Import xz-embedded from git.vendor/xz-embedded/48f4588342f4a4e0182a6740e25675fd8e6c6295

This is from commit hash '48f4588342f4a4e0182a6740e25675fd8e6c6295'.

1 files changed, 23 insertions, 0 deletions

diff --git a/linux/scripts/xz_wrap.sh b/linux/scripts/xz_wrap.sh
new file mode 100755
index 000000000000..17a5798c29da
--- /dev/null
+++ b/linux/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