org.handhelds.familiar/packages/altboot/files/altboot-menu/Advanced/35-kexec

   1 # !/bin/sh
   2 M_TITLE="init=/bin/sh"
   3
   4 exit 0
   5
   6 # Only kernel 2.6 offers kexec support
   7 uname -r | grep -q "^2.6" || exit 0
   8
   9 run_module() {
  10
  11         test -e /etc/altboot.func && . /etc/altboot.func || die "ERROR: /etc/altboot.func not found. Check your installation!"
  12
  13         test -z "$KEXEC_KERNEL_DIR" && KEXEC_KERNEL_DIR="/boot"
  14         test -x "$KEXEC_BIN" || die "kexec-tools not found [$KEXEC_BIN]"
  15
  16         # Mount /proc, etc
  17         init_rootfs
  18
  19         if test "`find "$KEXEC_KERNEL_DIR" -type f -name "*zImage*" | wc -l | tr -d " "`" -gt 1
  20         then
  21                 echo "Please choose a kernel to boot:"
  22                 cd "$KEXEC_KERNEL_DIR"
  23
  24                 cnt=1
  25                 for f in `ls -1 "$KEXEC_KERNEL_DIR"`
  26                 do
  27                         echo "[$cnt] $f"
  28                         let cnt=$cnt+1
  29                 done
  30
  31                 while true
  32                 do
  33                         echo -n "Boot kernel: "
  34                         read junk
  35
  36                         if test -n "$junk"
  37                         then
  38                                 cnt=1
  39                                 for f in `ls -1 "$KEXEC_KERNEL_DIR"`
  40                                 do
  41                                         if test "$cnt" = "$junk"
  42                                         then
  43                                                 KEXEC_KERNEL="$f"
  44                                                 break
  45                                         fi
  46                                         let cnt=$cnt+1
  47                                 done
  48                         fi
  49                 done
  50
  51                 echo "kernel dir:[$KEXEC_KERNEL_DIR]"
  52                 echo "Using kernel: [$KEXEC_KERNEL]"
  53
  54
  55         for
  56 }
  57
  58 case "$1" in
  59 title)  echo "$M_TITLE";;
  60 run)    run_module;;
  61 esac
  62