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Jit64: implement HID0 case of mtspr

This commit is contained in:
Tillmann Karras 2015-08-17 13:31:57 +02:00
parent 1b2074e53f
commit 1c78c7b864
1 changed files with 19 additions and 4 deletions
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23
Source/Core/Core/PowerPC/Jit64/Jit_SystemRegisters.cpp
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@ -175,6 +175,11 @@ FixupBranch Jit64::JumpIfCRFieldBit(int field, int bit, bool jump_if_set)
return FixupBranch();
}
static void DoICacheReset()
{
PowerPC::ppcState.iCache.Reset();
}
void Jit64::mtspr(UGeckoInstruction inst)
{
INSTRUCTION_START
@ -193,13 +198,9 @@ void Jit64::mtspr(UGeckoInstruction inst)
case SPR_SRR0:
case SPR_SRR1:
// These are safe to do the easy way, see the bottom of this function.
break;
case SPR_LR:
case SPR_CTR:
// These are safe to do the easy way, see the bottom of this function.
break;
case SPR_GQR0:
case SPR_GQR0 + 1:
@ -230,6 +231,20 @@ void Jit64::mtspr(UGeckoInstruction inst)
gpr.UnlockAll();
return;
case SPR_HID0:
{
gpr.BindToRegister(d, true, false);
BTR(32, gpr.R(d), Imm8(31 - 20)); // ICFI
MOV(32, PPCSTATE(spr[iIndex]), gpr.R(d));
FixupBranch dont_reset_icache = J_CC(CC_NC);
BitSet32 regs = CallerSavedRegistersInUse();
ABI_PushRegistersAndAdjustStack(regs, 0);
ABI_CallFunction((void*)DoICacheReset);
ABI_PopRegistersAndAdjustStack(regs, 0);
SetJumpTarget(dont_reset_icache);
break;
}
default:
FALLBACK_IF(true);
}