IMG/cpio/sbin/init

   1 #!/ventoy/busybox/ash
   2 #************************************************************************************
   3 # Copyright (c) 2020, longpanda <admin@ventoy.net>
   4 #
   5 # This program is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU General Public License as
   7 # published by the Free Software Foundation; either version 3 of the
   8 # License, or (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful, but
  11 # WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 # General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, see <http://www.gnu.org/licenses/>.
  17 #
  18 #************************************************************************************
  19
  20 ####################################################################
  21 #                                                                  #
  22 # Step 1 : extract busybox & set busybox environment               #
  23 #                                                                  #
  24 ####################################################################
  25
  26 export VTOY_ORG_PATH=$PATH
  27 export VTOY_PATH=/ventoy
  28 export BUSYBOX_PATH=$VTOY_PATH/busybox
  29 export VTLOG=$VTOY_PATH/log
  30 export FIND=$BUSYBOX_PATH/find
  31 export GREP=$BUSYBOX_PATH/grep
  32 export EGREP=$BUSYBOX_PATH/egrep
  33 export CAT=$BUSYBOX_PATH/cat
  34 export AWK=$BUSYBOX_PATH/awk
  35 export SED=$BUSYBOX_PATH/sed
  36 export SLEEP=$BUSYBOX_PATH/sleep
  37 export HEAD=$BUSYBOX_PATH/head
  38
  39 if [ -e $BUSYBOX_PATH/busyboxaa64.xz ]; then
  40     export VTOY_ARCH=aarch64
  41 elif [ -e $BUSYBOX_PATH/busyboxm64e.xz ]; then
  42     export VTOY_ARCH=mips64el
  43 else
  44     if [ -e $BUSYBOX_PATH/32h ]; then
  45         export VTOY_ARCH=x86_64
  46     else
  47         export VTOY_ARCH=i386
  48     fi
  49 fi
  50
  51 echo $VTOY_ARCH > $VTOY_PATH/ventoy_arch
  52
  53
  54 if [ "$VTOY_ARCH" = "aarch64" ]; then
  55     $BUSYBOX_PATH/xzminidecaa64 < $BUSYBOX_PATH/busyboxaa64.xz > $BUSYBOX_PATH/busybox
  56     $BUSYBOX_PATH/vtchmodaa64 $BUSYBOX_PATH/busybox
  57 elif [ "$VTOY_ARCH" = "mips64el" ]; then
  58     $BUSYBOX_PATH/xzminidecm64e < $BUSYBOX_PATH/busyboxm64e.xz > $BUSYBOX_PATH/busybox
  59     $BUSYBOX_PATH/vtchmodm64e $BUSYBOX_PATH/busybox
  60 elif [ "$VTOY_ARCH" = "x86_64" ]; then
  61     $BUSYBOX_PATH/xzminidec64 < $BUSYBOX_PATH/busybox64.xz > $BUSYBOX_PATH/busybox
  62     if [ -s $BUSYBOX_PATH/busybox ]; then
  63         $BUSYBOX_PATH/vtchmod64 $BUSYBOX_PATH/busybox
  64     else
  65         $BUSYBOX_PATH/xzminidec64_musl < $BUSYBOX_PATH/busybox64.xz > $BUSYBOX_PATH/busybox
  66         $BUSYBOX_PATH/vtchmod64_musl $BUSYBOX_PATH/busybox
  67     fi
  68 else
  69     $BUSYBOX_PATH/xzminidec32 < $BUSYBOX_PATH/busybox32.xz > $BUSYBOX_PATH/busybox
  70     $BUSYBOX_PATH/vtchmod32 $BUSYBOX_PATH/busybox
  71 fi
  72
  73 if [ -e $BUSYBOX_PATH/busybox ]; then
  74     $BUSYBOX_PATH/busybox --install $BUSYBOX_PATH
  75 else
  76     $BUSYBOX_PATH/tmpxz -d $BUSYBOX_PATH/busybox32.xz
  77     $BUSYBOX_PATH/busybox32 --install $BUSYBOX_PATH
  78 fi
  79
  80 export PATH=$BUSYBOX_PATH/:$VTOY_PATH/tool
  81
  82 export VTOY_BREAK_LEVEL=$(hexdump -n 1 -s 449 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
  83 export VTOY_DEBUG_LEVEL=$(hexdump -n 1 -s 450 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
  84
  85 #Fixme: busybox shell output redirect seems to have some bug in rhel5
  86 if uname -a | grep -q el5; then
  87     VTOY_REDT_BUG=YES
  88 fi
  89
  90 if [ -z "$VTOY_REDT_BUG" ]; then
  91     echo "============== VENTOY =================" >>$VTLOG
  92 fi
  93
  94 cd $VTOY_PATH
  95 xz -d ventoy_chain.sh.xz
  96 xz -d ventoy_loop.sh.xz
  97
  98 if [ -n "$VTOY_REDT_BUG" ]; then
  99     xz -d -c hook.cpio.xz | cpio -idm
 100     xz -d -c tool.cpio.xz | cpio -idm
 101     xz -d -c loop.cpio.xz | cpio -idm
 102 else
 103     xz -d -c hook.cpio.xz | cpio -idm 2>>$VTLOG
 104     xz -d -c tool.cpio.xz | cpio -idm 2>>$VTLOG
 105     xz -d -c loop.cpio.xz | cpio -idm 2>>$VTLOG
 106 fi
 107
 108
 109 if [ "$VTOY_ARCH" = "x86_64" ]; then
 110     echo "Use x86_64 busybox toolkit ..." >>$VTLOG
 111     ln -s $BUSYBOX_PATH/xzminidec64 $BUSYBOX_PATH/xzminidec
 112     ln -s $VTOY_PATH/tool/dmsetup64 $VTOY_PATH/tool/dmsetup
 113     ln -s $VTOY_PATH/tool/lunzip64 $VTOY_PATH/tool/lunzip
 114
 115     rm -f $VTOY_PATH/tool/lz4cat $VTOY_PATH/tool/zstdcat
 116     ln -s $VTOY_PATH/tool/lz4cat64 $VTOY_PATH/tool/lz4cat
 117     ln -s $VTOY_PATH/tool/zstdcat64 $VTOY_PATH/tool/zstdcat
 118 elif [ "$VTOY_ARCH" = "i386" ]; then
 119     echo "Use i386 busybox toolkit ..." >>$VTLOG
 120     ln -s $BUSYBOX_PATH/xzminidec32 $BUSYBOX_PATH/xzminidec
 121     ln -s $VTOY_PATH/tool/dmsetup32 $VTOY_PATH/tool/dmsetup
 122     ln -s $VTOY_PATH/tool/lunzip32 $VTOY_PATH/tool/lunzip
 123
 124 elif [ "$VTOY_ARCH" = "mips64el" ]; then
 125     echo "Use MIPS64 busybox toolkit ..." >>$VTLOG
 126     ln -s $BUSYBOX_PATH/xzminidecm64e $BUSYBOX_PATH/xzminidec
 127     ln -s $VTOY_PATH/tool/dmsetupm64e $VTOY_PATH/tool/dmsetup
 128
 129     # TBD
 130     #ln -s $VTOY_PATH/tool/lunzipm64e $VTOY_PATH/tool/lunzip
 131
 132     rm -f $VTOY_PATH/tool/lz4cat $VTOY_PATH/tool/zstdcat
 133     ln -s $VTOY_PATH/tool/lz4catm64e $VTOY_PATH/tool/lz4cat
 134
 135     # TBD
 136     #ln -s $VTOY_PATH/tool/zstdcataa64 $VTOY_PATH/tool/zstdcat
 137
 138 elif [ "$VTOY_ARCH" = "aarch64" ]; then
 139     echo "Use ARM64 busybox toolkit ..." >>$VTLOG
 140     ln -s $BUSYBOX_PATH/xzminidecaa64 $BUSYBOX_PATH/xzminidec
 141     ln -s $VTOY_PATH/tool/dmsetupaa64 $VTOY_PATH/tool/dmsetup
 142     ln -s $VTOY_PATH/tool/lunzipaa64 $VTOY_PATH/tool/lunzip
 143
 144     rm -f $VTOY_PATH/tool/lz4cat $VTOY_PATH/tool/zstdcat
 145     ln -s $VTOY_PATH/tool/lz4cataa64 $VTOY_PATH/tool/lz4cat
 146     ln -s $VTOY_PATH/tool/zstdcataa64 $VTOY_PATH/tool/zstdcat
 147 else
 148     echo "Unknown busybox toolkit ..." >>$VTLOG
 149 fi
 150
 151 rm -f *.xz
 152 cd /
 153
 154 ####################################################################
 155 #                                                                  #
 156 # Step 2 : Hand over to ventoy init                                #
 157 #                                                                  #
 158 ####################################################################
 159 exec $BUSYBOX_PATH/sh $VTOY_PATH/init