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authorGrant Likely <grant.likely@secretlab.ca>2011-01-14 12:09:49 -0700
committerGrant Likely <grant.likely@secretlab.ca>2011-01-14 12:09:49 -0700
commit42a9fa9957e369240936891c9a521ab671eed4e7 (patch)
tree7a9367594a367085c6a4a4433f687ec5c8dac8b7 /scripts/xz_wrap.sh
parent5f35765d836befebdfabf745fdbf2e070c887fac (diff)
parentc289ef41431144a538b5fb5f94fc83c81b3020e2 (diff)
Merge branch 'devicetree/next' into spi/next
Diffstat (limited to 'scripts/xz_wrap.sh')
-rw-r--r--scripts/xz_wrap.sh23
1 files changed, 23 insertions, 0 deletions
diff --git a/scripts/xz_wrap.sh b/scripts/xz_wrap.sh
new file mode 100644
index 00000000000..17a5798c29d
--- /dev/null
+++ b/scripts/xz_wrap.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+#
+# This is a wrapper for xz to compress the kernel image using appropriate
+# compression options depending on the architecture.
+#
+# Author: Lasse Collin <lasse.collin@tukaani.org>
+#
+# This file has been put into the public domain.
+# You can do whatever you want with this file.
+#
+
+BCJ=
+LZMA2OPTS=
+
+case $ARCH in
+ x86|x86_64) BCJ=--x86 ;;
+ powerpc) BCJ=--powerpc ;;
+ ia64) BCJ=--ia64; LZMA2OPTS=pb=4 ;;
+ arm) BCJ=--arm ;;
+ sparc) BCJ=--sparc ;;
+esac
+
+exec xz --check=crc32 $BCJ --lzma2=$LZMA2OPTS,dict=32MiB