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  1. /***************************************************************************
  2. * Copyright (C) 2005 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 ARM920T_H
  21. #define ARM920T_H
  22. #include "arm9tdmi.h"
  23. #include "armv4_5_mmu.h"
  24. #define ARM920T_COMMON_MAGIC 0xa920a920
  25. struct arm920t_common
  26. {
  27. struct arm7_9_common arm7_9_common;
  28. uint32_t common_magic;
  29. struct armv4_5_mmu_common armv4_5_mmu;
  30. uint32_t cp15_control_reg;
  31. uint32_t d_fsr;
  32. uint32_t i_fsr;
  33. uint32_t d_far;
  34. uint32_t i_far;
  35. int preserve_cache;
  36. };
  37. static inline struct arm920t_common *
  38. target_to_arm920(struct target *target)
  39. {
  40. return container_of(target->arch_info, struct arm920t_common,
  41. arm7_9_common.armv4_5_common);
  42. }
  43. struct arm920t_cache_line
  44. {
  45. uint32_t cam;
  46. uint32_t data[8];
  47. };
  48. struct arm920t_tlb_entry
  49. {
  50. uint32_t cam;
  51. uint32_t ram1;
  52. uint32_t ram2;
  53. };
  54. int arm920t_arch_state(struct target *target);
  55. int arm920t_soft_reset_halt(struct target *target);
  56. int arm920t_read_memory(struct target *target,
  57. uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
  58. int arm920t_write_memory(struct target *target,
  59. uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
  60. void arm920t_post_debug_entry(struct target *target);
  61. void arm920t_pre_restore_context(struct target *target);
  62. uint32_t arm920t_get_ttb(struct target *target);
  63. void arm920t_disable_mmu_caches(struct target *target,
  64. int mmu, int d_u_cache, int i_cache);
  65. void arm920t_enable_mmu_caches(struct target *target,
  66. int mmu, int d_u_cache, int i_cache);
  67. extern const struct command_registration arm920t_command_handlers[];
  68. #endif /* ARM920T_H */