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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 | ||
5b83683f HY |
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 | ||
50 | #define efi_call_phys0(f) \ | |
51 | efi_call0((void *)(f)) | |
52 | #define efi_call_phys1(f, a1) \ | |
53 | efi_call1((void *)(f), (u64)(a1)) | |
54 | #define efi_call_phys2(f, a1, a2) \ | |
55 | efi_call2((void *)(f), (u64)(a1), (u64)(a2)) | |
56 | #define efi_call_phys3(f, a1, a2, a3) \ | |
57 | efi_call3((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3)) | |
58 | #define efi_call_phys4(f, a1, a2, a3, a4) \ | |
59 | efi_call4((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \ | |
60 | (u64)(a4)) | |
61 | #define efi_call_phys5(f, a1, a2, a3, a4, a5) \ | |
62 | efi_call5((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \ | |
63 | (u64)(a4), (u64)(a5)) | |
64 | #define efi_call_phys6(f, a1, a2, a3, a4, a5, a6) \ | |
65 | efi_call6((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \ | |
66 | (u64)(a4), (u64)(a5), (u64)(a6)) | |
67 | ||
68 | #define efi_call_virt0(f) \ | |
69 | efi_call0((void *)(efi.systab->runtime->f)) | |
70 | #define efi_call_virt1(f, a1) \ | |
71 | efi_call1((void *)(efi.systab->runtime->f), (u64)(a1)) | |
72 | #define efi_call_virt2(f, a1, a2) \ | |
73 | efi_call2((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2)) | |
74 | #define efi_call_virt3(f, a1, a2, a3) \ | |
75 | efi_call3((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \ | |
76 | (u64)(a3)) | |
77 | #define efi_call_virt4(f, a1, a2, a3, a4) \ | |
78 | efi_call4((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \ | |
79 | (u64)(a3), (u64)(a4)) | |
80 | #define efi_call_virt5(f, a1, a2, a3, a4, a5) \ | |
81 | efi_call5((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \ | |
82 | (u64)(a3), (u64)(a4), (u64)(a5)) | |
83 | #define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \ | |
84 | efi_call6((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \ | |
85 | (u64)(a3), (u64)(a4), (u64)(a5), (u64)(a6)) | |
86 | ||
b0fbaa6b | 87 | extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size); |
5b83683f | 88 | |
5b83683f HY |
89 | #endif /* CONFIG_X86_32 */ |
90 | ||
cbafbc82 | 91 | extern int add_efi_memmap; |
ecacf09f | 92 | extern void efi_reserve_early(void); |
5b83683f HY |
93 | extern void efi_call_phys_prelog(void); |
94 | extern void efi_call_phys_epilog(void); | |
5b83683f | 95 | |
7f594232 RA |
96 | #ifndef CONFIG_EFI |
97 | /* | |
98 | * IF EFI is not configured, have the EFI calls return -ENOSYS. | |
99 | */ | |
100 | #define efi_call0(_f) (-ENOSYS) | |
101 | #define efi_call1(_f, _a1) (-ENOSYS) | |
102 | #define efi_call2(_f, _a1, _a2) (-ENOSYS) | |
103 | #define efi_call3(_f, _a1, _a2, _a3) (-ENOSYS) | |
104 | #define efi_call4(_f, _a1, _a2, _a3, _a4) (-ENOSYS) | |
105 | #define efi_call5(_f, _a1, _a2, _a3, _a4, _a5) (-ENOSYS) | |
106 | #define efi_call6(_f, _a1, _a2, _a3, _a4, _a5, _a6) (-ENOSYS) | |
107 | #endif /* CONFIG_EFI */ | |
108 | ||
1965aae3 | 109 | #endif /* _ASM_X86_EFI_H */ |