diff options
author | Justin Yun <justinyun@google.com> | 2019-07-01 10:53:59 +0900 |
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committer | Justin Yun <justinyun@google.com> | 2019-07-01 10:53:59 +0900 |
commit | 81dd5055b1e1b1891e26e08c94817d05ccf6c44a (patch) | |
tree | 12eb04e8a3b8eaccfeedf7312ebd03b1384cd769 | |
parent | 54dfa8a3ec752f416af89b1642a3580cc4957b17 (diff) | |
download | avb-android-o-mr1-iot-release-1.0.14.tar.gz |
Rename product_services to system_extandroid-o-mr1-iot-release-1.0.14
Bug: 134359158
Test: N/A
Change-Id: Ib43f94bd2caf02d7b018c947674fd1a5a4c279d8
-rw-r--r-- | README.md | 22 |
1 files changed, 11 insertions, 11 deletions
@@ -594,8 +594,8 @@ a hash descriptor for `boot.img`, a hashtree descriptor for `system.img`, a kernel-cmdline descriptor for setting up `dm-verity` for `system.img` and append a hash-tree to `system.img`. If the build system is set up such that one or many of `vendor.img` / `product.img` -/ `odm.img` / `product_services.img` are being built, the hash-tree for -each of them will also be appended to the image respectively, and their +/ `system_ext.img` / `odm.img` are being built, the hash-tree for each +of them will also be appended to the image respectively, and their hash-tree descriptors will be included into `vbmeta.img` accordingly. By default, the algorithm `SHA256_RSA4096` is used with a test key @@ -623,20 +623,20 @@ Devices can be configured to create additional `vbmeta` partitions as partitions without changing the top-level `vbmeta` partition. For example, the following variables create `vbmeta_system.img` as a chained `vbmeta` image that contains the hash-tree descriptors for `system.img` and -`product_services.img`. `vbmeta_system.img` itself will be signed by the -specified key and algorithm. +`system_ext.img`. `vbmeta_system.img` itself will be signed by the specified +key and algorithm. - BOARD_AVB_VBMETA_SYSTEM := system product_services + BOARD_AVB_VBMETA_SYSTEM := system system_ext BOARD_AVB_VBMETA_SYSTEM_KEY_PATH := external/avb/test/data/testkey_rsa2048.pem BOARD_AVB_VBMETA_SYSTEM_ALGORITHM := SHA256_RSA2048 BOARD_AVB_VBMETA_SYSTEM_ROLLBACK_INDEX_LOCATION := 1 -Note that the hash-tree descriptors for `system.img` and -`product_services.img` will be included only in `vbmeta_system.img`, but -not `vbmeta.img`. With the above setup, partitions `system.img`, -`product_services.img` and `vbmeta_system.img` can be updated -independently - but as a group - of the rest of the partitions, *or* as -part of the traditional updates that update all the partitions. +Note that the hash-tree descriptors for `system.img` and `system_ext.img` +will be included only in `vbmeta_system.img`, but not `vbmeta.img`. With +the above setup, partitions `system.img`, `system_ext.img` and +`vbmeta_system.img` can be updated independently - but as a group - of the +rest of the partitions, *or* as part of the traditional updates that +update all the partitions. Currently build system supports building chained `vbmeta` images of `vbmeta_system.img` (`BOARD_AVB_VBMETA_SYSTEM`) and `vbmeta_vendor.img` |