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project64/Source/Project64-rsp/Recompiler CPU.cpp

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#include <float.h>
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include "Cpu.h"
#include "Interpreter CPU.h"
#include "Profiling.h"
#include "RSP Command.h"
#include "Recompiler CPU.h"
#include "Recompiler Ops.h"
#include "Rsp.h"
#include "log.h"
#include "memory.h"
#include "x86.h"
#include <Project64-rsp-core/cpu/RSPInstruction.h>
#include <Project64-rsp-core/cpu/RSPOpcode.h>
#include <Project64-rsp-core/cpu/RSPRegisters.h>
#include <Project64-rsp-core/cpu/RspTypes.h>
#pragma warning(disable : 4152) // Non-standard extension, function/data pointer conversion in expression
// #define REORDER_BLOCK_VERBOSE
#define LINK_BRANCHES_VERBOSE // No choice really
#define X86_RECOMP_VERBOSE
#define BUILD_BRANCHLABELS_VERBOSE
uint32_t CompilePC, JumpTableSize, BlockID = 0;
DWORD dwBuffer = MainBuffer;
bool ChangedPC;
RSP_BLOCK CurrentBlock;
RSP_CODE RspCode;
BYTE *pLastSecondary = NULL, *pLastPrimary = NULL;
void BuildRecompilerCPU(void)
{
RSP_Opcode[0] = Compile_SPECIAL;
RSP_Opcode[1] = Compile_REGIMM;
RSP_Opcode[2] = Compile_J;
RSP_Opcode[3] = Compile_JAL;
RSP_Opcode[4] = Compile_BEQ;
RSP_Opcode[5] = Compile_BNE;
RSP_Opcode[6] = Compile_BLEZ;
RSP_Opcode[7] = Compile_BGTZ;
RSP_Opcode[8] = Compile_ADDI;
RSP_Opcode[9] = Compile_ADDIU;
RSP_Opcode[10] = Compile_SLTI;
RSP_Opcode[11] = Compile_SLTIU;
RSP_Opcode[12] = Compile_ANDI;
RSP_Opcode[13] = Compile_ORI;
RSP_Opcode[14] = Compile_XORI;
RSP_Opcode[15] = Compile_LUI;
RSP_Opcode[16] = Compile_COP0;
RSP_Opcode[17] = Compile_UnknownOpcode;
RSP_Opcode[18] = Compile_COP2;
RSP_Opcode[19] = Compile_UnknownOpcode;
RSP_Opcode[20] = Compile_UnknownOpcode;
RSP_Opcode[21] = Compile_UnknownOpcode;
RSP_Opcode[22] = Compile_UnknownOpcode;
RSP_Opcode[23] = Compile_UnknownOpcode;
RSP_Opcode[24] = Compile_UnknownOpcode;
RSP_Opcode[25] = Compile_UnknownOpcode;
RSP_Opcode[26] = Compile_UnknownOpcode;
RSP_Opcode[27] = Compile_UnknownOpcode;
RSP_Opcode[28] = Compile_UnknownOpcode;
RSP_Opcode[29] = Compile_UnknownOpcode;
RSP_Opcode[30] = Compile_UnknownOpcode;
RSP_Opcode[31] = Compile_UnknownOpcode;
RSP_Opcode[32] = Compile_LB;
RSP_Opcode[33] = Compile_LH;
RSP_Opcode[34] = Compile_UnknownOpcode;
RSP_Opcode[35] = Compile_LW;
RSP_Opcode[36] = Compile_LBU;
RSP_Opcode[37] = Compile_LHU;
RSP_Opcode[38] = Compile_UnknownOpcode;
RSP_Opcode[39] = Compile_UnknownOpcode;
RSP_Opcode[40] = Compile_SB;
RSP_Opcode[41] = Compile_SH;
RSP_Opcode[42] = Compile_UnknownOpcode;
RSP_Opcode[43] = Compile_SW;
RSP_Opcode[44] = Compile_UnknownOpcode;
RSP_Opcode[45] = Compile_UnknownOpcode;
RSP_Opcode[46] = Compile_UnknownOpcode;
RSP_Opcode[47] = Compile_UnknownOpcode;
RSP_Opcode[48] = Compile_UnknownOpcode;
RSP_Opcode[49] = Compile_UnknownOpcode;
RSP_Opcode[50] = Compile_LC2;
RSP_Opcode[51] = Compile_UnknownOpcode;
RSP_Opcode[52] = Compile_UnknownOpcode;
RSP_Opcode[53] = Compile_UnknownOpcode;
RSP_Opcode[54] = Compile_UnknownOpcode;
RSP_Opcode[55] = Compile_UnknownOpcode;
RSP_Opcode[56] = Compile_UnknownOpcode;
RSP_Opcode[57] = Compile_UnknownOpcode;
RSP_Opcode[58] = Compile_SC2;
RSP_Opcode[59] = Compile_UnknownOpcode;
RSP_Opcode[60] = Compile_UnknownOpcode;
RSP_Opcode[61] = Compile_UnknownOpcode;
RSP_Opcode[62] = Compile_UnknownOpcode;
RSP_Opcode[63] = Compile_UnknownOpcode;
RSP_Special[0] = Compile_Special_SLL;
RSP_Special[1] = Compile_UnknownOpcode;
RSP_Special[2] = Compile_Special_SRL;
RSP_Special[3] = Compile_Special_SRA;
RSP_Special[4] = Compile_Special_SLLV;
RSP_Special[5] = Compile_UnknownOpcode;
RSP_Special[6] = Compile_Special_SRLV;
RSP_Special[7] = Compile_Special_SRAV;
RSP_Special[8] = Compile_Special_JR;
RSP_Special[9] = Compile_Special_JALR;
RSP_Special[10] = Compile_UnknownOpcode;
RSP_Special[11] = Compile_UnknownOpcode;
RSP_Special[12] = Compile_UnknownOpcode;
RSP_Special[13] = Compile_Special_BREAK;
RSP_Special[14] = Compile_UnknownOpcode;
RSP_Special[15] = Compile_UnknownOpcode;
RSP_Special[16] = Compile_UnknownOpcode;
RSP_Special[17] = Compile_UnknownOpcode;
RSP_Special[18] = Compile_UnknownOpcode;
RSP_Special[19] = Compile_UnknownOpcode;
RSP_Special[20] = Compile_UnknownOpcode;
RSP_Special[21] = Compile_UnknownOpcode;
RSP_Special[22] = Compile_UnknownOpcode;
RSP_Special[23] = Compile_UnknownOpcode;
RSP_Special[24] = Compile_UnknownOpcode;
RSP_Special[25] = Compile_UnknownOpcode;
RSP_Special[26] = Compile_UnknownOpcode;
RSP_Special[27] = Compile_UnknownOpcode;
RSP_Special[28] = Compile_UnknownOpcode;
RSP_Special[29] = Compile_UnknownOpcode;
RSP_Special[30] = Compile_UnknownOpcode;
RSP_Special[31] = Compile_UnknownOpcode;
RSP_Special[32] = Compile_Special_ADD;
RSP_Special[33] = Compile_Special_ADDU;
RSP_Special[34] = Compile_Special_SUB;
RSP_Special[35] = Compile_Special_SUBU;
RSP_Special[36] = Compile_Special_AND;
RSP_Special[37] = Compile_Special_OR;
RSP_Special[38] = Compile_Special_XOR;
RSP_Special[39] = Compile_Special_NOR;
RSP_Special[40] = Compile_UnknownOpcode;
RSP_Special[41] = Compile_UnknownOpcode;
RSP_Special[42] = Compile_Special_SLT;
RSP_Special[43] = Compile_Special_SLTU;
RSP_Special[44] = Compile_UnknownOpcode;
RSP_Special[45] = Compile_UnknownOpcode;
RSP_Special[46] = Compile_UnknownOpcode;
RSP_Special[47] = Compile_UnknownOpcode;
RSP_Special[48] = Compile_UnknownOpcode;
RSP_Special[49] = Compile_UnknownOpcode;
RSP_Special[50] = Compile_UnknownOpcode;
RSP_Special[51] = Compile_UnknownOpcode;
RSP_Special[52] = Compile_UnknownOpcode;
RSP_Special[53] = Compile_UnknownOpcode;
RSP_Special[54] = Compile_UnknownOpcode;
RSP_Special[55] = Compile_UnknownOpcode;
RSP_Special[56] = Compile_UnknownOpcode;
RSP_Special[57] = Compile_UnknownOpcode;
RSP_Special[58] = Compile_UnknownOpcode;
RSP_Special[59] = Compile_UnknownOpcode;
RSP_Special[60] = Compile_UnknownOpcode;
RSP_Special[61] = Compile_UnknownOpcode;
RSP_Special[62] = Compile_UnknownOpcode;
RSP_Special[63] = Compile_UnknownOpcode;
RSP_RegImm[0] = Compile_RegImm_BLTZ;
RSP_RegImm[1] = Compile_RegImm_BGEZ;
RSP_RegImm[2] = Compile_UnknownOpcode;
RSP_RegImm[3] = Compile_UnknownOpcode;
RSP_RegImm[4] = Compile_UnknownOpcode;
RSP_RegImm[5] = Compile_UnknownOpcode;
RSP_RegImm[6] = Compile_UnknownOpcode;
RSP_RegImm[7] = Compile_UnknownOpcode;
RSP_RegImm[8] = Compile_UnknownOpcode;
RSP_RegImm[9] = Compile_UnknownOpcode;
RSP_RegImm[10] = Compile_UnknownOpcode;
RSP_RegImm[11] = Compile_UnknownOpcode;
RSP_RegImm[12] = Compile_UnknownOpcode;
RSP_RegImm[13] = Compile_UnknownOpcode;
RSP_RegImm[14] = Compile_UnknownOpcode;
RSP_RegImm[15] = Compile_UnknownOpcode;
RSP_RegImm[16] = Compile_RegImm_BLTZAL;
RSP_RegImm[17] = Compile_RegImm_BGEZAL;
RSP_RegImm[18] = Compile_UnknownOpcode;
RSP_RegImm[19] = Compile_UnknownOpcode;
RSP_RegImm[20] = Compile_UnknownOpcode;
RSP_RegImm[21] = Compile_UnknownOpcode;
RSP_RegImm[22] = Compile_UnknownOpcode;
RSP_RegImm[23] = Compile_UnknownOpcode;
RSP_RegImm[24] = Compile_UnknownOpcode;
RSP_RegImm[25] = Compile_UnknownOpcode;
RSP_RegImm[26] = Compile_UnknownOpcode;
RSP_RegImm[27] = Compile_UnknownOpcode;
RSP_RegImm[28] = Compile_UnknownOpcode;
RSP_RegImm[29] = Compile_UnknownOpcode;
RSP_RegImm[30] = Compile_UnknownOpcode;
RSP_RegImm[31] = Compile_UnknownOpcode;
RSP_Cop0[0] = Compile_Cop0_MF;
RSP_Cop0[1] = Compile_UnknownOpcode;
RSP_Cop0[2] = Compile_UnknownOpcode;
RSP_Cop0[3] = Compile_UnknownOpcode;
RSP_Cop0[4] = Compile_Cop0_MT;
RSP_Cop0[5] = Compile_UnknownOpcode;
RSP_Cop0[6] = Compile_UnknownOpcode;
RSP_Cop0[7] = Compile_UnknownOpcode;
RSP_Cop0[8] = Compile_UnknownOpcode;
RSP_Cop0[9] = Compile_UnknownOpcode;
RSP_Cop0[10] = Compile_UnknownOpcode;
RSP_Cop0[11] = Compile_UnknownOpcode;
RSP_Cop0[12] = Compile_UnknownOpcode;
RSP_Cop0[13] = Compile_UnknownOpcode;
RSP_Cop0[14] = Compile_UnknownOpcode;
RSP_Cop0[15] = Compile_UnknownOpcode;
RSP_Cop0[16] = Compile_UnknownOpcode;
RSP_Cop0[17] = Compile_UnknownOpcode;
RSP_Cop0[18] = Compile_UnknownOpcode;
RSP_Cop0[19] = Compile_UnknownOpcode;
RSP_Cop0[20] = Compile_UnknownOpcode;
RSP_Cop0[21] = Compile_UnknownOpcode;
RSP_Cop0[22] = Compile_UnknownOpcode;
RSP_Cop0[23] = Compile_UnknownOpcode;
RSP_Cop0[24] = Compile_UnknownOpcode;
RSP_Cop0[25] = Compile_UnknownOpcode;
RSP_Cop0[26] = Compile_UnknownOpcode;
RSP_Cop0[27] = Compile_UnknownOpcode;
RSP_Cop0[28] = Compile_UnknownOpcode;
RSP_Cop0[29] = Compile_UnknownOpcode;
RSP_Cop0[30] = Compile_UnknownOpcode;
RSP_Cop0[31] = Compile_UnknownOpcode;
RSP_Cop2[0] = Compile_Cop2_MF;
RSP_Cop2[1] = Compile_UnknownOpcode;
RSP_Cop2[2] = Compile_Cop2_CF;
RSP_Cop2[3] = Compile_UnknownOpcode;
RSP_Cop2[4] = Compile_Cop2_MT;
RSP_Cop2[5] = Compile_UnknownOpcode;
RSP_Cop2[6] = Compile_Cop2_CT;
RSP_Cop2[7] = Compile_UnknownOpcode;
RSP_Cop2[8] = Compile_UnknownOpcode;
RSP_Cop2[9] = Compile_UnknownOpcode;
RSP_Cop2[10] = Compile_UnknownOpcode;
RSP_Cop2[11] = Compile_UnknownOpcode;
RSP_Cop2[12] = Compile_UnknownOpcode;
RSP_Cop2[13] = Compile_UnknownOpcode;
RSP_Cop2[14] = Compile_UnknownOpcode;
RSP_Cop2[15] = Compile_UnknownOpcode;
RSP_Cop2[16] = Compile_COP2_VECTOR;
RSP_Cop2[17] = Compile_COP2_VECTOR;
RSP_Cop2[18] = Compile_COP2_VECTOR;
RSP_Cop2[19] = Compile_COP2_VECTOR;
RSP_Cop2[20] = Compile_COP2_VECTOR;
RSP_Cop2[21] = Compile_COP2_VECTOR;
RSP_Cop2[22] = Compile_COP2_VECTOR;
RSP_Cop2[23] = Compile_COP2_VECTOR;
RSP_Cop2[24] = Compile_COP2_VECTOR;
RSP_Cop2[25] = Compile_COP2_VECTOR;
RSP_Cop2[26] = Compile_COP2_VECTOR;
RSP_Cop2[27] = Compile_COP2_VECTOR;
RSP_Cop2[28] = Compile_COP2_VECTOR;
RSP_Cop2[29] = Compile_COP2_VECTOR;
RSP_Cop2[30] = Compile_COP2_VECTOR;
RSP_Cop2[31] = Compile_COP2_VECTOR;
RSP_Vector[0] = Compile_Vector_VMULF;
RSP_Vector[1] = Compile_Vector_VMULU;
RSP_Vector[2] = Compile_UnknownOpcode;
RSP_Vector[3] = Compile_UnknownOpcode;
RSP_Vector[4] = Compile_Vector_VMUDL;
RSP_Vector[5] = Compile_Vector_VMUDM;
RSP_Vector[6] = Compile_Vector_VMUDN;
RSP_Vector[7] = Compile_Vector_VMUDH;
RSP_Vector[8] = Compile_Vector_VMACF;
RSP_Vector[9] = Compile_Vector_VMACU;
RSP_Vector[10] = Compile_UnknownOpcode;
RSP_Vector[11] = Compile_Vector_VMACQ;
RSP_Vector[12] = Compile_Vector_VMADL;
RSP_Vector[13] = Compile_Vector_VMADM;
RSP_Vector[14] = Compile_Vector_VMADN;
RSP_Vector[15] = Compile_Vector_VMADH;
RSP_Vector[16] = Compile_Vector_VADD;
RSP_Vector[17] = Compile_Vector_VSUB;
RSP_Vector[18] = Compile_UnknownOpcode;
RSP_Vector[19] = Compile_Vector_VABS;
RSP_Vector[20] = Compile_Vector_VADDC;
RSP_Vector[21] = Compile_Vector_VSUBC;
RSP_Vector[22] = Compile_UnknownOpcode;
RSP_Vector[23] = Compile_UnknownOpcode;
RSP_Vector[24] = Compile_UnknownOpcode;
RSP_Vector[25] = Compile_UnknownOpcode;
RSP_Vector[26] = Compile_UnknownOpcode;
RSP_Vector[27] = Compile_UnknownOpcode;
RSP_Vector[28] = Compile_UnknownOpcode;
RSP_Vector[29] = Compile_Vector_VSAW;
RSP_Vector[30] = Compile_UnknownOpcode;
RSP_Vector[31] = Compile_UnknownOpcode;
RSP_Vector[32] = Compile_Vector_VLT;
RSP_Vector[33] = Compile_Vector_VEQ;
RSP_Vector[34] = Compile_Vector_VNE;
RSP_Vector[35] = Compile_Vector_VGE;
RSP_Vector[36] = Compile_Vector_VCL;
RSP_Vector[37] = Compile_Vector_VCH;
RSP_Vector[38] = Compile_Vector_VCR;
RSP_Vector[39] = Compile_Vector_VMRG;
RSP_Vector[40] = Compile_Vector_VAND;
RSP_Vector[41] = Compile_Vector_VNAND;
RSP_Vector[42] = Compile_Vector_VOR;
RSP_Vector[43] = Compile_Vector_VNOR;
RSP_Vector[44] = Compile_Vector_VXOR;
RSP_Vector[45] = Compile_Vector_VNXOR;
RSP_Vector[46] = Compile_UnknownOpcode;
RSP_Vector[47] = Compile_UnknownOpcode;
RSP_Vector[48] = Compile_Vector_VRCP;
RSP_Vector[49] = Compile_Vector_VRCPL;
RSP_Vector[50] = Compile_Vector_VRCPH;
RSP_Vector[51] = Compile_Vector_VMOV;
RSP_Vector[52] = Compile_Vector_VRSQ;
RSP_Vector[53] = Compile_Vector_VRSQL;
RSP_Vector[54] = Compile_Vector_VRSQH;
RSP_Vector[55] = Compile_Vector_VNOOP;
RSP_Vector[56] = Compile_UnknownOpcode;
RSP_Vector[57] = Compile_UnknownOpcode;
RSP_Vector[58] = Compile_UnknownOpcode;
RSP_Vector[59] = Compile_UnknownOpcode;
RSP_Vector[60] = Compile_UnknownOpcode;
RSP_Vector[61] = Compile_UnknownOpcode;
RSP_Vector[62] = Compile_UnknownOpcode;
RSP_Vector[63] = Compile_UnknownOpcode;
RSP_Lc2[0] = Compile_Opcode_LBV;
RSP_Lc2[1] = Compile_Opcode_LSV;
RSP_Lc2[2] = Compile_Opcode_LLV;
RSP_Lc2[3] = Compile_Opcode_LDV;
RSP_Lc2[4] = Compile_Opcode_LQV;
RSP_Lc2[5] = Compile_Opcode_LRV;
RSP_Lc2[6] = Compile_Opcode_LPV;
RSP_Lc2[7] = Compile_Opcode_LUV;
RSP_Lc2[8] = Compile_Opcode_LHV;
RSP_Lc2[9] = Compile_Opcode_LFV;
RSP_Lc2[10] = Compile_UnknownOpcode;
RSP_Lc2[11] = Compile_Opcode_LTV;
RSP_Lc2[12] = Compile_UnknownOpcode;
RSP_Lc2[13] = Compile_UnknownOpcode;
RSP_Lc2[14] = Compile_UnknownOpcode;
RSP_Lc2[15] = Compile_UnknownOpcode;
RSP_Lc2[16] = Compile_UnknownOpcode;
RSP_Lc2[17] = Compile_UnknownOpcode;
RSP_Lc2[18] = Compile_UnknownOpcode;
RSP_Lc2[19] = Compile_UnknownOpcode;
RSP_Lc2[20] = Compile_UnknownOpcode;
RSP_Lc2[21] = Compile_UnknownOpcode;
RSP_Lc2[22] = Compile_UnknownOpcode;
RSP_Lc2[23] = Compile_UnknownOpcode;
RSP_Lc2[24] = Compile_UnknownOpcode;
RSP_Lc2[25] = Compile_UnknownOpcode;
RSP_Lc2[26] = Compile_UnknownOpcode;
RSP_Lc2[27] = Compile_UnknownOpcode;
RSP_Lc2[28] = Compile_UnknownOpcode;
RSP_Lc2[29] = Compile_UnknownOpcode;
RSP_Lc2[30] = Compile_UnknownOpcode;
RSP_Lc2[31] = Compile_UnknownOpcode;
RSP_Sc2[0] = Compile_Opcode_SBV;
RSP_Sc2[1] = Compile_Opcode_SSV;
RSP_Sc2[2] = Compile_Opcode_SLV;
RSP_Sc2[3] = Compile_Opcode_SDV;
RSP_Sc2[4] = Compile_Opcode_SQV;
RSP_Sc2[5] = Compile_Opcode_SRV;
RSP_Sc2[6] = Compile_Opcode_SPV;
RSP_Sc2[7] = Compile_Opcode_SUV;
RSP_Sc2[8] = Compile_Opcode_SHV;
RSP_Sc2[9] = Compile_Opcode_SFV;
RSP_Sc2[10] = Compile_Opcode_SWV;
RSP_Sc2[11] = Compile_Opcode_STV;
RSP_Sc2[12] = Compile_UnknownOpcode;
RSP_Sc2[13] = Compile_UnknownOpcode;
RSP_Sc2[14] = Compile_UnknownOpcode;
RSP_Sc2[15] = Compile_UnknownOpcode;
RSP_Sc2[16] = Compile_UnknownOpcode;
RSP_Sc2[17] = Compile_UnknownOpcode;
RSP_Sc2[18] = Compile_UnknownOpcode;
RSP_Sc2[19] = Compile_UnknownOpcode;
RSP_Sc2[20] = Compile_UnknownOpcode;
RSP_Sc2[21] = Compile_UnknownOpcode;
RSP_Sc2[22] = Compile_UnknownOpcode;
RSP_Sc2[23] = Compile_UnknownOpcode;
RSP_Sc2[24] = Compile_UnknownOpcode;
RSP_Sc2[25] = Compile_UnknownOpcode;
RSP_Sc2[26] = Compile_UnknownOpcode;
RSP_Sc2[27] = Compile_UnknownOpcode;
RSP_Sc2[28] = Compile_UnknownOpcode;
RSP_Sc2[29] = Compile_UnknownOpcode;
RSP_Sc2[30] = Compile_UnknownOpcode;
RSP_Sc2[31] = Compile_UnknownOpcode;
BlockID = 0;
ChangedPC = false;
#ifdef Log_x86Code
Start_x86_Log();
#endif
}
/*
ReOrderSubBlock
Description:
This can be done, but will be interesting to put
between branches labels, and actual branches, whichever
occurs first in code
*/
void ReOrderInstructions(DWORD StartPC, DWORD EndPC)
{
DWORD InstructionCount = EndPC - StartPC;
DWORD Count, ReorderedOps, CurrentPC;
RSPOpcode PreviousOp, CurrentOp, RspOp;
PreviousOp.Value = *(DWORD *)(RSPInfo.IMEM + (StartPC & 0xFFC));
if (IsOpcodeBranch(StartPC, PreviousOp))
{
// The sub block ends here anyway
return;
}
if (IsOpcodeNop(StartPC) && IsOpcodeNop(StartPC + 4) && IsOpcodeNop(StartPC + 8))
{
// Don't even bother
return;
}
CPU_Message("***** Doing reorder (%X to %X) *****", StartPC, EndPC);
if (InstructionCount < 0x0010)
{
return;
}
if (InstructionCount > 0x0A00)
{
return;
}
CPU_Message(" Before:");
for (Count = StartPC; Count < EndPC; Count += 4)
{
RSP_LW_IMEM(Count, &RspOp.Value);
CPU_Message(" %X %s", Count, RSPInstruction(Count, RspOp.Value).NameAndParam().c_str());
}
for (Count = 0; Count < InstructionCount; Count += 4)
{
CurrentPC = StartPC;
PreviousOp.Value = *(DWORD *)(RSPInfo.IMEM + (CurrentPC & 0xFFC));
ReorderedOps = 0;
for (;;)
{
CurrentPC += 4;
if (CurrentPC >= EndPC)
{
break;
}
CurrentOp.Value = *(DWORD *)(RSPInfo.IMEM + CurrentPC);
if (CompareInstructions(CurrentPC, &PreviousOp, &CurrentOp))
{
// Move current opcode up
*(DWORD *)(RSPInfo.IMEM + CurrentPC - 4) = CurrentOp.Value;
*(DWORD *)(RSPInfo.IMEM + CurrentPC) = PreviousOp.Value;
ReorderedOps++;
#ifdef REORDER_BLOCK_VERBOSE
CPU_Message("Swapped %X and %X", CurrentPC - 4, CurrentPC);
#endif
}
PreviousOp.Value = *(DWORD *)(RSPInfo.IMEM + (CurrentPC & 0xFFC));
if (IsOpcodeNop(CurrentPC) && IsOpcodeNop(CurrentPC + 4) && IsOpcodeNop(CurrentPC + 8))
{
CurrentPC = EndPC;
}
}
if (ReorderedOps == 0)
{
Count = InstructionCount;
}
}
CPU_Message(" After:");
for (Count = StartPC; Count < EndPC; Count += 4)
{
RSP_LW_IMEM(Count, &RspOp.Value);
CPU_Message(" %X %s", Count, RSPInstruction(Count, RspOp.Value).NameAndParam().c_str());
}
CPU_Message("");
}
void ReOrderSubBlock(RSP_BLOCK * Block)
{
DWORD end = 0x0ffc;
DWORD count;
if (!Compiler.bReOrdering)
{
return;
}
if (Block->CurrPC > 0xFF0)
{
return;
}
// Find the label or jump closest to us
if (RspCode.LabelCount)
{
for (count = 0; count < RspCode.LabelCount; count++)
{
if (RspCode.BranchLabels[count] < end && RspCode.BranchLabels[count] > Block->CurrPC)
{
end = RspCode.BranchLabels[count];
}
}
}
if (RspCode.BranchCount)
{
for (count = 0; count < RspCode.BranchCount; count++)
{
if (RspCode.BranchLocations[count] < end && RspCode.BranchLocations[count] > Block->CurrPC)
{
end = RspCode.BranchLocations[count];
}
}
}
// It wont actually re-order the op at the end
ReOrderInstructions(Block->CurrPC, end);
}
/*
DetectGPRConstants
Description:
This needs to be called on a sub-block basis, like
after every time we hit a branch and delay slot
*/
void DetectGPRConstants(RSP_CODE * code)
{
DWORD Count, Constant = 0;
memset(&code->bIsRegConst, 0, sizeof(bool) * 0x20);
memset(&code->MipsRegConst, 0, sizeof(DWORD) * 0x20);
if (!Compiler.bGPRConstants)
{
return;
}
CPU_Message("***** Detecting constants *****");
// R0 is constant zero, R31 or RA is not constant
code->bIsRegConst[0] = true;
code->MipsRegConst[0] = 0;
// Do your global search for them
for (Count = 1; Count < 31; Count++)
{
if (IsRegisterConstant(Count, &Constant))
{
CPU_Message("Global: %s is a constant of: %08X", GPR_Name(Count), Constant);
code->bIsRegConst[Count] = true;
code->MipsRegConst[Count] = Constant;
}
}
CPU_Message("");
}
/*
CompilerToggleBuffer and ClearX86Code
Description:
1: Toggles the compiler buffer, useful for poorly
taken branches like alignment
2: Clears all the x86 code, jump tables etc.
*/
void CompilerToggleBuffer(void)
{
if (dwBuffer == MainBuffer)
{
dwBuffer = SecondaryBuffer;
pLastPrimary = RecompPos;
if (pLastSecondary == NULL)
{
pLastSecondary = RecompCodeSecondary;
}
RecompPos = pLastSecondary;
CPU_Message(" (Secondary buffer active 0x%08X)", pLastSecondary);
}
else
{
dwBuffer = MainBuffer;
pLastSecondary = RecompPos;
if (pLastPrimary == NULL)
{
pLastPrimary = RecompCode;
}
RecompPos = pLastPrimary;
CPU_Message(" (Primary buffer active 0x%08X)", pLastPrimary);
}
}
void ClearAllx86Code(void)
{
extern DWORD NoOfMaps, MapsCRC[32];
extern BYTE * JumpTables;
memset(&MapsCRC, 0, sizeof(DWORD) * 0x20);
NoOfMaps = 0;
memset(JumpTables, 0, 0x1000 * 32);
RecompPos = RecompCode;
pLastPrimary = NULL;
pLastSecondary = NULL;
}
/*
Link branches
Description:
Resolves all the collected branches, x86 style
*/
void LinkBranches(RSP_BLOCK * Block)
{
DWORD OrigPrgCount = *PrgCount;
DWORD Count, Target;
DWORD * JumpWord;
BYTE * X86Code;
RSP_BLOCK Save;
if (!CurrentBlock.ResolveCount)
{
return;
}
CPU_Message("***** Linking branches (%i) *****", CurrentBlock.ResolveCount);
for (Count = 0; Count < CurrentBlock.ResolveCount; Count++)
{
Target = CurrentBlock.BranchesToResolve[Count].TargetPC;
X86Code = (BYTE *)*(JumpTable + (Target >> 2));
if (!X86Code)
{
*PrgCount = Target;
CPU_Message("");
CPU_Message("===== (Generate code: %04X) =====", Target);
Save = *Block;
// Compile this block and link
CompilerRSPBlock();
LinkBranches(Block);
*Block = Save;
CPU_Message("===== (End generate code: %04X) =====", Target);
CPU_Message("");
X86Code = (BYTE *)*(JumpTable + (Target >> 2));
}
JumpWord = CurrentBlock.BranchesToResolve[Count].X86JumpLoc;
x86_SetBranch32b(JumpWord, (DWORD *)X86Code);
CPU_Message("Linked RSP branch from x86: %08X, to RSP: %X / x86: %08X",
JumpWord, Target, X86Code);
}
*PrgCount = OrigPrgCount;
CPU_Message("***** Done linking branches *****");
CPU_Message("");
}
/*
BuildBranchLabels
Description:
Branch labels are used to start and stop re-ordering
sections as well as set the jump table to points
within a block that are safe.
*/
void BuildBranchLabels(void)
{
RSPOpcode RspOp;
DWORD i, Dest;
#ifdef BUILD_BRANCHLABELS_VERBOSE
CPU_Message("***** Building branch labels *****");
#endif
for (i = 0; i < 0x1000; i += 4)
{
RspOp.Value = *(DWORD *)(RSPInfo.IMEM + i);
if (IsOpcodeBranch(i, RspOp))
{
if (RspCode.LabelCount >= (sizeof(RspCode.BranchLabels) / sizeof(RspCode.BranchLabels[0])) - 1)
{
CompilerWarning("Out of space for branch labels");
return;
}
if (RspCode.BranchCount >= (sizeof(RspCode.BranchLocations) / sizeof(RspCode.BranchLocations[0])) - 1)
{
CompilerWarning("Out of space for branch locations");
return;
}
RspCode.BranchLocations[RspCode.BranchCount++] = i;
if (RspOp.op == RSP_SPECIAL)
{
// Register jump not predictable
}
else if (RspOp.op == RSP_J || RspOp.op == RSP_JAL)
{
// For JAL its a sub-block for returns
Dest = (RspOp.target << 2) & 0xFFC;
RspCode.BranchLabels[RspCode.LabelCount] = Dest;
RspCode.LabelCount += 1;
#ifdef BUILD_BRANCHLABELS_VERBOSE
CPU_Message("[%02i] Added branch at %X to %X", RspCode.LabelCount, i, Dest);
#endif
}
else
{
Dest = (i + ((short)RspOp.offset << 2) + 4) & 0xFFC;
RspCode.BranchLabels[RspCode.LabelCount] = Dest;
RspCode.LabelCount += 1;
#ifdef BUILD_BRANCHLABELS_VERBOSE
CPU_Message("[%02i] Added branch at %X to %X", RspCode.LabelCount, i, Dest);
#endif
}
}
}
#ifdef BUILD_BRANCHLABELS_VERBOSE
CPU_Message("***** End branch labels *****");
CPU_Message("");
#endif
}
bool IsJumpLabel(DWORD PC)
{
DWORD Count;
if (!RspCode.LabelCount)
{
return false;
}
for (Count = 0; Count < RspCode.LabelCount; Count++)
{
if (PC == RspCode.BranchLabels[Count])
{
return true;
}
}
return false;
}
void CompilerLinkBlocks(void)
{
BYTE * KnownCode = (BYTE *)*(JumpTable + (CompilePC >> 2));
CPU_Message("***** Linking block to X86: %08X *****", KnownCode);
NextInstruction = FINISH_BLOCK;
// Block linking scenario
JmpLabel32("Linked block", 0);
x86_SetBranch32b(RecompPos - 4, KnownCode);
}
void CompilerRSPBlock(void)
{
BYTE * IMEM_SAVE = (BYTE *)malloc(0x1000);
const size_t X86BaseAddress = (size_t)RecompPos;
NextInstruction = NORMAL;
CompilePC = *PrgCount;
memset(&CurrentBlock, 0, sizeof(CurrentBlock));
CurrentBlock.StartPC = CompilePC;
CurrentBlock.CurrPC = CompilePC;
// Align the block to a boundary
if (X86BaseAddress & 7)
{
register size_t Count;
const size_t Padding = (8 - (X86BaseAddress & 7)) & 7;
for (Count = 0; Count < Padding; Count++)
{
CPU_Message("%08X: nop", RecompPos);
*(RecompPos++) = 0x90;
}
}
CPU_Message("====== Block %d ======", BlockID++);
CPU_Message("x86 code at: %X", RecompPos);
CPU_Message("Jump table: %X", Table);
CPU_Message("Start of block: %X", CurrentBlock.StartPC);
CPU_Message("====== Recompiled code ======");
if (Compiler.bReOrdering)
{
memcpy(IMEM_SAVE, RSPInfo.IMEM, 0x1000);
ReOrderSubBlock(&CurrentBlock);
}
// This is for the block about to be compiled
*(JumpTable + (CompilePC >> 2)) = RecompPos;
do
{
// Reordering is setup to allow us to have loop labels
// so here we see if this is one and put it in the jump table
if (NextInstruction == NORMAL && IsJumpLabel(CompilePC))
{
// Jumps come around twice
if (NULL == *(JumpTable + (CompilePC >> 2)))
{
CPU_Message("***** Adding jump table entry for PC: %04X at X86: %08X *****", CompilePC, RecompPos);
CPU_Message("");
*(JumpTable + (CompilePC >> 2)) = RecompPos;
// Reorder from here to next label or branch
CurrentBlock.CurrPC = CompilePC;
ReOrderSubBlock(&CurrentBlock);
}
else if (NextInstruction != DELAY_SLOT_DONE)
{
// We could link the blocks here, but performance-wise it might be better to just let it run
}
}
if (Compiler.bSections)
{
if (RSP_DoSections())
{
continue;
}
}
#ifdef X86_RECOMP_VERBOSE
if (!IsOpcodeNop(CompilePC))
{
CPU_Message("X86 Address: %08X", RecompPos);
}
#endif
RSP_LW_IMEM(CompilePC, &RSPOpC.Value);
if (LogRDP && NextInstruction != DELAY_SLOT_DONE)
{
char str[40];
sprintf(str, "%X", CompilePC);
PushImm32(str, CompilePC);
Call_Direct(RDP_LogLoc, "RDP_LogLoc");
AddConstToX86Reg(x86_ESP, 4);
}
if (RSPOpC.Value == 0xFFFFFFFF)
{
// I think this pops up an unknown OP dialog
// NextInstruction = FINISH_BLOCK;
}
else
{
RSP_Opcode[RSPOpC.op]();
}
switch (NextInstruction)
{
case NORMAL:
CompilePC += 4;
break;
case DO_DELAY_SLOT:
NextInstruction = DELAY_SLOT;
CompilePC += 4;
break;
case DELAY_SLOT:
NextInstruction = DELAY_SLOT_DONE;
CompilePC -= 4;
break;
case DELAY_SLOT_EXIT:
NextInstruction = DELAY_SLOT_EXIT_DONE;
CompilePC -= 4;
break;
case FINISH_SUB_BLOCK:
NextInstruction = NORMAL;
CompilePC += 8;
if (CompilePC >= 0x1000)
{
NextInstruction = FINISH_BLOCK;
}
else if (NULL == *(JumpTable + (CompilePC >> 2)))
{
// This is for the new block being compiled now
CPU_Message("***** Continuing static SubBlock (jump table entry added for PC: %04X at X86: %08X) *****", CompilePC, RecompPos);
*(JumpTable + (CompilePC >> 2)) = RecompPos;
CurrentBlock.CurrPC = CompilePC;
// Reorder from after delay to next label or branch
ReOrderSubBlock(&CurrentBlock);
}
else
{
CompilerLinkBlocks();
}
break;
case FINISH_BLOCK: break;
default:
DisplayError("RSP main loop\n\nWTF NextInstruction = %d", NextInstruction);
CompilePC += 4;
break;
}
} while (NextInstruction != FINISH_BLOCK && (CompilePC < 0x1000 || NextInstruction == DELAY_SLOT));
CPU_Message("===== End of recompiled code =====");
if (Compiler.bReOrdering)
{
memcpy(RSPInfo.IMEM, IMEM_SAVE, 0x1000);
}
free(IMEM_SAVE);
}
DWORD RunRecompilerCPU(DWORD Cycles)
{
BYTE * Block;
RSP_Running = true;
SetJumpTable(JumpTableSize);
while (RSP_Running)
{
Block = (BYTE *)*(JumpTable + (*PrgCount >> 2));
if (Block == NULL)
{
if (Profiling && !IndvidualBlock)
{
StartTimer((DWORD)Timer_Compiling);
}
memset(&RspCode, 0, sizeof(RspCode));
#if defined(_MSC_VER)
__try
{
BuildBranchLabels();
DetectGPRConstants(&RspCode);
CompilerRSPBlock();
}
__except (EXCEPTION_EXECUTE_HANDLER)
{
DisplayError("Error CompilePC = %08X", CompilePC);
ClearAllx86Code();
continue;
}
#else
BuildBranchLabels();
DetectGPRConstants(&RspCode);
CompilerRSPBlock();
#endif
Block = (BYTE *)*(JumpTable + (*PrgCount >> 2));
// We are done compiling, but we may have references
// to fill in still either from this block, or jumps
// that go out of it, let's rock
LinkBranches(&CurrentBlock);
if (Profiling && !IndvidualBlock)
{
StopTimer();
}
}
if (Profiling && IndvidualBlock)
{
StartTimer(*PrgCount);
}
#if defined(_M_IX86) && defined(_MSC_VER)
_asm {
pushad
call Block
popad
}
#else
DebugBreak();
#endif
if (Profiling && IndvidualBlock)
{
StopTimer();
}
if (RSP_NextInstruction == SINGLE_STEP)
{
RSP_Running = false;
}
}
if (IsMmxEnabled)
{
#if defined(_M_IX86) && defined(_MSC_VER)
_asm emms
#else
DebugBreak();
#endif
}
return Cycles;
}
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