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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 ETB_H
  21. #define ETB_H
  22. #include "command.h"
  23. #include "target.h"
  24. #include "register.h"
  25. #include "arm_jtag.h"
  26. #include "etb.h"
  27. #include "etm.h"
  28. /* ETB registers */
  29. enum
  30. {
  31. ETB_ID = 0x00,
  32. ETB_RAM_DEPTH = 0x01,
  33. ETB_RAM_WIDTH = 0x02,
  34. ETB_STATUS = 0x03,
  35. ETB_RAM_DATA = 0x04,
  36. ETB_RAM_READ_POINTER = 0x05,
  37. ETB_RAM_WRITE_POINTER = 0x06,
  38. ETB_TRIGGER_COUNTER = 0x07,
  39. ETB_CTRL = 0x08,
  40. };
  41. typedef struct etb_s
  42. {
  43. etm_context_t *etm_ctx;
  44. int chain_pos;
  45. int cur_scan_chain;
  46. reg_cache_t *reg_cache;
  47. /* ETB parameters */
  48. int ram_depth;
  49. int ram_width;
  50. } etb_t;
  51. typedef struct etb_reg_s
  52. {
  53. int addr;
  54. etb_t *etb;
  55. } etb_reg_t;
  56. extern etm_capture_driver_t etb_capture_driver;
  57. extern reg_cache_t* etb_build_reg_cache(etb_t *etb);
  58. extern int etb_read_reg(reg_t *reg);
  59. extern int etb_write_reg(reg_t *reg, u32 value);
  60. extern int etb_read_reg_w_check(reg_t *reg, u8* check_value, u8* check_mask);
  61. extern int etb_store_reg(reg_t *reg);
  62. extern int etb_set_reg(reg_t *reg, u32 value);
  63. extern int etb_set_reg_w_exec(reg_t *reg, u8 *buf);
  64. extern int etb_register_commands(struct command_context_s *cmd_ctx);
  65. #endif /* ETB_H */