From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id D510DE006B5 for ; Wed, 28 Dec 2011 15:55:30 -0800 (PST) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP; 28 Dec 2011 15:55:30 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="101137454" Received: from unknown (HELO envy.home) ([10.255.13.53]) by fmsmga001.fm.intel.com with ESMTP; 28 Dec 2011 15:55:29 -0800 Message-ID: <4EFBABCB.3000203@intel.com> Date: Wed, 28 Dec 2011 15:52:43 -0800 From: Darren Hart User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:7.0) Gecko/20110927 Thunderbird/7.0 MIME-Version: 1.0 To: Yocto Project , raj.khem@gmail.com, koen@dominion.thruhere.net, kergoth@gmail.com, martin.jansa@gmail.com, Bruce Ashfield , Tom Zanussi , Richard Purdie References: In-Reply-To: Subject: Re: [PATCH 3/3] image_types: Ensure /init exists for cpio rootfs archives X-BeenThere: yocto@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Discussion of all things Yocto List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Dec 2011 23:55:31 -0000 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Apologies, this should have gone to oe-core :/ I will forward there. On 12/28/2011 03:45 PM, Darren Hart wrote: > 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. > > Signed-off-by: Darren Hart > --- > meta/classes/image_types.bbclass | 10 ++++++++-- > 1 files changed, 8 insertions(+), 2 deletions(-) > > diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass > index 6893e38..ebff0ba 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}" > -- Darren Hart Intel Open Source Technology Center Yocto Project - Linux Kernel