arch/x86/boot/genimage.sh

   1 #!/bin/sh
   2 #
   3 # This file is subject to the terms and conditions of the GNU General Public
   4 # License.  See the file "COPYING" in the main directory of this archive
   5 # for more details.
   6 #
   7 # Copyright (C) 2017 by Changbin Du <changbin.du@intel.com>
   8 #
   9 # Adapted from code in arch/x86/boot/Makefile by H. Peter Anvin and others
  10 #
  11 # "make fdimage/fdimage144/fdimage288/isoimage" script for x86 architecture
  12 #
  13 # Arguments:
  14 #   $1 - fdimage format
  15 #   $2 - target image file
  16 #   $3 - kernel bzImage file
  17 #   $4 - mtool configuration file
  18 #   $5 - kernel cmdline
  19 #   $6 - inird image file
  20 #
  21
  22 # Use "make V=1" to debug this script
  23 case "${KBUILD_VERBOSE}" in
  24 *1*)
  25         set -x
  26         ;;
  27 esac
  28
  29 verify () {
  30         if [ ! -f "$1" ]; then
  31                 echo ""                                                   1>&2
  32                 echo " *** Missing file: $1"                              1>&2
  33                 echo ""                                                   1>&2
  34                 exit 1
  35         fi
  36 }
  37
  38
  39 export MTOOLSRC=$4
  40 FIMAGE=$2
  41 FBZIMAGE=$3
  42 KCMDLINE=$5
  43 FDINITRD=$6
  44
  45 # Make sure the files actually exist
  46 verify "$FBZIMAGE"
  47 verify "$MTOOLSRC"
  48
  49 genbzdisk() {
  50         mformat a:
  51         syslinux $FIMAGE
  52         echo "$KCMDLINE" | mcopy - a:syslinux.cfg
  53         if [ -f "$FDINITRD" ] ; then
  54                 mcopy "$FDINITRD" a:initrd.img
  55         fi
  56         mcopy $FBZIMAGE a:linux
  57 }
  58
  59 genfdimage144() {
  60         dd if=/dev/zero of=$FIMAGE bs=1024 count=1440 2> /dev/null
  61         mformat v:
  62         syslinux $FIMAGE
  63         echo "$KCMDLINE" | mcopy - v:syslinux.cfg
  64         if [ -f "$FDINITRD" ] ; then
  65                 mcopy "$FDINITRD" v:initrd.img
  66         fi
  67         mcopy $FBZIMAGE v:linux
  68 }
  69
  70 genfdimage288() {
  71         dd if=/dev/zero of=$FIMAGE bs=1024 count=2880 2> /dev/null
  72         mformat w:
  73         syslinux $FIMAGE
  74         echo "$KCMDLINE" | mcopy - W:syslinux.cfg
  75         if [ -f "$FDINITRD" ] ; then
  76                 mcopy "$FDINITRD" w:initrd.img
  77         fi
  78         mcopy $FBZIMAGE w:linux
  79 }
  80
  81 genisoimage() {
  82         tmp_dir=`dirname $FIMAGE`/isoimage
  83         rm -rf $tmp_dir
  84         mkdir $tmp_dir
  85         for i in lib lib64 share end ; do
  86                 for j in syslinux ISOLINUX ; do
  87                         if [ -f /usr/$i/$j/isolinux.bin ] ; then
  88                                 isolinux=/usr/$i/$j/isolinux.bin
  89                                 cp $isolinux $tmp_dir
  90                         fi
  91                 done
  92                 for j in syslinux syslinux/modules/bios ; do
  93                         if [ -f /usr/$i/$j/ldlinux.c32 ]; then
  94                                 ldlinux=/usr/$i/$j/ldlinux.c32
  95                                 cp $ldlinux $tmp_dir
  96                         fi
  97                 done
  98                 if [ -n "$isolinux" -a -n "$ldlinux" ] ; then
  99                         break
 100                 fi
 101                 if [ $i = end -a -z "$isolinux" ] ; then
 102                         echo 'Need an isolinux.bin file, please install syslinux/isolinux.'
 103                         exit 1
 104                 fi
 105         done
 106         cp $FBZIMAGE $tmp_dir/linux
 107         echo "$KCMDLINE" > $tmp_dir/isolinux.cfg
 108         if [ -f "$FDINITRD" ] ; then
 109                 cp "$FDINITRD" $tmp_dir/initrd.img
 110         fi
 111         mkisofs -J -r -input-charset=utf-8 -quiet -o $FIMAGE -b isolinux.bin \
 112                 -c boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table \
 113                 $tmp_dir
 114         isohybrid $FIMAGE 2>/dev/null || true
 115         rm -rf $tmp_dir
 116 }
 117
 118 case $1 in
 119         bzdisk)     genbzdisk;;
 120         fdimage144) genfdimage144;;
 121         fdimage288) genfdimage288;;
 122         isoimage)   genisoimage;;
 123         *)          echo 'Unknown image format'; exit 1;
 124 esac