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kernel
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cpu
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sh3
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ex.S

ex.S 1.6 KB
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  1. /* SPDX-License-Identifier: GPL-2.0
    2. 

  2.  *
    3. 

  3.  *  arch/sh/kernel/cpu/sh3/ex.S
    4. 

  4.  *
    5. 

  5.  *  The SH-3 and SH-4 exception vector table.
    6. 

  6.  *
    7. 

  7.  *  Copyright (C) 1999, 2000, 2002  Niibe Yutaka
    8. 

  8.  *  Copyright (C) 2003 - 2008  Paul Mundt
    9. 

  9.  */
    10. 

  10. #include <linux/linkage.h>
    11. 

  11. 

  12. #if !defined(CONFIG_MMU)
    13. 

  13. #define	tlb_miss_load			exception_error
    14. 

  14. #define tlb_miss_store			exception_error
    15. 

  15. #define initial_page_write		exception_error
    16. 

  16. #define tlb_protection_violation_load	exception_error
    17. 

  17. #define tlb_protection_violation_store	exception_error
    18. 

  18. #define address_error_load		exception_error
    19. 

  19. #define address_error_store		exception_error
    20. 

  20. #endif
    21. 

  21. 

  22. #if !defined(CONFIG_SH_FPU)
    23. 

  23. #define	fpu_error_trap_handler		exception_error
    24. 

  24. #endif
    25. 

  25. 

  26. #if !defined(CONFIG_KGDB)
    27. 

  27. #define kgdb_handle_exception		exception_error
    28. 

  28. #endif
    29. 

  29. 

  30. 	.align 2
    31. 

  31. 	.data
    32. 

  32. 

  33. ENTRY(exception_handling_table)
    34. 

  34. 	.long	exception_error		/* 000 */
    35. 

  35. 	.long	exception_error
    36. 

  36. 	.long	tlb_miss_load		/* 040 */
    37. 

  37. 	.long	tlb_miss_store
    38. 

  38. 	.long	initial_page_write
    39. 

  39. 	.long	tlb_protection_violation_load
    40. 

  40. 	.long	tlb_protection_violation_store
    41. 

  41. 	.long	address_error_load
    42. 

  42. 	.long	address_error_store	/* 100 */
    43. 

  43. 	.long	fpu_error_trap_handler	/* 120 */
    44. 

  44. 	.long	exception_error		/* 140 */
    45. 

  45. 	.long	system_call	! Unconditional Trap	 /* 160 */
    46. 

  46. 	.long	exception_error	! reserved_instruction (filled by trap_init) /* 180 */
    47. 

  47. 	.long	exception_error	! illegal_slot_instruction (filled by trap_init) /*1A0*/
    48. 

  48. 	.long	nmi_trap_handler	/* 1C0 */	! Allow trap to debugger
    49. 

  49. 	.long	breakpoint_trap_handler	/* 1E0 */
    50. 

  50. 

  51. 	/*
    52. 

  52. 	 * Pad the remainder of the table out, exceptions residing in far
    53. 

  53. 	 * away offsets can be manually inserted in to their appropriate
    54. 

  54. 	 * location via set_exception_table_{evt,vec}().
    55. 

  55. 	 */
    56. 

  56. 	.balign	4096,0,4096
    57.