From db36190b7b8ca7e2f5ee966a780fd1ae42316560 Mon Sep 17 00:00:00 2001 From: Darren Hart Date: Wed, 21 Dec 2011 00:24:46 -0800 Subject: image_types: Ensure /init exists for cpio rootfs archives In order for the kernel to accept an initramfs as a rootfs, it must have /init - even if it is an empty file. Touch /init to ensure it exists for cpio and cpio.gz image types. When used with initrd and rootfs=/dev/ram0, this allows the cpio and cpio.gz images to be used as the rootfs. (From OE-Core rev: 849b9aadae41d9b6777787213556bc538858b49a) Signed-off-by: Darren Hart Signed-off-by: Richard Purdie --- meta/classes/image_types.bbclass | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'meta/classes/image_types.bbclass') diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass index 6893e38050..ebff0ba60a 100644 --- a/meta/classes/image_types.bbclass +++ b/meta/classes/image_types.bbclass @@ -110,8 +110,14 @@ IMAGE_CMD_tar = "cd ${IMAGE_ROOTFS} && tar -cvf ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME IMAGE_CMD_tar.gz = "cd ${IMAGE_ROOTFS} && tar -zcvf ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.tar.gz ." IMAGE_CMD_tar.bz2 = "cd ${IMAGE_ROOTFS} && tar -jcvf ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.tar.bz2 ." IMAGE_CMD_tar.xz = "cd ${IMAGE_ROOTFS} && tar --xz -cvf ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.tar.xz ." -IMAGE_CMD_cpio = "cd ${IMAGE_ROOTFS} && (find . | cpio -o -H newc >${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio)" -IMAGE_CMD_cpio.gz = "cd ${IMAGE_ROOTFS} && (find . | cpio -o -H newc | gzip -c -9 >${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.gz)" +IMAGE_CMD_cpio () { + touch ${IMAGE_ROOTFS}/init + cd ${IMAGE_ROOTFS} && (find . | cpio -o -H newc >${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio) +} +IMAGE_CMD_cpio.gz () { + touch ${IMAGE_ROOTFS}/init + cd ${IMAGE_ROOTFS} && (find . | cpio -o -H newc | gzip -c -9 >${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.gz) +} IMAGE_CMD_cpio.xz = "type cpio >/dev/null; cd ${IMAGE_ROOTFS} && (find . | cpio -o -H newc | xz -c ${XZ_COMPRESSION_LEVEL} --check=${XZ_INTEGRITY_CHECK} > ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.xz) ${EXTRA_IMAGECMD}" IMAGE_CMD_cpio.lzma = "type cpio >/dev/null; cd ${IMAGE_ROOTFS} && (find . | cpio -o -H newc | xz --format=lzma -c ${XZ_COMPRESSION_LEVEL} --check=${XZ_INTEGRITY_CHECK} >${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.lzma) ${EXTRA_IMAGECMD}" -- cgit v1.2.3-54-g00ecf