Mercurial > repos > blastem
annotate backend.h @ 2256:cbe1ba70c247
Fix build after scope clock fix
author | Michael Pavone <pavone@retrodev.com> |
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date | Tue, 13 Dec 2022 00:15:24 -0800 |
parents | 8554751f17b5 |
children | bf4f1a8d1d48 |
rev | line source |
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1 /* |
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2 Copyright 2013 Michael Pavone |
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3 This file is part of BlastEm. |
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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. |
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5 */ |
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6 #ifndef BACKEND_H_ |
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7 #define BACKEND_H_ |
211 | 8 |
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9 #include <stdint.h> |
556 | 10 #include <stdio.h> |
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11 #include "gen.h" |
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12 |
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13 #define INVALID_OFFSET 0xFFFFFFFF |
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14 #define EXTENSION_WORD 0xFFFFFFFE |
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15 #define CYCLE_NEVER 0xFFFFFFFF |
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16 |
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17 #if defined(X86_32) || defined(X86_64) |
211 | 18 typedef struct { |
19 int32_t disp; | |
20 uint8_t mode; | |
21 uint8_t base; | |
22 uint8_t index; | |
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23 } host_ea; |
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24 #else |
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25 typedef struct { |
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26 int32_t disp; |
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27 uint8_t mode; |
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28 uint8_t base; |
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29 } host_ea; |
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30 #endif |
211 | 31 |
32 typedef struct { | |
33 uint8_t *base; | |
34 int32_t *offsets; | |
35 } native_map_slot; | |
36 | |
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37 typedef struct deferred_addr { |
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38 struct deferred_addr *next; |
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39 code_ptr dest; |
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40 uint32_t address; |
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41 } deferred_addr; |
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42 |
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43 #include "memmap.h" |
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44 #include "system.h" |
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45 |
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46 typedef struct { |
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47 uint32_t flags; |
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48 native_map_slot *native_code_map; |
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49 deferred_addr *deferred; |
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50 code_info code; |
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51 uint8_t **ram_inst_sizes; |
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52 memmap_chunk const *memmap; |
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53 code_ptr save_context; |
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54 code_ptr load_context; |
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55 code_ptr handle_cycle_limit; |
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56 code_ptr handle_cycle_limit_int; |
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57 code_ptr handle_code_write; |
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58 code_ptr handle_align_error_write; |
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59 code_ptr handle_align_error_read; |
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60 system_str_fun_r8 debug_cmd_handler; |
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61 uint32_t memmap_chunks; |
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62 uint32_t address_mask; |
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63 uint32_t max_address; |
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64 uint32_t bus_cycles; |
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65 uint32_t clock_divider; |
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66 uint32_t move_pc_off; |
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67 uint32_t move_pc_size; |
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68 int32_t mem_ptr_off; |
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69 int32_t ram_flags_off; |
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70 uint8_t ram_flags_shift; |
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71 uint8_t address_size; |
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72 uint8_t byte_swap; |
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73 int8_t context_reg; |
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74 int8_t cycles; |
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75 int8_t limit; |
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76 int8_t scratch1; |
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77 int8_t scratch2; |
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78 uint8_t align_error_mask; |
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79 } cpu_options; |
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80 |
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81 typedef uint8_t * (*native_addr_func)(void * context, uint32_t address); |
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82 |
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83 deferred_addr * defer_address(deferred_addr * old_head, uint32_t address, uint8_t *dest); |
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84 void remove_deferred_until(deferred_addr **head_ptr, deferred_addr * remove_to); |
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85 void process_deferred(deferred_addr ** head_ptr, void * context, native_addr_func get_native); |
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86 |
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87 void cycles(cpu_options *opts, uint32_t num); |
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88 void check_cycles_int(cpu_options *opts, uint32_t address); |
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89 void check_cycles(cpu_options * opts); |
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90 void check_code_prologue(code_info *code); |
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91 void log_address(cpu_options *opts, uint32_t address, char * format); |
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92 |
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93 void retranslate_calc(cpu_options *opts); |
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94 void patch_for_retranslate(cpu_options *opts, code_ptr native_address, code_ptr handler); |
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95 void defer_translation(cpu_options *opts, uint32_t address, code_ptr handler); |
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96 |
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97 code_ptr gen_mem_fun(cpu_options * opts, memmap_chunk const * memmap, uint32_t num_chunks, ftype fun_type, code_ptr *after_inc); |
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98 void * get_native_pointer(uint32_t address, void ** mem_pointers, cpu_options * opts); |
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99 void * get_native_write_pointer(uint32_t address, void ** mem_pointers, cpu_options * opts); |
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100 uint16_t read_word(uint32_t address, void **mem_pointers, cpu_options *opts, void *context); |
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101 void write_word(uint32_t address, uint16_t value, void **mem_pointers, cpu_options *opts, void *context); |
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102 uint8_t read_byte(uint32_t address, void **mem_pointers, cpu_options *opts, void *context); |
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103 void write_byte(uint32_t address, uint8_t value, void **mem_pointers, cpu_options *opts, void *context); |
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104 memmap_chunk const *find_map_chunk(uint32_t address, cpu_options *opts, uint16_t flags, uint32_t *size_sum); |
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105 uint32_t chunk_size(cpu_options *opts, memmap_chunk const *chunk); |
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106 uint32_t ram_size(cpu_options *opts); |
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107 |
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acec5464fa1e
Rename x86_backend.h and x86_backend.c to backend.h and backend.c respectively
Mike Pavone <pavone@retrodev.com>
parents:
556
diff
changeset
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108 #endif //BACKEND_H_ |
211 | 109 |