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comparison x86_backend.h @ 555:5af986d2b9da

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Start work on refactoring some of the backend code to allow more sharing between M68K and Z80 cores and possibly also between x86 and the ARM backend when it exists
author Michael Pavone <pavone@retrodev.com>
date Mon, 24 Feb 2014 00:39:02 -0800
parents 140af5509ce7
children 34dfa9b24c7b
comparison
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554:474270dbff15 555:5af986d2b9da
1 /* 1 /*
2 Copyright 2013 Michael Pavone 2 Copyright 2013 Michael Pavone
3 This file is part of BlastEm. 3 This file is part of BlastEm.
4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text. 4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
5 */ 5 */
6 #ifndef X86_BACKEND_H_ 6 #ifndef X86_BACKEND_H_
7 #define X86_BACKEND_H_ 7 #define X86_BACKEND_H_
8 8
27 typedef struct deferred_addr { 27 typedef struct deferred_addr {
28 struct deferred_addr *next; 28 struct deferred_addr *next;
29 uint8_t *dest; 29 uint8_t *dest;
30 uint32_t address; 30 uint32_t address;
31 } deferred_addr; 31 } deferred_addr;
32
33 typedef enum {
34 READ_16,
35 READ_8,
36 WRITE_16,
37 WRITE_8
38 } ftype;
39
40 typedef struct {
41 uint32_t flags;
42 native_map_slot *native_code_map;
43 deferred_addr *deferred;
44 uint8_t *cur_code;
45 uint8_t *code_end;
46 uint8_t **ram_inst_sizes;
47 FILE *address_log;
48 uint8_t *save_context;
49 uint8_t *load_context;
50 uint8_t *handle_cycle_limit;
51 uint8_t *handle_cycle_limit_int;
52 uint8_t context_reg;
53 uint8_t scratch1;
54 uint8_t scratch2;
55 } cpu_options;
32 56
33 57
34 #define MMAP_READ 0x01 58 #define MMAP_READ 0x01
35 #define MMAP_WRITE 0x02 59 #define MMAP_WRITE 0x02
36 #define MMAP_CODE 0x04 60 #define MMAP_CODE 0x04