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 $BUSYBOX_PATH/32h ]; then
  45         export VTOY_ARCH=x86_64
  46     else
  47         export VTOY_ARCH=i386
  48     fi
  49 fi
  50
  51 if [ "$VTOY_ARCH" = "i386" ]; then
  52     if $BUSYBOX_PATH/vtchmod32 -6; then
  53         export VTOY_ARCH=x86_64
  54     fi
  55 fi
  56
  57 echo $VTOY_ARCH > $VTOY_PATH/ventoy_arch
  58
  59
  60 if [ "$VTOY_ARCH" = "aarch64" ]; then
  61     $BUSYBOX_PATH/xzminidecaa64 < $BUSYBOX_PATH/busyboxaa64.xz > $BUSYBOX_PATH/busybox
  62     $BUSYBOX_PATH/vtchmodaa64 $BUSYBOX_PATH/busybox
  63 elif [ "$VTOY_ARCH" = "mips64el" ]; then
  64     $BUSYBOX_PATH/xzminidecm64e < $BUSYBOX_PATH/busyboxm64e.xz > $BUSYBOX_PATH/busybox
  65     $BUSYBOX_PATH/vtchmodm64e $BUSYBOX_PATH/busybox
  66 elif [ "$VTOY_ARCH" = "x86_64" ]; then
  67     $BUSYBOX_PATH/xzminidec64 < $BUSYBOX_PATH/busybox64.xz > $BUSYBOX_PATH/busybox
  68     if [ -s $BUSYBOX_PATH/busybox ]; then
  69         $BUSYBOX_PATH/vtchmod64 $BUSYBOX_PATH/busybox
  70     else
  71         $BUSYBOX_PATH/xzminidec64_musl < $BUSYBOX_PATH/busybox64.xz > $BUSYBOX_PATH/busybox
  72         $BUSYBOX_PATH/vtchmod64_musl $BUSYBOX_PATH/busybox
  73     fi
  74 else
  75     $BUSYBOX_PATH/xzminidec32 < $BUSYBOX_PATH/busybox32.xz > $BUSYBOX_PATH/busybox
  76     $BUSYBOX_PATH/vtchmod32 $BUSYBOX_PATH/busybox
  77 fi
  78
  79 if [ -e $BUSYBOX_PATH/busybox ]; then
  80     $BUSYBOX_PATH/busybox --install $BUSYBOX_PATH
  81 else
  82     $BUSYBOX_PATH/tmpxz -d $BUSYBOX_PATH/busybox32.xz
  83     $BUSYBOX_PATH/busybox32 --install $BUSYBOX_PATH
  84 fi
  85
  86 export PATH=$BUSYBOX_PATH/:$VTOY_PATH/tool
  87
  88 export VTOY_BREAK_LEVEL=$(hexdump -n 1 -s 449 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
  89 export VTOY_DEBUG_LEVEL=$(hexdump -n 1 -s 450 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
  90 export VTOY_LINUX_REMOUNT=$(hexdump -n 1 -s 454 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
  91
  92 #Fixme: busybox shell output redirect seems to have some bug in rhel5
  93 if uname -a | grep -q el5; then
  94     VTOY_REDT_BUG=YES
  95 fi
  96
  97 if [ -z "$VTOY_REDT_BUG" ]; then
  98     echo "============== VENTOY =================" >>$VTLOG
  99 fi
 100
 101 cd $VTOY_PATH
 102 xz -d ventoy_chain.sh.xz
 103 xz -d ventoy_loop.sh.xz
 104
 105 if [ -n "$VTOY_REDT_BUG" ]; then
 106     xz -d -c hook.cpio.xz | cpio -idm
 107     xz -d -c tool.cpio.xz | cpio -idm
 108     xz -d -c loop.cpio.xz | cpio -idm
 109 else
 110     xz -d -c hook.cpio.xz | cpio -idm 2>>$VTLOG
 111     xz -d -c tool.cpio.xz | cpio -idm 2>>$VTLOG
 112     xz -d -c loop.cpio.xz | cpio -idm 2>>$VTLOG
 113 fi
 114
 115
 116 if [ "$VTOY_ARCH" = "x86_64" ]; then
 117     echo "Use x86_64 busybox toolkit ..." >>$VTLOG
 118     ln -s $BUSYBOX_PATH/xzminidec64 $BUSYBOX_PATH/xzminidec
 119     ln -s $VTOY_PATH/tool/dmsetup64 $VTOY_PATH/tool/dmsetup
 120     ln -s $VTOY_PATH/tool/lunzip64 $VTOY_PATH/tool/lunzip
 121
 122     rm -f $VTOY_PATH/tool/lz4cat $VTOY_PATH/tool/zstdcat
 123     ln -s $VTOY_PATH/tool/lz4cat64 $VTOY_PATH/tool/lz4cat
 124     ln -s $VTOY_PATH/tool/zstdcat64 $VTOY_PATH/tool/zstdcat
 125 elif [ "$VTOY_ARCH" = "i386" ]; then
 126     echo "Use i386 busybox toolkit ..." >>$VTLOG
 127     ln -s $BUSYBOX_PATH/xzminidec32 $BUSYBOX_PATH/xzminidec
 128     ln -s $VTOY_PATH/tool/dmsetup32 $VTOY_PATH/tool/dmsetup
 129     ln -s $VTOY_PATH/tool/lunzip32 $VTOY_PATH/tool/lunzip
 130
 131     if uname -a | egrep -q 'x86_64|amd64'; then
 132         echo "zstdcat use 64bit ..." >>$VTLOG
 133         rm -f $VTOY_PATH/tool/zstdcat
 134         ln -s $VTOY_PATH/tool/zstdcat64 $VTOY_PATH/tool/zstdcat
 135     fi
 136 elif [ "$VTOY_ARCH" = "mips64el" ]; then
 137     echo "Use MIPS64 busybox toolkit ..." >>$VTLOG
 138     ln -s $BUSYBOX_PATH/xzminidecm64e $BUSYBOX_PATH/xzminidec
 139     ln -s $VTOY_PATH/tool/dmsetupm64e $VTOY_PATH/tool/dmsetup
 140
 141     # TBD
 142     #ln -s $VTOY_PATH/tool/lunzipm64e $VTOY_PATH/tool/lunzip
 143
 144     rm -f $VTOY_PATH/tool/lz4cat $VTOY_PATH/tool/zstdcat
 145     ln -s $VTOY_PATH/tool/lz4catm64e $VTOY_PATH/tool/lz4cat
 146
 147     # TBD
 148     #ln -s $VTOY_PATH/tool/zstdcataa64 $VTOY_PATH/tool/zstdcat
 149
 150 elif [ "$VTOY_ARCH" = "aarch64" ]; then
 151     echo "Use ARM64 busybox toolkit ..." >>$VTLOG
 152     ln -s $BUSYBOX_PATH/xzminidecaa64 $BUSYBOX_PATH/xzminidec
 153     ln -s $VTOY_PATH/tool/dmsetupaa64 $VTOY_PATH/tool/dmsetup
 154     ln -s $VTOY_PATH/tool/lunzipaa64 $VTOY_PATH/tool/lunzip
 155
 156     rm -f $VTOY_PATH/tool/lz4cat $VTOY_PATH/tool/zstdcat
 157     ln -s $VTOY_PATH/tool/lz4cataa64 $VTOY_PATH/tool/lz4cat
 158     ln -s $VTOY_PATH/tool/zstdcataa64 $VTOY_PATH/tool/zstdcat
 159 else
 160     echo "Unknown busybox toolkit ..." >>$VTLOG
 161 fi
 162
 163 rm -f *.xz
 164 cd /
 165
 166 ####################################################################
 167 #                                                                  #
 168 # Step 2 : Hand over to ventoy init                                #
 169 #                                                                  #
 170 ####################################################################
 171 exec $BUSYBOX_PATH/sh $VTOY_PATH/init