kernel, chromeos-initramfs: overhaul for recovery support

chromeos-base/chromeos-initramfs/chromeos-initramfs-9999.ebuild

 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=2
 
 inherit cros-workon
 
 DESCRIPTION="Create Chrome OS initramfs"
 HOMEPAGE="http://src.chromium.org"
 
 LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="~x86 ~arm"
 IUSE=""
 DEPEND="app-arch/cpio
         sys-apps/busybox
-        sys-apps/rootdev
         sys-fs/lvm2
         chromeos-base/vboot_reference
         chromeos-base/chromeos-installer"
 RDEPEND=""
 
 CROS_WORKON_LOCALNAME="../platform/initramfs"
 CROS_WORKON_PROJECT="initramfs"
 
 INITRAMFS_TMP_S=${WORKDIR}/initramfs_tmp
 # Suffixed with cpio or not recognize filetype.
 INITRAMFS_FILE="initramfs.cpio.gz"
 
 build_initramfs_file() {
         mkdir -p ${INITRAMFS_TMP_S}/bin ${INITRAMFS_TMP_S}/sbin
         mkdir -p ${INITRAMFS_TMP_S}/usr/bin ${INITRAMFS_TMP_S}/usr/sbin
         mkdir -p ${INITRAMFS_TMP_S}/etc ${INITRAMFS_TMP_S}/dev
         mkdir -p ${INITRAMFS_TMP_S}/root ${INITRAMFS_TMP_S}/proc
         mkdir -p ${INITRAMFS_TMP_S}/sys ${INITRAMFS_TMP_S}/usb
         mkdir -p ${INITRAMFS_TMP_S}/newroot ${INITRAMFS_TMP_S}/lib
-        mkdir -p ${INITRAMFS_TMP_S}/stateful
+        mkdir -p ${INITRAMFS_TMP_S}/stateful ${INITRAMFS_TMP_S}/tmp
+        mkdir -p ${INITRAMFS_TMP_S}/log
 
         # Insure cgpt is statically linked
         file ${ROOT}/usr/bin/cgpt | grep -q "statically linked" || die
 
         # Load libraries for busybox and dmsetup
         # TODO: how can ebuilds support static busybox?
         LIBS="
                 ld-linux.so.2
                 libm.so.6
                 libc.so.6
+                ../usr/lib/libcrypto.so.0.9.8
                 libdevmapper.so.1.02
                 libdl.so.2
                 libpam.so.0
                 libpam_misc.so.0
                 libpthread.so.0
                 librt.so.1
+                libz.so.1
         "
         for lib in $LIBS; do
                 cp ${ROOT}/lib/${lib} ${INITRAMFS_TMP_S}/lib/ || die
         done
 
         cp ${ROOT}/bin/busybox ${INITRAMFS_TMP_S}/bin || die
+
+        # For verified rootfs
         cp ${ROOT}/sbin/dmsetup ${INITRAMFS_TMP_S}/bin || die
-        cp ${ROOT}/usr/bin/rootdev ${INITRAMFS_TMP_S}/bin || die
+
+        # For recovery behavior
+        cp ${ROOT}/usr/bin/tpmc ${INITRAMFS_TMP_S}/bin || die
+        cp ${ROOT}/usr/bin/dev_sign_file ${INITRAMFS_TMP_S}/bin || die
+        cp ${ROOT}/usr/bin/vbutil_kernel ${INITRAMFS_TMP_S}/bin || die
 
         cp ${ROOT}/usr/bin/cgpt ${INITRAMFS_TMP_S}/usr/bin || die
         cp ${ROOT}/usr/sbin/chromeos-common.sh ${INITRAMFS_TMP_S}/usr/sbin || die
         cp ${ROOT}/usr/sbin/chromeos-findrootfs ${INITRAMFS_TMP_S}/usr/sbin || die
 
         ln -s "busybox" "${INITRAMFS_TMP_S}/bin/sh"
         cp "${FILESDIR}/init" "${INITRAMFS_TMP_S}/init" || die
         chmod +x "${INITRAMFS_TMP_S}/init"
 
         # The kernel emake expects the file in cpio format.
         pushd "${INITRAMFS_TMP_S}"; find . | cpio -o -H newc | gzip -9 \
                 > "${WORKDIR}/${INITRAMFS_FILE}" \
                 || die "cannot package initramfs"
         popd
 }
 
 src_compile() {
         einfo "Creating ${INITRAMFS_FILE}"
         build_initramfs_file
         INITRAMFS_FILE_SIZE=$(stat --printf="%s" "${WORKDIR}/${INITRAMFS_FILE}")
         einfo "${INITRAMFS_FILE}: ${INITRAMFS_FILE_SIZE} bytes"
 }
 
 src_install() {
         dodir /boot
         dobin ${WORKDIR}/${INITRAMFS_FILE}
 }