mirror of https://github.com/yuzu-emu/yuzu.git
74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
#include <mutex>
|
|
|
|
#include "common/assert.h"
|
|
#include "core/core.h"
|
|
#include "core/hle/kernel/global_scheduler_context.h"
|
|
#include "core/hle/kernel/k_scheduler.h"
|
|
#include "core/hle/kernel/kernel.h"
|
|
#include "core/hle/kernel/physical_core.h"
|
|
|
|
namespace Kernel {
|
|
|
|
GlobalSchedulerContext::GlobalSchedulerContext(KernelCore& kernel)
|
|
: m_kernel{kernel}, m_scheduler_lock{kernel} {}
|
|
|
|
GlobalSchedulerContext::~GlobalSchedulerContext() = default;
|
|
|
|
void GlobalSchedulerContext::AddThread(KThread* thread) {
|
|
std::scoped_lock lock{m_global_list_guard};
|
|
m_thread_list.push_back(thread);
|
|
}
|
|
|
|
void GlobalSchedulerContext::RemoveThread(KThread* thread) {
|
|
std::scoped_lock lock{m_global_list_guard};
|
|
std::erase(m_thread_list, thread);
|
|
}
|
|
|
|
void GlobalSchedulerContext::PreemptThreads() {
|
|
// The priority levels at which the global scheduler preempts threads every 10 ms. They are
|
|
// ordered from Core 0 to Core 3.
|
|
static constexpr std::array<u32, Core::Hardware::NUM_CPU_CORES> preemption_priorities{
|
|
59,
|
|
59,
|
|
59,
|
|
63,
|
|
};
|
|
|
|
ASSERT(KScheduler::IsSchedulerLockedByCurrentThread(m_kernel));
|
|
for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
|
|
const u32 priority = preemption_priorities[core_id];
|
|
KScheduler::RotateScheduledQueue(m_kernel, core_id, priority);
|
|
}
|
|
}
|
|
|
|
bool GlobalSchedulerContext::IsLocked() const {
|
|
return m_scheduler_lock.IsLockedByCurrentThread();
|
|
}
|
|
|
|
void GlobalSchedulerContext::RegisterDummyThreadForWakeup(KThread* thread) {
|
|
ASSERT(this->IsLocked());
|
|
|
|
m_woken_dummy_threads.insert(thread);
|
|
}
|
|
|
|
void GlobalSchedulerContext::UnregisterDummyThreadForWakeup(KThread* thread) {
|
|
ASSERT(this->IsLocked());
|
|
|
|
m_woken_dummy_threads.erase(thread);
|
|
}
|
|
|
|
void GlobalSchedulerContext::WakeupWaitingDummyThreads() {
|
|
ASSERT(this->IsLocked());
|
|
|
|
for (auto* thread : m_woken_dummy_threads) {
|
|
thread->DummyThreadEndWait();
|
|
}
|
|
|
|
m_woken_dummy_threads.clear();
|
|
}
|
|
|
|
} // namespace Kernel
|