diff options
Diffstat (limited to 'meta-sota/scripts/runqemu-extract-sdk')
-rwxr-xr-x | meta-sota/scripts/runqemu-extract-sdk | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/meta-sota/scripts/runqemu-extract-sdk b/meta-sota/scripts/runqemu-extract-sdk new file mode 100755 index 0000000..32ddd48 --- /dev/null +++ b/meta-sota/scripts/runqemu-extract-sdk @@ -0,0 +1,104 @@ +#!/bin/bash +# +# This utility extracts an SDK image tarball using pseudo, and stores +# the pseudo database in var/pseudo within the rootfs. If you want to +# boot QEMU using an nfsroot, you *must* use this script to create the +# rootfs to ensure it is done correctly with pseudo. +# +# Copyright (c) 2010 Intel Corp. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# See the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +function usage() { + echo "Usage: $0 <image-tarball> <extract-dir>" +} + +if [ $# -ne 2 ]; then + usage + exit 1 +fi + +SYSROOT_SETUP_SCRIPT=`which oe-find-native-sysroot 2> /dev/null` +if [ -z "$SYSROOT_SETUP_SCRIPT" ]; then + echo "Error: Unable to find the oe-find-native-sysroot script" + echo "Did you forget to source your build system environment setup script?" + exit 1 +fi +. $SYSROOT_SETUP_SCRIPT +PSEUDO_OPTS="-P $OECORE_NATIVE_SYSROOT/usr" + +ROOTFS_TARBALL=$1 +SDK_ROOTFS_DIR=$2 + +if [ ! -e "$ROOTFS_TARBALL" ]; then + echo "Error: sdk tarball '$ROOTFS_TARBALL' does not exist" + usage + exit 1 +fi + +# Convert SDK_ROOTFS_DIR to a full pathname +if [[ ${SDK_ROOTFS_DIR:0:1} != "/" ]]; then + SDK_ROOTFS_DIR=$(readlink -f $(pwd)/$SDK_ROOTFS_DIR) +fi + +TAR_OPTS="" +if [[ "$ROOTFS_TARBALL" =~ tar\.bz2$ ]]; then + TAR_OPTS="--numeric-owner -xjf" +fi +if [[ "$ROOTFS_TARBALL" =~ tar\.gz$ ]]; then + TAR_OPTS="--numeric-owner -xzf" +fi +if [[ "$ROOTFS_TARBALL" =~ \.tar$ ]]; then + TAR_OPTS="--numeric-owner -xf" +fi +if [ -z "$TAR_OPTS" ]; then + echo "Error: Unable to determine sdk tarball format" + echo "Accepted types: .tar / .tar.gz / .tar.bz2" + exit 1 +fi + +if [ ! -d "$SDK_ROOTFS_DIR" ]; then + echo "Creating directory $SDK_ROOTFS_DIR" + mkdir -p "$SDK_ROOTFS_DIR" +fi + +pseudo_state_dir="$SDK_ROOTFS_DIR/../$(basename "$SDK_ROOTFS_DIR").pseudo_state" +pseudo_state_dir="$(readlink -f $pseudo_state_dir)" + +if [ -e "$pseudo_state_dir" ]; then + echo "Error: $pseudo_state_dir already exists!" + echo "Please delete the rootfs tree and pseudo directory manually" + echo "if this is really what you want." + exit 1 +fi + +mkdir -p "$pseudo_state_dir" +touch "$pseudo_state_dir/pseudo.pid" +PSEUDO_LOCALSTATEDIR="$pseudo_state_dir" +export PSEUDO_LOCALSTATEDIR + +echo "Extracting rootfs tarball using pseudo..." +echo "$PSEUDO $PSEUDO_OPTS tar -C \"$SDK_ROOTFS_DIR\" $TAR_OPTS \"$ROOTFS_TARBALL\"" +$PSEUDO $PSEUDO_OPTS tar -C "$SDK_ROOTFS_DIR" $TAR_OPTS "$ROOTFS_TARBALL" + +DIRCHECK=`ls -l "$SDK_ROOTFS_DIR" | wc -l` +if [ "$DIRCHECK" -lt 5 ]; then + echo "Warning: I don't see many files in $SDK_ROOTFS_DIR" + echo "Please double-check the extraction worked as intended" + exit 0 +fi + +echo "SDK image successfully extracted to $SDK_ROOTFS_DIR" + +exit 0 |