arch/arm64/include/asm/image.h

   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/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
  44 struct 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 */