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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. #ifndef TRACE_H
  21. #define TRACE_H
  22. #include <helper/types.h>
  23. struct target;
  24. struct command_context;
  25. struct trace_point
  26. {
  27. uint32_t address;
  28. uint64_t hit_counter;
  29. };
  30. struct trace
  31. {
  32. uint32_t num_trace_points;
  33. uint32_t trace_points_size;
  34. struct trace_point *trace_points;
  35. uint32_t trace_history_size;
  36. uint32_t *trace_history;
  37. uint32_t trace_history_pos;
  38. int trace_history_overflowed;
  39. };
  40. /**
  41. * \todo This enum is one of the few things in this file related
  42. * to *hardware* tracing ... split such "real" tracing out from
  43. * the contrib/libdcc support.
  44. */
  45. typedef enum trace_status
  46. {
  47. TRACE_IDLE = 0x0,
  48. TRACE_RUNNING = 0x1,
  49. TRACE_TRIGGERED = 0x2,
  50. TRACE_COMPLETED = 0x4,
  51. TRACE_OVERFLOWED = 0x8,
  52. } trace_status_t;
  53. int trace_point(struct target *target, uint32_t number);
  54. int trace_register_commands(struct command_context *cmd_ctx);
  55. #define ERROR_TRACE_IMAGE_UNAVAILABLE -(1500)
  56. #define ERROR_TRACE_INSTRUCTION_UNAVAILABLE -(1501)
  57. #endif /* TRACE_H */