Thread: Reduce use of Handles and move some funcs to inside the class.
This commit is contained in:
parent
ba72208cd4
commit
9bf8462b96
11 changed files with 222 additions and 302 deletions
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@ -25,7 +25,7 @@ ARM_Interface* g_sys_core = nullptr; ///< ARM11 system (OS) core
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void RunLoop(int tight_loop) {
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void RunLoop(int tight_loop) {
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// If the current thread is an idle thread, then don't execute instructions,
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// If the current thread is an idle thread, then don't execute instructions,
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// instead advance to the next event and try to yield to the next thread
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// instead advance to the next event and try to yield to the next thread
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if (Kernel::IsIdleThread(Kernel::GetCurrentThreadHandle())) {
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if (Kernel::GetCurrentThread()->IsIdle()) {
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LOG_TRACE(Core_ARM11, "Idling");
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LOG_TRACE(Core_ARM11, "Idling");
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CoreTiming::Idle();
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CoreTiming::Idle();
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CoreTiming::Advance();
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CoreTiming::Advance();
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@ -30,24 +30,28 @@ public:
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/// Arbitrate an address
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/// Arbitrate an address
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ResultCode ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s32 value) {
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ResultCode ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s32 value) {
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Object* object = Kernel::g_handle_table.GetGeneric(handle);
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if (object == nullptr)
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return InvalidHandle(ErrorModule::Kernel);
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switch (type) {
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switch (type) {
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// Signal thread(s) waiting for arbitrate address...
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// Signal thread(s) waiting for arbitrate address...
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case ArbitrationType::Signal:
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case ArbitrationType::Signal:
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// Negative value means resume all threads
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// Negative value means resume all threads
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if (value < 0) {
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if (value < 0) {
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ArbitrateAllThreads(handle, address);
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ArbitrateAllThreads(object, address);
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} else {
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} else {
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// Resume first N threads
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// Resume first N threads
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for(int i = 0; i < value; i++)
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for(int i = 0; i < value; i++)
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ArbitrateHighestPriorityThread(handle, address);
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ArbitrateHighestPriorityThread(object, address);
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}
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}
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break;
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break;
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// Wait current thread (acquire the arbiter)...
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// Wait current thread (acquire the arbiter)...
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case ArbitrationType::WaitIfLessThan:
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case ArbitrationType::WaitIfLessThan:
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if ((s32)Memory::Read32(address) <= value) {
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if ((s32)Memory::Read32(address) <= value) {
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Kernel::WaitCurrentThread(WAITTYPE_ARB, handle, address);
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Kernel::WaitCurrentThread(WAITTYPE_ARB, object, address);
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HLE::Reschedule(__func__);
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HLE::Reschedule(__func__);
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}
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}
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break;
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break;
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@ -57,7 +61,7 @@ ResultCode ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s3
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s32 memory_value = Memory::Read32(address) - 1;
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s32 memory_value = Memory::Read32(address) - 1;
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Memory::Write32(address, memory_value);
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Memory::Write32(address, memory_value);
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if (memory_value <= value) {
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if (memory_value <= value) {
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Kernel::WaitCurrentThread(WAITTYPE_ARB, handle, address);
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Kernel::WaitCurrentThread(WAITTYPE_ARB, object, address);
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HLE::Reschedule(__func__);
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HLE::Reschedule(__func__);
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}
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}
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break;
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break;
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@ -33,11 +33,11 @@ public:
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ResultVal<bool> WaitSynchronization() override {
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ResultVal<bool> WaitSynchronization() override {
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bool wait = locked;
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bool wait = locked;
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if (locked) {
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if (locked) {
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Handle thread = GetCurrentThreadHandle();
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Handle thread = GetCurrentThread()->GetHandle();
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if (std::find(waiting_threads.begin(), waiting_threads.end(), thread) == waiting_threads.end()) {
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if (std::find(waiting_threads.begin(), waiting_threads.end(), thread) == waiting_threads.end()) {
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waiting_threads.push_back(thread);
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waiting_threads.push_back(thread);
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}
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}
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Kernel::WaitCurrentThread(WAITTYPE_EVENT, GetHandle());
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Kernel::WaitCurrentThread(WAITTYPE_EVENT, this);
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}
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}
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if (reset_type != RESETTYPE_STICKY && !permanent_locked) {
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if (reset_type != RESETTYPE_STICKY && !permanent_locked) {
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locked = true;
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locked = true;
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@ -88,7 +88,9 @@ ResultCode SignalEvent(const Handle handle) {
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// Resume threads waiting for event to signal
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// Resume threads waiting for event to signal
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bool event_caught = false;
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bool event_caught = false;
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for (size_t i = 0; i < evt->waiting_threads.size(); ++i) {
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for (size_t i = 0; i < evt->waiting_threads.size(); ++i) {
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ResumeThreadFromWait( evt->waiting_threads[i]);
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Thread* thread = Kernel::g_handle_table.Get<Thread>(evt->waiting_threads[i]);
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if (thread != nullptr)
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thread->ResumeFromWait();
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// If any thread is signalled awake by this event, assume the event was "caught" and reset
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// If any thread is signalled awake by this event, assume the event was "caught" and reset
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// the event. This will result in the next thread waiting on the event to block. Otherwise,
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// the event. This will result in the next thread waiting on the event to block. Otherwise,
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@ -14,7 +14,7 @@
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namespace Kernel {
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namespace Kernel {
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Handle g_main_thread = 0;
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Thread* g_main_thread = nullptr;
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HandleTable g_handle_table;
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HandleTable g_handle_table;
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u64 g_program_id = 0;
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u64 g_program_id = 0;
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@ -16,6 +16,8 @@ const Handle INVALID_HANDLE = 0;
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namespace Kernel {
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namespace Kernel {
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class Thread;
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// TODO: Verify code
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// TODO: Verify code
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const ResultCode ERR_OUT_OF_HANDLES(ErrorDescription::OutOfMemory, ErrorModule::Kernel,
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const ResultCode ERR_OUT_OF_HANDLES(ErrorDescription::OutOfMemory, ErrorModule::Kernel,
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ErrorSummary::OutOfResource, ErrorLevel::Temporary);
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ErrorSummary::OutOfResource, ErrorLevel::Temporary);
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@ -190,7 +192,7 @@ private:
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};
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};
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extern HandleTable g_handle_table;
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extern HandleTable g_handle_table;
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extern Handle g_main_thread;
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extern Thread* g_main_thread;
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/// The ID code of the currently running game
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/// The ID code of the currently running game
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/// TODO(Subv): This variable should not be here,
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/// TODO(Subv): This variable should not be here,
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@ -40,14 +40,21 @@ static MutexMap g_mutex_held_locks;
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* @param mutex Mutex that is to be acquired
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* @param mutex Mutex that is to be acquired
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* @param thread Thread that will acquired
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* @param thread Thread that will acquired
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*/
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*/
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void MutexAcquireLock(Mutex* mutex, Handle thread = GetCurrentThreadHandle()) {
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void MutexAcquireLock(Mutex* mutex, Handle thread = GetCurrentThread()->GetHandle()) {
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g_mutex_held_locks.insert(std::make_pair(thread, mutex->GetHandle()));
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g_mutex_held_locks.insert(std::make_pair(thread, mutex->GetHandle()));
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mutex->lock_thread = thread;
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mutex->lock_thread = thread;
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}
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}
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bool ReleaseMutexForThread(Mutex* mutex, Handle thread) {
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bool ReleaseMutexForThread(Mutex* mutex, Handle thread_handle) {
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MutexAcquireLock(mutex, thread);
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MutexAcquireLock(mutex, thread_handle);
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Kernel::ResumeThreadFromWait(thread);
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Thread* thread = Kernel::g_handle_table.Get<Thread>(thread_handle);
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if (thread == nullptr) {
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LOG_ERROR(Kernel, "Called with invalid handle: %08X", thread_handle);
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return false;
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}
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thread->ResumeFromWait();
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return true;
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return true;
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}
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}
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@ -168,8 +175,8 @@ Handle CreateMutex(bool initial_locked, const std::string& name) {
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ResultVal<bool> Mutex::WaitSynchronization() {
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ResultVal<bool> Mutex::WaitSynchronization() {
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bool wait = locked;
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bool wait = locked;
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if (locked) {
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if (locked) {
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waiting_threads.push_back(GetCurrentThreadHandle());
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waiting_threads.push_back(GetCurrentThread()->GetHandle());
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Kernel::WaitCurrentThread(WAITTYPE_MUTEX, GetHandle());
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Kernel::WaitCurrentThread(WAITTYPE_MUTEX, this);
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} else {
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} else {
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// Lock the mutex when the first thread accesses it
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// Lock the mutex when the first thread accesses it
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locked = true;
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locked = true;
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@ -37,8 +37,8 @@ public:
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bool wait = !IsAvailable();
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bool wait = !IsAvailable();
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if (wait) {
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if (wait) {
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Kernel::WaitCurrentThread(WAITTYPE_SEMA, GetHandle());
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Kernel::WaitCurrentThread(WAITTYPE_SEMA, this);
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waiting_threads.push(GetCurrentThreadHandle());
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waiting_threads.push(GetCurrentThread()->GetHandle());
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} else {
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} else {
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--available_count;
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--available_count;
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}
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}
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@ -84,7 +84,9 @@ ResultCode ReleaseSemaphore(s32* count, Handle handle, s32 release_count) {
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// Notify some of the threads that the semaphore has been released
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// Notify some of the threads that the semaphore has been released
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// stop once the semaphore is full again or there are no more waiting threads
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// stop once the semaphore is full again or there are no more waiting threads
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while (!semaphore->waiting_threads.empty() && semaphore->IsAvailable()) {
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while (!semaphore->waiting_threads.empty() && semaphore->IsAvailable()) {
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Kernel::ResumeThreadFromWait(semaphore->waiting_threads.front());
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Thread* thread = Kernel::g_handle_table.Get<Thread>(semaphore->waiting_threads.front());
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if (thread != nullptr)
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thread->ResumeFromWait();
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semaphore->waiting_threads.pop();
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semaphore->waiting_threads.pop();
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--semaphore->available_count;
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--semaphore->available_count;
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}
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}
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@ -25,23 +25,22 @@ namespace Kernel {
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ResultVal<bool> Thread::WaitSynchronization() {
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ResultVal<bool> Thread::WaitSynchronization() {
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const bool wait = status != THREADSTATUS_DORMANT;
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const bool wait = status != THREADSTATUS_DORMANT;
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if (wait) {
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if (wait) {
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Handle thread = GetCurrentThreadHandle();
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Thread* thread = GetCurrentThread();
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if (std::find(waiting_threads.begin(), waiting_threads.end(), thread) == waiting_threads.end()) {
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if (std::find(waiting_threads.begin(), waiting_threads.end(), thread) == waiting_threads.end()) {
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waiting_threads.push_back(thread);
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waiting_threads.push_back(thread);
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}
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}
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WaitCurrentThread(WAITTYPE_THREADEND, this->GetHandle());
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WaitCurrentThread(WAITTYPE_THREADEND, this);
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}
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}
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return MakeResult<bool>(wait);
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return MakeResult<bool>(wait);
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}
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}
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// Lists all thread ids that aren't deleted/etc.
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// Lists all thread ids that aren't deleted/etc.
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static std::vector<Handle> thread_queue;
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static std::vector<Thread*> thread_queue; // TODO(yuriks): Owned
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// Lists only ready thread ids.
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// Lists only ready thread ids.
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static Common::ThreadQueueList<Handle, THREADPRIO_LOWEST+1> thread_ready_queue;
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static Common::ThreadQueueList<Thread*, THREADPRIO_LOWEST+1> thread_ready_queue;
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static Handle current_thread_handle;
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static Thread* current_thread;
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static Thread* current_thread;
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static const u32 INITIAL_THREAD_ID = 1; ///< The first available thread id at startup
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static const u32 INITIAL_THREAD_ID = 1; ///< The first available thread id at startup
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@ -51,29 +50,8 @@ Thread* GetCurrentThread() {
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return current_thread;
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return current_thread;
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}
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}
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/// Gets the current thread handle
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Handle GetCurrentThreadHandle() {
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return GetCurrentThread()->GetHandle();
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}
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/// Sets the current thread
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inline void SetCurrentThread(Thread* t) {
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current_thread = t;
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current_thread_handle = t->GetHandle();
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}
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/// Saves the current CPU context
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void SaveContext(Core::ThreadContext& ctx) {
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Core::g_app_core->SaveContext(ctx);
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}
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/// Loads a CPU context
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void LoadContext(Core::ThreadContext& ctx) {
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Core::g_app_core->LoadContext(ctx);
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}
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/// Resets a thread
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/// Resets a thread
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void ResetThread(Thread* t, u32 arg, s32 lowest_priority) {
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static void ResetThread(Thread* t, u32 arg, s32 lowest_priority) {
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memset(&t->context, 0, sizeof(Core::ThreadContext));
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memset(&t->context, 0, sizeof(Core::ThreadContext));
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t->context.cpu_registers[0] = arg;
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t->context.cpu_registers[0] = arg;
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@ -90,22 +68,21 @@ void ResetThread(Thread* t, u32 arg, s32 lowest_priority) {
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t->current_priority = t->initial_priority;
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t->current_priority = t->initial_priority;
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}
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}
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t->wait_type = WAITTYPE_NONE;
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t->wait_type = WAITTYPE_NONE;
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t->wait_handle = 0;
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t->wait_object = nullptr;
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t->wait_address = 0;
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t->wait_address = 0;
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}
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}
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/// Change a thread to "ready" state
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/// Change a thread to "ready" state
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void ChangeReadyState(Thread* t, bool ready) {
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static void ChangeReadyState(Thread* t, bool ready) {
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Handle handle = t->GetHandle();
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if (t->IsReady()) {
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if (t->IsReady()) {
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if (!ready) {
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if (!ready) {
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thread_ready_queue.remove(t->current_priority, handle);
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thread_ready_queue.remove(t->current_priority, t);
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}
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}
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} else if (ready) {
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} else if (ready) {
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if (t->IsRunning()) {
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if (t->IsRunning()) {
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thread_ready_queue.push_front(t->current_priority, handle);
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thread_ready_queue.push_front(t->current_priority, t);
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} else {
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} else {
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thread_ready_queue.push_back(t->current_priority, handle);
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thread_ready_queue.push_back(t->current_priority, t);
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}
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}
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t->status = THREADSTATUS_READY;
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t->status = THREADSTATUS_READY;
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}
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}
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@ -117,43 +94,36 @@ static bool CheckWaitType(const Thread* thread, WaitType type) {
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}
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}
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/// Check if a thread is blocking on a specified wait type with a specified handle
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/// Check if a thread is blocking on a specified wait type with a specified handle
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static bool CheckWaitType(const Thread* thread, WaitType type, Handle wait_handle) {
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static bool CheckWaitType(const Thread* thread, WaitType type, Object* wait_object) {
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return CheckWaitType(thread, type) && (wait_handle == thread->wait_handle);
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return CheckWaitType(thread, type) && wait_object == thread->wait_object;
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}
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}
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/// Check if a thread is blocking on a specified wait type with a specified handle and address
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/// Check if a thread is blocking on a specified wait type with a specified handle and address
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static bool CheckWaitType(const Thread* thread, WaitType type, Handle wait_handle, VAddr wait_address) {
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static bool CheckWaitType(const Thread* thread, WaitType type, Object* wait_object, VAddr wait_address) {
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return CheckWaitType(thread, type, wait_handle) && (wait_address == thread->wait_address);
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return CheckWaitType(thread, type, wait_object) && (wait_address == thread->wait_address);
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}
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}
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/// Stops the current thread
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/// Stops the current thread
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ResultCode StopThread(Handle handle, const char* reason) {
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void Thread::Stop(const char* reason) {
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Thread* thread = g_handle_table.Get<Thread>(handle);
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if (thread == nullptr) return InvalidHandle(ErrorModule::Kernel);
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// Release all the mutexes that this thread holds
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// Release all the mutexes that this thread holds
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ReleaseThreadMutexes(handle);
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ReleaseThreadMutexes(GetHandle());
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ChangeReadyState(thread, false);
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ChangeReadyState(this, false);
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thread->status = THREADSTATUS_DORMANT;
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status = THREADSTATUS_DORMANT;
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for (Handle waiting_handle : thread->waiting_threads) {
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for (Thread* waiting_thread : waiting_threads) {
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Thread* waiting_thread = g_handle_table.Get<Thread>(waiting_handle);
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if (CheckWaitType(waiting_thread, WAITTYPE_THREADEND, this))
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waiting_thread->ResumeFromWait();
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if (CheckWaitType(waiting_thread, WAITTYPE_THREADEND, handle))
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ResumeThreadFromWait(waiting_handle);
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}
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}
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thread->waiting_threads.clear();
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waiting_threads.clear();
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// Stopped threads are never waiting.
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// Stopped threads are never waiting.
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thread->wait_type = WAITTYPE_NONE;
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wait_type = WAITTYPE_NONE;
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thread->wait_handle = 0;
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wait_object = nullptr;
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thread->wait_address = 0;
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wait_address = 0;
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return RESULT_SUCCESS;
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}
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}
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/// Changes a threads state
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/// Changes a threads state
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void ChangeThreadState(Thread* t, ThreadStatus new_status) {
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static void ChangeThreadState(Thread* t, ThreadStatus new_status) {
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if (!t || t->status == new_status) {
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if (!t || t->status == new_status) {
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return;
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return;
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}
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}
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@ -168,14 +138,12 @@ void ChangeThreadState(Thread* t, ThreadStatus new_status) {
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}
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}
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/// Arbitrate the highest priority thread that is waiting
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/// Arbitrate the highest priority thread that is waiting
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Handle ArbitrateHighestPriorityThread(u32 arbiter, u32 address) {
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Thread* ArbitrateHighestPriorityThread(Object* arbiter, u32 address) {
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Handle highest_priority_thread = 0;
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Thread* highest_priority_thread = nullptr;
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s32 priority = THREADPRIO_LOWEST;
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s32 priority = THREADPRIO_LOWEST;
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// Iterate through threads, find highest priority thread that is waiting to be arbitrated...
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// Iterate through threads, find highest priority thread that is waiting to be arbitrated...
|
||||||
for (Handle handle : thread_queue) {
|
for (Thread* thread : thread_queue) {
|
||||||
Thread* thread = g_handle_table.Get<Thread>(handle);
|
|
||||||
|
|
||||||
if (!CheckWaitType(thread, WAITTYPE_ARB, arbiter, address))
|
if (!CheckWaitType(thread, WAITTYPE_ARB, arbiter, address))
|
||||||
continue;
|
continue;
|
||||||
|
|
||||||
|
@ -183,31 +151,31 @@ Handle ArbitrateHighestPriorityThread(u32 arbiter, u32 address) {
|
||||||
continue; // TODO(yuriks): Thread handle will hang around forever. Should clean up.
|
continue; // TODO(yuriks): Thread handle will hang around forever. Should clean up.
|
||||||
|
|
||||||
if(thread->current_priority <= priority) {
|
if(thread->current_priority <= priority) {
|
||||||
highest_priority_thread = handle;
|
highest_priority_thread = thread;
|
||||||
priority = thread->current_priority;
|
priority = thread->current_priority;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// If a thread was arbitrated, resume it
|
// If a thread was arbitrated, resume it
|
||||||
if (0 != highest_priority_thread)
|
if (nullptr != highest_priority_thread) {
|
||||||
ResumeThreadFromWait(highest_priority_thread);
|
highest_priority_thread->ResumeFromWait();
|
||||||
|
}
|
||||||
|
|
||||||
return highest_priority_thread;
|
return highest_priority_thread;
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Arbitrate all threads currently waiting
|
/// Arbitrate all threads currently waiting
|
||||||
void ArbitrateAllThreads(u32 arbiter, u32 address) {
|
void ArbitrateAllThreads(Object* arbiter, u32 address) {
|
||||||
|
|
||||||
// Iterate through threads, find highest priority thread that is waiting to be arbitrated...
|
// Iterate through threads, find highest priority thread that is waiting to be arbitrated...
|
||||||
for (Handle handle : thread_queue) {
|
for (Thread* thread : thread_queue) {
|
||||||
Thread* thread = g_handle_table.Get<Thread>(handle);
|
|
||||||
|
|
||||||
if (CheckWaitType(thread, WAITTYPE_ARB, arbiter, address))
|
if (CheckWaitType(thread, WAITTYPE_ARB, arbiter, address))
|
||||||
ResumeThreadFromWait(handle);
|
thread->ResumeFromWait();
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Calls a thread by marking it as "ready" (note: will not actually execute until current thread yields)
|
/// Calls a thread by marking it as "ready" (note: will not actually execute until current thread yields)
|
||||||
void CallThread(Thread* t) {
|
static void CallThread(Thread* t) {
|
||||||
// Stop waiting
|
// Stop waiting
|
||||||
if (t->wait_type != WAITTYPE_NONE) {
|
if (t->wait_type != WAITTYPE_NONE) {
|
||||||
t->wait_type = WAITTYPE_NONE;
|
t->wait_type = WAITTYPE_NONE;
|
||||||
|
@ -216,12 +184,12 @@ void CallThread(Thread* t) {
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Switches CPU context to that of the specified thread
|
/// Switches CPU context to that of the specified thread
|
||||||
void SwitchContext(Thread* t) {
|
static void SwitchContext(Thread* t) {
|
||||||
Thread* cur = GetCurrentThread();
|
Thread* cur = GetCurrentThread();
|
||||||
|
|
||||||
// Save context for current thread
|
// Save context for current thread
|
||||||
if (cur) {
|
if (cur) {
|
||||||
SaveContext(cur->context);
|
Core::g_app_core->SaveContext(cur->context);
|
||||||
|
|
||||||
if (cur->IsRunning()) {
|
if (cur->IsRunning()) {
|
||||||
ChangeReadyState(cur, true);
|
ChangeReadyState(cur, true);
|
||||||
|
@ -229,19 +197,19 @@ void SwitchContext(Thread* t) {
|
||||||
}
|
}
|
||||||
// Load context of new thread
|
// Load context of new thread
|
||||||
if (t) {
|
if (t) {
|
||||||
SetCurrentThread(t);
|
current_thread = t;
|
||||||
ChangeReadyState(t, false);
|
ChangeReadyState(t, false);
|
||||||
t->status = (t->status | THREADSTATUS_RUNNING) & ~THREADSTATUS_READY;
|
t->status = (t->status | THREADSTATUS_RUNNING) & ~THREADSTATUS_READY;
|
||||||
t->wait_type = WAITTYPE_NONE;
|
t->wait_type = WAITTYPE_NONE;
|
||||||
LoadContext(t->context);
|
Core::g_app_core->LoadContext(t->context);
|
||||||
} else {
|
} else {
|
||||||
SetCurrentThread(nullptr);
|
current_thread = nullptr;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Gets the next thread that is ready to be run by priority
|
/// Gets the next thread that is ready to be run by priority
|
||||||
Thread* NextThread() {
|
static Thread* NextThread() {
|
||||||
Handle next;
|
Thread* next;
|
||||||
Thread* cur = GetCurrentThread();
|
Thread* cur = GetCurrentThread();
|
||||||
|
|
||||||
if (cur && cur->IsRunning()) {
|
if (cur && cur->IsRunning()) {
|
||||||
|
@ -252,18 +220,18 @@ Thread* NextThread() {
|
||||||
if (next == 0) {
|
if (next == 0) {
|
||||||
return nullptr;
|
return nullptr;
|
||||||
}
|
}
|
||||||
return Kernel::g_handle_table.Get<Thread>(next);
|
return next;
|
||||||
}
|
}
|
||||||
|
|
||||||
void WaitCurrentThread(WaitType wait_type, Handle wait_handle) {
|
void WaitCurrentThread(WaitType wait_type, Object* wait_object) {
|
||||||
Thread* thread = GetCurrentThread();
|
Thread* thread = GetCurrentThread();
|
||||||
thread->wait_type = wait_type;
|
thread->wait_type = wait_type;
|
||||||
thread->wait_handle = wait_handle;
|
thread->wait_object = wait_object;
|
||||||
ChangeThreadState(thread, ThreadStatus(THREADSTATUS_WAIT | (thread->status & THREADSTATUS_SUSPEND)));
|
ChangeThreadState(thread, ThreadStatus(THREADSTATUS_WAIT | (thread->status & THREADSTATUS_SUSPEND)));
|
||||||
}
|
}
|
||||||
|
|
||||||
void WaitCurrentThread(WaitType wait_type, Handle wait_handle, VAddr wait_address) {
|
void WaitCurrentThread(WaitType wait_type, Object* wait_object, VAddr wait_address) {
|
||||||
WaitCurrentThread(wait_type, wait_handle);
|
WaitCurrentThread(wait_type, wait_object);
|
||||||
GetCurrentThread()->wait_address = wait_address;
|
GetCurrentThread()->wait_address = wait_address;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -279,67 +247,84 @@ static void ThreadWakeupCallback(u64 parameter, int cycles_late) {
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
Kernel::ResumeThreadFromWait(handle);
|
thread->ResumeFromWait();
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
void WakeThreadAfterDelay(Handle handle, s64 nanoseconds) {
|
void WakeThreadAfterDelay(Thread* thread, s64 nanoseconds) {
|
||||||
// Don't schedule a wakeup if the thread wants to wait forever
|
// Don't schedule a wakeup if the thread wants to wait forever
|
||||||
if (nanoseconds == -1)
|
if (nanoseconds == -1)
|
||||||
return;
|
return;
|
||||||
|
_dbg_assert_(Kernel, thread != nullptr);
|
||||||
Thread* thread = Kernel::g_handle_table.Get<Thread>(handle);
|
|
||||||
if (thread == nullptr) {
|
|
||||||
LOG_ERROR(Kernel, "Thread doesn't exist %u", handle);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
u64 microseconds = nanoseconds / 1000;
|
u64 microseconds = nanoseconds / 1000;
|
||||||
CoreTiming::ScheduleEvent(usToCycles(microseconds), ThreadWakeupEventType, handle);
|
CoreTiming::ScheduleEvent(usToCycles(microseconds), ThreadWakeupEventType, thread->GetHandle());
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Resumes a thread from waiting by marking it as "ready"
|
/// Resumes a thread from waiting by marking it as "ready"
|
||||||
void ResumeThreadFromWait(Handle handle) {
|
void Thread::ResumeFromWait() {
|
||||||
Thread* thread = Kernel::g_handle_table.Get<Thread>(handle);
|
status &= ~THREADSTATUS_WAIT;
|
||||||
if (thread) {
|
wait_object = nullptr;
|
||||||
thread->status &= ~THREADSTATUS_WAIT;
|
wait_type = WAITTYPE_NONE;
|
||||||
thread->wait_handle = 0;
|
if (!(status & (THREADSTATUS_WAITSUSPEND | THREADSTATUS_DORMANT | THREADSTATUS_DEAD))) {
|
||||||
thread->wait_type = WAITTYPE_NONE;
|
ChangeReadyState(this, true);
|
||||||
if (!(thread->status & (THREADSTATUS_WAITSUSPEND | THREADSTATUS_DORMANT | THREADSTATUS_DEAD))) {
|
|
||||||
ChangeReadyState(thread, true);
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Prints the thread queue for debugging purposes
|
/// Prints the thread queue for debugging purposes
|
||||||
void DebugThreadQueue() {
|
static void DebugThreadQueue() {
|
||||||
Thread* thread = GetCurrentThread();
|
Thread* thread = GetCurrentThread();
|
||||||
if (!thread) {
|
if (!thread) {
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
LOG_DEBUG(Kernel, "0x%02X 0x%08X (current)", thread->current_priority, GetCurrentThreadHandle());
|
LOG_DEBUG(Kernel, "0x%02X 0x%08X (current)", thread->current_priority, GetCurrentThread()->GetHandle());
|
||||||
for (u32 i = 0; i < thread_queue.size(); i++) {
|
for (Thread* t : thread_queue) {
|
||||||
Handle handle = thread_queue[i];
|
s32 priority = thread_ready_queue.contains(t);
|
||||||
s32 priority = thread_ready_queue.contains(handle);
|
|
||||||
if (priority != -1) {
|
if (priority != -1) {
|
||||||
LOG_DEBUG(Kernel, "0x%02X 0x%08X", priority, handle);
|
LOG_DEBUG(Kernel, "0x%02X 0x%08X", priority, t->GetHandle());
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Creates a new thread
|
ResultVal<Thread*> Thread::Create(const char* name, u32 entry_point, s32 priority, u32 arg,
|
||||||
Thread* CreateThread(Handle& handle, const char* name, u32 entry_point, s32 priority,
|
s32 processor_id, u32 stack_top, int stack_size) {
|
||||||
s32 processor_id, u32 stack_top, int stack_size) {
|
_dbg_assert_(Kernel, name != nullptr);
|
||||||
|
|
||||||
_assert_msg_(KERNEL, (priority >= THREADPRIO_HIGHEST && priority <= THREADPRIO_LOWEST),
|
if ((u32)stack_size < 0x200) {
|
||||||
"priority=%d, outside of allowable range!", priority)
|
LOG_ERROR(Kernel, "(name=%s): invalid stack_size=0x%08X", name, stack_size);
|
||||||
|
// TODO: Verify error
|
||||||
|
return ResultCode(ErrorDescription::InvalidSize, ErrorModule::Kernel,
|
||||||
|
ErrorSummary::InvalidArgument, ErrorLevel::Permanent);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (priority < THREADPRIO_HIGHEST || priority > THREADPRIO_LOWEST) {
|
||||||
|
s32 new_priority = CLAMP(priority, THREADPRIO_HIGHEST, THREADPRIO_LOWEST);
|
||||||
|
LOG_WARNING(Kernel_SVC, "(name=%s): invalid priority=%d, clamping to %d",
|
||||||
|
name, priority, new_priority);
|
||||||
|
// TODO(bunnei): Clamping to a valid priority is not necessarily correct behavior... Confirm
|
||||||
|
// validity of this
|
||||||
|
priority = new_priority;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!Memory::GetPointer(entry_point)) {
|
||||||
|
LOG_ERROR(Kernel_SVC, "(name=%s): invalid entry %08x", name, entry_point);
|
||||||
|
// TODO: Verify error
|
||||||
|
return ResultCode(ErrorDescription::InvalidAddress, ErrorModule::Kernel,
|
||||||
|
ErrorSummary::InvalidArgument, ErrorLevel::Permanent);
|
||||||
|
}
|
||||||
|
|
||||||
Thread* thread = new Thread;
|
Thread* thread = new Thread;
|
||||||
|
|
||||||
// TOOD(yuriks): Fix error reporting
|
// TODO(yuriks): Thread requires a handle to be inserted into the various scheduling queues for
|
||||||
handle = Kernel::g_handle_table.Create(thread).ValueOr(INVALID_HANDLE);
|
// 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);
|
||||||
|
// TODO(yuriks): Plug memory leak
|
||||||
|
if (handle.Failed())
|
||||||
|
return handle.Code();
|
||||||
|
|
||||||
thread_queue.push_back(handle);
|
thread_queue.push_back(thread);
|
||||||
thread_ready_queue.prepare(priority);
|
thread_ready_queue.prepare(priority);
|
||||||
|
|
||||||
thread->thread_id = next_thread_id++;
|
thread->thread_id = next_thread_id++;
|
||||||
|
@ -350,69 +335,18 @@ Thread* CreateThread(Handle& handle, const char* name, u32 entry_point, s32 prio
|
||||||
thread->initial_priority = thread->current_priority = priority;
|
thread->initial_priority = thread->current_priority = priority;
|
||||||
thread->processor_id = processor_id;
|
thread->processor_id = processor_id;
|
||||||
thread->wait_type = WAITTYPE_NONE;
|
thread->wait_type = WAITTYPE_NONE;
|
||||||
thread->wait_handle = 0;
|
thread->wait_object = nullptr;
|
||||||
thread->wait_address = 0;
|
thread->wait_address = 0;
|
||||||
thread->name = name;
|
thread->name = name;
|
||||||
|
|
||||||
return thread;
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Creates a new thread - wrapper for external user
|
|
||||||
Handle CreateThread(const char* name, u32 entry_point, s32 priority, u32 arg, s32 processor_id,
|
|
||||||
u32 stack_top, int stack_size) {
|
|
||||||
|
|
||||||
if (name == nullptr) {
|
|
||||||
LOG_ERROR(Kernel_SVC, "nullptr name");
|
|
||||||
return -1;
|
|
||||||
}
|
|
||||||
if ((u32)stack_size < 0x200) {
|
|
||||||
LOG_ERROR(Kernel_SVC, "(name=%s): invalid stack_size=0x%08X", name,
|
|
||||||
stack_size);
|
|
||||||
return -1;
|
|
||||||
}
|
|
||||||
if (priority < THREADPRIO_HIGHEST || priority > THREADPRIO_LOWEST) {
|
|
||||||
s32 new_priority = CLAMP(priority, THREADPRIO_HIGHEST, THREADPRIO_LOWEST);
|
|
||||||
LOG_WARNING(Kernel_SVC, "(name=%s): invalid priority=%d, clamping to %d",
|
|
||||||
name, priority, new_priority);
|
|
||||||
// TODO(bunnei): Clamping to a valid priority is not necessarily correct behavior... Confirm
|
|
||||||
// validity of this
|
|
||||||
priority = new_priority;
|
|
||||||
}
|
|
||||||
if (!Memory::GetPointer(entry_point)) {
|
|
||||||
LOG_ERROR(Kernel_SVC, "(name=%s): invalid entry %08x", name, entry_point);
|
|
||||||
return -1;
|
|
||||||
}
|
|
||||||
Handle handle;
|
|
||||||
Thread* thread = CreateThread(handle, name, entry_point, priority, processor_id, stack_top,
|
|
||||||
stack_size);
|
|
||||||
|
|
||||||
ResetThread(thread, arg, 0);
|
ResetThread(thread, arg, 0);
|
||||||
CallThread(thread);
|
CallThread(thread);
|
||||||
|
|
||||||
return handle;
|
return MakeResult<Thread*>(thread);
|
||||||
}
|
|
||||||
|
|
||||||
/// Get the priority of the thread specified by handle
|
|
||||||
ResultVal<u32> GetThreadPriority(const Handle handle) {
|
|
||||||
Thread* thread = g_handle_table.Get<Thread>(handle);
|
|
||||||
if (thread == nullptr) return InvalidHandle(ErrorModule::Kernel);
|
|
||||||
|
|
||||||
return MakeResult<u32>(thread->current_priority);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Set the priority of the thread specified by handle
|
/// Set the priority of the thread specified by handle
|
||||||
ResultCode SetThreadPriority(Handle handle, s32 priority) {
|
void Thread::SetPriority(s32 priority) {
|
||||||
Thread* thread = nullptr;
|
|
||||||
if (!handle) {
|
|
||||||
thread = GetCurrentThread(); // TODO(bunnei): Is this correct behavior?
|
|
||||||
} else {
|
|
||||||
thread = g_handle_table.Get<Thread>(handle);
|
|
||||||
if (thread == nullptr) {
|
|
||||||
return InvalidHandle(ErrorModule::Kernel);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
_assert_msg_(KERNEL, (thread != nullptr), "called, but thread is nullptr!");
|
|
||||||
|
|
||||||
// If priority is invalid, clamp to valid range
|
// If priority is invalid, clamp to valid range
|
||||||
if (priority < THREADPRIO_HIGHEST || priority > THREADPRIO_LOWEST) {
|
if (priority < THREADPRIO_HIGHEST || priority > THREADPRIO_LOWEST) {
|
||||||
s32 new_priority = CLAMP(priority, THREADPRIO_HIGHEST, THREADPRIO_LOWEST);
|
s32 new_priority = CLAMP(priority, THREADPRIO_HIGHEST, THREADPRIO_LOWEST);
|
||||||
|
@ -423,38 +357,39 @@ ResultCode SetThreadPriority(Handle handle, s32 priority) {
|
||||||
}
|
}
|
||||||
|
|
||||||
// Change thread priority
|
// Change thread priority
|
||||||
s32 old = thread->current_priority;
|
s32 old = current_priority;
|
||||||
thread_ready_queue.remove(old, handle);
|
thread_ready_queue.remove(old, this);
|
||||||
thread->current_priority = priority;
|
current_priority = priority;
|
||||||
thread_ready_queue.prepare(thread->current_priority);
|
thread_ready_queue.prepare(current_priority);
|
||||||
|
|
||||||
// Change thread status to "ready" and push to ready queue
|
// Change thread status to "ready" and push to ready queue
|
||||||
if (thread->IsRunning()) {
|
if (IsRunning()) {
|
||||||
thread->status = (thread->status & ~THREADSTATUS_RUNNING) | THREADSTATUS_READY;
|
status = (status & ~THREADSTATUS_RUNNING) | THREADSTATUS_READY;
|
||||||
}
|
}
|
||||||
if (thread->IsReady()) {
|
if (IsReady()) {
|
||||||
thread_ready_queue.push_back(thread->current_priority, handle);
|
thread_ready_queue.push_back(current_priority, this);
|
||||||
}
|
}
|
||||||
|
|
||||||
return RESULT_SUCCESS;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
Handle SetupIdleThread() {
|
Handle SetupIdleThread() {
|
||||||
Handle handle;
|
// We need to pass a few valid values to get around parameter checking in Thread::Create.
|
||||||
Thread* thread = CreateThread(handle, "idle", 0, THREADPRIO_LOWEST, THREADPROCESSORID_0, 0, 0);
|
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());
|
||||||
|
Thread* thread = *thread_res;
|
||||||
|
|
||||||
thread->idle = true;
|
thread->idle = true;
|
||||||
CallThread(thread);
|
CallThread(thread);
|
||||||
return handle;
|
return thread->GetHandle();
|
||||||
}
|
}
|
||||||
|
|
||||||
Handle SetupMainThread(s32 priority, int stack_size) {
|
Thread* SetupMainThread(s32 priority, int stack_size) {
|
||||||
Handle handle;
|
|
||||||
|
|
||||||
// Initialize new "main" thread
|
// Initialize new "main" thread
|
||||||
Thread* thread = CreateThread(handle, "main", Core::g_app_core->GetPC(), priority,
|
ResultVal<Thread*> thread_res = Thread::Create("main", Core::g_app_core->GetPC(), priority, 0,
|
||||||
THREADPROCESSORID_0, Memory::SCRATCHPAD_VADDR_END, stack_size);
|
THREADPROCESSORID_0, Memory::SCRATCHPAD_VADDR_END, stack_size);
|
||||||
|
// TODO(yuriks): Propagate error
|
||||||
ResetThread(thread, 0, 0);
|
_dbg_assert_(Kernel, thread_res.Succeeded());
|
||||||
|
Thread* thread = *thread_res;
|
||||||
|
|
||||||
// If running another thread already, set it to "ready" state
|
// If running another thread already, set it to "ready" state
|
||||||
Thread* cur = GetCurrentThread();
|
Thread* cur = GetCurrentThread();
|
||||||
|
@ -463,11 +398,11 @@ Handle SetupMainThread(s32 priority, int stack_size) {
|
||||||
}
|
}
|
||||||
|
|
||||||
// Run new "main" thread
|
// Run new "main" thread
|
||||||
SetCurrentThread(thread);
|
current_thread = thread;
|
||||||
thread->status = THREADSTATUS_RUNNING;
|
thread->status = THREADSTATUS_RUNNING;
|
||||||
LoadContext(thread->context);
|
Core::g_app_core->LoadContext(thread->context);
|
||||||
|
|
||||||
return handle;
|
return thread;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
@ -483,34 +418,13 @@ void Reschedule() {
|
||||||
} else {
|
} else {
|
||||||
LOG_TRACE(Kernel, "cannot context switch from 0x%08X, no higher priority thread!", prev->GetHandle());
|
LOG_TRACE(Kernel, "cannot context switch from 0x%08X, no higher priority thread!", prev->GetHandle());
|
||||||
|
|
||||||
for (Handle handle : thread_queue) {
|
for (Thread* thread : thread_queue) {
|
||||||
Thread* thread = g_handle_table.Get<Thread>(handle);
|
|
||||||
LOG_TRACE(Kernel, "\thandle=0x%08X prio=0x%02X, status=0x%08X wait_type=0x%08X wait_handle=0x%08X",
|
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_handle);
|
thread->GetHandle(), thread->current_priority, thread->status, thread->wait_type, thread->wait_object->GetHandle());
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
bool IsIdleThread(Handle handle) {
|
|
||||||
Thread* thread = g_handle_table.Get<Thread>(handle);
|
|
||||||
if (!thread) {
|
|
||||||
LOG_ERROR(Kernel, "Thread not found %u", handle);
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
return thread->IsIdle();
|
|
||||||
}
|
|
||||||
|
|
||||||
ResultCode GetThreadId(u32* thread_id, Handle handle) {
|
|
||||||
Thread* thread = g_handle_table.Get<Thread>(handle);
|
|
||||||
if (thread == nullptr)
|
|
||||||
return ResultCode(ErrorDescription::InvalidHandle, ErrorModule::OS,
|
|
||||||
ErrorSummary::WrongArgument, ErrorLevel::Permanent);
|
|
||||||
|
|
||||||
*thread_id = thread->thread_id;
|
|
||||||
|
|
||||||
return RESULT_SUCCESS;
|
|
||||||
}
|
|
||||||
|
|
||||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||||
|
|
||||||
void ThreadingInit() {
|
void ThreadingInit() {
|
||||||
|
|
|
@ -54,6 +54,9 @@ namespace Kernel {
|
||||||
|
|
||||||
class Thread : public Kernel::Object {
|
class Thread : public Kernel::Object {
|
||||||
public:
|
public:
|
||||||
|
static ResultVal<Thread*> Create(const char* name, u32 entry_point, s32 priority, u32 arg,
|
||||||
|
s32 processor_id, u32 stack_top, int stack_size = Kernel::DEFAULT_STACK_SIZE);
|
||||||
|
|
||||||
std::string GetName() const override { return name; }
|
std::string GetName() const override { return name; }
|
||||||
std::string GetTypeName() const override { return "Thread"; }
|
std::string GetTypeName() const override { return "Thread"; }
|
||||||
|
|
||||||
|
@ -69,6 +72,15 @@ public:
|
||||||
|
|
||||||
ResultVal<bool> WaitSynchronization() override;
|
ResultVal<bool> WaitSynchronization() override;
|
||||||
|
|
||||||
|
s32 GetPriority() const { return current_priority; }
|
||||||
|
void SetPriority(s32 priority);
|
||||||
|
|
||||||
|
u32 GetThreadId() const { return thread_id; }
|
||||||
|
|
||||||
|
void Stop(const char* reason);
|
||||||
|
/// Resumes a thread from waiting by marking it as "ready".
|
||||||
|
void ResumeFromWait();
|
||||||
|
|
||||||
Core::ThreadContext context;
|
Core::ThreadContext context;
|
||||||
|
|
||||||
u32 thread_id;
|
u32 thread_id;
|
||||||
|
@ -84,10 +96,10 @@ public:
|
||||||
s32 processor_id;
|
s32 processor_id;
|
||||||
|
|
||||||
WaitType wait_type;
|
WaitType wait_type;
|
||||||
Handle wait_handle;
|
Object* wait_object;
|
||||||
VAddr wait_address;
|
VAddr wait_address;
|
||||||
|
|
||||||
std::vector<Handle> waiting_threads;
|
std::vector<Thread*> waiting_threads; // TODO(yuriks): Owned
|
||||||
|
|
||||||
std::string name;
|
std::string name;
|
||||||
|
|
||||||
|
@ -95,79 +107,47 @@ public:
|
||||||
bool idle = false;
|
bool idle = false;
|
||||||
|
|
||||||
private:
|
private:
|
||||||
// TODO(yuriks) Temporary until the creation logic can be moved into a static function
|
|
||||||
friend Thread* CreateThread(Handle& handle, const char* name, u32 entry_point, s32 priority,
|
|
||||||
s32 processor_id, u32 stack_top, int stack_size);
|
|
||||||
|
|
||||||
Thread() = default;
|
Thread() = default;
|
||||||
};
|
};
|
||||||
|
|
||||||
/// Creates a new thread - wrapper for external user
|
|
||||||
Handle CreateThread(const char* name, u32 entry_point, s32 priority, u32 arg, s32 processor_id,
|
|
||||||
u32 stack_top, int stack_size=Kernel::DEFAULT_STACK_SIZE);
|
|
||||||
|
|
||||||
/// Sets up the primary application thread
|
/// Sets up the primary application thread
|
||||||
Handle SetupMainThread(s32 priority, int stack_size=Kernel::DEFAULT_STACK_SIZE);
|
Thread* SetupMainThread(s32 priority, int stack_size = Kernel::DEFAULT_STACK_SIZE);
|
||||||
|
|
||||||
/// Reschedules to the next available thread (call after current thread is suspended)
|
/// Reschedules to the next available thread (call after current thread is suspended)
|
||||||
void Reschedule();
|
void Reschedule();
|
||||||
|
|
||||||
/// Stops the current thread
|
|
||||||
ResultCode StopThread(Handle thread, const char* reason);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Retrieves the ID of the specified thread handle
|
|
||||||
* @param thread_id Will contain the output thread id
|
|
||||||
* @param handle Handle to the thread we want
|
|
||||||
* @return Whether the function was successful or not
|
|
||||||
*/
|
|
||||||
ResultCode GetThreadId(u32* thread_id, Handle handle);
|
|
||||||
|
|
||||||
/// Resumes a thread from waiting by marking it as "ready"
|
|
||||||
void ResumeThreadFromWait(Handle handle);
|
|
||||||
|
|
||||||
/// Arbitrate the highest priority thread that is waiting
|
/// Arbitrate the highest priority thread that is waiting
|
||||||
Handle ArbitrateHighestPriorityThread(u32 arbiter, u32 address);
|
Thread* ArbitrateHighestPriorityThread(Object* arbiter, u32 address);
|
||||||
|
|
||||||
/// Arbitrate all threads currently waiting...
|
/// Arbitrate all threads currently waiting...
|
||||||
void ArbitrateAllThreads(u32 arbiter, u32 address);
|
void ArbitrateAllThreads(Object* arbiter, u32 address);
|
||||||
|
|
||||||
/// Gets the current thread
|
/// Gets the current thread
|
||||||
Thread* GetCurrentThread();
|
Thread* GetCurrentThread();
|
||||||
|
|
||||||
/// Gets the current thread handle
|
|
||||||
Handle GetCurrentThreadHandle();
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Puts the current thread in the wait state for the given type
|
* Puts the current thread in the wait state for the given type
|
||||||
* @param wait_type Type of wait
|
* @param wait_type Type of wait
|
||||||
* @param wait_handle Handle of Kernel object that we are waiting on, defaults to current thread
|
* @param wait_object Kernel object that we are waiting on, defaults to current thread
|
||||||
*/
|
*/
|
||||||
void WaitCurrentThread(WaitType wait_type, Handle wait_handle=GetCurrentThreadHandle());
|
void WaitCurrentThread(WaitType wait_type, Object* wait_object = GetCurrentThread());
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Schedules an event to wake up the specified thread after the specified delay.
|
* Schedules an event to wake up the specified thread after the specified delay.
|
||||||
* @param handle The thread handle.
|
* @param handle The thread handle.
|
||||||
* @param nanoseconds The time this thread will be allowed to sleep for.
|
* @param nanoseconds The time this thread will be allowed to sleep for.
|
||||||
*/
|
*/
|
||||||
void WakeThreadAfterDelay(Handle handle, s64 nanoseconds);
|
void WakeThreadAfterDelay(Thread* thread, s64 nanoseconds);
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Puts the current thread in the wait state for the given type
|
* Puts the current thread in the wait state for the given type
|
||||||
* @param wait_type Type of wait
|
* @param wait_type Type of wait
|
||||||
* @param wait_handle Handle of Kernel object that we are waiting on, defaults to current thread
|
* @param wait_object Kernel object that we are waiting on
|
||||||
* @param wait_address Arbitration address used to resume from wait
|
* @param wait_address Arbitration address used to resume from wait
|
||||||
*/
|
*/
|
||||||
void WaitCurrentThread(WaitType wait_type, Handle wait_handle, VAddr wait_address);
|
void WaitCurrentThread(WaitType wait_type, Object* wait_object, VAddr wait_address);
|
||||||
|
|
||||||
/// Put current thread in a wait state - on WaitSynchronization
|
|
||||||
void WaitThread_Synchronization();
|
|
||||||
|
|
||||||
/// Get the priority of the thread specified by handle
|
|
||||||
ResultVal<u32> GetThreadPriority(const Handle handle);
|
|
||||||
|
|
||||||
/// Set the priority of the thread specified by handle
|
|
||||||
ResultCode SetThreadPriority(Handle handle, s32 priority);
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Sets up the idle thread, this is a thread that is intended to never execute instructions,
|
* Sets up the idle thread, this is a thread that is intended to never execute instructions,
|
||||||
|
@ -176,10 +156,6 @@ ResultCode SetThreadPriority(Handle handle, s32 priority);
|
||||||
* @returns The handle of the idle thread
|
* @returns The handle of the idle thread
|
||||||
*/
|
*/
|
||||||
Handle SetupIdleThread();
|
Handle SetupIdleThread();
|
||||||
|
|
||||||
/// Whether the current thread is an idle thread
|
|
||||||
bool IsIdleThread(Handle thread);
|
|
||||||
|
|
||||||
/// Initialize threading
|
/// Initialize threading
|
||||||
void ThreadingInit();
|
void ThreadingInit();
|
||||||
|
|
||||||
|
|
|
@ -33,8 +33,8 @@ public:
|
||||||
ResultVal<bool> WaitSynchronization() override {
|
ResultVal<bool> WaitSynchronization() override {
|
||||||
bool wait = !signaled;
|
bool wait = !signaled;
|
||||||
if (wait) {
|
if (wait) {
|
||||||
waiting_threads.insert(GetCurrentThreadHandle());
|
waiting_threads.insert(GetCurrentThread()->GetHandle());
|
||||||
Kernel::WaitCurrentThread(WAITTYPE_TIMER, GetHandle());
|
Kernel::WaitCurrentThread(WAITTYPE_TIMER, this);
|
||||||
}
|
}
|
||||||
return MakeResult<bool>(wait);
|
return MakeResult<bool>(wait);
|
||||||
}
|
}
|
||||||
|
@ -92,8 +92,10 @@ static void TimerCallback(u64 timer_handle, int cycles_late) {
|
||||||
timer->signaled = true;
|
timer->signaled = true;
|
||||||
|
|
||||||
// Resume all waiting threads
|
// Resume all waiting threads
|
||||||
for (Handle thread : timer->waiting_threads)
|
for (Handle thread_handle : timer->waiting_threads) {
|
||||||
ResumeThreadFromWait(thread);
|
if (Thread* thread = Kernel::g_handle_table.Get<Thread>(thread_handle))
|
||||||
|
thread->ResumeFromWait();
|
||||||
|
}
|
||||||
|
|
||||||
timer->waiting_threads.clear();
|
timer->waiting_threads.clear();
|
||||||
|
|
||||||
|
|
|
@ -231,41 +231,47 @@ static Result CreateThread(u32 priority, u32 entry_point, u32 arg, u32 stack_top
|
||||||
name = Common::StringFromFormat("unknown-%08x", entry_point);
|
name = Common::StringFromFormat("unknown-%08x", entry_point);
|
||||||
}
|
}
|
||||||
|
|
||||||
Handle thread = Kernel::CreateThread(name.c_str(), entry_point, priority, arg, processor_id,
|
ResultVal<Kernel::Thread*> thread_res = Kernel::Thread::Create(name.c_str(), entry_point, priority, arg,
|
||||||
stack_top);
|
processor_id, stack_top);
|
||||||
|
if (thread_res.Failed())
|
||||||
|
return thread_res.Code().raw;
|
||||||
|
Kernel::Thread* thread = *thread_res;
|
||||||
|
|
||||||
Core::g_app_core->SetReg(1, thread);
|
Core::g_app_core->SetReg(1, thread->GetHandle());
|
||||||
|
|
||||||
LOG_TRACE(Kernel_SVC, "called entrypoint=0x%08X (%s), arg=0x%08X, stacktop=0x%08X, "
|
LOG_TRACE(Kernel_SVC, "called entrypoint=0x%08X (%s), arg=0x%08X, stacktop=0x%08X, "
|
||||||
"threadpriority=0x%08X, processorid=0x%08X : created handle=0x%08X", entry_point,
|
"threadpriority=0x%08X, processorid=0x%08X : created handle=0x%08X", entry_point,
|
||||||
name.c_str(), arg, stack_top, priority, processor_id, thread);
|
name.c_str(), arg, stack_top, priority, processor_id, thread->GetHandle());
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Called when a thread exits
|
/// Called when a thread exits
|
||||||
static u32 ExitThread() {
|
static void ExitThread() {
|
||||||
Handle thread = Kernel::GetCurrentThreadHandle();
|
LOG_TRACE(Kernel_SVC, "called, pc=0x%08X", Core::g_app_core->GetPC());
|
||||||
|
|
||||||
LOG_TRACE(Kernel_SVC, "called, pc=0x%08X", Core::g_app_core->GetPC()); // PC = 0x0010545C
|
Kernel::GetCurrentThread()->Stop(__func__);
|
||||||
|
|
||||||
Kernel::StopThread(thread, __func__);
|
|
||||||
HLE::Reschedule(__func__);
|
HLE::Reschedule(__func__);
|
||||||
return 0;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Gets the priority for the specified thread
|
/// Gets the priority for the specified thread
|
||||||
static Result GetThreadPriority(s32* priority, Handle handle) {
|
static Result GetThreadPriority(s32* priority, Handle handle) {
|
||||||
ResultVal<u32> priority_result = Kernel::GetThreadPriority(handle);
|
const Kernel::Thread* thread = Kernel::g_handle_table.Get<Kernel::Thread>(handle);
|
||||||
if (priority_result.Succeeded()) {
|
if (thread == nullptr)
|
||||||
*priority = *priority_result;
|
return InvalidHandle(ErrorModule::Kernel).raw;
|
||||||
}
|
|
||||||
return priority_result.Code().raw;
|
*priority = thread->GetPriority();
|
||||||
|
return RESULT_SUCCESS.raw;
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Sets the priority for the specified thread
|
/// Sets the priority for the specified thread
|
||||||
static Result SetThreadPriority(Handle handle, s32 priority) {
|
static Result SetThreadPriority(Handle handle, s32 priority) {
|
||||||
return Kernel::SetThreadPriority(handle, priority).raw;
|
Kernel::Thread* thread = Kernel::g_handle_table.Get<Kernel::Thread>(handle);
|
||||||
|
if (thread == nullptr)
|
||||||
|
return InvalidHandle(ErrorModule::Kernel).raw;
|
||||||
|
|
||||||
|
thread->SetPriority(priority);
|
||||||
|
return RESULT_SUCCESS.raw;
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Create a mutex
|
/// Create a mutex
|
||||||
|
@ -286,8 +292,13 @@ static Result ReleaseMutex(Handle handle) {
|
||||||
/// Get the ID for the specified thread.
|
/// Get the ID for the specified thread.
|
||||||
static Result GetThreadId(u32* thread_id, Handle handle) {
|
static Result GetThreadId(u32* thread_id, Handle handle) {
|
||||||
LOG_TRACE(Kernel_SVC, "called thread=0x%08X", handle);
|
LOG_TRACE(Kernel_SVC, "called thread=0x%08X", handle);
|
||||||
ResultCode result = Kernel::GetThreadId(thread_id, handle);
|
|
||||||
return result.raw;
|
const Kernel::Thread* thread = Kernel::g_handle_table.Get<Kernel::Thread>(handle);
|
||||||
|
if (thread == nullptr)
|
||||||
|
return InvalidHandle(ErrorModule::Kernel).raw;
|
||||||
|
|
||||||
|
*thread_id = thread->GetThreadId();
|
||||||
|
return RESULT_SUCCESS.raw;
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Creates a semaphore
|
/// Creates a semaphore
|
||||||
|
@ -375,7 +386,7 @@ static void SleepThread(s64 nanoseconds) {
|
||||||
Kernel::WaitCurrentThread(WAITTYPE_SLEEP);
|
Kernel::WaitCurrentThread(WAITTYPE_SLEEP);
|
||||||
|
|
||||||
// Create an event to wake the thread up after the specified nanosecond delay has passed
|
// Create an event to wake the thread up after the specified nanosecond delay has passed
|
||||||
Kernel::WakeThreadAfterDelay(Kernel::GetCurrentThreadHandle(), nanoseconds);
|
Kernel::WakeThreadAfterDelay(Kernel::GetCurrentThread(), nanoseconds);
|
||||||
|
|
||||||
HLE::Reschedule(__func__);
|
HLE::Reschedule(__func__);
|
||||||
}
|
}
|
||||||
|
@ -407,7 +418,7 @@ const HLE::FunctionDef SVC_Table[] = {
|
||||||
{0x06, nullptr, "GetProcessIdealProcessor"},
|
{0x06, nullptr, "GetProcessIdealProcessor"},
|
||||||
{0x07, nullptr, "SetProcessIdealProcessor"},
|
{0x07, nullptr, "SetProcessIdealProcessor"},
|
||||||
{0x08, HLE::Wrap<CreateThread>, "CreateThread"},
|
{0x08, HLE::Wrap<CreateThread>, "CreateThread"},
|
||||||
{0x09, HLE::Wrap<ExitThread>, "ExitThread"},
|
{0x09, ExitThread, "ExitThread"},
|
||||||
{0x0A, HLE::Wrap<SleepThread>, "SleepThread"},
|
{0x0A, HLE::Wrap<SleepThread>, "SleepThread"},
|
||||||
{0x0B, HLE::Wrap<GetThreadPriority>, "GetThreadPriority"},
|
{0x0B, HLE::Wrap<GetThreadPriority>, "GetThreadPriority"},
|
||||||
{0x0C, HLE::Wrap<SetThreadPriority>, "SetThreadPriority"},
|
{0x0C, HLE::Wrap<SetThreadPriority>, "SetThreadPriority"},
|
||||||
|
|
Loading…
Reference in a new issue