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annotate debug.c @ 2170:ada3130b1396

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Add memory indirection syntax to debugger parser/evaluator
author Michael Pavone <pavone@retrodev.com>
date Sat, 06 Aug 2022 14:50:41 -0700
parents cb9572145f8e
children 4b47155965c8
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1 #include "debug.h"
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2 #include "genesis.h"
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3 #include "68kinst.h"
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4 #include "segacd.h"
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5 #include "blastem.h"
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6 #include <stdlib.h>
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7 #include <string.h>
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8 #ifndef _WIN32
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9 #include <sys/select.h>
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10 #endif
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11 #include "render.h"
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724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
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12 #include "util.h"
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13 #include "terminal.h"
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14 #include "z80inst.h"
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15
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16 #ifdef NEW_CORE
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17 #define Z80_OPTS opts
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18 #else
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19 #define Z80_OPTS options
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20 #endif
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21
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24 static debug_root roots[5];
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25 static uint32_t num_roots;
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26 #define MAX_DEBUG_ROOTS (sizeof(roots)/sizeof(*roots))
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27
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28 debug_root *find_root(void *cpu)
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29 {
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30 for (uint32_t i = 0; i < num_roots; i++)
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31 {
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32 if (roots[i].cpu_context == cpu) {
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33 return roots + i;
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34 }
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35 }
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36 if (num_roots < MAX_DEBUG_ROOTS) {
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37 num_roots++;
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38 memset(roots + num_roots - 1, 0, sizeof(debug_root));
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39 roots[num_roots-1].cpu_context = cpu;
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40 return roots + num_roots - 1;
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41 }
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42 return NULL;
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43 }
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44
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45 bp_def ** find_breakpoint(bp_def ** cur, uint32_t address)
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46 {
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47 while (*cur) {
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48 if ((*cur)->address == address) {
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49 break;
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50 }
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51 cur = &((*cur)->next);
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52 }
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53 return cur;
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54 }
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55
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56 bp_def ** find_breakpoint_idx(bp_def ** cur, uint32_t index)
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57 {
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58 while (*cur) {
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59 if ((*cur)->index == index) {
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60 break;
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61 }
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62 cur = &((*cur)->next);
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63 }
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64 return cur;
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65 }
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66
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67 typedef enum {
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68 TOKEN_NONE,
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69 TOKEN_NUM,
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70 TOKEN_NAME,
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71 TOKEN_OPER,
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72 TOKEN_SIZE,
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73 TOKEN_LBRACKET,
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74 TOKEN_RBRACKET,
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75 } token_type;
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76
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77 static const char *token_type_names[] = {
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78 "TOKEN_NONE",
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79 "TOKEN_NUM",
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80 "TOKEN_NAME",
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81 "TOKEN_OPER",
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82 "TOKEN_SIZE",
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83 "TOKEN_LBRACKET",
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84 "TOKEN_RBRACKET"
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85 };
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86
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87 typedef struct {
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88 token_type type;
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89 union {
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90 char *str;
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91 char op[3];
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92 uint32_t num;
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93 } v;
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94 } token;
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95
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96 static token parse_token(char *start, char **end)
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97 {
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98 while(*start && isblank(*start) && *start != '\n')
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99 {
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100 ++start;
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101 }
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102 if (!*start || *start == '\n') {
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103 return (token){
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104 .type = TOKEN_NONE
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105 };
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106 *end = start;
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107 }
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108 if (*start == '$' || (*start == '0' && start[1] == 'x')) {
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109 return (token) {
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110 .type = TOKEN_NUM,
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111 .v = {
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112 .num = strtol(start + (*start == '$' ? 1 : 2), end, 16)
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113 }
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114 };
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115 }
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116 if (isdigit(*start)) {
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117 return (token) {
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118 .type = TOKEN_NUM,
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119 .v = {
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120 .num = strtol(start, end, 10)
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121 }
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122 };
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123 }
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124 switch (*start)
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125 {
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126 case '+':
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127 case '-':
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128 case '*':
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129 case '/':
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130 case '&':
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131 case '|':
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132 case '^':
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133 case '~':
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134 case '=':
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135 case '!':
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136 if (*start == '!' && start[1] == '=') {
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137 *end = start + 2;
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138 return (token) {
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139 .type = TOKEN_OPER,
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140 .v = {
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141 .op = {*start, start[1], 0}
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142 }
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143 };
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144 }
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145 *end = start + 1;
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146 return (token) {
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147 .type = TOKEN_OPER,
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148 .v = {
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149 .op = {*start, 0}
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150 }
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151 };
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152 case '.':
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153 *end = start + 2;
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154 return (token) {
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155 .type = TOKEN_SIZE,
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156 .v = {
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157 .op = {start[1], 0}
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158 }
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159 };
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160 case '[':
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161 *end = start + 1;
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162 return (token) {
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163 .type = TOKEN_LBRACKET
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164 };
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165 case ']':
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166 *end = start + 1;
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167 return (token) {
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168 .type = TOKEN_RBRACKET
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169 };
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170 }
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171 *end = start + 1;
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172 while (**end && !isblank(**end) && **end != '.')
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173 {
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174 ++*end;
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175 }
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176 char *name = malloc(*end - start + 1);
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177 memcpy(name, start, *end - start);
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178 name[*end-start] = 0;
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179 return (token) {
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180 .type = TOKEN_NAME,
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181 .v = {
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182 .str = name
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183 }
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184 };
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185 }
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186
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187 typedef enum {
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188 EXPR_NONE,
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189 EXPR_SCALAR,
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190 EXPR_UNARY,
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191 EXPR_BINARY,
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192 EXPR_SIZE,
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193 EXPR_MEM
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194 } expr_type;
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195
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196 typedef struct expr expr;
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197
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198 struct expr {
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199 expr_type type;
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200 expr *left;
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201 expr *right;
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202 token op;
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203 };
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204
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205 static void free_expr(expr *e)
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206 {
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207 if (!e) {
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208 return;
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209 }
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210 free_expr(e->left);
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211 free_expr(e->right);
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212 if (e->op.type == TOKEN_NAME) {
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213 free(e->op.v.str);
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214 }
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215 free(e);
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216 }
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217
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218 static expr *parse_scalar_or_muldiv(char *start, char **end);
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219 static expr *parse_expression(char *start, char **end);
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220
2169
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221 static expr *parse_scalar(char *start, char **end)
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222 {
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diff changeset
223 char *after_first;
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224 token first = parse_token(start, &after_first);
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225 if (!first.type) {
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226 return NULL;
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227 }
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228 if (first.type == TOKEN_SIZE) {
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229 fprintf(stderr, "Unexpected TOKEN_SIZE '.%s'\n", first.v.op);
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230 return NULL;
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diff changeset
231 }
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diff changeset
232 if (first.type == TOKEN_OPER) {
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diff changeset
233 expr *target = parse_scalar(after_first, end);
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diff changeset
234 if (!target) {
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diff changeset
235 fprintf(stderr, "Unary expression %s needs value\n", first.v.op);
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diff changeset
236 return NULL;
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diff changeset
237 }
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diff changeset
238 expr *ret = calloc(1, sizeof(expr));
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diff changeset
239 ret->type = EXPR_UNARY;
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diff changeset
240 ret->op = first;
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241 ret->left = target;
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diff changeset
242 *end = after_first;
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diff changeset
243 return ret;
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diff changeset
244 }
2170
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245 if (first.type == TOKEN_LBRACKET) {
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diff changeset
246 expr *ret = calloc(1, sizeof(expr));
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247 ret->type = EXPR_MEM;
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248 ret->left = parse_expression(after_first, end);
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diff changeset
249 if (!ret->left) {
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250 fprintf(stderr, "Expression expected after `[`\n");
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diff changeset
251 free(ret);
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252 return NULL;
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diff changeset
253 }
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diff changeset
254 token rbrack = parse_token(*end, end);
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diff changeset
255 if (rbrack.type != TOKEN_RBRACKET) {
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diff changeset
256 fprintf(stderr, "Missing closing `]`");
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diff changeset
257 free_expr(ret);
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diff changeset
258 return NULL;
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diff changeset
259 }
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diff changeset
260 char *after_size;
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diff changeset
261 token size = parse_token(*end, &after_size);
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diff changeset
262 if (size.type == TOKEN_SIZE) {
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diff changeset
263 *end = after_size;
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diff changeset
264 ret->op = size;
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diff changeset
265 }
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diff changeset
266 return ret;
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diff changeset
267 }
2169
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diff changeset
268 token second = parse_token(after_first, end);
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diff changeset
269 if (second.type != TOKEN_SIZE) {
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diff changeset
270 expr *ret = calloc(1, sizeof(expr));
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diff changeset
271 ret->type = EXPR_SCALAR;
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diff changeset
272 ret->op = first;
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diff changeset
273 *end = after_first;
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diff changeset
274 return ret;
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diff changeset
275 }
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diff changeset
276 expr *ret = calloc(1, sizeof(expr));
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diff changeset
277 ret->type = EXPR_SIZE;
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diff changeset
278 ret->left = calloc(1, sizeof(expr));
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diff changeset
279 ret->left->type = EXPR_SCALAR;
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diff changeset
280 ret->left->op = second;
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diff changeset
281 ret->op = first;
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diff changeset
282 return ret;
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diff changeset
283 }
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diff changeset
284
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diff changeset
285 static expr *maybe_binary(expr *left, char *start, char **end)
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diff changeset
286 {
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diff changeset
287 char *after_first;
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diff changeset
288 token first = parse_token(start, &after_first);
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Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
289 if (first.type != TOKEN_OPER) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
290 *end = start;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
291 return left;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
292 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
293 expr *bin = calloc(1, sizeof(expr));
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
294 bin->left = left;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
295 bin->op = first;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
296 bin->type = EXPR_BINARY;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
297 switch (first.v.op[0])
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
298 {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
299 case '*':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
300 case '/':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
301 case '&':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
302 case '|':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
303 case '^':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
304 bin->right = parse_scalar(after_first, end);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
305 return maybe_binary(bin, *end, end);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
306 case '+':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
307 case '-':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
308 bin->right = parse_scalar_or_muldiv(after_first, end);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
309 return maybe_binary(bin, *end, end);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
310 case '=':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
311 case '!':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
312 bin->right = parse_expression(after_first, end);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
313 return bin;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
314 default:
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
315 bin->left = NULL;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
316 free(bin);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
317 return left;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
318 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
319 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
320
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
321 static expr *maybe_muldiv(expr *left, char *start, char **end)
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
322 {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
323 char *after_first;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
324 token first = parse_token(start, &after_first);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
325 if (first.type != TOKEN_OPER) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
326 *end = start;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
327 return left;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
328 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
329 expr *bin = calloc(1, sizeof(expr));
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
330 bin->left = left;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
331 bin->op = first;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
332 bin->type = EXPR_BINARY;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
333 switch (first.v.op[0])
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
334 {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
335 case '*':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
336 case '/':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
337 case '&':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
338 case '|':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
339 case '^':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
340 bin->right = parse_scalar(after_first, end);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
341 return maybe_binary(bin, *end, end);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
342 default:
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
343 bin->left = NULL;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
344 free(bin);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
345 return left;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
346 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
347 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
348
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
349 static expr *parse_scalar_or_muldiv(char *start, char **end)
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
350 {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
351 char *after_first;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
352 token first = parse_token(start, &after_first);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
353 if (!first.type) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
354 return NULL;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
355 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
356 if (first.type == TOKEN_SIZE) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
357 fprintf(stderr, "Unexpected TOKEN_SIZE '.%s'\n", first.v.op);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
358 return NULL;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
359 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
360 if (first.type == TOKEN_OPER) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
361 expr *target = parse_scalar(after_first, end);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
362 if (!target) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
363 fprintf(stderr, "Unary expression %s needs value\n", first.v.op);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
364 return NULL;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
365 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
366 expr *ret = calloc(1, sizeof(expr));
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
367 ret->type = EXPR_UNARY;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
368 ret->op = first;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
369 ret->left = target;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
370 return ret;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
371 }
2170
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
372 if (first.type == TOKEN_LBRACKET) {
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
373 expr *ret = calloc(1, sizeof(expr));
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
374 ret->type = EXPR_MEM;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
375 ret->left = parse_expression(after_first, end);
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
376 if (!ret->left) {
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
377 fprintf(stderr, "Expression expected after `[`\n");
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
378 free(ret);
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
379 return NULL;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
380 }
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
381 token rbrack = parse_token(*end, end);
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
382 if (rbrack.type != TOKEN_RBRACKET) {
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
383 fprintf(stderr, "Missing closing `]`");
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
384 free_expr(ret);
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
385 return NULL;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
386 }
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
387 char *after_size;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
388 token size = parse_token(*end, &after_size);
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
389 if (size.type == TOKEN_SIZE) {
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
390 *end = after_size;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
391 ret->op = size;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
392 }
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
393 return ret;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
394 }
2169
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
395 char *after_second;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
396 token second = parse_token(after_first, &after_second);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
397 if (second.type == TOKEN_OPER) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
398 expr *ret;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
399 expr *bin = calloc(1, sizeof(expr));
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
400 bin->type = EXPR_BINARY;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
401 bin->left = calloc(1, sizeof(expr));
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
402 bin->left->type = EXPR_SCALAR;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
403 bin->left->op = first;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
404 bin->op = second;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
405 switch (second.v.op[0])
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
406 {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
407 case '*':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
408 case '/':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
409 case '&':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
410 case '|':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
411 case '^':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
412 bin->right = parse_scalar(after_second, end);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
413 return maybe_muldiv(bin, *end, end);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
414 case '+':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
415 case '-':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
416 case '=':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
417 case '!':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
418 ret = bin->left;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
419 bin->left = NULL;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
420 free_expr(bin);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
421 return ret;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
422 default:
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
423 fprintf(stderr, "%s is not a valid binary operator\n", second.v.op);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
424 free(bin->left);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
425 free(bin);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
426 return NULL;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
427 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
428 } else if (second.type == TOKEN_SIZE) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
429 expr *value = calloc(1, sizeof(expr));
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
430 value->type = EXPR_SIZE;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
431 value->op = second;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
432 value->left = calloc(1, sizeof(expr));
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
433 value->left->type = EXPR_SCALAR;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
434 value->left->op = first;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
435 return maybe_muldiv(value, after_second, end);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
436 } else {
2170
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
437 expr *ret = calloc(1, sizeof(expr));
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
438 ret->type = EXPR_SCALAR;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
439 ret->op = first;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
440 *end = after_first;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
441 return ret;
2169
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
442 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
443 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
444
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
445 static expr *parse_expression(char *start, char **end)
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
446 {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
447 char *after_first;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
448 token first = parse_token(start, &after_first);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
449 if (!first.type) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
450 return NULL;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
451 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
452 if (first.type == TOKEN_SIZE) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
453 fprintf(stderr, "Unexpected TOKEN_SIZE '.%s'\n", first.v.op);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
454 return NULL;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
455 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
456 if (first.type == TOKEN_OPER) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
457 expr *target = parse_scalar(after_first, end);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
458 if (!target) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
459 fprintf(stderr, "Unary expression %s needs value\n", first.v.op);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
460 return NULL;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
461 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
462 expr *ret = calloc(1, sizeof(expr));
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
463 ret->type = EXPR_UNARY;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
464 ret->op = first;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
465 ret->left = target;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
466 return ret;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
467 }
2170
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
468 if (first.type == TOKEN_LBRACKET) {
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
469 expr *ret = calloc(1, sizeof(expr));
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
470 ret->type = EXPR_MEM;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
471 ret->left = parse_expression(after_first, end);
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
472 if (!ret->left) {
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
473 fprintf(stderr, "Expression expected after `[`\n");
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
474 free(ret);
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
475 return NULL;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
476 }
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
477 token rbrack = parse_token(*end, end);
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
478 if (rbrack.type != TOKEN_RBRACKET) {
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
479 fprintf(stderr, "Missing closing `]`");
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
480 free_expr(ret);
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
481 return NULL;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
482 }
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
483 char *after_size;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
484 token size = parse_token(*end, &after_size);
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
485 if (size.type == TOKEN_SIZE) {
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
486 *end = after_size;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
487 ret->op = size;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
488 }
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
489 return ret;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
490 }
2169
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
491 char *after_second;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
492 token second = parse_token(after_first, &after_second);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
493 if (second.type == TOKEN_OPER) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
494 expr *bin = calloc(1, sizeof(expr));
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
495 bin->type = EXPR_BINARY;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
496 bin->left = calloc(1, sizeof(expr));
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
497 bin->left->type = EXPR_SCALAR;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
498 bin->left->op = first;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
499 bin->op = second;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
500 switch (second.v.op[0])
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
501 {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
502 case '*':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
503 case '/':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
504 case '&':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
505 case '|':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
506 case '^':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
507 bin->right = parse_scalar(after_second, end);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
508 return maybe_binary(bin, *end, end);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
509 case '+':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
510 case '-':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
511 bin->right = parse_scalar_or_muldiv(after_second, end);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
512 return maybe_binary(bin, *end, end);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
513 case '=':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
514 case '!':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
515 bin->right = parse_expression(after_second, end);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
516 return bin;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
517 default:
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
518 fprintf(stderr, "%s is not a valid binary operator\n", second.v.op);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
519 free(bin->left);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
520 free(bin);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
521 return NULL;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
522 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
523 } else if (second.type == TOKEN_SIZE) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
524 expr *value = calloc(1, sizeof(expr));
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
525 value->type = EXPR_SIZE;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
526 value->op = second;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
527 value->left = calloc(1, sizeof(expr));
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
528 value->left->type = EXPR_SCALAR;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
529 value->left->op = first;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
530 return maybe_binary(value, after_second, end);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
531 } else {
2170
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
532 expr *ret = calloc(1, sizeof(expr));
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
533 ret->type = EXPR_SCALAR;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
534 ret->op = first;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
535 *end = after_first;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
536 return ret;
2169
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
537 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
538 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
539
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
540 typedef struct debug_context debug_context;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
541 typedef uint8_t (*resolver)(debug_context *context, const char *name, uint32_t *out);
2170
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
542 typedef uint8_t (*reader)(debug_context *context, uint32_t *out, char size);
2169
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
543
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
544 struct debug_context {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
545 resolver resolve;
2170
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
546 reader read_mem;
2169
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
547 void *system;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
548 };
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
549
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
550 uint8_t eval_expr(debug_context *context, expr *e, uint32_t *out)
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
551 {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
552 uint32_t right;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
553 switch(e->type)
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
554 {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
555 case EXPR_SCALAR:
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
556 if (e->op.type == TOKEN_NAME) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
557 return context->resolve(context, e->op.v.str, out);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
558 } else {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
559 *out = e->op.v.num;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
560 return 1;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
561 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
562 case EXPR_UNARY:
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
563 if (!eval_expr(context, e->left, out)) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
564 return 0;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
565 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
566 switch (e->op.v.op[0])
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
567 {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
568 case '!':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
569 *out = !*out;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
570 break;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
571 case '~':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
572 *out = ~*out;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
573 break;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
574 case '-':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
575 *out = -*out;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
576 break;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
577 default:
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
578 return 0;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
579 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
580 return 1;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
581 case EXPR_BINARY:
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
582 if (!eval_expr(context, e->left, out) || !eval_expr(context, e->right, &right)) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
583 return 0;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
584 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
585 switch (e->op.v.op[0])
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
586 {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
587 case '+':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
588 *out += right;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
589 break;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
590 case '-':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
591 *out -= right;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
592 break;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
593 case '*':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
594 *out *= right;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
595 break;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
596 case '/':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
597 *out /= right;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
598 break;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
599 case '&':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
600 *out &= right;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
601 break;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
602 case '|':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
603 *out |= right;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
604 break;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
605 case '^':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
606 *out ^= right;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
607 break;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
608 case '=':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
609 *out = *out == right;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
610 break;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
611 case '!':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
612 *out = *out != right;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
613 break;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
614 default:
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
615 return 0;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
616 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
617 return 1;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
618 case EXPR_SIZE:
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
619 if (!eval_expr(context, e->left, out)) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
620 return 0;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
621 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
622 switch (e->op.v.op[0])
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
623 {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
624 case 'b':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
625 *out &= 0xFF;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
626 break;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
627 case 'w':
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
628 *out &= 0xFFFF;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
629 break;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
630 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
631 return 1;
2170
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
632 case EXPR_MEM:
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
633 if (!eval_expr(context, e->left, out)) {
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
634 return 0;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
635 }
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
636 return context->read_mem(context, out, e->op.v.op[0]);
2169
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
637 default:
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
638 return 0;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
639 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
640 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
641
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
642 void add_display(disp_def ** head, uint32_t *index, char format_char, char * param)
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
643 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
644 disp_def * ndisp = malloc(sizeof(*ndisp));
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
645 ndisp->format_char = format_char;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
646 ndisp->param = strdup(param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
647 ndisp->next = *head;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
648 ndisp->index = *index++;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
649 *head = ndisp;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
650 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
651
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
652 void remove_display(disp_def ** head, uint32_t index)
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
653 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
654 while (*head) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
655 if ((*head)->index == index) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
656 disp_def * del_disp = *head;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
657 *head = del_disp->next;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
658 free(del_disp->param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
659 free(del_disp);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
660 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
661 head = &(*head)->next;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
662 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
663 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
664 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
665
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
666 char * find_param(char * buf)
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
667 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
668 for (; *buf; buf++) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
669 if (*buf == ' ') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
670 if (*(buf+1)) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
671 return buf+1;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
672 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
673 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
674 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
675 return NULL;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
676 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
677
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
678 void strip_nl(char * buf)
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
679 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
680 for(; *buf; buf++) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
681 if (*buf == '\n') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
682 *buf = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
683 return;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
684 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
685 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
686 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
687
1965
3a46ff899fa6 More correct implementation of byte printing in builtin debugger. Fix GDB debugger to use helper in backend.c for reading bytes
Michael Pavone <pavone@retrodev.com>
parents: 1963
diff changeset
688 static uint8_t m68k_read_byte(uint32_t address, m68k_context *context)
3a46ff899fa6 More correct implementation of byte printing in builtin debugger. Fix GDB debugger to use helper in backend.c for reading bytes
Michael Pavone <pavone@retrodev.com>
parents: 1963
diff changeset
689 {
3a46ff899fa6 More correct implementation of byte printing in builtin debugger. Fix GDB debugger to use helper in backend.c for reading bytes
Michael Pavone <pavone@retrodev.com>
parents: 1963
diff changeset
690 //TODO: share this implementation with GDB debugger
3a46ff899fa6 More correct implementation of byte printing in builtin debugger. Fix GDB debugger to use helper in backend.c for reading bytes
Michael Pavone <pavone@retrodev.com>
parents: 1963
diff changeset
691 return read_byte(address, (void **)context->mem_pointers, &context->options->gen, context);
3a46ff899fa6 More correct implementation of byte printing in builtin debugger. Fix GDB debugger to use helper in backend.c for reading bytes
Michael Pavone <pavone@retrodev.com>
parents: 1963
diff changeset
692 }
3a46ff899fa6 More correct implementation of byte printing in builtin debugger. Fix GDB debugger to use helper in backend.c for reading bytes
Michael Pavone <pavone@retrodev.com>
parents: 1963
diff changeset
693
2170
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
694 static uint16_t m68k_read_word(uint32_t address, m68k_context *context)
1313
b27d7bf1107e Improved printing of word at absolute address to support reading from all address types. Implemented support for printing the value pointed to by a register. Removed abuse of read_dma_value in internal debugger.
Michael Pavone <pavone@retrodev.com>
parents: 1312
diff changeset
695 {
b27d7bf1107e Improved printing of word at absolute address to support reading from all address types. Implemented support for printing the value pointed to by a register. Removed abuse of read_dma_value in internal debugger.
Michael Pavone <pavone@retrodev.com>
parents: 1312
diff changeset
696 return read_word(address, (void **)context->mem_pointers, &context->options->gen, context);
b27d7bf1107e Improved printing of word at absolute address to support reading from all address types. Implemented support for printing the value pointed to by a register. Removed abuse of read_dma_value in internal debugger.
Michael Pavone <pavone@retrodev.com>
parents: 1312
diff changeset
697 }
b27d7bf1107e Improved printing of word at absolute address to support reading from all address types. Implemented support for printing the value pointed to by a register. Removed abuse of read_dma_value in internal debugger.
Michael Pavone <pavone@retrodev.com>
parents: 1312
diff changeset
698
2170
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
699 static uint32_t m68k_read_long(uint32_t address, m68k_context *context)
1313
b27d7bf1107e Improved printing of word at absolute address to support reading from all address types. Implemented support for printing the value pointed to by a register. Removed abuse of read_dma_value in internal debugger.
Michael Pavone <pavone@retrodev.com>
parents: 1312
diff changeset
700 {
b27d7bf1107e Improved printing of word at absolute address to support reading from all address types. Implemented support for printing the value pointed to by a register. Removed abuse of read_dma_value in internal debugger.
Michael Pavone <pavone@retrodev.com>
parents: 1312
diff changeset
701 return m68k_read_word(address, context) << 16 | m68k_read_word(address + 2, context);
b27d7bf1107e Improved printing of word at absolute address to support reading from all address types. Implemented support for printing the value pointed to by a register. Removed abuse of read_dma_value in internal debugger.
Michael Pavone <pavone@retrodev.com>
parents: 1312
diff changeset
702 }
b27d7bf1107e Improved printing of word at absolute address to support reading from all address types. Implemented support for printing the value pointed to by a register. Removed abuse of read_dma_value in internal debugger.
Michael Pavone <pavone@retrodev.com>
parents: 1312
diff changeset
703
2170
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
704 static uint8_t read_m68k(m68k_context *context, uint32_t *out, char size)
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
705 {
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
706 if (size == 'b') {
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
707 *out = m68k_read_byte(*out, context);
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
708 } else if (size == 'l') {
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
709 *out = m68k_read_long(*out, context);
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
710 } else {
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
711 *out = m68k_read_word(*out, context);
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
712 }
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
713 return 1;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
714 }
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
715
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
716 static uint8_t read_genesis(debug_context *context, uint32_t *out, char size)
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
717 {
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
718 genesis_context *gen = context->system;
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
719 return read_m68k(gen->m68k, out, size);
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
720 }
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
721
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
722 static uint8_t resolve_m68k(m68k_context *context, const char *name, uint32_t *out)
2169
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
723 {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
724 if (name[0] == 'd' && name[1] >= '0' && name[1] <= '7') {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
725 *out = context->dregs[name[1]-'0'];
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
726 } else if (name[0] == 'a' && name[1] >= '0' && name[1] <= '7') {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
727 *out = context->aregs[name[1]-'0'];
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
728 } else if (name[0] == 's' && name[1] == 'r') {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
729 *out = context->status << 8;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
730 for (int flag = 0; flag < 5; flag++) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
731 *out |= context->flags[flag] << (4-flag);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
732 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
733 } else if(name[0] == 'c') {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
734 *out = context->current_cycle;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
735 } else if (name[0] == 'p' && name[1] == 'c') {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
736 //FIXME
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
737 //*out = address;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
738 } else {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
739 return 0;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
740 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
741 return 1;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
742 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
743
2170
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
744 static uint8_t resolve_genesis(debug_context *context, const char *name, uint32_t *out)
2169
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
745 {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
746 genesis_context *gen = context->system;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
747 if (resolve_m68k(gen->m68k, name, out)) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
748 return 1;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
749 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
750 if (!strcmp(name, "f") || !strcmp(name, "frame")) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
751 *out = gen->vdp->frame;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
752 return 1;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
753 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
754 return 0;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
755 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
756
1923
23394a890508 Added implementation of printing PC in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 1922
diff changeset
757 void debugger_print(m68k_context *context, char format_char, char *param, uint32_t address)
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
758 {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
759 uint32_t value;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
760 char format[8];
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
761 strcpy(format, "%s: %d\n");
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
762 switch (format_char)
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
763 {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
764 case 'x':
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
765 case 'X':
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
766 case 'd':
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
767 case 'c':
2112
3abb64bd0da6 Add support for printing strings in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 2107
diff changeset
768 case 's':
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
769 format[5] = format_char;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
770 break;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
771 case '\0':
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
772 break;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
773 default:
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
774 fprintf(stderr, "Unrecognized format character: %c\n", format_char);
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
775 }
2169
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
776 debug_context c = {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
777 .resolve = resolve_genesis,
2170
ada3130b1396 Add memory indirection syntax to debugger parser/evaluator
Michael Pavone <pavone@retrodev.com>
parents: 2169
diff changeset
778 .read_mem = read_genesis,
2169
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
779 .system = context->system
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
780 };
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
781 char *after;
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
782 expr *e = parse_expression(param, &after);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
783 if (e) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
784 if (!eval_expr(&c, e, &value)) {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
785 fprintf(stderr, "Failed to eval %s\n", param);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
786 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
787 free_expr(e);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
788 } else {
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
789 fprintf(stderr, "Failed to parse %s\n", param);
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
790 }
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
791 /*
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
792 if (param[0] == 'd' && param[1] >= '0' && param[1] <= '7') {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
793 value = context->dregs[param[1]-'0'];
1312
9ab3f6781202 Allow adding .w or .b to select just the low word or byte of a register in a 68K debugger print command
Michael Pavone <pavone@retrodev.com>
parents: 1311
diff changeset
794 if (param[2] == '.') {
9ab3f6781202 Allow adding .w or .b to select just the low word or byte of a register in a 68K debugger print command
Michael Pavone <pavone@retrodev.com>
parents: 1311
diff changeset
795 if (param[3] == 'w') {
9ab3f6781202 Allow adding .w or .b to select just the low word or byte of a register in a 68K debugger print command
Michael Pavone <pavone@retrodev.com>
parents: 1311
diff changeset
796 value &= 0xFFFF;
9ab3f6781202 Allow adding .w or .b to select just the low word or byte of a register in a 68K debugger print command
Michael Pavone <pavone@retrodev.com>
parents: 1311
diff changeset
797 } else if (param[3] == 'b') {
9ab3f6781202 Allow adding .w or .b to select just the low word or byte of a register in a 68K debugger print command
Michael Pavone <pavone@retrodev.com>
parents: 1311
diff changeset
798 value &= 0xFF;
9ab3f6781202 Allow adding .w or .b to select just the low word or byte of a register in a 68K debugger print command
Michael Pavone <pavone@retrodev.com>
parents: 1311
diff changeset
799 }
9ab3f6781202 Allow adding .w or .b to select just the low word or byte of a register in a 68K debugger print command
Michael Pavone <pavone@retrodev.com>
parents: 1311
diff changeset
800 }
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
801 } else if (param[0] == 'a' && param[1] >= '0' && param[1] <= '7') {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
802 value = context->aregs[param[1]-'0'];
1312
9ab3f6781202 Allow adding .w or .b to select just the low word or byte of a register in a 68K debugger print command
Michael Pavone <pavone@retrodev.com>
parents: 1311
diff changeset
803 if (param[2] == '.') {
9ab3f6781202 Allow adding .w or .b to select just the low word or byte of a register in a 68K debugger print command
Michael Pavone <pavone@retrodev.com>
parents: 1311
diff changeset
804 if (param[3] == 'w') {
9ab3f6781202 Allow adding .w or .b to select just the low word or byte of a register in a 68K debugger print command
Michael Pavone <pavone@retrodev.com>
parents: 1311
diff changeset
805 value &= 0xFFFF;
9ab3f6781202 Allow adding .w or .b to select just the low word or byte of a register in a 68K debugger print command
Michael Pavone <pavone@retrodev.com>
parents: 1311
diff changeset
806 } else if (param[3] == 'b') {
9ab3f6781202 Allow adding .w or .b to select just the low word or byte of a register in a 68K debugger print command
Michael Pavone <pavone@retrodev.com>
parents: 1311
diff changeset
807 value &= 0xFF;
9ab3f6781202 Allow adding .w or .b to select just the low word or byte of a register in a 68K debugger print command
Michael Pavone <pavone@retrodev.com>
parents: 1311
diff changeset
808 }
9ab3f6781202 Allow adding .w or .b to select just the low word or byte of a register in a 68K debugger print command
Michael Pavone <pavone@retrodev.com>
parents: 1311
diff changeset
809 }
1922
4a811fd1fb6f Added soft reset command to debugger. Added more debugger help
Eric Fry <yuv422@users.noreply.github.com>
parents: 1921
diff changeset
810 } else if (param[0] == 's' && param[1] == 'r') {
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
811 value = (context->status << 8);
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
812 for (int flag = 0; flag < 5; flag++) {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
813 value |= context->flags[flag] << (4-flag);
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
814 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
815 } else if(param[0] == 'c') {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
816 value = context->current_cycle;
1311
26bdbf1f7e33 Allow printing current frame number in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 1310
diff changeset
817 } else if(param[0] == 'f') {
26bdbf1f7e33 Allow printing current frame number in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 1310
diff changeset
818 genesis_context *gen = context->system;
26bdbf1f7e33 Allow printing current frame number in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 1310
diff changeset
819 value = gen->vdp->frame;
1922
4a811fd1fb6f Added soft reset command to debugger. Added more debugger help
Eric Fry <yuv422@users.noreply.github.com>
parents: 1921
diff changeset
820 } else if (param[0] == 'p' && param[1] == 'c') {
1923
23394a890508 Added implementation of printing PC in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 1922
diff changeset
821 value = address;
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
822 } else if ((param[0] == '0' && param[1] == 'x') || param[0] == '$') {
1314
ae932ca28282 Allow a .l suffix to a memory print command to allow fetching and printing a longword
Michael Pavone <pavone@retrodev.com>
parents: 1313
diff changeset
823 char *after;
ae932ca28282 Allow a .l suffix to a memory print command to allow fetching and printing a longword
Michael Pavone <pavone@retrodev.com>
parents: 1313
diff changeset
824 uint32_t p_addr = strtol(param+(param[0] == '0' ? 2 : 1), &after, 16);
ae932ca28282 Allow a .l suffix to a memory print command to allow fetching and printing a longword
Michael Pavone <pavone@retrodev.com>
parents: 1313
diff changeset
825 if (after[0] == '.' && after[1] == 'l') {
ae932ca28282 Allow a .l suffix to a memory print command to allow fetching and printing a longword
Michael Pavone <pavone@retrodev.com>
parents: 1313
diff changeset
826 value = m68k_read_long(p_addr, context);
1963
495569c1dc61 Add support for printing a byte from memory in native debugger. Add stubs for GDB commands qThreadExtraInfo and qP
Eric Fry <yuv422@users.noreply.github.com>
parents: 1923
diff changeset
827 } else if (after[0] == '.' && after[1] == 'b') {
1965
3a46ff899fa6 More correct implementation of byte printing in builtin debugger. Fix GDB debugger to use helper in backend.c for reading bytes
Michael Pavone <pavone@retrodev.com>
parents: 1963
diff changeset
828 value = m68k_read_byte(p_addr, context);
1314
ae932ca28282 Allow a .l suffix to a memory print command to allow fetching and printing a longword
Michael Pavone <pavone@retrodev.com>
parents: 1313
diff changeset
829 } else {
ae932ca28282 Allow a .l suffix to a memory print command to allow fetching and printing a longword
Michael Pavone <pavone@retrodev.com>
parents: 1313
diff changeset
830 value = m68k_read_word(p_addr, context);
ae932ca28282 Allow a .l suffix to a memory print command to allow fetching and printing a longword
Michael Pavone <pavone@retrodev.com>
parents: 1313
diff changeset
831 }
1313
b27d7bf1107e Improved printing of word at absolute address to support reading from all address types. Implemented support for printing the value pointed to by a register. Removed abuse of read_dma_value in internal debugger.
Michael Pavone <pavone@retrodev.com>
parents: 1312
diff changeset
832 } else if(param[0] == '(' && (param[1] == 'a' || param[1] == 'd') && param[2] >= '0' && param[2] <= '7' && param[3] == ')') {
b27d7bf1107e Improved printing of word at absolute address to support reading from all address types. Implemented support for printing the value pointed to by a register. Removed abuse of read_dma_value in internal debugger.
Michael Pavone <pavone@retrodev.com>
parents: 1312
diff changeset
833 uint8_t reg = param[2] - '0';
b27d7bf1107e Improved printing of word at absolute address to support reading from all address types. Implemented support for printing the value pointed to by a register. Removed abuse of read_dma_value in internal debugger.
Michael Pavone <pavone@retrodev.com>
parents: 1312
diff changeset
834 uint32_t p_addr = param[1] == 'a' ? context->aregs[reg] : context->dregs[reg];
1314
ae932ca28282 Allow a .l suffix to a memory print command to allow fetching and printing a longword
Michael Pavone <pavone@retrodev.com>
parents: 1313
diff changeset
835 if (param[4] == '.' && param[5] == 'l') {
ae932ca28282 Allow a .l suffix to a memory print command to allow fetching and printing a longword
Michael Pavone <pavone@retrodev.com>
parents: 1313
diff changeset
836 value = m68k_read_long(p_addr, context);
1963
495569c1dc61 Add support for printing a byte from memory in native debugger. Add stubs for GDB commands qThreadExtraInfo and qP
Eric Fry <yuv422@users.noreply.github.com>
parents: 1923
diff changeset
837 } else if (param[4] == '.' && param[5] == 'b') {
1965
3a46ff899fa6 More correct implementation of byte printing in builtin debugger. Fix GDB debugger to use helper in backend.c for reading bytes
Michael Pavone <pavone@retrodev.com>
parents: 1963
diff changeset
838 value = m68k_read_byte(p_addr, context);
1314
ae932ca28282 Allow a .l suffix to a memory print command to allow fetching and printing a longword
Michael Pavone <pavone@retrodev.com>
parents: 1313
diff changeset
839 } else {
ae932ca28282 Allow a .l suffix to a memory print command to allow fetching and printing a longword
Michael Pavone <pavone@retrodev.com>
parents: 1313
diff changeset
840 value = m68k_read_word(p_addr, context);
ae932ca28282 Allow a .l suffix to a memory print command to allow fetching and printing a longword
Michael Pavone <pavone@retrodev.com>
parents: 1313
diff changeset
841 }
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
842 } else {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
843 fprintf(stderr, "Unrecognized parameter to p: %s\n", param);
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
844 return;
2169
cb9572145f8e WIP support for expression parsing in debugger
Michael Pavone <pavone@retrodev.com>
parents: 2133
diff changeset
845 }*/
2112
3abb64bd0da6 Add support for printing strings in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 2107
diff changeset
846 if (format_char == 's') {
3abb64bd0da6 Add support for printing strings in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 2107
diff changeset
847 char tmp[128];
3abb64bd0da6 Add support for printing strings in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 2107
diff changeset
848 int i;
3abb64bd0da6 Add support for printing strings in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 2107
diff changeset
849 for (i = 0; i < sizeof(tmp)-1; i++, value++)
3abb64bd0da6 Add support for printing strings in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 2107
diff changeset
850 {
3abb64bd0da6 Add support for printing strings in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 2107
diff changeset
851 char c = m68k_read_byte(value, context);
3abb64bd0da6 Add support for printing strings in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 2107
diff changeset
852 if (c < 0x20 || c > 0x7F) {
3abb64bd0da6 Add support for printing strings in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 2107
diff changeset
853 break;
3abb64bd0da6 Add support for printing strings in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 2107
diff changeset
854 }
3abb64bd0da6 Add support for printing strings in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 2107
diff changeset
855 tmp[i] = c;
3abb64bd0da6 Add support for printing strings in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 2107
diff changeset
856 }
3abb64bd0da6 Add support for printing strings in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 2107
diff changeset
857 tmp[i] = 0;
3abb64bd0da6 Add support for printing strings in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 2107
diff changeset
858 printf(format, param, tmp);
3abb64bd0da6 Add support for printing strings in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 2107
diff changeset
859 } else {
3abb64bd0da6 Add support for printing strings in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 2107
diff changeset
860 printf(format, param, value);
3abb64bd0da6 Add support for printing strings in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 2107
diff changeset
861 }
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
862 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
863
565
9324f721efa6 Add a separate flag/define for disabling the Z80 at compile time to ease refactoring
Michael Pavone <pavone@retrodev.com>
parents: 548
diff changeset
864 #ifndef NO_Z80
548
a3afee2271ce Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents: 525
diff changeset
865
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
866 void zdebugger_print(z80_context * context, char format_char, char * param)
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
867 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
868 uint32_t value;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
869 char format[8];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
870 strcpy(format, "%s: %d\n");
1103
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 985
diff changeset
871 genesis_context *system = context->system;
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
872 switch (format_char)
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
873 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
874 case 'x':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
875 case 'X':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
876 case 'd':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
877 case 'c':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
878 format[5] = format_char;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
879 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
880 case '\0':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
881 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
882 default:
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
883 fprintf(stderr, "Unrecognized format character: %c\n", format_char);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
884 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
885 switch (param[0])
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
886 {
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1630
diff changeset
887 #ifndef NEW_CORE
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
888 case 'a':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
889 if (param[1] == 'f') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
890 if(param[2] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
891 value = context->alt_regs[Z80_A] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
892 value |= context->alt_flags[ZF_S] << 7;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
893 value |= context->alt_flags[ZF_Z] << 6;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
894 value |= context->alt_flags[ZF_H] << 4;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
895 value |= context->alt_flags[ZF_PV] << 2;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
896 value |= context->alt_flags[ZF_N] << 1;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
897 value |= context->alt_flags[ZF_C];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
898 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
899 value = context->regs[Z80_A] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
900 value |= context->flags[ZF_S] << 7;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
901 value |= context->flags[ZF_Z] << 6;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
902 value |= context->flags[ZF_H] << 4;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
903 value |= context->flags[ZF_PV] << 2;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
904 value |= context->flags[ZF_N] << 1;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
905 value |= context->flags[ZF_C];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
906 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
907 } else if(param[1] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
908 value = context->alt_regs[Z80_A];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
909 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
910 value = context->regs[Z80_A];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
911 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
912 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
913 case 'b':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
914 if (param[1] == 'c') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
915 if(param[2] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
916 value = context->alt_regs[Z80_B] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
917 value |= context->alt_regs[Z80_C];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
918 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
919 value = context->regs[Z80_B] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
920 value |= context->regs[Z80_C];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
921 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
922 } else if(param[1] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
923 value = context->alt_regs[Z80_B];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
924 } else if(param[1] == 'a') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
925 value = context->bank_reg << 15;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
926 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
927 value = context->regs[Z80_B];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
928 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
929 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
930 case 'c':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
931 if(param[1] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
932 value = context->alt_regs[Z80_C];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
933 } else if(param[1] == 'y') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
934 value = context->current_cycle;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
935 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
936 value = context->regs[Z80_C];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
937 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
938 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
939 case 'd':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
940 if (param[1] == 'e') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
941 if(param[2] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
942 value = context->alt_regs[Z80_D] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
943 value |= context->alt_regs[Z80_E];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
944 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
945 value = context->regs[Z80_D] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
946 value |= context->regs[Z80_E];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
947 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
948 } else if(param[1] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
949 value = context->alt_regs[Z80_D];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
950 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
951 value = context->regs[Z80_D];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
952 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
953 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
954 case 'e':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
955 if(param[1] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
956 value = context->alt_regs[Z80_E];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
957 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
958 value = context->regs[Z80_E];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
959 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
960 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
961 case 'f':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
962 if(param[2] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
963 value = context->alt_flags[ZF_S] << 7;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
964 value |= context->alt_flags[ZF_Z] << 6;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
965 value |= context->alt_flags[ZF_H] << 4;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
966 value |= context->alt_flags[ZF_PV] << 2;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
967 value |= context->alt_flags[ZF_N] << 1;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
968 value |= context->alt_flags[ZF_C];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
969 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
970 value = context->flags[ZF_S] << 7;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
971 value |= context->flags[ZF_Z] << 6;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
972 value |= context->flags[ZF_H] << 4;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
973 value |= context->flags[ZF_PV] << 2;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
974 value |= context->flags[ZF_N] << 1;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
975 value |= context->flags[ZF_C];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
976 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
977 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
978 case 'h':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
979 if (param[1] == 'l') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
980 if(param[2] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
981 value = context->alt_regs[Z80_H] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
982 value |= context->alt_regs[Z80_L];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
983 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
984 value = context->regs[Z80_H] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
985 value |= context->regs[Z80_L];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
986 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
987 } else if(param[1] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
988 value = context->alt_regs[Z80_H];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
989 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
990 value = context->regs[Z80_H];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
991 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
992 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
993 case 'l':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
994 if(param[1] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
995 value = context->alt_regs[Z80_L];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
996 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
997 value = context->regs[Z80_L];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
998 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
999 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1000 case 'i':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1001 if(param[1] == 'x') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1002 if (param[2] == 'h') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1003 value = context->regs[Z80_IXH];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1004 } else if(param[2] == 'l') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1005 value = context->regs[Z80_IXL];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1006 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1007 value = context->regs[Z80_IXH] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1008 value |= context->regs[Z80_IXL];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1009 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1010 } else if(param[1] == 'y') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1011 if (param[2] == 'h') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1012 value = context->regs[Z80_IYH];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1013 } else if(param[2] == 'l') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1014 value = context->regs[Z80_IYL];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1015 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1016 value = context->regs[Z80_IYH] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1017 value |= context->regs[Z80_IYL];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1018 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1019 } else if(param[1] == 'n') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1020 value = context->int_cycle;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1021 } else if(param[1] == 'f' && param[2] == 'f' && param[3] == '1') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1022 value = context->iff1;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1023 } else if(param[1] == 'f' && param[2] == 'f' && param[3] == '2') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1024 value = context->iff2;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1025 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1026 value = context->im;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1027 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1028 break;
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1630
diff changeset
1029 #endif
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1030 case 's':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1031 if (param[1] == 'p') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1032 value = context->sp;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1033 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1034 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1035 case '0':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1036 if (param[1] == 'x') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1037 uint16_t p_addr = strtol(param+2, NULL, 16);
1920
7b41cb36e7df Use proper memory map in Z80 debugger for memory printing
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
1038 value = read_byte(p_addr, (void **)context->mem_pointers, &context->options->gen, context);
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1039 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1040 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1041 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1042 printf(format, param, value);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1043 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1044
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1045 z80_context * zdebugger(z80_context * context, uint16_t address)
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1046 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1047 static char last_cmd[1024];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1048 char input_buf[1024];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1049 z80inst inst;
1103
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 985
diff changeset
1050 genesis_context *system = context->system;
794
792be135d3af Spawn a terminal for the debugger when needed if we are not already attached to one
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
1051 init_terminal();
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1052 //Check if this is a user set breakpoint, or just a temporary one
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1053 debug_root *root = find_root(context);
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1054 if (!root) {
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1055 return context;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1056 }
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1057 bp_def ** this_bp = find_breakpoint(&root->breakpoints, address);
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1058 if (*this_bp) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1059 printf("Z80 Breakpoint %d hit\n", (*this_bp)->index);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1060 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1061 zremove_breakpoint(context, address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1062 }
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1630
diff changeset
1063 uint8_t * pc = get_native_pointer(address, (void **)context->mem_pointers, &context->Z80_OPTS->gen);
1129
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1064 if (!pc) {
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1065 fatal_error("Failed to get native pointer on entering Z80 debugger at address %X\n", address);
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1066 }
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1067 for (disp_def * cur = root->displays; cur; cur = cur->next) {
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1068 zdebugger_print(context, cur->format_char, cur->param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1069 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1070 uint8_t * after_pc = z80_decode(pc, &inst);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1071 z80_disasm(&inst, input_buf, address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1072 printf("%X:\t%s\n", address, input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1073 uint16_t after = address + (after_pc-pc);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1074 int debugging = 1;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1075 while(debugging) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1076 fputs(">", stdout);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1077 if (!fgets(input_buf, sizeof(input_buf), stdin)) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1078 fputs("fgets failed", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1079 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1080 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1081 strip_nl(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1082 //hitting enter repeats last command
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1083 if (input_buf[0]) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1084 strcpy(last_cmd, input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1085 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1086 strcpy(input_buf, last_cmd);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1087 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1088 char * param;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1089 char format[8];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1090 uint32_t value;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1091 bp_def * new_bp;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1092 switch(input_buf[0])
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1093 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1094 case 'a':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1095 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1096 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1097 fputs("a command requires a parameter\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1098 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1099 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1100 value = strtol(param, NULL, 16);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1101 zinsert_breakpoint(context, value, (uint8_t *)zdebugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1102 debugging = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1103 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1104 case 'b':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1105 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1106 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1107 fputs("b command requires a parameter\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1108 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1109 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1110 value = strtol(param, NULL, 16);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1111 zinsert_breakpoint(context, value, (uint8_t *)zdebugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1112 new_bp = malloc(sizeof(bp_def));
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1113 new_bp->next = root->breakpoints;
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1114 new_bp->address = value;
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1115 new_bp->index = root->bp_index++;
867
bacd67a82d58 Properly initialize commands when adding a new breakpoint
Michael Pavone <pavone@retrodev.com>
parents: 865
diff changeset
1116 new_bp->commands = NULL;
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1117 root->breakpoints = new_bp;
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1118 printf("Z80 Breakpoint %d set at %X\n", new_bp->index, value);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1119 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1120 case 'c':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1121 puts("Continuing");
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1122 debugging = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1123 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1124 case 'd':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1125 if (input_buf[1] == 'i') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1126 char format_char = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1127 for(int i = 2; input_buf[i] != 0 && input_buf[i] != ' '; i++) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1128 if (input_buf[i] == '/') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1129 format_char = input_buf[i+1];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1130 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1131 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1132 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1133 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1134 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1135 fputs("display command requires a parameter\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1136 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1137 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1138 zdebugger_print(context, format_char, param);
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1139 add_display(&root->displays, &root->disp_index, format_char, param);
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1140 } else if (input_buf[1] == 'e' || input_buf[1] == ' ') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1141 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1142 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1143 fputs("delete command requires a parameter\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1144 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1145 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1146 if (param[0] >= '0' && param[0] <= '9') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1147 value = atoi(param);
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1148 this_bp = find_breakpoint_idx(&root->breakpoints, value);
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1149 if (!*this_bp) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1150 fprintf(stderr, "Breakpoint %d does not exist\n", value);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1151 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1152 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1153 new_bp = *this_bp;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1154 zremove_breakpoint(context, new_bp->address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1155 *this_bp = new_bp->next;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1156 free(new_bp);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1157 } else if (param[0] == 'd') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1158 param = find_param(param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1159 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1160 fputs("delete display command requires a parameter\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1161 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1162 }
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1163 remove_display(&root->displays, atoi(param));
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1164 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1165 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1166 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1167 case 'n':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1168 //TODO: Handle conditional branch instructions
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1169 if (inst.op == Z80_JP) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1170 if (inst.addr_mode == Z80_IMMED) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1171 after = inst.immed;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1172 } else if (inst.ea_reg == Z80_HL) {
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1630
diff changeset
1173 #ifndef NEW_CORE
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1174 after = context->regs[Z80_H] << 8 | context->regs[Z80_L];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1175 } else if (inst.ea_reg == Z80_IX) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1176 after = context->regs[Z80_IXH] << 8 | context->regs[Z80_IXL];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1177 } else if (inst.ea_reg == Z80_IY) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1178 after = context->regs[Z80_IYH] << 8 | context->regs[Z80_IYL];
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1630
diff changeset
1179 #endif
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1180 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1181 } else if(inst.op == Z80_JR) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1182 after += inst.immed;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1183 } else if(inst.op == Z80_RET) {
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1630
diff changeset
1184 uint8_t *sp = get_native_pointer(context->sp, (void **)context->mem_pointers, &context->Z80_OPTS->gen);
1129
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1185 if (sp) {
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1186 after = *sp;
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1630
diff changeset
1187 sp = get_native_pointer((context->sp + 1) & 0xFFFF, (void **)context->mem_pointers, &context->Z80_OPTS->gen);
1129
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1188 if (sp) {
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1189 after |= *sp << 8;
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1190 }
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1191 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1192 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1193 zinsert_breakpoint(context, after, (uint8_t *)zdebugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1194 debugging = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1195 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1196 case 'p':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1197 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1198 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1199 fputs("p command requires a parameter\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1200 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1201 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1202 zdebugger_print(context, input_buf[1] == '/' ? input_buf[2] : 0, param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1203 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1204 case 'q':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1205 puts("Quitting");
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1206 exit(0);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1207 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1208 case 's': {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1209 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1210 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1211 fputs("s command requires a file name\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1212 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1213 }
1129
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1214 memmap_chunk const *ram_chunk = NULL;
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1630
diff changeset
1215 for (int i = 0; i < context->Z80_OPTS->gen.memmap_chunks; i++)
1129
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1216 {
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1630
diff changeset
1217 memmap_chunk const *cur = context->Z80_OPTS->gen.memmap + i;
1129
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1218 if (cur->flags & MMAP_WRITE) {
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1219 ram_chunk = cur;
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1220 break;
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1221 }
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1222 }
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1223 if (ram_chunk) {
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1224 uint32_t size = ram_chunk->end - ram_chunk->start;
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1225 if (size > ram_chunk->mask) {
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1226 size = ram_chunk->mask+1;
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1227 }
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1630
diff changeset
1228 uint8_t *buf = get_native_pointer(ram_chunk->start, (void **)context->mem_pointers, &context->Z80_OPTS->gen);
1129
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1229 FILE * f = fopen(param, "wb");
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1230 if (f) {
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1231 if(fwrite(buf, 1, size, f) != size) {
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1232 fputs("Error writing file\n", stderr);
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1233 }
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1234 fclose(f);
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1235 printf("Wrote %d bytes to %s\n", size, param);
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1236 } else {
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1237 fprintf(stderr, "Could not open %s for writing\n", param);
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1238 }
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1239 } else {
1129
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
1240 fputs("Failed to find a RAM memory chunk\n", stderr);
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1241 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1242 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1243 }
1921
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1244 case '?':
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1245 print_z80_help();
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1246 break;
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1247 default:
1149
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents: 1130
diff changeset
1248 if (
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1630
diff changeset
1249 !context->Z80_OPTS->gen.debug_cmd_handler
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1630
diff changeset
1250 || !context->Z80_OPTS->gen.debug_cmd_handler(&system->header, input_buf)
1149
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents: 1130
diff changeset
1251 ) {
1921
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1252 fprintf(stderr, "Unrecognized debugger command %s\nUse '?' for help.\n", input_buf);
1149
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents: 1130
diff changeset
1253 }
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1254 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1255 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1256 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1257 return context;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1258 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1259
548
a3afee2271ce Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents: 525
diff changeset
1260 #endif
a3afee2271ce Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents: 525
diff changeset
1261
2104
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1262 int run_debugger_command(m68k_context *context, uint32_t address, char *input_buf, m68kinst inst, uint32_t after);
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1263 int run_genesis_debugger_command(m68k_context *context, uint32_t address, char *input_buf)
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1264 {
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1265 genesis_context * gen = context->system;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1266 char *param;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1267 uint32_t value;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1268 bp_def *new_bp;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1269 switch (input_buf[0])
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1270 {
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1271 case 'v':
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1272 //VDP debug commands
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1273 switch(input_buf[1])
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1274 {
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1275 case 's':
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1276 vdp_print_sprite_table(gen->vdp);
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1277 break;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1278 case 'r':
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1279 vdp_print_reg_explain(gen->vdp);
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1280 break;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1281 }
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1282 break;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1283 case 'y':
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1284 //YM-2612 debug commands
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1285 switch(input_buf[1])
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1286 {
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1287 case 'c':
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1288 if (input_buf[2] == ' ') {
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1289 int channel = atoi(input_buf+3)-1;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1290 ym_print_channel_info(gen->ym, channel);
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1291 } else {
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1292 for (int i = 0; i < 6; i++) {
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1293 ym_print_channel_info(gen->ym, i);
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1294 }
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1295 }
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1296 break;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1297 case 't':
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1298 ym_print_timer_info(gen->ym);
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1299 break;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1300 }
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1301 break;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1302 case 'u':
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1303 if (gen->expansion) {
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1304 segacd_context *cd = gen->expansion;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1305 if (input_buf[1]) {
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1306 //TODO: filter out commands that are unsafe to run when we don't have the current Sub CPU address
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1307 run_debugger_command(cd->m68k, 0, input_buf + 1, (m68kinst){}, 0);
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1308 } else {
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1309 cd->enter_debugger = 1;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1310 return 0;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1311 }
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1312 } else {
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1313 fputs("u command only valid when Sega/Mega CD is active\n", stderr);
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1314 }
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1315 break;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1316 #ifndef NO_Z80
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1317 case 'z':
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1318 //Z80 debug commands
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1319 switch(input_buf[1])
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1320 {
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1321 case 'b': {
2104
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1322 param = find_param(input_buf);
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1323 if (!param) {
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1324 fputs("zb command requires a parameter\n", stderr);
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1325 break;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1326 }
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1327 value = strtol(param, NULL, 16);
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1328 debug_root *zroot = find_root(gen->z80);
2104
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1329 zinsert_breakpoint(gen->z80, value, (uint8_t *)zdebugger);
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1330 new_bp = malloc(sizeof(bp_def));
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1331 new_bp->next = zroot->breakpoints;
2104
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1332 new_bp->address = value;
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1333 new_bp->index = zroot->bp_index++;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1334 zroot->breakpoints = new_bp;
2104
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1335 printf("Z80 Breakpoint %d set at %X\n", new_bp->index, value);
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1336 break;
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1337 }
2104
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1338 case 'p':
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1339 param = find_param(input_buf);
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1340 if (!param) {
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1341 fputs("zp command requires a parameter\n", stderr);
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1342 break;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1343 }
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1344 zdebugger_print(gen->z80, input_buf[2] == '/' ? input_buf[3] : 0, param);
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1345 }
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1346 break;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1347 #endif
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1348 default:
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1349 fprintf(stderr, "Unrecognized debugger command %s\nUse '?' for help.\n", input_buf);
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1350 break;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1351 }
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1352 return 1;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1353 }
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1354
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1355 int run_subcpu_debugger_command(m68k_context *context, uint32_t address, char *input_buf)
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1356 {
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1357 segacd_context *cd = context->system;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1358 switch (input_buf[0])
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1359 {
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1360 case 'm':
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1361 if (input_buf[1]) {
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1362 //TODO: filter out commands that are unsafe to run when we don't have the current Main CPU address
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1363 return run_debugger_command(cd->genesis->m68k, 0, input_buf + 1, (m68kinst){}, 0);
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1364 } else {
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1365 cd->genesis->header.enter_debugger = 1;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1366 return 0;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1367 }
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1368 break;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1369 default:
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1370 fprintf(stderr, "Unrecognized debugger command %s\nUse '?' for help.\n", input_buf);
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1371 break;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1372 }
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1373 return 1;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1374 }
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1375
1922
4a811fd1fb6f Added soft reset command to debugger. Added more debugger help
Eric Fry <yuv422@users.noreply.github.com>
parents: 1921
diff changeset
1376 int run_debugger_command(m68k_context *context, uint32_t address, char *input_buf, m68kinst inst, uint32_t after)
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1377 {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1378 char * param;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1379 char format_char;
1103
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 985
diff changeset
1380 genesis_context *system = context->system;
849
1416c4261d5b Fix some debug commands that got broken when I added support for the command command
Michael Pavone <pavone@retrodev.com>
parents: 831
diff changeset
1381 uint32_t value;
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1382 bp_def *new_bp, **this_bp;
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1383 debug_root *root = find_root(context);
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1384 if (!root) {
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1385 return 0;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1386 }
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1387 switch(input_buf[0])
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1388 {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1389 case 'c':
830
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1390 if (input_buf[1] == 0 || input_buf[1] == 'o' && input_buf[2] == 'n')
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1391 {
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1392 puts("Continuing");
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1393 return 0;
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1394 } else if (input_buf[1] == 'o' && input_buf[2] == 'm') {
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1395 param = find_param(input_buf);
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1396 if (!param) {
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1397 fputs("com command requires a parameter\n", stderr);
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1398 break;
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1399 }
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1400 bp_def **target = find_breakpoint_idx(&root->breakpoints, atoi(param));
830
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1401 if (!target) {
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1402 fprintf(stderr, "Breakpoint %s does not exist!\n", param);
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1403 break;
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1404 }
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1405 printf("Enter commands for breakpoing %d, type end when done\n", atoi(param));
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1406 char cmd_buf[1024];
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1407 char *commands = NULL;
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1408 for (;;)
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1409 {
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1410 fputs(">>", stdout);
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1411 fflush(stdout);
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1412 fgets(cmd_buf, sizeof(cmd_buf), stdin);
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1413 if (strcmp(cmd_buf, "end\n")) {
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1414 if (commands) {
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1415 char *tmp = commands;
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1416 commands = alloc_concat(commands, cmd_buf);
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1417 free(tmp);
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1418 } else {
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1419 commands = strdup(cmd_buf);
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1420 }
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1421 } else {
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1422 break;
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1423 }
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1424 }
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1425 (*target)->commands = commands;
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1426 } else {
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1427 }
1310
de742a7bd9f7 Fix accidental fallthrough on com debugger command
Michael Pavone <pavone@retrodev.com>
parents: 1149
diff changeset
1428 break;
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1429 case 'b':
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1430 if (input_buf[1] == 't') {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1431 uint32_t stack = context->aregs[7];
2133
8554751f17b5 Remove use of get_native_pointer in 68K instruction decoding in preparation for word RAM interleaving
Michael Pavone <pavone@retrodev.com>
parents: 2112
diff changeset
1432 uint8_t non_adr_count = 0;
8554751f17b5 Remove use of get_native_pointer in 68K instruction decoding in preparation for word RAM interleaving
Michael Pavone <pavone@retrodev.com>
parents: 2112
diff changeset
1433 do {
8554751f17b5 Remove use of get_native_pointer in 68K instruction decoding in preparation for word RAM interleaving
Michael Pavone <pavone@retrodev.com>
parents: 2112
diff changeset
1434 uint32_t bt_address = m68k_instruction_fetch(stack, context);
8554751f17b5 Remove use of get_native_pointer in 68K instruction decoding in preparation for word RAM interleaving
Michael Pavone <pavone@retrodev.com>
parents: 2112
diff changeset
1435 bt_address = get_instruction_start(context->options, bt_address - 2);
8554751f17b5 Remove use of get_native_pointer in 68K instruction decoding in preparation for word RAM interleaving
Michael Pavone <pavone@retrodev.com>
parents: 2112
diff changeset
1436 if (bt_address) {
8554751f17b5 Remove use of get_native_pointer in 68K instruction decoding in preparation for word RAM interleaving
Michael Pavone <pavone@retrodev.com>
parents: 2112
diff changeset
1437 stack += 4;
8554751f17b5 Remove use of get_native_pointer in 68K instruction decoding in preparation for word RAM interleaving
Michael Pavone <pavone@retrodev.com>
parents: 2112
diff changeset
1438 non_adr_count = 0;
8554751f17b5 Remove use of get_native_pointer in 68K instruction decoding in preparation for word RAM interleaving
Michael Pavone <pavone@retrodev.com>
parents: 2112
diff changeset
1439 m68k_decode(m68k_instruction_fetch, context, &inst, bt_address);
8554751f17b5 Remove use of get_native_pointer in 68K instruction decoding in preparation for word RAM interleaving
Michael Pavone <pavone@retrodev.com>
parents: 2112
diff changeset
1440 m68k_disasm(&inst, input_buf);
8554751f17b5 Remove use of get_native_pointer in 68K instruction decoding in preparation for word RAM interleaving
Michael Pavone <pavone@retrodev.com>
parents: 2112
diff changeset
1441 printf("%X: %s\n", bt_address, input_buf);
8554751f17b5 Remove use of get_native_pointer in 68K instruction decoding in preparation for word RAM interleaving
Michael Pavone <pavone@retrodev.com>
parents: 2112
diff changeset
1442 } else {
8554751f17b5 Remove use of get_native_pointer in 68K instruction decoding in preparation for word RAM interleaving
Michael Pavone <pavone@retrodev.com>
parents: 2112
diff changeset
1443 //non-return address value on stack can be word wide
8554751f17b5 Remove use of get_native_pointer in 68K instruction decoding in preparation for word RAM interleaving
Michael Pavone <pavone@retrodev.com>
parents: 2112
diff changeset
1444 stack += 2;
8554751f17b5 Remove use of get_native_pointer in 68K instruction decoding in preparation for word RAM interleaving
Michael Pavone <pavone@retrodev.com>
parents: 2112
diff changeset
1445 non_adr_count++;
8554751f17b5 Remove use of get_native_pointer in 68K instruction decoding in preparation for word RAM interleaving
Michael Pavone <pavone@retrodev.com>
parents: 2112
diff changeset
1446 }
8554751f17b5 Remove use of get_native_pointer in 68K instruction decoding in preparation for word RAM interleaving
Michael Pavone <pavone@retrodev.com>
parents: 2112
diff changeset
1447 //TODO: Make sure we don't wander into an invalid memory region
8554751f17b5 Remove use of get_native_pointer in 68K instruction decoding in preparation for word RAM interleaving
Michael Pavone <pavone@retrodev.com>
parents: 2112
diff changeset
1448 } while (stack && non_adr_count < 6);
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1449 } else {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1450 param = find_param(input_buf);
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1451 if (!param) {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1452 fputs("b command requires a parameter\n", stderr);
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1453 break;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1454 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1455 value = strtol(param, NULL, 16);
1111
2eb54e24914e Mostly working changes to allow support for multiple emulated system types in main blastem program
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
1456 insert_breakpoint(context, value, debugger);
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1457 new_bp = malloc(sizeof(bp_def));
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1458 new_bp->next = root->breakpoints;
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1459 new_bp->address = value;
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1460 new_bp->index = root->bp_index++;
919
38dca41f151d Initialize commands field of breakpoint struct to NULL. Remove a debug printf
Michael Pavone <pavone@retrodev.com>
parents: 867
diff changeset
1461 new_bp->commands = NULL;
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1462 root->breakpoints = new_bp;
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1463 printf("68K Breakpoint %d set at %X\n", new_bp->index, value);
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1464 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1465 break;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1466 case 'a':
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1467 param = find_param(input_buf);
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1468 if (!param) {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1469 fputs("a command requires a parameter\n", stderr);
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1470 break;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1471 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1472 value = strtol(param, NULL, 16);
1111
2eb54e24914e Mostly working changes to allow support for multiple emulated system types in main blastem program
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
1473 insert_breakpoint(context, value, debugger);
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1474 return 0;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1475 case 'd':
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1476 if (input_buf[1] == 'i') {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1477 format_char = 0;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1478 for(int i = 2; input_buf[i] != 0 && input_buf[i] != ' '; i++) {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1479 if (input_buf[i] == '/') {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1480 format_char = input_buf[i+1];
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1481 break;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1482 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1483 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1484 param = find_param(input_buf);
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1485 if (!param) {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1486 fputs("display command requires a parameter\n", stderr);
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1487 break;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1488 }
1923
23394a890508 Added implementation of printing PC in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 1922
diff changeset
1489 debugger_print(context, format_char, param, address);
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1490 add_display(&root->displays, &root->disp_index, format_char, param);
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1491 } else {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1492 param = find_param(input_buf);
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1493 if (!param) {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1494 fputs("d command requires a parameter\n", stderr);
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1495 break;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1496 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1497 value = atoi(param);
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1498 this_bp = find_breakpoint_idx(&root->breakpoints, value);
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1499 if (!*this_bp) {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1500 fprintf(stderr, "Breakpoint %d does not exist\n", value);
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1501 break;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1502 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1503 new_bp = *this_bp;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1504 *this_bp = (*this_bp)->next;
830
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1505 if (new_bp->commands) {
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1506 free(new_bp->commands);
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1507 }
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1508 free(new_bp);
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1509 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1510 break;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1511 case 'p':
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1512 format_char = 0;
831
079eb395ddd1 Fix handling of formatting character for 68K debug command p
Michael Pavone <pavone@retrodev.com>
parents: 830
diff changeset
1513 for(int i = 1; input_buf[i] != 0 && input_buf[i] != ' '; i++) {
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1514 if (input_buf[i] == '/') {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1515 format_char = input_buf[i+1];
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1516 break;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1517 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1518 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1519 param = find_param(input_buf);
1923
23394a890508 Added implementation of printing PC in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 1922
diff changeset
1520 if (param) {
23394a890508 Added implementation of printing PC in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 1922
diff changeset
1521 debugger_print(context, format_char, param, address);
23394a890508 Added implementation of printing PC in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 1922
diff changeset
1522 } else {
1922
4a811fd1fb6f Added soft reset command to debugger. Added more debugger help
Eric Fry <yuv422@users.noreply.github.com>
parents: 1921
diff changeset
1523 m68k_disasm(&inst, input_buf);
4a811fd1fb6f Added soft reset command to debugger. Added more debugger help
Eric Fry <yuv422@users.noreply.github.com>
parents: 1921
diff changeset
1524 printf("%X: %s\n", address, input_buf);
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1525 }
2054
8ee7ecbf3f21 Implement enough of Sega CD gate array and Sub CPU to pass Sik's Mode 1 test ROM
Michael Pavone <pavone@retrodev.com>
parents: 1965
diff changeset
1526
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1527 break;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1528 case 'n':
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1529 if (inst.op == M68K_RTS) {
1313
b27d7bf1107e Improved printing of word at absolute address to support reading from all address types. Implemented support for printing the value pointed to by a register. Removed abuse of read_dma_value in internal debugger.
Michael Pavone <pavone@retrodev.com>
parents: 1312
diff changeset
1530 after = m68k_read_long(context->aregs[7], context);
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1531 } else if (inst.op == M68K_RTE || inst.op == M68K_RTR) {
1313
b27d7bf1107e Improved printing of word at absolute address to support reading from all address types. Implemented support for printing the value pointed to by a register. Removed abuse of read_dma_value in internal debugger.
Michael Pavone <pavone@retrodev.com>
parents: 1312
diff changeset
1532 after = m68k_read_long(context->aregs[7] + 2, context);
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1533 } else if(m68k_is_noncall_branch(&inst)) {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1534 if (inst.op == M68K_BCC && inst.extra.cond != COND_TRUE) {
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1535 root->branch_f = after;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1536 root->branch_t = m68k_branch_target(&inst, context->dregs, context->aregs);
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1537 insert_breakpoint(context, root->branch_t, debugger);
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1538 } else if(inst.op == M68K_DBCC) {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1539 if ( inst.extra.cond == COND_FALSE) {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1540 if (context->dregs[inst.dst.params.regs.pri] & 0xFFFF) {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1541 after = m68k_branch_target(&inst, context->dregs, context->aregs);
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1542 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1543 } else {
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1544 root->branch_t = after;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1545 root->branch_f = m68k_branch_target(&inst, context->dregs, context->aregs);
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1546 insert_breakpoint(context, root->branch_f, debugger);
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1547 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1548 } else {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1549 after = m68k_branch_target(&inst, context->dregs, context->aregs);
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1550 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1551 }
1111
2eb54e24914e Mostly working changes to allow support for multiple emulated system types in main blastem program
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
1552 insert_breakpoint(context, after, debugger);
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1553 return 0;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1554 case 'o':
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1555 if (inst.op == M68K_RTS) {
1313
b27d7bf1107e Improved printing of word at absolute address to support reading from all address types. Implemented support for printing the value pointed to by a register. Removed abuse of read_dma_value in internal debugger.
Michael Pavone <pavone@retrodev.com>
parents: 1312
diff changeset
1556 after = m68k_read_long(context->aregs[7], context);
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1557 } else if (inst.op == M68K_RTE || inst.op == M68K_RTR) {
1313
b27d7bf1107e Improved printing of word at absolute address to support reading from all address types. Implemented support for printing the value pointed to by a register. Removed abuse of read_dma_value in internal debugger.
Michael Pavone <pavone@retrodev.com>
parents: 1312
diff changeset
1558 after = m68k_read_long(context->aregs[7] + 2, context);
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1559 } else if(m68k_is_noncall_branch(&inst)) {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1560 if (inst.op == M68K_BCC && inst.extra.cond != COND_TRUE) {
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1561 root->branch_t = m68k_branch_target(&inst, context->dregs, context->aregs) & 0xFFFFFF;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1562 if (root->branch_t < after) {
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1563 root->branch_t = 0;
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1564 } else {
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1565 root->branch_f = after;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1566 insert_breakpoint(context, root->branch_t, debugger);
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1567 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1568 } else if(inst.op == M68K_DBCC) {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1569 uint32_t target = m68k_branch_target(&inst, context->dregs, context->aregs) & 0xFFFFFF;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1570 if (target > after) {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1571 if (inst.extra.cond == COND_FALSE) {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1572 after = target;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1573 } else {
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1574 root->branch_f = target;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1575 root->branch_t = after;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1576 insert_breakpoint(context, root->branch_f, debugger);
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1577 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1578 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1579 } else {
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1580 after = m68k_branch_target(&inst, context->dregs, context->aregs) & 0xFFFFFF;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1581 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1582 }
1111
2eb54e24914e Mostly working changes to allow support for multiple emulated system types in main blastem program
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
1583 insert_breakpoint(context, after, debugger);
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1584 return 0;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1585 case 's':
1630
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1586 if (input_buf[1] == 'e') {
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1587 param = find_param(input_buf);
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1588 if (!param) {
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1589 fputs("Missing destination parameter for set\n", stderr);
1922
4a811fd1fb6f Added soft reset command to debugger. Added more debugger help
Eric Fry <yuv422@users.noreply.github.com>
parents: 1921
diff changeset
1590 return 1;
1630
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1591 }
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1592 char *val = find_param(param);
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1593 if (!val) {
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1594 fputs("Missing value parameter for set\n", stderr);
1922
4a811fd1fb6f Added soft reset command to debugger. Added more debugger help
Eric Fry <yuv422@users.noreply.github.com>
parents: 1921
diff changeset
1595 return 1;
1630
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1596 }
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1597 long int_val;
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1598 int reg_num;
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1599 switch (val[0])
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1600 {
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1601 case 'd':
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1602 case 'a':
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1603 reg_num = val[1] - '0';
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1604 if (reg_num < 0 || reg_num > 8) {
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1605 fprintf(stderr, "Invalid register %s\n", val);
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1606 return 1;
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1607 }
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1608 int_val = (val[0] == 'd' ? context->dregs : context->aregs)[reg_num];
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1609 break;
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1610 case '$':
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1611 int_val = strtol(val+1, NULL, 16);
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1612 break;
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1613 case '0':
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1614 if (val[1] == 'x') {
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1615 int_val = strtol(val+2, NULL, 16);
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1616 break;
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1617 }
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1618 default:
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1619 int_val = strtol(val, NULL, 10);
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1620 }
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1621 switch(param[0])
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1622 {
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1623 case 'd':
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1624 case 'a':
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1625 reg_num = param[1] - '0';
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1626 if (reg_num < 0 || reg_num > 8) {
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1627 fprintf(stderr, "Invalid register %s\n", param);
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1628 return 1;
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1629 }
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1630 (param[0] == 'd' ? context->dregs : context->aregs)[reg_num] = int_val;
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1631 break;
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1632 default:
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1633 fprintf(stderr, "Invalid destinatino %s\n", param);
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1634 }
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1635 break;
1922
4a811fd1fb6f Added soft reset command to debugger. Added more debugger help
Eric Fry <yuv422@users.noreply.github.com>
parents: 1921
diff changeset
1636 } else if (input_buf[1] == 'r') {
4a811fd1fb6f Added soft reset command to debugger. Added more debugger help
Eric Fry <yuv422@users.noreply.github.com>
parents: 1921
diff changeset
1637 system->header.soft_reset(&system->header);
4a811fd1fb6f Added soft reset command to debugger. Added more debugger help
Eric Fry <yuv422@users.noreply.github.com>
parents: 1921
diff changeset
1638 return 0;
1630
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1639 } else {
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1640 if (inst.op == M68K_RTS) {
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1641 after = m68k_read_long(context->aregs[7], context);
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1642 } else if (inst.op == M68K_RTE || inst.op == M68K_RTR) {
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1643 after = m68k_read_long(context->aregs[7] + 2, context);
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1644 } else if(m68k_is_branch(&inst)) {
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1645 if (inst.op == M68K_BCC && inst.extra.cond != COND_TRUE) {
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1646 root->branch_f = after;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1647 root->branch_t = m68k_branch_target(&inst, context->dregs, context->aregs) & 0xFFFFFF;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1648 insert_breakpoint(context, root->branch_t, debugger);
1630
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1649 } else if(inst.op == M68K_DBCC) {
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1650 if (inst.extra.cond == COND_FALSE) {
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1651 if (context->dregs[inst.dst.params.regs.pri] & 0xFFFF) {
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1652 after = m68k_branch_target(&inst, context->dregs, context->aregs);
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1653 }
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1654 } else {
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1655 root->branch_t = after;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1656 root->branch_f = m68k_branch_target(&inst, context->dregs, context->aregs);
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1657 insert_breakpoint(context, root->branch_f, debugger);
1424
4f96103b4b47 Fix s(tep) debug command for the case of dbra with an expired counter reg
Michael Pavone <pavone@retrodev.com>
parents: 1329
diff changeset
1658 }
4f96103b4b47 Fix s(tep) debug command for the case of dbra with an expired counter reg
Michael Pavone <pavone@retrodev.com>
parents: 1329
diff changeset
1659 } else {
1630
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1660 after = m68k_branch_target(&inst, context->dregs, context->aregs) & 0xFFFFFF;
1424
4f96103b4b47 Fix s(tep) debug command for the case of dbra with an expired counter reg
Michael Pavone <pavone@retrodev.com>
parents: 1329
diff changeset
1661 }
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1662 }
1630
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1663 insert_breakpoint(context, after, debugger);
5aa0c3c43b97 Added a 68K debugger command for setting a register
Michael Pavone <pavone@retrodev.com>
parents: 1629
diff changeset
1664 return 0;
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1665 }
1921
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1666 case '?':
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1667 print_m68k_help();
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1668 break;
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1669 case 'q':
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1670 puts("Quitting");
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1671 exit(0);
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1672 break;
2104
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1673 default: {
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1674 if (context->system == current_system) {
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1675 //primary 68K for current system
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1676 return run_genesis_debugger_command(context, address, input_buf);
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1677 } else {
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1678 //presumably Sega CD sub CPU
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1679 //TODO: consider making this more generic
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1680 return run_subcpu_debugger_command(context, address, input_buf);
2104
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1681 }
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1682 break;
2104
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1683 }
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1684 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1685 return 1;
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1686 }
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1687
1921
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1688 void print_m68k_help()
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1689 {
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1690 printf("M68k Debugger Commands\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1691 printf(" b ADDRESS - Set a breakpoint at ADDRESS\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1692 printf(" d BREAKPOINT - Delete a 68K breakpoint\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1693 printf(" co BREAKPOINT - Run a list of debugger commands each time\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1694 printf(" BREAKPOINT is hit\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1695 printf(" a ADDRESS - Advance to address\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1696 printf(" n - Advance to next instruction\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1697 printf(" o - Advance to next instruction ignoring branches to\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1698 printf(" lower addresses (good for breaking out of loops)\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1699 printf(" s - Advance to next instruction (follows bsr/jsr)\n");
1922
4a811fd1fb6f Added soft reset command to debugger. Added more debugger help
Eric Fry <yuv422@users.noreply.github.com>
parents: 1921
diff changeset
1700 printf(" se REG|ADDRESS VALUE - Set value\n");
4a811fd1fb6f Added soft reset command to debugger. Added more debugger help
Eric Fry <yuv422@users.noreply.github.com>
parents: 1921
diff changeset
1701 printf(" sr - Soft reset\n");
1921
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1702 printf(" c - Continue\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1703 printf(" bt - Print a backtrace\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1704 printf(" p[/(x|X|d|c)] VALUE - Print a register or memory location\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1705 printf(" di[/(x|X|d|c)] VALUE - Print a register or memory location each time\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1706 printf(" a breakpoint is hit\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1707 printf(" vs - Print VDP sprite list\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1708 printf(" vr - Print VDP register info\n");
1922
4a811fd1fb6f Added soft reset command to debugger. Added more debugger help
Eric Fry <yuv422@users.noreply.github.com>
parents: 1921
diff changeset
1709 printf(" yc [CHANNEL NUM] - Print YM-2612 channel info\n");
4a811fd1fb6f Added soft reset command to debugger. Added more debugger help
Eric Fry <yuv422@users.noreply.github.com>
parents: 1921
diff changeset
1710 printf(" yt - Print YM-2612 timer info\n");
1921
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1711 printf(" zb ADDRESS - Set a Z80 breakpoint\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1712 printf(" zp[/(x|X|d|c)] VALUE - Display a Z80 value\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1713 printf(" ? - Display help\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1714 printf(" q - Quit BlastEm\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1715 }
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1716
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1717 void print_z80_help()
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1718 {
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1719 printf("Z80 Debugger Commands\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1720 printf(" b ADDRESS - Set a breakpoint at ADDRESS\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1721 printf(" de BREAKPOINT - Delete a Z80 breakpoint\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1722 printf(" a ADDRESS - Advance to address\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1723 printf(" n - Advance to next instruction\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1724 printf(" c - Continue\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1725 printf(" p[/(x|X|d|c)] VALUE - Print a register or memory location\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1726 printf(" di[/(x|X|d|c)] VALUE - Print a register or memory location each time\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1727 printf(" a breakpoint is hit\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1728 printf(" q - Quit BlastEm\n");
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1920
diff changeset
1729 }
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1730
1329
85a90964b557 Fix interaction between 68K debugger and instruction retranslation due to self modifying code or bank switching
Michael Pavone <pavone@retrodev.com>
parents: 1314
diff changeset
1731 void debugger(m68k_context * context, uint32_t address)
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1732 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1733 static char last_cmd[1024];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1734 char input_buf[1024];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1735 m68kinst inst;
830
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1736
794
792be135d3af Spawn a terminal for the debugger when needed if we are not already attached to one
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
1737 init_terminal();
830
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1738
2054
8ee7ecbf3f21 Implement enough of Sega CD gate array and Sub CPU to pass Sik's Mode 1 test ROM
Michael Pavone <pavone@retrodev.com>
parents: 1965
diff changeset
1739 context->options->sync_components(context, 0);
2104
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1740 if (context->system == current_system) {
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1741 genesis_context *gen = context->system;
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1742 vdp_force_update_framebuffer(gen->vdp);
ff32a90260c9 Initial support for using debugger on sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
1743 }
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1744 debug_root *root = find_root(context);
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1745 if (!root) {
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1746 return;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1747 }
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1748 //probably not necessary, but let's play it safe
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1749 address &= 0xFFFFFF;
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1750 if (address == root->branch_t) {
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1751 bp_def ** f_bp = find_breakpoint(&root->breakpoints, root->branch_f);
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1752 if (!*f_bp) {
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1753 remove_breakpoint(context, root->branch_f);
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1754 }
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1755 root->branch_t = root->branch_f = 0;
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1756 } else if(address == root->branch_f) {
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1757 bp_def ** t_bp = find_breakpoint(&root->breakpoints, root->branch_t);
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1758 if (!*t_bp) {
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1759 remove_breakpoint(context, root->branch_t);
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1760 }
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1761 root->branch_t = root->branch_f = 0;
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1762 }
849
1416c4261d5b Fix some debug commands that got broken when I added support for the command command
Michael Pavone <pavone@retrodev.com>
parents: 831
diff changeset
1763
2133
8554751f17b5 Remove use of get_native_pointer in 68K instruction decoding in preparation for word RAM interleaving
Michael Pavone <pavone@retrodev.com>
parents: 2112
diff changeset
1764 uint32_t after = m68k_decode(m68k_instruction_fetch, context, &inst, address);
830
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1765 int debugging = 1;
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1766 //Check if this is a user set breakpoint, or just a temporary one
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1767 bp_def ** this_bp = find_breakpoint(&root->breakpoints, address);
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1768 if (*this_bp) {
830
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1769
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1770 if ((*this_bp)->commands)
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1771 {
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1772 char *commands = strdup((*this_bp)->commands);
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1773 char *copy = commands;
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1774
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1775 while (debugging && *commands)
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1776 {
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1777 char *cmd = commands;
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1778 strip_nl(cmd);
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1779 commands += strlen(cmd) + 1;
1922
4a811fd1fb6f Added soft reset command to debugger. Added more debugger help
Eric Fry <yuv422@users.noreply.github.com>
parents: 1921
diff changeset
1780 debugging = run_debugger_command(context, address, cmd, inst, after);
830
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1781 }
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1782 free(copy);
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1783 }
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1784 if (debugging) {
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1785 printf("68K Breakpoint %d hit\n", (*this_bp)->index);
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1786 } else {
1329
85a90964b557 Fix interaction between 68K debugger and instruction retranslation due to self modifying code or bank switching
Michael Pavone <pavone@retrodev.com>
parents: 1314
diff changeset
1787 return;
830
5a3ac6093ea2 Add support for executing a list of debugger commands when a breakpoint is hit
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
1788 }
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1789 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1790 remove_breakpoint(context, address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1791 }
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 2104
diff changeset
1792 for (disp_def * cur = root->displays; cur; cur = cur->next) {
1923
23394a890508 Added implementation of printing PC in 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 1922
diff changeset
1793 debugger_print(context, cur->format_char, cur->param, address);
829
cc05444a4a4e WIP debugger improvements. Partial support for display command in 68K debugger. Minor refactor to support commands on a breakpoint.
Michael Pavone <pavone@retrodev.com>
parents: 794
diff changeset
1794 }
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1795 m68k_disasm(&inst, input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1796 printf("%X: %s\n", address, input_buf);
745
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
1797 #ifdef _WIN32
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
1798 #define prompt 1
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
1799 #else
723
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
1800 int prompt = 1;
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
1801 fd_set read_fds;
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
1802 FD_ZERO(&read_fds);
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
1803 struct timeval timeout;
745
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
1804 #endif
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1805 while (debugging) {
723
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
1806 if (prompt) {
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
1807 fputs(">", stdout);
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
1808 fflush(stdout);
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
1809 }
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
1810 process_events();
745
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
1811 #ifndef _WIN32
723
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
1812 timeout.tv_sec = 0;
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
1813 timeout.tv_usec = 16667;
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
1814 FD_SET(fileno(stdin), &read_fds);
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
1815 if(select(fileno(stdin) + 1, &read_fds, NULL, NULL, &timeout) < 1) {
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
1816 prompt = 0;
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
1817 continue;
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
1818 } else {
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
1819 prompt = 1;
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
1820 }
745
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
1821 #endif
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1822 if (!fgets(input_buf, sizeof(input_buf), stdin)) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1823 fputs("fgets failed", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1824 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1825 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1826 strip_nl(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1827 //hitting enter repeats last command
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1828 if (input_buf[0]) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1829 strcpy(last_cmd, input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1830 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1831 strcpy(input_buf, last_cmd);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1832 }
1922
4a811fd1fb6f Added soft reset command to debugger. Added more debugger help
Eric Fry <yuv422@users.noreply.github.com>
parents: 1921
diff changeset
1833 debugging = run_debugger_command(context, address, input_buf, inst, after);
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1834 }
1329
85a90964b557 Fix interaction between 68K debugger and instruction retranslation due to self modifying code or bank switching
Michael Pavone <pavone@retrodev.com>
parents: 1314
diff changeset
1835 return;
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1836 }