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| author | Brian Norris <computersforpeace@gmail.com> | 2020-06-13 20:12:18 -0700 |
|---|---|---|
| committer | Christian Lamparter <chunkeey@gmail.com> | 2022-03-25 18:14:13 +0100 |
| commit | 17b05045bd82f04a8839666ec0fe43a5041d77c7 (patch) | |
| tree | c16982951aa1c85653ffcb6c40b1097d2af5a691 /package/base-files | |
| parent | 331d78a90f3f11e9abfbc114a601c565899e3764 (diff) | |
| download | upstream-17b05045bd82f04a8839666ec0fe43a5041d77c7.tar.gz upstream-17b05045bd82f04a8839666ec0fe43a5041d77c7.tar.bz2 upstream-17b05045bd82f04a8839666ec0fe43a5041d77c7.zip | |
ipq40xx: Support Chromium OS image-type creation
See firmware-utils.git commits [1], which implemented the cros-vbutil
verified-boot payload-packing tool, and extended ptgen for the CrOS
kernel partition type. With these, it's now possible to package kernel +
rootfs to make disk images that can boot a Chrome OS-based system (e.g.,
Chromebooks, or even a few AP models).
Regarding PARTUUID= changes: Chromium bootloaders work well with a
partition number offset (i.e., relative to the kernel partition), so
we'll be using a slightly different root UUID line.
NB: I've made this support specific to ip40xx for now, because I only
plan to support an IPQ4019-based AP that uses a Chromium-based
bootloader, but this image format can be used for essentially any
Chromebook, as well as the Google OnHub, a prior Chromium-based AP using
an IPQ8064 chipset.
[1]
ptgen: add Chromium OS kernel partition support
https://git.openwrt.org/?p=project/firmware-utils.git;a=commit;h=6c95945b5de973026dc6f52eb088d0943efa96bb
cros-vbutil: add Chrome OS vboot kernel-signing utility
https://git.openwrt.org/?p=project/firmware-utils.git;a=commit;h=8e7274e02fdc6f2cb61b415d6e5b2e1c7e977aa1
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'package/base-files')
| -rw-r--r-- | package/base-files/files/lib/upgrade/common.sh | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh index 24ff77a8b3..5af061f6a4 100644 --- a/package/base-files/files/lib/upgrade/common.sh +++ b/package/base-files/files/lib/upgrade/common.sh @@ -155,9 +155,11 @@ export_bootdevice() { fi done ;; + PARTUUID=????????-????-????-????-??????????0?/PARTNROFF=1 | \ PARTUUID=????????-????-????-????-??????????02) uuid="${rootpart#PARTUUID=}" - uuid="${uuid%02}00" + uuid="${uuid%/PARTNROFF=1}" + uuid="${uuid%0?}00" for disk in $(find /dev -type b); do set -- $(dd if=$disk bs=1 skip=568 count=16 2>/dev/null | hexdump -v -e '8/1 "%02x "" "2/1 "%02x""-"6/1 "%02x"') if [ "$4$3$2$1-$6$5-$8$7-$9" = "$uuid" ]; then |