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diff --git a/PKGBUILD b/PKGBUILD
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+# Maintainer: Faruk Dikcizgi <boogiepop@gmx.de>
+# Contributor: Jan Keith Darunday <aur@jkcdarunday.mozmail.com>
+# Contributor: Jack Chen <redchenjs@live.com>
+
+_kernel=linux-radxa-rkbsp5
+pkgver=5.10.110
+pkgbase=$_kernel-bin
+pkgname=($pkgbase $pkgbase-headers)
+pkgrel=1
+arch=('aarch64')
+url="https://github.com/radxa/kernel"
+_repourl="https://github.com/radxa/apt/raw/gh-pages/bullseye-stable/"
+license=('GPL2')
+options=('!strip')
+makedepends=('binutils' 'tar' 'grep' 'mkinitcpio' 'sed')
+pkgdesc="Precompiled Kernel Images based on 5.10.x BSP kernel published by RADXA
+Minimum supported boards:
+RK3399 based rock4[a/b/c/se/io/se] boards
+RK3588 based rock5[a/b/nx] modules boards
+It is possible to make other RK3588 and RK3399 board with few DTS adapdations"
+
+source=(
+ "linux.preset"
+ "extract-vmlinux"
+ "extlinux.arch.template"
+ )
+sha512sums=('f01e7925b262d2874a8a991b1f27d057356a2a384d2012b61be5a631d4e4d7cf87461c8fb9e7f183831f5a829ad204897f1f0545a52df6288a0e04a5c2e31b96'
+ 'ba6edcd5f56a4c3e865578eabf1e1311b8e5e7babffdb0f84b99971238505ca27eba506f2723638129ef6558eba95f7e4fd2e07b40e5a4de716e5de90d1cbe79'
+ 'b09481badcc35acc5455b97545e87c706c5cb326e1b80237b2435d821c3c45002b44538095f3c5f3cfc720acf55bc27d97b0290e5cffa5acbdbaf0c2314f2d1b')
+
+noextract=("${source[@]##*/}")
+
+prepare() {
+ cd "$srcdir"
+ rm -rf $(find -mindepth 1 -maxdepth 1 -type d)
+
+ mkdir -p debs
+ cd debs
+
+ # get the latest image version from debian repo
+ local _latest=$(curl -Lk ${_repourl}db/packages.db | grep -oa "pool/main/l/linux-5.10-rock-5-latest.*" | sort -r | head -1)
+ curl -L "${_repourl}${_latest}" -o latest.deb
+ ar x "latest.deb"
+ tar -m -xf control.tar.gz
+ _imagever=$(cat control | grep -o linux-image-[A-Za-z0-9\.\-]*)
+ _version=${_imagever#linux-image-}
+ echo $_version > ../version
+ rm -rf *
+}
+
+pkgver(){
+ local _version="$(<version)"
+ _version="${_version//-/.}"
+ printf "${_version//rockchip./}"
+}
+
+_package-bin() {
+ pkgdesc="The Linux 5.x Kernel and Modules for Rockchip published by Radxa"
+ depends=('coreutils' 'linux-firmware' 'kmod' 'mkinitcpio>=0.7' 'grep' 'gzip')
+ optdepends=('crda: to set the correct wireless channels of your country')
+ backup=("etc/mkinitcpio.d/$_kernel.preset")
+ provides=("linux=${pkgver}" "linux-rkbsp")
+ conflicts=('linux' )
+
+ cd "$srcdir/debs"
+ local _version="$(<../version)"
+ # download & extract image deb
+ local _imagedeb=$(curl -Lk ${_repourl}db/packages.db | grep -oa "pool.*linux-image-$_version.*\.deb" | sort -r | head -1)
+ curl -L "${_repourl}${_imagedeb}" -o image.deb
+ ar x "image.deb"
+ mkdir -p ../image
+ tar -m -xf data.tar.xz -C ../image
+ rm -rf *
+
+ cd "$srcdir/image"
+
+ install -dm755 "$pkgdir/boot"
+ install -dm755 "$pkgdir/usr"
+
+ # copy dtbs
+ mkdir -p "$pkgdir/boot/dtbs/$_kernel"
+ cp -raf "usr/lib/linux-image-${_version}/." "$pkgdir/boot/dtbs/$_kernel"
+
+ # install extlinux template
+ install -Dm755 ../extlinux.arch.template "$pkgdir/boot/extlinux/extlinux.arch.template"
+
+ # copy modules
+ cp -r lib "$pkgdir/usr/lib"
+
+ # copy kernel, bootlaoder can not load compressed kernels
+ ../extract-vmlinux "boot/vmlinuz-${_version}" > "$pkgdir/usr/lib/modules/$_version/vmlinuz"
+
+ # sed expression for following substitutions
+ local _subst="
+ s|%PKGBASE%|$_kernel|g
+ s|%KERNVER%|$_version|g
+ "
+
+ # install mkinitcpio preset file
+ sed "$_subst" ../linux.preset |
+ install -Dm644 /dev/stdin "$pkgdir/etc/mkinitcpio.d/$_kernel.preset"
+
+ # used by mkinitcpio to name the kernel
+ echo "$_kernel" | install -Dm644 /dev/stdin "$pkgdir/usr/lib/modules/$_version/pkgbase"
+}
+
+_package-bin-headers() {
+ pkgdesc="The Linux 5.x Kernelmakepkg Headers for Rockchip published by Radxa"
+ provides=("linux-headers=${pkgver}" "linux-rkbsp-headers")
+ conflicts=('linux-headers')
+
+ cd "$srcdir/debs"
+ local _version="$(<../version)"
+
+ # download & extract header deb
+ local _headersdeb=$(curl -Lk ${_repourl}db/packages.db | grep -oa "pool.*linux-headers-$_version.*\.deb" | sort -r | head -1)
+ curl -L "${_repourl}${_headersdeb}" -o headers.deb
+ ar x "headers.deb"
+ mkdir -p ../headers
+ tar -m -xf data.tar.xz -C ../headers
+ rm -rf *
+
+ cd "$srcdir/headers"
+
+ install -dm755 "$pkgdir/usr/lib/modules/$_version"
+ # copy headers
+ cp -r "usr/src/linux-headers-$_version" "$pkgdir/usr/lib/modules/$_version/build"
+
+ # add real version for building modules and running depmod from hook
+ echo "$_version" |
+ install -Dm644 /dev/stdin "$pkgdir/usr/lib/modules/$_version/build/version"
+}
+
+for _p in "${pkgname[@]}"; do
+ eval "package_$_p() {
+ $(declare -f "_package${_p#$_kernel}")
+ _package${_p#$_kernel}
+ }"
+done