead); + Signal(); + kernel.GlobalHandleTable().Close(global_handle); - // This function might be called from any thread so we have to be cautious and use the - // thread-safe version of ScheduleEvent. - const s64 cycles = Core::Timing::nsToCycles(std::chrono::nanoseconds{nanoseconds}); - Core::System::GetInstance().CoreTiming().ScheduleEvent( - cycles, kernel.ThreadWakeupCallbackEventType(), global_handle); -} + if (owner_process) { + owner_process->UnregisterThread(this); -void Thread::CancelWakeupTimer() { - Core::System::GetInstance().CoreTiming().UnscheduleEvent(kernel.ThreadWakeupCallbackEventType(), - global_handle); + // Mark the TLS slot in the thread's page as free. + owner_process->FreeTLSRegion(tls_address); + } + arm_interface.reset(); + has_exited = true; + } + global_handle = 0; } void Thread::ResumeFromWait() { - ASSERT_MSG(wait_objects.empty(), "Thread is waking up while waiting for objects"); - + SchedulerLock lock(kernel); switch (status) { case ThreadStatus::Paused: case ThreadStatus::WaitSynch: @@ -99,7 +89,7 @@ void Thread::ResumeFromWait() { case ThreadStatus::Ready: // The thread's wakeup callback must have already been cleared when the thread was first // awoken. - ASSERT(wakeup_callback == nullptr); + ASSERT(hle_callback == nullptr); // If the thread is waiting on multiple wait objects, it might be awoken more than once // before actually resuming. We can ignore subsequent wakeups if the thread status has // already been set to ThreadStatus::Ready. @@ -115,24 +105,31 @@ void Thread::ResumeFromWait() { return; } - wakeup_callback = nullptr; + SetStatus(ThreadStatus::Ready); +} + +void Thread::OnWakeUp() { + SchedulerLock lock(kernel); - if (activity == ThreadActivity::Paused) { - SetStatus(ThreadStatus::Paused); - return; - } + SetStatus(ThreadStatus::Ready); +} +ResultCode Thread::Start() { + SchedulerLock lock(kernel); SetStatus(ThreadStatus::Ready); + return RESULT_SUCCESS; } void Thread::CancelWait() { - if (GetSchedulingStatus() != ThreadSchedStatus::Paused) { + SchedulerLock lock(kernel); + if (GetSchedulingStatus() != ThreadSchedStatus::Paused || !is_waiting_on_sync) { is_sync_cancelled = true; return; } + // TODO(Blinkhawk): Implement cancel of server session is_sync_cancelled = false; - SetWaitSynchronizationResult(ERR_SYNCHRONIZATION_CANCELED); - ResumeFromWait(); + SetSynchronizationResults(nullptr, ERR_SYNCHRONIZATION_CANCELED); + SetStatus(ThreadStatus::Ready); } static void ResetThreadContext32(Core::ARM_Interface::ThreadContext32& context, u32 stack_top, @@ -153,12 +150,29 @@ static void ResetThreadContext64(Core::ARM_Interface::ThreadContext64& context, context.fpcr = 0; } -ResultVal<std::shared_ptr<Thread>> Thread::Create(KernelCore& kernel, std::string name, - VAddr entry_point, u32 priority, u64 arg, - s32 processor_id, VAddr stack_top, - Process& owner_process) { +std::shared_ptr<Common::Fiber>& Thread::GetHostContext() { + return host_context; +} + +ResultVal<std::shared_ptr<Thread>> Thread::Create(Core::System& system, ThreadType type_flags, + std::string name, VAddr entry_point, u32 priority, + u64 arg, s32 processor_id, VAddr stack_top, + Process* owner_process) { + std::function<void(void*)> init_func = system.GetCpuManager().GetGuestThreadStartFunc(); + void* init_func_parameter = system.GetCpuManager().GetStartFuncParamater(); + return Create(system, type_flags, name, entry_point, priority, arg, processor_id, stack_top, + owner_process, std::move(init_func), init_func_parameter); +} + +ResultVal<std::shared_ptr<Thread>> Thread::Create(Core::System& system, ThreadType type_flags, + std::string name, VAddr entry_point, u32 priority, + u64 arg, s32 processor_id, VAddr stack_top, + Process* owner_process, + std::function<void(void*)>&& thread_start_func, + void* thread_start_parameter) { + auto& kernel = system.Kernel(); // Check if priority is in ranged. Lowest priority -> highest priority id. - if (priority > THREADPRIO_LOWEST) { + if (priority > THREADPRIO_LOWEST && ((type_flags & THREADTYPE_IDLE) == 0)) { LOG_ERROR(Kernel_SVC, "Invalid thread priority: {}", priority); return ERR_INVALID_THREAD_PRIORITY; } @@ -168,11 +182,12 @@ ResultVal<std::shared_ptr<Thread>> Thread::Create(KernelCore& kernel, std::strin return ERR_INVALID_PROCESSOR_ID; } - auto& system = Core::System::GetInstance(); - if (!system.Memory().IsValidVirtualAddress(owner_process, entry_point)) { - LOG_ERROR(Kernel_SVC, "(name={}): invalid entry {:016X}", name, entry_point); - // TODO (bunnei): Find the correct error code to use here - return RESULT_UNKNOWN; + if (owner_process) { + if (!system.Memory().IsValidVirtualAddress(*owner_process, entry_point)) { + LOG_ERROR(Kernel_SVC, "(name={}): invalid entry {:016X}", name, entry_point); + // TODO (bunnei): Find the correct error code to use here + return RESULT_UNKNOWN; + } } std::shared_ptr<Thread> thread = std::make_shared<Thread>(kernel); @@ -183,51 +198,82 @@ ResultVal<std::shared_ptr<Thread>> Thread::Create(KernelCore& kernel, std::strin thread->stack_top = stack_top; thread->tpidr_el0 = 0; thread->nominal_priority = thread->current_priority = priority; - thread->last_running_ticks = system.CoreTiming().GetTicks(); + thread->last_running_ticks = 0; thread->processor_id = processor_id; thread->ideal_core = processor_id; thread->affinity_mask = 1ULL << processor_id; - thread->wait_objects.clear(); + thread->wait_objects = nullptr; thread->mutex_wait_address = 0; thread->condvar_wait_address = 0; thread->wait_handle = 0; thread->name = std::move(name); thread->global_handle = kernel.GlobalHandleTable().Create(thread).Unwrap(); - thread->owner_process = &owner_process; - auto& scheduler = kernel.GlobalScheduler(); - scheduler.AddThread(thread); - thread->tls_address = thread->owner_process->CreateTLSRegion(); - - thread->owner_process->RegisterThread(thread.get()); + thread->owner_process = owner_process; + thread->type = type_flags; + if ((type_flags & THREADTYPE_IDLE) == 0) { + auto& scheduler = kernel.GlobalScheduler(); + scheduler.AddThread(thread); + } + if (owner_process) { + thread->tls_address = thread->owner_process->CreateTLSRegion(); + thread->owner_process->RegisterThread(thread.get()); + } else { + thread->tls_address = 0; + } + // TODO(peachum): move to ScheduleThread() when scheduler is added so selected core is used + // to initialize the context + thread->arm_interface.reset(); + if ((type_flags & THREADTYPE_HLE) == 0) { +#ifdef ARCHITECTURE_x86_64 + if (owner_process && !owner_process->Is64BitProcess()) { + thread->arm_interface = std::make_unique<Core::ARM_Dynarmic_32>( + system, kernel.Interrupts(), kernel.IsMulticore(), kernel.GetExclusiveMonitor(), + processor_id); + } else { + thread->arm_interface = std::make_unique<Core::ARM_Dynarmic_64>( + system, kernel.Interrupts(), kernel.IsMulticore(), kernel.GetExclusiveMonitor(), + processor_id); + } - ResetThreadContext32(thread->context_32, static_cast<u32>(stack_top), - static_cast<u32>(entry_point), static_cast<u32>(arg)); - ResetThreadContext64(thread->context_64, stack_top, entry_point, arg); +#else + if (owner_process && !owner_process->Is64BitProcess()) { + thread->arm_interface = std::make_shared<Core::ARM_Unicorn>( + system, kernel.Interrupts(), kernel.IsMulticore(), ARM_Unicorn::Arch::AArch32, + processor_id); + } else { + thread->arm_interface = std::make_shared<Core::ARM_Unicorn>( + system, kernel.Interrupts(), kernel.IsMulticore(), ARM_Unicorn::Arch::AArch64, + processor_id); + } + LOG_WARNING(Core, "CPU JIT requested, but Dynarmic not available"); +#endif + ResetThreadContext32(thread->context_32, static_cast<u32>(stack_top), + static_cast<u32>(entry_point), static_cast<u32>(arg)); + ResetThreadContext64(thread->context_64, stack_top, entry_point, arg); + } + thread->host_context = + std::make_shared<Common::Fiber>(std::move(thread_start_func), thread_start_parameter); return MakeResult<std::shared_ptr<Thread>>(std::move(thread)); } void Thread::SetPriority(u32 priority) { + SchedulerLock lock(kernel); ASSERT_MSG(priority <= THREADPRIO_LOWEST && priority >= THREADPRIO_HIGHEST, "Invalid priority value."); nominal_priority = priority; UpdatePriority(); } -void Thread::SetWaitSynchronizationResult(ResultCode result) { - context_32.cpu_registers[0] = result.raw; - context_64.cpu_registers[0] = result.raw; -} - -void Thread::SetWaitSynchronizationOutput(s32 output) { - context_32.cpu_registers[1] = output; - context_64.cpu_registers[1] = output; +void Thread::SetSynchronizationResults(SynchronizationObject* object, ResultCode result) { + signaling_object = object; + signaling_result = result; } s32 Thread::GetSynchronizationObjectIndex(std::shared_ptr<SynchronizationObject> object) const { - ASSERT_MSG(!wait_objects.empty(), "Thread is not waiting for anything"); - const auto match = std::find(wait_objects.rbegin(), wait_objects.rend(), object); - return static_cast<s32>(std::distance(match, wait_objects.rend()) - 1); + ASSERT_MSG(!wait_objects->empty(), "Thread is not waiting for anything"); + const auto match = std::find(wait_objects->rbegin(), wait_objects->rend(), object); + return static_cast<s32>(std::distance(match, wait_objects->rend()) - 1); } VAddr Thread::GetCommandBufferAddress() const { @@ -236,6 +282,14 @@ VAddr Thread::GetCommandBufferAddress() const { return GetTLSAddress() + command_header_offset; } +Core::ARM_Interface& Thread::ArmInterface() { + return *arm_interface; +} + +const Core::ARM_Interface& Thread::ArmInterface() const { + return *arm_interface; +} + void Thread::SetStatus(ThreadStatus new_status) { if (new_status == status) { return; @@ -257,10 +311,6 @@ void Thread::SetStatus(ThreadStatus new_status) { break; } - if (status == ThreadStatus::Running) { - last_running_ticks = Core::System::GetInstance().CoreTiming().GetTicks(); - } - status = new_status; } @@ -341,75 +391,116 @@ void Thread::UpdatePriority() { lock_owner->UpdatePriority(); } -void Thread::ChangeCore(u32 core, u64 mask) { - SetCoreAndAffinityMask(core, mask); -} - bool Thread::AllSynchronizationObjectsReady() const { - return std::none_of(wait_objects.begin(), wait_objects.end(), + return std::none_of(wait_objects->begin(), wait_objects->end(), [this](const std::shared_ptr<SynchronizationObject>& object) { return object->ShouldWait(this); }); } -bool Thread::InvokeWakeupCallback(ThreadWakeupReason reason, std::shared_ptr<Thread> thread, - std::shared_ptr<SynchronizationObject> object, - std::size_t index) { - ASSERT(wakeup_callback); - return wakeup_callback(reason, std::move(thread), std::move(object), index); +bool Thread::InvokeHLECallback(std::shared_ptr<Thread> thread) { + ASSERT(hle_callback); + return hle_callback(std::move(thread)); } -void Thread::SetActivity(ThreadActivity value) { - activity = value; +ResultCode Thread::SetActivity(ThreadActivity value) { + SchedulerLock lock(kernel); + + auto sched_status = GetSchedulingStatus(); + + if (sched_status != ThreadSchedStatus::Runnable && sched_status != ThreadSchedStatus::Paused) { + return ERR_INVALID_STATE; + } + + if (IsPendingTermination()) { + return RESULT_SUCCESS; + } if (value == ThreadActivity::Paused) { - // Set status if not waiting - if (status == ThreadStatus::Ready || status == ThreadStatus::Running) { - SetStatus(ThreadStatus::Paused); - kernel.PrepareReschedule(processor_id); + if ((pausing_state & static_cast<u32>(ThreadSchedFlags::ThreadPauseFlag)) != 0) { + return ERR_INVALID_STATE; + } + AddSchedulingFlag(ThreadSchedFlags::ThreadPauseFlag); + } else { + if ((pausing_state & static_cast<u32>(ThreadSchedFlags::ThreadPauseFlag)) == 0) { + return ERR_INVALID_STATE; } - } else if (status == ThreadStatus::Paused) { - // Ready to reschedule - ResumeFromWait(); + RemoveSchedulingFlag(ThreadSchedFlags::ThreadPauseFlag); } + return RESULT_SUCCESS; } -void Thread::Sleep(s64 nanoseconds) { - // Sleep current thread and check for next thread to schedule - SetStatus(ThreadStatus::WaitSleep); +ResultCode Thread::Sleep(s64 nanoseconds) { + Handle event_handle{}; + { + SchedulerLockAndSleep lock(kernel, event_handle, this, nanoseconds); + SetStatus(ThreadStatus::WaitSleep); + } - // Create an event to wake the thread up after the specified nanosecond delay has passed - WakeAfterDelay(nanoseconds); + if (event_handle != InvalidHandle) { + auto& time_manager = kernel.TimeManager(); + time_manager.UnscheduleTimeEvent(event_handle); + } + return RESULT_SUCCESS; +} + +std::pair<ResultCode, bool> Thread::YieldSimple() { + bool is_redundant = false; + { + SchedulerLock lock(kernel); + is_redundant = kernel.GlobalScheduler().YieldThread(this); + } + return {RESULT_SUCCESS, is_redundant}; +} + +std::pair<ResultCode, bool> Thread::YieldAndBalanceLoad() { + bool is_redundant = false; + { + SchedulerLock lock(kernel); + is_redundant = kernel.GlobalScheduler().YieldThreadAndBalanceLoad(this); + } + return {RESULT_SUCCESS, is_redundant}; } -bool Thread::YieldSimple() { - auto& scheduler = kernel.GlobalScheduler(); - return scheduler.YieldThread(this); +std::pair<ResultCode, bool> Thread::YieldAndWaitForLoadBalancing() { + bool is_redundant = false; + { + SchedulerLock lock(kernel); + is_redundant = kernel.GlobalScheduler().YieldThreadAndWaitForLoadBalancing(this); + } + return {RESULT_SUCCESS, is_redundant}; } -bool Thread::YieldAndBalanceLoad() { - auto& scheduler = kernel.GlobalScheduler(); - return scheduler.YieldThreadAndBalanceLoad(this); +void Thread::AddSchedulingFlag(ThreadSchedFlags flag) { + const u32 old_state = scheduling_state; + pausing_state |= static_cast<u32>(flag); + const u32 base_scheduling = static_cast<u32>(GetSchedulingStatus()); + scheduling_state = base_scheduling | pausing_state; + kernel.GlobalScheduler().AdjustSchedulingOnStatus(this, old_state); } -bool Thread::YieldAndWaitForLoadBalancing() { - auto& scheduler = kernel.GlobalScheduler(); - return scheduler.YieldThreadAndWaitForLoadBalancing(this); +void Thread::RemoveSchedulingFlag(ThreadSchedFlags flag) { + const u32 old_state = scheduling_state; + pausing_state &= ~static_cast<u32>(flag); + const u32 base_scheduling = static_cast<u32>(GetSchedulingStatus()); + scheduling_state = base_scheduling | pausing_state; + kernel.GlobalScheduler().AdjustSchedulingOnStatus(this, old_state); } void Thread::SetSchedulingStatus(ThreadSchedStatus new_status) { - const u32 old_flags = scheduling_state; + const u32 old_state = scheduling_state; scheduling_state = (scheduling_state & static_cast<u32>(ThreadSchedMasks::HighMask)) | static_cast<u32>(new_status); - AdjustSchedulingOnStatus(old_flags); + kernel.GlobalScheduler().AdjustSchedulingOnStatus(this, old_state); } void Thread::SetCurrentPriority(u32 new_priority) { const u32 old_priority = std::exchange(current_priority, new_priority); - AdjustSchedulingOnPriority(old_priority); + kernel.GlobalScheduler().AdjustSchedulingOnPriority(this, old_priority); } ResultCode Thread::SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask) { + SchedulerLock lock(kernel); const auto HighestSetCore = [](u64 mask, u32 max_cores) { for (s32 core = static_cast<s32>(max_cores - 1); core >= 0; core--) { if (((mask >> core) & 1) != 0) { @@ -443,111 +534,12 @@ ResultCode Thread::SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask) { processor_id = ideal_core; } } - AdjustSchedulingOnAffinity(old_affinity_mask, old_core); + kernel.GlobalScheduler().AdjustSchedulingOnAffinity(this, old_affinity_mask, old_core); } } return RESULT_SUCCESS; } -void Thread::AdjustSchedulingOnStatus(u32 old_flags) { - if (old_flags == scheduling_state) { - return; - } - - auto& scheduler = kernel.GlobalScheduler(); - if (static_cast<ThreadSchedStatus>(old_flags & static_cast<u32>(ThreadSchedMasks::LowMask)) == - ThreadSchedStatus::Runnable) { - // In this case the thread was running, now it's pausing/exitting - if (processor_id >= 0) { - scheduler.Unschedule(current_priority, static_cast<u32>(processor_id), this); - } - - for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { - if (core != static_cast<u32>(processor_id) && ((affinity_mask >> core) & 1) != 0) { - scheduler.Unsuggest(current_priority, core, this); - } - } - } else if (GetSchedulingStatus() == ThreadSchedStatus::Runnable) { - // The thread is now set to running from being stopped - if (processor_id >= 0) { - scheduler.Schedule(current_priority, static_cast<u32>(processor_id), this); - } - - for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { - if (core != static_cast<u32>(processor_id) && ((affinity_mask >> core) & 1) != 0) { - scheduler.Suggest(current_priority, core, this); - } - } - } - - scheduler.SetReselectionPending(); -} - -void Thread::AdjustSchedulingOnPriority(u32 old_priority) { - if (GetSchedulingStatus() != ThreadSchedStatus::Runnable) { - return; - } - auto& scheduler = kernel.GlobalScheduler(); - if (processor_id >= 0) { - scheduler.Unschedule(old_priority, static_cast<u32>(processor_id), this); - } - - for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { - if (core != static_cast<u32>(processor_id) && ((affinity_mask >> core) & 1) != 0) { - scheduler.Unsuggest(old_priority, core, this); - } - } - - // Add thread to the new priority queues. - Thread* current_thread = GetCurrentThread(); - - if (processor_id >= 0) { - if (current_thread == this) { - scheduler.SchedulePrepend(current_priority, static_cast<u32>(processor_id), this); - } else { - scheduler.Schedule(current_priority, static_cast<u32>(processor_id), this); - } - } - - for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { - if (core != static_cast<u32>(processor_id) && ((affinity_mask >> core) & 1) != 0) { - scheduler.Suggest(current_priority, core, this); - } - } - - scheduler.SetReselectionPending(); -} - -void Thread::AdjustSchedulingOnAffinity(u64 old_affinity_mask, s32 old_core) { - auto& scheduler = kernel.GlobalScheduler(); - if (GetSchedulingStatus() != ThreadSchedStatus::Runnable || - current_priority >= THREADPRIO_COUNT) { - return; - } - - for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { - if (((old_affinity_mask >> core) & 1) != 0) { - if (core == static_cast<u32>(old_core)) { - scheduler.Unschedule(current_priority, core, this); - } else { - scheduler.Unsuggest(current_priority, core, this); - } - } - } - - for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { - if (((affinity_mask >> core) & 1) != 0) { - if (core == static_cast<u32>(processor_id)) { - scheduler.Schedule(current_priority, core, this); - } else { - scheduler.Suggest(current_priority, core, this); - } - } - } - - scheduler.SetReselectionPending(); -} - //////////////////////////////////////////////////////////////////////////////////////////////////// /** diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h index 23fdef8a4..c0342c462 100644 --- a/src/core/hle/kernel/thread.h +++ b/src/core/hle/kernel/thread.h @@ -6,26 +6,47 @@ #include <functional> #include <string> +#include <utility> #include <vector> #include "common/common_types.h" +#include "common/spin_lock.h" #include "core/arm/arm_interface.h" #include "core/hle/kernel/object.h" #include "core/hle/kernel/synchronization_object.h" #include "core/hle/result.h" +namespace Common { +class Fiber; +} + +namespace Core { +class ARM_Interface; +class System; +} // namespace Core + namespace Kernel { +class GlobalScheduler; class KernelCore; class Process; class Scheduler; enum ThreadPriority : u32 { - THREADPRIO_HIGHEST = 0, ///< Highest thread priority - THREADPRIO_USERLAND_MAX = 24, ///< Highest thread priority for userland apps - THREADPRIO_DEFAULT = 44, ///< Default thread priority for userland apps - THREADPRIO_LOWEST = 63, ///< Lowest thread priority - THREADPRIO_COUNT = 64, ///< Total number of possible thread priorities. + THREADPRIO_HIGHEST = 0, ///< Highest thread priority + THREADPRIO_MAX_CORE_MIGRATION = 2, ///< Highest priority for a core migration + THREADPRIO_USERLAND_MAX = 24, ///< Highest thread priority for userland apps + THREADPRIO_DEFAULT = 44, ///< Default thread priority for userland apps + THREADPRIO_LOWEST = 63, ///< Lowest thread priority + THREADPRIO_COUNT = 64, ///< Total number of possible thread priorities. +}; + +enum ThreadType : u32 { + THREADTYPE_USER = 0x1, + THREADTYPE_KERNEL = 0x2, + THREADTYPE_HLE = 0x4, + THREADTYPE_IDLE = 0x8, + THREADTYPE_SUSPEND = 0x10, }; enum ThreadProcessorId : s32 { @@ -107,26 +128,45 @@ public: using ThreadSynchronizationObjects = std::vector<std::shared_ptr<SynchronizationObject>>; - using WakeupCallback = - std::function<bool(ThreadWakeupReason reason, std::shared_ptr<Thread> thread, - std::shared_ptr<SynchronizationObject> object, std::size_t index)>; + using HLECallback = std::function<bool(std::shared_ptr<Thread> thread)>; + + /** + * Creates and returns a new thread. The new thread is immediately scheduled + * @param system The instance of the whole system + * @param name The friendly name desired for the thread + * @param entry_point The address at which the thread should start execution + * @param priority The thread's priority + * @param arg User data to pass to the thread + * @param processor_id The ID(s) of the processors on which the thread is desired to be run + * @param stack_top The address of the thread's stack top + * @param owner_process The parent process for the thread, if null, it's a kernel thread + * @return A shared pointer to the newly created thread + */ + static ResultVal<std::shared_ptr<Thread>> Create(Core::System& system, ThreadType type_flags, + std::string name, VAddr entry_point, + u32 priority, u64 arg, s32 processor_id, + VAddr stack_top, Process* owner_process); /** * Creates and returns a new thread. The new thread is immediately scheduled - * @param kernel The kernel instance this thread will be created under. + * @param system The instance of the whole system * @param name The friendly name desired for the thread * @param entry_point The address at which the thread should start execution * @param priority The thread's priority * @param arg User data to pass to the thread * @param processor_id The ID(s) of the processors on which the thread is desired to be run * @param stack_top The address of the thread's stack top - * @param owner_process The parent process for the thread + * @param owner_process The parent process for the thread, if null, it's a kernel thread + * @param thread_start_func The function where the host context will start. + * @param thread_start_parameter The parameter which will passed to host context on init * @return A shared pointer to the newly created thread */ - static ResultVal<std::shared_ptr<Thread>> Create(KernelCore& kernel, std::string name, - VAddr entry_point, u32 priority, u64 arg, - s32 processor_id, VAddr stack_top, - Process& owner_process); + static ResultVal<std::shared_ptr<Thread>> Create(Core::System& system, ThreadType type_flags, + std::string name, VAddr entry_point, + u32 priority, u64 arg, s32 processor_id, + VAddr stack_top, Process* owner_process, + std::function<void(void*)>&& thread_start_func, + void* thread_start_parameter); std::string GetName() const override { return name; @@ -181,7 +221,7 @@ public: void UpdatePriority(); /// Changes the core that the thread is running or scheduled to run on. - void ChangeCore(u32 core, u64 mask); + ResultCode SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask); /** * Gets the thread's thread ID @@ -194,6 +234,10 @@ public: /// Resumes a thread from waiting void ResumeFromWait(); + void OnWakeUp(); + + ResultCode Start(); + /// Cancels a waiting operation that this thread may or may not be within. /// /// When the thread is within a waiting state, this will set the thread's @@ -202,26 +246,19 @@ public: /// void CancelWait(); - /** - * Schedules an event to wake up the specified thread after the specified delay - * @param nanoseconds The time this thread will be allowed to sleep for - */ - void WakeAfterDelay(s64 nanoseconds); + void SetSynchronizationResults(SynchronizationObject* object, ResultCode result); - /// Cancel any outstanding wakeup events for this thread - void CancelWakeupTimer(); + Core::ARM_Interface& ArmInterface(); - /** - * Sets the result after the thread awakens (from svcWaitSynchronization) - * @param result Value to set to the returned result - */ - void SetWaitSynchronizationResult(ResultCode result); + const Core::ARM_Interface& ArmInterface() const; - /** - * Sets the output parameter value after the thread awakens (from svcWaitSynchronization) - * @param output Value to set to the output parameter - */ - void SetWaitSynchronizationOutput(s32 output); + SynchronizationObject* GetSignalingObject() const { + return signaling_object; + } + + ResultCode GetSignalingResult() const { + return signaling_result; + } /** * Retrieves the index that this particular object occupies in the list of objects @@ -269,11 +306,6 @@ public: */ VAddr GetCommandBufferAddress() const; - /// Returns whether this thread is waiting on objects from a WaitSynchronization call. - bool IsSleepingOnWait() const { - return status == ThreadStatus::WaitSynch; - } - ThreadContext32& GetContext32() { return context_32; } @@ -290,6 +322,28 @@ public: return context_64; } + bool IsHLEThread() const { + return (type & THREADTYPE_HLE) != 0; + } + + bool IsSuspendThread() const { + return (type & THREADTYPE_SUSPEND) != 0; + } + + bool IsIdleThread() const { + return (type & THREADTYPE_IDLE) != 0; + } + + bool WasRunning() const { + return was_running; + } + + void SetWasRunning(bool value) { + was_running = value; + } + + std::shared_ptr<Common::Fiber>& GetHostContext(); + ThreadStatus GetStatus() const { return status; } @@ -325,18 +379,18 @@ public: } const ThreadSynchronizationObjects& GetSynchronizationObjects() const { - return wait_objects; + return *wait_objects; } - void SetSynchronizationObjects(ThreadSynchronizationObjects objects) { - wait_objects = std::move(objects); + void SetSynchronizationObjects(ThreadSynchronizationObjects* objects) { + wait_objects = objects; } void ClearSynchronizationObjects() { - for (const auto& waiting_object : wait_objects) { + for (const auto& waiting_object : *wait_objects) { waiting_object->RemoveWaitingThread(SharedFrom(this)); } - wait_objects.clear(); + wait_objects->clear(); } /// Determines whether all the objects this thread is waiting on are ready. @@ -386,26 +440,35 @@ public: arb_wait_address = address; } - bool HasWakeupCallback() const { - return wakeup_callback != nullptr; + bool HasHLECallback() const { + return hle_callback != nullptr; } - void SetWakeupCallback(WakeupCallback callback) { - wakeup_callback = std::move(callback); + void SetHLECallback(HLECallback callback) { + hle_callback = std::move(callback); } - void InvalidateWakeupCallback() { - SetWakeupCallback(nullptr); + void SetHLETimeEvent(Handle time_event) { + hle_time_event = time_event; } - /** - * Invokes the thread's wakeup callback. - * - * @pre A valid wakeup callback has been set. Violating this precondition - * will cause an assertion to trigger. - */ - bool InvokeWakeupCallback(ThreadWakeupReason reason, std::shared_ptr<Thread> thread, - std::shared_ptr<SynchronizationObject> object, std::size_t index); + void SetHLESyncObject(SynchronizationObject* object) { + hle_object = object; + } + + Handle GetHLETimeEvent() const { + return hle_time_event; + } + + SynchronizationObject* GetHLESyncObject() const { + return hle_object; + } + + void InvalidateHLECallback() { + SetHLECallback(nullptr); + } + + bool InvokeHLECallback(std::shared_ptr<Thread> thread); u32 GetIdealCore() const { return ideal_core; @@ -415,23 +478,19 @@ public: return affinity_mask; } - ThreadActivity GetActivity() const { - return activity; - } - - void SetActivity(ThreadActivity value); + ResultCode SetActivity(ThreadActivity value); /// Sleeps this thread for the given amount of nanoseconds. - void Sleep(s64 nanoseconds); + ResultCode Sleep(s64 nanoseconds); /// Yields this thread without rebalancing loads. - bool YieldSimple(); + std::pair<ResultCode, bool> YieldSimple(); /// Yields this thread and does a load rebalancing. - bool YieldAndBalanceLoad(); + std::pair<ResultCode, bool> YieldAndBalanceLoad(); /// Yields this thread and if the core is left idle, loads are rebalanced - bool YieldAndWaitForLoadBalancing(); + std::pair<ResultCode, bool> YieldAndWaitForLoadBalancing(); void IncrementYieldCount() { yield_count++; @@ -446,6 +505,10 @@ public: static_cast<u32>(ThreadSchedMasks::LowMask)); } + bool IsRunnable() const { + return scheduling_state == static_cast<u32>(ThreadSchedStatus::Runnable); + } + bool IsRunning() const { return is_running; } @@ -466,17 +529,67 @@ public: return global_handle; } + bool IsWaitingForArbitration() const { + return waiting_for_arbitration; + } + + void WaitForArbitration(bool set) { + waiting_for_arbitration = set; + } + + bool IsWaitingSync() const { + return is_waiting_on_sync; + } + + void SetWaitingSync(bool is_waiting) { + is_waiting_on_sync = is_waiting; + } + + bool IsPendingTermination() const { + return will_be_terminated || GetSchedulingStatus() == ThreadSchedStatus::Exited; + } + + bool IsPaused() const { + return pausing_state != 0; + } + + bool IsContinuousOnSVC() const { + return is_continuous_on_svc; + } + + void SetContinuousOnSVC(bool is_continuous) { + is_continuous_on_svc = is_continuous; + } + + bool IsPhantomMode() const { + return is_phantom_mode; + } + + void SetPhantomMode(bool phantom) { + is_phantom_mode = phantom; + } + + bool HasExited() const { + return has_exited; + } + private: + friend class GlobalScheduler; + friend class Scheduler; + void SetSchedulingStatus(ThreadSchedStatus new_status); + void AddSchedulingFlag(ThreadSchedFlags flag); + void RemoveSchedulingFlag(ThreadSchedFlags flag); + void SetCurrentPriority(u32 new_priority); - ResultCode SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask); - void AdjustSchedulingOnStatus(u32 old_flags); - void AdjustSchedulingOnPriority(u32 old_priority); void AdjustSchedulingOnAffinity(u64 old_affinity_mask, s32 old_core); + Common::SpinLock context_guard{}; ThreadContext32 context_32{}; ThreadContext64 context_64{}; + std::unique_ptr<Core::ARM_Interface> arm_interface{}; + std::shared_ptr<Common::Fiber> host_context{}; u64 thread_id = 0; @@ -485,6 +598,8 @@ private: VAddr entry_point = 0; VAddr stack_top = 0; + ThreadType type; + /// Nominal thread priority, as set by the emulated application. /// The nominal priority is the thread priority without priority /// inheritance taken into account. @@ -509,7 +624,10 @@ private: /// Objects that the thread is waiting on, in the same order as they were /// passed to WaitSynchronization. - ThreadSynchronizationObjects wait_objects; + ThreadSynchronizationObjects* wait_objects; + + SynchronizationObject* signaling_object; + ResultCode signaling_result{RESULT_SUCCESS}; /// List of threads that are waiting for a mutex that is held by this thread. MutexWaitingThreads wait_mutex_threads; @@ -526,30 +644,39 @@ private: /// If waiting for an AddressArbiter, this is the address being waited on. VAddr arb_wait_address{0}; + bool waiting_for_arbitration{}; /// Handle used as userdata to reference this object when inserting into the CoreTiming queue. Handle global_handle = 0; - /// Callback that will be invoked when the thread is resumed from a waiting state. If the thread - /// was waiting via WaitSynchronization then the object will be the last object that became - /// available. In case of a timeout, the object will be nullptr. - WakeupCallback wakeup_callback; + /// Callback for HLE Events + HLECallback hle_callback; + Handle hle_time_event; + SynchronizationObject* hle_object; Scheduler* scheduler = nullptr; u32 ideal_core{0xFFFFFFFF}; u64 affinity_mask{0x1}; - ThreadActivity activity = ThreadActivity::Normal; - s32 ideal_core_override = -1; u64 affinity_mask_override = 0x1; u32 affinity_override_count = 0; u32 scheduling_state = 0; + u32 pausing_state = 0; bool is_running = false; + bool is_waiting_on_sync = false; bool is_sync_cancelled = false; + bool is_continuous_on_svc = false; + + bool will_be_terminated = false; + bool is_phantom_mode = false; + bool has_exited = false; + + bool was_running = false; + std::string name; }; diff --git a/src/core/hle/kernel/time_manager.cpp b/src/core/hle/kernel/time_manager.cpp index 21b290468..941305e8e 100644 --- a/src/core/hle/kernel/time_manager.cpp +++ b/src/core/hle/kernel/time_manager.cpp @@ -8,30 +8,37 @@ #include "core/core_timing_util.h" #include "core/hle/kernel/handle_table.h" #include "core/hle/kernel/kernel.h" +#include "core/hle/kernel/scheduler.h" #include "core/hle/kernel/thread.h" #include "core/hle/kernel/time_manager.h" namespace Kernel { -TimeManager::TimeManager(Core::System& system) : system{system} { +TimeManager::TimeManager(Core::System& system_) : system{system_} { time_manager_event_type = Core::Timing::CreateEvent( "Kernel::TimeManagerCallback", [this](u64 thread_handle, [[maybe_unused]] s64 cycles_late) { + SchedulerLock lock(system.Kernel()); Handle proper_handle = static_cast<Handle>(thread_handle); + if (cancelled_events[proper_handle]) { + return; + } std::shared_ptr<Thread> thread = this->system.Kernel().RetrieveThreadFromGlobalHandleTable(proper_handle); - thread->ResumeFromWait(); + thread->OnWakeUp(); }); } void TimeManager::ScheduleTimeEvent(Handle& event_handle, Thread* timetask, s64 nanoseconds) { + event_handle = timetask->GetGlobalHandle(); if (nanoseconds > 0) { ASSERT(timetask); - event_handle = timetask->GetGlobalHandle(); - const s64 cycles = Core::Timing::nsToCycles(std::chrono::nanoseconds{nanoseconds}); - system.CoreTiming().ScheduleEvent(cycles, time_manager_event_type, event_handle); + ASSERT(timetask->GetStatus() != ThreadStatus::Ready); + ASSERT(timetask->GetStatus() != ThreadStatus::WaitMutex); + system.CoreTiming().ScheduleEvent(nanoseconds, time_manager_event_type, event_handle); } else { event_handle = InvalidHandle; } + cancelled_events[event_handle] = false; } void TimeManager::UnscheduleTimeEvent(Handle event_handle) { @@ -39,6 +46,12 @@ void TimeManager::UnscheduleTimeEvent(Handle event_handle) { return; } system.CoreTiming().UnscheduleEvent(time_manager_event_type, event_handle); + cancelled_events[event_handle] = true; +} + +void TimeManager::CancelTimeEvent(Thread* time_task) { + Handle event_handle = time_task->GetGlobalHandle(); + UnscheduleTimeEvent(event_handle); } } // namespace Kernel diff --git a/src/core/hle/kernel/time_manager.h b/src/core/hle/kernel/time_manager.h index eaec486d1..307a18765 100644 --- a/src/core/hle/kernel/time_manager.h +++ b/src/core/hle/kernel/time_manager.h @@ -5,6 +5,7 @@ #pragma once #include <memory> +#include <unordered_map> #include "core/hle/kernel/object.h" @@ -35,9 +36,12 @@ public: /// Unschedule an existing time event void UnscheduleTimeEvent(Handle event_handle); + void CancelTimeEvent(Thread* time_task); + private: Core::System& system; std::shared_ptr<Core::Timing::EventType> time_manager_event_type; + std::unordered_map<Handle, bool> cancelled_events; }; } // namespace Kernel diff --git a/src/core/hle/service/hid/controllers/debug_pad.cpp b/src/core/hle/service/hid/controllers/debug_pad.cpp index 1f2131ec8..cb35919e9 100644 --- a/src/core/hle/service/hid/controllers/debug_pad.cpp +++ b/src/core/hle/service/hid/controllers/debug_pad.cpp @@ -23,7 +23,7 @@ void Controller_DebugPad::OnRelease() {} void Controller_DebugPad::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) { - shared_memory.header.timestamp = core_timing.GetTicks(); + shared_memory.header.timestamp = core_timing.GetCPUTicks(); shared_memory.header.total_entry_count = 17; if (!IsControllerActivated()) { diff --git a/src/core/hle/service/hid/controllers/gesture.cpp b/src/core/hle/service/hid/controllers/gesture.cpp index 6e990dd00..b7b7bfeae 100644 --- a/src/core/hle/service/hid/controllers/gesture.cpp +++ b/src/core/hle/service/hid/controllers/gesture.cpp @@ -19,7 +19,7 @@ void Controller_Gesture::OnRelease() {} void Controller_Gesture::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) { - shared_memory.header.timestamp = core_timing.GetTicks(); + shared_memory.header.timestamp = core_timing.GetCPUTicks(); shared_memory.header.total_entry_count = 17; if (!IsControllerActivated()) { diff --git a/src/core/hle/service/hid/controllers/keyboard.cpp b/src/core/hle/service/hid/controllers/keyboard.cpp index 9a8d354ba..feae89525 100644 --- a/src/core/hle/service/hid/controllers/keyboard.cpp +++ b/src/core/hle/service/hid/controllers/keyboard.cpp @@ -21,7 +21,7 @@ void Controller_Keyboard::OnRelease() {} void Controller_Keyboard::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) { - shared_memory.header.timestamp = core_timing.GetTicks(); + shared_memory.header.timestamp = core_timing.GetCPUTicks(); shared_memory.header.total_entry_count = 17; if (!IsControllerActivated()) { diff --git a/src/core/hle/service/hid/controllers/mouse.cpp b/src/core/hle/service/hid/controllers/mouse.cpp index 93d88ea50..ac40989c5 100644 --- a/src/core/hle/service/hid/controllers/mouse.cpp +++ b/src/core/hle/service/hid/controllers/mouse.cpp @@ -19,7 +19,7 @@ void Controller_Mouse::OnRelease() {} void Controller_Mouse::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) { - shared_memory.header.timestamp = core_timing.GetTicks(); + shared_memory.header.timestamp = core_timing.GetCPUTicks(); shared_memory.header.total_entry_count = 17; if (!IsControllerActivated()) { diff --git a/src/core/hle/service/hid/controllers/npad.cpp b/src/core/hle/service/hid/controllers/npad.cpp index 6fbee7efa..ef67ad690 100644 --- a/src/core/hle/service/hid/controllers/npad.cpp +++ b/src/core/hle/service/hid/controllers/npad.cpp @@ -328,7 +328,7 @@ void Controller_NPad::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* const auto& last_entry = main_controller->npad[main_controller->common.last_entry_index]; - main_controller->common.timestamp = core_timing.GetTicks(); + main_controller->common.timestamp = core_timing.GetCPUTicks(); main_controller->common.last_entry_index = (main_controller->common.last_entry_index + 1) % 17; diff --git a/src/core/hle/service/hid/controllers/stubbed.cpp b/src/core/hle/service/hid/controllers/stubbed.cpp index 9e527d176..e7483bfa2 100644 --- a/src/core/hle/service/hid/controllers/stubbed.cpp +++ b/src/core/hle/service/hid/controllers/stubbed.cpp @@ -23,7 +23,7 @@ void Controller_Stubbed::OnUpdate(const Core::Timing::CoreTiming& core_timing, u } CommonHeader header{}; - header.timestamp = core_timing.GetTicks(); + header.timestamp = core_timing.GetCPUTicks(); header.total_entry_count = 17; header.entry_count = 0; header.last_entry_index = 0; diff --git a/src/core/hle/service/hid/controllers/touchscreen.cpp b/src/core/hle/service/hid/controllers/touchscreen.cpp index 1c6e55566..e326f8f5c 100644 --- a/src/core/hle/service/hid/controllers/touchscreen.cpp +++ b/src/core/hle/service/hid/controllers/touchscreen.cpp @@ -22,7 +22,7 @@ void Controller_Touchscreen::OnRelease() {} void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) { - shared_memory.header.timestamp = core_timing.GetTicks(); + shared_memory.header.timestamp = core_timing.GetCPUTicks(); shared_memory.header.total_entry_count = 17; if (!IsControllerActivated()) { @@ -49,7 +49,7 @@ void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timin touch_entry.diameter_x = Settings::values.touchscreen.diameter_x; touch_entry.diameter_y = Settings::values.touchscreen.diameter_y; touch_entry.rotation_angle = Settings::values.touchscreen.rotation_angle; - const u64 tick = core_timing.GetTicks(); + const u64 tick = core_timing.GetCPUTicks(); touch_entry.delta_time = tick - last_touch; last_touch = tick; touch_entry.finger = Settings::values.touchscreen.finger; diff --git a/src/core/hle/service/hid/controllers/xpad.cpp b/src/core/hle/service/hid/controllers/xpad.cpp index 27511b27b..2503ef241 100644 --- a/src/core/hle/service/hid/controllers/xpad.cpp +++ b/src/core/hle/service/hid/controllers/xpad.cpp @@ -20,7 +20,7 @@ void Controller_XPad::OnRelease() {} void Controller_XPad::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) { for (auto& xpad_entry : shared_memory.shared_memory_entries) { - xpad_entry.header.timestamp = core_timing.GetTicks(); + xpad_entry.header.timestamp = core_timing.GetCPUTicks(); xpad_entry.header.total_entry_count = 17; if (!IsControllerActivated()) { diff --git a/src/core/hle/service/hid/hid.cpp b/src/core/hle/service/hid/hid.cpp index 57d5edea7..e9020e0dc 100644 --- a/src/core/hle/service/hid/hid.cpp +++ b/src/core/hle/service/hid/hid.cpp @@ -39,11 +39,9 @@ namespace Service::HID { // Updating period for each HID device. // TODO(ogniK): Find actual polling rate of hid -constexpr s64 pad_update_ticks = static_cast<s64>(Core::Hardware::BASE_CLOCK_RATE / 66); -[[maybe_unused]] constexpr s64 accelerometer_update_ticks = - static_cast<s64>(Core::Hardware::BASE_CLOCK_RATE / 100); -[[maybe_unused]] constexpr s64 gyroscope_update_ticks = - static_cast<s64>(Core::Hardware::BASE_CLOCK_RATE / 100); +constexpr s64 pad_update_ticks = static_cast<s64>(1000000000 / 66); +[[maybe_unused]] constexpr s64 accelerometer_update_ticks = static_cast<s64>(1000000000 / 100); +[[maybe_unused]] constexpr s64 gyroscope_update_ticks = static_cast<s64>(1000000000 / 100); constexpr std::size_t SHARED_MEMORY_SIZE = 0x40000; IAppletResource::IAppletResource(Core::System& system) @@ -78,8 +76,8 @@ IAppletResource::IAppletResource(Core::System& system) // Register update callbacks pad_update_event = - Core::Timing::CreateEvent("HID::UpdatePadCallback", [this](u64 userdata, s64 cycles_late) { - UpdateControllers(userdata, cycles_late); + Core::Timing::CreateEvent("HID::UpdatePadCallback", [this](u64 userdata, s64 ns_late) { + UpdateControllers(userdata, ns_late); }); // TODO(shinyquagsire23): Other update callbacks? (accel, gyro?) @@ -109,7 +107,7 @@ void IAppletResource::GetSharedMemoryHandle(Kernel::HLERequestContext& ctx) { rb.PushCopyObjects(shared_mem); } -void IAppletResource::UpdateControllers(u64 userdata, s64 cycles_late) { +void IAppletResource::UpdateControllers(u64 userdata, s64 ns_late) { auto& core_timing = system.CoreTiming(); const bool should_reload = Settings::values.is_device_reload_pending.exchange(false); @@ -120,7 +118,7 @@ void IAppletResource::UpdateControllers(u64 userdata, s64 cycles_late) { controller->OnUpdate(core_timing, shared_mem->GetPointer(), SHARED_MEMORY_SIZE); } - core_timing.ScheduleEvent(pad_update_ticks - cycles_late, pad_update_event); + core_timing.ScheduleEvent(pad_update_ticks - ns_late, pad_update_event); } class IActiveVibrationDeviceList final : public ServiceFramework<IActiveVibrationDeviceList> { diff --git a/src/core/hle/service/hid/irs.cpp b/src/core/hle/service/hid/irs.cpp index 36ed6f7da..e82fd031b 100644 --- a/src/core/hle/service/hid/irs.cpp +++ b/src/core/hle/service/hid/irs.cpp @@ -98,7 +98,7 @@ void IRS::GetImageTransferProcessorState(Kernel::HLERequestContext& ctx) { IPC::ResponseBuilder rb{ctx, 5}; rb.Push(RESULT_SUCCESS); - rb.PushRaw<u64>(system.CoreTiming().GetTicks()); + rb.PushRaw<u64>(system.CoreTiming().GetCPUTicks()); rb.PushRaw<u32>(0); } diff --git a/src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.cpp b/src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.cpp index 0d913334e..fba89e7a6 100644 --- a/src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.cpp +++ b/src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.cpp @@ -200,8 +200,7 @@ u32 nvhost_ctrl_gpu::GetGpuTime(const std::vector<u8>& input, std::vector<u8>& o IoctlGetGpuTime params{}; std::memcpy(¶ms, input.data(), input.size()); - const auto ns = Core::Timing::CyclesToNs(system.CoreTiming().GetTicks()); - params.gpu_time = static_cast<u64_le>(ns.count()); + params.gpu_time = static_cast<u64_le>(system.CoreTiming().GetGlobalTimeNs().count()); std::memcpy(output.data(), ¶ms, output.size()); return 0; } diff --git a/src/core/hle/service/nvflinger/nvflinger.cpp b/src/core/hle/service/nvflinger/nvflinger.cpp index 437bc5dee..2f44d3779 100644 --- a/src/core/hle/service/nvflinger/nvflinger.cpp +++ b/src/core/hle/service/nvflinger/nvflinger.cpp @@ -9,6 +9,7 @@ #include "common/logging/log.h" #include "common/microprofile.h" #include "common/scope_exit.h" +#include "common/thread.h" #include "core/core.h" #include "core/core_timing.h" #include "core/core_timing_util.h" @@ -27,8 +28,35 @@ namespace Service::NVFlinger { -constexpr s64 frame_ticks = static_cast<s64>(Core::Hardware::BASE_CLOCK_RATE / 60); -constexpr s64 frame_ticks_30fps = static_cast<s64>(Core::Hardware::BASE_CLOCK_RATE / 30); +constexpr s64 frame_ticks = static_cast<s64>(1000000000 / 60); +constexpr s64 frame_ticks_30fps = static_cast<s64>(1000000000 / 30); + +void NVFlinger::VSyncThread(NVFlinger& nv_flinger) { + nv_flinger.SplitVSync(); +} + +void NVFlinger::SplitVSync() { + system.RegisterHostThread(); + std::string name = "yuzu:VSyncThread"; + MicroProfileOnThreadCreate(name.c_str()); + Common::SetCurrentThreadName(name.c_str()); + Common::SetCurrentThreadPriority(Common::ThreadPriority::High); + s64 delay = 0; + while (is_running) { + guard->lock(); + const s64 time_start = system.CoreTiming().GetGlobalTimeNs().count(); + Compose(); + const auto ticks = GetNextTicks(); + const s64 time_end = system.CoreTiming().GetGlobalTimeNs().count(); + const s64 time_passed = time_end - time_start; + const s64 next_time = std::max<s64>(0, ticks - time_passed - delay); + guard->unlock(); + if (next_time > 0) { + wait_event->WaitFor(std::chrono::nanoseconds{next_time}); + } + delay = (system.CoreTiming().GetGlobalTimeNs().count() - time_end) - next_time; + } +} NVFlinger::NVFlinger(Core::System& system) : system(system) { displays.emplace_back(0, "Default", system); @@ -36,22 +64,36 @@ NVFlinger::NVFlinger(Core::System& system) : system(system) { displays.emplace_back(2, "Edid", system); displays.emplace_back(3, "Internal", system); displays.emplace_back(4, "Null", system); + guard = std::make_shared<std::mutex>(); // Schedule the screen composition events composition_event = - Core::Timing::CreateEvent("ScreenComposition", [this](u64 userdata, s64 cycles_late) { + Core::Timing::CreateEvent("ScreenComposition", [this](u64 userdata, s64 ns_late) { + Lock(); Compose(); - const auto ticks = - Settings::values.force_30fps_mode ? frame_ticks_30fps : GetNextTicks(); - this->system.CoreTiming().ScheduleEvent(std::max<s64>(0LL, ticks - cycles_late), + const auto ticks = GetNextTicks(); + this->system.CoreTiming().ScheduleEvent(std::max<s64>(0LL, ticks - ns_late), composition_event); }); - - system.CoreTiming().ScheduleEvent(frame_ticks, composition_event); + if (system.IsMulticore()) { + is_running = true; + wait_event = std::make_unique<Common::Event>(); + vsync_thread = std::make_unique<std::thread>(VSyncThread, std::ref(*this)); + } else { + system.CoreTiming().ScheduleEvent(frame_ticks, composition_event); + } } NVFlinger::~NVFlinger() { - system.CoreTiming().UnscheduleEvent(composition_event, 0); + if (system.IsMulticore()) { + is_running = false; + wait_event->Set(); + vsync_thread->join(); + vsync_thread.reset(); + wait_event.reset(); + } else { + system.CoreTiming().UnscheduleEvent(composition_event, 0); + } } void NVFlinger::SetNVDrvInstance(std::shared_ptr<Nvidia::Module> instance) { @@ -199,10 +241,12 @@ void NVFlinger::Compose() { auto& gpu = system.GPU(); const auto& multi_fence = buffer->get().multi_fence; + guard->unlock(); for (u32 fence_id = 0; fence_id < multi_fence.num_fences; fence_id++) { const auto& fence = multi_fence.fences[fence_id]; gpu.WaitFence(fence.id, fence.value); } + guard->lock(); MicroProfileFlip(); @@ -223,7 +267,7 @@ void NVFlinger::Compose() { s64 NVFlinger::GetNextTicks() const { constexpr s64 max_hertz = 120LL; - return (Core::Hardware::BASE_CLOCK_RATE * (1LL << swap_interval)) / max_hertz; + return (1000000000 * (1LL << swap_interval)) / max_hertz; } } // namespace Service::NVFlinger diff --git a/src/core/hle/service/nvflinger/nvflinger.h b/src/core/hle/service/nvflinger/nvflinger.h index 57a21f33b..e4959a9af 100644 --- a/src/core/hle/service/nvflinger/nvflinger.h +++ b/src/core/hle/service/nvflinger/nvflinger.h @@ -4,15 +4,22 @@ #pragma once +#include <atomic> #include <memory> +#include <mutex> #include <optional> #include <string> #include <string_view> +#include <thread> #include <vector> #include "common/common_types.h" #include "core/hle/kernel/object.h" +namespace Common { +class Event; +} // namespace Common + namespace Core::Timing { class CoreTiming; struct EventType; @@ -79,6 +86,10 @@ public: s64 GetNextTicks() const; + std::unique_lock<std::mutex> Lock() { + return std::unique_lock{*guard}; + } + private: /// Finds the display identified by the specified ID. VI::Display* FindDisplay(u64 display_id); @@ -92,6 +103,10 @@ private: /// Finds the layer identified by the specified ID in the desired display. const VI::Layer* FindLayer(u64 display_id, u64 layer_id) const; + static void VSyncThread(NVFlinger& nv_flinger); + + void SplitVSync(); + std::shared_ptr<Nvidia::Module> nvdrv; std::vector<VI::Display> displays; @@ -108,7 +123,13 @@ private: /// Event that handles screen composition. std::shared_ptr<Core::Timing::EventType> composition_event; + std::shared_ptr<std::mutex> guard; + Core::System& system; + + std::unique_ptr<std::thread> vsync_thread; + std::unique_ptr<Common::Event> wait_event; + std::atomic<bool> is_running{}; }; } // namespace Service::NVFlinger diff --git a/src/core/hle/service/sm/sm.cpp b/src/core/hle/service/sm/sm.cpp index 6ada13be4..d872de16c 100644 --- a/src/core/hle/service/sm/sm.cpp +++ b/src/core/hle/service/sm/sm.cpp @@ -142,7 +142,7 @@ void SM::GetService(Kernel::HLERequestContext& ctx) { } // Wake the threads waiting on the ServerPort - server_port->WakeupAllWaitingThreads(); + server_port->Signal(); LOG_DEBUG(Service_SM, "called service={} -> session={}", name, client->GetObjectId()); IPC::ResponseBuilder rb{ctx, 2, 0, 1, IPC::ResponseBuilder::Flags::AlwaysMoveHandles}; diff --git a/src/core/hle/service/time/standard_steady_clock_core.cpp b/src/core/hle/service/time/standard_steady_clock_core.cpp index 1575f0b49..59a272f4a 100644 --- a/src/core/hle/service/time/standard_steady_clock_core.cpp +++ b/src/core/hle/service/time/standard_steady_clock_core.cpp @@ -11,9 +11,8 @@ namespace Service::Time::Clock { TimeSpanType StandardSteadyClockCore::GetCurrentRawTimePoint(Core::System& system) { - const TimeSpanType ticks_time_span{TimeSpanType::FromTicks( - Core::Timing::CpuCyclesToClockCycles(system.CoreTiming().GetTicks()), - Core::Hardware::CNTFREQ)}; + const TimeSpanType ticks_time_span{ + TimeSpanType::FromTicks(system.CoreTiming().GetClockTicks(), Core::Hardware::CNTFREQ)}; TimeSpanType raw_time_point{setup_value.nanoseconds + ticks_time_span.nanoseconds}; if (raw_time_point.nanoseconds < cached_raw_time_point.nanoseconds) { diff --git a/src/core/hle/service/time/tick_based_steady_clock_core.cpp b/src/core/hle/service/time/tick_based_steady_clock_core.cpp index 44d5bc651..8baaa2a6a 100644 --- a/src/core/hle/service/time/tick_based_steady_clock_core.cpp +++ b/src/core/hle/service/time/tick_based_steady_clock_core.cpp @@ -11,9 +11,8 @@ namespace Service::Time::Clock { SteadyClockTimePoint TickBasedSteadyClockCore::GetTimePoint(Core::System& system) { - const TimeSpanType ticks_time_span{TimeSpanType::FromTicks( - Core::Timing::CpuCyclesToClockCycles(system.CoreTiming().GetTicks()), - Core::Hardware::CNTFREQ)}; + const TimeSpanType ticks_time_span{ + TimeSpanType::FromTicks(system.CoreTiming().GetClockTicks(), Core::Hardware::CNTFREQ)}; return {ticks_time_span.ToSeconds(), GetClockSourceId()}; } diff --git a/src/core/hle/service/time/time.cpp b/src/core/hle/service/time/time.cpp index 67f1bbcf3..4cf58a61a 100644 --- a/src/core/hle/service/time/time.cpp +++ b/src/core/hle/service/time/time.cpp @@ -234,9 +234,8 @@ void Module::Interface::CalculateMonotonicSystemClockBaseTimePoint(Kernel::HLERe const auto current_time_point{steady_clock_core.GetCurrentTimePoint(system)}; if (current_time_point.clock_source_id == context.steady_time_point.clock_source_id) { - const auto ticks{Clock::TimeSpanType::FromTicks( - Core::Timing::CpuCyclesToClockCycles(system.CoreTiming().GetTicks()), - Core::Hardware::CNTFREQ)}; + const auto ticks{Clock::TimeSpanType::FromTicks(system.CoreTiming().GetClockTicks(), + Core::Hardware::CNTFREQ)}; const s64 base_time_point{context.offset + current_time_point.time_point - ticks.ToSeconds()}; IPC::ResponseBuilder rb{ctx, (sizeof(s64) / 4) + 2}; diff --git a/src/core/hle/service/time/time_sharedmemory.cpp b/src/core/hle/service/time/time_sharedmemory.cpp index 999ec1e51..e0ae9f874 100644 --- a/src/core/hle/service/time/time_sharedmemory.cpp +++ b/src/core/hle/service/time/time_sharedmemory.cpp @@ -30,8 +30,7 @@ void SharedMemory::SetupStandardSteadyClock(Core::System& system, const Common::UUID& clock_source_id, Clock::TimeSpanType current_time_point) { const Clock::TimeSpanType ticks_time_span{Clock::TimeSpanType::FromTicks( - Core::Timing::CpuCyclesToClockCycles(system.CoreTiming().GetTicks()), - Core::Hardware::CNTFREQ)}; + system.CoreTiming().GetClockTicks(), Core::Hardware::CNTFREQ)}; const Clock::SteadyClockContext context{ static_cast<u64>(current_time_point.nanoseconds - ticks_time_span.nanoseconds), clock_source_id}; diff --git a/src/core/hle/service/vi/vi.cpp b/src/core/hle/service/vi/vi.cpp index 46e14c2a3..157092074 100644 --- a/src/core/hle/service/vi/vi.cpp +++ b/src/core/hle/service/vi/vi.cpp @@ -511,6 +511,7 @@ private: LOG_DEBUG(Service_VI, "called. id=0x{:08X} transaction={:X}, flags=0x{:08X}", id, static_cast<u32>(transaction), flags); + nv_flinger->Lock(); auto& buffer_queue = nv_flinger->FindBufferQueue(id); switch (transaction) { @@ -550,6 +551,7 @@ private: [=](std::shared_ptr<Kernel::Thread> thread, Kernel::HLERequestContext& ctx, Kernel::ThreadWakeupReason reason) { // Repeat TransactParcel DequeueBuffer when a buffer is available + nv_flinger->Lock(); auto& buffer_queue = nv_flinger->FindBufferQueue(id); auto result = buffer_queue.DequeueBuffer(width, height); ASSERT_MSG(result != std::nullopt, "Could not dequeue buffer."); diff --git a/src/core/host_timing.cpp b/src/core/host_timing.cpp deleted file mode 100644 index 2f40de1a1..000000000 --- a/src/core/host_timing.cpp +++ /dev/null @@ -1,206 +0,0 @@ -// Copyright 2020 yuzu Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include "core/host_timing.h" - -#include <algorithm> -#include <mutex> -#include <string> -#include <tuple> - -#include "common/assert.h" -#include "core/core_timing_util.h" - -namespace Core::HostTiming { - -std::shared_ptr<EventType> CreateEvent(std::string name, TimedCallback&& callback) { - return std::make_shared<EventType>(std::move(callback), std::move(name)); -} - -struct CoreTiming::Event { - u64 time; - u64 fifo_order; - u64 userdata; - std::weak_ptr<EventType> type; - - // Sort by time, unless the times are the same, in which case sort by - // the order added to the queue - friend bool operator>(const Event& left, const Event& right) { - return std::tie(left.time, left.fifo_order) > std::tie(right.time, right.fifo_order); - } - - friend bool operator<(const Event& left, const Event& right) { - return std::tie(left.time, left.fifo_order) < std::tie(right.time, right.fifo_order); - } -}; - -CoreTiming::CoreTiming() { - clock = - Common::CreateBestMatchingClock(Core::Hardware::BASE_CLOCK_RATE, Core::Hardware::CNTFREQ); -} - -CoreTiming::~CoreTiming() = default; - -void CoreTiming::ThreadEntry(CoreTiming& instance) { - instance.ThreadLoop(); -} - -void CoreTiming::Initialize() { - event_fifo_id = 0; - const auto empty_timed_callback = [](u64, s64) {}; - ev_lost = CreateEvent("_lost_event", empty_timed_callback); - timer_thread = std::make_unique<std::thread>(ThreadEntry, std::ref(*this)); -} - -void CoreTiming::Shutdown() { - paused = true; - shutting_down = true; - event.Set(); - timer_thread->join(); - ClearPendingEvents(); - timer_thread.reset(); - has_started = false; -} - -void CoreTiming::Pause(bool is_paused) { - paused = is_paused; -} - -void CoreTiming::SyncPause(bool is_paused) { - if (is_paused == paused && paused_set == paused) { - return; - } - Pause(is_paused); - event.Set(); - while (paused_set != is_paused) - ; -} - -bool CoreTiming::IsRunning() const { - return !paused_set; -} - -bool CoreTiming::HasPendingEvents() const { - return !(wait_set && event_queue.empty()); -} - -void CoreTiming::ScheduleEvent(s64 ns_into_future, const std::shared_ptr<EventType>& event_type, - u64 userdata) { - basic_lock.lock(); - const u64 timeout = static_cast<u64>(GetGlobalTimeNs().count() + ns_into_future); - - event_queue.emplace_back(Event{timeout, event_fifo_id++, userdata, event_type}); - - std::push_heap(event_queue.begin(), event_queue.end(), std::greater<>()); - basic_lock.unlock(); - event.Set(); -} - -void CoreTiming::UnscheduleEvent(const std::shared_ptr<EventType>& event_type, u64 userdata) { - basic_lock.lock(); - const auto itr = std::remove_if(event_queue.begin(), event_queue.end(), [&](const Event& e) { - return e.type.lock().get() == event_type.get() && e.userdata == userdata; - }); - - // Removing random items breaks the invariant so we have to re-establish it. - if (itr != event_queue.end()) { - event_queue.erase(itr, event_queue.end()); - std::make_heap(event_queue.begin(), event_queue.end(), std::greater<>()); - } - basic_lock.unlock(); -} - -void CoreTiming::AddTicks(std::size_t core_index, u64 ticks) { - ticks_count[core_index] += ticks; -} - -void CoreTiming::ResetTicks(std::size_t core_index) { - ticks_count[core_index] = 0; -} - -u64 CoreTiming::GetCPUTicks() const { - return clock->GetCPUCycles(); -} - -u64 CoreTiming::GetClockTicks() const { - return clock->GetClockCycles(); -} - -void CoreTiming::ClearPendingEvents() { - event_queue.clear(); -} - -void CoreTiming::RemoveEvent(const std::shared_ptr<EventType>& event_type) { - basic_lock.lock(); - - const auto itr = std::remove_if(event_queue.begin(), event_queue.end(), [&](const Event& e) { - return e.type.lock().get() == event_type.get(); - }); - - // Removing random items breaks the invariant so we have to re-establish it. - if (itr != event_queue.end()) { - event_queue.erase(itr, event_queue.end()); - std::make_heap(event_queue.begin(), event_queue.end(), std::greater<>()); - } - basic_lock.unlock(); -} - -std::optional<u64> CoreTiming::Advance() { - advance_lock.lock(); - basic_lock.lock(); - global_timer = GetGlobalTimeNs().count(); - - while (!event_queue.empty() && event_queue.front().time <= global_timer) { - Event evt = std::move(event_queue.front()); - std::pop_heap(event_queue.begin(), event_queue.end(), std::greater<>()); - event_queue.pop_back(); - basic_lock.unlock(); - - if (auto event_type{evt.type.lock()}) { - event_type->callback(evt.userdata, global_timer - evt.time); - } - - basic_lock.lock(); - } - - if (!event_queue.empty()) { - const u64 next_time = event_queue.front().time - global_timer; - basic_lock.unlock(); - advance_lock.unlock(); - return next_time; - } else { - basic_lock.unlock(); - advance_lock.unlock(); - return std::nullopt; - } -} - -void CoreTiming::ThreadLoop() { - has_started = true; - while (!shutting_down) { - while (!paused) { - paused_set = false; - const auto next_time = Advance(); - if (next_time) { - std::chrono::nanoseconds next_time_ns = std::chrono::nanoseconds(*next_time); - event.WaitFor(next_time_ns); - } else { - wait_set = true; - event.Wait(); - } - wait_set = false; - } - paused_set = true; - } -} - -std::chrono::nanoseconds CoreTiming::GetGlobalTimeNs() const { - return clock->GetTimeNS(); -} - -std::chrono::microseconds CoreTiming::GetGlobalTimeUs() const { - return clock->GetTimeUS(); -} - -} // namespace Core::HostTiming diff --git a/src/core/host_timing.h b/src/core/host_timing.h deleted file mode 100644 index be6b68d7c..000000000 --- a/src/core/host_timing.h +++ /dev/null @@ -1,160 +0,0 @@ -// Copyright 2020 yuzu Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -#include <atomic> -#include <chrono> -#include <functional> -#include <memory> -#include <mutex> -#include <optional> -#include <string> -#include <thread> -#include <vector> - -#include "common/common_types.h" -#include "common/spin_lock.h" -#include "common/thread.h" -#include "common/threadsafe_queue.h" -#include "common/wall_clock.h" -#include "core/hardware_properties.h" - -namespace Core::HostTiming { - -/// A callback that may be scheduled for a particular core timing event. -using TimedCallback = std::function<void(u64 userdata, s64 cycles_late)>; - -/// Contains the characteristics of a particular event. -struct EventType { - EventType(TimedCallback&& callback, std::string&& name) - : callback{std::move(callback)}, name{std::move(name)} {} - - /// The event's callback function. - TimedCallback callback; - /// A pointer to the name of the event. - const std::string name; -}; - -/** - * This is a system to schedule events into the emulated machine's future. Time is measured - * in main CPU clock cycles. - * - * To schedule an event, you first have to register its type. This is where you pass in the - * callback. You then schedule events using the type id you get back. - * - * The int cyclesLate that the callbacks get is how many cycles late it was. - * So to schedule a new event on a regular basis: - * inside callback: - * ScheduleEvent(periodInCycles - cyclesLate, callback, "whatever") - */ -class CoreTiming { -public: - CoreTiming(); - ~CoreTiming(); - - CoreTiming(const CoreTiming&) = delete; - CoreTiming(CoreTiming&&) = delete; - - CoreTiming& operator=(const CoreTiming&) = delete; - CoreTiming& operator=(CoreTiming&&) = delete; - - /// CoreTiming begins at the boundary of timing slice -1. An initial call to Advance() is - /// required to end slice - 1 and start slice 0 before the first cycle of code is executed. - void Initialize(); - - /// Tears down all timing related functionality. - void Shutdown(); - - /// Pauses/Unpauses the execution of the timer thread. - void Pause(bool is_paused); - - /// Pauses/Unpauses the execution of the timer thread and waits until paused. - void SyncPause(bool is_paused); - - /// Checks if core timing is running. - bool IsRunning() const; - - /// Checks if the timer thread has started. - bool HasStarted() const { - return has_started; - } - - /// Checks if there are any pending time events. - bool HasPendingEvents() const; - - /// Schedules an event in core timing - void ScheduleEvent(s64 ns_into_future, const std::shared_ptr<EventType>& event_type, - u64 userdata = 0); - - void UnscheduleEvent(const std::shared_ptr<EventType>& event_type, u64 userdata); - - /// We only permit one event of each type in the queue at a time. - void RemoveEvent(const std::shared_ptr<EventType>& event_type); - - void AddTicks(std::size_t core_index, u64 ticks); - - void ResetTicks(std::size_t core_index); - - /// Returns current time in emulated CPU cycles - u64 GetCPUTicks() const; - - /// Returns current time in emulated in Clock cycles - u64 GetClockTicks() const; - - /// Returns current time in microseconds. - std::chrono::microseconds GetGlobalTimeUs() const; - - /// Returns current time in nanoseconds. - std::chrono::nanoseconds GetGlobalTimeNs() const; - - /// Checks for events manually and returns time in nanoseconds for next event, threadsafe. - std::optional<u64> Advance(); - -private: - struct Event; - - /// Clear all pending events. This should ONLY be done on exit. - void ClearPendingEvents(); - - static void ThreadEntry(CoreTiming& instance); - void ThreadLoop(); - - std::unique_ptr<Common::WallClock> clock; - - u64 global_timer = 0; - - std::chrono::nanoseconds start_point; - - // The queue is a min-heap using std::make_heap/push_heap/pop_heap. - // We don't use std::priority_queue because we need to be able to serialize, unserialize and - // erase arbitrary events (RemoveEvent()) regardless of the queue order. These aren't - // accomodated by the standard adaptor class. - std::vector<Event> event_queue; - u64 event_fifo_id = 0; - - std::shared_ptr<EventType> ev_lost; - Common::Event event{}; - Common::SpinLock basic_lock{}; - Common::SpinLock advance_lock{}; - std::unique_ptr<std::thread> timer_thread; - std::atomic<bool> paused{}; - std::atomic<bool> paused_set{}; - std::atomic<bool> wait_set{}; - std::atomic<bool> shutting_down{}; - std::atomic<bool> has_started{}; - - std::array<std::atomic<u64>, Core::Hardware::NUM_CPU_CORES> ticks_count{}; -}; - -/// Creates a core timing event with the given name and callback. -/// -/// @param name The name of the core timing event to create. -/// @param callback The callback to execute for the event. -/// -/// @returns An EventType instance representing the created event. -/// -std::shared_ptr<EventType> CreateEvent(std::string name, TimedCallback&& callback); - -} // namespace Core::HostTiming diff --git a/src/core/memory.cpp b/src/core/memory.cpp index 9d87045a0..7def00768 100644 --- a/src/core/memory.cpp +++ b/src/core/memory.cpp @@ -8,6 +8,7 @@ #include <utility> #include "common/assert.h" +#include "common/atomic_ops.h" #include "common/common_types.h" #include "common/logging/log.h" #include "common/page_table.h" @@ -29,15 +30,12 @@ namespace Core::Memory { struct Memory::Impl { explicit Impl(Core::System& system_) : system{system_} {} - void SetCurrentPageTable(Kernel::Process& process) { + void SetCurrentPageTable(Kernel::Process& process, u32 core_id) { current_page_table = &process.PageTable().PageTableImpl(); const std::size_t address_space_width = process.PageTable().GetAddressSpaceWidth(); - system.ArmInterface(0).PageTableChanged(*current_page_table, address_space_width); - system.ArmInterface(1).PageTableChanged(*current_page_table, address_space_width); - system.ArmInterface(2).PageTableChanged(*current_page_table, address_space_width); - system.ArmInterface(3).PageTableChanged(*current_page_table, address_space_width); + system.ArmInterface(core_id).PageTableChanged(*current_page_table, address_space_width); } void MapMemoryRegion(Common::PageTable& page_table, VAddr base, u64 size, PAddr target) { @@ -179,6 +177,22 @@ struct Memory::Impl { } } + bool WriteExclusive8(const VAddr addr, const u8 data, const u8 expected) { + return WriteExclusive<u8>(addr, data, expected); + } + + bool WriteExclusive16(const VAddr addr, const u16 data, const u16 expected) { + return WriteExclusive<u16_le>(addr, data, expected); + } + + bool WriteExclusive32(const VAddr addr, const u32 data, const u32 expected) { + return WriteExclusive<u32_le>(addr, data, expected); + } + + bool WriteExclusive64(const VAddr addr, const u64 data, const u64 expected) { + return WriteExclusive<u64_le>(addr, data, expected); + } + std::string ReadCString(VAddr vaddr, std::size_t max_length) { std::string string; string.reserve(max_length); @@ -682,6 +696,67 @@ struct Memory::Impl { } } + template <typename T> + bool WriteExclusive(const VAddr vaddr, const T data, const T expected) { + u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS]; + if (page_pointer != nullptr) { + // NOTE: Avoid adding any extra logic to this fast-path block + T volatile* pointer = reinterpret_cast<T volatile*>(&page_pointer[vaddr]); + return Common::AtomicCompareAndSwap(pointer, data, expected); + } + + const Common::PageType type = current_page_table->attributes[vaddr >> PAGE_BITS]; + switch (type) { + case Common::PageType::Unmapped: + LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8, + static_cast<u32>(data), vaddr); + return true; + case Common::PageType::Memory: + ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr); + break; + case Common::PageType::RasterizerCachedMemory: { + u8* host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)}; + system.GPU().InvalidateRegion(vaddr, sizeof(T)); + T volatile* pointer = reinterpret_cast<T volatile*>(&host_ptr); + return Common::AtomicCompareAndSwap(pointer, data, expected); + break; + } + default: + UNREACHABLE(); + } + return true; + } + + bool WriteExclusive128(const VAddr vaddr, const u128 data, const u128 expected) { + u8* const page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS]; + if (page_pointer != nullptr) { + // NOTE: Avoid adding any extra logic to this fast-path block + u64 volatile* pointer = reinterpret_cast<u64 volatile*>(&page_pointer[vaddr]); + return Common::AtomicCompareAndSwap(pointer, data, expected); + } + + const Common::PageType type = current_page_table->attributes[vaddr >> PAGE_BITS]; + switch (type) { + case Common::PageType::Unmapped: + LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}{:016X}", sizeof(data) * 8, + static_cast<u64>(data[1]), static_cast<u64>(data[0]), vaddr); + return true; + case Common::PageType::Memory: + ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr); + break; + case Common::PageType::RasterizerCachedMemory: { + u8* host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)}; + system.GPU().InvalidateRegion(vaddr, sizeof(u128)); + u64 volatile* pointer = reinterpret_cast<u64 volatile*>(&host_ptr); + return Common::AtomicCompareAndSwap(pointer, data, expected); + break; + } + default: + UNREACHABLE(); + } + return true; + } + Common::PageTable* current_page_table = nullptr; Core::System& system; }; @@ -689,8 +764,8 @@ struct Memory::Impl { Memory::Memory(Core::System& system) : impl{std::make_unique<Impl>(system)} {} Memory::~Memory() = default; -void Memory::SetCurrentPageTable(Kernel::Process& process) { - impl->SetCurrentPageTable(process); +void Memory::SetCurrentPageTable(Kernel::Process& process, u32 core_id) { + impl->SetCurrentPageTable(process, core_id); } void Memory::MapMemoryRegion(Common::PageTable& page_table, VAddr base, u64 size, PAddr target) { @@ -764,6 +839,26 @@ void Memory::Write64(VAddr addr, u64 data) { impl->Write64(addr, data); } +bool Memory::WriteExclusive8(VAddr addr, u8 data, u8 expected) { + return impl->WriteExclusive8(addr, data, expected); +} + +bool Memory::WriteExclusive16(VAddr addr, u16 data, u16 expected) { + return impl->WriteExclusive16(addr, data, expected); +} + +bool Memory::WriteExclusive32(VAddr addr, u32 data, u32 expected) { + return impl->WriteExclusive32(addr, data, expected); +} + +bool Memory::WriteExclusive64(VAddr addr, u64 data, u64 expected) { + return impl->WriteExclusive64(addr, data, expected); +} + +bool Memory::WriteExclusive128(VAddr addr, u128 data, u128 expected) { + return impl->WriteExclusive128(addr, data, expected); +} + std::string Memory::ReadCString(VAddr vaddr, std::size_t max_length) { return impl->ReadCString(vaddr, max_length); } diff --git a/src/core/memory.h b/src/core/memory.h index 9292f3b0a..4a1cc63f4 100644 --- a/src/core/memory.h +++ b/src/core/memory.h @@ -64,7 +64,7 @@ public: * * @param process The process to use the page table of. */ - void SetCurrentPageTable(Kernel::Process& process); + void SetCurrentPageTable(Kernel::Process& process, u32 core_id); /** * Maps an allocated buffer onto a region of the emulated process address space. @@ -245,6 +245,71 @@ public: void Write64(VAddr addr, u64 data); /** + * Writes a 8-bit unsigned integer to the given virtual address in + * the current process' address space if and only if the address contains + * the expected value. This operation is atomic. + * + * @param addr The virtual address to write the 8-bit unsigned integer to. + * @param data The 8-bit unsigned integer to write to the given virtual address. + * @param expected The 8-bit unsigned integer to check against the given virtual address. + * + * @post The memory range [addr, sizeof(data)) contains the given data value. + */ + bool WriteExclusive8(VAddr addr, u8 data, u8 expected); + + /** + * Writes a 16-bit unsigned integer to the given virtual address in + * the current process' address space if and only if the address contains + * the expected value. This operation is atomic. + * + * @param addr The virtual address to write the 16-bit unsigned integer to. + * @param data The 16-bit unsigned integer to write to the given virtual address. + * @param expected The 16-bit unsigned integer to check against the given virtual address. + * + * @post The memory range [addr, sizeof(data)) contains the given data value. + */ + bool WriteExclusive16(VAddr addr, u16 data, u16 expected); + + /** + * Writes a 32-bit unsigned integer to the given virtual address in + * the current process' address space if and only if the address contains + * the expected value. This operation is atomic. + * + * @param addr The virtual address to write the 32-bit unsigned integer to. + * @param data The 32-bit unsigned integer to write to the given virtual address. + * @param expected The 32-bit unsigned integer to check against the given virtual address. + * + * @post The memory range [addr, sizeof(data)) contains the given data value. + */ + bool WriteExclusive32(VAddr addr, u32 data, u32 expected); + + /** + * Writes a 64-bit unsigned integer to the given virtual address in + * the current process' address space if and only if the address contains + * the expected value. This operation is atomic. + * + * @param addr The virtual address to write the 64-bit unsigned integer to. + * @param data The 64-bit unsigned integer to write to the given virtual address. + * @param expected The 64-bit unsigned integer to check against the given virtual address. + * + * @post The memory range [addr, sizeof(data)) contains the given data value. + */ + bool WriteExclusive64(VAddr addr, u64 data, u64 expected); + + /** + * Writes a 128-bit unsigned integer to the given virtual address in + * the current process' address space if and only if the address contains + * the expected value. This operation is atomic. + * + * @param addr The virtual address to write the 128-bit unsigned integer to. + * @param data The 128-bit unsigned integer to write to the given virtual address. + * @param expected The 128-bit unsigned integer to check against the given virtual address. + * + * @post The memory range [addr, sizeof(data)) contains the given data value. + */ + bool WriteExclusive128(VAddr addr, u128 data, u128 expected); + + /** * Reads a null-terminated string from the given virtual address. * This function will continually read characters until either: * diff --git a/src/core/memory/cheat_engine.cpp b/src/core/memory/cheat_engine.cpp index b139e8465..53d27859b 100644 --- a/src/core/memory/cheat_engine.cpp +++ b/src/core/memory/cheat_engine.cpp @@ -20,7 +20,7 @@ namespace Core::Memory { -constexpr s64 CHEAT_ENGINE_TICKS = static_cast<s64>(Core::Hardware::BASE_CLOCK_RATE / 12); +constexpr s64 CHEAT_ENGINE_TICKS = static_cast<s64>(1000000000 / 12); constexpr u32 KEYPAD_BITMASK = 0x3FFFFFF; StandardVmCallbacks::StandardVmCallbacks(Core::System& system, const CheatProcessMetadata& metadata) @@ -190,7 +190,7 @@ CheatEngine::~CheatEngine() { void CheatEngine::Initialize() { event = Core::Timing::CreateEvent( "CheatEngine::FrameCallback::" + Common::HexToString(metadata.main_nso_build_id), - [this](u64 userdata, s64 cycles_late) { FrameCallback(userdata, cycles_late); }); + [this](u64 userdata, s64 ns_late) { FrameCallback(userdata, ns_late); }); core_timing.ScheduleEvent(CHEAT_ENGINE_TICKS, event); metadata.process_id = system.CurrentProcess()->GetProcessID(); @@ -217,7 +217,7 @@ void CheatEngine::Reload(std::vector<CheatEntry> cheats) { MICROPROFILE_DEFINE(Cheat_Engine, "Add-Ons", "Cheat Engine", MP_RGB(70, 200, 70)); -void CheatEngine::FrameCallback(u64 userdata, s64 cycles_late) { +void CheatEngine::FrameCallback(u64 userdata, s64 ns_late) { if (is_pending_reload.exchange(false)) { vm.LoadProgram(cheats); } @@ -230,7 +230,7 @@ void CheatEngine::FrameCallback(u64 userdata, s64 cycles_late) { vm.Execute(metadata); - core_timing.ScheduleEvent(CHEAT_ENGINE_TICKS - cycles_late, event); + core_timing.ScheduleEvent(CHEAT_ENGINE_TICKS - ns_late, event); } } // namespace Core::Memory diff --git a/src/core/perf_stats.cpp b/src/core/perf_stats.cpp index f1ae9d4df..9f3a6b811 100644 --- a/src/core/perf_stats.cpp +++ b/src/core/perf_stats.cpp @@ -119,7 +119,7 @@ double PerfStats::GetLastFrameTimeScale() { } void FrameLimiter::DoFrameLimiting(microseconds current_system_time_us) { - if (!Settings::values.use_frame_limit) { + if (!Settings::values.use_frame_limit || Settings::values.use_multi_core) { return; } diff --git a/src/core/tools/freezer.cpp b/src/core/tools/freezer.cpp index b2c6c537e..8b0c50d11 100644 --- a/src/core/tools/freezer.cpp +++ b/src/core/tools/freezer.cpp @@ -14,7 +14,7 @@ namespace Tools { namespace { -constexpr s64 MEMORY_FREEZER_TICKS = static_cast<s64>(Core::Hardware::BASE_CLOCK_RATE / 60); +constexpr s64 MEMORY_FREEZER_TICKS = static_cast<s64>(1000000000 / 60); u64 MemoryReadWidth(Core::Memory::Memory& memory, u32 width, VAddr addr) { switch (width) { @@ -57,7 +57,7 @@ Freezer::Freezer(Core::Timing::CoreTiming& core_timing_, Core::Memory::Memory& m : core_timing{core_timing_}, memory{memory_} { event = Core::Timing::CreateEvent( "MemoryFreezer::FrameCallback", - [this](u64 userdata, s64 cycles_late) { FrameCallback(userdata, cycles_late); }); + [this](u64 userdata, s64 ns_late) { FrameCallback(userdata, ns_late); }); core_timing.ScheduleEvent(MEMORY_FREEZER_TICKS, event); } @@ -158,7 +158,7 @@ std::vector<Freezer::Entry> Freezer::GetEntries() const { return entries; } -void Freezer::FrameCallback(u64 userdata, s64 cycles_late) { +void Freezer::FrameCallback(u64 userdata, s64 ns_late) { if (!IsActive()) { LOG_DEBUG(Common_Memory, "Memory freezer has been deactivated, ending callback events."); return; @@ -173,7 +173,7 @@ void Freezer::FrameCallback(u64 userdata, s64 cycles_late) { MemoryWriteWidth(memory, entry.width, entry.address, entry.value); } - core_timing.ScheduleEvent(MEMORY_FREEZER_TICKS - cycles_late, event); + core_timing.ScheduleEvent(MEMORY_FREEZER_TICKS - ns_late, event); } void Freezer::FillEntryReads() { diff --git a/src/tests/CMakeLists.txt b/src/tests/CMakeLists.txt index 3f750b51c..47ef30aa9 100644 --- a/src/tests/CMakeLists.txt +++ b/src/tests/CMakeLists.txt @@ -8,7 +8,6 @@ add_executable(tests core/arm/arm_test_common.cpp core/arm/arm_test_common.h core/core_timing.cpp - core/host_timing.cpp tests.cpp ) diff --git a/src/tests/common/fibers.cpp b/src/tests/common/fibers.cpp index 12536b6d8..4fd92428f 100644 --- a/src/tests/common/fibers.cpp +++ b/src/tests/common/fibers.cpp @@ -68,7 +68,7 @@ static void ThreadStart1(u32 id, TestControl1& test_control) { * doing all the work required. */ TEST_CASE("Fibers::Setup", "[common]") { - constexpr u32 num_threads = 7; + constexpr std::size_t num_threads = 7; TestControl1 test_control{}; test_control.thread_fibers.resize(num_threads); test_control.work_fibers.resize(num_threads); diff --git a/src/tests/core/core_timing.cpp b/src/tests/core/core_timing.cpp index ff2d11cc8..e66db1940 100644 --- a/src/tests/core/core_timing.cpp +++ b/src/tests/core/core_timing.cpp @@ -18,29 +18,26 @@ namespace { // Numbers are chosen randomly to make sure the correct one is given. constexpr std::array<u64, 5> CB_IDS{{42, 144, 93, 1026, UINT64_C(0xFFFF7FFFF7FFFF)}}; constexpr int MAX_SLICE_LENGTH = 10000; // Copied from CoreTiming internals +constexpr std::array<u64, 5> calls_order{{2, 0, 1, 4, 3}}; +std::array<s64, 5> delays{}; std::bitset<CB_IDS.size()> callbacks_ran_flags; u64 expected_callback = 0; -s64 lateness = 0; template <unsigned int IDX> -void CallbackTemplate(u64 userdata, s64 cycles_late) { +void HostCallbackTemplate(u64 userdata, s64 nanoseconds_late) { static_assert(IDX < CB_IDS.size(), "IDX out of range"); callbacks_ran_flags.set(IDX); REQUIRE(CB_IDS[IDX] == userdata); - REQUIRE(CB_IDS[IDX] == expected_callback); - REQUIRE(lateness == cycles_late); -} - -u64 callbacks_done = 0; - -void EmptyCallback(u64 userdata, s64 cycles_late) { - ++callbacks_done; + REQUIRE(CB_IDS[IDX] == CB_IDS[calls_order[expected_callback]]); + delays[IDX] = nanoseconds_late; + ++expected_callback; } struct ScopeInit final { ScopeInit() { - core_timing.Initialize(); + core_timing.SetMulticore(true); + core_timing.Initialize([]() {}); } ~ScopeInit() { core_timing.Shutdown(); @@ -49,110 +46,101 @@ struct ScopeInit final { Core::Timing::CoreTiming core_timing; }; -void AdvanceAndCheck(Core::Timing::CoreTiming& core_timing, u32 idx, u32 context = 0, - int expected_lateness = 0, int cpu_downcount = 0) { - callbacks_ran_flags = 0; - expected_callback = CB_IDS[idx]; - lateness = expected_lateness; - - // Pretend we executed X cycles of instructions. - core_timing.SwitchContext(context); - core_timing.AddTicks(core_timing.GetDowncount() - cpu_downcount); - core_timing.Advance(); - core_timing.SwitchContext((context + 1) % 4); +#pragma optimize("", off) - REQUIRE(decltype(callbacks_ran_flags)().set(idx) == callbacks_ran_flags); +u64 TestTimerSpeed(Core::Timing::CoreTiming& core_timing) { + u64 start = core_timing.GetGlobalTimeNs().count(); + u64 placebo = 0; + for (std::size_t i = 0; i < 1000; i++) { + placebo += core_timing.GetGlobalTimeNs().count(); + } + u64 end = core_timing.GetGlobalTimeNs().count(); + return (end - start); } + +#pragma optimize("", on) + } // Anonymous namespace TEST_CASE("CoreTiming[BasicOrder]", "[core]") { ScopeInit guard; auto& core_timing = guard.core_timing; + std::vector<std::shared_ptr<Core::Timing::EventType>> events{ + Core::Timing::CreateEvent("callbackA", HostCallbackTemplate<0>), + Core::Timing::CreateEvent("callbackB", HostCallbackTemplate<1>), + Core::Timing::CreateEvent("callbackC", HostCallbackTemplate<2>), + Core::Timing::CreateEvent("callbackD", HostCallbackTemplate<3>), + Core::Timing::CreateEvent("callbackE", HostCallbackTemplate<4>), + }; + + expected_callback = 0; + + core_timing.SyncPause(true); + + u64 one_micro = 1000U; + for (std::size_t i = 0; i < events.size(); i++) { + u64 order = calls_order[i]; + core_timing.ScheduleEvent(i * one_micro + 100U, events[order], CB_IDS[order]); + } + /// test pause + REQUIRE(callbacks_ran_flags.none()); - std::shared_ptr<Core::Timing::EventType> cb_a = - Core::Timing::CreateEvent("callbackA", CallbackTemplate<0>); - std::shared_ptr<Core::Timing::EventType> cb_b = - Core::Timing::CreateEvent("callbackB", CallbackTemplate<1>); - std::shared_ptr<Core::Timing::EventType> cb_c = - Core::Timing::CreateEvent("callbackC", CallbackTemplate<2>); - std::shared_ptr<Core::Timing::EventType> cb_d = - Core::Timing::CreateEvent("callbackD", CallbackTemplate<3>); - std::shared_ptr<Core::Timing::EventType> cb_e = - Core::Timing::CreateEvent("callbackE", CallbackTemplate<4>); - - // Enter slice 0 - core_timing.ResetRun(); - - // D -> B -> C -> A -> E - core_timing.SwitchContext(0); - core_timing.ScheduleEvent(1000, cb_a, CB_IDS[0]); - REQUIRE(1000 == core_timing.GetDowncount()); - core_timing.ScheduleEvent(500, cb_b, CB_IDS[1]); - REQUIRE(500 == core_timing.GetDowncount()); - core_timing.ScheduleEvent(800, cb_c, CB_IDS[2]); - REQUIRE(500 == core_timing.GetDowncount()); - core_timing.ScheduleEvent(100, cb_d, CB_IDS[3]); - REQUIRE(100 == core_timing.GetDowncount()); - core_timing.ScheduleEvent(1200, cb_e, CB_IDS[4]); - REQUIRE(100 == core_timing.GetDowncount()); - - AdvanceAndCheck(core_timing, 3, 0); - AdvanceAndCheck(core_timing, 1, 1); - AdvanceAndCheck(core_timing, 2, 2); - AdvanceAndCheck(core_timing, 0, 3); - AdvanceAndCheck(core_timing, 4, 0); -} - -TEST_CASE("CoreTiming[FairSharing]", "[core]") { + core_timing.Pause(false); // No need to sync - ScopeInit guard; - auto& core_timing = guard.core_timing; + while (core_timing.HasPendingEvents()) + ; - std::shared_ptr<Core::Timing::EventType> empty_callback = - Core::Timing::CreateEvent("empty_callback", EmptyCallback); + REQUIRE(callbacks_ran_flags.all()); - callbacks_done = 0; - u64 MAX_CALLBACKS = 10; - for (std::size_t i = 0; i < 10; i++) { - core_timing.ScheduleEvent(i * 3333U, empty_callback, 0); + for (std::size_t i = 0; i < delays.size(); i++) { + const double delay = static_cast<double>(delays[i]); + const double micro = delay / 1000.0f; + const double mili = micro / 1000.0f; + printf("HostTimer Pausing Delay[%zu]: %.3f %.6f\n", i, micro, mili); } - - const s64 advances = MAX_SLICE_LENGTH / 10; - core_timing.ResetRun(); - u64 current_time = core_timing.GetTicks(); - bool keep_running{}; - do { - keep_running = false; - for (u32 active_core = 0; active_core < 4; ++active_core) { - core_timing.SwitchContext(active_core); - if (core_timing.CanCurrentContextRun()) { - core_timing.AddTicks(std::min<s64>(advances, core_timing.GetDowncount())); - core_timing.Advance(); - } - keep_running |= core_timing.CanCurrentContextRun(); - } - } while (keep_running); - u64 current_time_2 = core_timing.GetTicks(); - - REQUIRE(MAX_CALLBACKS == callbacks_done); - REQUIRE(current_time_2 == current_time + MAX_SLICE_LENGTH * 4); } -TEST_CASE("Core::Timing[PredictableLateness]", "[core]") { +TEST_CASE("CoreTiming[BasicOrderNoPausing]", "[core]") { ScopeInit guard; auto& core_timing = guard.core_timing; + std::vector<std::shared_ptr<Core::Timing::EventType>> events{ + Core::Timing::CreateEvent("callbackA", HostCallbackTemplate<0>), + Core::Timing::CreateEvent("callbackB", HostCallbackTemplate<1>), + Core::Timing::CreateEvent("callbackC", HostCallbackTemplate<2>), + Core::Timing::CreateEvent("callbackD", HostCallbackTemplate<3>), + Core::Timing::CreateEvent("callbackE", HostCallbackTemplate<4>), + }; + + core_timing.SyncPause(true); + core_timing.SyncPause(false); + + expected_callback = 0; + + u64 start = core_timing.GetGlobalTimeNs().count(); + u64 one_micro = 1000U; + for (std::size_t i = 0; i < events.size(); i++) { + u64 order = calls_order[i]; + core_timing.ScheduleEvent(i * one_micro + 100U, events[order], CB_IDS[order]); + } + u64 end = core_timing.GetGlobalTimeNs().count(); + const double scheduling_time = static_cast<double>(end - start); + const double timer_time = static_cast<double>(TestTimerSpeed(core_timing)); - std::shared_ptr<Core::Timing::EventType> cb_a = - Core::Timing::CreateEvent("callbackA", CallbackTemplate<0>); - std::shared_ptr<Core::Timing::EventType> cb_b = - Core::Timing::CreateEvent("callbackB", CallbackTemplate<1>); + while (core_timing.HasPendingEvents()) + ; - // Enter slice 0 - core_timing.ResetRun(); + REQUIRE(callbacks_ran_flags.all()); - core_timing.ScheduleEvent(100, cb_a, CB_IDS[0]); - core_timing.ScheduleEvent(200, cb_b, CB_IDS[1]); + for (std::size_t i = 0; i < delays.size(); i++) { + const double delay = static_cast<double>(delays[i]); + const double micro = delay / 1000.0f; + const double mili = micro / 1000.0f; + printf("HostTimer No Pausing Delay[%zu]: %.3f %.6f\n", i, micro, mili); + } - AdvanceAndCheck(core_timing, 0, 0, 10, -10); // (100 - 10) - AdvanceAndCheck(core_timing, 1, 1, 50, -50); + const double micro = scheduling_time / 1000.0f; + const double mili = micro / 1000.0f; + printf("HostTimer No Pausing Scheduling Time: %.3f %.6f\n", micro, mili); + printf("HostTimer No Pausing Timer Time: %.3f %.6f\n", timer_time / 1000.f, + timer_time / 1000000.f); } diff --git a/src/tests/core/host_timing.cpp b/src/tests/core/host_timing.cpp deleted file mode 100644 index 556254098..000000000 --- a/src/tests/core/host_timing.cpp +++ /dev/null @@ -1,142 +0,0 @@ -// Copyright 2016 Dolphin Emulator Project / 2017 Dolphin Emulator Project -// Licensed under GPLv2+ -// Refer to the license.txt file included. - -#include <catch2/catch.hpp> - -#include <array> -#include <bitset> -#include <cstdlib> -#include <memory> -#include <string> - -#include "common/file_util.h" -#include "core/core.h" -#include "core/host_timing.h" - -// Numbers are chosen randomly to make sure the correct one is given. -static constexpr std::array<u64, 5> CB_IDS{{42, 144, 93, 1026, UINT64_C(0xFFFF7FFFF7FFFF)}}; -static constexpr int MAX_SLICE_LENGTH = 10000; // Copied from CoreTiming internals -static constexpr std::array<u64, 5> calls_order{{2, 0, 1, 4, 3}}; -static std::array<s64, 5> delays{}; - -static std::bitset<CB_IDS.size()> callbacks_ran_flags; -static u64 expected_callback = 0; - -template <unsigned int IDX> -void HostCallbackTemplate(u64 userdata, s64 nanoseconds_late) { - static_assert(IDX < CB_IDS.size(), "IDX out of range"); - callbacks_ran_flags.set(IDX); - REQUIRE(CB_IDS[IDX] == userdata); - REQUIRE(CB_IDS[IDX] == CB_IDS[calls_order[expected_callback]]); - delays[IDX] = nanoseconds_late; - ++expected_callback; -} - -struct ScopeInit final { - ScopeInit() { - core_timing.Initialize(); - } - ~ScopeInit() { - core_timing.Shutdown(); - } - - Core::HostTiming::CoreTiming core_timing; -}; - -#pragma optimize("", off) - -static u64 TestTimerSpeed(Core::HostTiming::CoreTiming& core_timing) { - u64 start = core_timing.GetGlobalTimeNs().count(); - u64 placebo = 0; - for (std::size_t i = 0; i < 1000; i++) { - placebo += core_timing.GetGlobalTimeNs().count(); - } - u64 end = core_timing.GetGlobalTimeNs().count(); - return (end - start); -} - -#pragma optimize("", on) - -TEST_CASE("HostTiming[BasicOrder]", "[core]") { - ScopeInit guard; - auto& core_timing = guard.core_timing; - std::vector<std::shared_ptr<Core::HostTiming::EventType>> events{ - Core::HostTiming::CreateEvent("callbackA", HostCallbackTemplate<0>), - Core::HostTiming::CreateEvent("callbackB", HostCallbackTemplate<1>), - Core::HostTiming::CreateEvent("callbackC", HostCallbackTemplate<2>), - Core::HostTiming::CreateEvent("callbackD", HostCallbackTemplate<3>), - Core::HostTiming::CreateEvent("callbackE", HostCallbackTemplate<4>), - }; - - expected_callback = 0; - - core_timing.SyncPause(true); - - u64 one_micro = 1000U; - for (std::size_t i = 0; i < events.size(); i++) { - u64 order = calls_order[i]; - core_timing.ScheduleEvent(i * one_micro + 100U, events[order], CB_IDS[order]); - } - /// test pause - REQUIRE(callbacks_ran_flags.none()); - - core_timing.Pause(false); // No need to sync - - while (core_timing.HasPendingEvents()) - ; - - REQUIRE(callbacks_ran_flags.all()); - - for (std::size_t i = 0; i < delays.size(); i++) { - const double delay = static_cast<double>(delays[i]); - const double micro = delay / 1000.0f; - const double mili = micro / 1000.0f; - printf("HostTimer Pausing Delay[%zu]: %.3f %.6f\n", i, micro, mili); - } -} - -TEST_CASE("HostTiming[BasicOrderNoPausing]", "[core]") { - ScopeInit guard; - auto& core_timing = guard.core_timing; - std::vector<std::shared_ptr<Core::HostTiming::EventType>> events{ - Core::HostTiming::CreateEvent("callbackA", HostCallbackTemplate<0>), - Core::HostTiming::CreateEvent("callbackB", HostCallbackTemplate<1>), - Core::HostTiming::CreateEvent("callbackC", HostCallbackTemplate<2>), - Core::HostTiming::CreateEvent("callbackD", HostCallbackTemplate<3>), - Core::HostTiming::CreateEvent("callbackE", HostCallbackTemplate<4>), - }; - - core_timing.SyncPause(true); - core_timing.SyncPause(false); - - expected_callback = 0; - - u64 start = core_timing.GetGlobalTimeNs().count(); - u64 one_micro = 1000U; - for (std::size_t i = 0; i < events.size(); i++) { - u64 order = calls_order[i]; - core_timing.ScheduleEvent(i * one_micro + 100U, events[order], CB_IDS[order]); - } - u64 end = core_timing.GetGlobalTimeNs().count(); - const double scheduling_time = static_cast<double>(end - start); - const double timer_time = static_cast<double>(TestTimerSpeed(core_timing)); - - while (core_timing.HasPendingEvents()) - ; - - REQUIRE(callbacks_ran_flags.all()); - - for (std::size_t i = 0; i < delays.size(); i++) { - const double delay = static_cast<double>(delays[i]); - const double micro = delay / 1000.0f; - const double mili = micro / 1000.0f; - printf("HostTimer No Pausing Delay[%zu]: %.3f %.6f\n", i, micro, mili); - } - - const double micro = scheduling_time / 1000.0f; - const double mili = micro / 1000.0f; - printf("HostTimer No Pausing Scheduling Time: %.3f %.6f\n", micro, mili); - printf("HostTimer No Pausing Timer Time: %.3f %.6f\n", timer_time / 1000.f, - timer_time / 1000000.f); -} diff --git a/src/video_core/gpu.cpp b/src/video_core/gpu.cpp index 8eb017f65..482e49711 100644 --- a/src/video_core/gpu.cpp +++ b/src/video_core/gpu.cpp @@ -2,6 +2,8 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include <chrono> + #include "common/assert.h" #include "common/microprofile.h" #include "core/core.h" @@ -154,8 +156,7 @@ u64 GPU::GetTicks() const { constexpr u64 gpu_ticks_num = 384; constexpr u64 gpu_ticks_den = 625; - const u64 cpu_ticks = system.CoreTiming().GetTicks(); - u64 nanoseconds = Core::Timing::CyclesToNs(cpu_ticks).count(); + u64 nanoseconds = system.CoreTiming().GetGlobalTimeNs().count(); if (Settings::values.use_fast_gpu_time) { nanoseconds /= 256; } diff --git a/src/video_core/gpu.h b/src/video_core/gpu.h index a1b4c305c..2c42483bd 100644 --- a/src/video_core/gpu.h +++ b/src/video_core/gpu.h @@ -284,6 +284,12 @@ public: /// core timing events. virtual void Start() = 0; + /// Obtain the CPU Context + virtual void ObtainContext() = 0; + + /// Release the CPU Context + virtual void ReleaseContext() = 0; + /// Push GPU command entries to be processed virtual void PushGPUEntries(Tegra::CommandList&& entries) = 0; diff --git a/src/video_core/gpu_asynch.cpp b/src/video_core/gpu_asynch.cpp index 53305ab43..7b855f63e 100644 --- a/src/video_core/gpu_asynch.cpp +++ b/src/video_core/gpu_asynch.cpp @@ -19,10 +19,17 @@ GPUAsynch::GPUAsynch(Core::System& system, std::unique_ptr<VideoCore::RendererBa GPUAsynch::~GPUAsynch() = default; void GPUAsynch::Start() { - cpu_context->MakeCurrent(); gpu_thread.StartThread(*renderer, *gpu_context, *dma_pusher); } +void GPUAsynch::ObtainContext() { + cpu_context->MakeCurrent(); +} + +void GPUAsynch::ReleaseContext() { + cpu_context->DoneCurrent(); +} + void GPUAsynch::PushGPUEntries(Tegra::CommandList&& entries) { gpu_thread.SubmitList(std::move(entries)); } diff --git a/src/video_core/gpu_asynch.h b/src/video_core/gpu_asynch.h index 517658612..15e9f1d38 100644 --- a/src/video_core/gpu_asynch.h +++ b/src/video_core/gpu_asynch.h @@ -25,6 +25,8 @@ public: ~GPUAsynch() override; void Start() override; + void ObtainContext() override; + void ReleaseContext() override; void PushGPUEntries(Tegra::CommandList&& entries) override; void SwapBuffers(const Tegra::FramebufferConfig* framebuffer) override; void FlushRegion(VAddr addr, u64 size) override; diff --git a/src/video_core/gpu_synch.cpp b/src/video_core/gpu_synch.cpp index 6f38a672a..aaeb9811d 100644 --- a/src/video_core/gpu_synch.cpp +++ b/src/video_core/gpu_synch.cpp @@ -13,10 +13,16 @@ GPUSynch::GPUSynch(Core::System& system, std::unique_ptr<VideoCore::RendererBase GPUSynch::~GPUSynch() = default; -void GPUSynch::Start() { +void GPUSynch::Start() {} + +void GPUSynch::ObtainContext() { context->MakeCurrent(); } +void GPUSynch::ReleaseContext() { + context->DoneCurrent(); +} + void GPUSynch::PushGPUEntries(Tegra::CommandList&& entries) { dma_pusher->Push(std::move(entries)); dma_pusher->DispatchCalls(); diff --git a/src/video_core/gpu_synch.h b/src/video_core/gpu_synch.h index 4a6e9a01d..762c20aa5 100644 --- a/src/video_core/gpu_synch.h +++ b/src/video_core/gpu_synch.h @@ -24,6 +24,8 @@ public: ~GPUSynch() override; void Start() override; + void ObtainContext() override; + void ReleaseContext() override; void PushGPUEntries(Tegra::CommandList&& entries) override; void SwapBuffers(const Tegra::FramebufferConfig* framebuffer) override; void FlushRegion(VAddr addr, u64 size) override; diff --git a/src/video_core/gpu_thread.cpp b/src/video_core/gpu_thread.cpp index c3bb4fe06..738c6f0c1 100644 --- a/src/video_core/gpu_thread.cpp +++ b/src/video_core/gpu_thread.cpp @@ -4,6 +4,7 @@ #include "common/assert.h" #include "common/microprofile.h" +#include "common/thread.h" #include "core/core.h" #include "core/frontend/emu_window.h" #include "core/settings.h" @@ -18,7 +19,11 @@ namespace VideoCommon::GPUThread { static void RunThread(Core::System& system, VideoCore::RendererBase& renderer, Core::Frontend::GraphicsContext& context, Tegra::DmaPusher& dma_pusher, SynchState& state) { - MicroProfileOnThreadCreate("GpuThread"); + std::string name = "yuzu:GPU"; + MicroProfileOnThreadCreate(name.c_str()); + Common::SetCurrentThreadName(name.c_str()); + Common::SetCurrentThreadPriority(Common::ThreadPriority::High); + system.RegisterHostThread(); // Wait for first GPU command before acquiring the window context while (state.queue.Empty()) diff --git a/src/video_core/renderer_vulkan/vk_scheduler.cpp b/src/video_core/renderer_vulkan/vk_scheduler.cpp index 82ec9180e..56524e6f3 100644 --- a/src/video_core/renderer_vulkan/vk_scheduler.cpp +++ b/src/video_core/renderer_vulkan/vk_scheduler.cpp @@ -9,6 +9,7 @@ #include <utility> #include "common/microprofile.h" +#include "common/thread.h" #include "video_core/renderer_vulkan/vk_device.h" #include "video_core/renderer_vulkan/vk_query_cache.h" #include "video_core/renderer_vulkan/vk_resource_manager.h" @@ -133,6 +134,7 @@ void VKScheduler::BindGraphicsPipeline(VkPipeline pipeline) { } void VKScheduler::WorkerThread() { + Common::SetCurrentThreadPriority(Common::ThreadPriority::High); std::unique_lock lock{mutex}; do { cv.wait(lock, [this] { return !chunk_queue.Empty() || quit; }); diff --git a/src/yuzu/bootmanager.cpp b/src/yuzu/bootmanager.cpp index bfeb16458..4bfce48a4 100644 --- a/src/yuzu/bootmanager.cpp +++ b/src/yuzu/bootmanager.cpp @@ -44,49 +44,65 @@ EmuThread::EmuThread() = default; EmuThread::~EmuThread() = default; void EmuThread::run() { - MicroProfileOnThreadCreate("EmuThread"); + std::string name = "yuzu:EmuControlThread"; + MicroProfileOnThreadCreate(name.c_str()); + Common::SetCurrentThreadName(name.c_str()); + + auto& system = Core::System::GetInstance(); + + system.RegisterHostThread(); + + auto& gpu = system.GPU(); // Main process has been loaded. Make the context current to this thread and begin GPU and CPU // execution. - Core::System::GetInstance().GPU().Start(); + gpu.Start(); + + gpu.ObtainContext(); emit LoadProgress(VideoCore::LoadCallbackStage::Prepare, 0, 0); - Core::System::GetInstance().Renderer().Rasterizer().LoadDiskResources( + system.Renderer().Rasterizer().LoadDiskResources( stop_run, [this](VideoCore::LoadCallbackStage stage, std::size_t value, std::size_t total) { emit LoadProgress(stage, value, total); }); emit LoadProgress(VideoCore::LoadCallbackStage::Complete, 0, 0); + gpu.ReleaseContext(); + // Holds whether the cpu was running during the last iteration, // so that the DebugModeLeft signal can be emitted before the // next execution step bool was_active = false; while (!stop_run) { if (running) { - if (!was_active) + if (was_active) { emit DebugModeLeft(); + } - Core::System::ResultStatus result = Core::System::GetInstance().RunLoop(); + running_guard = true; + Core::System::ResultStatus result = system.Run(); if (result != Core::System::ResultStatus::Success) { + running_guard = false; this->SetRunning(false); - emit ErrorThrown(result, Core::System::GetInstance().GetStatusDetails()); + emit ErrorThrown(result, system.GetStatusDetails()); } + running_wait.Wait(); + result = system.Pause(); + if (result != Core::System::ResultStatus::Success) { + running_guard = false; + this->SetRunning(false); + emit ErrorThrown(result, system.GetStatusDetails()); + } + running_guard = false; - was_active = running || exec_step; - if (!was_active && !stop_run) + if (!stop_run) { + was_active = true; emit DebugModeEntered(); + } } else if (exec_step) { - if (!was_active) - emit DebugModeLeft(); - - exec_step = false; - Core::System::GetInstance().SingleStep(); - emit DebugModeEntered(); - yieldCurrentThread(); - - was_active = false; + UNIMPLEMENTED(); } else { std::unique_lock lock{running_mutex}; running_cv.wait(lock, [this] { return IsRunning() || exec_step || stop_run; }); @@ -94,7 +110,7 @@ void EmuThread::run() { } // Shutdown the core emulation - Core::System::GetInstance().Shutdown(); + system.Shutdown(); #if MICROPROFILE_ENABLED MicroProfileOnThreadExit(); diff --git a/src/yuzu/bootmanager.h b/src/yuzu/bootmanager.h index 3626604ca..6c59b4d5c 100644 --- a/src/yuzu/bootmanager.h +++ b/src/yuzu/bootmanager.h @@ -59,6 +59,12 @@ public: this->running = running; lock.unlock(); running_cv.notify_all(); + if (!running) { + running_wait.Set(); + /// Wait until effectively paused + while (running_guard) + ; + } } /** @@ -84,6 +90,8 @@ private: std::atomic_bool stop_run{false}; std::mutex running_mutex; std::condition_variable running_cv; + Common::Event running_wait{}; + std::atomic_bool running_guard{false}; signals: /** diff --git a/src/yuzu/configuration/configure_general.cpp b/src/yuzu/configuration/configure_general.cpp index cb95423e0..74b2ad537 100644 --- a/src/yuzu/configuration/configure_general.cpp +++ b/src/yuzu/configuration/configure_general.cpp @@ -23,6 +23,11 @@ ConfigureGeneral::ConfigureGeneral(QWidget* parent) ConfigureGeneral::~ConfigureGeneral() = default; void ConfigureGeneral::SetConfiguration() { + const bool runtime_lock = !Core::System::GetInstance().IsPoweredOn(); + + ui->use_multi_core->setEnabled(runtime_lock); + ui->use_multi_core->setChecked(Settings::values.use_multi_core); + ui->toggle_check_exit->setChecked(UISettings::values.confirm_before_closing); ui->toggle_user_on_boot->setChecked(UISettings::values.select_user_on_boot); ui->toggle_background_pause->setChecked(UISettings::values.pause_when_in_background); @@ -41,6 +46,7 @@ void ConfigureGeneral::ApplyConfiguration() { Settings::values.use_frame_limit = ui->toggle_frame_limit->isChecked(); Settings::values.frame_limit = ui->frame_limit->value(); + Settings::values.use_multi_core = ui->use_multi_core->isChecked(); } void ConfigureGeneral::changeEvent(QEvent* event) { diff --git a/src/yuzu/configuration/configure_general.ui b/src/yuzu/configuration/configure_general.ui index fc3b7e65a..2711116a2 100644 --- a/src/yuzu/configuration/configure_general.ui +++ b/src/yuzu/configuration/configure_general.ui @@ -52,6 +52,13 @@ </layout> </item> <item> + <widget class="QCheckBox" name="use_multi_core"> + <property name="text"> + <string>Multicore CPU Emulation</string> + </property> + </widget> + </item> + <item> <widget class="QCheckBox" name="toggle_check_exit"> <property name="text"> <string>Confirm exit while emulation is running</string> diff --git a/src/yuzu/debugger/wait_tree.cpp b/src/yuzu/debugger/wait_tree.cpp index c1ea25fb8..9bb0a0109 100644 --- a/src/yuzu/debugger/wait_tree.cpp +++ b/src/yuzu/debugger/wait_tree.cpp @@ -2,10 +2,13 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include <fmt/format.h> + #include "yuzu/debugger/wait_tree.h" #include "yuzu/util/util.h" #include "common/assert.h" +#include "core/arm/arm_interface.h" #include "core/core.h" #include "core/hle/kernel/handle_table.h" #include "core/hle/kernel/mutex.h" @@ -59,8 +62,10 @@ std::vector<std::unique_ptr<WaitTreeThread>> WaitTreeItem::MakeThreadItemList() std::size_t row = 0; auto add_threads = [&](const std::vector<std::shared_ptr<Kernel::Thread>>& threads) { for (std::size_t i = 0; i < threads.size(); ++i) { - item_list.push_back(std::make_unique<WaitTreeThread>(*threads[i])); - item_list.back()->row = row; + if (!threads[i]->IsHLEThread()) { + item_list.push_back(std::make_unique<WaitTreeThread>(*threads[i])); + item_list.back()->row = row; + } ++row; } }; @@ -114,20 +119,21 @@ QString WaitTreeCallstack::GetText() const { std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeCallstack::GetChildren() const { std::vector<std::unique_ptr<WaitTreeItem>> list; - constexpr std::size_t BaseRegister = 29; - auto& memory = Core::System::GetInstance().Memory(); - u64 base_pointer = thread.GetContext64().cpu_registers[BaseRegister]; + if (thread.IsHLEThread()) { + return list; + } - while (base_pointer != 0) { - const u64 lr = memory.Read64(base_pointer + sizeof(u64)); - if (lr == 0) { - break; - } + if (thread.GetOwnerProcess() == nullptr || !thread.GetOwnerProcess()->Is64BitProcess()) { + return list; + } - list.push_back(std::make_unique<WaitTreeText>( - tr("0x%1").arg(lr - sizeof(u32), 16, 16, QLatin1Char{'0'}))); + auto backtrace = Core::ARM_Interface::GetBacktraceFromContext(Core::System::GetInstance(), + thread.GetContext64()); - base_pointer = memory.Read64(base_pointer); + for (auto& entry : backtrace) { + std::string s = fmt::format("{:20}{:016X} {:016X} {:016X} {}", entry.module, entry.address, + entry.original_address, entry.offset, entry.name); + list.push_back(std::make_unique<WaitTreeText>(QString::fromStdString(s))); } return list; @@ -206,7 +212,15 @@ QString WaitTreeThread::GetText() const { status = tr("running"); break; case Kernel::ThreadStatus::Ready: - status = tr("ready"); + if (!thread.IsPaused()) { + if (thread.WasRunning()) { + status = tr("running"); + } else { + status = tr("ready"); + } + } else { + status = tr("paused"); + } break; case Kernel::ThreadStatus::Paused: status = tr("paused"); @@ -254,7 +268,15 @@ QColor WaitTreeThread::GetColor() const { case Kernel::ThreadStatus::Running: return QColor(Qt::GlobalColor::darkGreen); case Kernel::ThreadStatus::Ready: - return QColor(Qt::GlobalColor::darkBlue); + if (!thread.IsPaused()) { + if (thread.WasRunning()) { + return QColor(Qt::GlobalColor::darkGreen); + } else { + return QColor(Qt::GlobalColor::darkBlue); + } + } else { + return QColor(Qt::GlobalColor::lightGray); + } case Kernel::ThreadStatus::Paused: return QColor(Qt::GlobalColor::lightGray); case Kernel::ThreadStatus::WaitHLEEvent: @@ -319,7 +341,7 @@ std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeThread::GetChildren() const { if (thread.GetStatus() == Kernel::ThreadStatus::WaitSynch) { list.push_back(std::make_unique<WaitTreeObjectList>(thread.GetSynchronizationObjects(), - thread.IsSleepingOnWait())); + thread.IsWaitingSync())); } list.push_back(std::make_unique<WaitTreeCallstack>(thread)); diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp index ba69139e5..82625e67f 100644 --- a/src/yuzu/main.cpp +++ b/src/yuzu/main.cpp @@ -534,14 +534,36 @@ void GMainWindow::InitializeWidgets() { if (emulation_running) { return; } - Settings::values.use_asynchronous_gpu_emulation = - !Settings::values.use_asynchronous_gpu_emulation; + bool is_async = + !Settings::values.use_asynchronous_gpu_emulation || Settings::values.use_multi_core; + Settings::values.use_asynchronous_gpu_emulation = is_async; async_status_button->setChecked(Settings::values.use_asynchronous_gpu_emulation); Settings::Apply(); }); async_status_button->setText(tr("ASYNC")); async_status_button->setCheckable(true); async_status_button->setChecked(Settings::values.use_asynchronous_gpu_emulation); + + // Setup Multicore button + multicore_status_button = new QPushButton(); + multicore_status_button->setObjectName(QStringLiteral("TogglableStatusBarButton")); + multicore_status_button->setFocusPolicy(Qt::NoFocus); + connect(multicore_status_button, &QPushButton::clicked, [&] { + if (emulation_running) { + return; + } + Settings::values.use_multi_core = !Settings::values.use_multi_core; + bool is_async = + Settings::values.use_asynchronous_gpu_emulation || Settings::values.use_multi_core; + Settings::values.use_asynchronous_gpu_emulation = is_async; + async_status_button->setChecked(Settings::values.use_asynchronous_gpu_emulation); + multicore_status_button->setChecked(Settings::values.use_multi_core); + Settings::Apply(); + }); + multicore_status_button->setText(tr("MULTICORE")); + multicore_status_button->setCheckable(true); + multicore_status_button->setChecked(Settings::values.use_multi_core); + statusBar()->insertPermanentWidget(0, multicore_status_button); statusBar()->insertPermanentWidget(0, async_status_button); // Setup Renderer API button @@ -925,6 +947,8 @@ bool GMainWindow::LoadROM(const QString& filename) { nullptr, // E-Commerce }); + system.RegisterHostThread(); + const Core::System::ResultStatus result{system.Load(*render_window, filename.toStdString())}; const auto drd_callout = @@ -1041,6 +1065,7 @@ void GMainWindow::BootGame(const QString& filename) { } status_bar_update_timer.start(2000); async_status_button->setDisabled(true); + multicore_status_button->setDisabled(true); renderer_status_button->setDisabled(true); if (UISettings::values.hide_mouse) { @@ -1128,6 +1153,7 @@ void GMainWindow::ShutdownGame() { game_fps_label->setVisible(false); emu_frametime_label->setVisible(false); async_status_button->setEnabled(true); + multicore_status_button->setEnabled(true); #ifdef HAS_VULKAN renderer_status_button->setEnabled(true); #endif @@ -1933,7 +1959,11 @@ void GMainWindow::OnConfigure() { } dock_status_button->setChecked(Settings::values.use_docked_mode); + multicore_status_button->setChecked(Settings::values.use_multi_core); + Settings::values.use_asynchronous_gpu_emulation = + Settings::values.use_asynchronous_gpu_emulation || Settings::values.use_multi_core; async_status_button->setChecked(Settings::values.use_asynchronous_gpu_emulation); + #ifdef HAS_VULKAN renderer_status_button->setChecked(Settings::values.renderer_backend == Settings::RendererBackend::Vulkan); @@ -2060,7 +2090,7 @@ void GMainWindow::UpdateStatusBar() { game_fps_label->setText(tr("Game: %1 FPS").arg(results.game_fps, 0, 'f', 0)); emu_frametime_label->setText(tr("Frame: %1 ms").arg(results.frametime * 1000.0, 0, 'f', 2)); - emu_speed_label->setVisible(true); + emu_speed_label->setVisible(!Settings::values.use_multi_core); game_fps_label->setVisible(true); emu_frametime_label->setVisible(true); } diff --git a/src/yuzu/main.h b/src/yuzu/main.h index d55e55cc6..5581874ed 100644 --- a/src/yuzu/main.h +++ b/src/yuzu/main.h @@ -235,6 +235,7 @@ private: QLabel* game_fps_label = nullptr; QLabel* emu_frametime_label = nullptr; QPushButton* async_status_button = nullptr; + QPushButton* multicore_status_button = nullptr; QPushButton* renderer_status_button = nullptr; QPushButton* dock_status_button = nullptr; QTimer status_bar_update_timer; diff --git a/src/yuzu_cmd/yuzu.cpp b/src/yuzu_cmd/yuzu.cpp index 4d2ea7e9e..e6c6a839d 100644 --- a/src/yuzu_cmd/yuzu.cpp +++ b/src/yuzu_cmd/yuzu.cpp @@ -2,6 +2,7 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include <chrono> #include <iostream> #include <memory> #include <string> @@ -236,9 +237,11 @@ int main(int argc, char** argv) { system.Renderer().Rasterizer().LoadDiskResources(); std::thread render_thread([&emu_window] { emu_window->Present(); }); + system.Run(); while (emu_window->IsOpen()) { - system.RunLoop(); + std::this_thread::sleep_for(std::chrono::milliseconds(1)); } + system.Pause(); render_thread.join(); system.Shutdown(); diff --git a/src/yuzu_tester/yuzu.cpp b/src/yuzu_tester/yuzu.cpp index 676e70ebd..083667baf 100644 --- a/src/yuzu_tester/yuzu.cpp +++ b/src/yuzu_tester/yuzu.cpp @@ -2,6 +2,7 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include <chrono> #include <iostream> #include <memory> #include <string> @@ -255,9 +256,11 @@ int main(int argc, char** argv) { system.GPU().Start(); system.Renderer().Rasterizer().LoadDiskResources(); + system.Run(); while (!finished) { - system.RunLoop(); + std::this_thread::sleep_for(std::chrono::milliseconds(1)); } + system.Pause(); detached_tasks.WaitForAllTasks(); return return_value; |