classes/magicbox-image.bbclass: Add a class that handles the generation of flash...

It creates "ready-to-burn" squashfs and squashfs-lza images and a single file kernel+jffs2 image

diff --git a/classes/magicbox-image.bbclass b/classes/magicbox-image.bbclass
new file mode 100644 (file)
index 0000000..05de28b
--- /dev/null
+++ b/classes/magicbox-image.bbclass
@@ -0,0 +1,37 @@
+magicbox_gen_images() {
+        # find latest kernel
+        KERNEL=`ls -tr ${DEPLOY_DIR_IMAGE}/uImage* | tail -1`
+        if [ -z "$KERNEL" ]; then
+                oefatal "No kernel found in ${DEPLOY_DIR_IMAGE}. Exiting !"
+                exit 1
+        fi
+
+        #squashfs
+        #We need to prep the image so that u-boot recognizes it
+         mv ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.squashfs ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.squashfs.bin
+         ${STAGING_BINDIR_NATIVE}/mkimage -A ppc -O linux -T ramdisk -C none -n "OPLinux-uclibc-squashfs"  \
+                -d ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.squashfs.bin ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.squashfs
+         rm -f ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.squashfs.bin
+
+
+        #squashfs-lzma
+        #same as squashfs
+         mv ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.squashfs-lzma ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.squashfs-lzma.bin
+         ${STAGING_BINDIR_NATIVE}/mkimage -A ppc -O linux -T ramdisk -C none -n "OPLinux-uclibc-squashfs-lzma"  \
+           -d ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.squashfs-lzma.bin ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.squashfs-lzma
+         rm -f ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.squashfs-lzma.bin
+
+        #kernel+jffs2 in a single image
+        #Add jffs2 marker at the end of the rootfs file
+        echo -ne '\xde\xad\xc0\xde' >> ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2
+
+       
+        ( dd if=$KERNEL bs=65536 conv=sync; \ 
+        dd if=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2 bs=65536 conv=sync; \
+        ) >  ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.jffs2.flash.bin
+
+}
+
+
+
+IMAGE_POSTPROCESS_COMMAND += "magicbox_gen_images; "