mirror of
https://github.com/libretro/ppsspp.git
synced 2024-12-14 20:48:30 +00:00
361 lines
8.2 KiB
C++
361 lines
8.2 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, version 2.0 or later versions.
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License 2.0 for more details.
|
|
|
|
// A copy of the GPL 2.0 should have been included with the program.
|
|
// If not, see http://www.gnu.org/licenses/
|
|
|
|
// Official git repository and contact information can be found at
|
|
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
|
|
|
|
#include "../HLE/HLE.h"
|
|
#include "MIPS.h"
|
|
#include "MIPSDis.h"
|
|
#include "MIPSTables.h"
|
|
#include "MIPSDebugInterface.h"
|
|
|
|
#include "JitCommon/JitCommon.h"
|
|
|
|
#define _RS ((op>>21) & 0x1F)
|
|
#define _RT ((op>>16) & 0x1F)
|
|
#define _RD ((op>>11) & 0x1F)
|
|
#define _FS ((op>>11) & 0x1F)
|
|
#define _FT ((op>>16) & 0x1F)
|
|
#define _FD ((op>>6 ) & 0x1F)
|
|
#define _POS ((op>>6 ) & 0x1F)
|
|
#define _SIZE ((op>>11 ) & 0x1F)
|
|
|
|
#define RN(i) currentDebugMIPS->GetRegName(0,i)
|
|
#define FN(i) currentDebugMIPS->GetRegName(1,i)
|
|
//#define VN(i) currentMIPS->GetRegName(2,i)
|
|
|
|
u32 disPC;
|
|
|
|
namespace MIPSDis
|
|
{
|
|
// One shot, not re-entrant.
|
|
const char *SignedHex(int i)
|
|
{
|
|
static char temp[32];
|
|
int offset = 0;
|
|
if (i < 0)
|
|
{
|
|
temp[0] = '-';
|
|
offset = 1;
|
|
i = -i;
|
|
}
|
|
|
|
sprintf(&temp[offset], "0x%X", i);
|
|
return temp;
|
|
}
|
|
|
|
void Dis_Generic(MIPSOpcode op, char *out)
|
|
{
|
|
sprintf(out, "%s\t --- unknown ---", MIPSGetName(op));
|
|
}
|
|
|
|
void Dis_mxc1(MIPSOpcode op, char *out)
|
|
{
|
|
int fs = _FS;
|
|
int rt = _RT;
|
|
const char *name = MIPSGetName(op);
|
|
sprintf(out, "%s\t%s, %s",name,RN(rt),FN(fs));
|
|
}
|
|
|
|
void Dis_FPU3op(MIPSOpcode op, char *out)
|
|
{
|
|
int ft = _FT;
|
|
int fs = _FS;
|
|
int fd = _FD;
|
|
const char *name = MIPSGetName(op);
|
|
sprintf(out, "%s\t%s, %s, %s",name,FN(fd),FN(fs),FN(ft));
|
|
}
|
|
|
|
void Dis_FPU2op(MIPSOpcode op, char *out)
|
|
{
|
|
int fs = _FS;
|
|
int fd = _FD;
|
|
const char *name = MIPSGetName(op);
|
|
sprintf(out, "%s\t%s, %s",name,FN(fd),FN(fs));
|
|
}
|
|
|
|
void Dis_FPULS(MIPSOpcode op, char *out)
|
|
{
|
|
int offset = (signed short)(op&0xFFFF);
|
|
int ft = _FT;
|
|
int rs = _RS;
|
|
const char *name = MIPSGetName(op);
|
|
sprintf(out, "%s\t%s, %s(%s)",name,FN(ft),SignedHex(offset),RN(rs));
|
|
}
|
|
void Dis_FPUComp(MIPSOpcode op, char *out)
|
|
{
|
|
int fs = _FS;
|
|
int ft = _FT;
|
|
const char *name = MIPSGetName(op);
|
|
sprintf(out, "%s\t%s, %s",name,FN(fs),FN(ft));
|
|
}
|
|
|
|
void Dis_FPUBranch(MIPSOpcode op, char *out)
|
|
{
|
|
u32 off = disPC;
|
|
int imm = (signed short)(op&0xFFFF)<<2;
|
|
off += imm + 4;
|
|
const char *name = MIPSGetName(op);
|
|
sprintf(out, "%s\t->$%08x",name,off);
|
|
}
|
|
|
|
void Dis_RelBranch(MIPSOpcode op, char *out)
|
|
{
|
|
u32 off = disPC;
|
|
int imm = (signed short)(op&0xFFFF)<<2;
|
|
int rs = _RS;
|
|
off += imm + 4;
|
|
|
|
const char *name = MIPSGetName(op);
|
|
sprintf(out, "%s\t%s, ->$%08x",name,RN(rs),off);
|
|
}
|
|
|
|
void Dis_Syscall(MIPSOpcode op, char *out)
|
|
{
|
|
u32 callno = (op>>6) & 0xFFFFF; //20 bits
|
|
int funcnum = callno & 0xFFF;
|
|
int modulenum = (callno & 0xFF000) >> 12;
|
|
sprintf(out, "syscall\t %s",/*PSPHLE::GetModuleName(modulenum),*/GetFuncName(modulenum, funcnum));
|
|
}
|
|
|
|
void Dis_ToHiloTransfer(MIPSOpcode op, char *out)
|
|
{
|
|
int rs = _RS;
|
|
const char *name = MIPSGetName(op);
|
|
sprintf(out, "%s\t%s",name,RN(rs));
|
|
}
|
|
void Dis_FromHiloTransfer(MIPSOpcode op, char *out)
|
|
{
|
|
int rd = _RD;
|
|
const char *name = MIPSGetName(op);
|
|
sprintf(out, "%s\t%s",name,RN(rd));
|
|
}
|
|
|
|
void Dis_RelBranch2(MIPSOpcode op, char *out)
|
|
{
|
|
u32 off = disPC;
|
|
int imm = (signed short)(op&0xFFFF)<<2;
|
|
int rt = _RT;
|
|
int rs = _RS;
|
|
off += imm + 4;
|
|
|
|
const char *name = MIPSGetName(op);
|
|
int o = op>>26;
|
|
if (o==4 && rs == rt)//beq
|
|
sprintf(out,"b\t->$%08x",off);
|
|
else if (o==20 && rs == rt)//beql
|
|
sprintf(out,"bl\t->$%08x",off);
|
|
else
|
|
sprintf(out, "%s\t%s, %s, ->$%08x",name,RN(rt),RN(rs),off);
|
|
}
|
|
|
|
void Dis_IType(MIPSOpcode op, char *out)
|
|
{
|
|
s32 simm = (s32)(s16)(op & 0xFFFF);
|
|
u32 uimm = (u32)(u16)(op & 0xFFFF);
|
|
u32 suimm = (u32)simm;
|
|
|
|
int rt = _RT;
|
|
int rs = _RS;
|
|
const char *name = MIPSGetName(op);
|
|
switch (op >> 26)
|
|
{
|
|
case 8: //addi
|
|
case 9: //addiu
|
|
case 10: //slti
|
|
sprintf(out, "%s\t%s, %s, %s",name,RN(rt),RN(rs),SignedHex(simm));
|
|
break;
|
|
case 11: //sltiu
|
|
sprintf(out, "%s\t%s, %s, 0x%X",name,RN(rt),RN(rs),suimm);
|
|
break;
|
|
default:
|
|
sprintf(out, "%s\t%s, %s, 0x%X",name,RN(rt),RN(rs),uimm);
|
|
break;
|
|
}
|
|
}
|
|
void Dis_ori(MIPSOpcode op, char *out)
|
|
{
|
|
s32 simm = (s32)(s16)(op & 0xFFFF);
|
|
u32 uimm = (u32)(u16)(op & 0xFFFF);
|
|
int rt = _RT;
|
|
int rs = _RS;
|
|
const char *name = MIPSGetName(op);
|
|
if (rs == 0)
|
|
sprintf(out, "li\t%s, 0x%X",RN(rt),uimm);
|
|
else
|
|
sprintf(out, "%s\t%s, %s, 0x%X",name,RN(rt),RN(rs),uimm);
|
|
}
|
|
|
|
void Dis_IType1(MIPSOpcode op, char *out)
|
|
{
|
|
u32 uimm = (u32)(u16)(op & 0xFFFF);
|
|
int rt = _RT;
|
|
const char *name = MIPSGetName(op);
|
|
sprintf(out, "%s\t%s, 0x%X",name,RN(rt),uimm);
|
|
}
|
|
|
|
void Dis_addi(MIPSOpcode op, char *out)
|
|
{
|
|
int imm = (signed short)(op&0xFFFF);
|
|
int rt = _RT;
|
|
int rs = _RS;
|
|
if (rs == 0)
|
|
sprintf(out, "li\t%s, %s",RN(rt),SignedHex(imm));
|
|
else
|
|
Dis_IType(op,out);
|
|
}
|
|
|
|
void Dis_ITypeMem(MIPSOpcode op, char *out)
|
|
{
|
|
int imm = (signed short)(op&0xFFFF);
|
|
int rt = _RT;
|
|
int rs = _RS;
|
|
const char *name = MIPSGetName(op);
|
|
sprintf(out, "%s\t%s, %s(%s)",name,RN(rt),SignedHex(imm),RN(rs));
|
|
}
|
|
|
|
void Dis_RType2(MIPSOpcode op, char *out)
|
|
{
|
|
int rs = _RS;
|
|
int rd = _RD;
|
|
const char *name = MIPSGetName(op);
|
|
sprintf(out, "%s\t%s, %s",name,RN(rd),RN(rs));
|
|
}
|
|
|
|
void Dis_RType3(MIPSOpcode op, char *out)
|
|
{
|
|
int rt = _RT;
|
|
int rs = _RS;
|
|
int rd = _RD;
|
|
const char *name = MIPSGetName(op);
|
|
sprintf(out, "%s\t%s, %s, %s",name,RN(rd),RN(rs),RN(rt));
|
|
}
|
|
|
|
void Dis_addu(MIPSOpcode op, char *out)
|
|
{
|
|
int rt = _RT;
|
|
int rs = _RS;
|
|
int rd = _RD;
|
|
const char *name = MIPSGetName(op);
|
|
if (rs==0 && rt==0)
|
|
sprintf(out,"li\t%s, 0",RN(rd));
|
|
else if (rs == 0)
|
|
sprintf(out,"mov\t%s, %s",RN(rd),RN(rt));
|
|
else if (rt == 0)
|
|
sprintf(out,"mov\t%s, %s",RN(rd),RN(rs));
|
|
else
|
|
sprintf(out, "%s\t%s, %s, %s",name,RN(rd),RN(rs),RN(rt));
|
|
}
|
|
|
|
void Dis_ShiftType(MIPSOpcode op, char *out)
|
|
{
|
|
int rt = _RT;
|
|
int rs = _RS;
|
|
int rd = _RD;
|
|
int sa = (op>>6) & 0x1F;
|
|
const char *name = MIPSGetName(op);
|
|
if (((op & 0x3f) == 2) && rs == 1)
|
|
name = "rotr";
|
|
if (((op & 0x3f) == 6) && sa == 1)
|
|
name = "rotrv";
|
|
sprintf(out, "%s\t%s, %s, 0x%X",name,RN(rd),RN(rt),sa);
|
|
}
|
|
|
|
void Dis_VarShiftType(MIPSOpcode op, char *out)
|
|
{
|
|
int rt = _RT;
|
|
int rs = _RS;
|
|
int rd = _RD;
|
|
const char *name = MIPSGetName(op);
|
|
sprintf(out, "%s\t%s, %s, %s",name,RN(rd),RN(rt),RN(rs));
|
|
}
|
|
|
|
|
|
void Dis_MulDivType(MIPSOpcode op, char *out)
|
|
{
|
|
int rt = _RT;
|
|
int rs = _RS;
|
|
const char *name = MIPSGetName(op);
|
|
sprintf(out, "%s\t%s, %s",name,RN(rs),RN(rt));
|
|
}
|
|
|
|
|
|
void Dis_Special3(MIPSOpcode op, char *out)
|
|
{
|
|
int rs = _RS;
|
|
int Rt = _RT;
|
|
int pos = _POS;
|
|
const char *name = MIPSGetName(op);
|
|
|
|
switch (op & 0x3f)
|
|
{
|
|
case 0x0: //ext
|
|
{
|
|
int size = _SIZE + 1;
|
|
sprintf(out,"%s\t%s, %s, 0x%X, 0x%X",name,RN(Rt),RN(rs),pos,size);
|
|
}
|
|
break;
|
|
case 0x4: // ins
|
|
{
|
|
int size = (_SIZE + 1) - pos;
|
|
sprintf(out,"%s\t%s, %s, 0x%X, 0x%X",name,RN(Rt),RN(rs),pos,size);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
void Dis_JumpType(MIPSOpcode op, char *out)
|
|
{
|
|
u32 off = ((op & 0x03FFFFFF) << 2);
|
|
u32 addr = (disPC & 0xF0000000) | off;
|
|
const char *name = MIPSGetName(op);
|
|
sprintf(out, "%s\t->$%08x",name,addr);
|
|
}
|
|
void Dis_JumpRegType(MIPSOpcode op, char *out)
|
|
{
|
|
int rs = (op>>21)&0x1f;
|
|
const char *name = MIPSGetName(op);
|
|
sprintf(out, "%s\t->%s",name,RN(rs));
|
|
|
|
}
|
|
|
|
void Dis_Allegrex(MIPSOpcode op, char *out)
|
|
{
|
|
int rt = _RT;
|
|
int rd = _RD;
|
|
const char *name = MIPSGetName(op);
|
|
sprintf(out,"%s\t%s,%s",name,RN(rd),RN(rt));
|
|
}
|
|
|
|
void Dis_Allegrex2(MIPSOpcode op, char *out)
|
|
{
|
|
int rt = _RT;
|
|
int rd = _RD;
|
|
const char *name = MIPSGetName(op);
|
|
sprintf(out,"%s\t%s,%s",name,RN(rd),RN(rt));
|
|
}
|
|
|
|
void Dis_Emuhack(MIPSOpcode op, char *out)
|
|
{
|
|
//const char *name = MIPSGetName(op);
|
|
//sprintf(out,"%s\t-",name);
|
|
out[0]='*';
|
|
out[1]=0;
|
|
// MIPSDisAsm(MIPSComp::GetOriginalOp(op), currentDebugMIPS->GetPC(), out+1);
|
|
}
|
|
|
|
|
|
}
|