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/*
Copyright 2013 Michael Pavone
This file is part of BlastEm.
BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
*/
#ifndef M68K_TO_X86_H_
#define M68K_TO_X86_H_
#include <stdint.h>
#include <stdio.h>
#include "x86_backend.h"
//#include "68kinst.h"
struct m68kinst;
#define NUM_MEM_AREAS 4
#define NATIVE_MAP_CHUNKS (64*1024)
#define NATIVE_CHUNK_SIZE ((16 * 1024 * 1024 / NATIVE_MAP_CHUNKS)/2)
#define MAX_NATIVE_SIZE 255
#define OPT_NATIVE_CALL_STACK 0x1
typedef struct {
uint32_t flags;
int8_t dregs[8];
int8_t aregs[8];
native_map_slot *native_code_map;
deferred_addr *deferred;
uint8_t *cur_code;
uint8_t *code_end;
uint8_t **ram_inst_sizes;
FILE *address_log;
uint8_t *read_16;
uint8_t *write_16;
uint8_t *read_8;
uint8_t *write_8;
uint8_t *read_32;
uint8_t *write_32_lowfirst;
uint8_t *write_32_highfirst;
uint8_t *handle_cycle_limit_int;
uint8_t *trap;
} x86_68k_options;
typedef struct {
uint8_t flags[5];
uint8_t status;
uint16_t int_ack;
uint32_t dregs[8];
uint32_t aregs[9];
uint32_t target_cycle; //cycle at which the next synchronization or interrupt occurs
uint32_t current_cycle;
uint32_t sync_cycle;
uint32_t int_cycle;
uint32_t int_num;
uint16_t *mem_pointers[NUM_MEM_AREAS];
void *video_context;
uint16_t reserved;
native_map_slot *native_code_map;
void *options;
uint8_t ram_code_flags[32/8];
void *system;
} m68k_context;
uint8_t * translate_m68k(uint8_t * dst, struct m68kinst * inst, x86_68k_options * opts);
uint8_t * translate_m68k_stream(uint32_t address, m68k_context * context);
void start_68k_context(m68k_context * context, uint32_t address);
void init_x86_68k_opts(x86_68k_options * opts, memmap_chunk * memmap, uint32_t num_chunks);
void init_68k_context(m68k_context * context, native_map_slot * native_code_map, void * opts);
void m68k_reset(m68k_context * context);
void insert_breakpoint(m68k_context * context, uint32_t address, uint8_t * bp_handler);
void remove_breakpoint(m68k_context * context, uint32_t address);
m68k_context * m68k_handle_code_write(uint32_t address, m68k_context * context);
#endif //M68K_TO_X86_H_
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