app-emulation/grub-xen-host: initial version
authorDoug Goldstein <cardoe@gentoo.org>
Sun, 3 Jan 2016 20:16:07 +0000 (14:16 -0600)
committerDoug Goldstein <cardoe@gentoo.org>
Sat, 6 Feb 2016 21:42:44 +0000 (15:42 -0600)
Initial version to provide a dom0 host PV grub based on grub 2.

Package-Manager: portage-2.2.26
Signed-off-by: Doug Goldstein <cardoe@gentoo.org>
app-emulation/grub-xen-host/grub-xen-host-1.0.ebuild [new file with mode: 0644]
app-emulation/grub-xen-host/metadata.xml [new file with mode: 0644]

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 (file)
index 0000000..292c338
--- /dev/null
@@ -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
+}
diff --git a/app-emulation/grub-xen-host/metadata.xml b/app-emulation/grub-xen-host/metadata.xml
new file mode 100644 (file)
index 0000000..d1cd780
--- /dev/null
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+       <maintainer>
+               <email>xen@gentoo.org</email>
+       </maintainer>
+       <maintainer>
+               <email>cardoe@gentoo.org</email>
+       </maintainer>
+       <longdescription lang="en">
+               A grub 2 built to run in dom0 which is a PV grub that can chain load
+               a guest installed PV grub (grub legacy or grub 2) or handle a guest
+               supplied grub 2 config file.
+       </longdescription>
+</pkgmetadata>