image: allow building FIT and uImage with ramdisk

[openwrt/openwrt.git] / scripts / mkits.sh

diff --git a/scripts/mkits.sh b/scripts/mkits.sh
index 59ff3a2d15195a6eff3c3b20093b373745bfa562..ecaba8e9655ed1e49b03ddbf54d72a9a4befda9f 100755 (executable)
--- a/scripts/mkits.sh
+++ b/scripts/mkits.sh
@@ -24,6 +24,7 @@ usage() {
        printf "\n\t-a ==> set load address to 'addr' (hex)"
        printf "\n\t-e ==> set entry point to 'entry' (hex)"
        printf "\n\t-f ==> set device tree compatible string"
+       printf "\n\t-i ==> include initrd Blob 'initrd'"
        printf "\n\t-v ==> set kernel version to 'version'"
        printf "\n\t-k ==> include kernel image 'kernel'"
        printf "\n\t-D ==> human friendly Device Tree Blob 'name'"
@@ -37,10 +38,11 @@ usage() {
 
 FDTNUM=1
 ROOTFSNUM=1
+INITRDNUM=1
 HASH=sha1
 LOADABLES=
 
-while getopts ":A:a:c:C:D:d:e:f:k:n:o:v:r:S" OPTION
+while getopts ":A:a:c:C:D:d:e:f:i:k:n:o:v:r:S" OPTION
 do
        case $OPTION in
                A ) ARCH=$OPTARG;;
@@ -51,6 +53,7 @@ do
                d ) DTB=$OPTARG;;
                e ) ENTRY_ADDR=$OPTARG;;
                f ) COMPATIBLE=$OPTARG;;
+               i ) INITRD=$OPTARG;;
                k ) KERNEL=$OPTARG;;
                n ) FDTNUM=$OPTARG;;
                o ) OUTPUT=$OPTARG;;
@@ -96,6 +99,27 @@ if [ -n "${DTB}" ]; then
        FDT_PROP="fdt = \"fdt@$FDTNUM\";"
 fi
 
+if [ -n "${INITRD}" ]; then
+       INITRD_NODE="
+               initrd@$INITRDNUM {
+                       description = \"${ARCH_UPPER} OpenWrt ${DEVICE} initrd\";
+                       ${COMPATIBLE_PROP}
+                       data = /incbin/(\"${INITRD}\");
+                       type = \"ramdisk\";
+                       arch = \"${ARCH}\";
+                       os = \"linux\";
+                       hash@1 {
+                               algo = \"crc32\";
+                       };
+                       hash@2 {
+                               algo = \"${HASH}\";
+                       };
+               };
+"
+       INITRD_PROP="ramdisk=\"initrd@${INITRDNUM}\";"
+fi
+
+
 if [ -n "${ROOTFS}" ]; then
        dd if="${ROOTFS}" of="${ROOTFS}.pagesync" bs=4096 conv=sync
        ROOTFS_NODE="
@@ -141,6 +165,7 @@ DATA="/dts-v1/;
                                algo = \"$HASH\";
                        };
                };
+${INITRD_NODE}
 ${FDT_NODE}
 ${ROOTFS_NODE}
        };
@@ -153,6 +178,7 @@ ${ROOTFS_NODE}
                        ${FDT_PROP}
                        ${LOADABLES:+loadables = ${LOADABLES};}
                        ${COMPATIBLE_PROP}
+                       ${INITRD_PROP}
                };
        };
 };"