diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/android_image.h | 69 | ||||
| -rw-r--r-- | include/image.h | 13 |
2 files changed, 82 insertions, 0 deletions
diff --git a/include/android_image.h b/include/android_image.h new file mode 100644 index 0000000000..094d60afe8 --- /dev/null +++ b/include/android_image.h @@ -0,0 +1,69 @@ +/* + * This is from the Android Project, + * Repository: https://android.googlesource.com/platform/bootable/bootloader/legacy + * File: include/boot/bootimg.h + * Commit: 4205b865141ff2e255fe1d3bd16de18e217ef06a + * + * Copyright (C) 2008 The Android Open Source Project + * + * SPDX-License-Identifier: BSD-2-Clause + */ + +#ifndef _ANDROID_IMAGE_H_ +#define _ANDROID_IMAGE_H_ + +#define ANDR_BOOT_MAGIC "ANDROID!" +#define ANDR_BOOT_MAGIC_SIZE 8 +#define ANDR_BOOT_NAME_SIZE 16 +#define ANDR_BOOT_ARGS_SIZE 512 + +struct andr_img_hdr { + char magic[ANDR_BOOT_MAGIC_SIZE]; + + u32 kernel_size; /* size in bytes */ + u32 kernel_addr; /* physical load addr */ + + u32 ramdisk_size; /* size in bytes */ + u32 ramdisk_addr; /* physical load addr */ + + u32 second_size; /* size in bytes */ + u32 second_addr; /* physical load addr */ + + u32 tags_addr; /* physical addr for kernel tags */ + u32 page_size; /* flash page size we assume */ + u32 unused[2]; /* future expansion: should be 0 */ + + char name[ANDR_BOOT_NAME_SIZE]; /* asciiz product name */ + + char cmdline[ANDR_BOOT_ARGS_SIZE]; + + u32 id[8]; /* timestamp / checksum / sha1 / etc */ +}; + +/* + * +-----------------+ + * | boot header | 1 page + * +-----------------+ + * | kernel | n pages + * +-----------------+ + * | ramdisk | m pages + * +-----------------+ + * | second stage | o pages + * +-----------------+ + * + * n = (kernel_size + page_size - 1) / page_size + * m = (ramdisk_size + page_size - 1) / page_size + * o = (second_size + page_size - 1) / page_size + * + * 0. all entities are page_size aligned in flash + * 1. kernel and ramdisk are required (size != 0) + * 2. second is optional (second_size == 0 -> no second) + * 3. load each element (kernel, ramdisk, second) at + * the specified physical address (kernel_addr, etc) + * 4. prepare tags at tag_addr. kernel_args[] is + * appended to the kernel commandline in the tags. + * 5. r0 = 0, r1 = MACHINE_TYPE, r2 = tags_addr + * 6. if second_size != 0: jump to second_addr + * else: jump to kernel_addr + */ +#endif diff --git a/include/image.h b/include/image.h index 2508d7d243..e1f92979a4 100644 --- a/include/image.h +++ b/include/image.h @@ -412,6 +412,7 @@ enum fit_load_op { #define IMAGE_FORMAT_INVALID 0x00 #define IMAGE_FORMAT_LEGACY 0x01 /* legacy image_header based format */ #define IMAGE_FORMAT_FIT 0x02 /* new, libfdt based format */ +#define IMAGE_FORMAT_ANDROID 0x03 /* Android boot image */ int genimg_get_format(const void *img_addr); int genimg_has_config(bootm_headers_t *images); @@ -1030,4 +1031,16 @@ static inline int fit_image_check_target_arch(const void *fdt, int node) #endif /* CONFIG_FIT_VERBOSE */ #endif /* CONFIG_FIT */ +#if defined(CONFIG_ANDROID_BOOT_IMAGE) +struct andr_img_hdr; +int android_image_check_header(const struct andr_img_hdr *hdr); +int android_image_get_kernel(const struct andr_img_hdr *hdr, int verify, + ulong *os_data, ulong *os_len); +int android_image_get_ramdisk(const struct andr_img_hdr *hdr, + ulong *rd_data, ulong *rd_len); +ulong android_image_get_end(const struct andr_img_hdr *hdr); +ulong android_image_get_kload(const struct andr_img_hdr *hdr); + +#endif /* CONFIG_ANDROID_BOOT_IMAGE */ + #endif /* __IMAGE_H__ */ |