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# Maintainer: Cyano Hao <c@cyano.cn>
pkgname=qemu-guest-kernel
pkgver=5.10.64
pkgrel=1
pkgdesc="Linux kernels for QEMU/KVM guests (direct kernel boot)"
url="https://github.com/guest-kernel/qemu"
arch=(any)
license=(GPL2)
makedepends=(
bc kmod libelf pahole cpio perl tar xz
git
clang lld llvm
)
options=('!strip')
install=archpkg.install
_srcname=stable-linux
source=(
$_srcname::"git+https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git?signed#tag=v$pkgver"
{filesystem,systemd}.config
arch_x86.config
)
validpgpkeys=(
"ABAF11C65A2970B130ABE3C479BE3E4300411886" # Linus Torvalds
"647F28654894E3BD457199BE38DBBDC86092693E" # Greg Kroah-Hartman
"E27E5D8A3403A2EF66873BBCDEA66FF797772CDC" # Sasha Levin
"AC2B29BD34A6AFDDB3F68F35E7BFC8EC95861109" # Ben Hutchings
)
sha256sums=('SKIP'
'050c5d02668544d3b07fbd65a5cddb00fe203d07a95b7f924f9de191e55e151f'
'910b7965db9777794b923ba36c83b682593c55775a7cc0a91fe28c2b7a43ade1'
'145a82106497e007df1b17612f2215c2ae0edd8918762a636aad48e7c83cf20f')
prepare() {
cd "$srcdir/$_srcname"
cp "$srcdir/"{filesystem,systemd}.config kernel/configs/
for _arch in x86
do
cp "$srcdir/arch_$_arch.config" arch/$_arch/configs/arch_specific.config
done
}
export KBUILD_BUILD_HOST=guest-kernel
export KBUILD_BUILD_USER=qemu
_build() {
cd "$srcdir/$_srcname"
make mrproper
export LLVM=1
export CROSS_COMPILE=$_carch-linux-gnu-
make ${_def_prefix}defconfig
make kvm_guest.config
make filesystem.config
make systemd.config
make arch_specific.config
make
cp $(make -s image_name) "$srcdir/vmlinuz.$_carch"
}
_native_build() {
cd "$srcdir/$_srcname"
make mrproper
unset LLVM
unset CROSS_COMPILE
make defconfig
make kvm_guest.config
make filesystem.config
make systemd.config
make arch_specific.config
make
cp $(make -s image_name) "$srcdir/vmlinuz.$CARCH"
}
build() {
ARCH="x86" _carch="i686" _def_prefix="i386_" _build
if [[ $CARCH == "x86_64" ]]
then
# prefer native GNU toolchain for x32 ABI support
_native_build
else
# and remove the config if not available to avoid confusion
sed -i '/CONFIG_X86_X32/d' "$srcdir"/$_srcname/arch/x86/configs/qemu_extra.config
ARCH="x86" _carch="x86_64" _def_prefix="x86_64_" _build
fi
}
package() {
cd "$srcdir"
local _target="$pkgdir/usr/share/qemu/kernel"
install -Dm644 -t "$_target" "$srcdir"/vmlinuz.{i686,x86_64}
}
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