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PPCRec: Support for arbitrary function calls in the IR

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Used for MFTBU/MFTBL instruction
This commit is contained in:
Exzap 2024-10-19 02:35:55 +02:00
parent 4517c209d5
commit b55785a0a0
6 changed files with 140 additions and 13 deletions
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22
src/Cafe/HW/Espresso/Recompiler/PPCRecompilerImlGen.cpp
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@ -6,6 +6,7 @@
#include "IML/IML.h"
#include "IML/IMLRegisterAllocatorRanges.h"
#include "PPCFunctionBoundaryTracker.h"
#include "Cafe/OS/libs/coreinit/coreinit_Time.h"
bool PPCRecompiler_decodePPCInstruction(ppcImlGenContext_t* ppcImlGenContext);
@ -398,15 +399,30 @@ bool PPCRecompilerImlGen_MFSPR(ppcImlGenContext_t* ppcImlGenContext, uint32 opco
return true;
}
ATTR_MS_ABI uint32 PPCRecompiler_GetTBL()
{
return (uint32)coreinit::coreinit_getTimerTick();
}
ATTR_MS_ABI uint32 PPCRecompiler_GetTBU()
{
return (uint32)(coreinit::coreinit_getTimerTick() >> 32);
}
bool PPCRecompilerImlGen_MFTB(ppcImlGenContext_t* ppcImlGenContext, uint32 opcode)
{
printf("PPCRecompilerImlGen_MFTB(): Not supported\n");
return false;
uint32 rD, spr1, spr2, spr;
PPC_OPC_TEMPL_XO(opcode, rD, spr1, spr2);
spr = spr1 | (spr2<<5);
if( spr == SPR_TBL || spr == SPR_TBU )
{
IMLReg resultReg = _GetRegGPR(ppcImlGenContext, rD);
ppcImlGenContext->emitInst().make_call_imm(spr == SPR_TBL ? (uintptr_t)PPCRecompiler_GetTBL : (uintptr_t)PPCRecompiler_GetTBU, IMLREG_INVALID, IMLREG_INVALID, IMLREG_INVALID, resultReg);
return true;
}
return false;
if (spr == 268 || spr == 269)
{
// TBL / TBU