1/* SPDX-License-Identifier: GPL-2.0 */
2
3#ifndef __ASM_IMAGE_H
4#define __ASM_IMAGE_H
5
6#define ARM64_IMAGE_MAGIC	"ARM\x64"
7
8#define ARM64_IMAGE_FLAG_BE_SHIFT		0
9#define ARM64_IMAGE_FLAG_PAGE_SIZE_SHIFT	(ARM64_IMAGE_FLAG_BE_SHIFT + 1)
10#define ARM64_IMAGE_FLAG_PHYS_BASE_SHIFT \
11					(ARM64_IMAGE_FLAG_PAGE_SIZE_SHIFT + 2)
12#define ARM64_IMAGE_FLAG_BE_MASK		0x1
13#define ARM64_IMAGE_FLAG_PAGE_SIZE_MASK		0x3
14#define ARM64_IMAGE_FLAG_PHYS_BASE_MASK		0x1
15
16#define ARM64_IMAGE_FLAG_LE			0
17#define ARM64_IMAGE_FLAG_BE			1
18#define ARM64_IMAGE_FLAG_PAGE_SIZE_4K		1
19#define ARM64_IMAGE_FLAG_PAGE_SIZE_16K		2
20#define ARM64_IMAGE_FLAG_PAGE_SIZE_64K		3
21#define ARM64_IMAGE_FLAG_PHYS_BASE		1
22
23#ifndef __ASSEMBLY__
24
25#define arm64_image_flag_field(flags, field) \
26				(((flags) >> field##_SHIFT) & field##_MASK)
27
28/*
29 * struct arm64_image_header - arm64 kernel image header
30 * See Documentation/arch/arm64/booting.rst for details
31 *
32 * @code0:		Executable code, or
33 *   @mz_header		  alternatively used for part of MZ header
34 * @code1:		Executable code
35 * @text_offset:	Image load offset
36 * @image_size:		Effective Image size
37 * @flags:		kernel flags
38 * @reserved:		reserved
39 * @magic:		Magic number
40 * @reserved5:		reserved, or
41 *   @pe_header:	  alternatively used for PE COFF offset
42 */
43
44struct arm64_image_header {
45	__le32 code0;
46	__le32 code1;
47	__le64 text_offset;
48	__le64 image_size;
49	__le64 flags;
50	__le64 res2;
51	__le64 res3;
52	__le64 res4;
53	__le32 magic;
54	__le32 res5;
55};
56
57#endif /* __ASSEMBLY__ */
58
59#endif /* __ASM_IMAGE_H */
60