58 lines
2 KiB
C++
58 lines
2 KiB
C++
// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/assert.h"
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#include "core/core.h"
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#include "core/core_timing.h"
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#include "core/core_timing_util.h"
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#include "core/hle/kernel/handle_table.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/scheduler.h"
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#include "core/hle/kernel/thread.h"
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#include "core/hle/kernel/time_manager.h"
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namespace Kernel {
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TimeManager::TimeManager(Core::System& system_) : system{system_} {
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time_manager_event_type = Core::Timing::CreateEvent(
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"Kernel::TimeManagerCallback", [this](u64 thread_handle, [[maybe_unused]] s64 cycles_late) {
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SchedulerLock lock(system.Kernel());
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Handle proper_handle = static_cast<Handle>(thread_handle);
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if (cancelled_events[proper_handle]) {
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return;
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}
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std::shared_ptr<Thread> thread =
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this->system.Kernel().RetrieveThreadFromGlobalHandleTable(proper_handle);
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thread->OnWakeUp();
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});
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}
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void TimeManager::ScheduleTimeEvent(Handle& event_handle, Thread* timetask, s64 nanoseconds) {
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event_handle = timetask->GetGlobalHandle();
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if (nanoseconds > 0) {
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ASSERT(timetask);
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ASSERT(timetask->GetStatus() != ThreadStatus::Ready);
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ASSERT(timetask->GetStatus() != ThreadStatus::WaitMutex);
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system.CoreTiming().ScheduleEvent(std::chrono::nanoseconds{nanoseconds},
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time_manager_event_type, event_handle);
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} else {
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event_handle = InvalidHandle;
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}
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cancelled_events[event_handle] = false;
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}
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void TimeManager::UnscheduleTimeEvent(Handle event_handle) {
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if (event_handle == InvalidHandle) {
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return;
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}
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system.CoreTiming().UnscheduleEvent(time_manager_event_type, event_handle);
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cancelled_events[event_handle] = true;
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}
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void TimeManager::CancelTimeEvent(Thread* time_task) {
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Handle event_handle = time_task->GetGlobalHandle();
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UnscheduleTimeEvent(event_handle);
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}
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} // namespace Kernel
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