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base/kernel: Support zstd-compressed squashfs and cpio initramfs

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Enable zstd PACKAGECONFIG knob for squashfs-tools and add support for zstd
compressed initramfs and squashfs.

(From OE-Core rev: fa146049eec5f9730781830270cc9dc55a2146f7)

Signed-off-by: Zoltán Böszörményi <zboszor@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Zoltán Böszörményi
2021-08-27 09:37:12 +02:00
committed by Richard Purdie
parent 3d2904cab5
commit e492d55d02
5 changed files with 18 additions and 6 deletions
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10
meta/classes/kernel.bbclass
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@@ -9,6 +9,7 @@ PROVIDES += "${@ "virtual/kernel" if (d.getVar("KERNEL_PACKAGE_NAME") == "kernel
DEPENDS += "virtual/${TARGET_PREFIX}binutils virtual/${TARGET_PREFIX}gcc kmod-native bc-native bison-native"
DEPENDS += "${@bb.utils.contains("INITRAMFS_FSTYPES", "cpio.lzo", "lzop-native", "", d)}"
DEPENDS += "${@bb.utils.contains("INITRAMFS_FSTYPES", "cpio.lz4", "lz4-native", "", d)}"
DEPENDS += "${@bb.utils.contains("INITRAMFS_FSTYPES", "cpio.zst", "zstd-native", "", d)}"
PACKAGE_WRITE_DEPS += "depmodwrapper-cross"
do_deploy[depends] += "depmodwrapper-cross:do_populate_sysroot gzip-native:do_populate_sysroot"
@@ -236,7 +237,7 @@ copy_initramfs() {
mkdir -p ${B}/usr
# Find and use the first initramfs image archive type we find
rm -f ${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio
for img in cpio cpio.gz cpio.lz4 cpio.lzo cpio.lzma cpio.xz; do
for img in cpio cpio.gz cpio.lz4 cpio.lzo cpio.lzma cpio.xz cpio.zst; do
if [ -e "${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE_NAME}.$img" ]; then
cp ${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE_NAME}.$img ${B}/usr/.
case $img in
@@ -265,12 +266,17 @@ copy_initramfs() {
xz -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
break
;;
*zst)
echo "zst decompressing image"
zstd -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
break
;;
esac
break
fi
done
# Verify that the above loop found a initramfs, fail otherwise
[ -f ${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio ] && echo "Finished copy of initramfs into ./usr" || die "Could not find any ${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE_NAME}.cpio{.gz|.lz4|.lzo|.lzma|.xz) for bundling; INITRAMFS_IMAGE_NAME might be wrong."
[ -f ${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio ] && echo "Finished copy of initramfs into ./usr" || die "Could not find any ${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE_NAME}.cpio{.gz|.lz4|.lzo|.lzma|.xz|.zst) for bundling; INITRAMFS_IMAGE_NAME might be wrong."
}
do_bundle_initramfs () {