mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2024-12-31 00:30:55 +01:00
107 lines
4.1 KiB
C++
107 lines
4.1 KiB
C++
// Copyright 2014 Dolphin Emulator Project
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
/* $VER: ppc_disasm.h V1.6 (09.12.2011)
|
|
*
|
|
* Disassembler module for the PowerPC microprocessor family
|
|
* Copyright (c) 1998-2001,2009,2011 Frank Wille
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
// Modified for use with Dolphin
|
|
|
|
#pragma once
|
|
|
|
#include <string>
|
|
#include <string_view>
|
|
|
|
#include "Common/CommonTypes.h"
|
|
|
|
namespace Common
|
|
{
|
|
class GekkoDisassembler final
|
|
{
|
|
public:
|
|
static std::string Disassemble(u32 opcode, u32 current_instruction_address,
|
|
bool big_endian = true);
|
|
static const char* GetGPRName(u32 index);
|
|
static const char* GetFPRName(u32 index);
|
|
|
|
private:
|
|
GekkoDisassembler() = delete;
|
|
|
|
static void ill(u32 in);
|
|
static std::string imm(u32 in, int uimm, int type, bool hex);
|
|
|
|
static std::string ra_rb(u32 in);
|
|
static std::string rd_ra_rb(u32 in, int mask);
|
|
static std::string fd_ra_rb(u32 in);
|
|
|
|
static void trapi(u32 in, unsigned char dmode);
|
|
static void cmpi(u32 in, int uimm);
|
|
static void addi(u32 in, std::string_view ext);
|
|
static size_t branch(u32 in, std::string_view bname, int aform, int bdisp);
|
|
static void bc(u32 in);
|
|
static void bli(u32 in);
|
|
static void mcrf(u32 in, std::string_view suffix);
|
|
static void crop(u32 in, std::string_view n1, std::string_view n2);
|
|
static void nooper(u32 in, std::string_view name);
|
|
static void rlw(u32 in, std::string_view name, int i);
|
|
static void ori(u32 in, std::string_view name);
|
|
static void rld(u32 in, std::string_view name, int i);
|
|
static void cmp(u32 in);
|
|
static void trap(u32 in, unsigned char dmode);
|
|
static void dab(u32 in, std::string_view name, int mask, int smode, int chkoe, int chkrc);
|
|
static void rrn(u32 in, std::string_view name, int smode, int chkoe, int chkrc);
|
|
static void mtcr(u32 in);
|
|
static void msr(u32 in, int smode);
|
|
static void mspr(u32 in, int smode);
|
|
static void mtb(u32 in);
|
|
static void sradi(u32 in);
|
|
static void ldst(u32 in, std::string_view name, char reg);
|
|
static void fdabc(u32 in, std::string_view name, int mask, unsigned char dmode);
|
|
static void fmr(u32 in);
|
|
static void fdab(u32 in, std::string_view name);
|
|
static void fcmp(u32 in, char c);
|
|
static void mtfsb(u32 in, int n);
|
|
static void ps(u32 inst);
|
|
static void ps_mem(u32 inst);
|
|
|
|
static u32* DoDisassembly(bool big_endian);
|
|
|
|
enum Flags
|
|
{
|
|
PPCF_ILLEGAL = (1 << 0), // Illegal PowerPC instruction
|
|
PPCF_UNSIGNED = (1 << 1), // Unsigned immediate instruction
|
|
PPCF_SUPER = (1 << 2), // Supervisor level instruction
|
|
PPCF_64 = (1 << 3), // 64-bit only instruction
|
|
};
|
|
|
|
static u32* m_instr; // Pointer to instruction to disassemble
|
|
static u32* m_iaddr; // Instruction.address., usually the same as instr
|
|
static std::string m_opcode; // Buffer for opcode, min. 10 chars.
|
|
static std::string m_operands; // Operand buffer, min. 24 chars.
|
|
};
|
|
} // namespace Common
|