public int sceKernelCreateLwMutex(
int workAreaAddr, int name_addr, int attr, int count, int option_addr) {
Memory mem = Processor.memory;
String name = Utilities.readStringNZ(mem, name_addr, 32);
if (log.isDebugEnabled()) {
log.debug(
"sceKernelCreateLwMutex (workAreaAddr='"
+ Integer.toHexString(workAreaAddr)
+ "', name='"
+ name
+ "', attr=0x"
+ Integer.toHexString(attr)
+ ", count=0x"
+ Integer.toHexString(count)
+ ", option_addr=0x"
+ Integer.toHexString(option_addr)
+ ")");
}
SceKernelLwMutexInfo info = new SceKernelLwMutexInfo(workAreaAddr, name, count, attr);
lwMutexMap.put(info.uid, info);
// If the initial count is 0, the lwmutex is not acquired.
if (count > 0) {
info.threadid = Modules.ThreadManForUserModule.getCurrentThreadID();
}
// Return 0 in case of no error, do not return the UID of the created mutex
return 0;
}
private void onLwMutexModified(SceKernelLwMutexInfo info) {
ThreadManForUser threadMan = Modules.ThreadManForUserModule;
boolean reschedule = false;
if ((info.attr & PSP_LWMUTEX_ATTR_PRIORITY) == PSP_LWMUTEX_ATTR_FIFO) {
for (Iterator<SceKernelThreadInfo> it = Modules.ThreadManForUserModule.iterator();
it.hasNext(); ) {
SceKernelThreadInfo thread = it.next();
if (thread.isWaitingForType(PSP_WAIT_LWMUTEX)
&& thread.wait.LwMutex_id == info.uid
&& tryLockLwMutex(info, thread.wait.LwMutex_count, thread)) {
// New thread is taking control of LwMutex.
info.threadid = thread.uid;
// Update numWaitThreads
info.numWaitThreads--;
// Return success or failure
thread.cpuContext.gpr[2] = 0;
// Wakeup
threadMan.hleChangeThreadState(thread, PSP_THREAD_READY);
reschedule = true;
}
}
} else if ((info.attr & PSP_LWMUTEX_ATTR_PRIORITY) == PSP_LWMUTEX_ATTR_PRIORITY) {
for (Iterator<SceKernelThreadInfo> it = Modules.ThreadManForUserModule.iteratorByPriority();
it.hasNext(); ) {
SceKernelThreadInfo thread = it.next();
if (thread.isWaitingForType(PSP_WAIT_LWMUTEX)
&& thread.wait.LwMutex_id == info.uid
&& tryLockLwMutex(info, thread.wait.LwMutex_count, thread)) {
// New thread is taking control of LwMutex.
info.threadid = thread.uid;
// Update numWaitThreads
info.numWaitThreads--;
// Return success or failure
thread.cpuContext.gpr[2] = 0;
// Wakeup
threadMan.hleChangeThreadState(thread, PSP_THREAD_READY);
reschedule = true;
}
}
}
// Reschedule only if threads waked up.
if (reschedule) {
Modules.ThreadManForUserModule.hleRescheduleCurrentThread();
}
}
@HLEFunction(nid = 0xB287BD61, version = 150)
public int sceGeDrawSync(@CheckArgument("checkMode") int mode) {
if (mode == 0 && IntrManager.getInstance().isInsideInterrupt()) {
log.debug("sceGeDrawSync (mode==0) cannot be called inside an interrupt handler!");
return SceKernelErrors.ERROR_KERNEL_CANNOT_BE_CALLED_FROM_INTERRUPT;
}
// no synchronization on "this" required because we are not accessing
// local data, only list information from the VideoEngine.
int result = 0;
if (mode == 0) {
PspGeList lastList;
if (ExternalGE.isActive()) {
lastList = ExternalGE.getLastDrawList();
} else {
lastList = VideoEngine.getInstance().getLastDrawList();
}
if (lastList != null) {
blockCurrentThreadOnList(lastList, new HLEAfterDrawSyncAction());
} else {
if (log.isDebugEnabled()) {
log.debug("sceGeDrawSync all lists completed, not waiting");
}
hleGeAfterDrawSyncAction();
Modules.ThreadManForUserModule.hleRescheduleCurrentThread();
}
} else if (mode == 1) {
PspGeList currentList;
if (ExternalGE.isActive()) {
currentList = ExternalGE.getFirstDrawList();
} else {
currentList = VideoEngine.getInstance().getFirstDrawList();
}
if (currentList != null) {
result = currentList.status;
}
if (log.isDebugEnabled()) {
log.debug(String.format("sceGeDrawSync mode=%d, returning %d", mode, result));
}
}
return result;
}
@HLEFunction(nid = 0x0C116E1B, version = 620)
public int sceAtracLowLevelDecode(
@CheckArgument("checkAtracID") int atID,
TPointer sourceAddr,
TPointer32 sourceBytesConsumedAddr,
TPointer samplesAddr,
TPointer32 sampleBytesAddr) {
AtracID id = atracIDs[atID];
ICodec codec = id.getCodec();
if (log.isTraceEnabled()) {
log.trace(
String.format(
"sceAtracLowLevelDecode input:%s",
Utilities.getMemoryDump(sourceAddr.getAddress(), id.getSourceBufferLength())));
}
int sourceBytesConsumed = 0;
int bytesPerSample = id.getOutputChannels() << 1;
int result =
codec.decode(sourceAddr.getAddress(), id.getSourceBufferLength(), samplesAddr.getAddress());
if (log.isDebugEnabled()) {
log.debug(String.format("sceAtracLowLevelDecode codec returned 0x%08X", result));
}
if (result < 0) {
log.info(String.format("sceAtracLowLevelDecode codec returning 0x%08X", result));
return result;
}
sourceBytesConsumed = result > 0 ? id.getSourceBufferLength() : 0;
sampleBytesAddr.setValue(codec.getNumberOfSamples() * bytesPerSample);
// Consume a part of the Atrac3 source buffer
sourceBytesConsumedAddr.setValue(sourceBytesConsumed);
Modules.ThreadManForUserModule.hleKernelDelayThread(atracDecodeDelay, false);
return 0;
}