include/asm/image.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002
0003 #ifndef __ASM_IMAGE_H
0004 #define __ASM_IMAGE_H
0005
0006 #define ARM64_IMAGE_MAGIC   "ARM\x64"
0007
0008 #define ARM64_IMAGE_FLAG_BE_SHIFT       0
0009 #define ARM64_IMAGE_FLAG_PAGE_SIZE_SHIFT    (ARM64_IMAGE_FLAG_BE_SHIFT + 1)
0010 #define ARM64_IMAGE_FLAG_PHYS_BASE_SHIFT \
0011                     (ARM64_IMAGE_FLAG_PAGE_SIZE_SHIFT + 2)
0012 #define ARM64_IMAGE_FLAG_BE_MASK        0x1
0013 #define ARM64_IMAGE_FLAG_PAGE_SIZE_MASK     0x3
0014 #define ARM64_IMAGE_FLAG_PHYS_BASE_MASK     0x1
0015
0016 #define ARM64_IMAGE_FLAG_LE         0
0017 #define ARM64_IMAGE_FLAG_BE         1
0018 #define ARM64_IMAGE_FLAG_PAGE_SIZE_4K       1
0019 #define ARM64_IMAGE_FLAG_PAGE_SIZE_16K      2
0020 #define ARM64_IMAGE_FLAG_PAGE_SIZE_64K      3
0021 #define ARM64_IMAGE_FLAG_PHYS_BASE      1
0022
0023 #ifndef __ASSEMBLY__
0024
0025 #define arm64_image_flag_field(flags, field) \
0026                 (((flags) >> field##_SHIFT) & field##_MASK)
0027
0028 /*
0029  * struct arm64_image_header - arm64 kernel image header
0030  * See Documentation/arm64/booting.rst for details
0031  *
0032  * @code0:      Executable code, or
0033  *   @mz_header       alternatively used for part of MZ header
0034  * @code1:      Executable code
0035  * @text_offset:    Image load offset
0036  * @image_size:     Effective Image size
0037  * @flags:      kernel flags
0038  * @reserved:       reserved
0039  * @magic:      Magic number
0040  * @reserved5:      reserved, or
0041  *   @pe_header:      alternatively used for PE COFF offset
0042  */
0043
0044 struct arm64_image_header {
0045     __le32 code0;
0046     __le32 code1;
0047     __le64 text_offset;
0048     __le64 image_size;
0049     __le64 flags;
0050     __le64 res2;
0051     __le64 res3;
0052     __le64 res4;
0053     __le32 magic;
0054     __le32 res5;
0055 };
0056
0057 #endif /* __ASSEMBLY__ */
0058
0059 #endif /* __ASM_IMAGE_H */