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
|
#! /bin/sh -e
if [ -f /usr/share/grub/grub-mkconfig_lib ]; then
. /usr/share/grub/grub-mkconfig_lib
else
# no grub file, so we notify and exit gracefully
echo "Cannot find grub config file, exiting." >&2
exit 0
fi
XEN_HYPERVISOR_CMDLINE="xsave=1"
XEN_LINUX_CMDLINE="console=tty0"
[ -r /etc/xen/grub.conf ] && . /etc/xen/grub.conf
CLASS="--class gnu-linux --class gnu --class os"
if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
OS=GNU/Linux
else
if [ "${GRUB_DISTRIBUTOR}" = "Parabola" ] ; then
OS="${GRUB_DISTRIBUTOR} GNU/Linux-libre"
elif [ "${GRUB_DISTRIBUTOR}" = "parabola" ] ; then
OS="${GRUB_DISTRIBUTOR} GNU/Linux-libre"
elif [ "${GRUB_DISTRIBUTOR}" = "Blag" ] ; then
OS="${GRUB_DISTRIBUTOR} Linux and GNU"
elif [ "${GRUB_DISTRIBUTOR}" = "blag" ] ; then
OS="${GRUB_DISTRIBUTOR} Linux and GNU"
elif [ "${GRUB_DISTRIBUTOR}" = "Musix" ] ; then
OS="${GRUB_DISTRIBUTOR} GNU+Linux"
elif [ "${GRUB_DISTRIBUTOR}" = "musix" ] ; then
OS="${GRUB_DISTRIBUTOR} GNU+Linux"
elif [ "${GRUB_DISTRIBUTOR}" = "Dragora" ] ; then
OS="${GRUB_DISTRIBUTOR} GNU/Linux-libre"
elif [ "${GRUB_DISTRIBUTOR}" = "dragora" ] ; then
OS="${GRUB_DISTRIBUTOR} GNU/Linux-libre"
else
OS="${GRUB_DISTRIBUTOR} GNU/Linux"
fi
CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr '[A-Z]' '[a-z]' | cut -d' ' -f1) ${CLASS}"
fi
# loop-AES arranges things so that /dev/loop/X can be our root device, but
# the initrds that Linux uses don't like that.
case ${GRUB_DEVICE} in
/dev/loop/*|/dev/loop[0-9])
GRUB_DEVICE=`losetup ${GRUB_DEVICE} | sed -e "s/^[^(]*(\([^)]\+\)).*/\1/"`
;;
esac
if [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \
|| ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \
|| [ "`grub-probe -t abstraction --device ${GRUB_DEVICE} | sed -e 's,.*\(lvm\).*,\1,'`" = "lvm" ] ; then
LINUX_ROOT_DEVICE=${GRUB_DEVICE}
else
LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID}
fi
xen_entry ()
{
os="$1"
xen_version="$2"
version="$3"
xen_args="$4"
args="$5"
printf "menuentry 'Xen %s / %s, with Linux %s' --class xen ${CLASS} {\n" "${xen_version}" "${os}" "${version}"
save_default_entry | sed -e "s/^/\t/"
if [ -z "${prepare_boot_cache}" ]; then
prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | sed -e "s/^/\t/")"
fi
printf '%s\n' "${prepare_boot_cache}"
cat << EOF
echo '$(printf "Loading Xen %s ..." ${xen_version})'
multiboot ${rel_dirname}/${xen_basename} ${rel_dirname}/${xen_basename} ${xen_args}
echo $(printf "$(gettext "Loading Linux %s ...")" ${version})
module ${rel_dirname}/${basename} ${rel_dirname}/${basename} root=${linux_root_device_thisversion} rw ${args}
EOF
if test -n "${initrd}" ; then
cat << EOF
echo "Loading initial ramdisk ..."
module ${rel_dirname}/${initrd}
EOF
fi
cat << EOF
}
EOF
}
xen_list=`for i in /boot/xen-*.gz /xen-*.gz ; do
if grub_file_is_not_garbage "$i" ; then echo -n "$i "; fi
done`
prepare_boot_cache=
while [ "x$xen_list" != "x" ] ; do
xen=`version_find_latest $xen_list`
echo "Found Xen hypervisor image: $xen" >&2
xen_basename=`basename $xen`
xen_dirname=`dirname $xen`
rel_xen_dirname=`make_system_path_relative_to_its_root $xen_dirname`
xen_version=`echo $xen_basename | sed -e "s,^[^0-9]*-,,g" | sed -e "s,.gz,,g"`
alt_xen_version=`echo $xen_version | sed -e "s,\.old$,,g"`
list=`for i in /boot/vmlinuz-* /vmlinuz-*; do
if grub_file_is_not_garbage "$i" ; then echo -n "$i "; fi
done`
while [ "x$list" != "x" ] ; do
linux=`version_find_latest $list`
echo -e "\tFound linux image: $linux" >&2
basename=`basename $linux`
dirname=`dirname $linux`
rel_dirname=`make_system_path_relative_to_its_root $dirname`
version=`echo $basename | sed -e "s,^[^0-9]*-,,g"`
base_init=`echo $basename | sed -e "s,vmlinuz,initramfs,g"`
alt_version="${base_init}-fallback"
linux_root_device_thisversion="${LINUX_ROOT_DEVICE}"
initrd=
for i in "${base_init}.img"; do
if test -e "${dirname}/${i}" ; then
initrd="$i"
break
fi
done
if test -n "${initrd}" ; then
echo -e "\tFound initrd image: ${dirname}/${initrd}" >&2
else
# "UUID=" magic is parsed by initrds. Since there's no initrd, it can't work here.
linux_root_device_thisversion=${GRUB_DEVICE}
fi
xen_entry "${OS}" "${xen_version}" "${version}" \
"${XEN_HYPERVISOR_CMDLINE}" \
"${XEN_LINUX_CMDLINE}"
list=`echo $list | tr ' ' '\n' | grep -vx $linux | tr '\n' ' '`
done
xen_list=`echo $xen_list | tr ' ' '\n' | grep -vx $xen | tr '\n' ' '`
done
|
