package/boot/grub/stone_mod_grub.sh

   1 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   2 # This copyright note is auto-generated by scripts/Create-CopyPatch.
   3 #
   4 # T2 SDE: package/*/grub/stone_mod_grub.sh
   5 # Copyright (C) 2004 - 2021 The T2 SDE Project
   6 # Copyright (C) 1998 - 2003 ROCK Linux Project
   7 #
   8 # More information can be found in the files COPYING and README.
   9 #
  10 # This program is free software; you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; version 2 of the License. A copy of the
  13 # GNU General Public License can be found in the file COPYING.
  14 # --- T2-COPYRIGHT-NOTE-END ---
  15 #
  16 # [MAIN] 70 grub GRUB Boot Loader Setup
  17 # [SETUP] 90 grub
  18
  19 create_kernel_list() {
  20         first=1
  21         for x in `(cd /boot/; ls vmlinuz-*) | sort -r` ; do
  22                 ver=${x/vmlinuz-/}
  23                 if [ $first = 1 ] ; then
  24                         label=linux ; first=0
  25                 else
  26                         label=linux-$ver
  27                 fi
  28
  29                 cat << EOT
  30
  31 title  $label
  32 kernel $bootdrive$bootpath/$x root=$rootdev ro
  33 initrd $bootdrive$bootpath/initrd-${ver}
  34 EOT
  35         done
  36 }
  37
  38 create_device_map() {
  39         gui_cmd '(Re-)Create GRUB Device Map' "$( cat << "EOT"
  40 rm -vf /boot/grub/device.map
  41 echo quit | grub --batch --device-map=/boot/grub/device.map
  42 EOT
  43         )"
  44 }
  45
  46 convert_device() {
  47     local device="$1"
  48     local root_part=
  49
  50     # extract device type (block) and major number for root drive
  51     local major_minor=`ls -Ll $device |
  52     awk '{if ($6 < 64) printf("%c%d0", $1, $5); else printf("%c%d1", $1, $5)}'`
  53
  54     # find the matching BIOS device
  55     for bios_drive in `grep -v '^#' /boot/grub/device.map | awk '{print $2}'`
  56     do
  57         bios_major_minor=`ls -Ll $bios_drive 2>/dev/null |
  58         awk '{if ($6 < 64) printf("%c%d0", $1, $5); else printf("%c%d1", $1, $5)}'`
  59
  60         if [ "$major_minor" = "$bios_major_minor" ]; then
  61             # we found it
  62             root_drive=`grep $bios_drive /boot/grub/device.map | awk '{print $1}'`
  63             root_part=`ls -Ll $device | awk '{print $6}'`
  64             root_part=$(( $root_part % 16 - 1 ))
  65             break
  66         fi
  67     done
  68
  69     drive=`echo $root_drive | sed "s:)$:,$root_part):"`
  70     echo $drive
  71 }
  72
  73 create_boot_menu() {
  74         # determine /boot path, relative to the boot device
  75         # (non local as used by create_kernel_list() ...)
  76         #
  77         if [ "$rootdrive" = "$bootdrive" ]
  78         then bootpath="/boot"; else bootpath=""; fi
  79
  80         cat << EOT > /boot/grub/menu.lst
  81 timeout 8
  82 default 0
  83 fallback 1
  84 EOT
  85
  86         [ -f /boot/t2.xpm.gz ] && cat << EOT >> /boot/grub/menu.lst
  87
  88 foreground  = FFFFFF
  89 background  = 09345F
  90 splashimage $bootdrive$bootpath/t2.xpm.gz
  91 EOT
  92
  93         create_kernel_list >> /boot/grub/menu.lst
  94
  95         [ -f /boot/memtest86.bin ] && cat << EOT >> /boot/grub/menu.lst
  96
  97 title  MemTest86 (memory tester)
  98 kernel $bootdrive$bootpath/memtest86.bin
  99 EOT
 100
 101         gui_message "This is the new /boot/grub/menu.lst file:
 102
 103 $( cat /boot/grub/menu.lst )"
 104         unset bootpath
 105 }
 106
 107 grub_install() {
 108         gui_cmd 'Installing GRUB' "echo -e 'root $bootdrive\\nsetup (hd0)\\nquit' | grub --batch --device-map=/boot/grub/device.map"
 109 }
 110
 111 main() {
 112         rootdev="`grep ' / ' /proc/mounts | tail -n 1 | sed 's, .*,,'`"
 113         bootdev="`grep ' /boot ' /proc/mounts | tail -n 1 | sed 's, .*,,'`"
 114         [ -z "$bootdev" ] && bootdev="$rootdev"
 115
 116         i=0
 117         rootdev="$( cd `dirname $rootdev` ; pwd -P )/$( basename $rootdev )"
 118         while [ -L $rootdev ] ; do
 119                 directory="$( cd `dirname $rootdev` ; pwd -P )"
 120                 rootdev="$( ls -l $rootdev | sed 's,.* -> ,,' )"
 121                 [ "${rootdev##/*}" ] && rootdev="$directory/$rootdev"
 122                 i=$(( $i + 1 )) ; [ $i -gt 20 ] && rootdev="Not found!"
 123         done
 124
 125         i=0
 126         bootdev="$( cd `dirname $bootdev` ; pwd -P )/$( basename $bootdev )"
 127         while [ -L $bootdev ] ; do
 128                 directory="$( cd `dirname $bootdev` ; pwd -P )"
 129                 bootdev="$( ls -l $bootdev | sed 's,.* -> ,,' )"
 130                 [ "${bootdev##/*}" ] && bootdev="$directory/$bootdev"
 131                 i=$(( $i + 1 )) ; [ $i -gt 20 ] && bootdev="Not found!"
 132         done
 133
 134         if [ ! -f /boot/grub/menu.lst ] ; then
 135           if gui_yesno "GRUB does not appear to be configured.
 136 Automatically install GRUB now?"; then
 137             create_device_map
 138             rootdrive=`convert_device $rootdev`
 139             bootdrive=`convert_device $bootdev`
 140             create_boot_menu
 141             if ! grub_install; then
 142               gui_message "There was an error while installing GRUB."
 143             fi
 144           fi
 145         fi
 146
 147         while
 148
 149         if [ -s /boot/grub/device.map ] ; then
 150                 rootdrive=`convert_device $rootdev`
 151                 bootdrive=`convert_device $bootdev`
 152         else
 153                 rootdrive='No Device Map found!'
 154                 bootdrive='No Device Map found!'
 155         fi
 156
 157         gui_menu grub 'GRUB Boot Loader Setup' \
 158                 '(Re-)Create GRUB Device Map' 'create_device_map' \
 159                 "Root Device ... $rootdev" "" \
 160                 "Boot Drive .... $bootdrive$boot_path" "" \
 161                 '' '' \
 162                 '(Re-)Create boot menu with installed kernels' 'create_boot_menu' \
 163                 '(Re-)Install GRUB in MBR of (hd0)' 'grub_install' \
 164                 '' '' \
 165                 "Edit /boot/grub/device.map (Device Map)" \
 166                         "gui_edit 'GRUB Device Map' /boot/grub/device.map" \
 167                 "Edit /boot/grub/menu.lst (Boot Menu)" \
 168                         "gui_edit 'GRUB Boot Menu' /boot/grub/menu.lst"
 169     do : ; done
 170 }