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gerrit-public.fairphone.software / kernel / msm-4.9 / 5189c2a7c7769ee9d037d76c1a7b8550ccf3481c / . / arch / x86 / include / asm / efi.h
blob: 029189db84dedbe7e81180198ab7b1a10faf9026 [file] [log] [blame]
H. Peter Anvin1965aae2008-10-22 22:26:29 -0700[diff] [blame]1#ifndef _ASM_X86_EFI_H
2#define _ASM_X86_EFI_H
Huang, Ying5b836832008-01-30 13:31:19 +0100[diff] [blame]3
4#ifdef CONFIG_X86_32
Huang, Yinge4297952008-01-30 13:31:19 +0100[diff] [blame]5
Matt Flemingf7d7d012011-11-15 12:56:14 +0000[diff] [blame]6#define EFI_LOADER_SIGNATURE "EL32"
7
Huang, Yinge4297952008-01-30 13:31:19 +0100[diff] [blame]8extern 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...) \
Joe Perches0c6f6ab2008-03-23 01:02:07 -0700[diff] [blame]25 ((efi_##f##_t __attribute__((regparm(0)))*)efi.systab->runtime->f)(args)
Huang, Yinge4297952008-01-30 13:31:19 +0100[diff] [blame]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)
Huang, Yinge4297952008-01-30 13:31:19 +0100[diff] [blame]37
Keith Packarde1ad7832011-12-11 16:12:42 -0800[diff] [blame]38#define efi_ioremap(addr, size, type) ioremap_cache(addr, size)
39
Huang, Ying5b836832008-01-30 13:31:19 +0100[diff] [blame]40#else /* !CONFIG_X86_32 */
41
Matt Flemingf7d7d012011-11-15 12:56:14 +0000[diff] [blame]42#define EFI_LOADER_SIGNATURE "EL64"
43
Huang, Ying5b836832008-01-30 13:31:19 +0100[diff] [blame]44extern u64 efi_call0(void *fp);
45extern u64 efi_call1(void *fp, u64 arg1);
46extern u64 efi_call2(void *fp, u64 arg1, u64 arg2);
47extern u64 efi_call3(void *fp, u64 arg1, u64 arg2, u64 arg3);
48extern u64 efi_call4(void *fp, u64 arg1, u64 arg2, u64 arg3, u64 arg4);
49extern u64 efi_call5(void *fp, u64 arg1, u64 arg2, u64 arg3,
50 u64 arg4, u64 arg5);
51extern 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) \
55 efi_call0((void *)(f))
56#define efi_call_phys1(f, a1) \
57 efi_call1((void *)(f), (u64)(a1))
58#define efi_call_phys2(f, a1, a2) \
59 efi_call2((void *)(f), (u64)(a1), (u64)(a2))
60#define efi_call_phys3(f, a1, a2, a3) \
61 efi_call3((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3))
62#define efi_call_phys4(f, a1, a2, a3, a4) \
63 efi_call4((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \
64 (u64)(a4))
65#define efi_call_phys5(f, a1, a2, a3, a4, a5) \
66 efi_call5((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \
67 (u64)(a4), (u64)(a5))
68#define efi_call_phys6(f, a1, a2, a3, a4, a5, a6) \
69 efi_call6((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \
70 (u64)(a4), (u64)(a5), (u64)(a6))
71
72#define efi_call_virt0(f) \
73 efi_call0((void *)(efi.systab->runtime->f))
74#define efi_call_virt1(f, a1) \
75 efi_call1((void *)(efi.systab->runtime->f), (u64)(a1))
76#define efi_call_virt2(f, a1, a2) \
77 efi_call2((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2))
78#define efi_call_virt3(f, a1, a2, a3) \
79 efi_call3((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
80 (u64)(a3))
81#define efi_call_virt4(f, a1, a2, a3, a4) \
82 efi_call4((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
83 (u64)(a3), (u64)(a4))
84#define efi_call_virt5(f, a1, a2, a3, a4, a5) \
85 efi_call5((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
86 (u64)(a3), (u64)(a4), (u64)(a5))
87#define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \
88 efi_call6((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
89 (u64)(a3), (u64)(a4), (u64)(a5), (u64)(a6))
90
Keith Packarde1ad7832011-12-11 16:12:42 -0800[diff] [blame]91extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size,
92 u32 type);
93
Huang, Ying5b836832008-01-30 13:31:19 +0100[diff] [blame]94#endif /* CONFIG_X86_32 */
95
Jaswinder Singh Rajputcbafbc82008-12-29 20:36:40 +0530[diff] [blame]96extern int add_efi_memmap;
Matthew Garrett9cd2b072011-05-05 15:19:43 -0400[diff] [blame]97extern void efi_set_executable(efi_memory_desc_t *md, bool executable);
Olof Johansson1adbfa32012-02-12 13:24:29 -0800[diff] [blame]98extern int efi_memblock_x86_reserve_range(void);
Huang, Ying5b836832008-01-30 13:31:19 +0100[diff] [blame]99extern void efi_call_phys_prelog(void);
100extern void efi_call_phys_epilog(void);
Olof Johansson5189c2a2012-10-24 10:00:44 -0700[diff] [blame^]101extern void efi_unmap_memmap(void);
Huang, Ying5b836832008-01-30 13:31:19 +0100[diff] [blame]102
Russ Anderson7f594232008-10-03 11:59:15 -0500[diff] [blame]103#ifndef CONFIG_EFI
104/*
105 * IF EFI is not configured, have the EFI calls return -ENOSYS.
106 */
107#define efi_call0(_f) (-ENOSYS)
108#define efi_call1(_f, _a1) (-ENOSYS)
109#define efi_call2(_f, _a1, _a2) (-ENOSYS)
110#define efi_call3(_f, _a1, _a2, _a3) (-ENOSYS)
111#define efi_call4(_f, _a1, _a2, _a3, _a4) (-ENOSYS)
112#define efi_call5(_f, _a1, _a2, _a3, _a4, _a5) (-ENOSYS)
113#define efi_call6(_f, _a1, _a2, _a3, _a4, _a5, _a6) (-ENOSYS)
114#endif /* CONFIG_EFI */
115
H. Peter Anvin1965aae2008-10-22 22:26:29 -0700[diff] [blame]116#endif /* _ASM_X86_EFI_H */