Add support for boot image version 3 and 4 in android_image_get_dtb_img_addr(). Since the dtb is now included in vendor_boot image instead of boot image, extract the dtb address from vendor_boot image when a v3 or v4 is used.
Signed-off-by: Safae Ouajih souajih@baylibre.com Reviewed-by: Simon Glass sjg@chromium.org Reviewed-by: Mattijs Korpershoek mkorpershoek@baylibre.com --- boot/image-android.c | 47 +++++++++++++++++++++++++++++++------------- 1 file changed, 33 insertions(+), 14 deletions(-)
diff --git a/boot/image-android.c b/boot/image-android.c index a944f0a31a..6be439ed12 100644 --- a/boot/image-android.c +++ b/boot/image-android.c @@ -457,6 +457,7 @@ exit: static bool android_image_get_dtb_img_addr(ulong hdr_addr, ulong vhdr_addr, ulong *addr) { const struct andr_boot_img_hdr_v0 *hdr; + const struct andr_vnd_boot_img_hdr *v_hdr; ulong dtb_img_addr; bool ret = true;
@@ -473,22 +474,40 @@ static bool android_image_get_dtb_img_addr(ulong hdr_addr, ulong vhdr_addr, ulon goto exit; }
- if (hdr->dtb_size == 0) { - printf("Error: dtb_size is 0\n"); - ret = false; - goto exit; + if (hdr->header_version == 2) { + if (!hdr->dtb_size) { + printf("Error: dtb_size is 0\n"); + ret = false; + goto exit; + } + /* Calculate the address of DTB area in boot image */ + dtb_img_addr = hdr_addr; + dtb_img_addr += hdr->page_size; + dtb_img_addr += ALIGN(hdr->kernel_size, hdr->page_size); + dtb_img_addr += ALIGN(hdr->ramdisk_size, hdr->page_size); + dtb_img_addr += ALIGN(hdr->second_size, hdr->page_size); + dtb_img_addr += ALIGN(hdr->recovery_dtbo_size, hdr->page_size); + + *addr = dtb_img_addr; }
- /* Calculate the address of DTB area in boot image */ - dtb_img_addr = hdr_addr; - dtb_img_addr += hdr->page_size; - dtb_img_addr += ALIGN(hdr->kernel_size, hdr->page_size); - dtb_img_addr += ALIGN(hdr->ramdisk_size, hdr->page_size); - dtb_img_addr += ALIGN(hdr->second_size, hdr->page_size); - dtb_img_addr += ALIGN(hdr->recovery_dtbo_size, hdr->page_size); - - *addr = dtb_img_addr; - + if (hdr->header_version > 2) { + v_hdr = map_sysmem(vhdr_addr, sizeof(*v_hdr)); + if (!v_hdr->dtb_size) { + printf("Error: dtb_size is 0\n"); + ret = false; + unmap_sysmem(v_hdr); + goto exit; + } + /* Calculate the address of DTB area in boot image */ + dtb_img_addr = vhdr_addr; + dtb_img_addr += v_hdr->page_size; + if (v_hdr->vendor_ramdisk_size) + dtb_img_addr += ALIGN(v_hdr->vendor_ramdisk_size, v_hdr->page_size); + *addr = dtb_img_addr; + unmap_sysmem(v_hdr); + goto exit; + } exit: unmap_sysmem(hdr); return ret;