preserve-emulation/ppsspp
1
0 Fork 0
mirror of https://github.com/hrydgard/ppsspp.git synced 2026-10-17 16:30:30 +02:00
Code Issues Packages Projects Releases Wiki Activity

Revert "Fixed an issue when MipsCall executed on any random thread instead of it's own thread causing some registers to be corrupted and leading to invalid address access"

Browse Source 
This reverts commit 8a65d73ad2.
This commit is contained in:
sum2012 authored and Henrik Rydgard committed 2015-01-04 13:04:05 +01:00
1 parent accda25ce0
commit 589cf551a0
2 files changed
-20
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

Core/HLE/sceKernelThread.cpp
-17
View File
@@ -966,10 +966,6 @@ void MipsCall::DoState(PointerWrap &p)
doAfter = __KernelCreateAction(actionTypeID);
doAfter->DoState(p);
}
IsOldSaveState = true; // just a workaround to prevent using the variable below when it's loading from an old savestate
//p.Do(savedAt);
//p.DoArray(savedAregs, ARRAY_SIZE(savedAregs)); // This could cause incompatibility with old savestate right?
}
void MipsCall::setReturnValue(u32 value)
@@ -3407,12 +3403,6 @@ void __KernelExecuteMipsCallOnCurrentThread(u32 callId, bool reschedAfter)
call->savedV1 = currentMIPS->r[MIPS_REG_V1];
call->savedId = cur->currentMipscallId;
call->reschedAfter = reschedAfter;
// Also need to backup other regs which might be used by the called mips function, needed when mipscall executed on any random thread to prevent corrupting the original regs
call->IsOldSaveState = false;
call->savedAt = currentMIPS->r[MIPS_REG_COMPILER_SCRATCH];
for (int i = 0; i < 27; i++) {
call->savedAregs[i] = currentMIPS->r[MIPS_REG_A0 + i];
}
// Set up the new state
currentMIPS->pc = call->entryPoint;
@@ -3457,13 +3447,6 @@ void __KernelReturnFromMipsCall()
currentMIPS->r[MIPS_REG_V0] = call->savedV0;
currentMIPS->r[MIPS_REG_V1] = call->savedV1;
cur->currentMipscallId = call->savedId;
// Also need to restore regs which might be changed during the call to prevent mipscall corrupting the original regs when mipscall executed on any random thread
if (!call->IsOldSaveState) { // Don't restore these regs if MipsCall was loaded from an old savestate
currentMIPS->r[MIPS_REG_COMPILER_SCRATCH] = call->savedAt;
for (int i = 0; i < 27; i++) {
currentMIPS->r[MIPS_REG_A0 + i] = call->savedAregs[i];
}
}
// If the thread called ExitDelete, we might've already decreased g_inCbCount.
if (call->cbId != 0 && g_inCbCount > 0) {