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initrd-flash: Add custom extra-pre-wipe

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This introduces a hook to the initrd-flash script which makes it
possible to run custom scripts before erasing the storage disk
via "erase-nvme" or overwriting it via "export-devices".

Note: There exists already an "extra" hock to run future scripts
before the final reboot step. Similar to that, any future recipe
intended to add custom extra pre-wipe scripts can use the
TEGRA_INITRD_FLASH_INSTALL variable in the distro config to add
the new package(s).

Furthermore, note that these custom scripts will need to be
installed with executable permission set in the
/init_extra-pre-wipe.d folder of the tegraflash initrd image.

Signed-off-by: Stefan Schorr <stefan.schorr@cognex.com>
This commit is contained in:
Stefan Schorr
2024-08-15 15:37:15 +02:00
committed by Matt Madison
parent 814a256f34
commit 716714ae34
4 changed files with 25 additions and 0 deletions
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2
recipes-bsp/tegra-binaries/tegra-helper-scripts/initrd-flash.sh
View File

@@ -341,6 +341,8 @@ generate_flash_package() {
cp bootloader_staging/* "$mnt/flashpkg/bootloader"
fi
echo "extra-pre-wipe" >> "$mnt/flashpkg/conf/command_sequence"
if [ $erase_nvme -eq 1 ]; then
echo "erase-nvme" >> "$mnt/flashpkg/conf/command_sequence"
fi

13
recipes-core/initrdscripts/tegra-flash-init/init-extra-pre-wipe.sh Normal file
View File

@@ -0,0 +1,13 @@
#!/bin/sh
# Run custom extra pre wipe init script(s) provided from seperate recipes.
init_extra_pre_wipe_dir="/init-extra-pre-wipe.d"
if [ -d "${init_extra_pre_wipe_dir}" ] && [ "$(ls -A ${init_extra_pre_wipe_dir})" ]; then
for script in "${init_extra_pre_wipe_dir}"/*; do
./"${script}" 2>&1 | tee "/tmp/flashpkg/flashpkg/logs/custom-extra-pre-wipe-$(basename "${script}").log"
done
else
echo "No init_extra_pre_wipe was found, ignoring" > /tmp/flashpkg/flashpkg/logs/custom-extra-pre-wipe.log
fi

7
recipes-core/initrdscripts/tegra-flash-init/init-flash.sh
View File

@@ -170,6 +170,13 @@ else
process_bootloader_package 2>&1 > /tmp/flashpkg/flashpkg/logs/bootloader.log &
wait_for_bootloader=yes
;;
extra-pre-wipe)
if [ -f "/init-extra-pre-wipe" ]; then
./init-extra-pre-wipe
else
echo "No init-extra-pre-wipe was found" >&2
fi
;;
erase-mmc)
if [ -b /dev/mmcblk0 ]; then
blkdiscard -f /dev/mmcblk0 2>&1 > /tmp/flashpkg/flashpkg/logs/erase-mmc.log

3
recipes-core/initrdscripts/tegra-flash-init_1.0.bb
View File

@@ -4,6 +4,7 @@ LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda
SRC_URI = "\
file://init-flash.sh \
file://init-extra-pre-wipe.sh \
file://init-extra.sh \
file://program-boot-device.sh \
file://initrd-flash.scheme.in \
@@ -23,7 +24,9 @@ do_configure() {
do_install() {
install -m 0755 ${UNPACKDIR}/init-flash.sh ${D}/init
install -m 0755 ${UNPACKDIR}/init-extra-pre-wipe.sh ${D}/init-extra-pre-wipe
install -m 0755 ${UNPACKDIR}/init-extra.sh ${D}/init-extra
install -m 0755 -d ${D}/init-extra-pre-wipe.d
install -m 0755 -d ${D}/init-extra.d
install -m 0555 -d ${D}/proc ${D}/sys
install -m 0755 -d ${D}/dev ${D}/mnt ${D}/run ${D}/usr