inline void hleFinishSyscall(const HLEFunction &info)
{
if ((hleAfterSyscall & HLE_AFTER_SKIP_DEADBEEF) == 0)
SetDeadbeefRegs();
if ((hleAfterSyscall & HLE_AFTER_CURRENT_CALLBACKS) != 0 && (hleAfterSyscall & HLE_AFTER_RESCHED_CALLBACKS) == 0)
__KernelForceCallbacks();
if ((hleAfterSyscall & HLE_AFTER_RUN_INTERRUPTS) != 0)
__RunOnePendingInterrupt();
if ((hleAfterSyscall & HLE_AFTER_RESCHED_CALLBACKS) != 0)
__KernelReSchedule(true, hleAfterSyscallReschedReason);
else if ((hleAfterSyscall & HLE_AFTER_RESCHED) != 0)
__KernelReSchedule(hleAfterSyscallReschedReason);
if ((hleAfterSyscall & HLE_AFTER_DEBUG_BREAK) != 0)
{
if (!hleExecuteDebugBreak(info))
{
// We'll do it next syscall.
hleAfterSyscall = HLE_AFTER_DEBUG_BREAK;
hleAfterSyscallReschedReason = 0;
return;
}
}
hleAfterSyscall = HLE_AFTER_NOTHING;
hleAfterSyscallReschedReason = 0;
}
void sceKernelLockLwMutexCB(u32 workareaPtr, int count, u32 timeoutPtr)
{
DEBUG_LOG(HLE,"sceKernelLockLwMutexCB(%08x, %i, %08x)", workareaPtr, count, timeoutPtr);
NativeLwMutexWorkarea workarea;
Memory::ReadStruct(workareaPtr, &workarea);
u32 error = 0;
if (__KernelLockLwMutex(workarea, count, error))
{
Memory::WriteStruct(workareaPtr, &workarea);
RETURN(0);
__KernelReSchedule("lwmutex locked");
}
else if (error)
RETURN(error);
else
{
LwMutex *mutex = kernelObjects.Get<LwMutex>(workarea.uid, error);
if (mutex)
{
mutex->waitingThreads.push_back(__KernelGetCurThread());
__KernelWaitLwMutex(mutex, timeoutPtr);
__KernelWaitCurThread(WAITTYPE_LWMUTEX, workarea.uid, count, timeoutPtr, true);
__KernelCheckCallbacks();
}
else
RETURN(error);
}
}
static void __CtrlDoSample()
{
// This samples the ctrl data into the buffers and updates the latch.
__CtrlUpdateLatch();
// Wake up a single thread that was waiting for the buffer.
retry:
if (!waitingThreads.empty() && ctrlBuf != ctrlBufRead)
{
SceUID threadID = waitingThreads[0];
waitingThreads.erase(waitingThreads.begin());
u32 error;
SceUID wVal = __KernelGetWaitID(threadID, WAITTYPE_CTRL, error);
// Make sure it didn't get woken or something.
if (wVal == 0)
goto retry;
PSPPointer<_ctrl_data> ctrlDataPtr;
ctrlDataPtr = __KernelGetWaitValue(threadID, error);
int retVal = __CtrlReadSingleBuffer(ctrlDataPtr, wVal == CTRL_WAIT_NEGATIVE);
__KernelResumeThreadFromWait(threadID, retVal);
__KernelReSchedule("ctrl buffers updated");
}
}
// Should be same as WaitSema but without the wait, instead returning SCE_KERNEL_ERROR_SEMA_ZERO
void sceKernelPollSema(SceUID id, int wantedCount)
{
DEBUG_LOG(HLE,"sceKernelPollSema(%i, %i)", id, wantedCount);
if (wantedCount <= 0)
{
RETURN(SCE_KERNEL_ERROR_ILLEGAL_COUNT);
return;
}
u32 error;
Semaphore *s = kernelObjects.Get<Semaphore>(id, error);
if (s)
{
if (s->ns.currentCount >= wantedCount)
{
s->ns.currentCount -= wantedCount;
RETURN(0);
}
else
RETURN(SCE_KERNEL_ERROR_SEMA_ZERO);
__KernelReSchedule("semaphore polled");
}
else
{
ERROR_LOG(HLE, "sceKernelPollSema: Trying to poll invalid semaphore %i", id);
RETURN(error);
}
}
inline void __AudioWakeThreads(AudioChannel &chan, int result, int step) {
u32 error;
bool wokeThreads = false;
for (size_t w = 0; w < chan.waitingThreads.size(); ++w) {
AudioChannelWaitInfo &waitInfo = chan.waitingThreads[w];
waitInfo.numSamples -= step;
// If it's done (there will still be samples on queue) and actually still waiting, wake it up.
u32 waitID = __KernelGetWaitID(waitInfo.threadID, WAITTYPE_AUDIOCHANNEL, error);
if (waitInfo.numSamples <= 0 && waitID != 0) {
// DEBUG_LOG(SCEAUDIO, "Woke thread %i for some buffer filling", waitingThread);
u32 ret = result == 0 ? __KernelGetWaitValue(waitInfo.threadID, error) : SCE_ERROR_AUDIO_CHANNEL_NOT_RESERVED;
__KernelResumeThreadFromWait(waitInfo.threadID, ret);
wokeThreads = true;
chan.waitingThreads.erase(chan.waitingThreads.begin() + w--);
}
// This means the thread stopped waiting, so stop trying to wake it.
else if (waitID == 0)
chan.waitingThreads.erase(chan.waitingThreads.begin() + w--);
}
if (wokeThreads) {
__KernelReSchedule("audio drain");
}
}
void __KernelWaitSema(SceUID id, int wantedCount, u32 timeoutPtr, const char *badSemaMessage, bool processCallbacks)
{
u32 error;
Semaphore *s = kernelObjects.Get<Semaphore>(id, error);
if (s)
{
if (wantedCount > s->ns.maxCount || wantedCount <= 0)
{
RETURN(SCE_KERNEL_ERROR_ILLEGAL_COUNT);
return;
}
// We need to set the return value BEFORE processing callbacks / etc.
RETURN(0);
if (s->ns.currentCount >= wantedCount)
s->ns.currentCount -= wantedCount;
else
{
s->ns.numWaitThreads++;
s->waitingThreads.push_back(__KernelGetCurThread());
__KernelSetSemaTimeout(s, timeoutPtr);
__KernelWaitCurThread(WAITTYPE_SEMA, id, wantedCount, timeoutPtr, processCallbacks);
if (processCallbacks)
__KernelCheckCallbacks();
}
__KernelReSchedule("semaphore waited");
}
else
{
ERROR_LOG(HLE, badSemaMessage, id);
RETURN(error);
}
}
// int sceKernelUnlockMutex(SceUID id, int count)
// void because it changes threads.
void sceKernelUnlockMutex(SceUID id, int count)
{
DEBUG_LOG(HLE,"sceKernelUnlockMutex(%i, %i)", id, count);
u32 error;
Mutex *mutex = kernelObjects.Get<Mutex>(id, error);
if (!error)
{
if (count <= 0)
error = SCE_KERNEL_ERROR_ILLEGAL_COUNT;
else if ((mutex->nm.attr & PSP_MUTEX_ATTR_ALLOW_RECURSIVE) == 0 && count > 1)
error = SCE_KERNEL_ERROR_ILLEGAL_COUNT;
else if (mutex->nm.lockLevel == 0 || mutex->nm.lockThread != __KernelGetCurThread())
error = PSP_MUTEX_ERROR_NOT_LOCKED;
else if (mutex->nm.lockLevel < count)
error = PSP_MUTEX_ERROR_UNLOCK_UNDERFLOW;
}
if (error)
{
RETURN(error);
return;
}
mutex->nm.lockLevel -= count;
RETURN(0);
if (mutex->nm.lockLevel == 0)
{
__KernelUnlockMutex(mutex, error);
__KernelReSchedule("mutex unlocked");
}
}
void sceKernelDeleteMutex(SceUID id)
{
DEBUG_LOG(HLE,"sceKernelDeleteMutex(%i)", id);
u32 error;
Mutex *mutex = kernelObjects.Get<Mutex>(id, error);
if (mutex)
{
std::vector<SceUID>::iterator iter, end;
for (iter = mutex->waitingThreads.begin(), end = mutex->waitingThreads.end(); iter != end; ++iter)
{
SceUID threadID = *iter;
u32 timeoutPtr = __KernelGetWaitTimeoutPtr(threadID, error);
if (timeoutPtr != 0 && mutexWaitTimer != 0)
{
// Remove any event for this thread.
u64 cyclesLeft = CoreTiming::UnscheduleEvent(mutexWaitTimer, threadID);
Memory::Write_U32((u32) cyclesToUs(cyclesLeft), timeoutPtr);
}
__KernelResumeThreadFromWait(threadID, SCE_KERNEL_ERROR_WAIT_DELETE);
}
if (mutex->nm.lockThread != -1)
__KernelMutexEraseLock(mutex);
mutex->waitingThreads.empty();
RETURN(kernelObjects.Destroy<Mutex>(id));
__KernelReSchedule("mutex deleted");
}
else
RETURN(error);
}
void __KernelReturnFromInterrupt()
{
DEBUG_LOG(CPU, "Left interrupt handler at %08x", currentMIPS->pc);
// This is what we just ran.
PendingInterrupt pend = pendingInterrupts.front();
pendingInterrupts.pop_front();
intrHandlers[pend.intr]->handleResult(pend);
inInterrupt = false;
// Restore context after running the interrupt.
intState.restore();
// All should now be back to normal, including PC.
// Alright, let's see if there's any more interrupts queued...
if (!__RunOnePendingInterrupt())
{
// Otherwise, we reschedule when dispatch was enabled, or switch back otherwise.
if (__KernelIsDispatchEnabled())
__KernelReSchedule("return from interrupt");
else
__KernelSwitchToThread(threadBeforeInterrupt, "return from interrupt");
}
}
void sceUmdDeactivate(u32 unknown, const char *name)
{
// Why 18? No idea.
if (unknown < 0 || unknown > 18)
{
RETURN(PSP_ERROR_UMD_INVALID_PARAM);
return;
}
bool changed = umdActivated != 0;
__KernelUmdDeactivate();
if (unknown == 1)
{
DEBUG_LOG(HLE, "0=sceUmdDeactivate(%d, %s)", unknown, name);
}
else
{
ERROR_LOG(HLE, "UNTESTED 0=sceUmdDeactivate(%d, %s)", unknown, name);
}
u32 notifyArg = UMD_PRESENT | UMD_READY;
__KernelNotifyCallbackType(THREAD_CALLBACK_UMD, -1, notifyArg);
RETURN(0);
if (changed)
__KernelReSchedule("umd deactivated");
}
//SceUID sceKernelCreateSema(const char *name, SceUInt attr, int initVal, int maxVal, SceKernelSemaOptParam *option);
// void because it changes threads.
void sceKernelCreateSema(const char* name, u32 attr, int initVal, int maxVal, u32 optionPtr)
{
if (!semaInitComplete)
__KernelSemaInit();
if (!name)
{
RETURN(SCE_KERNEL_ERROR_ERROR);
return;
}
Semaphore *s = new Semaphore;
SceUID id = kernelObjects.Create(s);
s->ns.size = sizeof(NativeSemaphore);
strncpy(s->ns.name, name, 31);
s->ns.name[31] = 0;
s->ns.attr = attr;
s->ns.initCount = initVal;
s->ns.currentCount = s->ns.initCount;
s->ns.maxCount = maxVal;
s->ns.numWaitThreads = 0;
DEBUG_LOG(HLE,"%i=sceKernelCreateSema(%s, %08x, %i, %i, %08x)", id, s->ns.name, s->ns.attr, s->ns.initCount, s->ns.maxCount, optionPtr);
if (optionPtr != 0)
WARN_LOG(HLE,"sceKernelCreateSema(%s) unsupported options parameter.", name);
RETURN(id);
__KernelReSchedule("semaphore created");
}
void sceKernelSendMbx(SceUID id, u32 packetAddr)
{
u32 error;
Mbx *m = kernelObjects.Get<Mbx>(id, error);
NativeMbxPacket *addPacket = (NativeMbxPacket*)Memory::GetPointer(packetAddr);
if (addPacket == 0)
{
ERROR_LOG(HLE, "sceKernelSendMbx(%i, %08x): invalid packet address", id, packetAddr);
RETURN(-1);
return;
}
if (!m)
{
ERROR_LOG(HLE, "sceKernelSendMbx(%i, %08x): invalid mbx id", id, packetAddr);
RETURN(error);
return;
}
if (m->waitingThreads.empty())
{
DEBUG_LOG(HLE, "sceKernelSendMbx(%i, %08x): no threads currently waiting, adding message to queue", id, packetAddr);
if (m->nmb.attr & SCE_KERNEL_MBA_MSPRI)
{
for (std::vector<u32>::iterator it = m->messageQueue.begin(); it != m->messageQueue.end(); it++)
{
NativeMbxPacket *p = (NativeMbxPacket*)Memory::GetPointer(*it);
if (addPacket->priority >= p->priority)
{
m->messageQueue.insert(it, packetAddr);
break;
}
}
}
else
{
m->messageQueue.push_back(packetAddr);
}
RETURN(0);
}
else if (m->messageQueue.empty())
{
Memory::Write_U32(packetAddr, m->waitingThreads.front().second);
__KernelResumeThreadFromWait(m->waitingThreads.front().first);
DEBUG_LOG(HLE, "sceKernelSendMbx(%i, %08x): threads waiting, resuming %d", id, packetAddr, m->waitingThreads.front().first);
m->waitingThreads.erase(m->waitingThreads.begin());
RETURN(0);
__KernelReSchedule();
}
else
{
ERROR_LOG(HLE, "sceKernelSendMbx(%i, %08x): WTF!? thread waiting while there is a message in the queue?", id, packetAddr);
RETURN(-1);
}
}
void sceKernelCheckCallback()
{
//only check those of current thread
ERROR_LOG(HLE,"UNIMPL sceKernelCheckCallback()");
// HACK that makes the audio thread work in Puyo Puyo Fever - the main thread never yields!
// Probably because callbacks aren't working right.
__KernelReSchedule("checkcallbackhack");
RETURN(0);
}
// int sceKernelLockMutexCB(SceUID id, int count, int *timeout)
// void because it changes threads.
void sceKernelLockMutexCB(SceUID id, int count, u32 timeoutPtr)
{
DEBUG_LOG(HLE,"sceKernelLockMutexCB(%i, %i, %08x)", id, count, timeoutPtr);
u32 error;
Mutex *mutex = kernelObjects.Get<Mutex>(id, error);
if (__KernelLockMutex(mutex, count, error))
{
RETURN(0);
__KernelReSchedule("mutex locked");
}
else if (error)
RETURN(error);
else
{
mutex->waitingThreads.push_back(__KernelGetCurThread());
__KernelWaitMutex(mutex, timeoutPtr);
__KernelWaitCurThread(WAITTYPE_MUTEX, id, count, timeoutPtr, true);
__KernelCheckCallbacks();
}
__KernelReSchedule("mutex locked");
}
void sceKernelCreateLwMutex(u32 workareaPtr, const char *name, u32 attr, int initialCount, u32 optionsPtr)
{
if (!mutexInitComplete)
__KernelMutexInit();
DEBUG_LOG(HLE,"sceKernelCreateLwMutex(%08x, %s, %08x, %d, %08x)", workareaPtr, name, attr, initialCount, optionsPtr);
u32 error = 0;
if (!name)
error = SCE_KERNEL_ERROR_ERROR;
else if (initialCount < 0)
error = SCE_KERNEL_ERROR_ILLEGAL_COUNT;
else if ((attr & PSP_MUTEX_ATTR_ALLOW_RECURSIVE) == 0 && initialCount > 1)
error = SCE_KERNEL_ERROR_ILLEGAL_COUNT;
if (error)
{
RETURN(error);
return;
}
LwMutex *mutex = new LwMutex();
SceUID id = kernelObjects.Create(mutex);
mutex->nm.size = sizeof(mutex);
strncpy(mutex->nm.name, name, 31);
mutex->nm.name[31] = 0;
mutex->nm.attr = attr;
mutex->nm.workareaPtr = workareaPtr;
NativeLwMutexWorkarea workarea;
workarea.init();
workarea.lockLevel = initialCount;
if (initialCount == 0)
workarea.lockThread = 0;
else
workarea.lockThread = __KernelGetCurThread();
workarea.attr = attr;
workarea.uid = id;
Memory::WriteStruct(workareaPtr, &workarea);
if (optionsPtr != 0)
WARN_LOG(HLE,"sceKernelCreateLwMutex(%s) unsupported options parameter.", name);
RETURN(0);
__KernelReSchedule("lwmutex created");
}
// int sceKernelTryLockMutex(SceUID id, int count)
// void because it changes threads.
void sceKernelTryLockMutex(SceUID id, int count)
{
DEBUG_LOG(HLE,"sceKernelTryLockMutex(%i, %i)", id, count);
u32 error;
Mutex *mutex = kernelObjects.Get<Mutex>(id, error);
if (__KernelLockMutex(mutex, count, error))
{
RETURN(0);
__KernelReSchedule("mutex trylocked");
}
else if (error)
RETURN(error);
else
RETURN(PSP_MUTEX_ERROR_TRYLOCK_FAILED);
}
void hleDelayResultFinish(u64 userdata, int cycleslate)
{
u32 error;
SceUID threadID = (SceUID) userdata;
SceUID verify = __KernelGetWaitID(threadID, WAITTYPE_HLEDELAY, error);
// The top 32 bits of userdata are the top 32 bits of the 64 bit result.
// We can't just put it all in userdata because we need to know the threadID...
u64 result = (userdata & 0xFFFFFFFF00000000ULL) | __KernelGetWaitValue(threadID, error);
if (error == 0 && verify == 1)
{
__KernelResumeThreadFromWait(threadID, result);
__KernelReSchedule("woke from hle delay");
}
else
WARN_LOG(HLE, "Someone else woke up HLE-blocked thread?");
}
//int sceKernelDeleteSema(SceUID semaid, SceKernelSemaInfo *info);
// void because it changes threads.
void sceKernelReferSemaStatus(SceUID id, u32 infoPtr)
{
u32 error;
Semaphore *s = kernelObjects.Get<Semaphore>(id, error);
if (s)
{
DEBUG_LOG(HLE,"sceKernelReferSemaStatus(%i, %08x)", id, infoPtr);
Memory::WriteStruct(infoPtr, &s->ns);
RETURN(0);
__KernelReSchedule("semaphore refer status");
}
else
{
ERROR_LOG(HLE,"Error %08x", error);
RETURN(error);
}
}
//int sceKernelDeleteSema(SceUID semaid);
// void because it changes threads.
void sceKernelDeleteSema(SceUID id)
{
DEBUG_LOG(HLE,"sceKernelDeleteSema(%i)", id);
u32 error;
Semaphore *s = kernelObjects.Get<Semaphore>(id, error);
if (s)
{
__KernelClearSemaThreads(s, SCE_KERNEL_ERROR_WAIT_DELETE);
RETURN(kernelObjects.Destroy<Semaphore>(id));
__KernelReSchedule("semaphore deleted");
}
else
{
ERROR_LOG(HLE, "sceKernelDeleteSema : Trying to delete invalid semaphore %i", id);
RETURN(error);
}
}
void sceKernelCreateMutex(const char *name, u32 attr, int initialCount, u32 optionsPtr)
{
if (!mutexInitComplete)
__KernelMutexInit();
u32 error = 0;
if (!name)
error = SCE_KERNEL_ERROR_ERROR;
else if (initialCount < 0)
error = SCE_KERNEL_ERROR_ILLEGAL_COUNT;
else if ((attr & PSP_MUTEX_ATTR_ALLOW_RECURSIVE) == 0 && initialCount > 1)
error = SCE_KERNEL_ERROR_ILLEGAL_COUNT;
if (error)
{
RETURN(error);
return;
}
DEBUG_LOG(HLE,"sceKernelCreateMutex(%s, %08x, %d, %08x)", name, attr, initialCount, optionsPtr);
Mutex *mutex = new Mutex();
SceUID id = kernelObjects.Create(mutex);
mutex->nm.size = sizeof(mutex);
strncpy(mutex->nm.name, name, 31);
mutex->nm.name[31] = 0;
mutex->nm.attr = attr;
if (initialCount == 0)
{
mutex->nm.lockLevel = 0;
mutex->nm.lockThread = -1;
}
else
__KernelMutexAcquireLock(mutex, initialCount);
if (optionsPtr != 0)
WARN_LOG(HLE,"sceKernelCreateMutex(%s) unsupported options parameter.", name);
RETURN(id);
__KernelReSchedule("mutex created");
}
void sceKernelDeleteLwMutex(u32 workareaPtr)
{
DEBUG_LOG(HLE,"sceKernelDeleteLwMutex(%08x)", workareaPtr);
if (!workareaPtr || !Memory::IsValidAddress(workareaPtr))
{
RETURN(SCE_KERNEL_ERROR_ILLEGAL_ADDR);
return;
}
NativeLwMutexWorkarea workarea;
Memory::ReadStruct(workareaPtr, &workarea);
u32 error;
LwMutex *mutex = kernelObjects.Get<LwMutex>(workarea.uid, error);
if (mutex)
{
std::vector<SceUID>::iterator iter, end;
for (iter = mutex->waitingThreads.begin(), end = mutex->waitingThreads.end(); iter != end; ++iter)
{
SceUID threadID = *iter;
u32 timeoutPtr = __KernelGetWaitTimeoutPtr(threadID, error);
if (timeoutPtr != 0 && lwMutexWaitTimer != 0)
{
// Remove any event for this thread.
u64 cyclesLeft = CoreTiming::UnscheduleEvent(lwMutexWaitTimer, threadID);
Memory::Write_U32((u32) cyclesToUs(cyclesLeft), timeoutPtr);
}
__KernelResumeThreadFromWait(threadID, SCE_KERNEL_ERROR_WAIT_DELETE);
}
mutex->waitingThreads.empty();
RETURN(kernelObjects.Destroy<LwMutex>(workarea.uid));
workarea.clear();
Memory::WriteStruct(workareaPtr, &workarea);
__KernelReSchedule("mutex deleted");
}
else
RETURN(error);
}
void sceKernelTryLockLwMutex_600(u32 workareaPtr, int count)
{
DEBUG_LOG(HLE,"sceKernelTryLockLwMutex_600(%08x, %i)", workareaPtr, count);
NativeLwMutexWorkarea workarea;
Memory::ReadStruct(workareaPtr, &workarea);
u32 error = 0;
if (__KernelLockLwMutex(workarea, count, error))
{
Memory::WriteStruct(workareaPtr, &workarea);
RETURN(0);
__KernelReSchedule("lwmutex trylocked");
}
else if (error)
RETURN(error);
else
RETURN(PSP_LWMUTEX_ERROR_TRYLOCK_FAILED);
}
void __KernelReturnFromInterrupt()
{
DEBUG_LOG(CPU, "Left interrupt handler at %08x", currentMIPS->pc);
// This is what we just ran.
PendingInterrupt pend = pendingInterrupts.front();
pendingInterrupts.pop_front();
intrHandlers[pend.intr]->handleResult(pend);
inInterrupt = false;
// Restore context after running the interrupt.
intState.restore();
// All should now be back to normal, including PC.
// Alright, let's see if there's any more interrupts queued...
if (!__RunOnePendingInterrupt())
__KernelReSchedule("return from interrupt");
}
void sceKernelUnlockLwMutex(u32 workareaPtr, int count)
{
DEBUG_LOG(HLE,"sceKernelUnlockLwMutex(%08x, %i)", workareaPtr, count);
NativeLwMutexWorkarea workarea;
Memory::ReadStruct(workareaPtr, &workarea);
u32 error = 0;
if (workarea.uid == -1)
error = PSP_LWMUTEX_ERROR_NO_SUCH_LWMUTEX;
else if (count <= 0)
error = SCE_KERNEL_ERROR_ILLEGAL_COUNT;
else if ((workarea.attr & PSP_MUTEX_ATTR_ALLOW_RECURSIVE) == 0 && count > 1)
error = SCE_KERNEL_ERROR_ILLEGAL_COUNT;
else if (workarea.lockLevel == 0 || workarea.lockThread != __KernelGetCurThread())
error = PSP_LWMUTEX_ERROR_NOT_LOCKED;
else if (workarea.lockLevel < count)
error = PSP_LWMUTEX_ERROR_UNLOCK_UNDERFLOW;
if (error)
{
RETURN(error);
return;
}
workarea.lockLevel -= count;
RETURN(0);
if (workarea.lockLevel == 0)
{
__KernelUnlockLwMutex(workarea, error);
Memory::WriteStruct(workareaPtr, &workarea);
__KernelReSchedule("mutex unlocked");
}
else
Memory::WriteStruct(workareaPtr, &workarea);
}
// int sceKernelCancelSema(SceUID id, int newCount, int *numWaitThreads);
// void because it changes threads.
void sceKernelCancelSema(SceUID id, int newCount, u32 numWaitThreadsPtr)
{
DEBUG_LOG(HLE,"sceKernelCancelSema(%i)", id);
u32 error;
Semaphore *s = kernelObjects.Get<Semaphore>(id, error);
if (s)
{
if (newCount > s->ns.maxCount)
{
RETURN(SCE_KERNEL_ERROR_ILLEGAL_COUNT);
return;
}
if (numWaitThreadsPtr)
{
u32* numWaitThreads = (u32*)Memory::GetPointer(numWaitThreadsPtr);
*numWaitThreads = s->ns.numWaitThreads;
}
if (newCount < 0)
s->ns.currentCount = s->ns.initCount;
else
s->ns.currentCount = newCount;
s->ns.numWaitThreads = 0;
// We need to set the return value BEFORE rescheduling threads.
RETURN(0);
__KernelClearSemaThreads(s, SCE_KERNEL_ERROR_WAIT_CANCEL);
__KernelReSchedule("semaphore cancelled");
}
else
{
ERROR_LOG(HLE, "sceKernelCancelSema : Trying to cancel invalid semaphore %i", id);
RETURN(error);
}
}
void __KernelReturnFromInterrupt()
{
DEBUG_LOG(CPU, "Left interrupt handler at %08x", currentMIPS->pc);
inInterrupt = false;
// This is what we just ran.
PendingInterrupt pend = pendingInterrupts.front();
pendingInterrupts.pop_front();
SubIntrHandler *handler = intrHandlers[pend.intr].get(pend.subintr);
if (handler != NULL)
handler->handleResult(currentMIPS->r[MIPS_REG_V0]);
else
ERROR_LOG(HLE, "Interrupt released itself? Should not happen.");
// Restore context after running the interrupt.
intState.restore();
// All should now be back to normal, including PC.
// Alright, let's see if there's any more interrupts queued...
if (!__RunOnePendingInterrupt())
__KernelReSchedule("return from interrupt");
}
//int sceKernelSignalSema(SceUID semaid, int signal);
// void because it changes threads.
void sceKernelSignalSema(SceUID id, int signal)
{
//TODO: check that this thing really works :)
u32 error;
Semaphore *s = kernelObjects.Get<Semaphore>(id, error);
if (s)
{
if (s->ns.currentCount + signal > s->ns.maxCount)
{
RETURN(SCE_KERNEL_ERROR_SEMA_OVF);
return;
}
int oldval = s->ns.currentCount;
s->ns.currentCount += signal;
DEBUG_LOG(HLE,"sceKernelSignalSema(%i, %i) (old: %i, new: %i)", id, signal, oldval, s->ns.currentCount);
// We need to set the return value BEFORE processing other threads.
RETURN(0);
bool wokeThreads = false;
retry:
// TODO: PSP_SEMA_ATTR_PRIORITY
std::vector<SceUID>::iterator iter;
for (iter = s->waitingThreads.begin(); iter!=s->waitingThreads.end(); iter++)
{
SceUID threadID = *iter;
int wVal = (int)__KernelGetWaitValue(threadID, error);
u32 timeoutPtr = __KernelGetWaitTimeoutPtr(threadID, error);
if (wVal <= s->ns.currentCount)
{
s->ns.currentCount -= wVal;
s->ns.numWaitThreads--;
if (timeoutPtr != 0 && semaWaitTimer != 0)
{
// Remove any event for this thread.
int cyclesLeft = CoreTiming::UnscheduleEvent(semaWaitTimer, threadID);
Memory::Write_U32(cyclesToUs(cyclesLeft), timeoutPtr);
}
__KernelResumeThreadFromWait(threadID, 0);
wokeThreads = true;
s->waitingThreads.erase(iter);
goto retry;
}
else
{
break;
}
}
__KernelReSchedule("semaphore signalled");
}
else
{
ERROR_LOG(HLE, "sceKernelSignalSema : Trying to signal invalid semaphore %i", id);
RETURN(error;)
}
}
void hleEnterVblank(u64 userdata, int cyclesLate) {
int vbCount = userdata;
DEBUG_LOG(SCEDISPLAY, "Enter VBlank %i", vbCount);
isVblank = 1;
vCount++; // vCount increases at each VBLANK.
hCountBase += hCountPerVblank; // This is the "accumulated" hcount base.
if (hCountBase > 0x7FFFFFFF) {
hCountBase -= 0x80000000;
}
frameStartTicks = CoreTiming::GetTicks();
CoreTiming::ScheduleEvent(msToCycles(vblankMs) - cyclesLate, leaveVblankEvent, vbCount + 1);
// Wake up threads waiting for VBlank
u32 error;
bool wokeThreads = false;
for (size_t i = 0; i < vblankWaitingThreads.size(); i++) {
if (--vblankWaitingThreads[i].vcountUnblock == 0) {
// Only wake it if it wasn't already released by someone else.
SceUID waitID = __KernelGetWaitID(vblankWaitingThreads[i].threadID, WAITTYPE_VBLANK, error);
if (waitID == 1) {
__KernelResumeThreadFromWait(vblankWaitingThreads[i].threadID, 0);
wokeThreads = true;
}
vblankWaitingThreads.erase(vblankWaitingThreads.begin() + i--);
}
}
if (wokeThreads) {
__KernelReSchedule("entered vblank");
}
// Trigger VBlank interrupt handlers.
__TriggerInterrupt(PSP_INTR_IMMEDIATE | PSP_INTR_ONLY_IF_ENABLED | PSP_INTR_ALWAYS_RESCHED, PSP_VBLANK_INTR, PSP_INTR_SUB_ALL);
gpuStats.numVBlanks++;
numVBlanksSinceFlip++;
// TODO: Should this be done here or in hleLeaveVblank?
if (framebufIsLatched) {
DEBUG_LOG(SCEDISPLAY, "Setting latched framebuffer %08x (prev: %08x)", latchedFramebuf.topaddr, framebuf.topaddr);
framebuf = latchedFramebuf;
framebufIsLatched = false;
gpu->SetDisplayFramebuffer(framebuf.topaddr, framebuf.pspFramebufLinesize, framebuf.pspFramebufFormat);
}
// We flip only if the framebuffer was dirty. This eliminates flicker when using
// non-buffered rendering. The interaction with frame skipping seems to need
// some work.
// But, let's flip at least once every 10 frames if possible, since there may be sound effects.
if (gpu->FramebufferDirty() || (g_Config.iRenderingMode != 0 && numVBlanksSinceFlip >= 10)) {
if (g_Config.iShowFPSCounter && g_Config.iShowFPSCounter < 4) {
CalculateFPS();
}
// Setting CORE_NEXTFRAME causes a swap.
// Check first though, might've just quit / been paused.
if (gpu->FramebufferReallyDirty()) {
if (coreState == CORE_RUNNING) {
coreState = CORE_NEXTFRAME;
gpu->CopyDisplayToOutput();
actualFlips++;
}
}
gpuStats.numFlips++;
bool throttle, skipFrame;
DoFrameTiming(throttle, skipFrame, (float)numVBlanksSinceFlip * timePerVblank);
int maxFrameskip = 8;
if (throttle) {
// 4 here means 1 drawn, 4 skipped - so 12 fps minimum.
maxFrameskip = g_Config.iFrameSkip;
}
if (numSkippedFrames >= maxFrameskip) {
skipFrame = false;
}
if (skipFrame) {
gstate_c.skipDrawReason |= SKIPDRAW_SKIPFRAME;
numSkippedFrames++;
} else {
gstate_c.skipDrawReason &= ~SKIPDRAW_SKIPFRAME;
numSkippedFrames = 0;
}
// Returning here with coreState == CORE_NEXTFRAME causes a buffer flip to happen (next frame).
// Right after, we regain control for a little bit in hleAfterFlip. I think that's a great
// place to do housekeeping.
CoreTiming::ScheduleEvent(0 - cyclesLate, afterFlipEvent, 0);
numVBlanksSinceFlip = 0;
} else {
// Okay, there's no new frame to draw. But audio may be playing, so we need to time still.
DoFrameIdleTiming();
}
}