6 extern unsigned long asmlinkage efi_call_phys(void *, ...);
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)
19 * Wrap all the virtual calls in a way that forces the parameters on the stack.
22 #define efi_call_virt(f, args...) \
23 ((efi_##f##_t __attribute__((regparm(0)))*)efi.systab->runtime->f)(args)
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)
36 #define efi_ioremap(addr, size) ioremap_cache(addr, size)
38 #else /* !CONFIG_X86_32 */
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,
47 extern u64 efi_call6(void *fp, u64 arg1, u64 arg2, u64 arg3,
48 u64 arg4, u64 arg5, u64 arg6);
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), \
61 #define efi_call_phys5(f, a1, a2, a3, a4, a5) \
62 efi_call5((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \
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))
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), \
77 #define efi_call_virt4(f, a1, a2, a3, a4) \
78 efi_call4((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
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))
87 extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size);
89 #endif /* CONFIG_X86_32 */
91 extern int add_efi_memmap;
92 extern void efi_reserve_early(void);
93 extern void efi_call_phys_prelog(void);
94 extern void efi_call_phys_epilog(void);
98 * IF EFI is not configured, have the EFI calls return -ENOSYS.
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 */
109 #endif /* _ASM_X86_EFI_H */