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author | Fernando Sahmkow <fsahmkow27@gmail.com> | 2020-02-25 03:04:12 +0100 |
---|---|---|
committer | Fernando Sahmkow <fsahmkow27@gmail.com> | 2020-06-27 17:35:06 +0200 |
commit | e31425df3877636c098ec7426ebd2067920715cb (patch) | |
tree | 5c0fc518a4ebb8413c491b43a9fdd99450c7bd80 /src/core/arm | |
parent | Merge pull request #3396 from FernandoS27/prometheus-1 (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/core/arm/arm_interface.h | 5 | ||||
-rw-r--r-- | src/core/arm/cpu_interrupt_handler.cpp | 29 | ||||
-rw-r--r-- | src/core/arm/cpu_interrupt_handler.h | 39 | ||||
-rw-r--r-- | src/core/arm/dynarmic/arm_dynarmic_32.cpp | 6 | ||||
-rw-r--r-- | src/core/arm/dynarmic/arm_dynarmic_32.h | 4 | ||||
-rw-r--r-- | src/core/arm/dynarmic/arm_dynarmic_64.cpp | 28 | ||||
-rw-r--r-- | src/core/arm/dynarmic/arm_dynarmic_64.h | 4 | ||||
-rw-r--r-- | src/core/arm/unicorn/arm_unicorn.cpp | 14 | ||||
-rw-r--r-- | src/core/arm/unicorn/arm_unicorn.h | 3 |
9 files changed, 103 insertions, 29 deletions
diff --git a/src/core/arm/arm_interface.h b/src/core/arm/arm_interface.h index cb2e640e2..87a1c29cc 100644 --- a/src/core/arm/arm_interface.h +++ b/src/core/arm/arm_interface.h @@ -18,11 +18,13 @@ enum class VMAPermission : u8; namespace Core { class System; +class CPUInterruptHandler; /// Generic ARMv8 CPU interface class ARM_Interface : NonCopyable { public: - explicit ARM_Interface(System& system_) : system{system_} {} + explicit ARM_Interface(System& system_, CPUInterruptHandler& interrupt_handler) + : system{system_}, interrupt_handler{interrupt_handler} {} virtual ~ARM_Interface() = default; struct ThreadContext32 { @@ -175,6 +177,7 @@ public: protected: /// System context that this ARM interface is running under. System& system; + CPUInterruptHandler& interrupt_handler; }; } // 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..91c31a271 --- /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; + + constexpr 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..0b7aa6a69 100644 --- a/src/core/arm/dynarmic/arm_dynarmic_32.cpp +++ b/src/core/arm/dynarmic/arm_dynarmic_32.cpp @@ -114,9 +114,9 @@ void ARM_Dynarmic_32::Step() { jit->Step(); } -ARM_Dynarmic_32::ARM_Dynarmic_32(System& system, ExclusiveMonitor& exclusive_monitor, - std::size_t core_index) - : ARM_Interface{system}, cb(std::make_unique<DynarmicCallbacks32>(*this)), +ARM_Dynarmic_32::ARM_Dynarmic_32(System& system, CPUInterruptHandler& interrupt_handler, + ExclusiveMonitor& exclusive_monitor, std::size_t core_index) + : ARM_Interface{system, interrupt_handler}, cb(std::make_unique<DynarmicCallbacks32>(*this)), cp15(std::make_shared<DynarmicCP15>(*this)), core_index{core_index}, exclusive_monitor{dynamic_cast<DynarmicExclusiveMonitor&>(exclusive_monitor)} {} diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.h b/src/core/arm/dynarmic/arm_dynarmic_32.h index e5b92d7bb..1e7e17e64 100644 --- a/src/core/arm/dynarmic/arm_dynarmic_32.h +++ b/src/core/arm/dynarmic/arm_dynarmic_32.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, CPUInterruptHandler& interrupt_handler, + ExclusiveMonitor& exclusive_monitor, std::size_t core_index); ~ARM_Dynarmic_32() override; void SetPC(u64 pc) override; diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.cpp b/src/core/arm/dynarmic/arm_dynarmic_64.cpp index 5f5e36d94..5e316ffd4 100644 --- a/src/core/arm/dynarmic/arm_dynarmic_64.cpp +++ b/src/core/arm/dynarmic/arm_dynarmic_64.cpp @@ -9,6 +9,7 @@ #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/core.h" #include "core/core_manager.h" @@ -108,23 +109,16 @@ public: } void AddTicks(u64 ticks) override { - // 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; - // Always execute at least one tick. - amortized_ticks = std::max<u64>(amortized_ticks, 1); - - parent.system.CoreTiming().AddTicks(amortized_ticks); - num_interpreted_instructions = 0; + /// We are using host timing, NOP } u64 GetTicksRemaining() override { - return std::max(parent.system.CoreTiming().GetDowncount(), s64{0}); + if (!parent.interrupt_handler.IsInterrupted()) { + return 1000ULL; + } + return 0ULL; } u64 GetCNTPCT() override { - return Timing::CpuCyclesToClockCycles(parent.system.CoreTiming().GetTicks()); + return parent.system.CoreTiming().GetClockTicks(); } ARM_Dynarmic_64& parent; @@ -183,10 +177,10 @@ void ARM_Dynarmic_64::Step() { cb->InterpreterFallback(jit->GetPC(), 1); } -ARM_Dynarmic_64::ARM_Dynarmic_64(System& system, 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}, +ARM_Dynarmic_64::ARM_Dynarmic_64(System& system, CPUInterruptHandler& interrupt_handler, + ExclusiveMonitor& exclusive_monitor, std::size_t core_index) + : ARM_Interface{system, interrupt_handler}, cb(std::make_unique<DynarmicCallbacks64>(*this)), + inner_unicorn{system, interrupt_handler, ARM_Unicorn::Arch::AArch64}, core_index{core_index}, exclusive_monitor{dynamic_cast<DynarmicExclusiveMonitor&>(exclusive_monitor)} {} ARM_Dynarmic_64::~ARM_Dynarmic_64() = default; diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.h b/src/core/arm/dynarmic/arm_dynarmic_64.h index 647cecaf0..9e94b58c2 100644 --- a/src/core/arm/dynarmic/arm_dynarmic_64.h +++ b/src/core/arm/dynarmic/arm_dynarmic_64.h @@ -22,12 +22,14 @@ 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, CPUInterruptHandler& interrupt_handler, + ExclusiveMonitor& exclusive_monitor, std::size_t core_index); ~ARM_Dynarmic_64() override; void SetPC(u64 pc) override; diff --git a/src/core/arm/unicorn/arm_unicorn.cpp b/src/core/arm/unicorn/arm_unicorn.cpp index e40e9626a..0393fe641 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 +63,8 @@ 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, CPUInterruptHandler& interrupt_handler, Arch architecture) + : ARM_Interface{system, interrupt_handler} { const auto arch = architecture == Arch::AArch32 ? UC_ARCH_ARM : UC_ARCH_ARM64; CHECKED(uc_open(arch, UC_MODE_ARM, &uc)); @@ -160,8 +162,12 @@ 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_handler.IsInterrupted()) { + return; + } + ExecuteInstructions(10); + } } } @@ -183,8 +189,6 @@ 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..0a4c087cd 100644 --- a/src/core/arm/unicorn/arm_unicorn.h +++ b/src/core/arm/unicorn/arm_unicorn.h @@ -11,6 +11,7 @@ namespace Core { +class CPUInterruptHandler; class System; class ARM_Unicorn final : public ARM_Interface { @@ -20,7 +21,7 @@ public: AArch64, // 64-bit ARM }; - explicit ARM_Unicorn(System& system, Arch architecture); + explicit ARM_Unicorn(System& system, CPUInterruptHandler& interrupt_handler, Arch architecture); ~ARM_Unicorn() override; void SetPC(u64 pc) override; |