birbnetes/raspi-alpine-builder
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raspi-alpine-builder
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remove unused kernel modules

This commit is contained in:
Benjamin Böhmke 2020-01-23 19:31:57 +01:00
parent 00211b4a68
commit 2f4733baf3
1 changed files with 25 additions and 1 deletions
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26
resources/build.sh
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@ -11,10 +11,11 @@ set -e
: ${DEFAULT_HOSTNAME:="alpine"}
: ${DEFAULT_ROOT_PASSWORD:="alpine"}
: ${DEFAULT_DROPBEAR_ENABLED:="true"}
: ${DEFAULT_KERNEL_MODULES:="ipv6 af_packet"}
: ${UBOOT_COUNTER_RESET_ENABLED:="true"}
: ${SIZE_BOOT:="100M"}
: ${SIZE_ROOT_FS:="200M"}
: ${SIZE_ROOT_FS:="100M"}
: ${SIZE_ROOT_PART:="500M"}
: ${SIZE_DATA:="20M"}
: ${IMG_NAME:="sdcard"}
@ -253,6 +254,29 @@ mkimage -A arm -O linux -T kernel -C none -a 0x00008000 -e 0x00008000 -n "Linux
mkimage -A arm -O linux -T kernel -C none -a 0x00008000 -e 0x00008000 -n "Linux kernel" -d ${ROOTFS_PATH}/boot/vmlinuz-rpi2 ${ROOTFS_PATH}/boot/uImage2
mkimage -A arm -O linux -T kernel -C none -a 0x00008000 -e 0x00008000 -n "Linux kernel" -d ${ROOTFS_PATH}/boot/vmlinuz-rpi4 ${ROOTFS_PATH}/boot/uImage4
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
echo ">> Remove kernel modules"
cd ${ROOTFS_PATH}/lib/modules
# loop all kernel versions
for d in * ; do
echo "Remove $d"
# collect modules to keep
moduleFiles=$(grep -E "/($(echo $DEFAULT_KERNEL_MODULES | sed "s/ /|/g")).ko:" $d/modules.dep | tr -d : | tr ' ' '\n' | sort | uniq | tr '\n' ' ')
# copy required modules to tmp dir
cd $d
cp --parents modules.* ${moduleFiles} ../${d}_tmp
cd ..
# replace original modules dir with new one
rm -rf $d
mv ${d}_tmp $d
done
cd ${WORK_PATH}
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# create boot FS
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #