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Thread: Fix WaitSynchronization1 to not set register 1 on thread wakeup.

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This commit is contained in:
bunnei 2015-01-20 20:53:52 -05:00
parent 4255f25647
commit 68ddaaa2f5
3 changed files with 45 additions and 25 deletions
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43
src/core/hle/kernel/thread.cpp
View File

@ -205,25 +205,24 @@ static Thread* NextThread() {
void WaitCurrentThread_Sleep() {
Thread* thread = GetCurrentThread();
thread->wait_all = false;
thread->wait_address = 0;
thread->wait_objects.clear();
ChangeThreadState(thread, ThreadStatus(THREADSTATUS_WAIT | (thread->status & THREADSTATUS_SUSPEND)));
}
void WaitCurrentThread_WaitSynchronization(SharedPtr<WaitObject> wait_object, bool wait_all) {
void WaitCurrentThread_WaitSynchronization(SharedPtr<WaitObject> wait_object, bool wait_set_output, bool wait_all) {
Thread* thread = GetCurrentThread();
thread->wait_set_output = wait_set_output;
thread->wait_all = wait_all;
thread->wait_address = 0;
thread->wait_objects.push_back(wait_object);
// It's possible to call WaitSynchronizationN without any objects passed in...
if (wait_object != nullptr)
thread->wait_objects.push_back(wait_object);
ChangeThreadState(thread, ThreadStatus(THREADSTATUS_WAIT | (thread->status & THREADSTATUS_SUSPEND)));
}
void WaitCurrentThread_ArbitrateAddress(VAddr wait_address) {
Thread* thread = GetCurrentThread();
thread->wait_all = false;
thread->wait_address = wait_address;
thread->wait_objects.clear();
ChangeThreadState(thread, ThreadStatus(THREADSTATUS_WAIT | (thread->status & THREADSTATUS_SUSPEND)));
}
@ -239,8 +238,11 @@ static void ThreadWakeupCallback(u64 parameter, int cycles_late) {
return;
}
thread->SetReturnValue(ResultCode(ErrorDescription::Timeout, ErrorModule::OS,
ErrorSummary::StatusChanged, ErrorLevel::Info), -1);
thread->SetWaitSynchronizationResult(ResultCode(ErrorDescription::Timeout, ErrorModule::OS,
ErrorSummary::StatusChanged, ErrorLevel::Info));
if (thread->wait_set_output)
thread->SetWaitSynchronizationOutput(-1);
thread->ResumeFromWait();
}
@ -282,12 +284,18 @@ void Thread::ReleaseWaitObject(WaitObject* wait_object) {
if (wait_all) {
// Resume the thread only if all are available...
if (!wait_all_failed) {
SetReturnValue(RESULT_SUCCESS, -1);
SetWaitSynchronizationResult(RESULT_SUCCESS);
SetWaitSynchronizationOutput(-1);
ResumeFromWait();
}
} else {
// Otherwise, resume
SetReturnValue(RESULT_SUCCESS, index);
SetWaitSynchronizationResult(RESULT_SUCCESS);
if (wait_set_output)
SetWaitSynchronizationOutput(index);
ResumeFromWait();
}
}
@ -303,6 +311,7 @@ void Thread::ResumeFromWait() {
wait_object->RemoveWaitingThread(this);
wait_objects.clear();
wait_set_output = false;
wait_all = false;
wait_address = 0;
@ -371,6 +380,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
thread->stack_size = stack_size;
thread->initial_priority = thread->current_priority = priority;
thread->processor_id = processor_id;
thread->wait_set_output = false;
thread->wait_all = false;
thread->wait_objects.clear();
thread->wait_address = 0;
@ -462,9 +472,12 @@ void Reschedule() {
}
}
void Thread::SetReturnValue(ResultCode return_val, s32 out_val) {
context.cpu_registers[0] = return_val.raw;
context.cpu_registers[1] = out_val;
void Thread::SetWaitSynchronizationResult(ResultCode result) {
context.cpu_registers[0] = result.raw;
}
void Thread::SetWaitSynchronizationOutput(s32 output) {
context.cpu_registers[1] = output;
}
////////////////////////////////////////////////////////////////////////////////////////////////////

21
src/core/hle/kernel/thread.h
View File

@ -78,11 +78,16 @@ public:
void ResumeFromWait();
/**
* Sets the output values after the thread awakens from WaitSynchronization
* @param return_val Value returned
* @param out_val Value to set to the output parameter
* Sets the result after the thread awakens (from either WaitSynchronization SVC)
* @param result Value to set to the returned result
*/
void SetReturnValue(ResultCode return_val, s32 out_val);
void SetWaitSynchronizationResult(ResultCode result);
/**
* Sets the output parameter value after the thread awakens (from WaitSynchronizationN SVC only)
* @param output Value to set to the output parameter
*/
void SetWaitSynchronizationOutput(s32 output);
Core::ThreadContext context;
@ -100,8 +105,9 @@ public:
std::vector<SharedPtr<WaitObject>> wait_objects; ///< Objects that the thread is waiting on
VAddr wait_address; ///< If waiting on an AddressArbiter, this is the arbitration address
bool wait_all; ///< True if the thread is waiting on all objects before resuming
VAddr wait_address; ///< If waiting on an AddressArbiter, this is the arbitration address
bool wait_all; ///< True if the thread is waiting on all objects before resuming
bool wait_set_output; ///< True if the output parameter should be set on thread wakeup
std::string name;
@ -134,9 +140,10 @@ void WaitCurrentThread_Sleep();
/**
* Waits the current thread from a WaitSynchronization call
* @param wait_object Kernel object that we are waiting on
* @param wait_set_output If true, set the output parameter on thread wakeup (for WaitSynchronizationN only)
* @param wait_all If true, wait on all objects before resuming (for WaitSynchronizationN only)
*/
void WaitCurrentThread_WaitSynchronization(SharedPtr<WaitObject> wait_object, bool wait_all = false);
void WaitCurrentThread_WaitSynchronization(SharedPtr<WaitObject> wait_object, bool wait_set_output, bool wait_all);
/**
* Waits the current thread from an ArbitrateAddress call

6
src/core/hle/svc.cpp
View File

@ -126,7 +126,7 @@ static Result WaitSynchronization1(Handle handle, s64 nano_seconds) {
if (object->ShouldWait()) {
object->AddWaitingThread(Kernel::GetCurrentThread());
Kernel::WaitCurrentThread_WaitSynchronization(object);
Kernel::WaitCurrentThread_WaitSynchronization(object, false, false);
// Create an event to wake the thread up after the specified nanosecond delay has passed
Kernel::WakeThreadAfterDelay(Kernel::GetCurrentThread(), nano_seconds);
@ -187,7 +187,7 @@ static Result WaitSynchronizationN(s32* out, Handle* handles, s32 handle_count,
// NOTE: This should deadlock the current thread if no timeout was specified
if (!wait_all) {
wait_thread = true;
Kernel::WaitCurrentThread_Sleep();
Kernel::WaitCurrentThread_WaitSynchronization(nullptr, true, wait_all);
}
}
@ -198,7 +198,7 @@ static Result WaitSynchronizationN(s32* out, Handle* handles, s32 handle_count,
for (int i = 0; i < handle_count; ++i) {
auto object = Kernel::g_handle_table.GetWaitObject(handles[i]);
object->AddWaitingThread(Kernel::GetCurrentThread());
Kernel::WaitCurrentThread_WaitSynchronization(object, wait_all);
Kernel::WaitCurrentThread_WaitSynchronization(object, true, wait_all);
}
// Create an event to wake the thread up after the specified nanosecond delay has passed