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svc: Implement SetThreadActivity (thread suspension)

This commit is contained in:
Luke Street 2018-12-03 12:25:27 -05:00
parent adc4d332fc
commit 3e75175d02
5 changed files with 76 additions and 6 deletions

View file

@ -27,7 +27,7 @@ constexpr ResultCode ERR_SYNCHRONIZATION_CANCELED{ErrorModule::Kernel, 118};
constexpr ResultCode ERR_OUT_OF_RANGE{ErrorModule::Kernel, 119};
constexpr ResultCode ERR_INVALID_ENUM_VALUE{ErrorModule::Kernel, 120};
constexpr ResultCode ERR_NOT_FOUND{ErrorModule::Kernel, 121};
constexpr ResultCode ERR_ALREADY_REGISTERED{ErrorModule::Kernel, 122};
constexpr ResultCode ERR_BUSY{ErrorModule::Kernel, 122};
constexpr ResultCode ERR_SESSION_CLOSED_BY_REMOTE{ErrorModule::Kernel, 123};
constexpr ResultCode ERR_INVALID_STATE{ErrorModule::Kernel, 125};
constexpr ResultCode ERR_RESOURCE_LIMIT_EXCEEDED{ErrorModule::Kernel, 132};

View file

@ -851,8 +851,35 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id)
}
/// Sets the thread activity
static ResultCode SetThreadActivity(Handle handle, u32 unknown) {
LOG_WARNING(Kernel_SVC, "(STUBBED) called, handle=0x{:08X}, unknown=0x{:08X}", handle, unknown);
static ResultCode SetThreadActivity(Handle handle, u32 activity) {
LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, activity=0x{:08X}", handle, activity);
if (activity > static_cast<u32>(ThreadActivity::Paused)) {
return ERR_INVALID_ENUM_VALUE;
}
const auto* current_process = Core::CurrentProcess();
const SharedPtr<Thread> thread = current_process->GetHandleTable().Get<Thread>(handle);
if (!thread) {
LOG_ERROR(Kernel_SVC, "Thread handle does not exist, handle=0x{:08X}", handle);
return ERR_INVALID_HANDLE;
}
if (thread->GetOwnerProcess() != current_process) {
LOG_ERROR(Kernel_SVC,
"The current process does not own the current thread, thread_handle={:08X} "
"thread_pid={}, "
"current_process_pid={}",
handle, thread->GetOwnerProcess()->GetProcessID(),
current_process->GetProcessID());
return ERR_INVALID_HANDLE;
}
if (thread == GetCurrentThread()) {
LOG_ERROR(Kernel_SVC, "The thread handle specified is the current running thread");
return ERR_BUSY;
}
thread->SetActivity(static_cast<ThreadActivity>(activity));
return RESULT_SUCCESS;
}
@ -879,7 +906,7 @@ static ResultCode GetThreadContext(VAddr thread_context, Handle handle) {
if (thread == GetCurrentThread()) {
LOG_ERROR(Kernel_SVC, "The thread handle specified is the current running thread");
return ERR_ALREADY_REGISTERED;
return ERR_BUSY;
}
Core::ARM_Interface::ThreadContext ctx = thread->GetContext();
@ -1157,7 +1184,10 @@ static ResultCode StartThread(Handle thread_handle) {
ASSERT(thread->GetStatus() == ThreadStatus::Dormant);
thread->ResumeFromWait();
Core::System::GetInstance().CpuCore(thread->GetProcessorID()).PrepareReschedule();
if (thread->GetStatus() == ThreadStatus::Ready) {
Core::System::GetInstance().CpuCore(thread->GetProcessorID()).PrepareReschedule();
}
return RESULT_SUCCESS;
}

View file

@ -50,7 +50,7 @@ void Thread::Stop() {
// Clean up thread from ready queue
// This is only needed when the thread is terminated forcefully (SVC TerminateProcess)
if (status == ThreadStatus::Ready) {
if (status == ThreadStatus::Ready || status == ThreadStatus::Paused) {
scheduler->UnscheduleThread(this, current_priority);
}
@ -140,6 +140,11 @@ void Thread::ResumeFromWait() {
wakeup_callback = nullptr;
if (activity == ThreadActivity::Paused) {
status = ThreadStatus::Paused;
return;
}
status = ThreadStatus::Ready;
ChangeScheduler();
@ -388,6 +393,23 @@ bool Thread::InvokeWakeupCallback(ThreadWakeupReason reason, SharedPtr<Thread> t
return wakeup_callback(reason, std::move(thread), std::move(object), index);
}
void Thread::SetActivity(ThreadActivity value) {
activity = value;
if (value == ThreadActivity::Paused) {
// Set status if not waiting
if (status == ThreadStatus::Ready) {
status = ThreadStatus::Paused;
} else if (status == ThreadStatus::Running) {
status = ThreadStatus::Paused;
Core::System::GetInstance().CpuCore(processor_id).PrepareReschedule();
}
} else if (status == ThreadStatus::Paused) {
// Ready to reschedule
ResumeFromWait();
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/**

View file

@ -44,6 +44,7 @@ enum ThreadProcessorId : s32 {
enum class ThreadStatus {
Running, ///< Currently running
Ready, ///< Ready to run
Paused, ///< Paused by SetThreadActivity or debug
WaitHLEEvent, ///< Waiting for hle event to finish
WaitSleep, ///< Waiting due to a SleepThread SVC
WaitIPC, ///< Waiting for the reply from an IPC request
@ -60,6 +61,11 @@ enum class ThreadWakeupReason {
Timeout // The thread was woken up due to a wait timeout.
};
enum class ThreadActivity : u32 {
Normal = 0,
Paused = 1,
};
class Thread final : public WaitObject {
public:
using TLSMemory = std::vector<u8>;
@ -370,6 +376,12 @@ public:
return affinity_mask;
}
ThreadActivity GetActivity() const {
return activity;
}
void SetActivity(ThreadActivity value);
private:
explicit Thread(KernelCore& kernel);
~Thread() override;
@ -438,6 +450,8 @@ private:
TLSMemoryPtr tls_memory = std::make_shared<TLSMemory>();
std::string name;
ThreadActivity activity = ThreadActivity::Normal;
};
/**

View file

@ -221,6 +221,9 @@ QString WaitTreeThread::GetText() const {
case Kernel::ThreadStatus::Ready:
status = tr("ready");
break;
case Kernel::ThreadStatus::Paused:
status = tr("paused");
break;
case Kernel::ThreadStatus::WaitHLEEvent:
status = tr("waiting for HLE return");
break;
@ -261,6 +264,7 @@ QColor WaitTreeThread::GetColor() const {
case Kernel::ThreadStatus::Running:
return QColor(Qt::GlobalColor::darkGreen);
case Kernel::ThreadStatus::Ready:
case Kernel::ThreadStatus::Paused:
return QColor(Qt::GlobalColor::darkBlue);
case Kernel::ThreadStatus::WaitHLEEvent:
case Kernel::ThreadStatus::WaitIPC: