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# Maintainer: Milan P. Stanić <mps@arvanta.net>
_flavor=elm
pkgname=linux-${_flavor}
# NOTE: this kernel is intended for testing
# please resist urge to upgrade it blindly
pkgver=5.17.6
case $pkgver in
*.*.*) _kernver=${pkgver%.*};;
*.*) _kernver=$pkgver;;
esac
pkgrel=1
pkgdesc="Linux latest stable kernel for elm chromebooks"
url="https://www.kernel.org"
_depends_dev="perl gmp-dev bash flex bison"
makedepends="$_depends_dev sed installkernel bc linux-headers linux-firmware-any
openssl-dev>3 diffutils findutils vboot-utils u-boot-tools dtc"
options="!strip !check"
_config=${config:-config-elm.${CARCH}}
install=
#subpackages="$pkgname-dev:_dev:$CBUILD_ARCH"
source="https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/linux-$_kernver.tar.xz"
case $pkgver in
*.*.0) source="$source";;
*.*.*) source="$source
https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/patch-$pkgver.xz" ;;
esac
source="$source
config-elm.aarch64
kernel.its.elm
fix-mmc1-speed.patch
fix-spi-nor-max-frequency.patch
fix-mmc-order.patch
mps-ter12x24-font-kernel.patch
"
arch="aarch64"
license="GPL-2.0"
_flavors=
for _i in $source; do
case $_i in
config-*.$CARCH)
_f=${_i%.$CARCH}
_f=${_f#config-}
_flavors="$_flavors ${_f}"
if [ "linux-$_f" != "$pkgname" ]; then
subpackages="$subpackages linux-${_f}::$CBUILD_ARCH linux-${_f}-dev:_dev:$CBUILD_ARCH"
fi
;;
esac
done
_carch=${CARCH}
case "$_carch" in
aarch64*) _carch="arm64" ;;
arm*) _carch="arm" ;;
esac
prepare() {
local _patch_failed=
cd "$srcdir"/linux-$_kernver
case $pkgver in
*.*.0);;
*)
msg "Applying patch-$pkgver.xz"
unxz -c < "$srcdir"/patch-$pkgver.xz | patch -p1 -N ;;
esac
# first apply patches in specified order
for i in $source; do
case $i in
*.patch)
msg "Applying $i..."
if ! patch -s -p1 -N -i "$srcdir"/$i; then
echo $i >>failed
_patch_failed=1
fi
;;
esac
done
if ! [ -z "$_patch_failed" ]; then
error "The following patches failed:"
cat failed
return 1
fi
# remove localversion from patch if any
rm -f localversion*
oldconfig
}
oldconfig() {
for i in $_flavors; do
local _config=config-$i.${CARCH}
local _builddir="$srcdir"/build-$i.$CARCH
mkdir -p "$_builddir"
echo "-$pkgrel-$i" > "$_builddir"/localversion-alpine \
|| return 1
cp "$srcdir"/$_config "$_builddir"/.config
make -C "$srcdir"/linux-$_kernver \
O="$_builddir" \
ARCH="$_carch" \
listnewconfig oldconfig
done
}
build() {
unset LDFLAGS
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
for i in $_flavors; do
cd "$srcdir"/build-$i.$CARCH
make ARCH="$_carch" CC="${CC:-gcc}" \
KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-Alpine"
done
}
_package() {
local _buildflavor="$1" _outdir="$2"
local _abi_release=${pkgver}-${pkgrel}-${_buildflavor}
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
cd "$srcdir"/build-$_buildflavor.$CARCH
# modules_install seems to regenerate a defect Modules.symvers on s390x. Work
# around it by backing it up and restore it after modules_install
cp Module.symvers Module.symvers.backup
mkdir -p "$_outdir"/boot "$_outdir"/lib/modules
local _install
case "$CARCH" in
arm*|aarch64) _install="zinstall dtbs_install";;
*) _install=install;;
esac
make -j1 modules_install $_install \
ARCH="$_carch" \
INSTALL_MOD_PATH="$_outdir" \
INSTALL_PATH="$_outdir"/boot \
INSTALL_DTBS_PATH="$_outdir/boot/dtbs-$_buildflavor"
cp Module.symvers.backup Module.symvers
rm -f "$_outdir"/lib/modules/${_abi_release}/build \
"$_outdir"/lib/modules/${_abi_release}/source
rm -rf "$_outdir"/lib/firmware
install -D -m644 include/config/kernel.release \
"$_outdir"/usr/share/kernel/$_buildflavor/kernel.release
}
# main flavor installs in $pkgdir
package() {
_package elm "$pkgdir"
local _builddir="$srcdir"/build-$_flavor.$CARCH
cd $_builddir
cp $srcdir/kernel.its.elm .
mkimage -D "-I dts -O dtb -p 2048" -f kernel.its.elm vmlinux.uimg
dd if=/dev/zero of=bootloader.bin bs=512 count=1
echo "console=tty1 earlyprintk=tty1 init=/sbin/init root=PARTUUID=%U/PARTNROFF=1 rootwait rw noinitrd loglevel=7" > cmdline
vbutil_kernel \
--pack $pkgdir/boot/vmlinux.kpart-$pkgver-$pkgrel-$_flavor \
--version 1 \
--vmlinuz vmlinux.uimg \
--arch aarch64 \
--keyblock /usr/share/vboot/devkeys/kernel.keyblock \
--signprivate kernel_data_key.vbprivk \
--signprivate /usr/share/vboot/devkeys/kernel_data_key.vbprivk \
--config cmdline \
--bootloader bootloader.bin
rm cmdline bootloader.bin
rm $pkgdir/boot/vmlinuz-elm
cd $pkgdir/boot
ln -s vmlinux.kpart-$pkgver-$pkgrel-$_flavor vmlinux.kpart
}
_dev() {
local _flavor=$(echo $subpkgname | sed -E 's/(^linux-|-dev$)//g')
local _abi_release=${pkgver}-${pkgrel}-$_flavor
# copy the only the parts that we really need for build 3rd party
# kernel modules and install those as /usr/src/linux-headers,
# simlar to what ubuntu does
#
# this way you dont need to install the 300-400 kernel sources to
# build a tiny kernel module
#
pkgdesc="Headers and script for third party modules for $_flavor kernel"
depends="$_depends_dev"
local dir="$subpkgdir"/usr/src/linux-headers-${_abi_release}
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
# first we import config, run prepare to set up for building
# external modules, and create the scripts
mkdir -p "$dir"
cp "$srcdir"/config-$_flavor.${CARCH} "$dir"/.config
echo "-$pkgrel-$_flavor" > "$dir"/localversion-alpine
make -j1 -C "$srcdir"/linux-$_kernver O="$dir" ARCH="$_carch" \
syncconfig prepare modules_prepare scripts
# remove the stuff that points to real sources. we want 3rd party
# modules to believe this is the soruces
rm "$dir"/Makefile "$dir"/source
# copy the needed stuff from real sources
#
# this is taken from ubuntu kernel build script
# http://kernel.ubuntu.com/git/ubuntu/ubuntu-zesty.git/tree/debian/rules.d/3-binary-indep.mk
cd "$srcdir"/linux-$_kernver
find . -path './include/*' -prune \
-o -path './scripts/*' -prune -o -type f \
\( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \
-name '*.sh' -o -name '*.pl' -o -name '*.lds' -o -name 'Platform' \) \
-print | cpio -pdm "$dir"
cp -a scripts include "$dir"
find $(find arch -name include -type d -print) -type f \
| cpio -pdm "$dir"
install -Dm644 "$srcdir"/build-$_flavor.$CARCH/Module.symvers \
"$dir"/Module.symvers
mkdir -p "$subpkgdir"/lib/modules/${_abi_release}
ln -sf /usr/src/linux-headers-${_abi_release} \
"$subpkgdir"/lib/modules/${_abi_release}/build
}
sha512sums="
89f0a7ca69d20a539d4b612a7028a30a5e98b402e4b6b88516f14237e5da4b626d7929eab8b40fccc90766e8f3bae87e9858a19077ffad20d8204acf18794f5b linux-5.17.tar.xz
294199421db88a203e1ccfa0833d394e7ab444860875327979bd1dda1fcb1c211809728f2e39c1ce20b14754bc9e20183a885d0b74aae92dba58197d09b0590c patch-5.17.6.xz
bb41f3f12831661d8efc9c846225ddf7cb0c546de4197898413caf8f5fc06ee468b7e0e31e7a68c54b03f0b57df3513f910e741822313c35006c025a9316dff0 config-elm.aarch64
112af92af4a3f61867ffc20076d057845aa8c9139e58153d0c88f4d7185d9a9628fa79d4edfa8855f095fb70d257bfbd7c4573a7431d4b17706415b411a50775 kernel.its.elm
65c57a6d9a5bd5b6ec8798d1c46091bb72377ed1349b66e9a0a1a50ffa077f044f2bfdd30eab974c9c9774fc62d8dd5020a38432d108fce7f4fc1ed6648ea703 fix-mmc1-speed.patch
9e17fb96b81590da0f9b0917ddd2b9d195bab5cde2a4e7feb19991c50a8ac8e4502445715153ced8666e5b6575137c1d49899bb0ae9ab4505ed8f1ff7e569269 fix-spi-nor-max-frequency.patch
00e7afdab1dc89a6e0426829685d85cebb98fb95cb13a253d01326fd22f78ddf792bbe3b5be4c9bc93784f1fa93f87f604a4b6c6710660319db6f2e35dd09835 fix-mmc-order.patch
fcea50a1ba2356d64a9c3ee0b7b7c326654996956d68eb445fafdb4320b4104b6321f768f0ce4ceb5cd4696be3a7332908ba1de7054fb20bf8c97f4234bfa6a4 mps-ter12x24-font-kernel.patch
"
|
