diff options
Diffstat (limited to 'src/core/hle/kernel/thread.cpp')
| -rw-r--r-- | src/core/hle/kernel/thread.cpp | 504 |
1 files changed, 272 insertions, 232 deletions
diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp index bc86a7c59..be1aed615 100644 --- a/src/core/hle/kernel/thread.cpp +++ b/src/core/hle/kernel/thread.cpp @@ -4,10 +4,10 @@ #include <algorithm> #include <list> -#include <map> #include <vector> #include "common/common.h" +#include "common/math_util.h" #include "common/thread_queue_list.h" #include "core/arm/arm_interface.h" @@ -22,133 +22,101 @@ namespace Kernel { -ResultVal<bool> Thread::WaitSynchronization() { - const bool wait = status != THREADSTATUS_DORMANT; - if (wait) { - Thread* thread = GetCurrentThread(); - if (std::find(waiting_threads.begin(), waiting_threads.end(), thread) == waiting_threads.end()) { - waiting_threads.push_back(thread); - } - WaitCurrentThread(WAITTYPE_THREADEND, this); - } +/// Event type for the thread wake up event +static int ThreadWakeupEventType = -1; + +bool Thread::ShouldWait() { + return status != THREADSTATUS_DEAD; +} - return MakeResult<bool>(wait); +void Thread::Acquire() { + ASSERT_MSG(!ShouldWait(), "object unavailable!"); } // Lists all thread ids that aren't deleted/etc. static std::vector<SharedPtr<Thread>> thread_list; // Lists only ready thread ids. -static Common::ThreadQueueList<Thread*, THREADPRIO_LOWEST+1> thread_ready_queue; +static Common::ThreadQueueList<Thread*, THREADPRIO_LOWEST+1> ready_queue; static Thread* current_thread; -static const u32 INITIAL_THREAD_ID = 1; ///< The first available thread id at startup -static u32 next_thread_id; ///< The next available thread id +// The first available thread id at startup +static u32 next_thread_id = 1; -Thread* GetCurrentThread() { - return current_thread; +/** + * Creates a new thread ID + * @return The new thread ID + */ +inline static u32 const NewThreadId() { + return next_thread_id++; } -/// Resets a thread -static void ResetThread(Thread* t, u32 arg, s32 lowest_priority) { - memset(&t->context, 0, sizeof(Core::ThreadContext)); - - t->context.cpu_registers[0] = arg; - t->context.pc = t->context.reg_15 = t->entry_point; - t->context.sp = t->stack_top; - t->context.cpsr = 0x1F; // Usermode +Thread::Thread() {} +Thread::~Thread() {} - // TODO(bunnei): This instructs the CPU core to start the execution as if it is "resuming" a - // thread. This is somewhat Sky-Eye specific, and should be re-architected in the future to be - // agnostic of the CPU core. - t->context.mode = 8; - - if (t->current_priority < lowest_priority) { - t->current_priority = t->initial_priority; - } - t->wait_type = WAITTYPE_NONE; - t->wait_object = nullptr; - t->wait_address = 0; -} - -/// Change a thread to "ready" state -static void ChangeReadyState(Thread* t, bool ready) { - if (t->IsReady()) { - if (!ready) { - thread_ready_queue.remove(t->current_priority, t); - } - } else if (ready) { - if (t->IsRunning()) { - thread_ready_queue.push_front(t->current_priority, t); - } else { - thread_ready_queue.push_back(t->current_priority, t); - } - t->status = THREADSTATUS_READY; - } -} - -/// Check if a thread is blocking on a specified wait type -static bool CheckWaitType(const Thread* thread, WaitType type) { - return (type == thread->wait_type) && (thread->IsWaiting()); +Thread* GetCurrentThread() { + return current_thread; } -/// Check if a thread is blocking on a specified wait type with a specified handle -static bool CheckWaitType(const Thread* thread, WaitType type, Object* wait_object) { - return CheckWaitType(thread, type) && wait_object == thread->wait_object; +/** + * Check if a thread is waiting on the specified wait object + * @param thread The thread to test + * @param wait_object The object to test against + * @return True if the thread is waiting, false otherwise + */ +static bool CheckWait_WaitObject(const Thread* thread, WaitObject* wait_object) { + if (thread->status != THREADSTATUS_WAIT_SYNCH) + return false; + + auto itr = std::find(thread->wait_objects.begin(), thread->wait_objects.end(), wait_object); + return itr != thread->wait_objects.end(); } -/// Check if a thread is blocking on a specified wait type with a specified handle and address -static bool CheckWaitType(const Thread* thread, WaitType type, Object* wait_object, VAddr wait_address) { - return CheckWaitType(thread, type, wait_object) && (wait_address == thread->wait_address); +/** + * Check if the specified thread is waiting on the specified address to be arbitrated + * @param thread The thread to test + * @param wait_address The address to test against + * @return True if the thread is waiting, false otherwise + */ +static bool CheckWait_AddressArbiter(const Thread* thread, VAddr wait_address) { + return thread->status == THREADSTATUS_WAIT_ARB && wait_address == thread->wait_address; } -/// Stops the current thread -void Thread::Stop(const char* reason) { +void Thread::Stop() { // Release all the mutexes that this thread holds - ReleaseThreadMutexes(GetHandle()); + ReleaseThreadMutexes(this); - ChangeReadyState(this, false); - status = THREADSTATUS_DORMANT; - for (auto& waiting_thread : waiting_threads) { - if (CheckWaitType(waiting_thread.get(), WAITTYPE_THREADEND, this)) - waiting_thread->ResumeFromWait(); - } - waiting_threads.clear(); - - // Stopped threads are never waiting. - wait_type = WAITTYPE_NONE; - wait_object = nullptr; - wait_address = 0; -} + // Cancel any outstanding wakeup events for this thread + CoreTiming::UnscheduleEvent(ThreadWakeupEventType, callback_handle); -/// Changes a threads state -static void ChangeThreadState(Thread* t, ThreadStatus new_status) { - if (!t || t->status == new_status) { - return; + // Clean up thread from ready queue + // This is only needed when the thread is termintated forcefully (SVC TerminateProcess) + if (status == THREADSTATUS_READY){ + ready_queue.remove(current_priority, this); } - ChangeReadyState(t, (new_status & THREADSTATUS_READY) != 0); - t->status = new_status; - if (new_status == THREADSTATUS_WAIT) { - if (t->wait_type == WAITTYPE_NONE) { - LOG_ERROR(Kernel, "Waittype none not allowed"); - } + status = THREADSTATUS_DEAD; + + WakeupAllWaitingThreads(); + + // Clean up any dangling references in objects that this thread was waiting for + for (auto& wait_object : wait_objects) { + wait_object->RemoveWaitingThread(this); } } -/// Arbitrate the highest priority thread that is waiting -Thread* ArbitrateHighestPriorityThread(Object* arbiter, u32 address) { +Thread* ArbitrateHighestPriorityThread(u32 address) { Thread* highest_priority_thread = nullptr; s32 priority = THREADPRIO_LOWEST; // Iterate through threads, find highest priority thread that is waiting to be arbitrated... for (auto& thread : thread_list) { - if (!CheckWaitType(thread.get(), WAITTYPE_ARB, arbiter, address)) + if (!CheckWait_AddressArbiter(thread.get(), address)) continue; if (thread == nullptr) - continue; // TODO(yuriks): Thread handle will hang around forever. Should clean up. + continue; if(thread->current_priority <= priority) { highest_priority_thread = thread.get(); @@ -164,142 +132,215 @@ Thread* ArbitrateHighestPriorityThread(Object* arbiter, u32 address) { return highest_priority_thread; } -/// Arbitrate all threads currently waiting -void ArbitrateAllThreads(Object* arbiter, u32 address) { - - // Iterate through threads, find highest priority thread that is waiting to be arbitrated... +void ArbitrateAllThreads(u32 address) { + // Resume all threads found to be waiting on the address for (auto& thread : thread_list) { - if (CheckWaitType(thread.get(), WAITTYPE_ARB, arbiter, address)) + if (CheckWait_AddressArbiter(thread.get(), address)) thread->ResumeFromWait(); } } -/// Calls a thread by marking it as "ready" (note: will not actually execute until current thread yields) -static void CallThread(Thread* t) { - // Stop waiting - if (t->wait_type != WAITTYPE_NONE) { - t->wait_type = WAITTYPE_NONE; - } - ChangeThreadState(t, THREADSTATUS_READY); -} +/** + * Switches the CPU's active thread context to that of the specified thread + * @param new_thread The thread to switch to + */ +static void SwitchContext(Thread* new_thread) { + DEBUG_ASSERT_MSG(new_thread->status == THREADSTATUS_READY, "Thread must be ready to become running."); -/// Switches CPU context to that of the specified thread -static void SwitchContext(Thread* t) { - Thread* cur = GetCurrentThread(); + Thread* previous_thread = GetCurrentThread(); - // Save context for current thread - if (cur) { - Core::g_app_core->SaveContext(cur->context); + // Save context for previous thread + if (previous_thread) { + Core::g_app_core->SaveContext(previous_thread->context); - if (cur->IsRunning()) { - ChangeReadyState(cur, true); + if (previous_thread->status == THREADSTATUS_RUNNING) { + // This is only the case when a reschedule is triggered without the current thread + // yielding execution (i.e. an event triggered, system core time-sliced, etc) + ready_queue.push_front(previous_thread->current_priority, previous_thread); + previous_thread->status = THREADSTATUS_READY; } } + // Load context of new thread - if (t) { - current_thread = t; - ChangeReadyState(t, false); - t->status = (t->status | THREADSTATUS_RUNNING) & ~THREADSTATUS_READY; - t->wait_type = WAITTYPE_NONE; - Core::g_app_core->LoadContext(t->context); + if (new_thread) { + current_thread = new_thread; + + ready_queue.remove(new_thread->current_priority, new_thread); + new_thread->status = THREADSTATUS_RUNNING; + + Core::g_app_core->LoadContext(new_thread->context); } else { current_thread = nullptr; } } -/// Gets the next thread that is ready to be run by priority -static Thread* NextThread() { +/** + * Pops and returns the next thread from the thread queue + * @return A pointer to the next ready thread + */ +static Thread* PopNextReadyThread() { Thread* next; - Thread* cur = GetCurrentThread(); + Thread* thread = GetCurrentThread(); - if (cur && cur->IsRunning()) { - next = thread_ready_queue.pop_first_better(cur->current_priority); + if (thread && thread->status == THREADSTATUS_RUNNING) { + // We have to do better than the current thread. + // This call returns null when that's not possible. + next = ready_queue.pop_first_better(thread->current_priority); } else { - next = thread_ready_queue.pop_first(); - } - if (next == 0) { - return nullptr; + next = ready_queue.pop_first(); } + return next; } -void WaitCurrentThread(WaitType wait_type, Object* wait_object) { +void WaitCurrentThread_Sleep() { Thread* thread = GetCurrentThread(); - thread->wait_type = wait_type; - thread->wait_object = wait_object; - ChangeThreadState(thread, ThreadStatus(THREADSTATUS_WAIT | (thread->status & THREADSTATUS_SUSPEND))); + thread->status = THREADSTATUS_WAIT_SLEEP; } -void WaitCurrentThread(WaitType wait_type, Object* wait_object, VAddr wait_address) { - WaitCurrentThread(wait_type, wait_object); - GetCurrentThread()->wait_address = wait_address; +void WaitCurrentThread_WaitSynchronization(std::vector<SharedPtr<WaitObject>> wait_objects, bool wait_set_output, bool wait_all) { + Thread* thread = GetCurrentThread(); + thread->wait_set_output = wait_set_output; + thread->wait_all = wait_all; + thread->wait_objects = std::move(wait_objects); + thread->status = THREADSTATUS_WAIT_SYNCH; } -/// Event type for the thread wake up event -static int ThreadWakeupEventType = -1; +void WaitCurrentThread_ArbitrateAddress(VAddr wait_address) { + Thread* thread = GetCurrentThread(); + thread->wait_address = wait_address; + thread->status = THREADSTATUS_WAIT_ARB; +} -/// Callback that will wake up the thread it was scheduled for -static void ThreadWakeupCallback(u64 parameter, int cycles_late) { - Handle handle = static_cast<Handle>(parameter); - SharedPtr<Thread> thread = Kernel::g_handle_table.Get<Thread>(handle); +// TODO(yuriks): This can be removed if Thread objects are explicitly pooled in the future, allowing +// us to simply use a pool index or similar. +static Kernel::HandleTable wakeup_callback_handle_table; + +/** + * Callback that will wake up the thread it was scheduled for + * @param thread_handle The handle of the thread that's been awoken + * @param cycles_late The number of CPU cycles that have passed since the desired wakeup time + */ +static void ThreadWakeupCallback(u64 thread_handle, int cycles_late) { + SharedPtr<Thread> thread = wakeup_callback_handle_table.Get<Thread>((Handle)thread_handle); if (thread == nullptr) { - LOG_ERROR(Kernel, "Thread doesn't exist %u", handle); + LOG_CRITICAL(Kernel, "Callback fired for invalid thread %08X", (Handle)thread_handle); return; } + if (thread->status == THREADSTATUS_WAIT_SYNCH) { + thread->SetWaitSynchronizationResult(ResultCode(ErrorDescription::Timeout, ErrorModule::OS, + ErrorSummary::StatusChanged, ErrorLevel::Info)); + + if (thread->wait_set_output) + thread->SetWaitSynchronizationOutput(-1); + } + thread->ResumeFromWait(); } - -void WakeThreadAfterDelay(Thread* thread, s64 nanoseconds) { +void Thread::WakeAfterDelay(s64 nanoseconds) { // Don't schedule a wakeup if the thread wants to wait forever if (nanoseconds == -1) return; - _dbg_assert_(Kernel, thread != nullptr); u64 microseconds = nanoseconds / 1000; - CoreTiming::ScheduleEvent(usToCycles(microseconds), ThreadWakeupEventType, thread->GetHandle()); + CoreTiming::ScheduleEvent(usToCycles(microseconds), ThreadWakeupEventType, callback_handle); +} + +void Thread::ReleaseWaitObject(WaitObject* wait_object) { + if (status != THREADSTATUS_WAIT_SYNCH || wait_objects.empty()) { + LOG_CRITICAL(Kernel, "thread is not waiting on any objects!"); + return; + } + + // Remove this thread from the waiting object's thread list + wait_object->RemoveWaitingThread(this); + + unsigned index = 0; + bool wait_all_failed = false; // Will be set to true if any object is unavailable + + // Iterate through all waiting objects to check availability... + for (auto itr = wait_objects.begin(); itr != wait_objects.end(); ++itr) { + if ((*itr)->ShouldWait()) + wait_all_failed = true; + + // The output should be the last index of wait_object + if (*itr == wait_object) + index = itr - wait_objects.begin(); + } + + // If we are waiting on all objects... + if (wait_all) { + // Resume the thread only if all are available... + if (!wait_all_failed) { + SetWaitSynchronizationResult(RESULT_SUCCESS); + SetWaitSynchronizationOutput(-1); + + ResumeFromWait(); + } + } else { + // Otherwise, resume + SetWaitSynchronizationResult(RESULT_SUCCESS); + + if (wait_set_output) + SetWaitSynchronizationOutput(index); + + ResumeFromWait(); + } } -/// Resumes a thread from waiting by marking it as "ready" void Thread::ResumeFromWait() { - // Cancel any outstanding wakeup events - CoreTiming::UnscheduleEvent(ThreadWakeupEventType, GetHandle()); - - status &= ~THREADSTATUS_WAIT; - wait_object = nullptr; - wait_type = WAITTYPE_NONE; - if (!(status & (THREADSTATUS_WAITSUSPEND | THREADSTATUS_DORMANT | THREADSTATUS_DEAD))) { - ChangeReadyState(this, true); + // Cancel any outstanding wakeup events for this thread + CoreTiming::UnscheduleEvent(ThreadWakeupEventType, callback_handle); + + switch (status) { + case THREADSTATUS_WAIT_SYNCH: + // Remove this thread from all other WaitObjects + for (auto wait_object : wait_objects) + wait_object->RemoveWaitingThread(this); + break; + case THREADSTATUS_WAIT_ARB: + case THREADSTATUS_WAIT_SLEEP: + break; + case THREADSTATUS_RUNNING: + case THREADSTATUS_READY: + DEBUG_ASSERT_MSG(false, "Thread with object id %u has already resumed.", GetObjectId()); + return; + case THREADSTATUS_DEAD: + // This should never happen, as threads must complete before being stopped. + DEBUG_ASSERT_MSG(false, "Thread with object id %u cannot be resumed because it's DEAD.", + GetObjectId()); + return; } + + ready_queue.push_back(current_priority, this); + status = THREADSTATUS_READY; } -/// Prints the thread queue for debugging purposes +/** + * Prints the thread queue for debugging purposes + */ static void DebugThreadQueue() { Thread* thread = GetCurrentThread(); if (!thread) { - return; + LOG_DEBUG(Kernel, "Current: NO CURRENT THREAD"); + } else { + LOG_DEBUG(Kernel, "0x%02X %u (current)", thread->current_priority, GetCurrentThread()->GetObjectId()); } - LOG_DEBUG(Kernel, "0x%02X 0x%08X (current)", thread->current_priority, GetCurrentThread()->GetHandle()); + for (auto& t : thread_list) { - s32 priority = thread_ready_queue.contains(t.get()); + s32 priority = ready_queue.contains(t.get()); if (priority != -1) { - LOG_DEBUG(Kernel, "0x%02X 0x%08X", priority, t->GetHandle()); + LOG_DEBUG(Kernel, "0x%02X %u", priority, t->GetObjectId()); } } } ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point, s32 priority, - u32 arg, s32 processor_id, VAddr stack_top, u32 stack_size) { - if (stack_size < 0x200) { - LOG_ERROR(Kernel, "(name=%s): invalid stack_size=0x%08X", name.c_str(), stack_size); - // TODO: Verify error - return ResultCode(ErrorDescription::InvalidSize, ErrorModule::Kernel, - ErrorSummary::InvalidArgument, ErrorLevel::Permanent); - } - + u32 arg, s32 processor_id, VAddr stack_top) { if (priority < THREADPRIO_HIGHEST || priority > THREADPRIO_LOWEST) { - s32 new_priority = CLAMP(priority, THREADPRIO_HIGHEST, THREADPRIO_LOWEST); + s32 new_priority = MathUtil::Clamp<s32>(priority, THREADPRIO_HIGHEST, THREADPRIO_LOWEST); LOG_WARNING(Kernel_SVC, "(name=%s): invalid priority=%d, clamping to %d", name.c_str(), priority, new_priority); // TODO(bunnei): Clamping to a valid priority is not necessarily correct behavior... Confirm @@ -316,121 +357,120 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point, SharedPtr<Thread> thread(new Thread); - // TODO(yuriks): Thread requires a handle to be inserted into the various scheduling queues for - // the time being. Create a handle here, it will be copied to the handle field in - // the object and use by the rest of the code. This should be removed when other - // code doesn't rely on the handle anymore. - ResultVal<Handle> handle = Kernel::g_handle_table.Create(thread); - if (handle.Failed()) - return handle.Code(); - thread_list.push_back(thread); - thread_ready_queue.prepare(priority); + ready_queue.prepare(priority); - thread->thread_id = next_thread_id++; + thread->thread_id = NewThreadId(); thread->status = THREADSTATUS_DORMANT; thread->entry_point = entry_point; thread->stack_top = stack_top; - thread->stack_size = stack_size; thread->initial_priority = thread->current_priority = priority; thread->processor_id = processor_id; - thread->wait_type = WAITTYPE_NONE; - thread->wait_object = nullptr; + thread->wait_set_output = false; + thread->wait_all = false; + thread->wait_objects.clear(); thread->wait_address = 0; thread->name = std::move(name); + thread->callback_handle = wakeup_callback_handle_table.Create(thread).MoveFrom(); + + // TODO(peachum): move to ScheduleThread() when scheduler is added so selected core is used + // to initialize the context + Core::g_app_core->ResetContext(thread->context, stack_top, entry_point, arg); - ResetThread(thread.get(), arg, 0); - CallThread(thread.get()); + ready_queue.push_back(thread->current_priority, thread.get()); + thread->status = THREADSTATUS_READY; return MakeResult<SharedPtr<Thread>>(std::move(thread)); } -/// Set the priority of the thread specified by handle -void Thread::SetPriority(s32 priority) { - // If priority is invalid, clamp to valid range - if (priority < THREADPRIO_HIGHEST || priority > THREADPRIO_LOWEST) { - s32 new_priority = CLAMP(priority, THREADPRIO_HIGHEST, THREADPRIO_LOWEST); - LOG_WARNING(Kernel_SVC, "invalid priority=%d, clamping to %d", priority, new_priority); +// TODO(peachum): Remove this. Range checking should be done, and an appropriate error should be returned. +static void ClampPriority(const Thread* thread, s32* priority) { + if (*priority < THREADPRIO_HIGHEST || *priority > THREADPRIO_LOWEST) { + DEBUG_ASSERT_MSG(false, "Application passed an out of range priority. An error should be returned."); + + s32 new_priority = MathUtil::Clamp<s32>(*priority, THREADPRIO_HIGHEST, THREADPRIO_LOWEST); + LOG_WARNING(Kernel_SVC, "(name=%s): invalid priority=%d, clamping to %d", + thread->name.c_str(), *priority, new_priority); // TODO(bunnei): Clamping to a valid priority is not necessarily correct behavior... Confirm // validity of this - priority = new_priority; + *priority = new_priority; } +} - // Change thread priority - s32 old = current_priority; - thread_ready_queue.remove(old, this); - current_priority = priority; - thread_ready_queue.prepare(current_priority); +void Thread::SetPriority(s32 priority) { + ClampPriority(this, &priority); - // Change thread status to "ready" and push to ready queue - if (IsRunning()) { - status = (status & ~THREADSTATUS_RUNNING) | THREADSTATUS_READY; + if (current_priority == priority) { + return; } - if (IsReady()) { - thread_ready_queue.push_back(current_priority, this); + + if (status == THREADSTATUS_READY) { + // If thread was ready, adjust queues + ready_queue.remove(current_priority, this); + ready_queue.prepare(priority); + ready_queue.push_back(priority, this); } + + current_priority = priority; } -Handle SetupIdleThread() { +SharedPtr<Thread> SetupIdleThread() { // We need to pass a few valid values to get around parameter checking in Thread::Create. - auto thread_res = Thread::Create("idle", Memory::KERNEL_MEMORY_VADDR, THREADPRIO_LOWEST, 0, - THREADPROCESSORID_0, 0, Kernel::DEFAULT_STACK_SIZE); - _dbg_assert_(Kernel, thread_res.Succeeded()); - SharedPtr<Thread> thread = std::move(*thread_res); + auto thread = Thread::Create("idle", Memory::KERNEL_MEMORY_VADDR, THREADPRIO_LOWEST, 0, + THREADPROCESSORID_0, 0).MoveFrom(); thread->idle = true; - CallThread(thread.get()); - return thread->GetHandle(); + return thread; } -SharedPtr<Thread> SetupMainThread(s32 priority, u32 stack_size) { +SharedPtr<Thread> SetupMainThread(u32 stack_size, u32 entry_point, s32 priority) { + DEBUG_ASSERT(!GetCurrentThread()); + // Initialize new "main" thread - auto thread_res = Thread::Create("main", Core::g_app_core->GetPC(), priority, 0, - THREADPROCESSORID_0, Memory::SCRATCHPAD_VADDR_END, stack_size); - // TODO(yuriks): Propagate error - _dbg_assert_(Kernel, thread_res.Succeeded()); - SharedPtr<Thread> thread = std::move(*thread_res); - - // If running another thread already, set it to "ready" state - Thread* cur = GetCurrentThread(); - if (cur && cur->IsRunning()) { - ChangeReadyState(cur, true); - } + auto thread_res = Thread::Create("main", entry_point, priority, 0, + THREADPROCESSORID_0, Memory::SCRATCHPAD_VADDR_END); + + SharedPtr<Thread> thread = thread_res.MoveFrom(); // Run new "main" thread - current_thread = thread.get(); - thread->status = THREADSTATUS_RUNNING; - Core::g_app_core->LoadContext(thread->context); + SwitchContext(thread.get()); return thread; } - -/// Reschedules to the next available thread (call after current thread is suspended) void Reschedule() { Thread* prev = GetCurrentThread(); - Thread* next = NextThread(); + Thread* next = PopNextReadyThread(); HLE::g_reschedule = false; if (next != nullptr) { - LOG_TRACE(Kernel, "context switch 0x%08X -> 0x%08X", prev->GetHandle(), next->GetHandle()); + LOG_TRACE(Kernel, "context switch %u -> %u", prev->GetObjectId(), next->GetObjectId()); SwitchContext(next); } else { - LOG_TRACE(Kernel, "cannot context switch from 0x%08X, no higher priority thread!", prev->GetHandle()); + LOG_TRACE(Kernel, "cannot context switch from %u, no higher priority thread!", prev->GetObjectId()); for (auto& thread : thread_list) { - LOG_TRACE(Kernel, "\thandle=0x%08X prio=0x%02X, status=0x%08X wait_type=0x%08X wait_handle=0x%08X", - thread->GetHandle(), thread->current_priority, thread->status, thread->wait_type, - (thread->wait_object ? thread->wait_object->GetHandle() : INVALID_HANDLE)); + LOG_TRACE(Kernel, "\tid=%u prio=0x%02X, status=0x%08X", thread->GetObjectId(), + thread->current_priority, thread->status); } } } +void Thread::SetWaitSynchronizationResult(ResultCode result) { + context.cpu_registers[0] = result.raw; +} + +void Thread::SetWaitSynchronizationOutput(s32 output) { + context.cpu_registers[1] = output; +} + //////////////////////////////////////////////////////////////////////////////////////////////////// void ThreadingInit() { - next_thread_id = INITIAL_THREAD_ID; ThreadWakeupEventType = CoreTiming::RegisterEvent("ThreadWakeupCallback", ThreadWakeupCallback); + + // Setup the idle thread + SetupIdleThread(); } void ThreadingShutdown() { |