ppsspp/Core/MIPS/MIPSDebugInterface.h
2025-03-31 10:24:03 +02:00

130 lines
3.4 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 "Common/Math/expression_parser.h"
#include "Core/MIPS/MIPS.h"
#include "Core/Debugger/DebugInterface.h"
class MIPSDebugInterface : public DebugInterface
{
MIPSState *cpu;
public:
MIPSDebugInterface(MIPSState *_cpu) { cpu = _cpu; }
int getInstructionSize(int instruction) { return 4; }
bool isAlive();
bool isBreakpoint(unsigned int address);
void setBreakpoint(unsigned int address);
void clearBreakpoint(unsigned int address);
void clearAllBreakpoints();
void toggleBreakpoint(unsigned int address);
unsigned int readMemory(unsigned int address);
int getColor(unsigned int address, bool darkMode) const;
std::string getDescription(unsigned int address);
u32 GetGPR32Value(int reg) const override { return cpu->r[reg]; }
float GetFPR32Value(int reg) const { return cpu->f[reg]; }
void SetGPR32Value(int reg, u32 value) { cpu->r[reg] = value; }
u32 GetPC() const override { return cpu->pc; }
u32 GetRA() const override { return cpu->r[MIPS_REG_RA]; }
u32 GetFPCond() const override { return cpu->fpcond; }
void SetPC(u32 _pc) override { cpu->pc = _pc; }
static const char *GetCategoryName(int cat) {
static const char *const names[3] = { "GPR", "FPU", "VFPU" };
return names[cat];
}
static int GetNumCategories() { return 3; }
static constexpr int GetNumRegsInCategory(int cat) {
constexpr int r[3] = { 32, 32, 128 };
return r[cat];
}
static std::string GetRegName(int cat, int index);
void PrintRegValue(int cat, int index, char *out, size_t outSize) const override {
switch (cat) {
case 0: snprintf(out, outSize, "%08X", cpu->r[index]); break;
case 1: snprintf(out, outSize, "%f", cpu->f[index]); break;
case 2: snprintf(out, outSize, "N/A"); break;
}
}
u32 GetHi() const override {
return cpu->hi;
}
u32 GetLLBit() const override {
return cpu->llBit;
}
u32 GetLo() const 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) const override {
switch (cat) {
case 0:
return cpu->r[index];
case 1:
return cpu->fi[index];
case 2:
return cpu->vi[voffset[index]];
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:
cpu->fi[index] = value;
break;
case 2:
cpu->vi[voffset[index]] = value;
break;
default:
break;
}
}
};
bool initExpression(const DebugInterface *debug, const char* exp, PostfixExpression& dest);
bool parseExpression(const DebugInterface *debug, PostfixExpression& exp, u32& dest);
void DisAsm(u32 pc, char *out, size_t outSize);