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kernel: implement KProcess suspension

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This commit is contained in:
Liam 2022-06-13 18:36:30 -04:00
parent c6e7ca562a
commit 888f499188
12 changed files with 204 additions and 217 deletions
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49
src/core/hle/kernel/kernel.cpp
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@ -76,7 +76,7 @@ struct KernelCore::Impl {
InitializeMemoryLayout();
Init::InitializeKPageBufferSlabHeap(system);
InitializeSchedulers();
InitializeSuspendThreads();
InitializeShutdownThreads();
InitializePreemption(kernel);
RegisterHostThread();
@ -143,9 +143,9 @@ struct KernelCore::Impl {
CleanupObject(system_resource_limit);
for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
if (suspend_threads[core_id]) {
suspend_threads[core_id]->Close();
suspend_threads[core_id] = nullptr;
if (shutdown_threads[core_id]) {
shutdown_threads[core_id]->Close();
shutdown_threads[core_id] = nullptr;
}
schedulers[core_id]->Finalize();
@ -247,14 +247,14 @@ struct KernelCore::Impl {
system.CoreTiming().ScheduleEvent(time_interval, preemption_event);
}
void InitializeSuspendThreads() {
void InitializeShutdownThreads() {
for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
suspend_threads[core_id] = KThread::Create(system.Kernel());
ASSERT(KThread::InitializeHighPriorityThread(system, suspend_threads[core_id], {}, {},
shutdown_threads[core_id] = KThread::Create(system.Kernel());
ASSERT(KThread::InitializeHighPriorityThread(system, shutdown_threads[core_id], {}, {},
core_id)
.IsSuccess());
suspend_threads[core_id]->SetName(fmt::format("SuspendThread:{}", core_id));
suspend_threads[core_id]->DisableDispatch();
shutdown_threads[core_id]->SetName(fmt::format("SuspendThread:{}", core_id));
shutdown_threads[core_id]->DisableDispatch();
}
}
@ -769,7 +769,7 @@ struct KernelCore::Impl {
std::weak_ptr<ServiceThread> default_service_thread;
Common::ThreadWorker service_threads_manager;
std::array<KThread*, Core::Hardware::NUM_CPU_CORES> suspend_threads;
std::array<KThread*, Core::Hardware::NUM_CPU_CORES> shutdown_threads;
std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES> interrupts{};
std::array<std::unique_ptr<Kernel::KScheduler>, Core::Hardware::NUM_CPU_CORES> schedulers{};
@ -920,6 +920,12 @@ const KAutoObjectWithListContainer& KernelCore::ObjectListContainer() const {
return *impl->global_object_list_container;
}
void KernelCore::InterruptAllPhysicalCores() {
for (auto& physical_core : impl->cores) {
physical_core.Interrupt();
}
}
void KernelCore::InvalidateAllInstructionCaches() {
for (auto& physical_core : impl->cores) {
physical_core.ArmInterface().ClearInstructionCache();
@ -1067,19 +1073,22 @@ const Kernel::KSharedMemory& KernelCore::GetHidBusSharedMem() const {
return *impl->hidbus_shared_mem;
}
void KernelCore::Suspend(bool in_suspention) {
const bool should_suspend = exception_exited || in_suspention;
{
KScopedSchedulerLock lock(*this);
const auto state = should_suspend ? ThreadState::Runnable : ThreadState::Waiting;
for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
impl->suspend_threads[core_id]->SetState(state);
impl->suspend_threads[core_id]->SetWaitReasonForDebugging(
ThreadWaitReasonForDebugging::Suspended);
}
void KernelCore::Suspend(bool suspended) {
const bool should_suspend{exception_exited || suspended};
const auto activity = should_suspend ? ProcessActivity::Paused : ProcessActivity::Runnable;
for (auto* process : GetProcessList()) {
process->SetActivity(activity);
}
}
void KernelCore::ShutdownCores() {
for (auto* thread : impl->shutdown_threads) {
void(thread->Run());
}
InterruptAllPhysicalCores();
}
bool KernelCore::IsMulticore() const {
return impl->is_multicore;
}