From: Koen Kooi <koen.kooi@linaro.org>
Date: Tue, 14 Jan 2014 11:00:48 +0000 (+0100)
Subject: kernel.bbclass: add support for LZ4 initramfs files
X-Git-Tag: lucaceresoli/bug-15201-perf-libtraceevent-missing~34876
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=4cf53999459f3984f541ad5e666057a6727a066c;p=thirdparty%2Fopenembedded%2Fopenembedded-core-contrib.git

kernel.bbclass: add support for LZ4 initramfs files

Signed-off-by: Koen Kooi <koen.kooi@linaro.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---

diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
index 5fef446fb68..f2a5ec5de76 100644
--- a/meta/classes/kernel.bbclass
+++ b/meta/classes/kernel.bbclass
@@ -87,7 +87,7 @@ copy_initramfs() {
 	mkdir -p ${B}/usr
 	# Find and use the first initramfs image archive type we find
 	rm -f ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.cpio
-	for img in cpio.gz cpio.lzo cpio.lzma cpio.xz; do
+	for img in cpio.gz cpio.lz4 cpio.lzo cpio.lzma cpio.xz; do
 		if [ -e "${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE}-${MACHINE}.$img" ]; then
 			cp ${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE}-${MACHINE}.$img ${B}/usr/.
 			case $img in
@@ -96,6 +96,11 @@ copy_initramfs() {
 				gunzip -f ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img
 				break
 				;;
+			*lz4)
+				echo "lz4 decompressing image"
+				lz4 -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img
+				break
+				;;
 			*lzo)
 				echo "lzo decompressing image"
 				lzop -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img