scripts/xz_wrap.sh

   1 #!/bin/sh
   2 #
   3 # This is a wrapper for xz to compress the kernel image using appropriate
   4 # compression options depending on the architecture.
   5 #
   6 # Author: Lasse Collin <lasse.collin@tukaani.org>
   7 #
   8 # This file has been put into the public domain.
   9 # You can do whatever you want with this file.
  10 #
  11
  12 BCJ=
  13 LZMA2OPTS=
  14
  15 case $ARCH in
  16         x86|x86_64)     BCJ=--x86 ;;
  17         powerpc)        BCJ=--powerpc ;;
  18         ia64)           BCJ=--ia64; LZMA2OPTS=pb=4 ;;
  19         arm)            BCJ=--arm ;;
  20         sparc)          BCJ=--sparc ;;
  21 esac
  22
  23 exec xz --check=crc32 $BCJ --lzma2=$LZMA2OPTS,dict=32MiB