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Correct sceKernelGetThreadStackFreeSize().

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It was always returning 0.
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Unknown W. Brackets committed 2013-09-10 01:31:03 -07:00
1 parent 0f7ac377cd
commit b898e397aa
4 files changed
+18 -23
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Core/HLE/sceKernelThread.cpp
+15 -20
View File
@@ -1852,7 +1852,7 @@ int sceKernelCheckThreadStack()
Thread *t = kernelObjects.Get<Thread>(__KernelGetCurThread(), error);
if (t) {
u32 diff = labs((long)((s64)currentMIPS->r[MIPS_REG_SP] - (s64)t->currentStack.start));
WARN_LOG(SCEKERNEL, "%i=sceKernelCheckThreadStack()", diff);
DEBUG_LOG(SCEKERNEL, "%i=sceKernelCheckThreadStack()", diff);
return diff;
} else {
ERROR_LOG_REPORT(SCEKERNEL, "sceKernelCheckThreadStack() - not on thread");
@@ -2148,37 +2148,32 @@ int sceKernelStartThread(SceUID threadToStartID, int argSize, u32 argBlockPtr)
return 0;
}
void sceKernelGetThreadStackFreeSize()
int sceKernelGetThreadStackFreeSize(SceUID threadID)
{
SceUID threadID = PARAM(0);
Thread *thread;
INFO_LOG(SCEKERNEL,"sceKernelGetThreadStackFreeSize(%i)", threadID);
DEBUG_LOG(SCEKERNEL, "sceKernelGetThreadStackFreeSize(%i)", threadID);
if (threadID == 0)
thread = __GetCurrentThread();
else
threadID = currentThread;
u32 error;
Thread *thread = kernelObjects.Get<Thread>(threadID, error);
if (thread == 0)
{
u32 error;
thread = kernelObjects.Get<Thread>(threadID, error);
if (thread == 0)
{
ERROR_LOG(SCEKERNEL,"sceKernelGetThreadStackFreeSize: invalid thread id %i", threadID);
RETURN(error);
return;
}
ERROR_LOG(SCEKERNEL, "sceKernelGetThreadStackFreeSize: invalid thread id %i", threadID);
return error;
}
// Scan the stack for 0xFF
// Scan the stack for 0xFF, starting after 0x10 (the thread id is written there.)
// Obviously this doesn't work great if PSP_THREAD_ATTR_NO_FILLSTACK is used.
int sz = 0;
for (u32 addr = thread->currentStack.start; addr < thread->currentStack.start + thread->nt.stackSize; addr++)
for (u32 offset = 0x10; offset < thread->nt.stackSize; ++offset)
{
if (Memory::Read_U8(addr) != 0xFF)
if (Memory::Read_U8(thread->currentStack.start + offset) != 0xFF)
break;
sz++;
}
RETURN(sz & ~3);
return sz & ~3;
}
void __KernelReturnFromThread()