mirror of
https://gitlab.alpinelinux.org/alpine/aports.git
synced 2025-08-05 21:37:15 +02:00
216 lines
6.8 KiB
Plaintext
216 lines
6.8 KiB
Plaintext
# Maintainer: Milan P. Stanić <mps@arvanta.net>
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_flavor=elm
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pkgname=linux-${_flavor}
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# NOTE: this kernel is intended for testing
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# please resist urge to upgrade it blindly
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pkgver=6.8.2
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case $pkgver in
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*.*.*) _kernver=${pkgver%.*};;
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*.*) _kernver=$pkgver;;
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esac
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pkgrel=0
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pkgdesc="Linux latest stable kernel for $_flavor chromebooks"
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url="https://www.kernel.org"
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_depends_dev="perl gmp-dev bash flex bison"
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makedepends="$_depends_dev sed installkernel bc linux-headers linux-firmware-any
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openssl-dev diffutils findutils vboot-utils u-boot-tools dtc"
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options="!strip !check"
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install=
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#subpackages="$pkgname-dev:_dev:$CBUILD_ARCH"
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source="https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/linux-$_kernver.tar.xz"
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case $pkgver in
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*.*.0) source="$source";;
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*.*.*) source="$source
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https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/patch-$pkgver.xz" ;;
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esac
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source="$source
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config
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kernel.its.$_flavor
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fix-mmc-order.patch
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mps-ter12x24-font-kernel.patch
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"
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arch="aarch64"
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_carch="arm64"
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license="GPL-2.0"
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prepare() {
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local _patch_failed=
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cd "$srcdir"/linux-$_kernver
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case $pkgver in
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*.*.0);;
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*)
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msg "Applying patch-$pkgver.xz"
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unxz -c < "$srcdir"/patch-$pkgver.xz | patch -p1 -N ;;
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esac
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# first apply patches in specified order
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for i in $source; do
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case $i in
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*.patch)
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msg "Applying $i..."
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if ! patch -s -p1 -N -i "$srcdir"/$i; then
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echo $i >>failed
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_patch_failed=1
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fi
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;;
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esac
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done
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if ! [ -z "$_patch_failed" ]; then
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error "The following patches failed:"
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cat failed
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return 1
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fi
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# remove localversion from patch if any
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rm -f localversion*
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oldconfig
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}
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oldconfig() {
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local _builddir="$srcdir"/linux-$_kernver
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echo "-$pkgrel-$_flavor" > "$_builddir"/localversion-alpine \
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|| return 1
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cp "$srcdir"/config "$_builddir"/.config
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make -C "$srcdir"/linux-$_kernver \
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O="$_builddir" \
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ARCH="$_carch" \
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listnewconfig oldconfig
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}
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build() {
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unset LDFLAGS
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export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
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cd "$srcdir"/linux-$_kernver
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make ARCH="$_carch" CC="${CC:-gcc}" \
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KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-Alpine"
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}
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_package() {
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local _buildflavor="$1" _outdir="$2"
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local _abi_release=${pkgver}-${pkgrel}-${_buildflavor}
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export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
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cd "$srcdir"/linux-$_kernver
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# modules_install seems to regenerate a defect Modules.symvers on s390x. Work
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# around it by backing it up and restore it after modules_install
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cp Module.symvers Module.symvers.backup
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mkdir -p "$_outdir"/boot "$_outdir"/lib/modules
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local _install
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case "$CARCH" in
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arm*|aarch64) _install="zinstall dtbs_install";;
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*) _install=install;;
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esac
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make -j1 modules_install $_install \
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ARCH="$_carch" \
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INSTALL_MOD_PATH="$_outdir" \
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INSTALL_PATH="$_outdir"/boot \
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INSTALL_DTBS_PATH="$_outdir/boot/dtbs-$_buildflavor"
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cp Module.symvers.backup Module.symvers
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rm -f "$_outdir"/lib/modules/${_abi_release}/build \
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"$_outdir"/lib/modules/${_abi_release}/source
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rm -rf "$_outdir"/lib/firmware
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install -D -m644 include/config/kernel.release \
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"$_outdir"/usr/share/kernel/$_buildflavor/kernel.release
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}
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# main flavor installs in $pkgdir
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package() {
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_package $_flavor "$pkgdir"
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local _builddir="$srcdir"/linux-$_kernver
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cd $_builddir
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cp $srcdir/kernel.its.$_flavor .
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mkimage -D "-I dts -O dtb -p 2048" -f kernel.its.$_flavor vmlinux.uimg
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dd if=/dev/zero of=bootloader.bin bs=512 count=1
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echo "console=tty0 earlyprintk=tty0 init=/sbin/init root=PARTUUID=%U/PARTNROFF=1 rootwait rw mitigations=off loglevel=7" > cmdline
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vbutil_kernel \
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--pack $pkgdir/boot/vmlinux.kpart-$pkgver-$pkgrel-$_flavor \
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--version 1 \
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--vmlinuz vmlinux.uimg \
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--arch aarch64 \
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--keyblock /usr/share/vboot/devkeys/kernel.keyblock \
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--signprivate kernel_data_key.vbprivk \
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--signprivate /usr/share/vboot/devkeys/kernel_data_key.vbprivk \
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--config cmdline \
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--bootloader bootloader.bin
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rm cmdline bootloader.bin
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rm $pkgdir/boot/vmlinuz-$_flavor
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cd $pkgdir/boot
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ln -s vmlinux.kpart-$pkgver-$pkgrel-$_flavor vmlinux.kpart
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}
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_dev() {
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local _flavor=$(echo $subpkgname | sed -E 's/(^linux-|-dev$)//g')
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local _abi_release=${pkgver}-${pkgrel}-$_flavor
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# copy the only the parts that we really need for build 3rd party
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# kernel modules and install those as /usr/src/linux-headers,
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# simlar to what ubuntu does
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#
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# this way you dont need to install the 300-400 kernel sources to
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# build a tiny kernel module
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#
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pkgdesc="Headers and script for third party modules for $_flavor kernel"
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depends="$_depends_dev"
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local dir="$subpkgdir"/usr/src/linux-headers-${_abi_release}
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export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
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# first we import config, run prepare to set up for building
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# external modules, and create the scripts
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mkdir -p "$dir"
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cp "$srcdir"/config-$_flavor.${CARCH} "$dir"/.config
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echo "-$pkgrel-$_flavor" > "$dir"/localversion-alpine
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make -j1 -C "$srcdir"/linux-$_kernver O="$dir" ARCH="$_carch" \
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syncconfig prepare modules_prepare scripts
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# remove the stuff that points to real sources. we want 3rd party
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# modules to believe this is the soruces
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rm "$dir"/Makefile "$dir"/source
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# copy the needed stuff from real sources
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#
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# this is taken from ubuntu kernel build script
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# http://kernel.ubuntu.com/git/ubuntu/ubuntu-zesty.git/tree/debian/rules.d/3-binary-indep.mk
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cd "$srcdir"/linux-$_kernver
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find . -path './include/*' -prune \
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-o -path './scripts/*' -prune -o -type f \
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\( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \
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-name '*.sh' -o -name '*.pl' -o -name '*.lds' -o -name 'Platform' \) \
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-print | cpio -pdm "$dir"
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cp -a scripts include "$dir"
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find $(find arch -name include -type d -print) -type f \
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| cpio -pdm "$dir"
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install -Dm644 "$srcdir"/build-$_flavor.$CARCH/Module.symvers \
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"$dir"/Module.symvers
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mkdir -p "$subpkgdir"/lib/modules/${_abi_release}
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ln -sf /usr/src/linux-headers-${_abi_release} \
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"$subpkgdir"/lib/modules/${_abi_release}/build
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}
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sha512sums="
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5c4eb4aa1d3f7d1ea01c0f7ddeadacdece6e144fd4bdfc16b2b925d3e10dc04de3a6db69320b79a96c3560052616f001d2c09e7a1bb4f7b731e2380a7ecce068 linux-6.8.tar.xz
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a8e32b89f7680670c69c62f356846bb65b57614f979114627a9a2f945d7dc97c921d30197dffa993e5b18e499ba8c7196046ffdf0e721528a5378d1ee65a9ba5 patch-6.8.2.xz
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4fdd734d57e6c434765bf86e80ca4163a2491079b29ae53a00f2c28ac89d0aec4c1188bd59f12607e94a2fa2eaae7ae9cc87e1513a0f246384d038e649d8f2ab config
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112af92af4a3f61867ffc20076d057845aa8c9139e58153d0c88f4d7185d9a9628fa79d4edfa8855f095fb70d257bfbd7c4573a7431d4b17706415b411a50775 kernel.its.elm
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00e7afdab1dc89a6e0426829685d85cebb98fb95cb13a253d01326fd22f78ddf792bbe3b5be4c9bc93784f1fa93f87f604a4b6c6710660319db6f2e35dd09835 fix-mmc-order.patch
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fcea50a1ba2356d64a9c3ee0b7b7c326654996956d68eb445fafdb4320b4104b6321f768f0ce4ceb5cd4696be3a7332908ba1de7054fb20bf8c97f4234bfa6a4 mps-ter12x24-font-kernel.patch
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"
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