1 files changed, 74 insertions, 0 deletions
diff --git a/app-emulation/grub-xen-host/grub-xen-host-1.0.ebuild b/app-emulation/grub-xen-host/grub-xen-host-1.0.ebuild
new file mode 100644
index 000000000000..292c3380101d
--- /dev/null
+++ b/app-emulation/grub-xen-host/grub-xen-host-1.0.ebuild
@@ -0,0 +1,74 @@
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+DESCRIPTION="Grub2 built as a PV grub per the Xen PV Boot Protocol"
+HOMEPAGE="https://blog.xenproject.org/2015/01/07/using-grub-2-as-a-bootloader-for-xen-pv-guests/"
+SRC_URI=""
+
+LICENSE="BSD-2"
+SLOT="0"
+KEYWORDS="amd64"
+IUSE=""
+
+DEPEND="sys-boot/grub:2=[grub_platforms_xen]
+	app-emulation/xen-tools:="
+RDEPEND="${DEPEND}"
+
+S="${WORKDIR}"
+
+STRIP_MASK="usr/libexec/xen/bin/grub-x86_64-xen.bin"
+QA_EXECSTACK="usr/libexec/xen/bin/grub-x86_64-xen.bin"
+QA_WX_LOAD="usr/libexec/xen/bin/grub-x86_64-xen.bin"
+QA_PRESTRIPPED="usr/libexec/xen/bin/grub-x86_64-xen.bin"
+RESTRICT="test"
+
+src_configure() {
+	:
+}
+
+src_compile() {
+	cat > "${S}/grub-bootstrap.cfg" <<- EOF
+		normal (memdisk)/grub.cfg
+	EOF
+
+	cat > "${S}/grub.cfg" <<- EOF
+		if search -s -f /boot/xen/pvboot-x86_64.elf ; then
+			echo "Chainloading (${root})/boot/xen/pvboot-x86_64.elf"
+			multiboot "/boot/xen/pvboot-x86_64.elf"
+			boot
+		fi
+
+		if search -s -f /xen/pvboot-x86_64.elf ; then
+			echo "Chainloading (${root})/xen/pvboot-x86_64.elf"
+			multiboot "/xen/pvboot-x86_64.elf"
+			boot
+		fi
+
+		if search -s -f /boot/grub/grub.cfg ; then
+			echo "Reading (${root})/boot/grub/grub.cfg"
+			configfile /boot/grub/grub.cfg
+		fi
+
+		if search -s -f /grub/grub.cfg ; then
+			echo "Reading (${root})/grub/grub.cfg"
+			configfile /grub/grub.cfg
+		fi
+	EOF
+
+	tar cf memdisk.tar grub.cfg || die "failed to tar"
+
+	grub2-mkimage -O x86_64-xen \
+		-c grub-bootstrap.cfg \
+		-m memdisk.tar \
+		-o grub-x86_64-xen.bin \
+		/usr/lib/grub/x86_64-xen/*.mod \
+		|| die "failed to grub-mkimage"
+}
+
+src_install() {
+	exeinto /usr/libexec/xen/bin
+	doexe grub-x86_64-xen.bin
+}