projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1965aae3 PA |
1 | #ifndef _ASM_X86_EFI_H |
| 2 | #define _ASM_X86_EFI_H | |
| 5b83683f HY |
3 | |
| 4 | #ifdef CONFIG_X86_32 | |
| e429795c | 5 | |
| f7d7d01b MF |
6 | #define EFI_LOADER_SIGNATURE "EL32" |
| 7 | ||
| e429795c HY |
8 | extern unsigned long asmlinkage efi_call_phys(void *, ...); |
| 9 | ||
| 10 | #define efi_call_phys0(f) efi_call_phys(f) | |
| 11 | #define efi_call_phys1(f, a1) efi_call_phys(f, a1) | |
| 12 | #define efi_call_phys2(f, a1, a2) efi_call_phys(f, a1, a2) | |
| 13 | #define efi_call_phys3(f, a1, a2, a3) efi_call_phys(f, a1, a2, a3) | |
| 14 | #define efi_call_phys4(f, a1, a2, a3, a4) \ | |
| 15 | efi_call_phys(f, a1, a2, a3, a4) | |
| 16 | #define efi_call_phys5(f, a1, a2, a3, a4, a5) \ | |
| 17 | efi_call_phys(f, a1, a2, a3, a4, a5) | |
| 18 | #define efi_call_phys6(f, a1, a2, a3, a4, a5, a6) \ | |
| 19 | efi_call_phys(f, a1, a2, a3, a4, a5, a6) | |
| 20 | /* | |
| 21 | * Wrap all the virtual calls in a way that forces the parameters on the stack. | |
| 22 | */ | |
| 23 | ||
| 24 | #define efi_call_virt(f, args...) \ | |
| 0c6f6abf | 25 | ((efi_##f##_t __attribute__((regparm(0)))*)efi.systab->runtime->f)(args) |
| e429795c HY |
26 | |
| 27 | #define efi_call_virt0(f) efi_call_virt(f) | |
| 28 | #define efi_call_virt1(f, a1) efi_call_virt(f, a1) | |
| 29 | #define efi_call_virt2(f, a1, a2) efi_call_virt(f, a1, a2) | |
| 30 | #define efi_call_virt3(f, a1, a2, a3) efi_call_virt(f, a1, a2, a3) | |
| 31 | #define efi_call_virt4(f, a1, a2, a3, a4) \ | |
| 32 | efi_call_virt(f, a1, a2, a3, a4) | |
| 33 | #define efi_call_virt5(f, a1, a2, a3, a4, a5) \ | |
| 34 | efi_call_virt(f, a1, a2, a3, a4, a5) | |
| 35 | #define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \ | |
| 36 | efi_call_virt(f, a1, a2, a3, a4, a5, a6) | |
| e429795c | 37 | |
| 3e8fa263 | 38 | #define efi_ioremap(addr, size, type, attr) ioremap_cache(addr, size) |
| e1ad783b | 39 | |
| 5b83683f HY |
40 | #else /* !CONFIG_X86_32 */ |
| 41 | ||
| f7d7d01b MF |
42 | #define EFI_LOADER_SIGNATURE "EL64" |
| 43 | ||
| 5b83683f HY |
44 | extern u64 efi_call0(void *fp); |
| 45 | extern u64 efi_call1(void *fp, u64 arg1); | |
| 46 | extern u64 efi_call2(void *fp, u64 arg1, u64 arg2); | |
| 47 | extern u64 efi_call3(void *fp, u64 arg1, u64 arg2, u64 arg3); | |
| 48 | extern u64 efi_call4(void *fp, u64 arg1, u64 arg2, u64 arg3, u64 arg4); | |
| 49 | extern u64 efi_call5(void *fp, u64 arg1, u64 arg2, u64 arg3, | |
| 50 | u64 arg4, u64 arg5); | |
| 51 | extern u64 efi_call6(void *fp, u64 arg1, u64 arg2, u64 arg3, | |
| 52 | u64 arg4, u64 arg5, u64 arg6); | |
| 53 | ||
| 54 | #define efi_call_phys0(f) \ | |
| 43ab0476 | 55 | efi_call0((f)) |
| 5b83683f | 56 | #define efi_call_phys1(f, a1) \ |
| 43ab0476 | 57 | efi_call1((f), (u64)(a1)) |
| 5b83683f | 58 | #define efi_call_phys2(f, a1, a2) \ |
| 43ab0476 | 59 | efi_call2((f), (u64)(a1), (u64)(a2)) |
| 5b83683f | 60 | #define efi_call_phys3(f, a1, a2, a3) \ |
| 43ab0476 | 61 | efi_call3((f), (u64)(a1), (u64)(a2), (u64)(a3)) |
| 5b83683f | 62 | #define efi_call_phys4(f, a1, a2, a3, a4) \ |
| 43ab0476 | 63 | efi_call4((f), (u64)(a1), (u64)(a2), (u64)(a3), \ |
| 5b83683f HY |
64 | (u64)(a4)) |
| 65 | #define efi_call_phys5(f, a1, a2, a3, a4, a5) \ | |
| 43ab0476 | 66 | efi_call5((f), (u64)(a1), (u64)(a2), (u64)(a3), \ |
| 5b83683f HY |
67 | (u64)(a4), (u64)(a5)) |
| 68 | #define efi_call_phys6(f, a1, a2, a3, a4, a5, a6) \ | |
| 43ab0476 | 69 | efi_call6((f), (u64)(a1), (u64)(a2), (u64)(a3), \ |
| 5b83683f HY |
70 | (u64)(a4), (u64)(a5), (u64)(a6)) |
| 71 | ||
| 72 | #define efi_call_virt0(f) \ | |
| 43ab0476 | 73 | efi_call0((efi.systab->runtime->f)) |
| 5b83683f | 74 | #define efi_call_virt1(f, a1) \ |
| 43ab0476 | 75 | efi_call1((efi.systab->runtime->f), (u64)(a1)) |
| 5b83683f | 76 | #define efi_call_virt2(f, a1, a2) \ |
| 43ab0476 | 77 | efi_call2((efi.systab->runtime->f), (u64)(a1), (u64)(a2)) |
| 5b83683f | 78 | #define efi_call_virt3(f, a1, a2, a3) \ |
| 43ab0476 | 79 | efi_call3((efi.systab->runtime->f), (u64)(a1), (u64)(a2), \ |
| 5b83683f HY |
80 | (u64)(a3)) |
| 81 | #define efi_call_virt4(f, a1, a2, a3, a4) \ | |
| 43ab0476 | 82 | efi_call4((efi.systab->runtime->f), (u64)(a1), (u64)(a2), \ |
| 5b83683f HY |
83 | (u64)(a3), (u64)(a4)) |
| 84 | #define efi_call_virt5(f, a1, a2, a3, a4, a5) \ | |
| 43ab0476 | 85 | efi_call5((efi.systab->runtime->f), (u64)(a1), (u64)(a2), \ |
| 5b83683f HY |
86 | (u64)(a3), (u64)(a4), (u64)(a5)) |
| 87 | #define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \ | |
| 43ab0476 | 88 | efi_call6((efi.systab->runtime->f), (u64)(a1), (u64)(a2), \ |
| 5b83683f HY |
89 | (u64)(a3), (u64)(a4), (u64)(a5), (u64)(a6)) |
| 90 | ||
| e1ad783b | 91 | extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size, |
| 3e8fa263 | 92 | u32 type, u64 attribute); |
| e1ad783b | 93 | |
| 5b83683f HY |
94 | #endif /* CONFIG_X86_32 */ |
| 95 | ||
| cbafbc82 | 96 | extern int add_efi_memmap; |
| 83e68189 | 97 | extern unsigned long x86_efi_facility; |
| 9cd2b07c | 98 | extern void efi_set_executable(efi_memory_desc_t *md, bool executable); |
| 1adbfa35 | 99 | extern int efi_memblock_x86_reserve_range(void); |
| 5b83683f HY |
100 | extern void efi_call_phys_prelog(void); |
| 101 | extern void efi_call_phys_epilog(void); | |
| 5189c2a7 | 102 | extern void efi_unmap_memmap(void); |
| 3e8fa263 | 103 | extern void efi_memory_uc(u64 addr, unsigned long size); |
| 5b83683f | 104 | |
| 6b59e366 ST |
105 | #ifdef CONFIG_EFI |
| 106 | ||
| 107 | static inline bool efi_is_native(void) | |
| 108 | { | |
| 109 | return IS_ENABLED(CONFIG_X86_64) == efi_enabled(EFI_64BIT); | |
| 110 | } | |
| 111 | ||
| 112 | #else | |
| 7f594232 RA |
113 | /* |
| 114 | * IF EFI is not configured, have the EFI calls return -ENOSYS. | |
| 115 | */ | |
| 116 | #define efi_call0(_f) (-ENOSYS) | |
| 117 | #define efi_call1(_f, _a1) (-ENOSYS) | |
| 118 | #define efi_call2(_f, _a1, _a2) (-ENOSYS) | |
| 119 | #define efi_call3(_f, _a1, _a2, _a3) (-ENOSYS) | |
| 120 | #define efi_call4(_f, _a1, _a2, _a3, _a4) (-ENOSYS) | |
| 121 | #define efi_call5(_f, _a1, _a2, _a3, _a4, _a5) (-ENOSYS) | |
| 122 | #define efi_call6(_f, _a1, _a2, _a3, _a4, _a5, _a6) (-ENOSYS) | |
| 123 | #endif /* CONFIG_EFI */ | |
| 124 | ||
| 1965aae3 | 125 | #endif /* _ASM_X86_EFI_H */ |