root/include/asm-x86/efi.h

INCLUDED FROM

#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)                 ioremap_cache(addr, size)

#else /* !CONFIG_X86_32 */

#define MAX_EFI_IO_PAGES        100

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);

#endif /* CONFIG_X86_32 */

extern void efi_reserve_early(void);
extern void efi_call_phys_prelog(void);
extern void efi_call_phys_epilog(void);

#endif /* ASM_X86__EFI_H */