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ARK-OS
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arkos
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kernel
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arch
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parisc
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include
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asm
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kgdb.h

kgdb.h 1.3 KB
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  1. /* SPDX-License-Identifier: GPL-2.0 */
    2. 

  2. /*
    3. 

  3.  * PA-RISC KGDB support
    4. 

  4.  *
    5. 

  5.  * Copyright (c) 2019 Sven Schnelle <svens@stackframe.org>
    6. 

  6.  *
    7. 

  7.  */
    8. 

  8. 

  9. #ifndef __PARISC_KGDB_H__
    10. 

  10. #define __PARISC_KGDB_H__
    11. 

  11. 

  12. #define BREAK_INSTR_SIZE		4
    13. 

  13. #define PARISC_KGDB_COMPILED_BREAK_INSN	0x3ffc01f
    14. 

  14. #define PARISC_KGDB_BREAK_INSN		0x3ffa01f
    15. 

  15. 

  16. 

  17. #define NUMREGBYTES			sizeof(struct parisc_gdb_regs)
    18. 

  18. #define BUFMAX				4096
    19. 

  19. 

  20. #define KGDB_MAX_BREAKPOINTS		40
    21. 

  21. 

  22. #define CACHE_FLUSH_IS_SAFE		1
    23. 

  23. 

  24. #ifndef __ASSEMBLER__
    25. 

  25. 

  26. static inline void arch_kgdb_breakpoint(void)
    27. 

  27. {
    28. 

  28. 	asm(".word %0" : : "i"(PARISC_KGDB_COMPILED_BREAK_INSN) : "memory");
    29. 

  29. }
    30. 

  30. 

  31. struct parisc_gdb_regs {
    32. 

  32. 	unsigned long gpr[32];
    33. 

  33. 	unsigned long sar;
    34. 

  34. 	unsigned long iaoq_f;
    35. 

  35. 	unsigned long iasq_f;
    36. 

  36. 	unsigned long iaoq_b;
    37. 

  37. 	unsigned long iasq_b;
    38. 

  38. 	unsigned long eiem;
    39. 

  39. 	unsigned long iir;
    40. 

  40. 	unsigned long isr;
    41. 

  41. 	unsigned long ior;
    42. 

  42. 	unsigned long ipsw;
    43. 

  43. 	unsigned long __unused0;
    44. 

  44. 	unsigned long sr4;
    45. 

  45. 	unsigned long sr0;
    46. 

  46. 	unsigned long sr1;
    47. 

  47. 	unsigned long sr2;
    48. 

  48. 	unsigned long sr3;
    49. 

  49. 	unsigned long sr5;
    50. 

  50. 	unsigned long sr6;
    51. 

  51. 	unsigned long sr7;
    52. 

  52. 	unsigned long cr0;
    53. 

  53. 	unsigned long pid1;
    54. 

  54. 	unsigned long pid2;
    55. 

  55. 	unsigned long scrccr;
    56. 

  56. 	unsigned long pid3;
    57. 

  57. 	unsigned long pid4;
    58. 

  58. 	unsigned long cr24;
    59. 

  59. 	unsigned long cr25;
    60. 

  60. 	unsigned long cr26;
    61. 

  61. 	unsigned long cr27;
    62. 

  62. 	unsigned long cr28;
    63. 

  63. 	unsigned long cr29;
    64. 

  64. 	unsigned long cr30;
    65. 

  65. 

  66. 	u64 fr[32];
    67. 

  67. };
    68. 

  68. 

  69. #endif
    70. 

  70. #endif
    71.