hc
2024-11-01 2f529f9b558ca1c1bd74be7437a84e4711743404
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/* SPDX-License-Identifier: GPL-2.0 */
 
#ifndef __ASM_IMAGE_H
#define __ASM_IMAGE_H
 
#define ARM64_IMAGE_MAGIC    "ARM\x64"
 
#define ARM64_IMAGE_FLAG_BE_SHIFT        0
#define ARM64_IMAGE_FLAG_PAGE_SIZE_SHIFT    (ARM64_IMAGE_FLAG_BE_SHIFT + 1)
#define ARM64_IMAGE_FLAG_PHYS_BASE_SHIFT \
                   (ARM64_IMAGE_FLAG_PAGE_SIZE_SHIFT + 2)
#define ARM64_IMAGE_FLAG_BE_MASK        0x1
#define ARM64_IMAGE_FLAG_PAGE_SIZE_MASK        0x3
#define ARM64_IMAGE_FLAG_PHYS_BASE_MASK        0x1
 
#define ARM64_IMAGE_FLAG_LE            0
#define ARM64_IMAGE_FLAG_BE            1
#define ARM64_IMAGE_FLAG_PAGE_SIZE_4K        1
#define ARM64_IMAGE_FLAG_PAGE_SIZE_16K        2
#define ARM64_IMAGE_FLAG_PAGE_SIZE_64K        3
#define ARM64_IMAGE_FLAG_PHYS_BASE        1
 
#ifndef __ASSEMBLY__
 
#define arm64_image_flag_field(flags, field) \
               (((flags) >> field##_SHIFT) & field##_MASK)
 
/*
 * struct arm64_image_header - arm64 kernel image header
 * See Documentation/arm64/booting.rst for details
 *
 * @code0:        Executable code, or
 *   @mz_header          alternatively used for part of MZ header
 * @code1:        Executable code
 * @text_offset:    Image load offset
 * @image_size:        Effective Image size
 * @flags:        kernel flags
 * @reserved:        reserved
 * @magic:        Magic number
 * @reserved5:        reserved, or
 *   @pe_header:      alternatively used for PE COFF offset
 */
 
struct arm64_image_header {
   __le32 code0;
   __le32 code1;
   __le64 text_offset;
   __le64 image_size;
   __le64 flags;
   __le64 res2;
   __le64 res3;
   __le64 res4;
   __le32 magic;
   __le32 res5;
};
 
#endif /* __ASSEMBLY__ */
 
#endif /* __ASM_IMAGE_H */