summaryrefslogtreecommitdiff
blob: 3b4df6aab6f5627f6a222cf117fa2ab5785c0fb6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

PYTHON_COMPAT=( python3_{8..10} )

inherit flag-o-matic mount-boot python-any-r1 toolchain-funcs

MY_PV=${PV/_/-}
MY_P=${PN}-${MY_PV}

if [[ ${PV} == *9999 ]]; then
	inherit git-r3
	EGIT_REPO_URI="git://xenbits.xen.org/xen.git"
	SRC_URI=""
else
	KEYWORDS="~amd64 ~arm -x86"
	UPSTREAM_VER=0
	SECURITY_VER=
	GENTOO_VER=

	[[ -n ${UPSTREAM_VER} ]] && \
		UPSTREAM_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${P}-upstream-patches-${UPSTREAM_VER}.tar.xz
		https://github.com/hydrapolic/gentoo-dist/raw/master/xen/${P}-upstream-patches-${UPSTREAM_VER}.tar.xz"
	[[ -n ${SECURITY_VER} ]] && \
		SECURITY_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${PN}-security-patches-${SECURITY_VER}.tar.xz"
	[[ -n ${GENTOO_VER} ]] && \
		GENTOO_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${PN}-gentoo-patches-${GENTOO_VER}.tar.xz"
	SRC_URI="https://downloads.xenproject.org/release/xen/${MY_PV}/${MY_P}.tar.gz
		${UPSTREAM_PATCHSET_URI}
		${SECURITY_PATCHSET_URI}
		${GENTOO_PATCHSET_URI}"
fi

DESCRIPTION="The Xen virtual machine monitor"
HOMEPAGE="https://www.xenproject.org"
LICENSE="GPL-2"
SLOT="0"
IUSE="debug efi flask"

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}"

REQUIRED_USE="arm? ( debug )"

S="${WORKDIR}/${MY_P}"

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() {
	# Upstream's patchset
	[[ -n ${UPSTREAM_VER} ]] && eapply "${WORKDIR}"/patches-upstream

	# Security patchset
	if [[ -n ${SECURITY_VER} ]]; then
	einfo "Try to apply Xen Security patch set"
		# apply main xen patches
		# Two parallel systems, both work side by side
		# Over time they may concdense into one. This will suffice for now
		source "${WORKDIR}"/patches-security/${PV}.conf

		local i
		for i in ${XEN_SECURITY_MAIN}; do
			eapply "${WORKDIR}"/patches-security/xen/$i
		done
	fi

	# Gentoo's patchset
	[[ -n ${GENTOO_VER} ]] && eapply "${WORKDIR}"/patches-gentoo

	# Symlinks do not work on fat32 volumes
	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
}

src_configure() {
	use arm && myopt="${myopt} CONFIG_EARLY_PRINTK=sun7i"
	use debug && myopt="${myopt} debug=y"

	# remove flags
	unset CFLAGS
	unset LDFLAGS
	unset ASFLAGS

	tc-ld-disable-gold # Bug 700374
}

src_compile() {
	# Send raw LDFLAGS so that --as-needed works
	emake V=1 CC="$(tc-getCC)" LDFLAGS="$(raw-ldflags)" LD="$(tc-getLD)" -C xen ${myopt}
}

src_install() {
	local myopt
	use debug && myopt="${myopt} debug=y"

	# The 'make install' doesn't 'mkdir -p' the subdirs
	if use efi; then
		mkdir -p "${D}"${EFI_MOUNTPOINT}/efi/${EFI_VENDOR} || die
	fi

	emake LDFLAGS="$(raw-ldflags)" LD="$(tc-getLD)" DESTDIR="${D}" -C xen ${myopt} 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"
}