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Check RET isn't hit right away for safety.

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2013-01-30 23:41:34 -08:00
parent d279eb8932
commit 39663a1409
1 changed files with 9 additions and 6 deletions
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15
GPU/GLES/DisplayListInterpreter.cpp
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@@ -414,12 +414,15 @@ void GLES_GPU::ExecuteOp(u32 op, u32 diff) {
case GE_CMD_RET:
{
u32 target = (currentList->pc & 0xF0000000) | (stack[--stackptr] & 0x0FFFFFFF);
currentList->pc = target - 4;
if (!Memory::IsValidAddress(currentList->pc))
{
ERROR_LOG(G3D, "Invalid DL PC %08x on return", currentList->pc);
finished = true;
if (stackptr == 0) {
ERROR_LOG(G3D, "RET: Stack empty!");
} else {
u32 target = (currentList->pc & 0xF0000000) | (stack[--stackptr] & 0x0FFFFFFF);
currentList->pc = target - 4;
if (!Memory::IsValidAddress(currentList->pc)) {
ERROR_LOG(G3D, "Invalid DL PC %08x on return", currentList->pc);
finished = true;
}
}
}
break;