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Initialize fp correctly on a new thread.

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Unknown W. Brackets 2016-09-05 08:57:09 -07:00
parent 1e51a03d5a
commit d876da1a01
1 changed files with 2 additions and 1 deletions
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3
Core/HLE/sceKernelThread.cpp
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@ -2016,8 +2016,9 @@ int __KernelStartThread(SceUID threadToStartID, int argSize, u32 argBlockPtr, bo
Memory::Write_U32(MIPS_MAKE_B(-1), sp + 8);
Memory::Write_U32(MIPS_MAKE_NOP(), sp + 12);
// Point ra at our return stub.
// Point ra at our return stub, and start fp off matching sp.
startThread->context.r[MIPS_REG_RA] = sp;
startThread->context.r[MIPS_REG_FP] = sp;
// Smaller is better for priority. Only switch if the new thread is better.
if (cur && cur->nt.currentPriority > startThread->nt.currentPriority) {