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-rw-r--r--src/core/hle/kernel/k_process.cpp59
-rw-r--r--src/core/hle/kernel/k_process.h16
-rw-r--r--src/core/hle/kernel/k_thread.cpp8
-rw-r--r--src/core/hle/kernel/kernel.cpp49
-rw-r--r--src/core/hle/kernel/kernel.h11
-rw-r--r--src/core/hle/kernel/svc.cpp2
6 files changed, 108 insertions, 37 deletions
diff --git a/src/core/hle/kernel/k_process.cpp b/src/core/hle/kernel/k_process.cpp
index 8c79b4f0f..cd863e715 100644
--- a/src/core/hle/kernel/k_process.cpp
+++ b/src/core/hle/kernel/k_process.cpp
@@ -275,11 +275,15 @@ void KProcess::RemoveSharedMemory(KSharedMemory* shmem, [[maybe_unused]] VAddr a
shmem->Close();
}
-void KProcess::RegisterThread(const KThread* thread) {
+void KProcess::RegisterThread(KThread* thread) {
+ KScopedLightLock lk{list_lock};
+
thread_list.push_back(thread);
}
-void KProcess::UnregisterThread(const KThread* thread) {
+void KProcess::UnregisterThread(KThread* thread) {
+ KScopedLightLock lk{list_lock};
+
thread_list.remove(thread);
}
@@ -297,6 +301,50 @@ ResultCode KProcess::Reset() {
return ResultSuccess;
}
+ResultCode KProcess::SetActivity(ProcessActivity activity) {
+ // Lock ourselves and the scheduler.
+ KScopedLightLock lk{state_lock};
+ KScopedLightLock list_lk{list_lock};
+ KScopedSchedulerLock sl{kernel};
+
+ // Validate our state.
+ R_UNLESS(status != ProcessStatus::Exiting, ResultInvalidState);
+ R_UNLESS(status != ProcessStatus::Exited, ResultInvalidState);
+
+ // Either pause or resume.
+ if (activity == ProcessActivity::Paused) {
+ // Verify that we're not suspended.
+ if (is_suspended) {
+ return ResultInvalidState;
+ }
+
+ // Suspend all threads.
+ for (auto* thread : GetThreadList()) {
+ thread->RequestSuspend(SuspendType::Process);
+ }
+
+ // Set ourselves as suspended.
+ SetSuspended(true);
+ } else {
+ ASSERT(activity == ProcessActivity::Runnable);
+
+ // Verify that we're suspended.
+ if (!is_suspended) {
+ return ResultInvalidState;
+ }
+
+ // Resume all threads.
+ for (auto* thread : GetThreadList()) {
+ thread->Resume(SuspendType::Process);
+ }
+
+ // Set ourselves as resumed.
+ SetSuspended(false);
+ }
+
+ return ResultSuccess;
+}
+
ResultCode KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata,
std::size_t code_size) {
program_id = metadata.GetTitleID();
@@ -556,9 +604,10 @@ bool KProcess::IsSignaled() const {
}
KProcess::KProcess(KernelCore& kernel_)
- : KAutoObjectWithSlabHeapAndContainer{kernel_},
- page_table{std::make_unique<KPageTable>(kernel_.System())}, handle_table{kernel_},
- address_arbiter{kernel_.System()}, condition_var{kernel_.System()}, state_lock{kernel_} {}
+ : KAutoObjectWithSlabHeapAndContainer{kernel_}, page_table{std::make_unique<KPageTable>(
+ kernel_.System())},
+ handle_table{kernel_}, address_arbiter{kernel_.System()}, condition_var{kernel_.System()},
+ state_lock{kernel_}, list_lock{kernel_} {}
KProcess::~KProcess() = default;
diff --git a/src/core/hle/kernel/k_process.h b/src/core/hle/kernel/k_process.h
index 9f171e3da..e562a79b8 100644
--- a/src/core/hle/kernel/k_process.h
+++ b/src/core/hle/kernel/k_process.h
@@ -63,6 +63,11 @@ enum class ProcessStatus {
DebugBreak,
};
+enum class ProcessActivity : u32 {
+ Runnable,
+ Paused,
+};
+
class KProcess final : public KAutoObjectWithSlabHeapAndContainer<KProcess, KWorkerTask> {
KERNEL_AUTOOBJECT_TRAITS(KProcess, KSynchronizationObject);
@@ -282,17 +287,17 @@ public:
u64 GetTotalPhysicalMemoryUsedWithoutSystemResource() const;
/// Gets the list of all threads created with this process as their owner.
- const std::list<const KThread*>& GetThreadList() const {
+ std::list<KThread*>& GetThreadList() {
return thread_list;
}
/// Registers a thread as being created under this process,
/// adding it to this process' thread list.
- void RegisterThread(const KThread* thread);
+ void RegisterThread(KThread* thread);
/// Unregisters a thread from this process, removing it
/// from this process' thread list.
- void UnregisterThread(const KThread* thread);
+ void UnregisterThread(KThread* thread);
/// Clears the signaled state of the process if and only if it's signaled.
///
@@ -347,6 +352,8 @@ public:
void DoWorkerTaskImpl();
+ ResultCode SetActivity(ProcessActivity activity);
+
void PinCurrentThread(s32 core_id);
void UnpinCurrentThread(s32 core_id);
void UnpinThread(KThread* thread);
@@ -442,7 +449,7 @@ private:
std::array<u64, RANDOM_ENTROPY_SIZE> random_entropy{};
/// List of threads that are running with this process as their owner.
- std::list<const KThread*> thread_list;
+ std::list<KThread*> thread_list;
/// List of shared memory that are running with this process as their owner.
std::list<KSharedMemoryInfo*> shared_memory_list;
@@ -475,6 +482,7 @@ private:
KThread* exception_thread{};
KLightLock state_lock;
+ KLightLock list_lock;
using TLPTree =
Common::IntrusiveRedBlackTreeBaseTraits<KThreadLocalPage>::TreeType<KThreadLocalPage>;
diff --git a/src/core/hle/kernel/k_thread.cpp b/src/core/hle/kernel/k_thread.cpp
index ea2160099..8d48a7901 100644
--- a/src/core/hle/kernel/k_thread.cpp
+++ b/src/core/hle/kernel/k_thread.cpp
@@ -267,15 +267,15 @@ ResultCode KThread::InitializeDummyThread(KThread* thread) {
ResultCode KThread::InitializeIdleThread(Core::System& system, KThread* thread, s32 virt_core) {
return InitializeThread(thread, {}, {}, {}, IdleThreadPriority, virt_core, {}, ThreadType::Main,
Core::CpuManager::GetIdleThreadStartFunc(),
- system.GetCpuManager().GetStartFuncParamater());
+ system.GetCpuManager().GetStartFuncParameter());
}
ResultCode KThread::InitializeHighPriorityThread(Core::System& system, KThread* thread,
KThreadFunction func, uintptr_t arg,
s32 virt_core) {
return InitializeThread(thread, func, arg, {}, {}, virt_core, nullptr, ThreadType::HighPriority,
- Core::CpuManager::GetSuspendThreadStartFunc(),
- system.GetCpuManager().GetStartFuncParamater());
+ Core::CpuManager::GetShutdownThreadStartFunc(),
+ system.GetCpuManager().GetStartFuncParameter());
}
ResultCode KThread::InitializeUserThread(Core::System& system, KThread* thread,
@@ -284,7 +284,7 @@ ResultCode KThread::InitializeUserThread(Core::System& system, KThread* thread,
system.Kernel().GlobalSchedulerContext().AddThread(thread);
return InitializeThread(thread, func, arg, user_stack_top, prio, virt_core, owner,
ThreadType::User, Core::CpuManager::GetGuestThreadStartFunc(),
- system.GetCpuManager().GetStartFuncParamater());
+ system.GetCpuManager().GetStartFuncParameter());
}
void KThread::PostDestroy(uintptr_t arg) {
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index b2c4f12b4..73593c7a0 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -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();
@@ -1067,17 +1073,20 @@ 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 {
diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h
index 926e14c6f..4e7beab0e 100644
--- a/src/core/hle/kernel/kernel.h
+++ b/src/core/hle/kernel/kernel.h
@@ -184,6 +184,8 @@ public:
const std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES>& Interrupts() const;
+ void InterruptAllPhysicalCores();
+
void InvalidateAllInstructionCaches();
void InvalidateCpuInstructionCacheRange(VAddr addr, std::size_t size);
@@ -269,12 +271,15 @@ public:
/// Gets the shared memory object for HIDBus services.
const Kernel::KSharedMemory& GetHidBusSharedMem() const;
- /// Suspend/unsuspend the OS.
- void Suspend(bool in_suspention);
+ /// Suspend/unsuspend all processes.
+ void Suspend(bool suspend);
- /// Exceptional exit the OS.
+ /// Exceptional exit all processes.
void ExceptionalExit();
+ /// Notify emulated CPU cores to shut down.
+ void ShutdownCores();
+
bool IsMulticore() const;
bool IsShuttingDown() const;
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index 584fa5b1c..a1c09dd78 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -2530,7 +2530,7 @@ static ResultCode GetThreadList(Core::System& system, u32* out_num_threads, VAdd
return ResultOutOfRange;
}
- const auto* const current_process = system.Kernel().CurrentProcess();
+ auto* const current_process = system.Kernel().CurrentProcess();
const auto total_copy_size = out_thread_ids_size * sizeof(u64);
if (out_thread_ids_size > 0 &&
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-28 23:03:02 +0200