xref: /openbmc/linux/scripts/xz_wrap.sh (revision d9fd5a71)
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
12BCJ=
13LZMA2OPTS=
14
15case $SRCARCH in
16	x86)            BCJ=--x86 ;;
17	powerpc)        BCJ=--powerpc ;;
18	ia64)           BCJ=--ia64; LZMA2OPTS=pb=4 ;;
19	arm)            BCJ=--arm ;;
20	sparc)          BCJ=--sparc ;;
21esac
22
23exec $XZ --check=crc32 $BCJ --lzma2=$LZMA2OPTS,dict=32MiB
24