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  1. /*
  2.  * Copyright (c) 2008 Jiri Svoboda
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup debug
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #include <stdio.h>
  36. #include <stdlib.h>
  37. #include <string.h>
  38. #include <bool.h>
  39. #include <udebug.h>
  40. #include <sys/types.h>
  41.  
  42. #include "main.h"
  43. #include "cons.h"
  44. #include "include/arch.h"
  45. #include "cmd.h"
  46.  
  47. static void cmd_break(int argc, char *argv[]);
  48. void        cmd_go(int argc, char *argv[]);
  49. void        cmd_help(int argc, char *argv[]);
  50. static void cmd_read(int argc, char *argv[]);
  51. static void cmd_quit(int argc, char *argv[]);
  52.  
  53. volatile bool quit = false;
  54.  
  55. cmd_desc_t cmd_table[] = {
  56.     { 1,    "break",    cmd_break },
  57.     { 0,    "go",       cmd_go },
  58.     { 0,    "help",     cmd_help },
  59.     { 2,    "read",     cmd_read },
  60.     { 0,    "quit",     cmd_quit },
  61.     { -1,   NULL,       NULL }
  62. };
  63.  
  64. static void cmd_break(int argc, char *argv[])
  65. {
  66.     uintptr_t addr;
  67.  
  68.     (void)argc;
  69.     addr = strtoul(argv[1], NULL, 0);
  70.  
  71.     cons_printf("You requested a breakpoint at 0x%x\n", addr);
  72.     arch_breakpoint_add(addr);
  73. }
  74.  
  75. void cmd_go(int argc, char *argv[])
  76. {
  77.     fcv_broadcast(&go_cv);
  78. }
  79.  
  80. void cmd_help(int argc, char *argv[])
  81. {
  82.     int i;
  83.  
  84.     (void)argc; (void)argv;
  85.     i = 0;
  86.     while (cmd_table[i].name != NULL) {
  87.         cons_printf("%s\n", cmd_table[i].name);
  88.         ++i;
  89.     }
  90. }
  91.  
  92. #define BYTES_PER_LINE 16
  93.  
  94. static void cmd_read(int argc, char *argv[])
  95. {
  96.     uintptr_t addr;
  97.     size_t length;
  98.     uint8_t buf[BYTES_PER_LINE];
  99.     int to_read, i;
  100.     int rc;
  101.  
  102.     (void)argc;
  103.     addr = strtoul(argv[1], NULL, 0);
  104.     length = strtoul(argv[2], NULL, 0);
  105.  
  106.     while (length > 0) {
  107.         to_read = length < BYTES_PER_LINE ? length : BYTES_PER_LINE;
  108.  
  109.         rc = udebug_mem_read(app_phone, buf, addr, to_read);
  110.         if (rc < 0) {
  111.             cons_printf("error %d\n", rc);
  112.             return;
  113.         }
  114.  
  115.         cons_printf("0x%x:", addr);
  116.         for (i = 0; i < to_read; ++i) {
  117.             cons_printf(" %02x", buf[i]);
  118.         }
  119.         for (i = to_read; i < BYTES_PER_LINE; ++i) {
  120.             cons_printf("   ");
  121.         }
  122.  
  123.         putchar ('\t');
  124.  
  125.         for (i = 0; i < to_read; ++i) {
  126.             if (buf[i] >= 32 && buf[i] < 127)
  127.                 putchar(buf[i]);
  128.             else
  129.                 putchar('.');
  130.         }
  131.         cons_printf("\n");
  132.  
  133.         addr += to_read;
  134.         length -= to_read;
  135.     }
  136. }
  137.  
  138.  
  139. static void cmd_quit(int argc, char *argv[])
  140. {
  141.     (void)argc; (void)argv;
  142.     quit = true;
  143. }
  144.  
  145. /** @}
  146.  */
  147.