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fastboot: copy AVB footer from init_boot.img to end of partition

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Similar to GKI boot.img, init_boot.img is released as a specific size
and should be able to be flashed into partitions that have different
sizes. So the AVB footer is moved from the end of the init_boot.img to
the end of the partition in the case that the partition is larger than
the image.

Bug: 203698939
Test: m
Change-Id: Ib5a63a7bf1b4be4eba4941972750f12e3edb3a17
This commit is contained in:
Devin Moore 2022-01-06 01:11:23 +00:00
parent dd1eb8733d
commit 1af1202fbd
2 changed files with 4 additions and 2 deletions
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3
fastboot/device/flashing.cpp
View file

@ -172,7 +172,8 @@ int Flash(FastbootDevice* device, const std::string& partition_name) {
return -EOVERFLOW;
} else if (data.size() < block_device_size &&
(partition_name == "boot" || partition_name == "boot_a" ||
partition_name == "boot_b")) {
partition_name == "boot_b" || partition_name == "init_boot" ||
partition_name == "init_boot_a" || partition_name == "init_boot_b")) {
CopyAVBFooter(&data, block_device_size);
}
if (android::base::GetProperty("ro.system.build.type", "") != "user") {

3
fastboot/fastboot.cpp
View file

@ -1076,7 +1076,8 @@ static void flash_buf(const std::string& partition, struct fastboot_buffer *buf)
{
sparse_file** s;
if (partition == "boot" || partition == "boot_a" || partition == "boot_b") {
if (partition == "boot" || partition == "boot_a" || partition == "boot_b" ||
partition == "init_boot" || partition == "init_boot_a" || partition == "init_boot_b") {
copy_boot_avb_footer(partition, buf);
}