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  1. /***************************************************************************
  2. * Copyright (C) 2007 by Dominic Rath *
  3. * Dominic.Rath@gmx.de *
  4. * *
  5. * This program is free software; you can redistribute it and/or modify *
  6. * it under the terms of the GNU General Public License as published by *
  7. * the Free Software Foundation; either version 2 of the License, or *
  8. * (at your option) any later version. *
  9. * *
  10. * This program is distributed in the hope that it will be useful, *
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of *
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
  13. * GNU General Public License for more details. *
  14. * *
  15. * You should have received a copy of the GNU General Public License *
  16. * along with this program; if not, write to the *
  17. * Free Software Foundation, Inc., *
  18. * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
  19. ***************************************************************************/
  20. #ifdef HAVE_CONFIG_H
  21. #include "config.h"
  22. #endif
  23. #include <string.h>
  24. #include "etm_dummy.h"
  25. #include "etm.h"
  26. #include "arm7_9_common.h"
  27. #include "log.h"
  28. #include "types.h"
  29. #include "binarybuffer.h"
  30. #include "target.h"
  31. #include "register.h"
  32. #include "jtag.h"
  33. #include <stdlib.h>
  34. int handle_etm_dummy_config_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
  35. {
  36. target_t *target;
  37. armv4_5_common_t *armv4_5;
  38. arm7_9_common_t *arm7_9;
  39. target = get_target_by_num(strtoul(args[0], NULL, 0));
  40. if (!target)
  41. {
  42. LOG_ERROR("target number '%s' not defined", args[0]);
  43. return ERROR_FAIL;
  44. }
  45. if (arm7_9_get_arch_pointers(target, &armv4_5, &arm7_9) != ERROR_OK)
  46. {
  47. command_print(cmd_ctx, "current target isn't an ARM7/ARM9 target");
  48. return ERROR_FAIL;
  49. }
  50. if (arm7_9->etm_ctx)
  51. {
  52. arm7_9->etm_ctx->capture_driver_priv = NULL;
  53. }
  54. else
  55. {
  56. LOG_ERROR("target has no ETM defined, ETM dummy left unconfigured");
  57. return ERROR_FAIL;
  58. }
  59. return ERROR_OK;
  60. }
  61. int etm_dummy_register_commands(struct command_context_s *cmd_ctx)
  62. {
  63. command_t *etm_dummy_cmd;
  64. etm_dummy_cmd = register_command(cmd_ctx, NULL, "etm_dummy", NULL, COMMAND_ANY, "Dummy ETM capture driver");
  65. register_command(cmd_ctx, etm_dummy_cmd, "config", handle_etm_dummy_config_command, COMMAND_CONFIG, NULL);
  66. return ERROR_OK;
  67. }
  68. int etm_dummy_init(etm_context_t *etm_ctx)
  69. {
  70. return ERROR_OK;
  71. }
  72. trace_status_t etm_dummy_status(etm_context_t *etm_ctx)
  73. {
  74. return TRACE_IDLE;
  75. }
  76. int etm_dummy_read_trace(etm_context_t *etm_ctx)
  77. {
  78. return ERROR_OK;
  79. }
  80. int etm_dummy_start_capture(etm_context_t *etm_ctx)
  81. {
  82. return ERROR_ETM_PORTMODE_NOT_SUPPORTED;
  83. }
  84. int etm_dummy_stop_capture(etm_context_t *etm_ctx)
  85. {
  86. return ERROR_OK;
  87. }
  88. etm_capture_driver_t etm_dummy_capture_driver =
  89. {
  90. .name = "dummy",
  91. .register_commands = etm_dummy_register_commands,
  92. .init = etm_dummy_init,
  93. .status = etm_dummy_status,
  94. .start_capture = etm_dummy_start_capture,
  95. .stop_capture = etm_dummy_stop_capture,
  96. .read_trace = etm_dummy_read_trace,
  97. };