21.02/patches-base/9992-fit-support-embed-squashfs-rootfs-hash.patch

--- a/scripts/mkits.sh
+++ b/scripts/mkits.sh
@@ -17,7 +17,7 @@
 usage() {
 	printf "Usage: %s -A arch -C comp -a addr -e entry" "$(basename "$0")"
 	printf " -v version -k kernel [-D name -n address -d dtb] -o its_file"
-	printf " [-s script] [-S key_name_hint] [-r ar_ver]"
+	printf " [-s script] [-S key_name_hint] [-r ar_ver] [-R rootfs]"
 
 	printf "\n\t-A ==> set architecture to 'arch'"
 	printf "\n\t-C ==> set compression type 'comp'"
@@ -32,13 +32,14 @@ usage() {
 	printf "\n\t-o ==> create output file 'its_file'"
 	printf "\n\t-s ==> include u-boot script 'script'"
 	printf "\n\t-S ==> add signature at configurations and assign its key_name_hint by 'key_name_hint'"
-	printf "\n\t-r ==> set anti-rollback version to 'fw_ar_ver' (dec)\n"
+	printf "\n\t-r ==> set anti-rollback version to 'fw_ar_ver' (dec)"
+	printf "\n\t-R ==> specify rootfs file for embedding hash\n"
 	exit 1
 }
 
 FDTNUM=1
 
-while getopts ":A:a:c:C:D:d:e:k:n:o:v:s:S:r:" OPTION
+while getopts ":A:a:c:C:D:d:e:k:n:o:v:s:S:r:R:" OPTION
 do
 	case $OPTION in
 		A ) ARCH=$OPTARG;;
@@ -55,6 +56,7 @@ do
 		s ) UBOOT_SCRIPT=$OPTARG;;
 		S ) KEY_NAME_HINT=$OPTARG;;
 		r ) AR_VER=$OPTARG;;
+		R ) ROOTFS_FILE=$OPTARG;;
 		* ) echo "Invalid option passed to '$0' (options:$*)"
 		usage;;
 	esac
@@ -89,6 +91,30 @@ if [ -n "${DTB}" ]; then
 	FDT_PROP="fdt = \"fdt-$FDTNUM\";"
 fi
 
+# Conditionally create rootfs hash information
+if [ -f "${ROOTFS_FILE}" ]; then
+	ROOTFS_SIZE=$(stat -c %s ${ROOTFS_FILE})
+
+	ROOTFS_SHA1=$(sha1sum ${ROOTFS_FILE} | awk '{print "<0x"substr($0,1,8) " 0x"substr($0,9,8) " 0x"substr($0,17,8) " 0x"substr($0,25,8) " 0x"substr($0,33,8) ">"}')
+	ROOTFS_CRC32=$(crc32sum ${ROOTFS_FILE})
+
+	ROOTFS="
+	rootfs {
+		size = <${ROOTFS_SIZE}>;
+
+		hash-1 {
+			value = <0x${ROOTFS_CRC32}>;
+			algo = \"crc32\";
+		};
+
+		hash-2 {
+			value = ${ROOTFS_SHA1};
+			algo = \"sha1\";
+		};
+	};
+"
+fi
+
 # Conditionally create script information
 if [ -n "${UBOOT_SCRIPT}" ]; then
 	SCRIPT="\
@@ -167,6 +193,8 @@ ${FDT_NODE}
 ${SCRIPT}
 	};
 
+${ROOTFS}
+
 	configurations {
 		default = \"${CONFIG}\";
 		${CONFIG} {