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libcpu
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aarch64
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common
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vector_gcc.S

vector_gcc.S 1.5 KB
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  1. /*
    2. 

  2.  * Copyright (c) 2006-2020, RT-Thread Development Team
    3. 

  3.  *
    4. 

  4.  * SPDX-License-Identifier: Apache-2.0
    5. 

  5.  *
    6. 

  6.  * Date           Author       Notes
    7. 

  7.  * 2018-10-06     ZhaoXiaowei    the first version
    8. 

  8.  */
    9. 

  9.  
    10. 

  10. .text
    11. 

  11. 

  12. .globl system_vectors
    13. 

  13. .globl vector_error
    14. 

  14. .globl vector_irq
    15. 

  15. .globl vector_fiq
    16. 

  16. 

  17. system_vectors:
    18. 

  18. .align 11
    19. 

  19.     .set    VBAR, system_vectors
    20. 

  20.     .org    VBAR
    21. 

  21.     // Exception from CurrentEL (EL1) with SP_EL0 (SPSEL=1)
    22. 

  22.     .org (VBAR + 0x00 + 0)
    23. 

  23.     B vector_error      // 			Synchronous
    24. 

  24.     .org (VBAR + 0x80 + 0)
    25. 

  25.     B vector_irq        //          IRQ/vIRQ
    26. 

  26.     .org (VBAR + 0x100 + 0)
    27. 

  27.     B vector_fiq        //          FIQ/vFIQ
    28. 

  28.     .org (VBAR + 0x180 + 0)
    29. 

  29.     B vector_error      //          Error/vError
    30. 

  30. 

  31.     // Exception from CurrentEL (EL1) with SP_ELn
    32. 

  32.     .org (VBAR + 0x200 + 0)
    33. 

  33.     B vector_error      // 			Synchronous
    34. 

  34.     .org (VBAR + 0x280 + 0)
    35. 

  35.     B vector_irq    	// 			IRQ/vIRQ
    36. 

  36.     .org (VBAR + 0x300 + 0)
    37. 

  37.     B vector_fiq        //          FIQ/vFIQ
    38. 

  38.     .org (VBAR + 0x380 + 0)
    39. 

  39.     B vector_error
    40. 

  40. 

  41.     // Exception from lower EL, aarch64
    42. 

  42.     .org (VBAR + 0x400 + 0)
    43. 

  43.     B vector_error
    44. 

  44.     .org (VBAR + 0x480 + 0)
    45. 

  45.     B vector_error
    46. 

  46.     .org (VBAR + 0x500 + 0)
    47. 

  47.     B vector_error
    48. 

  48.     .org (VBAR + 0x580 + 0)
    49. 

  49.     B vector_error
    50. 

  50. 

  51.     // Exception from lower EL, aarch32
    52. 

  52.     .org (VBAR + 0x600 + 0)
    53. 

  53.     B vector_error
    54. 

  54.     .org (VBAR + 0x680 + 0)
    55. 

  55.     B vector_error
    56. 

  56.     .org (VBAR + 0x700 + 0)
    57. 

  57.     B vector_error
    58. 

  58.     .org (VBAR + 0x780 + 0)
    59. 

  59.     B vector_error
    60. 

  60.     .org (VBAR + 0x800 + 0)
    61. 

  61.     B vector_error
    62.