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annotate debug.c @ 2045:b119e0de9a70 proprietary

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Strip out mega wifi support and debugger
author Michael Pavone <pavone@retrodev.com>
date Tue, 21 Sep 2021 23:17:34 -0700
parents a7b753e260a2
children
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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 <stdlib.h>
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5 #include <string.h>
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6 #ifndef _WIN32
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7 #include <sys/select.h>
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8 #endif
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9 #include "render.h"
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10 #include "util.h"
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11 #include "terminal.h"
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12 #include "z80inst.h"
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13
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14 #ifdef NEW_CORE
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15 #define Z80_OPTS opts
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16 #else
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17 #define Z80_OPTS options
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18 #endif
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19
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20 static bp_def * breakpoints = NULL;
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21 static bp_def * zbreakpoints = NULL;
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22 static uint32_t bp_index = 0;
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23 static uint32_t zbp_index = 0;
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25 bp_def ** find_breakpoint(bp_def ** cur, uint32_t address)
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26 {
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27 while (*cur) {
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28 if ((*cur)->address == address) {
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29 break;
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30 }
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31 cur = &((*cur)->next);
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32 }
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33 return cur;
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34 }
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36 bp_def ** find_breakpoint_idx(bp_def ** cur, uint32_t index)
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37 {
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38 while (*cur) {
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39 if ((*cur)->index == index) {
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40 break;
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41 }
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42 cur = &((*cur)->next);
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43 }
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44 return cur;
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45 }
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46
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47 disp_def * displays = NULL;
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48 disp_def * zdisplays = NULL;
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49 uint32_t disp_index = 0;
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50 uint32_t zdisp_index = 0;
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51
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52 void add_display(disp_def ** head, uint32_t *index, char format_char, char * param)
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53 {
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54 disp_def * ndisp = malloc(sizeof(*ndisp));
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55 ndisp->format_char = format_char;
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56 ndisp->param = strdup(param);
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57 ndisp->next = *head;
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58 ndisp->index = *index++;
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59 *head = ndisp;
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60 }
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61
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62 void remove_display(disp_def ** head, uint32_t index)
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63 {
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64 while (*head) {
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65 if ((*head)->index == index) {
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66 disp_def * del_disp = *head;
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67 *head = del_disp->next;
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68 free(del_disp->param);
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69 free(del_disp);
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70 } else {
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71 head = &(*head)->next;
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72 }
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73 }
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74 }
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75
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76 char * find_param(char * buf)
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77 {
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78 for (; *buf; buf++) {
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79 if (*buf == ' ') {
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80 if (*(buf+1)) {
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81 return buf+1;
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82 }
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83 }
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84 }
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85 return NULL;
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86 }
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87
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88 void strip_nl(char * buf)
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89 {
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90 for(; *buf; buf++) {
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91 if (*buf == '\n') {
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92 *buf = 0;
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93 return;
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94 }
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95 }
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96 }
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97
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98 static uint8_t m68k_read_byte(uint32_t address, m68k_context *context)
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99 {
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100 //TODO: share this implementation with GDB debugger
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101 return read_byte(address, (void **)context->mem_pointers, &context->options->gen, context);
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102 }
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103
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104 uint16_t m68k_read_word(uint32_t address, m68k_context *context)
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105 {
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106 return read_word(address, (void **)context->mem_pointers, &context->options->gen, context);
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107 }
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108
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109 uint32_t m68k_read_long(uint32_t address, m68k_context *context)
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110 {
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111 return m68k_read_word(address, context) << 16 | m68k_read_word(address + 2, context);
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112 }
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113
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114 void debugger_print(m68k_context *context, char format_char, char *param, uint32_t address)
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115 {
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116 }
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117
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118 #ifndef NO_Z80
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119
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120 void zdebugger_print(z80_context * context, char format_char, char * param)
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121 {
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122 }
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123
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124 z80_context * zdebugger(z80_context * context, uint16_t address)
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125 {
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126 return context;
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127 }
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128
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129 #endif
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130
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131 void debugger(m68k_context * context, uint32_t address)
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132 {
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133 return;
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134 }