Implement sceKernelCheckThreadStack

Core/HLE/sceKernelInterrupt.cpp

@@ -540,6 +540,13 @@ u32 sceKernelMemcpy(u32 dst, u32 src, u32 size)
 	return dst;
 }
 
+// Returns the stack size of the current thread.
+u32 sceKernelCheckThreadStack() {
+	int stackSize = __KernelGetCurThreadStack() - currentMIPS->r[MIPS_REG_SP];
+	DEBUG_LOG(HLE, "%i = sceKernelCheckThreadStack()", stackSize);
+	return stackSize;
+}
+
 const HLEFunction Kernel_Library[] =
 {
 	{0x092968F4,sceKernelCpuSuspendIntr,"sceKernelCpuSuspendIntr"},
@@ -555,6 +562,7 @@ const HLEFunction Kernel_Library[] =
 	{0x15b6446b,WrapI_UI<sceKernelUnlockLwMutex>, "sceKernelUnlockLwMutex"},
 	{0xc1734599,WrapI_UU<sceKernelReferLwMutexStatus>, "sceKernelReferLwMutexStatus"},
 	{0x293b45b8,sceKernelGetThreadId, "sceKernelGetThreadId"},
+	{0xD13BDE95,WrapU_V<sceKernelCheckThreadStack>, "sceKernelCheckThreadStack"},
 	{0x1839852A,WrapU_UUU<sceKernelMemcpy>,"sce_paf_private_memcpy"},
 };
 

Core/HLE/sceKernelThread.cpp

@@ -333,6 +333,7 @@ public:
 		// Fill the stack.
 		Memory::Memset(stackBlock, 0xFF, stackSize);
 		context.r[MIPS_REG_SP] = stackBlock + stackSize;
+		stackEnd = context.r[MIPS_REG_SP];
 		nt.initialStack = stackBlock;
 		nt.stackSize = stackSize;
 		// What's this 512?
@@ -429,6 +430,7 @@ public:
 	std::list<u32> pendingMipsCalls;
 
 	u32 stackBlock;
+	u32 stackEnd;
 };
 
 // std::vector<SceUID> with push_front(), remove(), etc.
@@ -1832,6 +1834,14 @@ SceUID __KernelGetCurThreadModuleId()
 	return 0;
 }
 
+u32 __KernelGetCurThreadStack()
+{
+	Thread *t = __GetCurrentThread();
+	if (t)
+		return t->stackEnd;
+	return 0;
+}
+
 
 void sceKernelGetThreadId()
 {

Core/HLE/sceKernelThread.h

@@ -46,7 +46,7 @@ u32 sceKernelReferThreadRunStatus(u32 uid, u32 statusPtr);
 int sceKernelReleaseWaitThread(SceUID threadID);
 void sceKernelChangeCurrentThreadAttr();
 int sceKernelRotateThreadReadyQueue(int priority);
-void sceKernelCheckThreadStack();
+u32 sceKernelCheckThreadStack();
 void sceKernelSuspendThread();
 void sceKernelResumeThread();
 void sceKernelWakeupThread();
@@ -116,6 +116,7 @@ KernelObject *__KernelCallbackObject();
 
 void __KernelScheduleWakeup(int threadnumber, s64 usFromNow);
 SceUID __KernelGetCurThread();
+u32 __KernelGetCurThreadStack();
 const char *__KernelGetThreadName(SceUID threadID);
 
 void __KernelSaveContext(ThreadContext *ctx);