kgdb.h 2.6 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. #ifndef __ASM_KGDB_H_
  3. #define __ASM_KGDB_H_
  4. #ifdef __KERNEL__
  5. #define GDB_SIZEOF_REG sizeof(unsigned long)
  6. #define DBG_MAX_REG_NUM (36)
  7. #define NUMREGBYTES ((DBG_MAX_REG_NUM) * GDB_SIZEOF_REG)
  8. #define CACHE_FLUSH_IS_SAFE 1
  9. #define BUFMAX 2048
  10. #ifdef CONFIG_RISCV_ISA_C
  11. #define BREAK_INSTR_SIZE 2
  12. #else
  13. #define BREAK_INSTR_SIZE 4
  14. #endif
  15. #ifndef __ASSEMBLY__
  16. extern unsigned long kgdb_compiled_break;
  17. static inline void arch_kgdb_breakpoint(void)
  18. {
  19. asm(".global kgdb_compiled_break\n"
  20. ".option norvc\n"
  21. "kgdb_compiled_break: ebreak\n"
  22. ".option rvc\n");
  23. }
  24. #endif /* !__ASSEMBLY__ */
  25. #define DBG_REG_ZERO "zero"
  26. #define DBG_REG_RA "ra"
  27. #define DBG_REG_SP "sp"
  28. #define DBG_REG_GP "gp"
  29. #define DBG_REG_TP "tp"
  30. #define DBG_REG_T0 "t0"
  31. #define DBG_REG_T1 "t1"
  32. #define DBG_REG_T2 "t2"
  33. #define DBG_REG_FP "fp"
  34. #define DBG_REG_S1 "s1"
  35. #define DBG_REG_A0 "a0"
  36. #define DBG_REG_A1 "a1"
  37. #define DBG_REG_A2 "a2"
  38. #define DBG_REG_A3 "a3"
  39. #define DBG_REG_A4 "a4"
  40. #define DBG_REG_A5 "a5"
  41. #define DBG_REG_A6 "a6"
  42. #define DBG_REG_A7 "a7"
  43. #define DBG_REG_S2 "s2"
  44. #define DBG_REG_S3 "s3"
  45. #define DBG_REG_S4 "s4"
  46. #define DBG_REG_S5 "s5"
  47. #define DBG_REG_S6 "s6"
  48. #define DBG_REG_S7 "s7"
  49. #define DBG_REG_S8 "s8"
  50. #define DBG_REG_S9 "s9"
  51. #define DBG_REG_S10 "s10"
  52. #define DBG_REG_S11 "s11"
  53. #define DBG_REG_T3 "t3"
  54. #define DBG_REG_T4 "t4"
  55. #define DBG_REG_T5 "t5"
  56. #define DBG_REG_T6 "t6"
  57. #define DBG_REG_EPC "pc"
  58. #define DBG_REG_STATUS "sstatus"
  59. #define DBG_REG_BADADDR "stval"
  60. #define DBG_REG_CAUSE "scause"
  61. #define DBG_REG_ZERO_OFF 0
  62. #define DBG_REG_RA_OFF 1
  63. #define DBG_REG_SP_OFF 2
  64. #define DBG_REG_GP_OFF 3
  65. #define DBG_REG_TP_OFF 4
  66. #define DBG_REG_T0_OFF 5
  67. #define DBG_REG_T1_OFF 6
  68. #define DBG_REG_T2_OFF 7
  69. #define DBG_REG_FP_OFF 8
  70. #define DBG_REG_S1_OFF 9
  71. #define DBG_REG_A0_OFF 10
  72. #define DBG_REG_A1_OFF 11
  73. #define DBG_REG_A2_OFF 12
  74. #define DBG_REG_A3_OFF 13
  75. #define DBG_REG_A4_OFF 14
  76. #define DBG_REG_A5_OFF 15
  77. #define DBG_REG_A6_OFF 16
  78. #define DBG_REG_A7_OFF 17
  79. #define DBG_REG_S2_OFF 18
  80. #define DBG_REG_S3_OFF 19
  81. #define DBG_REG_S4_OFF 20
  82. #define DBG_REG_S5_OFF 21
  83. #define DBG_REG_S6_OFF 22
  84. #define DBG_REG_S7_OFF 23
  85. #define DBG_REG_S8_OFF 24
  86. #define DBG_REG_S9_OFF 25
  87. #define DBG_REG_S10_OFF 26
  88. #define DBG_REG_S11_OFF 27
  89. #define DBG_REG_T3_OFF 28
  90. #define DBG_REG_T4_OFF 29
  91. #define DBG_REG_T5_OFF 30
  92. #define DBG_REG_T6_OFF 31
  93. #define DBG_REG_EPC_OFF 32
  94. #define DBG_REG_STATUS_OFF 33
  95. #define DBG_REG_BADADDR_OFF 34
  96. #define DBG_REG_CAUSE_OFF 35
  97. extern const char riscv_gdb_stub_feature[64];
  98. #define kgdb_arch_gdb_stub_feature riscv_gdb_stub_feature
  99. #endif
  100. #endif