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/*
* Copyright (C) 2016 Veertu Inc,
* Copyright (C) 2017 Google Inc,
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef X86_EMU_H
#define X86_EMU_H
#include "x86.h"
#include "x86_decode.h"
#include "cpu.h"
struct x86_emul_ops {
void (*read_mem)(CPUState *cpu, void *data, target_ulong addr, int bytes);
void (*write_mem)(CPUState *cpu, void *data, target_ulong addr, int bytes);
void (*read_segment_descriptor)(CPUState *cpu, struct x86_segment_descriptor *desc,
enum X86Seg seg);
void (*handle_io)(CPUState *cpu, uint16_t port, void *data, int direction,
int size, int count);
void (*simulate_rdmsr)(CPUState *cs);
void (*simulate_wrmsr)(CPUState *cs);
};
extern const struct x86_emul_ops *emul_ops;
void init_emu(const struct x86_emul_ops *ops);
bool exec_instruction(CPUX86State *env, struct x86_decode *ins);
void x86_emul_raise_exception(CPUX86State *env, int exception_index, int error_code);
target_ulong read_reg(CPUX86State *env, int reg, int size);
void write_reg(CPUX86State *env, int reg, target_ulong val, int size);
target_ulong read_val_from_reg(target_ulong reg_ptr, int size);
void write_val_to_reg(target_ulong reg_ptr, target_ulong val, int size);
void write_val_ext(CPUX86State *env, target_ulong ptr, target_ulong val, int size);
uint8_t *read_mmio(CPUX86State *env, target_ulong ptr, int bytes);
target_ulong read_val_ext(CPUX86State *env, target_ulong ptr, int size);
void exec_movzx(CPUX86State *env, struct x86_decode *decode);
void exec_shl(CPUX86State *env, struct x86_decode *decode);
void exec_movsx(CPUX86State *env, struct x86_decode *decode);
void exec_ror(CPUX86State *env, struct x86_decode *decode);
void exec_rol(CPUX86State *env, struct x86_decode *decode);
void exec_rcl(CPUX86State *env, struct x86_decode *decode);
void exec_rcr(CPUX86State *env, struct x86_decode *decode);
#endif
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