a13b00778e
This moves definitions depended upon both by code under arch/arm64/boot and under drivers/firmware/efi to <asm/efi.h>. This is in preparation of turning the stub code under drivers/firmware/efi into a static library. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Matt Fleming <matt.fleming@intel.com>
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
#ifndef _ASM_EFI_H
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#define _ASM_EFI_H
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#include <asm/io.h>
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#include <asm/neon.h>
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#ifdef CONFIG_EFI
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extern void efi_init(void);
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extern void efi_idmap_init(void);
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#else
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#define efi_init()
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#define efi_idmap_init()
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#endif
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#define efi_call_virt(f, ...) \
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({ \
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efi_##f##_t *__f = efi.systab->runtime->f; \
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efi_status_t __s; \
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\
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kernel_neon_begin(); \
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__s = __f(__VA_ARGS__); \
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kernel_neon_end(); \
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__s; \
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})
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#define __efi_call_virt(f, ...) \
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({ \
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efi_##f##_t *__f = efi.systab->runtime->f; \
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\
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kernel_neon_begin(); \
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__f(__VA_ARGS__); \
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kernel_neon_end(); \
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})
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/* arch specific definitions used by the stub code */
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/*
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* AArch64 requires the DTB to be 8-byte aligned in the first 512MiB from
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* start of kernel and may not cross a 2MiB boundary. We set alignment to
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* 2MiB so we know it won't cross a 2MiB boundary.
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*/
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#define EFI_FDT_ALIGN SZ_2M /* used by allocate_new_fdt_and_exit_boot() */
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#define MAX_FDT_OFFSET SZ_512M
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#define efi_call_early(f, ...) sys_table_arg->boottime->f(__VA_ARGS__)
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#endif /* _ASM_EFI_H */
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