On Mon, Feb 06, 2023 at 00:50, Safae Ouajih souajih@baylibre.com wrote:
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.
Support the new vendor ramdisk.
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 | 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 712d437766..35243fd5b1 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 c2e751c136..c4d9b1c575 100644 --- a/include/image.h +++ b/include/image.h @@ -1782,8 +1782,8 @@ int android_image_get_kernel(const struct andr_boot_img_hdr_v0 *hdr,
- @rd_len: Pointer to a ulong variable, will hold ramdisk length
- Return: 0 if succeeded, -1 if ramdisk size is 0
*/ -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);/**
- android_image_get_second() - Extracts the secondary bootloader address
-- 2.34.1