projects / deliverable / linux.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 HY |
5 | |
| 6 | extern unsigned long asmlinkage efi_call_phys(void *, ...); | |
| 7 | ||
| 8 | #define efi_call_phys0(f) efi_call_phys(f) | |
| 9 | #define efi_call_phys1(f, a1) efi_call_phys(f, a1) | |
| 10 | #define efi_call_phys2(f, a1, a2) efi_call_phys(f, a1, a2) | |
| 11 | #define efi_call_phys3(f, a1, a2, a3) efi_call_phys(f, a1, a2, a3) | |
| 12 | #define efi_call_phys4(f, a1, a2, a3, a4) \ | |
| 13 | efi_call_phys(f, a1, a2, a3, a4) | |
| 14 | #define efi_call_phys5(f, a1, a2, a3, a4, a5) \ | |
| 15 | efi_call_phys(f, a1, a2, a3, a4, a5) | |
| 16 | #define efi_call_phys6(f, a1, a2, a3, a4, a5, a6) \ | |
| 17 | efi_call_phys(f, a1, a2, a3, a4, a5, a6) | |
| 18 | /* | |
| 19 | * Wrap all the virtual calls in a way that forces the parameters on the stack. | |
| 20 | */ | |
| 21 | ||
| 22 | #define efi_call_virt(f, args...) \ | |
| 0c6f6abf | 23 | ((efi_##f##_t __attribute__((regparm(0)))*)efi.systab->runtime->f)(args) |
| e429795c HY |
24 | |
| 25 | #define efi_call_virt0(f) efi_call_virt(f) | |
| 26 | #define efi_call_virt1(f, a1) efi_call_virt(f, a1) | |
| 27 | #define efi_call_virt2(f, a1, a2) efi_call_virt(f, a1, a2) | |
| 28 | #define efi_call_virt3(f, a1, a2, a3) efi_call_virt(f, a1, a2, a3) | |
| 29 | #define efi_call_virt4(f, a1, a2, a3, a4) \ | |
| 30 | efi_call_virt(f, a1, a2, a3, a4) | |
| 31 | #define efi_call_virt5(f, a1, a2, a3, a4, a5) \ | |
| 32 | efi_call_virt(f, a1, a2, a3, a4, a5) | |
| 33 | #define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \ | |
| 34 | efi_call_virt(f, a1, a2, a3, a4, a5, a6) | |
| e429795c | 35 | |
| 1c083eb2 | 36 | #define efi_ioremap(addr, size) ioremap_cache(addr, size) |
| e429795c | 37 | |
| 5b83683f HY |
38 | #else /* !CONFIG_X86_32 */ |
| 39 | ||
| 40 | #define MAX_EFI_IO_PAGES 100 | |
| 41 | ||
| 42 | extern u64 efi_call0(void *fp); | |
| 43 | extern u64 efi_call1(void *fp, u64 arg1); | |
| 44 | extern u64 efi_call2(void *fp, u64 arg1, u64 arg2); | |
| 45 | extern u64 efi_call3(void *fp, u64 arg1, u64 arg2, u64 arg3); | |
| 46 | extern u64 efi_call4(void *fp, u64 arg1, u64 arg2, u64 arg3, u64 arg4); | |
| 47 | extern u64 efi_call5(void *fp, u64 arg1, u64 arg2, u64 arg3, | |
| 48 | u64 arg4, u64 arg5); | |
| 49 | extern u64 efi_call6(void *fp, u64 arg1, u64 arg2, u64 arg3, | |
| 50 | u64 arg4, u64 arg5, u64 arg6); | |
| 51 | ||
| 52 | #define efi_call_phys0(f) \ | |
| 53 | efi_call0((void *)(f)) | |
| 54 | #define efi_call_phys1(f, a1) \ | |
| 55 | efi_call1((void *)(f), (u64)(a1)) | |
| 56 | #define efi_call_phys2(f, a1, a2) \ | |
| 57 | efi_call2((void *)(f), (u64)(a1), (u64)(a2)) | |
| 58 | #define efi_call_phys3(f, a1, a2, a3) \ | |
| 59 | efi_call3((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3)) | |
| 60 | #define efi_call_phys4(f, a1, a2, a3, a4) \ | |
| 61 | efi_call4((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \ | |
| 62 | (u64)(a4)) | |
| 63 | #define efi_call_phys5(f, a1, a2, a3, a4, a5) \ | |
| 64 | efi_call5((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \ | |
| 65 | (u64)(a4), (u64)(a5)) | |
| 66 | #define efi_call_phys6(f, a1, a2, a3, a4, a5, a6) \ | |
| 67 | efi_call6((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \ | |
| 68 | (u64)(a4), (u64)(a5), (u64)(a6)) | |
| 69 | ||
| 70 | #define efi_call_virt0(f) \ | |
| 71 | efi_call0((void *)(efi.systab->runtime->f)) | |
| 72 | #define efi_call_virt1(f, a1) \ | |
| 73 | efi_call1((void *)(efi.systab->runtime->f), (u64)(a1)) | |
| 74 | #define efi_call_virt2(f, a1, a2) \ | |
| 75 | efi_call2((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2)) | |
| 76 | #define efi_call_virt3(f, a1, a2, a3) \ | |
| 77 | efi_call3((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \ | |
| 78 | (u64)(a3)) | |
| 79 | #define efi_call_virt4(f, a1, a2, a3, a4) \ | |
| 80 | efi_call4((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \ | |
| 81 | (u64)(a3), (u64)(a4)) | |
| 82 | #define efi_call_virt5(f, a1, a2, a3, a4, a5) \ | |
| 83 | efi_call5((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \ | |
| 84 | (u64)(a3), (u64)(a4), (u64)(a5)) | |
| 85 | #define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \ | |
| 86 | efi_call6((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \ | |
| 87 | (u64)(a3), (u64)(a4), (u64)(a5), (u64)(a6)) | |
| 88 | ||
| b0fbaa6b | 89 | extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size); |
| 5b83683f | 90 | |
| 5b83683f HY |
91 | #endif /* CONFIG_X86_32 */ |
| 92 | ||
| cbafbc82 | 93 | extern int add_efi_memmap; |
| ecacf09f | 94 | extern void efi_reserve_early(void); |
| 5b83683f HY |
95 | extern void efi_call_phys_prelog(void); |
| 96 | extern void efi_call_phys_epilog(void); | |
| 5b83683f | 97 | |
| 7f594232 RA |
98 | #ifndef CONFIG_EFI |
| 99 | /* | |
| 100 | * IF EFI is not configured, have the EFI calls return -ENOSYS. | |
| 101 | */ | |
| 102 | #define efi_call0(_f) (-ENOSYS) | |
| 103 | #define efi_call1(_f, _a1) (-ENOSYS) | |
| 104 | #define efi_call2(_f, _a1, _a2) (-ENOSYS) | |
| 105 | #define efi_call3(_f, _a1, _a2, _a3) (-ENOSYS) | |
| 106 | #define efi_call4(_f, _a1, _a2, _a3, _a4) (-ENOSYS) | |
| 107 | #define efi_call5(_f, _a1, _a2, _a3, _a4, _a5) (-ENOSYS) | |
| 108 | #define efi_call6(_f, _a1, _a2, _a3, _a4, _a5, _a6) (-ENOSYS) | |
| 109 | #endif /* CONFIG_EFI */ | |
| 110 | ||
| 1965aae3 | 111 | #endif /* _ASM_X86_EFI_H */ |