efi.h 4.0 KB

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  1. #ifndef _ASM_X86_EFI_H
  2. #define _ASM_X86_EFI_H
  3. #ifdef CONFIG_X86_32
  4. extern unsigned long asmlinkage efi_call_phys(void *, ...);
  5. #define efi_call_phys0(f) efi_call_phys(f)
  6. #define efi_call_phys1(f, a1) efi_call_phys(f, a1)
  7. #define efi_call_phys2(f, a1, a2) efi_call_phys(f, a1, a2)
  8. #define efi_call_phys3(f, a1, a2, a3) efi_call_phys(f, a1, a2, a3)
  9. #define efi_call_phys4(f, a1, a2, a3, a4) \
  10. efi_call_phys(f, a1, a2, a3, a4)
  11. #define efi_call_phys5(f, a1, a2, a3, a4, a5) \
  12. efi_call_phys(f, a1, a2, a3, a4, a5)
  13. #define efi_call_phys6(f, a1, a2, a3, a4, a5, a6) \
  14. efi_call_phys(f, a1, a2, a3, a4, a5, a6)
  15. /*
  16. * Wrap all the virtual calls in a way that forces the parameters on the stack.
  17. */
  18. #define efi_call_virt(f, args...) \
  19. ((efi_##f##_t __attribute__((regparm(0)))*)efi.systab->runtime->f)(args)
  20. #define efi_call_virt0(f) efi_call_virt(f)
  21. #define efi_call_virt1(f, a1) efi_call_virt(f, a1)
  22. #define efi_call_virt2(f, a1, a2) efi_call_virt(f, a1, a2)
  23. #define efi_call_virt3(f, a1, a2, a3) efi_call_virt(f, a1, a2, a3)
  24. #define efi_call_virt4(f, a1, a2, a3, a4) \
  25. efi_call_virt(f, a1, a2, a3, a4)
  26. #define efi_call_virt5(f, a1, a2, a3, a4, a5) \
  27. efi_call_virt(f, a1, a2, a3, a4, a5)
  28. #define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \
  29. efi_call_virt(f, a1, a2, a3, a4, a5, a6)
  30. /*
  31. * We require an early boot_ioremap mapping mechanism initially
  32. */
  33. extern void *boot_ioremap(unsigned long, unsigned long);
  34. #define efi_early_ioremap(addr, size) boot_ioremap(addr, size)
  35. #define efi_early_iounmap(vaddr, size)
  36. #define efi_ioremap(addr, size) ioremap(addr, size)
  37. #define end_pfn_map max_low_pfn
  38. #else /* !CONFIG_X86_32 */
  39. #define MAX_EFI_IO_PAGES 100
  40. extern u64 efi_call0(void *fp);
  41. extern u64 efi_call1(void *fp, u64 arg1);
  42. extern u64 efi_call2(void *fp, u64 arg1, u64 arg2);
  43. extern u64 efi_call3(void *fp, u64 arg1, u64 arg2, u64 arg3);
  44. extern u64 efi_call4(void *fp, u64 arg1, u64 arg2, u64 arg3, u64 arg4);
  45. extern u64 efi_call5(void *fp, u64 arg1, u64 arg2, u64 arg3,
  46. u64 arg4, u64 arg5);
  47. extern u64 efi_call6(void *fp, u64 arg1, u64 arg2, u64 arg3,
  48. u64 arg4, u64 arg5, u64 arg6);
  49. #define efi_call_phys0(f) \
  50. efi_call0((void *)(f))
  51. #define efi_call_phys1(f, a1) \
  52. efi_call1((void *)(f), (u64)(a1))
  53. #define efi_call_phys2(f, a1, a2) \
  54. efi_call2((void *)(f), (u64)(a1), (u64)(a2))
  55. #define efi_call_phys3(f, a1, a2, a3) \
  56. efi_call3((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3))
  57. #define efi_call_phys4(f, a1, a2, a3, a4) \
  58. efi_call4((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \
  59. (u64)(a4))
  60. #define efi_call_phys5(f, a1, a2, a3, a4, a5) \
  61. efi_call5((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \
  62. (u64)(a4), (u64)(a5))
  63. #define efi_call_phys6(f, a1, a2, a3, a4, a5, a6) \
  64. efi_call6((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \
  65. (u64)(a4), (u64)(a5), (u64)(a6))
  66. #define efi_call_virt0(f) \
  67. efi_call0((void *)(efi.systab->runtime->f))
  68. #define efi_call_virt1(f, a1) \
  69. efi_call1((void *)(efi.systab->runtime->f), (u64)(a1))
  70. #define efi_call_virt2(f, a1, a2) \
  71. efi_call2((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2))
  72. #define efi_call_virt3(f, a1, a2, a3) \
  73. efi_call3((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
  74. (u64)(a3))
  75. #define efi_call_virt4(f, a1, a2, a3, a4) \
  76. efi_call4((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
  77. (u64)(a3), (u64)(a4))
  78. #define efi_call_virt5(f, a1, a2, a3, a4, a5) \
  79. efi_call5((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
  80. (u64)(a3), (u64)(a4), (u64)(a5))
  81. #define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \
  82. efi_call6((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
  83. (u64)(a3), (u64)(a4), (u64)(a5), (u64)(a6))
  84. #define efi_early_ioremap(addr, size) early_ioremap(addr, size)
  85. #define efi_early_iounmap(vaddr, size) early_iounmap(vaddr, size)
  86. extern void *efi_ioremap(unsigned long offset, unsigned long size);
  87. extern int efi_time;
  88. #endif /* CONFIG_X86_32 */
  89. extern void efi_reserve_bootmem(void);
  90. extern void efi_call_phys_prelog(void);
  91. extern void efi_call_phys_epilog(void);
  92. extern void runtime_code_page_mkexec(void);
  93. #endif