On Thu, Dec 29, 2011 at 12:54 AM, Darren Hart <[email protected]> wrote: > <I sent this to the yocto list by mistake, forwarding here for comment> > > 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.
Why didn't you add the init to cpio.xz and cpio.lzma? Any special reason? > > When used with initrd and rootfs=/dev/ram0, this allows the > cpio and cpio.gz images to be used as the rootfs. Sure, and "...If all else fails, rdinit=/bin/sh " > > Signed-off-by: Darren Hart <[email protected]> > --- > 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}" > > -- > 1.7.6.4 > > _______________________________________________ > yocto mailing list > [email protected] > https://lists.yoctoproject.org/listinfo/yocto > > _______________________________________________ > Openembedded-core mailing list > [email protected] > http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core Regards Andrea Adami _______________________________________________ Openembedded-core mailing list [email protected] http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core
