Mercurial > repos > blastem
view m68k_core.h @ 1022:4803f0246d27
Added tag v0.4.0 for changeset 4a92889e2889
author | Michael Pavone <pavone@retrodev.com> |
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date | Wed, 04 May 2016 00:50:54 -0700 |
parents | 784bc1e45e80 |
children | 2ec5e6eaf81d |
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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_CORE_H_ #define M68K_CORE_H_ #include <stdint.h> #include <stdio.h> #include "backend.h" //#include "68kinst.h" struct m68kinst; #define NUM_MEM_AREAS 8 #define NATIVE_MAP_CHUNKS (64*1024) #define NATIVE_CHUNK_SIZE ((16 * 1024 * 1024 / NATIVE_MAP_CHUNKS)) #define MAX_NATIVE_SIZE 255 #define M68K_OPT_BROKEN_READ_MODIFY 1 #define INT_PENDING_SR_CHANGE 8 typedef void (*start_fun)(uint8_t * addr, void * context); typedef struct { cpu_options gen; int8_t dregs[8]; int8_t aregs[8]; int8_t flag_regs[5]; FILE *address_log; code_ptr read_16; code_ptr write_16; code_ptr read_8; code_ptr write_8; code_ptr read_32; code_ptr write_32_lowfirst; code_ptr write_32_highfirst; code_ptr do_sync; code_ptr trap; start_fun start_context; code_ptr retrans_stub; code_ptr native_addr; code_ptr native_addr_and_sync; code_ptr get_sr; code_ptr set_sr; code_ptr set_ccr; } m68k_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; uint32_t last_prefetch_address; uint16_t *mem_pointers[NUM_MEM_AREAS]; code_ptr resume_pc; native_map_slot *native_code_map; m68k_options *options; void *system; uint8_t int_pending; uint8_t should_return; uint8_t ram_code_flags[]; } m68k_context; void translate_m68k(m68k_options * opts, struct m68kinst * inst); void translate_m68k_stream(uint32_t address, m68k_context * context); void start_68k_context(m68k_context * context, uint32_t address); void resume_68k(m68k_context *context); void init_m68k_opts(m68k_options * opts, memmap_chunk * memmap, uint32_t num_chunks, uint32_t clock_divider); m68k_context * init_68k_context(m68k_options * opts); void m68k_reset(m68k_context * context); void m68k_options_free(m68k_options *opts); 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); uint32_t get_instruction_start(m68k_options *opts, native_map_slot * native_code_map, uint32_t address); uint16_t m68k_get_ir(m68k_context *context); #endif //M68K_CORE_H_