package/boot/silo/stone_mod_silo.sh

   1 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   2 # T2 SDE: package/*/silo/stone_mod_silo.sh
   3 # Copyright (C) 2004 - 2025 The T2 SDE Project
   4 #
   5 # This Copyright note is generated by scripts/Create-CopyPatch,
   6 # more information can be found in the files COPYING and README.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License version 2.
  10 # --- T2-COPYRIGHT-NOTE-END ---
  11 #
  12 # [MAIN] 70 silo SILO Boot Loader Setup
  13 # [SETUP] 90 silo
  14
  15 create_kernel_list() {
  16         local first=1
  17         for x in `(cd /boot/; ls vmlinuz-*) | sort -Vr`; do
  18                 if [ $first = 1 ]; then
  19                         label=linux first=0
  20                 else
  21                         label=linux-${x/vmlinuz-/}
  22                 fi
  23                 ver=${x/vmlinuz-}
  24                 cat << EOT
  25
  26 image=$bootpath/$x
  27         label=$label
  28         root=$rootdev
  29         initrd=$bootpath/initrd-${ver}
  30         read-only
  31 EOT
  32         done
  33 }
  34
  35 create_silo_conf() {
  36         cat << EOT > /boot/silo.conf
  37
  38 # /boot/silo.conf created with the T2 SDE SILO STONE module
  39
  40 root=$bootdev
  41
  42 # Second silo image chooser delay
  43 timeout=80
  44
  45 EOT
  46
  47         create_kernel_list >> /boot/silo.conf
  48
  49         gui_message "This is the new /boot/silo.conf file:
  50
  51 $( cat /boot/silo.conf )"
  52 }
  53
  54 silo_install()
  55 {
  56         gui_cmd 'Installing SILO' "echo 'calling silo'; silo -C /boot/silo.conf"
  57 }
  58
  59 device4()
  60 {
  61         local dev="`grep \" $1 \" /proc/mounts | tail -n 1 |
  62                     cut -d ' ' -f 1`"
  63         if [ ! "$dev" ]; then # try the higher dentry
  64                 local try="`dirname $1`"
  65                 dev="`grep \" $try \" /proc/mounts | tail -n 1 | \
  66                       cut -d ' ' -f 1`"
  67         fi
  68         if [ -h "$dev" ]; then
  69           echo "/dev/`readlink $dev`"
  70         else
  71           echo $dev
  72         fi
  73 }
  74
  75 realpath() {
  76         dir="`dirname $1`"
  77         file="`basename $1`"
  78         dir="`dirname $dir`/`readlink $dir`"
  79         dir="`echo $dir | sed 's,[^/]*/\.\./,,g'`"
  80         echo $dir/$file
  81 }
  82
  83 main() {
  84         rootdev="`device4 /`"
  85         bootdev="`device4 /boot`"
  86
  87         if [ "$rootdev" = "$bootdev" ]
  88         then bootpath=/boot; else bootpath=""; fi
  89
  90         if [ ! -f /boot/silo.conf ]; then
  91           if gui_yesno "SILO does not appear to be configured.
  92 Automatically install SILO now?"; then
  93             create_silo_conf
  94             if ! silo_install; then
  95               gui_message "There was an error while installing SILO."
  96             fi
  97           fi
  98         fi
  99
 100         while
 101
 102         gui_menu yaboot 'SILO Boot Loader Setup' \
 103                 "Root Device ........... $rootdev" "" \
 104                 "Boot Device ........... $bootdev" "" \
 105                 "Boot Path ............. $bootpath" "" \
 106                 '' '' \
 107                 '(Re-)Create silo.conf with installed kernels' 'create_silo_conf' \
 108                 '(Re-)Install SILO' 'silo_install' \
 109                 '' '' \
 110                 "Edit /boot/silo.conf (Config file)" \
 111                         "gui_edit 'STONE Configuration' /boot/silo.conf"
 112     do : ; done
 113 }