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  1. /***************************************************************************
  2. * Copyright (C) 2005 by Dominic Rath *
  3. * Dominic.Rath@gmx.de *
  4. * *
  5. * Copyright (C) 2007,2008 Øyvind Harboe *
  6. * oyvind.harboe@zylin.com *
  7. * *
  8. * Copyright (C) 2008 by Spencer Oliver *
  9. * spen@spen-soft.co.uk *
  10. * *
  11. * Copyright (C) 2008 by Hongtao Zheng *
  12. * hontor@126.com *
  13. * *
  14. * This program is free software; you can redistribute it and/or modify *
  15. * it under the terms of the GNU General Public License as published by *
  16. * the Free Software Foundation; either version 2 of the License, or *
  17. * (at your option) any later version. *
  18. * *
  19. * This program is distributed in the hope that it will be useful, *
  20. * but WITHOUT ANY WARRANTY; without even the implied warranty of *
  21. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
  22. * GNU General Public License for more details. *
  23. * *
  24. * You should have received a copy of the GNU General Public License *
  25. * along with this program; if not, write to the *
  26. * Free Software Foundation, Inc., *
  27. * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
  28. ***************************************************************************/
  29. #ifndef ARM7_9_COMMON_H
  30. #define ARM7_9_COMMON_H
  31. #include "breakpoints.h"
  32. #include "etm.h"
  33. #define ARM7_9_COMMON_MAGIC 0x0a790a79 /**< */
  34. /**
  35. * Structure for items that are common between both ARM7 and ARM9 targets.
  36. */
  37. typedef struct arm7_9_common_s
  38. {
  39. u32 common_magic;
  40. arm_jtag_t jtag_info; /**< JTAG information for target */
  41. reg_cache_t *eice_cache; /**< Embedded ICE register cache */
  42. u32 arm_bkpt; /**< ARM breakpoint instruction */
  43. u16 thumb_bkpt; /**< Thumb breakpoint instruction */
  44. int sw_breakpoints_added; /**< Specifies which watchpoint software breakpoints are setup on */
  45. int breakpoint_count; /**< Current number of set breakpoints */
  46. int wp_available; /**< Current number of available watchpoint units */
  47. int wp_available_max; /**< Maximum number of available watchpoint units */
  48. int wp0_used; /**< Specifies if and how watchpoint unit 0 is used */
  49. int wp1_used; /**< Specifies if and how watchpoint unit 1 is used */
  50. int wp1_used_default; /**< Specifies if and how watchpoint unit 1 is used by default */
  51. int force_hw_bkpts;
  52. int dbgreq_adjust_pc; /**< Amount of PC adjustment caused by a DBGREQ */
  53. int use_dbgrq; /**< Specifies if DBGRQ should be used to halt the target */
  54. int need_bypass_before_restart; /**< Specifies if there should be a bypass before a JTAG restart */
  55. etm_context_t *etm_ctx;
  56. int has_single_step;
  57. int has_monitor_mode;
  58. int has_vector_catch; /**< Specifies if the target has a reset vector catch */
  59. int debug_entry_from_reset; /**< Specifies if debug entry was from a reset */
  60. struct working_area_s *dcc_working_area;
  61. int fast_memory_access;
  62. int dcc_downloads;
  63. int (*examine_debug_reason)(target_t *target); /**< Function for determining why debug state was entered */
  64. void (*change_to_arm)(target_t *target, u32 *r0, u32 *pc); /**< Function for changing from Thumb to ARM mode */
  65. void (*read_core_regs)(target_t *target, u32 mask, u32 *core_regs[16]); /**< Function for reading the core registers */
  66. void (*read_core_regs_target_buffer)(target_t *target, u32 mask, void *buffer, int size);
  67. void (*read_xpsr)(target_t *target, u32 *xpsr, int spsr); /**< Function for reading CPSR or SPSR */
  68. void (*write_xpsr)(target_t *target, u32 xpsr, int spsr); /**< Function for writing to CPSR or SPSR */
  69. void (*write_xpsr_im8)(target_t *target, u8 xpsr_im, int rot, int spsr); /**< Function for writing an immediate value to CPSR or SPSR */
  70. void (*write_core_regs)(target_t *target, u32 mask, u32 core_regs[16]);
  71. void (*load_word_regs)(target_t *target, u32 mask);
  72. void (*load_hword_reg)(target_t *target, int num);
  73. void (*load_byte_reg)(target_t *target, int num);
  74. void (*store_word_regs)(target_t *target, u32 mask);
  75. void (*store_hword_reg)(target_t *target, int num);
  76. void (*store_byte_reg)(target_t *target, int num);
  77. void (*write_pc)(target_t *target, u32 pc); /**< Function for writing to the program counter */
  78. void (*branch_resume)(target_t *target);
  79. void (*branch_resume_thumb)(target_t *target);
  80. void (*enable_single_step)(target_t *target, u32 next_pc);
  81. void (*disable_single_step)(target_t *target);
  82. void (*set_special_dbgrq)(target_t *target); /**< Function for setting DBGRQ if the normal way won't work */
  83. void (*pre_debug_entry)(target_t *target); /**< Callback function called before entering debug mode */
  84. void (*post_debug_entry)(target_t *target); /**< Callback function called after entering debug mode */
  85. void (*pre_restore_context)(target_t *target); /**< Callback function called before restoring the processor context */
  86. void (*post_restore_context)(target_t *target); /**< Callback function called after restoring the processor context */
  87. armv4_5_common_t armv4_5_common;
  88. void *arch_info;
  89. } arm7_9_common_t;
  90. int arm7_9_register_commands(struct command_context_s *cmd_ctx);
  91. int arm7_9_poll(target_t *target);
  92. int arm7_9_target_request_data(target_t *target, u32 size, u8 *buffer);
  93. int arm7_9_setup(target_t *target);
  94. int arm7_9_assert_reset(target_t *target);
  95. int arm7_9_deassert_reset(target_t *target);
  96. int arm7_9_reset_request_halt(target_t *target);
  97. int arm7_9_early_halt(target_t *target);
  98. int arm7_9_soft_reset_halt(struct target_s *target);
  99. int arm7_9_prepare_reset_halt(struct target_s *target);
  100. int arm7_9_halt(target_t *target);
  101. int arm7_9_full_context(target_t *target);
  102. int arm7_9_restore_context(target_t *target);
  103. int arm7_9_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution);
  104. int arm7_9_step(struct target_s *target, int current, u32 address, int handle_breakpoints);
  105. int arm7_9_read_core_reg(struct target_s *target, int num, enum armv4_5_mode mode);
  106. int arm7_9_read_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer);
  107. int arm7_9_write_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer);
  108. int arm7_9_bulk_write_memory(target_t *target, u32 address, u32 count, u8 *buffer);
  109. int arm7_9_checksum_memory(struct target_s *target, u32 address, u32 count, u32* checksum);
  110. int arm7_9_blank_check_memory(struct target_s *target, u32 address, u32 count, u32* blank);
  111. int arm7_9_run_algorithm(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_prams, reg_param_t *reg_param, u32 entry_point, void *arch_info);
  112. int arm7_9_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint);
  113. int arm7_9_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint);
  114. int arm7_9_add_watchpoint(struct target_s *target, watchpoint_t *watchpoint);
  115. int arm7_9_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint);
  116. void arm7_9_enable_eice_step(target_t *target, u32 next_pc);
  117. void arm7_9_disable_eice_step(target_t *target);
  118. int arm7_9_execute_sys_speed(struct target_s *target);
  119. int arm7_9_init_arch_info(target_t *target, arm7_9_common_t *arm7_9);
  120. int arm7_9_get_arch_pointers(target_t *target, armv4_5_common_t **armv4_5_p, arm7_9_common_t **arm7_9_p);
  121. #endif /* ARM7_9_COMMON_H */