--- /dev/null
+#!/sbin/runscript
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+# Set up some defaults.
+: "${LOAD_DURING_SHUTDOWN:=yes}"
+: "${BOOTPART:=/boot}"
+: "${DONT_MOUNT_BOOT:=no}"
+
+depend() {
+ need localmount
+}
+
+auto_prefix_bootpath() {
+ # Only auto-add prefix to relative paths.
+ case $1 in
+ */*) echo "$1";;
+ *) echo "${BOOTPART}/$1" ;;
+ esac
+}
+
+image_path() {
+ # Do no sanity checking if the user has set a value.
+ if [ -n "${KNAME}" ]; then
+ auto_prefix_bootpath "${KNAME}"
+ return
+ fi
+
+ local x kver="$(uname -r)" karch="$(uname -m)"
+ for x in \
+ "bzImage" \
+ "vmlinuz" \
+ "bzImage-${kver}" \
+ "vmlinuz-${kver}" \
+ "kernel-genkernel-${karch}-${kver}" \
+ "kernel-${kver}" \
+ "kernel-${karch}"; do
+ if [ -e "${BOOTPART}/${x}" ]; then
+ echo "${BOOTPART}/${x}"
+ return
+ fi
+ done
+
+ return 1
+}
+
+initrd_path() {
+ # Do no sanity checking if the user has set a value.
+ if [ -n "${INITRD}" ]; then
+ auto_prefix_bootpath "${INITRD}"
+ return 0
+ fi
+
+ local x kver="$(uname -r)" karch="$(uname -m)"
+ for x in \
+ "initrd" \
+ "initrd.img-${kver}" \
+ "initrd-${kver}.img" \
+ "initrd-${kver}" \
+ "initramfs-${kver}.img" \
+ "initramfs-genkernel-${karch}-${kver}"; do
+ if [ -e "${BOOTPART}/${x}" ]; then
+ echo "${BOOTPART}/${x}"
+ return 0
+ fi
+ done
+
+ return 1
+}
+
+mount_boot() {
+ [ "${DONT_MOUNT_BOOT}" != "no" ] && return 1
+ mountinfo -q "${BOOTPART}" && return 1
+
+ ebegin "Mounting ${BOOTPART}"
+ mount "${BOOTPART}"
+ eend $?
+}
+
+load_image() {
+ if [ "${KNAME}" = "-" ]; then
+ ebegin "Disabling kexec"
+ kexec -u
+ eend $?
+ return # eend preserved $? for us.
+ fi
+
+ local img initrd="$(initrd_path)" mounted=false kparamopt initrdopt
+
+ if ! img="$(image_path)"; then
+ if mount_boot; then
+ if img="$(image_path)"; then
+ mounted=true
+ initrd="$(initrd_path)"
+ else
+ eerror "No kernel image found in ${BOOTPART}!"
+ umount "${BOOTPART}"
+ return 1
+ fi
+ else
+ eerror "No kernel image found in ${BOOTPART}!"
+ return 1
+ fi
+ fi
+
+ if [ -z "${ROOTPART}" ]; then
+ ROOTPART="$(readlink -f "$(sed -n '/^\/[^ ]* \/ / s,^\([^ ]*\).*,\1,p' /proc/mounts)")"
+ fi
+
+ if [ -z "${KPARAM}" ]; then
+ kparamopt="--reuse-cmdline"
+ fi
+
+ if [ -n "${initrd}" ]; then
+ initrdopt="--initrd=${initrd}"
+ fi
+
+ local msg
+ [ -n "${initrd}" ] && \
+ msg=" (with ${initrd})"
+ ebegin "Using kernel image ${img}${msg} for kexec"
+
+ kexec ${KEXEC_OPT_ARGS} ${kparamopt} \
+ -l "${img}" --append="root=${ROOTPART} ${KPARAM}" ${initrdopt}
+ local ret=$?
+
+ ${mounted} && umount "${BOOTPART}"
+ eend ${ret}
+ return ${ret}
+}
+
+start() {
+ if [ "${LOAD_DURING_SHUTDOWN}" = "yes" ]; then
+ local mounted
+ if mount_boot; then
+ mounted=true
+ fi
+ if ! image_path >/dev/null; then
+ ewarn "Cannot find kernel image!"
+ ewarn "Please make sure a valid kernel image is present before reboot."
+ return 0
+ fi
+ if [ -n "${mounted}" ]; then
+ ebegin "Unmounting ${BOOTPART}"
+ umount "${BOOTPART}"
+ eend $?
+ fi
+ # $? is already set to the previous calls.
+ return
+ else
+ load_image
+ fi
+}
+
+stop() {
+ if ! yesno ${RC_REBOOT}; then
+ ebegin "Not rebooting; disabling kexec"
+ kexec -u
+ eend $?
+ return
+ fi
+
+ if [ -f /nokexec ]; then
+ ebegin "Rebooting; disabling kexec due to /nokexec"
+ rm -f /nokexec
+ kexec -u
+ eend $?
+ return
+ fi
+
+ if [ "${LOAD_DURING_SHUTDOWN}" = "yes" ]; then
+ load_image
+ fi
+}
--- /dev/null
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI="5"
+
+if [[ ${PV} == "9999" ]] ; then
+ inherit git-r3
+ EGIT_REPO_URI="git://git.kernel.org/pub/scm/utils/kernel/kexec/kexec-tools.git"
+ AUTOTOOLS_AUTORECONF=true
+else
+ SRC_URI="mirror://kernel/linux/utils/kernel/kexec/${P}.tar.xz"
+ KEYWORDS="~amd64 ~x86"
+fi
+
+inherit autotools-utils linux-info systemd
+
+DESCRIPTION="Load another kernel from the currently executing Linux kernel"
+HOMEPAGE="https://kernel.org/pub/linux/utils/kernel/kexec/"
+
+LICENSE="GPL-2"
+SLOT="0"
+IUSE="booke lzma xen zlib"
+
+REQUIRED_USE="lzma? ( zlib )"
+
+DEPEND="
+ lzma? ( app-arch/xz-utils )
+ zlib? ( sys-libs/zlib )"
+RDEPEND="${DEPEND}"
+
+CONFIG_CHECK="~KEXEC"
+
+PATCHES=(
+ "${FILESDIR}"/${PN}-2.0.4-disable-kexec-test.patch
+ "${FILESDIR}"/${PN}-2.0.4-out-of-source.patch
+)
+
+pkg_setup() {
+ # GNU Make's $(COMPILE.S) passes ASFLAGS to $(CCAS), CCAS=$(CC)
+ export ASFLAGS="${CCASFLAGS}"
+}
+
+src_configure() {
+ local myeconfargs=(
+ $(use_with booke)
+ $(use_with lzma)
+ $(use_with xen)
+ $(use_with zlib)
+ )
+ autotools-utils_src_configure
+}
+
+src_install() {
+ autotools-utils_src_install
+
+ dodoc "${FILESDIR}"/README.Gentoo
+
+ newinitd "${FILESDIR}"/kexec.init-2.0.12 kexec
+ newconfd "${FILESDIR}"/kexec.conf-2.0.4 kexec
+
+ insinto /etc
+ doins "${FILESDIR}"/kexec.conf
+
+ insinto /etc/kernel/postinst.d
+ doins "${FILESDIR}"/90_kexec
+
+ systemd_dounit "${FILESDIR}"/kexec.service
+}
+
+pkg_postinst() {
+ if systemd_is_booted || has_version sys-apps/systemd; then
+ elog "For systemd support the new config file is"
+ elog " /etc/kexec.conf"
+ elog "Please adopt it to your needs as there is no autoconfig anymore"
+ fi
+}
projects / gentoo.git / commitdiff