This adds support for v3/v4 boot image format by adding the following structures:
- andr_boot_img_hdr_v3_v4 : describes boot image header - andr_vendor_boot_img_hdr_v3_v4 : describes vendor boot image header These definitions have been copied over from the AOSP documentation at [1] and [2] Boot arg sizes are taken from [3]: `35fb6262bc3fe2280c37047a92d79953789760e5` [1] https://source.android.com/docs/core/architecture/bootloader/boot-image-header [2] https://source.android.com/docs/core/architecture/bootloader/partitions/vendor-boot-partitions#vendor-boot-header [3] https://android.googlesource.com/platform/external/u-boot Signed-off-by: Safae Ouajih <soua...@baylibre.com> --- include/android_image.h | 47 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/include/android_image.h b/include/android_image.h index bf9b8c6f0955..ec36e6512ad6 100644 --- a/include/android_image.h +++ b/include/android_image.h @@ -14,11 +14,58 @@ #include <linux/compiler.h> #include <linux/types.h> +#define ANDR_GKI_PAGE_SIZE 4096 #define ANDR_BOOT_MAGIC "ANDROID!" #define ANDR_BOOT_MAGIC_SIZE 8 #define ANDR_BOOT_NAME_SIZE 16 #define ANDR_BOOT_ARGS_SIZE 512 #define ANDR_BOOT_EXTRA_ARGS_SIZE 1024 +#define VENDOR_BOOT_MAGIC "VNDRBOOT" +#define ANDR_VENDOR_BOOT_MAGIC_SIZE 8 +#define ANDR_VENDOR_BOOT_ARGS_SIZE 2048 +#define ANDR_VENDOR_BOOT_NAME_SIZE 16 + +struct andr_boot_img_hdr_v3_v4 { + u8 magic[ANDR_BOOT_MAGIC_SIZE]; + + u32 kernel_size; /* size in bytes */ + u32 ramdisk_size; /* size in bytes */ + + u32 os_version; + + u32 header_size; /* size of boot image header in bytes */ + u32 reserved[4]; + u32 header_version; /* offset remains constant for version check */ + + u8 cmdline[ANDR_BOOT_ARGS_SIZE + ANDR_BOOT_EXTRA_ARGS_SIZE]; + /* for boot image header v4 only */ + u32 signature_size; /* size in bytes */ +}; + +struct andr_vendor_boot_img_hdr_v3_v4 { + u8 magic[ANDR_VENDOR_BOOT_MAGIC_SIZE]; + u32 header_version; + u32 page_size; /* flash page size we assume */ + + u32 kernel_addr; /* physical load addr */ + u32 ramdisk_addr; /* physical load addr */ + + u32 vendor_ramdisk_size; /* size in bytes */ + + u8 cmdline[ANDR_VENDOR_BOOT_ARGS_SIZE]; + + u32 tags_addr; /* physical addr for kernel tags */ + + u8 name[ANDR_VENDOR_BOOT_NAME_SIZE]; /* asciiz product name */ + u32 header_size; /* size of vendor boot image header in bytes */ + u32 dtb_size; /* size of dtb image */ + u64 dtb_addr; /* physical load address */ + /* for boot image header v4 only */ + u32 vendor_ramdisk_table_size; /* size in bytes for the vendor ramdisk table */ + u32 vendor_ramdisk_table_entry_num; /* number of entries in the vendor ramdisk table */ + u32 vendor_ramdisk_table_entry_size; /* size in bytes for a vendor ramdisk table entry */ + u32 bootconfig_size; /* size in bytes for the bootconfig section */ +}; /* The bootloader expects the structure of andr_boot_img_hdr_v0_v1_v2 with header * version 0 to be as follows: */ -- 2.25.1
