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Implement support for swupdate, local updates
This commit adds support for updating the system using swupdate, using a dual root filesystem scheme: - genimage.cfg is updated to add another root filesystem partition, to implement the dual copy scheme - sw-description is the swupdate image description file, that will be part of the swupdate update file - postupdate.sh is the shell script that will be executed on the target once the upgrade has completed successfully. - gen-swupdate-image.sh is the shell script executed on the build machine at the end of the Buildroot build to generate the swupdate update file - extlinux.conf is updated so that the root= kernel argument is properly adjusted depending on which partition we are booting on - stm32mp15_dk_defconfig is updated with swupdate, the sgdisk tool from gptfdisk, and to call the gen-swupdate-image.sh script as a post-image script. - the kernel configuration is updated with additional options for USB mass storage support Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| #!/bin/sh | ||
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| BOARD_DIR=$(dirname $0) | ||
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| cp ${BOARD_DIR}/sw-description ${BINARIES_DIR} | ||
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| IMG_FILES="sw-description rootfs.ext4.gz" | ||
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| pushd ${BINARIES_DIR} | ||
| for f in ${IMG_FILES} ; do | ||
| echo ${f} | ||
| done | cpio -ovL -H crc > buildroot.swu | ||
| popd |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,4 @@ | ||
| label stm32mp15-buildroot | ||
| kernel /boot/zImage | ||
| devicetree /boot/stm32mp157c-dk2.dtb | ||
| append root=/dev/mmcblk0p4 rootwait console=ttySTM0,115200 vt.global_cursor_default=0 | ||
| append root=/dev/mmcblk0p${devplist} rootwait console=ttySTM0,115200 vt.global_cursor_default=0 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| #!/bin/sh | ||
| sgdisk -A 4:toggle:2 -A 5:toggle:2 /dev/mmcblk0 | ||
| reboot |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| software = { | ||
| version = "0.1.0"; | ||
| rootfs = { | ||
| rootfs-1: { | ||
| images: ( | ||
| { | ||
| filename = "rootfs.ext4.gz"; | ||
| compressed = true; | ||
| device = "/dev/mmcblk0p4"; | ||
| }); | ||
| } | ||
| rootfs-2: { | ||
| images: ( | ||
| { | ||
| filename = "rootfs.ext4.gz"; | ||
| compressed = true; | ||
| device = "/dev/mmcblk0p5"; | ||
| }); | ||
| } | ||
| } | ||
| } |
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