xref: /linux/arch/arm64/include/asm/image.h (revision 6e4596c4038adfcf52d0dc37ba9cb505c4afaa65)
1f56063c5SAKASHI Takahiro /* SPDX-License-Identifier: GPL-2.0 */
2f56063c5SAKASHI Takahiro 
3f56063c5SAKASHI Takahiro #ifndef __ASM_IMAGE_H
4f56063c5SAKASHI Takahiro #define __ASM_IMAGE_H
5f56063c5SAKASHI Takahiro 
6f56063c5SAKASHI Takahiro #define ARM64_IMAGE_MAGIC	"ARM\x64"
7f56063c5SAKASHI Takahiro 
8f56063c5SAKASHI Takahiro #define ARM64_IMAGE_FLAG_BE_SHIFT		0
9f56063c5SAKASHI Takahiro #define ARM64_IMAGE_FLAG_PAGE_SIZE_SHIFT	(ARM64_IMAGE_FLAG_BE_SHIFT + 1)
10f56063c5SAKASHI Takahiro #define ARM64_IMAGE_FLAG_PHYS_BASE_SHIFT \
11f56063c5SAKASHI Takahiro 					(ARM64_IMAGE_FLAG_PAGE_SIZE_SHIFT + 2)
12f56063c5SAKASHI Takahiro #define ARM64_IMAGE_FLAG_BE_MASK		0x1
13f56063c5SAKASHI Takahiro #define ARM64_IMAGE_FLAG_PAGE_SIZE_MASK		0x3
14f56063c5SAKASHI Takahiro #define ARM64_IMAGE_FLAG_PHYS_BASE_MASK		0x1
15f56063c5SAKASHI Takahiro 
16f56063c5SAKASHI Takahiro #define ARM64_IMAGE_FLAG_LE			0
17f56063c5SAKASHI Takahiro #define ARM64_IMAGE_FLAG_BE			1
18f56063c5SAKASHI Takahiro #define ARM64_IMAGE_FLAG_PAGE_SIZE_4K		1
19f56063c5SAKASHI Takahiro #define ARM64_IMAGE_FLAG_PAGE_SIZE_16K		2
20f56063c5SAKASHI Takahiro #define ARM64_IMAGE_FLAG_PAGE_SIZE_64K		3
21f56063c5SAKASHI Takahiro #define ARM64_IMAGE_FLAG_PHYS_BASE		1
22f56063c5SAKASHI Takahiro 
23f56063c5SAKASHI Takahiro #ifndef __ASSEMBLY__
24f56063c5SAKASHI Takahiro 
25f56063c5SAKASHI Takahiro #define arm64_image_flag_field(flags, field) \
26f56063c5SAKASHI Takahiro 				(((flags) >> field##_SHIFT) & field##_MASK)
27f56063c5SAKASHI Takahiro 
28f56063c5SAKASHI Takahiro /*
29f56063c5SAKASHI Takahiro  * struct arm64_image_header - arm64 kernel image header
30*6e4596c4SJonathan Corbet  * See Documentation/arch/arm64/booting.rst for details
31f56063c5SAKASHI Takahiro  *
32f56063c5SAKASHI Takahiro  * @code0:		Executable code, or
33f56063c5SAKASHI Takahiro  *   @mz_header		  alternatively used for part of MZ header
34f56063c5SAKASHI Takahiro  * @code1:		Executable code
35f56063c5SAKASHI Takahiro  * @text_offset:	Image load offset
36f56063c5SAKASHI Takahiro  * @image_size:		Effective Image size
37f56063c5SAKASHI Takahiro  * @flags:		kernel flags
38f56063c5SAKASHI Takahiro  * @reserved:		reserved
39f56063c5SAKASHI Takahiro  * @magic:		Magic number
40f56063c5SAKASHI Takahiro  * @reserved5:		reserved, or
41f56063c5SAKASHI Takahiro  *   @pe_header:	  alternatively used for PE COFF offset
42f56063c5SAKASHI Takahiro  */
43f56063c5SAKASHI Takahiro 
44f56063c5SAKASHI Takahiro struct arm64_image_header {
45f56063c5SAKASHI Takahiro 	__le32 code0;
46f56063c5SAKASHI Takahiro 	__le32 code1;
47f56063c5SAKASHI Takahiro 	__le64 text_offset;
48f56063c5SAKASHI Takahiro 	__le64 image_size;
49f56063c5SAKASHI Takahiro 	__le64 flags;
50f56063c5SAKASHI Takahiro 	__le64 res2;
51f56063c5SAKASHI Takahiro 	__le64 res3;
52f56063c5SAKASHI Takahiro 	__le64 res4;
53f56063c5SAKASHI Takahiro 	__le32 magic;
54f56063c5SAKASHI Takahiro 	__le32 res5;
55f56063c5SAKASHI Takahiro };
56f56063c5SAKASHI Takahiro 
57f56063c5SAKASHI Takahiro #endif /* __ASSEMBLY__ */
58f56063c5SAKASHI Takahiro 
59f56063c5SAKASHI Takahiro #endif /* __ASM_IMAGE_H */
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