ppsspp/Core/MIPS/MIPSDebugInterface.h
2014-12-08 15:20:31 -05:00

143 lines
3.5 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/.
#pragma once
#include <string>
#include <cstring>
#include <cstdio>
#include "Core/MIPS/MIPS.h"
#include "Core/Debugger/DebugInterface.h"
class MIPSDebugInterface : public DebugInterface
{
MIPSState *cpu;
public:
MIPSDebugInterface(MIPSState *_cpu) { cpu = _cpu; }
const char *disasm(unsigned int address, unsigned int align) override;
int getInstructionSize(int instruction) override { return 4; }
bool isAlive() override;
bool isBreakpoint(unsigned int address) override;
void setBreakpoint(unsigned int address) override;
void clearBreakpoint(unsigned int address) override;
void clearAllBreakpoints() override;
void toggleBreakpoint(unsigned int address) override;
unsigned int readMemory(unsigned int address) override;
unsigned int getPC() override { return cpu->pc; }
void setPC(unsigned int address) override { cpu->pc = address; }
void step() override {}
void runToBreakpoint() override;
int getColor(unsigned int address) override;
std::string getDescription(unsigned int address) override;
bool initExpression(const char* exp, PostfixExpression& dest) override;
bool parseExpression(PostfixExpression& exp, u32& dest) override;
//overridden functions
const char *GetName() override;
int GetGPRSize() override { return GPR_SIZE_32; }
u32 GetGPR32Value(int reg) override { return cpu->r[reg]; }
u32 GetPC() override { return cpu->pc; }
u32 GetLR() override { return cpu->r[MIPS_REG_RA]; }
void SetPC(u32 _pc) override { cpu->pc = _pc; }
const char *GetCategoryName(int cat) override
{
const char *names[3] = {("GPR"),("FPU"),("VFPU")};
return names[cat];
}
int GetNumCategories() override { return 3; }
int GetNumRegsInCategory(int cat) override
{
int r[3] = {32,32,32};
return r[cat];
}
const char *GetRegName(int cat, int index) override;
void PrintRegValue(int cat, int index, char *out) override
{
switch (cat)
{
case 0: sprintf(out, "%08X", cpu->r[index]); break;
case 1: sprintf(out, "%f", cpu->f[index]); break;
case 2: sprintf(out, "N/A"); break;
}
}
u32 GetHi() override
{
return cpu->hi;
}
u32 GetLo() override
{
return cpu->lo;
}
void SetHi(u32 val) override
{
cpu->hi = val;
}
void SetLo(u32 val) override
{
cpu->lo = val;
}
u32 GetRegValue(int cat, int index) override
{
u32 temp;
switch (cat)
{
case 0:
return cpu->r[index];
case 1:
memcpy(&temp, &cpu->f[index], 4);
return temp;
case 2:
memcpy(&temp, &cpu->v[voffset[index]], 4);
return temp;
default:
return 0;
}
}
void SetRegValue(int cat, int index, u32 value) override
{
switch (cat)
{
case 0:
if (index != 0)
cpu->r[index] = value;
break;
case 1:
memcpy(&cpu->f[index], &value, 4);
break;
case 2:
memcpy(&cpu->v[voffset[index]], &value, 4);
break;
default:
break;
}
}
};