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
  48 genbzdisk() {
  49         verify "$MTOOLSRC"
  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 $FBZIMAGE a:linux
  57 }
  58
  59 genfdimage144() {
  60         verify "$MTOOLSRC"
  61         dd if=/dev/zero of=$FIMAGE bs=1024 count=1440 2> /dev/null
  62         mformat v:
  63         syslinux $FIMAGE
  64         echo "$KCMDLINE" | mcopy - v:syslinux.cfg
  65         if [ -f "$FDINITRD" ] ; then
  66                 mcopy "$FDINITRD" v:initrd.img
  67         fi
  68         mcopy $FBZIMAGE v:linux
  69 }
  70
  71 genfdimage288() {
  72         verify "$MTOOLSRC"
  73         dd if=/dev/zero of=$FIMAGE bs=1024 count=2880 2> /dev/null
  74         mformat w:
  75         syslinux $FIMAGE
  76         echo "$KCMDLINE" | mcopy - W:syslinux.cfg
  77         if [ -f "$FDINITRD" ] ; then
  78                 mcopy "$FDINITRD" w:initrd.img
  79         fi
  80         mcopy $FBZIMAGE w:linux
  81 }
  82
  83 geniso() {
  84         tmp_dir=`dirname $FIMAGE`/isoimage
  85         rm -rf $tmp_dir
  86         mkdir $tmp_dir
  87         for i in lib lib64 share ; do
  88                 for j in syslinux ISOLINUX ; do
  89                         if [ -f /usr/$i/$j/isolinux.bin ] ; then
  90                                 isolinux=/usr/$i/$j/isolinux.bin
  91                         fi
  92                 done
  93                 for j in syslinux syslinux/modules/bios ; do
  94                         if [ -f /usr/$i/$j/ldlinux.c32 ]; then
  95                                 ldlinux=/usr/$i/$j/ldlinux.c32
  96                         fi
  97                 done
  98                 if [ -n "$isolinux" -a -n "$ldlinux" ] ; then
  99                         break
 100                 fi
 101         done
 102         if [ -z "$isolinux" ] ; then
 103                 echo 'Need an isolinux.bin file, please install syslinux/isolinux.'
 104                 exit 1
 105         fi
 106         if [ -z "$ldlinux" ] ; then
 107                 echo 'Need an ldlinux.c32 file, please install syslinux/isolinux.'
 108                 exit 1
 109         fi
 110         cp $isolinux $tmp_dir
 111         cp $ldlinux $tmp_dir
 112         cp $FBZIMAGE $tmp_dir/linux
 113         echo "$KCMDLINE" > $tmp_dir/isolinux.cfg
 114         if [ -f "$FDINITRD" ] ; then
 115                 cp "$FDINITRD" $tmp_dir/initrd.img
 116         fi
 117         genisoimage -J -r -input-charset=utf-8 -quiet -o $FIMAGE \
 118                 -b isolinux.bin -c boot.cat -no-emul-boot -boot-load-size 4 \
 119                 -boot-info-table $tmp_dir
 120         isohybrid $FIMAGE 2>/dev/null || true
 121         rm -rf $tmp_dir
 122 }
 123
 124 case $1 in
 125         bzdisk)     genbzdisk;;
 126         fdimage144) genfdimage144;;
 127         fdimage288) genfdimage288;;
 128         isoimage)   geniso;;
 129         *)          echo 'Unknown image format'; exit 1;
 130 esac