Thread: Fix WaitSynchronization1 to not set register 1 on thread wakeup.
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4255f25647
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68ddaaa2f5
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@ -205,25 +205,24 @@ static Thread* NextThread() {
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void WaitCurrentThread_Sleep() {
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Thread* thread = GetCurrentThread();
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thread->wait_all = false;
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thread->wait_address = 0;
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thread->wait_objects.clear();
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ChangeThreadState(thread, ThreadStatus(THREADSTATUS_WAIT | (thread->status & THREADSTATUS_SUSPEND)));
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}
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void WaitCurrentThread_WaitSynchronization(SharedPtr<WaitObject> wait_object, bool wait_all) {
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void WaitCurrentThread_WaitSynchronization(SharedPtr<WaitObject> wait_object, bool wait_set_output, bool wait_all) {
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Thread* thread = GetCurrentThread();
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thread->wait_set_output = wait_set_output;
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thread->wait_all = wait_all;
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thread->wait_address = 0;
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thread->wait_objects.push_back(wait_object);
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// It's possible to call WaitSynchronizationN without any objects passed in...
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if (wait_object != nullptr)
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thread->wait_objects.push_back(wait_object);
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ChangeThreadState(thread, ThreadStatus(THREADSTATUS_WAIT | (thread->status & THREADSTATUS_SUSPEND)));
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}
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void WaitCurrentThread_ArbitrateAddress(VAddr wait_address) {
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Thread* thread = GetCurrentThread();
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thread->wait_all = false;
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thread->wait_address = wait_address;
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thread->wait_objects.clear();
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ChangeThreadState(thread, ThreadStatus(THREADSTATUS_WAIT | (thread->status & THREADSTATUS_SUSPEND)));
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}
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@ -239,8 +238,11 @@ static void ThreadWakeupCallback(u64 parameter, int cycles_late) {
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return;
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}
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thread->SetReturnValue(ResultCode(ErrorDescription::Timeout, ErrorModule::OS,
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ErrorSummary::StatusChanged, ErrorLevel::Info), -1);
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thread->SetWaitSynchronizationResult(ResultCode(ErrorDescription::Timeout, ErrorModule::OS,
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ErrorSummary::StatusChanged, ErrorLevel::Info));
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if (thread->wait_set_output)
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thread->SetWaitSynchronizationOutput(-1);
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thread->ResumeFromWait();
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}
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@ -282,12 +284,18 @@ void Thread::ReleaseWaitObject(WaitObject* wait_object) {
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if (wait_all) {
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// Resume the thread only if all are available...
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if (!wait_all_failed) {
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SetReturnValue(RESULT_SUCCESS, -1);
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SetWaitSynchronizationResult(RESULT_SUCCESS);
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SetWaitSynchronizationOutput(-1);
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ResumeFromWait();
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}
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} else {
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// Otherwise, resume
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SetReturnValue(RESULT_SUCCESS, index);
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SetWaitSynchronizationResult(RESULT_SUCCESS);
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if (wait_set_output)
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SetWaitSynchronizationOutput(index);
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ResumeFromWait();
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}
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}
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@ -303,6 +311,7 @@ void Thread::ResumeFromWait() {
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wait_object->RemoveWaitingThread(this);
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wait_objects.clear();
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wait_set_output = false;
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wait_all = false;
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wait_address = 0;
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@ -371,6 +380,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
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thread->stack_size = stack_size;
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thread->initial_priority = thread->current_priority = priority;
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thread->processor_id = processor_id;
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thread->wait_set_output = false;
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thread->wait_all = false;
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thread->wait_objects.clear();
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thread->wait_address = 0;
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@ -462,9 +472,12 @@ void Reschedule() {
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}
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}
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void Thread::SetReturnValue(ResultCode return_val, s32 out_val) {
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context.cpu_registers[0] = return_val.raw;
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context.cpu_registers[1] = out_val;
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void Thread::SetWaitSynchronizationResult(ResultCode result) {
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context.cpu_registers[0] = result.raw;
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}
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void Thread::SetWaitSynchronizationOutput(s32 output) {
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context.cpu_registers[1] = output;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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@ -78,11 +78,16 @@ public:
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void ResumeFromWait();
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/**
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* Sets the output values after the thread awakens from WaitSynchronization
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* @param return_val Value returned
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* @param out_val Value to set to the output parameter
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* Sets the result after the thread awakens (from either WaitSynchronization SVC)
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* @param result Value to set to the returned result
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*/
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void SetReturnValue(ResultCode return_val, s32 out_val);
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void SetWaitSynchronizationResult(ResultCode result);
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/**
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* Sets the output parameter value after the thread awakens (from WaitSynchronizationN SVC only)
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* @param output Value to set to the output parameter
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*/
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void SetWaitSynchronizationOutput(s32 output);
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Core::ThreadContext context;
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@ -100,8 +105,9 @@ public:
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std::vector<SharedPtr<WaitObject>> wait_objects; ///< Objects that the thread is waiting on
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VAddr wait_address; ///< If waiting on an AddressArbiter, this is the arbitration address
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bool wait_all; ///< True if the thread is waiting on all objects before resuming
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VAddr wait_address; ///< If waiting on an AddressArbiter, this is the arbitration address
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bool wait_all; ///< True if the thread is waiting on all objects before resuming
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bool wait_set_output; ///< True if the output parameter should be set on thread wakeup
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std::string name;
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@ -134,9 +140,10 @@ void WaitCurrentThread_Sleep();
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/**
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* Waits the current thread from a WaitSynchronization call
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* @param wait_object Kernel object that we are waiting on
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* @param wait_set_output If true, set the output parameter on thread wakeup (for WaitSynchronizationN only)
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* @param wait_all If true, wait on all objects before resuming (for WaitSynchronizationN only)
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*/
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void WaitCurrentThread_WaitSynchronization(SharedPtr<WaitObject> wait_object, bool wait_all = false);
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void WaitCurrentThread_WaitSynchronization(SharedPtr<WaitObject> wait_object, bool wait_set_output, bool wait_all);
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/**
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* Waits the current thread from an ArbitrateAddress call
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@ -126,7 +126,7 @@ static Result WaitSynchronization1(Handle handle, s64 nano_seconds) {
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if (object->ShouldWait()) {
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object->AddWaitingThread(Kernel::GetCurrentThread());
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Kernel::WaitCurrentThread_WaitSynchronization(object);
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Kernel::WaitCurrentThread_WaitSynchronization(object, false, false);
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// Create an event to wake the thread up after the specified nanosecond delay has passed
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Kernel::WakeThreadAfterDelay(Kernel::GetCurrentThread(), nano_seconds);
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@ -187,7 +187,7 @@ static Result WaitSynchronizationN(s32* out, Handle* handles, s32 handle_count,
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// NOTE: This should deadlock the current thread if no timeout was specified
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if (!wait_all) {
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wait_thread = true;
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Kernel::WaitCurrentThread_Sleep();
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Kernel::WaitCurrentThread_WaitSynchronization(nullptr, true, wait_all);
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}
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}
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@ -198,7 +198,7 @@ static Result WaitSynchronizationN(s32* out, Handle* handles, s32 handle_count,
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for (int i = 0; i < handle_count; ++i) {
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auto object = Kernel::g_handle_table.GetWaitObject(handles[i]);
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object->AddWaitingThread(Kernel::GetCurrentThread());
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Kernel::WaitCurrentThread_WaitSynchronization(object, wait_all);
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Kernel::WaitCurrentThread_WaitSynchronization(object, true, wait_all);
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}
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// Create an event to wake the thread up after the specified nanosecond delay has passed
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