app-emulation/xen: add 4.15.4

Closes: https://github.com/gentoo/gentoo/pull/28500
Signed-off-by: Florian Schmaus <flow@gentoo.org>

2 files changed, 188 insertions, 0 deletions

diff --git a/app-emulation/xen/Manifest b/app-emulation/xen/Manifest
index 60b67daa68c7..2f3b0a87ec59 100644
--- a/app-emulation/xen/Manifest
+++ b/app-emulation/xen/Manifest
@@ -1,4 +1,5 @@
 DIST xen-4.15.3.tar.gz 40793144 BLAKE2B 33932d855a0502cfe2768a7c8ae19d7da285d70b4970d96fd703daf0ee24a77ad47a3d1b4bcf5f465aa81aa7eb7f9295bce96302b2149ca208fa662cd966d6af SHA512 c25903cc263891885ec76500488405226c8e025bb461d2bf0d590b9bd2d7ca5c2693de7ecc38b3655bfd6793cc96314826559f14a09cc139de8cfdbeb914cbd3
+DIST xen-4.15.4.tar.gz 40820669 BLAKE2B 22edaf817851856c777d02b5211be932c1731bf50fb582545f948c7e8f871937f7c94636496a480642fa7ed8222e12dda091a06638c75b9ee935f3ff9bc2aea0 SHA512 fa6a4991c0699025af163ed117f8d0523c0a482102464615025eb3575d755ffacec5df394e3fe01871cde6028678f654d99f8e3c2533b138765971a2a7994cb8
 DIST xen-4.16.2.tar.gz 44995249 BLAKE2B a221d1e4578ab6eb3250754b3b0f36fb30133c1c83246532ebb9648c3d025b3f5132227371b5d3dd82099594f4ee738227480528ee944b8de6231d9c89892d15 SHA512 b6cd036c1073798dffa167ca14c954fbdfb4c0ef99662f7c435e7e5de687d1bde8856ff6bd030d0d2e661bd17ab631551f01b2cc728cad7e70b59aaa6e692783
 DIST xen-gentoo-patches-4.16.1-gentoo-patchset-2.tar.bz2 5403 BLAKE2B 7fa3b4aa123b2deed260d02b8d34a35dd205207038edb92569278b25c6fe32e0f0e3857c07755553e047f0eb0d9fe7f8b0816e0f3d7f68aee7929afaf6611dfd SHA512 9e7d25640b24235acf756b031b8b7cee582dded65fe7b94a706c990232e9704d574036c3a9605f285e8e9534578d100a3f38719b27b22775f17ef8f68287997e
 DIST xen-upstream-patches-4.15.4-pre-patchset-1.tar.bz2 68066 BLAKE2B ee6aac9aa8988423fd1594fa09c54678ee8d089abfff27913fdbe4f60c1f2a038e06cca5d03924595036bd9ca9be8a7f61ed5d7662e6534b05a45da24c88babd SHA512 65c7c900ca91f7444cdc03fa0902e8d58d68cd755cfa2d16cf1df76b657328e374fec0da3ceb734aefa10cfa874a46de5f731c3827ab4f815b4eabc305ed497f
diff --git a/app-emulation/xen/xen-4.15.4.ebuild b/app-emulation/xen/xen-4.15.4.ebuild
new file mode 100644
index 000000000000..c678ebb410a9
--- /dev/null
+++ b/app-emulation/xen/xen-4.15.4.ebuild
@@ -0,0 +1,187 @@
+# 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 [[ ${PV} == *9999 ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="git://xenbits.xen.org/xen.git"
+	SRC_URI=""
+else
+	KEYWORDS="~amd64 ~arm -x86"
+
+	XEN_PRE_PATCHSET_NUM=
+	XEN_GENTOO_PATCHSET_BASE=
+	XEN_GENTOO_PATCHSET_NUM=
+	XEN_PRE_VERSION_BASE=
+
+	XEN_BASE_PV="${PV}"
+	if [[ -n "${XEN_PRE_VERSION_BASE}" ]]; then
+		XEN_BASE_PV="${XEN_PRE_VERSION_BASE}"
+	fi
+	if [[ -z "${XEN_GENTOO_PATCHSET_BASE}" ]]; then
+		XEN_GENTOO_PATCHSET_BASE="${XEN_BASE_PV}"
+	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://gitweb.gentoo.org/proj/xen-upstream-patches.git/snapshot/${XEN_UPSTREAM_PATCHES_NAME}.tar.bz2"
+		XEN_UPSTREAM_PATCHES_DIR="${WORKDIR}/${XEN_UPSTREAM_PATCHES_NAME}"
+	fi
+	if [[ -n "${XEN_GENTOO_PATCHSET_NUM}" ]]; then
+		XEN_GENTOO_PATCHES_TAG="$(ver_cut 1-3 ${XEN_BASE_PV})-gentoo-patchset-${XEN_GENTOO_PATCHSET_NUM}"
+		XEN_GENTOO_PATCHES_NAME="xen-gentoo-patches-${XEN_GENTOO_PATCHES_TAG}"
+		SRC_URI+=" https://gitweb.gentoo.org/proj/xen-gentoo-patches.git/snapshot/${XEN_GENTOO_PATCHES_NAME}.tar.bz2"
+		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"
+}