kernel: refactored function naming to remove "__" prefix
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@ -139,15 +139,20 @@ void Shutdown() {
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Kernel::ThreadingShutdown();
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}
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} // namespace
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bool __KernelLoadExec(u32 entry_point) {
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Kernel::Init();
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/**
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* Loads executable stored at specified address
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* @entry_point Entry point in memory of loaded executable
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* @return True on success, otherwise false
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*/
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bool LoadExec(u32 entry_point) {
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Init();
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Core::g_app_core->SetPC(entry_point);
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// 0x30 is the typical main thread priority I've seen used so far
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Handle thread_id = Kernel::SetupMainThread(0x30);
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Handle thread = Kernel::SetupMainThread(0x30);
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return true;
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}
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} // namespace
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@ -144,6 +144,11 @@ private:
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extern ObjectPool g_object_pool;
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} // namespace
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/**
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* Loads executable stored at specified address
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* @entry_point Entry point in memory of loaded executable
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* @return True on success, otherwise false
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*/
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bool LoadExec(u32 entry_point);
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bool __KernelLoadExec(u32 entry_point);
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} // namespace
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@ -30,17 +30,17 @@ public:
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typedef std::multimap<Handle, Handle> MutexMap;
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static MutexMap g_mutex_held_locks;
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void __MutexAcquireLock(Mutex* mutex, Handle thread) {
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void MutexAcquireLock(Mutex* mutex, Handle thread) {
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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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}
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void __MutexAcquireLock(Mutex* mutex) {
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Handle thread = GetCurrentThread();
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__MutexAcquireLock(mutex, thread);
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void MutexAcquireLock(Mutex* mutex) {
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Handle thread = GetCurrentThreadHandle();
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MutexAcquireLock(mutex, thread);
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}
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void __MutexEraseLock(Mutex* mutex) {
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void MutexEraseLock(Mutex* mutex) {
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Handle handle = mutex->GetHandle();
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auto locked = g_mutex_held_locks.equal_range(mutex->lock_thread);
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for (MutexMap::iterator iter = locked.first; iter != locked.second; ++iter) {
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@ -52,29 +52,29 @@ void __MutexEraseLock(Mutex* mutex) {
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mutex->lock_thread = -1;
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}
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bool __LockMutex(Mutex* mutex) {
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bool LockMutex(Mutex* mutex) {
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// Mutex alread locked?
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if (mutex->locked) {
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return false;
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}
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__MutexAcquireLock(mutex);
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MutexAcquireLock(mutex);
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return true;
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}
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bool __ReleaseMutexForThread(Mutex* mutex, Handle thread) {
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__MutexAcquireLock(mutex, thread);
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bool ReleaseMutexForThread(Mutex* mutex, Handle thread) {
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MutexAcquireLock(mutex, thread);
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Kernel::ResumeThreadFromWait(thread);
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return true;
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}
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bool __ReleaseMutex(Mutex* mutex) {
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__MutexEraseLock(mutex);
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bool ReleaseMutex(Mutex* mutex) {
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MutexEraseLock(mutex);
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bool woke_threads = false;
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auto iter = mutex->waiting_threads.begin();
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// Find the next waiting thread for the mutex...
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while (!woke_threads && !mutex->waiting_threads.empty()) {
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woke_threads |= __ReleaseMutexForThread(mutex, *iter);
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woke_threads |= ReleaseMutexForThread(mutex, *iter);
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mutex->waiting_threads.erase(iter);
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}
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// Reset mutex lock thread handle, nothing is waiting
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@ -91,7 +91,7 @@ bool __ReleaseMutex(Mutex* mutex) {
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*/
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Result ReleaseMutex(Handle handle) {
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Mutex* mutex = Kernel::g_object_pool.GetFast<Mutex>(handle);
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if (!__ReleaseMutex(mutex)) {
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if (!ReleaseMutex(mutex)) {
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return -1;
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}
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return 0;
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@ -110,7 +110,7 @@ Mutex* CreateMutex(Handle& handle, bool initial_locked) {
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// Acquire mutex with current thread if initialized as locked...
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if (mutex->locked) {
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__MutexAcquireLock(mutex);
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MutexAcquireLock(mutex);
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// Otherwise, reset lock thread handle
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} else {
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@ -64,28 +64,33 @@ Thread* g_current_thread;
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/// Gets the current thread
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inline Thread* __GetCurrentThread() {
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inline Thread* GetCurrentThread() {
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return g_current_thread;
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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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inline void SetCurrentThread(Thread* t) {
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g_current_thread = t;
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g_current_thread_handle = t->GetHandle();
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}
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/// Saves the current CPU context
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void __SaveContext(ThreadContext& ctx) {
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void SaveContext(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(ThreadContext& ctx) {
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void LoadContext(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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void __ResetThread(Thread* t, u32 arg, s32 lowest_priority) {
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void ResetThread(Thread* t, u32 arg, s32 lowest_priority) {
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memset(&t->context, 0, sizeof(ThreadContext));
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t->context.cpu_registers[0] = arg;
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@ -101,7 +106,7 @@ void __ResetThread(Thread* t, u32 arg, s32 lowest_priority) {
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}
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/// Change a thread to "ready" state
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void __ChangeReadyState(Thread* t, bool ready) {
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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 (!ready) {
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@ -118,11 +123,11 @@ void __ChangeReadyState(Thread* t, bool ready) {
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}
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/// Changes a threads state
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void __ChangeThreadState(Thread* t, ThreadStatus new_status) {
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void ChangeThreadState(Thread* t, ThreadStatus new_status) {
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if (!t || t->status == new_status) {
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return;
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}
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__ChangeReadyState(t, (new_status & THREADSTATUS_READY) != 0);
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ChangeReadyState(t, (new_status & THREADSTATUS_READY) != 0);
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t->status = new_status;
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if (new_status == THREADSTATUS_WAIT) {
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@ -133,42 +138,42 @@ void __ChangeThreadState(Thread* t, ThreadStatus new_status) {
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}
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/// Calls a thread by marking it as "ready" (note: will not actually execute until current thread yields)
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void __CallThread(Thread* t) {
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void CallThread(Thread* t) {
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// Stop waiting
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if (t->wait_type != WAITTYPE_NONE) {
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t->wait_type = WAITTYPE_NONE;
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}
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__ChangeThreadState(t, THREADSTATUS_READY);
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ChangeThreadState(t, THREADSTATUS_READY);
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}
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/// Switches CPU context to that of the specified thread
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void __SwitchContext(Thread* t, const char* reason) {
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Thread* cur = __GetCurrentThread();
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void SwitchContext(Thread* t, const char* reason) {
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Thread* cur = GetCurrentThread();
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// Save context for current thread
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if (cur) {
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__SaveContext(cur->context);
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SaveContext(cur->context);
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if (cur->IsRunning()) {
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__ChangeReadyState(cur, true);
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ChangeReadyState(cur, true);
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}
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}
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// Load context of new thread
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if (t) {
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__SetCurrentThread(t);
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__ChangeReadyState(t, false);
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SetCurrentThread(t);
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ChangeReadyState(t, false);
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t->status = (t->status | THREADSTATUS_RUNNING) & ~THREADSTATUS_READY;
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t->wait_type = WAITTYPE_NONE;
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__LoadContext(t->context);
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LoadContext(t->context);
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} else {
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__SetCurrentThread(NULL);
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SetCurrentThread(NULL);
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}
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}
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/// Gets the next thread that is ready to be run by priority
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Thread* __NextThread() {
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Thread* NextThread() {
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Handle next;
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Thread* cur = __GetCurrentThread();
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Thread* cur = GetCurrentThread();
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if (cur && cur->IsRunning()) {
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next = g_thread_ready_queue.pop_first_better(cur->current_priority);
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@ -183,9 +188,9 @@ Thread* __NextThread() {
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/// Puts a thread in the wait state for the given type/reason
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void WaitCurThread(WaitType wait_type, const char* reason) {
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Thread* t = __GetCurrentThread();
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Thread* t = GetCurrentThread();
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t->wait_type = wait_type;
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__ChangeThreadState(t, ThreadStatus(THREADSTATUS_WAIT | (t->status & THREADSTATUS_SUSPEND)));
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ChangeThreadState(t, ThreadStatus(THREADSTATUS_WAIT | (t->status & THREADSTATUS_SUSPEND)));
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}
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/// Resumes a thread from waiting by marking it as "ready"
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@ -195,7 +200,7 @@ void ResumeThreadFromWait(Handle handle) {
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if (t) {
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t->status &= ~THREADSTATUS_WAIT;
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if (!(t->status & (THREADSTATUS_WAITSUSPEND | THREADSTATUS_DORMANT | THREADSTATUS_DEAD))) {
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__ChangeReadyState(t, true);
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ChangeReadyState(t, true);
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}
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}
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}
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@ -256,7 +261,7 @@ Handle CreateThread(const char* name, u32 entry_point, s32 priority, u32 arg, s3
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Thread* t = CreateThread(handle, name, entry_point, priority, processor_id, stack_top,
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stack_size);
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__ResetThread(t, arg, 0);
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ResetThread(t, arg, 0);
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HLE::EatCycles(32000);
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@ -264,16 +269,11 @@ Handle CreateThread(const char* name, u32 entry_point, s32 priority, u32 arg, s3
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// Technically, this should not eat all at once, and reschedule in the middle, but that's hard.
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HLE::ReSchedule("thread created");
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__CallThread(t);
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CallThread(t);
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return handle;
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}
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/// Gets the current thread
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Handle GetCurrentThread() {
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return __GetCurrentThread()->GetHandle();
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}
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/// Sets up the primary application thread
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Handle SetupMainThread(s32 priority, int stack_size) {
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Handle handle;
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@ -282,33 +282,33 @@ Handle SetupMainThread(s32 priority, int stack_size) {
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Thread* t = CreateThread(handle, "main", Core::g_app_core->GetPC(), priority,
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THREADPROCESSORID_0, Memory::SCRATCHPAD_VADDR_END, stack_size);
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__ResetThread(t, 0, 0);
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ResetThread(t, 0, 0);
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// If running another thread already, set it to "ready" state
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Thread* cur = __GetCurrentThread();
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Thread* cur = GetCurrentThread();
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if (cur && cur->IsRunning()) {
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__ChangeReadyState(cur, true);
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ChangeReadyState(cur, true);
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}
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// Run new "main" thread
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__SetCurrentThread(t);
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SetCurrentThread(t);
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t->status = THREADSTATUS_RUNNING;
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__LoadContext(t->context);
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LoadContext(t->context);
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return handle;
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}
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/// Reschedules to the next available thread (call after current thread is suspended)
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void Reschedule(const char* reason) {
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Thread* prev = __GetCurrentThread();
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Thread* next = __NextThread();
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Thread* prev = GetCurrentThread();
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Thread* next = NextThread();
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if (next > 0) {
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__SwitchContext(next, reason);
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SwitchContext(next, reason);
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// Hack - automatically change previous thread (which would have been in "wait" state) to
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// "ready" state, so that we can immediately resume to it when new thread yields. FixMe to
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// actually wait for whatever event it is supposed to be waiting on.
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__ChangeReadyState(prev, true);
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ChangeReadyState(prev, true);
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}
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}
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@ -59,8 +59,8 @@ void WaitCurThread(WaitType wait_type, const char* reason);
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/// Resumes a thread from waiting by marking it as "ready"
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void ResumeThreadFromWait(Handle handle);
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/// Gets the current thread
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Handle GetCurrentThread();
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/// Gets the current thread handle
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Handle GetCurrentThreadHandle();
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/// Put current thread in a wait state - on WaitSynchronization
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void WaitThread_Synchronization();
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@ -56,7 +56,7 @@ bool Load_ELF(std::string &filename) {
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elf_reader = new ElfReader(buffer);
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elf_reader->LoadInto(0x00100000);
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__KernelLoadExec(elf_reader->GetEntryPoint());
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Kernel::LoadExec(elf_reader->GetEntryPoint());
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delete[] buffer;
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delete elf_reader;
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@ -102,7 +102,7 @@ bool Load_DAT(std::string &filename) {
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*d++ = (*s++);
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}
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__KernelLoadExec(entry_point);
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Kernel::LoadExec(entry_point);
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delete[] buffer;
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@ -144,7 +144,7 @@ bool Load_BIN(std::string &filename) {
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*d++ = (*s++);
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}
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__KernelLoadExec(entry_point);
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Kernel::LoadExec(entry_point);
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delete[] buffer;
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}
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