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# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
PYTHON_COMPAT=( python3_{8..10} )
inherit flag-o-matic mount-boot python-any-r1 toolchain-funcs
if [[ ${PV} == *9999 ]]; then
inherit git-r3
EGIT_REPO_URI="git://xenbits.xen.org/xen.git"
SRC_URI=""
else
KEYWORDS="amd64 ~arm -x86"
XEN_PRE_PATCHSET_NUM=
XEN_GENTOO_PATCHSET_NUM=
XEN_PRE_VERSION_BASE=
XEN_BASE_PV="${PV}"
if [[ -n "${XEN_PRE_VERSION_BASE}" ]]; then
XEN_BASE_PV="${XEN_PRE_VERSION_BASE}"
fi
SRC_URI="https://downloads.xenproject.org/release/xen/${XEN_BASE_PV}/xen-${XEN_BASE_PV}.tar.gz"
if [[ -n "${XEN_PRE_PATCHSET_NUM}" ]]; then
XEN_UPSTREAM_PATCHES_TAG="$(ver_cut 1-3)-pre-patchset-${XEN_PRE_PATCHSET_NUM}"
XEN_UPSTREAM_PATCHES_NAME="xen-upstream-patches-${XEN_UPSTREAM_PATCHES_TAG}"
SRC_URI+=" https://github.com/Flowdalic/xen-upstream-patches/archive/refs/tags/${XEN_UPSTREAM_PATCHES_TAG}.tar.gz -> ${XEN_UPSTREAM_PATCHES_NAME}.tar.gz"
XEN_UPSTREAM_PATCHES_DIR="${WORKDIR}/${XEN_UPSTREAM_PATCHES_NAME}"
fi
if [[ -n "${XEN_GENTOO_PATCHSET_NUM}" ]]; then
XEN_GENTOO_PATCHES_TAG="4.16.1-gentoo-patchset-${XEN_GENTOO_PATCHSET_NUM}"
XEN_GENTOO_PATCHES_NAME="xen-gentoo-patches-${XEN_GENTOO_PATCHES_TAG}"
SRC_URI+=" https://github.com/Flowdalic/xen-gentoo-patches/archive/refs/tags/${XEN_GENTOO_PATCHES_TAG}.tar.gz -> ${XEN_GENTOO_PATCHES_NAME}.tar.gz"
XEN_GENTOO_PATCHES_DIR="${WORKDIR}/${XEN_GENTOO_PATCHES_NAME}"
fi
fi
DESCRIPTION="The Xen virtual machine monitor"
HOMEPAGE="https://xenproject.org"
S="${WORKDIR}/xen-$(ver_cut 1-3 ${XEN_BASE_PV})"
LICENSE="GPL-2"
SLOT="0"
IUSE="debug efi flask"
REQUIRED_USE="arm? ( debug )"
DEPEND="${PYTHON_DEPS}
efi? ( >=sys-devel/binutils-2.22[multitarget] )
!efi? ( >=sys-devel/binutils-2.22 )
flask? ( sys-apps/checkpolicy )"
RDEPEND=""
PDEPEND="~app-emulation/xen-tools-${PV}"
# no tests are available for the hypervisor
# prevent the silliness of /usr/lib/debug/usr/lib/debug files
# prevent stripping of the debug info from the /usr/lib/debug/xen-syms
RESTRICT="test splitdebug strip"
# Approved by QA team in bug #144032
QA_WX_LOAD="boot/xen-syms-${PV}"
pkg_setup() {
python-any-r1_pkg_setup
if [[ -z ${XEN_TARGET_ARCH} ]]; then
if use amd64; then
export XEN_TARGET_ARCH="x86_64"
elif use arm; then
export XEN_TARGET_ARCH="arm32"
elif use arm64; then
export XEN_TARGET_ARCH="arm64"
else
die "Unsupported architecture!"
fi
fi
}
src_prepare() {
if [[ -v XEN_UPSTREAM_PATCHES_DIR ]]; then
eapply "${XEN_UPSTREAM_PATCHES_DIR}"
fi
if [[ -v XEN_GENTOO_PATCHES_DIR ]]; then
eapply "${XEN_GENTOO_PATCHES_DIR}"
fi
eapply "${FILESDIR}"/${PN}-4.15-efi.patch
# Enable XSM-FLASK
use flask && eapply "${FILESDIR}"/${PN}-4.15-flask.patch
# Workaround new gcc-11 options
sed -e '/^CFLAGS/s/-Werror//g' -i xen/Makefile || die
# Drop .config
sed -e '/-include $(XEN_ROOT)\/.config/d' -i Config.mk || die "Couldn't drop"
if use efi; then
export EFI_VENDOR="gentoo"
export EFI_MOUNTPOINT="/boot"
fi
default
}
xen_make() {
# Setting clang to either 'y' or 'n' tells Xen's build system
# whether or not clang is used.
local clang=n
if tc-is-clang; then
clang=y
fi
# Send raw LDFLAGS so that --as-needed works
emake \
V=1 \
LDFLAGS="$(raw-ldflags)" \
HOSTCC="$(tc-getBUILD_CC)" \
HOSTCXX="$(tc-getBUILD_CXX)" \
clang="${clang}" \
"$@"
}
src_configure() {
cd xen || die
touch gentoo-config || die
if use arm; then
echo "CONFIG_EARLY_PRINTK=sun7i" >> gentoo-config || die
fi
if use debug; then
cat <<-EOF >> gentoo-config || die
CONFIG_DEBUG=y
CONFIG_CRASH_DEBUG=y
EOF
fi
if use flask; then
echo "CONFIG_XSM=y" >> gentoo-config || die
fi
# remove flags
unset CFLAGS
tc-ld-disable-gold # Bug 700374
xen_make KCONFIG_ALLCONFIG=gentoo-config alldefconfig
}
src_compile() {
xen_make -C xen
}
src_install() {
# The 'make install' doesn't 'mkdir -p' the subdirs
if use efi; then
mkdir -p "${D}"${EFI_MOUNTPOINT}/efi/${EFI_VENDOR} || die
fi
xen_make DESTDIR="${D}" -C xen install
# make install likes to throw in some extra EFI bits if it built
use efi || rm -rf "${D}/usr/$(get_libdir)/efi"
}
pkg_postinst() {
elog "Official Xen Guide:"
elog " https://wiki.gentoo.org/wiki/Xen"
use efi && einfo "The efi executable is installed in /boot/efi/gentoo"
ewarn
ewarn "Xen 4.12+ changed the default scheduler to credit2 which can cause"
ewarn "domU lockups on multi-cpu systems. The legacy credit scheduler seems"
ewarn "to work fine."
ewarn
ewarn "Add sched=credit to xen command line options to use the legacy scheduler."
ewarn
ewarn "https://wiki.gentoo.org/wiki/Xen#Xen_domU_hanging_with_Xen_4.12.2B"
}
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