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/*
* Header file for nanoMIPS disassembler component of QEMU
*
* Copyright (C) 2018 Wave Computing, Inc.
* Copyright (C) 2018 Matthew Fortune <matthew.fortune@mips.com>
* Copyright (C) 2018 Aleksandar Markovic <amarkovic@wavecomp.com>
*
* 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, either version 2 of the License, or
* (at your option) any later version.
*
* 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
#ifndef DISAS_NANOMIPS_H
#define DISAS_NANOMIPS_H
#include <string>
typedef int64_t int64;
typedef uint64_t uint64;
typedef uint32_t uint32;
typedef uint16_t uint16;
typedef uint64_t img_address;
enum TABLE_ENTRY_TYPE {
instruction,
call_instruction,
branch_instruction,
return_instruction,
reserved_block,
pool,
};
enum TABLE_ATTRIBUTE_TYPE {
MIPS64_ = 0x00000001,
XNP_ = 0x00000002,
XMMS_ = 0x00000004,
EVA_ = 0x00000008,
DSP_ = 0x00000010,
MT_ = 0x00000020,
EJTAG_ = 0x00000040,
TLBINV_ = 0x00000080,
CP0_ = 0x00000100,
CP1_ = 0x00000200,
CP2_ = 0x00000400,
UDI_ = 0x00000800,
MCU_ = 0x00001000,
VZ_ = 0x00002000,
TLB_ = 0x00004000,
MVH_ = 0x00008000,
ALL_ATTRIBUTES = 0xffffffffull,
};
typedef struct Dis_info {
img_address m_pc;
} Dis_info;
typedef bool (*conditional_function)(uint64 instruction);
typedef std::string (*disassembly_function)(uint64 instruction,
Dis_info *info);
typedef struct Pool {
TABLE_ENTRY_TYPE type;
const struct Pool *next_table;
int next_table_size;
int instructions_size;
uint64 mask;
uint64 value;
disassembly_function disassembly;
conditional_function condition;
uint64 attributes;
} Pool;
class NMD
{
public:
int Disassemble(const uint16 *data, std::string & dis,
TABLE_ENTRY_TYPE & type, Dis_info *info);
private:
uint64 extract_op_code_value(const uint16 *data, int size);
int Disassemble(const uint16 *data, std::string & dis,
TABLE_ENTRY_TYPE & type, const Pool *table, int table_size,
Dis_info *info);
};
#endif
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