diff options
Diffstat (limited to 'src/core/hle/kernel')
-rw-r--r-- | src/core/hle/kernel/k_scheduler.cpp | 5 | ||||
-rw-r--r-- | src/core/hle/kernel/k_synchronization_object.cpp | 3 | ||||
-rw-r--r-- | src/core/hle/kernel/k_thread.cpp | 23 | ||||
-rw-r--r-- | src/core/hle/kernel/k_thread.h | 7 | ||||
-rw-r--r-- | src/core/hle/kernel/svc/svc_info.cpp | 4 | ||||
-rw-r--r-- | src/core/hle/kernel/svc/svc_ipc.cpp | 7 | ||||
-rw-r--r-- | src/core/hle/kernel/svc/svc_synchronization.cpp | 10 | ||||
-rw-r--r-- | src/core/hle/kernel/svc/svc_thread.cpp | 2 | ||||
-rw-r--r-- | src/core/hle/kernel/svc/svc_tick.cpp | 10 |
9 files changed, 37 insertions, 34 deletions
diff --git a/src/core/hle/kernel/k_scheduler.cpp b/src/core/hle/kernel/k_scheduler.cpp index faa12b4f0..75ce5a23c 100644 --- a/src/core/hle/kernel/k_scheduler.cpp +++ b/src/core/hle/kernel/k_scheduler.cpp @@ -184,7 +184,8 @@ u64 KScheduler::UpdateHighestPriorityThread(KThread* highest_thread) { prev_highest_thread != highest_thread) [[likely]] { if (prev_highest_thread != nullptr) [[likely]] { IncrementScheduledCount(prev_highest_thread); - prev_highest_thread->SetLastScheduledTick(m_kernel.System().CoreTiming().GetCPUTicks()); + prev_highest_thread->SetLastScheduledTick( + m_kernel.System().CoreTiming().GetClockTicks()); } if (m_state.should_count_idle) { if (highest_thread != nullptr) [[likely]] { @@ -351,7 +352,7 @@ void KScheduler::SwitchThread(KThread* next_thread) { // Update the CPU time tracking variables. const s64 prev_tick = m_last_context_switch_time; - const s64 cur_tick = m_kernel.System().CoreTiming().GetCPUTicks(); + const s64 cur_tick = m_kernel.System().CoreTiming().GetClockTicks(); const s64 tick_diff = cur_tick - prev_tick; cur_thread->AddCpuTime(m_core_id, tick_diff); if (cur_process != nullptr) { diff --git a/src/core/hle/kernel/k_synchronization_object.cpp b/src/core/hle/kernel/k_synchronization_object.cpp index b7da3eee7..3e5b735b1 100644 --- a/src/core/hle/kernel/k_synchronization_object.cpp +++ b/src/core/hle/kernel/k_synchronization_object.cpp @@ -3,6 +3,7 @@ #include "common/assert.h" #include "common/common_types.h" +#include "common/scratch_buffer.h" #include "core/hle/kernel/k_scheduler.h" #include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h" #include "core/hle/kernel/k_synchronization_object.h" @@ -75,7 +76,7 @@ Result KSynchronizationObject::Wait(KernelCore& kernel, s32* out_index, KSynchronizationObject** objects, const s32 num_objects, s64 timeout) { // Allocate space on stack for thread nodes. - std::vector<ThreadListNode> thread_nodes(num_objects); + std::array<ThreadListNode, Svc::ArgumentHandleCountMax> thread_nodes; // Prepare for wait. KThread* thread = GetCurrentThreadPointer(kernel); diff --git a/src/core/hle/kernel/k_thread.cpp b/src/core/hle/kernel/k_thread.cpp index 70480b725..adb6ec581 100644 --- a/src/core/hle/kernel/k_thread.cpp +++ b/src/core/hle/kernel/k_thread.cpp @@ -4,6 +4,8 @@ #include <algorithm> #include <atomic> #include <cinttypes> +#include <condition_variable> +#include <mutex> #include <optional> #include <vector> @@ -907,7 +909,7 @@ Result KThread::SetActivity(Svc::ThreadActivity activity) { R_SUCCEED(); } -Result KThread::GetThreadContext3(std::vector<u8>& out) { +Result KThread::GetThreadContext3(Common::ScratchBuffer<u8>& out) { // Lock ourselves. KScopedLightLock lk{m_activity_pause_lock}; @@ -925,15 +927,13 @@ Result KThread::GetThreadContext3(std::vector<u8>& out) { // Mask away mode bits, interrupt bits, IL bit, and other reserved bits. auto context = GetContext64(); context.pstate &= 0xFF0FFE20; - - out.resize(sizeof(context)); + out.resize_destructive(sizeof(context)); std::memcpy(out.data(), std::addressof(context), sizeof(context)); } else { // Mask away mode bits, interrupt bits, IL bit, and other reserved bits. auto context = GetContext32(); context.cpsr &= 0xFF0FFE20; - - out.resize(sizeof(context)); + out.resize_destructive(sizeof(context)); std::memcpy(out.data(), std::addressof(context), sizeof(context)); } } @@ -1313,7 +1313,8 @@ void KThread::RequestDummyThreadWait() { ASSERT(this->IsDummyThread()); // We will block when the scheduler lock is released. - m_dummy_thread_runnable.store(false); + std::scoped_lock lock{m_dummy_thread_mutex}; + m_dummy_thread_runnable = false; } void KThread::DummyThreadBeginWait() { @@ -1323,7 +1324,8 @@ void KThread::DummyThreadBeginWait() { } // Block until runnable is no longer false. - m_dummy_thread_runnable.wait(false); + std::unique_lock lock{m_dummy_thread_mutex}; + m_dummy_thread_cv.wait(lock, [this] { return m_dummy_thread_runnable; }); } void KThread::DummyThreadEndWait() { @@ -1331,8 +1333,11 @@ void KThread::DummyThreadEndWait() { ASSERT(this->IsDummyThread()); // Wake up the waiting thread. - m_dummy_thread_runnable.store(true); - m_dummy_thread_runnable.notify_one(); + { + std::scoped_lock lock{m_dummy_thread_mutex}; + m_dummy_thread_runnable = true; + } + m_dummy_thread_cv.notify_one(); } void KThread::BeginWait(KThreadQueue* queue) { diff --git a/src/core/hle/kernel/k_thread.h b/src/core/hle/kernel/k_thread.h index f9814ac8f..dd662b3f8 100644 --- a/src/core/hle/kernel/k_thread.h +++ b/src/core/hle/kernel/k_thread.h @@ -15,6 +15,7 @@ #include "common/intrusive_list.h" #include "common/intrusive_red_black_tree.h" +#include "common/scratch_buffer.h" #include "common/spin_lock.h" #include "core/arm/arm_interface.h" #include "core/hle/kernel/k_affinity_mask.h" @@ -567,7 +568,7 @@ public: void RemoveWaiter(KThread* thread); - Result GetThreadContext3(std::vector<u8>& out); + Result GetThreadContext3(Common::ScratchBuffer<u8>& out); KThread* RemoveUserWaiterByKey(bool* out_has_waiters, KProcessAddress key) { return this->RemoveWaiterByKey(out_has_waiters, key, false); @@ -892,7 +893,9 @@ private: std::shared_ptr<Common::Fiber> m_host_context{}; ThreadType m_thread_type{}; StepState m_step_state{}; - std::atomic<bool> m_dummy_thread_runnable{true}; + bool m_dummy_thread_runnable{true}; + std::mutex m_dummy_thread_mutex{}; + std::condition_variable m_dummy_thread_cv{}; // For debugging std::vector<KSynchronizationObject*> m_wait_objects_for_debugging{}; diff --git a/src/core/hle/kernel/svc/svc_info.cpp b/src/core/hle/kernel/svc/svc_info.cpp index 2b2c878b5..445cdd87b 100644 --- a/src/core/hle/kernel/svc/svc_info.cpp +++ b/src/core/hle/kernel/svc/svc_info.cpp @@ -199,9 +199,9 @@ Result GetInfo(Core::System& system, u64* result, InfoType info_id_type, Handle if (same_thread && info_sub_id == 0xFFFFFFFFFFFFFFFF) { const u64 thread_ticks = current_thread->GetCpuTime(); - out_ticks = thread_ticks + (core_timing.GetCPUTicks() - prev_ctx_ticks); + out_ticks = thread_ticks + (core_timing.GetClockTicks() - prev_ctx_ticks); } else if (same_thread && info_sub_id == system.Kernel().CurrentPhysicalCoreIndex()) { - out_ticks = core_timing.GetCPUTicks() - prev_ctx_ticks; + out_ticks = core_timing.GetClockTicks() - prev_ctx_ticks; } *result = out_ticks; diff --git a/src/core/hle/kernel/svc/svc_ipc.cpp b/src/core/hle/kernel/svc/svc_ipc.cpp index ea03068aa..60247df2e 100644 --- a/src/core/hle/kernel/svc/svc_ipc.cpp +++ b/src/core/hle/kernel/svc/svc_ipc.cpp @@ -2,6 +2,7 @@ // SPDX-License-Identifier: GPL-2.0-or-later #include "common/scope_exit.h" +#include "common/scratch_buffer.h" #include "core/core.h" #include "core/hle/kernel/k_client_session.h" #include "core/hle/kernel/k_process.h" @@ -45,11 +46,11 @@ Result ReplyAndReceive(Core::System& system, s32* out_index, uint64_t handles_ad handles_addr, static_cast<u64>(sizeof(Handle) * num_handles)), ResultInvalidPointer); - std::vector<Handle> handles(num_handles); + std::array<Handle, Svc::ArgumentHandleCountMax> handles; GetCurrentMemory(kernel).ReadBlock(handles_addr, handles.data(), sizeof(Handle) * num_handles); // Convert handle list to object table. - std::vector<KSynchronizationObject*> objs(num_handles); + std::array<KSynchronizationObject*, Svc::ArgumentHandleCountMax> objs; R_UNLESS(handle_table.GetMultipleObjects<KSynchronizationObject>(objs.data(), handles.data(), num_handles), ResultInvalidHandle); @@ -80,7 +81,7 @@ Result ReplyAndReceive(Core::System& system, s32* out_index, uint64_t handles_ad // Wait for an object. s32 index; Result result = KSynchronizationObject::Wait(kernel, std::addressof(index), objs.data(), - static_cast<s32>(objs.size()), timeout_ns); + num_handles, timeout_ns); if (result == ResultTimedOut) { R_RETURN(result); } diff --git a/src/core/hle/kernel/svc/svc_synchronization.cpp b/src/core/hle/kernel/svc/svc_synchronization.cpp index 04d65f0bd..53df5bcd8 100644 --- a/src/core/hle/kernel/svc/svc_synchronization.cpp +++ b/src/core/hle/kernel/svc/svc_synchronization.cpp @@ -2,6 +2,7 @@ // SPDX-License-Identifier: GPL-2.0-or-later #include "common/scope_exit.h" +#include "common/scratch_buffer.h" #include "core/core.h" #include "core/hle/kernel/k_process.h" #include "core/hle/kernel/k_readable_event.h" @@ -54,7 +55,7 @@ static Result WaitSynchronization(Core::System& system, int32_t* out_index, cons // Get the synchronization context. auto& kernel = system.Kernel(); auto& handle_table = GetCurrentProcess(kernel).GetHandleTable(); - std::vector<KSynchronizationObject*> objs(num_handles); + std::array<KSynchronizationObject*, Svc::ArgumentHandleCountMax> objs; // Copy user handles. if (num_handles > 0) { @@ -72,8 +73,8 @@ static Result WaitSynchronization(Core::System& system, int32_t* out_index, cons }); // Wait on the objects. - Result res = KSynchronizationObject::Wait(kernel, out_index, objs.data(), - static_cast<s32>(objs.size()), timeout_ns); + Result res = + KSynchronizationObject::Wait(kernel, out_index, objs.data(), num_handles, timeout_ns); R_SUCCEED_IF(res == ResultSessionClosed); R_RETURN(res); @@ -87,8 +88,7 @@ Result WaitSynchronization(Core::System& system, int32_t* out_index, u64 user_ha // Ensure number of handles is valid. R_UNLESS(0 <= num_handles && num_handles <= Svc::ArgumentHandleCountMax, ResultOutOfRange); - - std::vector<Handle> handles(num_handles); + std::array<Handle, Svc::ArgumentHandleCountMax> handles; if (num_handles > 0) { GetCurrentMemory(system.Kernel()) .ReadBlock(user_handles, handles.data(), num_handles * sizeof(Handle)); diff --git a/src/core/hle/kernel/svc/svc_thread.cpp b/src/core/hle/kernel/svc/svc_thread.cpp index 37b54079c..36b94e6bf 100644 --- a/src/core/hle/kernel/svc/svc_thread.cpp +++ b/src/core/hle/kernel/svc/svc_thread.cpp @@ -174,7 +174,7 @@ Result GetThreadContext3(Core::System& system, u64 out_context, Handle thread_ha } // Get the thread context. - std::vector<u8> context; + static thread_local Common::ScratchBuffer<u8> context; R_TRY(thread->GetThreadContext3(context)); // Copy the thread context to user space. diff --git a/src/core/hle/kernel/svc/svc_tick.cpp b/src/core/hle/kernel/svc/svc_tick.cpp index 561336482..7dd7c6e51 100644 --- a/src/core/hle/kernel/svc/svc_tick.cpp +++ b/src/core/hle/kernel/svc/svc_tick.cpp @@ -12,16 +12,8 @@ namespace Kernel::Svc { int64_t GetSystemTick(Core::System& system) { LOG_TRACE(Kernel_SVC, "called"); - auto& core_timing = system.CoreTiming(); - // Returns the value of cntpct_el0 (https://switchbrew.org/wiki/SVC#svcGetSystemTick) - const u64 result{core_timing.GetClockTicks()}; - - if (!system.Kernel().IsMulticore()) { - core_timing.AddTicks(400U); - } - - return static_cast<int64_t>(result); + return static_cast<int64_t>(system.CoreTiming().GetClockTicks()); } int64_t GetSystemTick64(Core::System& system) { |