Version 3 and 4 of boot image header introduced vendor boot ramdisk: Please check include/android_image.h for details.
The ramdisk is now split into a generic ramdisk in boot image and a vendor ramdisk in vendor boot image.
Signed-off-by: Safae Ouajih souajih@baylibre.com --- boot/image-android.c | 13 +++++++++++-- include/image.h | 4 ++-- 2 files changed, 13 insertions(+), 4 deletions(-)
diff --git a/boot/image-android.c b/boot/image-android.c index 0e78ca0dac..5b270e4417 100644 --- a/boot/image-android.c +++ b/boot/image-android.c @@ -25,6 +25,7 @@ static void android_boot_image_v3_v4_parse_hdr(const struct andr_boot_img_hdr_v3
data->kcmdline = hdr->cmdline; data->header_version = hdr->header_version; + data->ramdisk_ptr = env_get_ulong("ramdisk_addr_r", 16, 0);
/* * The header takes a full page, the remaining components are aligned @@ -322,10 +323,11 @@ ulong android_image_get_kcomp(const struct andr_boot_img_hdr_v0 *hdr, return image_decomp_type(p, sizeof(u32)); }
-int android_image_get_ramdisk(const struct andr_boot_img_hdr_v0 *hdr, - const void *vendor_boot_img, ulong *rd_data, ulong *rd_len) +int android_image_get_ramdisk(const void *hdr, const void *vendor_boot_img, + ulong *rd_data, ulong *rd_len) { struct andr_image_data img_data = {0}; + ulong ramdisk_ptr;
if (!android_image_get_data(hdr, vendor_boot_img, &img_data)) return -EINVAL; @@ -334,6 +336,13 @@ int android_image_get_ramdisk(const struct andr_boot_img_hdr_v0 *hdr, *rd_data = *rd_len = 0; return -1; } + if (img_data.header_version > 2) { + ramdisk_ptr = img_data.ramdisk_ptr; + memcpy((void *)(ramdisk_ptr), (void *)img_data.vendor_ramdisk_ptr, + img_data.vendor_ramdisk_size); + memcpy((void *)(ramdisk_ptr + img_data.vendor_ramdisk_size), + (void *)img_data.ramdisk_ptr, img_data.boot_ramdisk_size); + }
printf("RAM disk load addr 0x%08lx size %u KiB\n", img_data.ramdisk_ptr, DIV_ROUND_UP(img_data.ramdisk_size, 1024)); diff --git a/include/image.h b/include/image.h index a1a14403d5..ac94ecaa14 100644 --- a/include/image.h +++ b/include/image.h @@ -1742,8 +1742,8 @@ struct andr_boot_img_hdr_v0; int android_image_get_kernel(const struct andr_boot_img_hdr_v0 *hdr, const void *vendor_boot_img, int verify, ulong *os_data, ulong *os_len); -int android_image_get_ramdisk(const struct andr_boot_img_hdr_v0 *hdr, - const void *vendor_boot_img, ulong *rd_data, ulong *rd_len); +int android_image_get_ramdisk(const void *hdr, const void *vendor_boot_img, + ulong *rd_data, ulong *rd_len); int android_image_get_second(const struct andr_boot_img_hdr_v0 *hdr, ulong *second_data, ulong *second_len); bool android_image_get_dtbo(ulong hdr_addr, ulong *addr, u32 *size);