2008-10-23 05:26:29 +00:00
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#ifndef _ASM_X86_EFI_H
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#define _ASM_X86_EFI_H
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2008-01-30 12:31:19 +00:00
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#ifdef CONFIG_X86_32
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2008-01-30 12:31:19 +00:00
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2011-11-15 12:56:14 +00:00
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#define EFI_LOADER_SIGNATURE "EL32"
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2008-01-30 12:31:19 +00:00
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extern unsigned long asmlinkage efi_call_phys(void *, ...);
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#define efi_call_phys0(f) efi_call_phys(f)
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#define efi_call_phys1(f, a1) efi_call_phys(f, a1)
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#define efi_call_phys2(f, a1, a2) efi_call_phys(f, a1, a2)
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#define efi_call_phys3(f, a1, a2, a3) efi_call_phys(f, a1, a2, a3)
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#define efi_call_phys4(f, a1, a2, a3, a4) \
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efi_call_phys(f, a1, a2, a3, a4)
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#define efi_call_phys5(f, a1, a2, a3, a4, a5) \
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efi_call_phys(f, a1, a2, a3, a4, a5)
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#define efi_call_phys6(f, a1, a2, a3, a4, a5, a6) \
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efi_call_phys(f, a1, a2, a3, a4, a5, a6)
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/*
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* Wrap all the virtual calls in a way that forces the parameters on the stack.
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*/
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#define efi_call_virt(f, args...) \
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2008-03-23 08:02:07 +00:00
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((efi_##f##_t __attribute__((regparm(0)))*)efi.systab->runtime->f)(args)
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2008-01-30 12:31:19 +00:00
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#define efi_call_virt0(f) efi_call_virt(f)
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#define efi_call_virt1(f, a1) efi_call_virt(f, a1)
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#define efi_call_virt2(f, a1, a2) efi_call_virt(f, a1, a2)
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#define efi_call_virt3(f, a1, a2, a3) efi_call_virt(f, a1, a2, a3)
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#define efi_call_virt4(f, a1, a2, a3, a4) \
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efi_call_virt(f, a1, a2, a3, a4)
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#define efi_call_virt5(f, a1, a2, a3, a4, a5) \
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efi_call_virt(f, a1, a2, a3, a4, a5)
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#define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \
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efi_call_virt(f, a1, a2, a3, a4, a5, a6)
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2012-10-19 12:25:46 +00:00
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#define efi_ioremap(addr, size, type, attr) ioremap_cache(addr, size)
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2011-12-12 00:12:42 +00:00
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2008-01-30 12:31:19 +00:00
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#else /* !CONFIG_X86_32 */
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2011-11-15 12:56:14 +00:00
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#define EFI_LOADER_SIGNATURE "EL64"
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2008-01-30 12:31:19 +00:00
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extern u64 efi_call0(void *fp);
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extern u64 efi_call1(void *fp, u64 arg1);
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extern u64 efi_call2(void *fp, u64 arg1, u64 arg2);
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extern u64 efi_call3(void *fp, u64 arg1, u64 arg2, u64 arg3);
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extern u64 efi_call4(void *fp, u64 arg1, u64 arg2, u64 arg3, u64 arg4);
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extern u64 efi_call5(void *fp, u64 arg1, u64 arg2, u64 arg3,
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u64 arg4, u64 arg5);
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extern u64 efi_call6(void *fp, u64 arg1, u64 arg2, u64 arg3,
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u64 arg4, u64 arg5, u64 arg6);
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#define efi_call_phys0(f) \
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efi_call0((void *)(f))
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#define efi_call_phys1(f, a1) \
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efi_call1((void *)(f), (u64)(a1))
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#define efi_call_phys2(f, a1, a2) \
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efi_call2((void *)(f), (u64)(a1), (u64)(a2))
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#define efi_call_phys3(f, a1, a2, a3) \
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efi_call3((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3))
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#define efi_call_phys4(f, a1, a2, a3, a4) \
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efi_call4((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \
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(u64)(a4))
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#define efi_call_phys5(f, a1, a2, a3, a4, a5) \
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efi_call5((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \
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(u64)(a4), (u64)(a5))
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#define efi_call_phys6(f, a1, a2, a3, a4, a5, a6) \
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efi_call6((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \
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(u64)(a4), (u64)(a5), (u64)(a6))
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#define efi_call_virt0(f) \
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2012-12-15 23:15:24 +00:00
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efi_call0((void *)(efi.systab->runtime->f))
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2008-01-30 12:31:19 +00:00
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#define efi_call_virt1(f, a1) \
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2012-12-15 23:15:24 +00:00
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efi_call1((void *)(efi.systab->runtime->f), (u64)(a1))
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2008-01-30 12:31:19 +00:00
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#define efi_call_virt2(f, a1, a2) \
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2012-12-15 23:15:24 +00:00
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efi_call2((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2))
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2008-01-30 12:31:19 +00:00
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#define efi_call_virt3(f, a1, a2, a3) \
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2012-12-15 23:15:24 +00:00
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efi_call3((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
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2008-01-30 12:31:19 +00:00
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(u64)(a3))
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#define efi_call_virt4(f, a1, a2, a3, a4) \
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2012-12-15 23:15:24 +00:00
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efi_call4((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
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2008-01-30 12:31:19 +00:00
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(u64)(a3), (u64)(a4))
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#define efi_call_virt5(f, a1, a2, a3, a4, a5) \
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2012-12-15 23:15:24 +00:00
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efi_call5((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
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2008-01-30 12:31:19 +00:00
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(u64)(a3), (u64)(a4), (u64)(a5))
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#define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \
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2012-12-15 23:15:24 +00:00
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efi_call6((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
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2008-01-30 12:31:19 +00:00
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(u64)(a3), (u64)(a4), (u64)(a5), (u64)(a6))
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2011-12-12 00:12:42 +00:00
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extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size,
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2012-10-19 12:25:46 +00:00
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u32 type, u64 attribute);
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2011-12-12 00:12:42 +00:00
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2008-01-30 12:31:19 +00:00
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#endif /* CONFIG_X86_32 */
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2008-12-29 15:06:40 +00:00
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extern int add_efi_memmap;
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2012-11-14 09:42:35 +00:00
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extern unsigned long x86_efi_facility;
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2011-05-05 19:19:43 +00:00
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extern void efi_set_executable(efi_memory_desc_t *md, bool executable);
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2012-02-12 21:24:29 +00:00
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extern int efi_memblock_x86_reserve_range(void);
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2008-01-30 12:31:19 +00:00
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extern void efi_call_phys_prelog(void);
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extern void efi_call_phys_epilog(void);
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2012-10-24 17:00:44 +00:00
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extern void efi_unmap_memmap(void);
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2012-10-19 12:25:46 +00:00
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extern void efi_memory_uc(u64 addr, unsigned long size);
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2008-01-30 12:31:19 +00:00
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2013-02-14 00:07:35 +00:00
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#ifdef CONFIG_EFI
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static inline bool efi_is_native(void)
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{
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return IS_ENABLED(CONFIG_X86_64) == efi_enabled(EFI_64BIT);
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}
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#else
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2008-10-03 16:59:15 +00:00
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/*
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* IF EFI is not configured, have the EFI calls return -ENOSYS.
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*/
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#define efi_call0(_f) (-ENOSYS)
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#define efi_call1(_f, _a1) (-ENOSYS)
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#define efi_call2(_f, _a1, _a2) (-ENOSYS)
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#define efi_call3(_f, _a1, _a2, _a3) (-ENOSYS)
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#define efi_call4(_f, _a1, _a2, _a3, _a4) (-ENOSYS)
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#define efi_call5(_f, _a1, _a2, _a3, _a4, _a5) (-ENOSYS)
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#define efi_call6(_f, _a1, _a2, _a3, _a4, _a5, _a6) (-ENOSYS)
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#endif /* CONFIG_EFI */
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2008-10-23 05:26:29 +00:00
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#endif /* _ASM_X86_EFI_H */
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