[coreboot-gerrit] New patch to review for coreboot: 7abed03 util: Add script to LZMA compress a file and set size in header

[Paul Menzel]

Paul Menzel ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5705

-gerrit

commit 7abed0303830ef3832ed1ec2460874f5b5990e4c
Author: Kevin O'Connor 
Date:   Fri May 2 16:06:26 2014 +0200

util: Add script to LZMA compress a file and set size in header

Otherwise SeaBIOS does not decompress it.

Change-Id: I7e3c9081c1bfbf130d0ec5f6aa221f672e29d441
    Signed-off-by: Paul Menzel 
---
 util/lzma-with-size-in-header/lzma-with-size-in-header.sh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/util/lzma-with-size-in-header/lzma-with-size-in-header.sh b/util/lzma-with-size-in-header/lzma-with-size-in-header.sh
new file mode 100755
index 0000000..9aa0ad9
--- /dev/null
+++ b/util/lzma-with-size-in-header/lzma-with-size-in-header.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+# Script to create an lzma file with the proper header.
+FILENAME="$1"
+OUTNAME="$1.lzma"
+
+size=`python -c "import os; print len(open("$FILENAME", "rb").read())"`
+
+xz --format=lzma -zc "$FILENAME" > "$OUTNAME"
+python -c "import struct; data=open("$OUTNAME", 'rb').read(); data = data[:5] + struct.pack('<i', $size) + data[9:]; open("$OUTNAME", 'wb').write(data)"