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2911 | svoboda | 1 | /* |
2 | * Copyright (c) 2008 Jiri Svoboda |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
29 | /** @addtogroup debug |
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30 | * @{ |
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31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
35 | #include <stdio.h> |
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36 | #include <stdlib.h> |
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37 | #include <string.h> |
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38 | #include <bool.h> |
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2915 | svoboda | 39 | #include <udebug.h> |
40 | #include <sys/types.h> |
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2911 | svoboda | 41 | |
2915 | svoboda | 42 | #include "main.h" |
2923 | svoboda | 43 | #include "include/arch.h" |
2911 | svoboda | 44 | #include "cmd.h" |
45 | |||
46 | static void cmd_break(int argc, char *argv[]); |
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2935 | svoboda | 47 | void cmd_go(int argc, char *argv[]); |
2911 | svoboda | 48 | void cmd_help(int argc, char *argv[]); |
2915 | svoboda | 49 | static void cmd_read(int argc, char *argv[]); |
2911 | svoboda | 50 | static void cmd_quit(int argc, char *argv[]); |
51 | |||
52 | volatile bool quit = false; |
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53 | |||
54 | cmd_desc_t cmd_table[] = { |
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55 | { 1, "break", cmd_break }, |
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2935 | svoboda | 56 | { 0, "go", cmd_go }, |
2911 | svoboda | 57 | { 0, "help", cmd_help }, |
2915 | svoboda | 58 | { 2, "read", cmd_read }, |
2911 | svoboda | 59 | { 0, "quit", cmd_quit }, |
60 | { -1, NULL, NULL } |
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61 | }; |
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62 | |||
63 | static void cmd_break(int argc, char *argv[]) |
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64 | { |
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65 | uintptr_t addr; |
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66 | |||
67 | (void)argc; |
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68 | addr = strtoul(argv[1], NULL, 0); |
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69 | |||
70 | printf("You requested a breakpoint at 0x%x\n", addr); |
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2923 | svoboda | 71 | arch_breakpoint_add(addr); |
2911 | svoboda | 72 | } |
73 | |||
2935 | svoboda | 74 | void cmd_go(int argc, char *argv[]) |
75 | { |
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76 | fcv_broadcast(&go_cv); |
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77 | } |
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78 | |||
2911 | svoboda | 79 | void cmd_help(int argc, char *argv[]) |
80 | { |
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81 | int i; |
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82 | |||
83 | (void)argc; (void)argv; |
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84 | i = 0; |
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85 | while (cmd_table[i].name != NULL) { |
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86 | printf("%s\n", cmd_table[i].name); |
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87 | ++i; |
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88 | } |
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89 | } |
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90 | |||
2915 | svoboda | 91 | #define BYTES_PER_LINE 16 |
92 | |||
93 | static void cmd_read(int argc, char *argv[]) |
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94 | { |
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95 | uintptr_t addr; |
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96 | size_t length; |
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97 | uint8_t buf[BYTES_PER_LINE]; |
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98 | int to_read, i; |
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99 | int rc; |
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100 | |||
101 | (void)argc; |
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102 | addr = strtoul(argv[1], NULL, 0); |
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103 | length = strtoul(argv[2], NULL, 0); |
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104 | |||
105 | while (length > 0) { |
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106 | to_read = length < BYTES_PER_LINE ? length : BYTES_PER_LINE; |
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107 | |||
108 | rc = udebug_mem_read(app_phone, buf, addr, to_read); |
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109 | if (rc < 0) { |
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110 | printf("error %d\n", rc); |
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111 | return; |
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112 | } |
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113 | |||
114 | printf("0x%x:", addr); |
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115 | for (i = 0; i < to_read; ++i) { |
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116 | printf(" %02x", buf[i]); |
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117 | } |
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118 | for (i = to_read; i < BYTES_PER_LINE; ++i) { |
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119 | printf(" "); |
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120 | } |
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121 | |||
122 | putchar ('\t'); |
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123 | |||
124 | for (i = 0; i < to_read; ++i) { |
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125 | if (buf[i] >= 32 && buf[i] < 127) |
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126 | putchar(buf[i]); |
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127 | else |
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128 | putchar('.'); |
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129 | } |
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130 | printf("\n"); |
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131 | |||
132 | addr += to_read; |
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133 | length -= to_read; |
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134 | } |
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135 | } |
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136 | |||
137 | |||
2911 | svoboda | 138 | static void cmd_quit(int argc, char *argv[]) |
139 | { |
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140 | (void)argc; (void)argv; |
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141 | quit = true; |
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142 | } |
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143 | |||
144 | /** @} |
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145 | */ |