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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | #ifndef _ASM_X86_EFI_H
#define _ASM_X86_EFI_H
#ifdef CONFIG_X86_32
extern unsigned long asmlinkage efi_call_phys(void *, ...);
#define efi_call_phys0(f) efi_call_phys(f)
#define efi_call_phys1(f, a1) efi_call_phys(f, a1)
#define efi_call_phys2(f, a1, a2) efi_call_phys(f, a1, a2)
#define efi_call_phys3(f, a1, a2, a3) efi_call_phys(f, a1, a2, a3)
#define efi_call_phys4(f, a1, a2, a3, a4) \
efi_call_phys(f, a1, a2, a3, a4)
#define efi_call_phys5(f, a1, a2, a3, a4, a5) \
efi_call_phys(f, a1, a2, a3, a4, a5)
#define efi_call_phys6(f, a1, a2, a3, a4, a5, a6) \
efi_call_phys(f, a1, a2, a3, a4, a5, a6)
/*
* Wrap all the virtual calls in a way that forces the parameters on the stack.
*/
#define efi_call_virt(f, args...) \
((efi_##f##_t __attribute__((regparm(0)))*)efi.systab->runtime->f)(args)
#define efi_call_virt0(f) efi_call_virt(f)
#define efi_call_virt1(f, a1) efi_call_virt(f, a1)
#define efi_call_virt2(f, a1, a2) efi_call_virt(f, a1, a2)
#define efi_call_virt3(f, a1, a2, a3) efi_call_virt(f, a1, a2, a3)
#define efi_call_virt4(f, a1, a2, a3, a4) \
efi_call_virt(f, a1, a2, a3, a4)
#define efi_call_virt5(f, a1, a2, a3, a4, a5) \
efi_call_virt(f, a1, a2, a3, a4, a5)
#define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \
efi_call_virt(f, a1, a2, a3, a4, a5, a6)
#define efi_ioremap(addr, size, type) ioremap_cache(addr, size)
#else /* !CONFIG_X86_32 */
extern u64 efi_call0(void *fp);
extern u64 efi_call1(void *fp, u64 arg1);
extern u64 efi_call2(void *fp, u64 arg1, u64 arg2);
extern u64 efi_call3(void *fp, u64 arg1, u64 arg2, u64 arg3);
extern u64 efi_call4(void *fp, u64 arg1, u64 arg2, u64 arg3, u64 arg4);
extern u64 efi_call5(void *fp, u64 arg1, u64 arg2, u64 arg3,
u64 arg4, u64 arg5);
extern u64 efi_call6(void *fp, u64 arg1, u64 arg2, u64 arg3,
u64 arg4, u64 arg5, u64 arg6);
#define efi_call_phys0(f) \
efi_call0((void *)(f))
#define efi_call_phys1(f, a1) \
efi_call1((void *)(f), (u64)(a1))
#define efi_call_phys2(f, a1, a2) \
efi_call2((void *)(f), (u64)(a1), (u64)(a2))
#define efi_call_phys3(f, a1, a2, a3) \
efi_call3((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3))
#define efi_call_phys4(f, a1, a2, a3, a4) \
efi_call4((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \
(u64)(a4))
#define efi_call_phys5(f, a1, a2, a3, a4, a5) \
efi_call5((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \
(u64)(a4), (u64)(a5))
#define efi_call_phys6(f, a1, a2, a3, a4, a5, a6) \
efi_call6((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \
(u64)(a4), (u64)(a5), (u64)(a6))
#define efi_call_virt0(f) \
efi_call0((void *)(efi.systab->runtime->f))
#define efi_call_virt1(f, a1) \
efi_call1((void *)(efi.systab->runtime->f), (u64)(a1))
#define efi_call_virt2(f, a1, a2) \
efi_call2((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2))
#define efi_call_virt3(f, a1, a2, a3) \
efi_call3((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
(u64)(a3))
#define efi_call_virt4(f, a1, a2, a3, a4) \
efi_call4((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
(u64)(a3), (u64)(a4))
#define efi_call_virt5(f, a1, a2, a3, a4, a5) \
efi_call5((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
(u64)(a3), (u64)(a4), (u64)(a5))
#define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \
efi_call6((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
(u64)(a3), (u64)(a4), (u64)(a5), (u64)(a6))
extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size,
u32 type);
#endif /* CONFIG_X86_32 */
extern int add_efi_memmap;
extern void efi_reserve_early(void);
extern void efi_call_phys_prelog(void);
extern void efi_call_phys_epilog(void);
#ifndef CONFIG_EFI
/*
* IF EFI is not configured, have the EFI calls return -ENOSYS.
*/
#define efi_call0(_f) (-ENOSYS)
#define efi_call1(_f, _a1) (-ENOSYS)
#define efi_call2(_f, _a1, _a2) (-ENOSYS)
#define efi_call3(_f, _a1, _a2, _a3) (-ENOSYS)
#define efi_call4(_f, _a1, _a2, _a3, _a4) (-ENOSYS)
#define efi_call5(_f, _a1, _a2, _a3, _a4, _a5) (-ENOSYS)
#define efi_call6(_f, _a1, _a2, _a3, _a4, _a5, _a6) (-ENOSYS)
#endif /* CONFIG_EFI */
#endif /* _ASM_X86_EFI_H */
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