151 lines
4.6 KiB
Text
151 lines
4.6 KiB
Text
# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
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_flavor=rm
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pkgname=linux-${_flavor}
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pkgver=5.4.70
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_rmver=1.3.3
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pkgrel=0
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pkgdesc="Linux kernel for remarkable tablet 1 and 2"
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url="https://www.kernel.org"
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depends="mkinitfs"
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_depends_dev="perl gmp-dev elfutils-dev bash flex bison"
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makedepends="$_depends_dev sed installkernel bc linux-headers linux-firmware-any openssl-dev
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diffutils"
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options="!strip"
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_config=${config:-config-lts.${CARCH}}
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install=
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source="
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https://github.com/reMarkable/linux/archive/refs/tags/RM1XX_${pkgver}_v$_rmver.tar.gz
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enable-sdhc1.patch"
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subpackages="$pkgname-dev:_dev:$CBUILD_ARCH"
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builddir="$srcdir"/linux-RM1XX_${pkgver}_v$_rmver
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_flavors=
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arch="armv7"
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license="GPL-2.0"
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_carch=${CARCH}
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case "$_carch" in
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aarch64*) _carch="arm64" ;;
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arm*) _carch="arm" ;;
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mips*) _carch="mips" ;;
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ppc*) _carch="powerpc" ;;
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s390*) _carch="s390" ;;
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esac
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prepare() {
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make zero-gravitas_defconfig
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}
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build() {
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unset LDFLAGS
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export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
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for i in $_flavors; do
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cd "$srcdir"/build-$i.$CARCH
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make ARCH="$_carch" CC="${CC:-gcc}" \
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KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-Alpine"
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done
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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"/build-$_buildflavor.$CARCH
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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="$_outdir/boot/dtbs-$_flavor"
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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 "$_outdir"/lib/firmware
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install -D include/config/kernel.release \
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"$_outdir"/usr/share/kernel/$_buildflavor/kernel.release
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}
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# main flavor installs in $pkgdir
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package() {
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depends="$depends linux-firmware-any"
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_package lts "$pkgdir"
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}
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# subflavors install in $subpkgdir
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virt() {
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_package virt "$subpkgdir"
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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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80ab274ca3d30935d9913490662f17499c1ceedb438fe171554097d25ffc1cf85ee53f0c1642e94c0b833fdfb17636cd554bf685e4a6f5dac20cf122c1a25447 RM1XX_5.4.70_v1.3.3.tar.gz
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6f2036a2f88b0d80ba5e37e3d119aebd2dc33453f5a5d84b319ec50c0c00d8cb93fc4b3f5e10f3d56c1496f3cb297551c405f36c5d864af112398f0792f1549a enable-sdhc1.patch
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"
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