Quelle  image.h   Sprache: C

/* 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/arch/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 */