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annotate jagdis.c @ 2138:b6338e18787e

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Fix some dynarec code invalidation issues
author Michael Pavone <pavone@retrodev.com>
date Sat, 19 Mar 2022 15:50:45 -0700
parents 4987fddd42a0
children
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rev   line source
1093
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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 #include <stdio.h>
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7 #include <stdlib.h>
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8 #include <string.h>
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9 #include <stdarg.h>
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10 #include <ctype.h>
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11 #include "tern.h"
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12 #include "util.h"
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13 #include "jagcpu.h"
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14
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15 uint8_t visited[(16*1024*1024)/16];
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16 uint16_t label[(16*1024*1024)/8];
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17
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18 void fatal_error(char *format, ...)
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19 {
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20 va_list args;
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21 va_start(args, format);
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22 vfprintf(stderr, format, args);
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23 va_end(args);
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24 exit(1);
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25 }
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26
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27
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28 void visit(uint32_t address)
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29 {
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30 address &= 0xFFFFFF;
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31 visited[address/16] |= 1 << ((address / 2) % 8);
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32 }
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33
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34 void reference(uint32_t address)
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35 {
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36 address &= 0xFFFFFF;
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37 //printf("referenced: %X\n", address);
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38 label[address/16] |= 1 << (address % 16);
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39 }
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40
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41 uint8_t is_visited(uint32_t address)
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42 {
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43 address &= 0xFFFFFF;
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44 return visited[address/16] & (1 << ((address / 2) % 8));
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45 }
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46
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47 uint16_t is_label(uint32_t address)
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48 {
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49 address &= 0xFFFFFF;
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50 return label[address/16] & (1 << (address % 16));
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51 }
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52
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53 typedef struct {
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54 uint32_t num_labels;
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55 uint32_t storage;
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56 char *labels[];
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57 } label_names;
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58
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59 tern_node * add_label(tern_node * head, char * name, uint32_t address)
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60 {
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61 char key[MAX_INT_KEY_SIZE];
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62 address &= 0xFFFFFF;
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63 reference(address);
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64 tern_int_key(address, key);
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65 label_names * names = tern_find_ptr(head, key);
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66 if (names)
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67 {
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68 if (names->num_labels == names->storage)
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69 {
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70 names->storage = names->storage + (names->storage >> 1);
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71 names = realloc(names, sizeof(label_names) + names->storage * sizeof(char *));
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72 }
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73 } else {
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74 names = malloc(sizeof(label_names) + 4 * sizeof(char *));
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75 names->num_labels = 0;
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76 names->storage = 4;
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77 head = tern_insert_ptr(head, key, names);
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78 }
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79 names->labels[names->num_labels++] = strdup(name);
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80 return head;
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81 }
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82
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83 typedef struct deferred {
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84 uint32_t address;
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85 struct deferred *next;
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86 } deferred;
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87
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88 deferred * defer(uint32_t address, deferred * next)
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89 {
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90 if (is_visited(address) || address & 1) {
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91 return next;
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92 }
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93 //printf("deferring %X\n", address);
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94 deferred * d = malloc(sizeof(deferred));
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95 d->address = address;
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96 d->next = next;
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97 return d;
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98 }
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99
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100 void check_reference(uint16_t inst, uint32_t address, uint8_t is_gpu)
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101 {
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102 if (jag_opcode(inst, is_gpu) == JAG_JR) {
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103 reference(jag_jr_dest(inst, address));
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104 }
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105 }
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106
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107 char * strip_ws(char * text)
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108 {
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109 while (*text && (!isprint(*text) || isblank(*text)))
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110 {
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111 text++;
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112 }
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113 char * ret = text;
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114 text = ret + strlen(ret) - 1;
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115 while (text > ret && (!isprint(*text) || isblank(*text)))
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116 {
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117 *text = 0;
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118 text--;
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119 }
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120 return ret;
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121 }
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122
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123 int main(int argc, char ** argv)
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124 {
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125 long filesize;
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126 unsigned short *filebuf;
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127 char disbuf[1024];
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128 unsigned short * cur;
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129 deferred *def = NULL, *tmpd;
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130 uint32_t start = 0xFFFFFFFF;
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131
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132 uint8_t labels = 0, addr = 0, only = 0, vos = 0, reset = 0;
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133 tern_node * named_labels = NULL;
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134
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135 uint32_t address_off = 0xFFFFFFFF, address_end;
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136 uint8_t is_gpu = 1;
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137 for(uint8_t opt = 2; opt < argc; ++opt) {
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138 if (argv[opt][0] == '-') {
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139 FILE * address_log;
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140 switch (argv[opt][1])
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141 {
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142 case 'l':
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143 labels = 1;
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144 break;
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145 case 'a':
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146 addr = 1;
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147 break;
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148 case 'o':
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149 only = 1;
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150 break;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
151 case 'r':
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
152 reset = 1;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
153 break;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
154 case 's':
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
155 opt++;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
156 if (opt >= argc) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
157 fputs("-s must be followed by an offset\n", stderr);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
158 exit(1);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
159 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
160 address_off = strtol(argv[opt], NULL, 0);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
161 break;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
162 case 'p':
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
163 opt++;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
164 if (opt >= argc) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
165 fputs("-p must be followed by a starting PC value\n", stderr);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
166 exit(1);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
167 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
168 start = strtol(argv[opt], NULL, 0);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
169 break;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
170 case 'd':
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
171 is_gpu = 0;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
172 break;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
173 case 'f':
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
174 opt++;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
175 if (opt >= argc) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
176 fputs("-f must be followed by a filename\n", stderr);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
177 exit(1);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
178 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
179 address_log = fopen(argv[opt], "r");
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
180 if (!address_log) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
181 fprintf(stderr, "Failed to open %s for reading\n", argv[opt]);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
182 exit(1);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
183 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
184 while (fgets(disbuf, sizeof(disbuf), address_log)) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
185 if (disbuf[0]) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
186 char *end;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
187 uint32_t address = strtol(disbuf, &end, 16);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
188 if (address) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
189 def = defer(address, def);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
190 reference(address);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
191 if (*end == '=') {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
192 named_labels = add_label(named_labels, strip_ws(end+1), address);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
193 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
194 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
195 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
196 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
197 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
198 } else {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
199 char *end;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
200 uint32_t address = strtol(argv[opt], &end, 16);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
201 def = defer(address, def);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
202 reference(address);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
203 if (*end == '=') {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
204 named_labels = add_label(named_labels, end+1, address);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
205 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
206 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
207 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
208 if (address_off == 0xFFFFFFFF) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
209 address_off = is_gpu ? 0xF03000 : 0xF1B000;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
210 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
211 if (start == 0xFFFFFFFF) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
212 start = address_off;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
213 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
214 FILE * f = fopen(argv[1], "rb");
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
215 fseek(f, 0, SEEK_END);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
216 filesize = ftell(f);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
217 fseek(f, 0, SEEK_SET);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
218
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
219 char int_key[MAX_INT_KEY_SIZE];
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
220 address_end = address_off + filesize;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
221 filebuf = malloc(filesize);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
222 if (fread(filebuf, 2, filesize/2, f) != filesize/2)
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
223 {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
224 fprintf(stderr, "Failure while reading file %s\n", argv[1]);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
225 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
226 fclose(f);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
227 for(cur = filebuf; cur - filebuf < (filesize/2); ++cur)
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
228 {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
229 *cur = (*cur >> 8) | (*cur << 8);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
230 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
231 named_labels = add_label(named_labels, "start", start);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
232 if (!def || !only) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
233 def = defer(start, def);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
234 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
235
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
236 uint16_t *encoded, *next;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
237 uint32_t size, tmp_addr;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
238 uint32_t address;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
239 while(def) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
240 do {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
241 encoded = NULL;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
242 address = def->address;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
243 if (!is_visited(address)) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
244 encoded = filebuf + (address - address_off)/2;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
245 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
246 tmpd = def;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
247 def = def->next;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
248 free(tmpd);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
249 } while(def && encoded == NULL);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
250 if (!encoded) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
251 break;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
252 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
253 for(;;) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
254 if (address > address_end || address < address_off) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
255 break;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
256 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
257 visit(address);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
258 uint16_t inst = *encoded;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
259 uint32_t inst_address = address;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
260 check_reference(inst, address, is_gpu);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
261 uint16_t opcode = jag_opcode(inst, is_gpu);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
262 if (opcode == JAG_MOVEI) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
263 address += 6;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
264 encoded += 3;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
265 } else {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
266 address += 2;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
267 encoded++;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
268 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
269
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
270
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
271 if (opcode == JAG_JR || opcode == JAG_JUMP) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
272 if (!(jag_reg2(inst) & 0xF)) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
273 //unconditional jump
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
274 if (opcode == JAG_JR) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
275 address = jag_jr_dest(inst, inst_address);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
276 reference(address);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
277 if (is_visited(address)) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
278 break;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
279 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
280 } else {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
281 break;
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
282 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
283 } else if (opcode == JAG_JR) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
284 uint32_t dest = jag_jr_dest(inst, inst_address);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
285 reference(dest);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
286 def = defer(dest, def);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
287 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
288 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
289 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
290 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
291 if (labels) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
292 for (address = 0; address < address_off; address++) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
293 if (is_label(address)) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
294 printf("ADR_%X equ $%X\n", address, address);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
295 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
296 }
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
297 for (address = filesize; address < (16*1024*1024); address++) {
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
298 char key[MAX_INT_KEY_SIZE];
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
299 tern_int_key(address, key);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
300 label_names *names = tern_find_ptr(named_labels, key);
4987fddd42a0 Initial stab at jaguar disassemler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
301 if (names) {
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302 for (int i = 0; i < names->num_labels; i++)
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303 {
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304 printf("%s equ $%X\n", names->labels[i], address);
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305 }
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306 } else if (is_label(address)) {
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307 printf("ADR_%X equ $%X\n", address, address);
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308 }
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309 }
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310 puts("");
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311 }
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312 for (address = address_off; address < address_end; address+=2) {
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313 if (is_visited(address)) {
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314 encoded = filebuf + (address-address_off)/2;
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315 jag_cpu_disasm(&encoded, address, disbuf, is_gpu, labels);
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316 if (labels) {
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317 char keybuf[MAX_INT_KEY_SIZE];
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318 label_names * names = tern_find_ptr(named_labels, tern_int_key(address, keybuf));
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319 if (names)
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320 {
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321 for (int i = 0; i < names->num_labels; i++)
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322 {
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323 printf("%s:\n", names->labels[i]);
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324 }
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325 } else if (is_label(address)) {
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326 printf("ADR_%X:\n", address);
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327 }
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328 if (addr) {
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329 printf("\t%s\t;%X\n", disbuf, address);
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330 } else {
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331 printf("\t%s\n", disbuf);
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332 }
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333 } else {
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334 printf("%X: %s\n", address, disbuf);
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335 }
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336 }
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337 }
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338 return 0;
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339 }