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1 | #ifndef _ASM_X86_EFI_H |
2 | #define _ASM_X86_EFI_H | |
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...) \ | |
23 | ((efi_##f##_t __attribute__((regparm(0)))*)efi.systab->runtime->f)(args) | |
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) | |
35 | /* | |
36 | * We require an early boot_ioremap mapping mechanism initially | |
37 | */ | |
38 | extern void *boot_ioremap(unsigned long, unsigned long); | |
39 | ||
40 | #define efi_early_ioremap(addr, size) boot_ioremap(addr, size) | |
41 | #define efi_early_iounmap(vaddr, size) | |
42 | ||
43 | #define efi_ioremap(addr, size) ioremap(addr, size) | |
44 | ||
45 | #define end_pfn_map max_low_pfn | |
46 | ||
5b83683f HY |
47 | #else /* !CONFIG_X86_32 */ |
48 | ||
49 | #define MAX_EFI_IO_PAGES 100 | |
50 | ||
51 | extern u64 efi_call0(void *fp); | |
52 | extern u64 efi_call1(void *fp, u64 arg1); | |
53 | extern u64 efi_call2(void *fp, u64 arg1, u64 arg2); | |
54 | extern u64 efi_call3(void *fp, u64 arg1, u64 arg2, u64 arg3); | |
55 | extern u64 efi_call4(void *fp, u64 arg1, u64 arg2, u64 arg3, u64 arg4); | |
56 | extern u64 efi_call5(void *fp, u64 arg1, u64 arg2, u64 arg3, | |
57 | u64 arg4, u64 arg5); | |
58 | extern u64 efi_call6(void *fp, u64 arg1, u64 arg2, u64 arg3, | |
59 | u64 arg4, u64 arg5, u64 arg6); | |
60 | ||
61 | #define efi_call_phys0(f) \ | |
62 | efi_call0((void *)(f)) | |
63 | #define efi_call_phys1(f, a1) \ | |
64 | efi_call1((void *)(f), (u64)(a1)) | |
65 | #define efi_call_phys2(f, a1, a2) \ | |
66 | efi_call2((void *)(f), (u64)(a1), (u64)(a2)) | |
67 | #define efi_call_phys3(f, a1, a2, a3) \ | |
68 | efi_call3((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3)) | |
69 | #define efi_call_phys4(f, a1, a2, a3, a4) \ | |
70 | efi_call4((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \ | |
71 | (u64)(a4)) | |
72 | #define efi_call_phys5(f, a1, a2, a3, a4, a5) \ | |
73 | efi_call5((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \ | |
74 | (u64)(a4), (u64)(a5)) | |
75 | #define efi_call_phys6(f, a1, a2, a3, a4, a5, a6) \ | |
76 | efi_call6((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \ | |
77 | (u64)(a4), (u64)(a5), (u64)(a6)) | |
78 | ||
79 | #define efi_call_virt0(f) \ | |
80 | efi_call0((void *)(efi.systab->runtime->f)) | |
81 | #define efi_call_virt1(f, a1) \ | |
82 | efi_call1((void *)(efi.systab->runtime->f), (u64)(a1)) | |
83 | #define efi_call_virt2(f, a1, a2) \ | |
84 | efi_call2((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2)) | |
85 | #define efi_call_virt3(f, a1, a2, a3) \ | |
86 | efi_call3((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \ | |
87 | (u64)(a3)) | |
88 | #define efi_call_virt4(f, a1, a2, a3, a4) \ | |
89 | efi_call4((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \ | |
90 | (u64)(a3), (u64)(a4)) | |
91 | #define efi_call_virt5(f, a1, a2, a3, a4, a5) \ | |
92 | efi_call5((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \ | |
93 | (u64)(a3), (u64)(a4), (u64)(a5)) | |
94 | #define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \ | |
95 | efi_call6((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \ | |
96 | (u64)(a3), (u64)(a4), (u64)(a5), (u64)(a6)) | |
97 | ||
98 | #define efi_early_ioremap(addr, size) early_ioremap(addr, size) | |
99 | #define efi_early_iounmap(vaddr, size) early_iounmap(vaddr, size) | |
100 | ||
101 | extern void *efi_ioremap(unsigned long offset, unsigned long size); | |
102 | ||
103 | extern int efi_time; | |
104 | ||
105 | #endif /* CONFIG_X86_32 */ | |
106 | ||
107 | extern void efi_reserve_bootmem(void); | |
108 | extern void efi_call_phys_prelog(void); | |
109 | extern void efi_call_phys_epilog(void); | |
110 | extern void runtime_code_page_mkexec(void); | |
111 | ||
112 | #endif |