Magellan Linux

Contents of /smage/branches/alx-0_6_0/core/grub/alx/files/10_alx

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Revision 2732 - (show annotations) (download)
Thu Aug 11 14:46:07 2011 UTC (13 years, 1 month ago) by niro
File size: 5388 byte(s)
-let grub search for special boot params for zotac devices and co
1 #! /bin/sh
2 set -e
3
4 # grub-mkconfig helper script.
5 # Copyright (C) 2006,2007,2008,2009,2010 Free Software Foundation, Inc.
6 #
7 # GRUB is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
11 #
12 # GRUB is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
16 #
17 # You should have received a copy of the GNU General Public License
18 # along with GRUB. If not, see <http://www.gnu.org/licenses/>.
19
20 prefix=/usr
21 exec_prefix=${prefix}
22 bindir=/bin
23 libdir=/lib
24 . ${libdir}/grub/grub-mkconfig_lib
25
26 export TEXTDOMAIN=grub
27 export TEXTDOMAINDIR=${prefix}/share/locale
28
29 CLASS="--class gnu-linux --class gnu --class os"
30
31 if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
32 OS=ALX
33 else
34 OS="${GRUB_DISTRIBUTOR}"
35 CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr 'A-Z' 'a-z' | cut -d' ' -f1) ${CLASS}"
36 fi
37
38 if [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \
39 || ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \
40 || uses_abstraction "${GRUB_DEVICE}" lvm; then
41 LINUX_ROOT_DEVICE=${GRUB_DEVICE}
42 else
43 LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID}
44 fi
45
46 if [ "x`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2>/dev/null || true`" = xbtrfs ]; then
47 rootsubvol="`make_system_path_relative_to_its_root /`"
48 rootsubvol="${rootsubvol#/}"
49 if [ "x${rootsubvol}" != x ]; then
50 GRUB_CMDLINE_LINUX="rootflags=subvol=${rootsubvol} ${GRUB_CMDLINE_LINUX}"
51 fi
52 fi
53
54 # check for special hardware
55 if [ -x "`which hwinfo`" ]
56 then
57 # zotac
58 if [ "x`hwinfo --bios --storage --pci | grep -i zotac 2> /dev/null || true`" != x ]
59 then
60 GRUB_CMDLINE_LINUX="rootdelay=8 ${GRUB_CMDLINE_LINUX}"
61 fi
62 fi
63
64 linux_entry ()
65 {
66 os="$1"
67 version="$2"
68 recovery="$3"
69 args="$4"
70 if ${recovery} ; then
71 title="$(gettext_quoted "%s [ %s ] (recovery mode)")"
72 else
73 title="$(gettext_quoted "%s [ %s ]")"
74 fi
75 printf "menuentry '${title}' ${CLASS} {\n" "${os}" "${version}"
76 if ! ${recovery} ; then
77 save_default_entry | sed -e "s/^/\t/"
78 fi
79
80 # Use ELILO's generic "efifb" when it's known to be available.
81 # FIXME: We need an interface to select vesafb in case efifb can't be used.
82 if [ "x$GRUB_GFXPAYLOAD_LINUX" = x ]; then
83 cat << EOF
84 load_video
85 EOF
86 else
87 if [ "x$GRUB_GFXPAYLOAD_LINUX" != xtext ]; then
88 cat << EOF
89 load_video
90 EOF
91 fi
92 cat << EOF
93 set gfxpayload=$GRUB_GFXPAYLOAD_LINUX
94 EOF
95 fi
96
97 cat << EOF
98 insmod gzio
99 EOF
100
101 if [ x$dirname = x/ ]; then
102 if [ -z "${prepare_root_cache}" ]; then
103 prepare_root_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE} | sed -e "s/^/\t/")"
104 fi
105 printf '%s\n' "${prepare_root_cache}"
106 else
107 if [ -z "${prepare_boot_cache}" ]; then
108 prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | sed -e "s/^/\t/")"
109 fi
110 printf '%s\n' "${prepare_boot_cache}"
111 fi
112 message="$(gettext_printf "Loading Linux %s ..." ${version})"
113 cat << EOF
114 echo '$message'
115 linux ${rel_dirname}/${basename} root=${linux_root_device_thisversion} ro ${args}
116 EOF
117 if test -n "${initrd}" ; then
118 message="$(gettext_printf "Loading initial ramdisk ...")"
119 cat << EOF
120 echo '$message'
121 initrd ${rel_dirname}/${initrd}
122 EOF
123 fi
124 cat << EOF
125 }
126 EOF
127 }
128
129 case x`uname -m` in
130 xi?86 | xx86_64)
131 list=`for i in /boot/vmlinuz-* /vmlinuz-* /boot/kernel-* ; do
132 if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi
133 done` ;;
134 *)
135 list=`for i in /boot/vmlinuz-* /boot/vmlinux-* /vmlinuz-* /vmlinux-* /boot/kernel-* ; do
136 if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi
137 done` ;;
138 esac
139
140 prepare_boot_cache=
141 prepare_root_cache=
142
143 while [ "x$list" != "x" ] ; do
144 linux=`version_find_latest $list`
145 echo "Found linux image: $linux" >&2
146 basename=`basename $linux`
147 dirname=`dirname $linux`
148 rel_dirname=`make_system_path_relative_to_its_root $dirname`
149 version=`echo $basename | sed -e "s,^[^0-9]*-,,g"`
150 alt_version=`echo $version | sed -e "s,\.old$,,g"`
151 linux_root_device_thisversion="${LINUX_ROOT_DEVICE}"
152
153 initrd=
154 for i in "initrd-${version}.img" \
155 "initramfs-${version}.img" \
156 "initrd-${alt_version}.img" \
157 "initramfs-${alt_version}.img"; do
158 if test -e "${dirname}/${i}" ; then
159 initrd="$i"
160 break
161 fi
162 done
163
164 config=
165 for i in "${dirname}/config-${version}" "${dirname}/config-${alt_version}" "/etc/kernels/kernel-config-${version}" ; do
166 if test -e "${i}" ; then
167 config="${i}"
168 break
169 fi
170 done
171
172 initramfs=
173 if test -n "${config}" ; then
174 initramfs=`grep CONFIG_INITRAMFS_SOURCE= "${config}" | cut -f2 -d= | tr -d \"`
175 fi
176
177 if test -n "${initrd}" ; then
178 echo "Found initrd image: ${dirname}/${initrd}" >&2
179 elif test -z "${initramfs}" ; then
180 # "UUID=" magic is parsed by initrd or initramfs. Since there's
181 # no initrd or builtin initramfs, it can't work here.
182 linux_root_device_thisversion=${GRUB_DEVICE}
183 fi
184
185 linux_entry "${OS}" "${version}" false \
186 "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
187
188 list=`echo $list | tr ' ' '\n' | grepvx $linux | tr '\n' ' '`
189 done