Adding mkabl to support MRB platforms (non signed kernel) and detection/rejection of configiguration with initrd=microcode.cpio

Change-Id: Iff7cbd34fb8abd0f0860fe183018a2d9a133614e
Signed-off-by: Dominig ar Foll Intel Open Source <dominig.arfoll@fridu.net>
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/12663
Tested-by: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
ci-image-build: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>

1 files changed, 504 insertions, 0 deletions

diff --git a/scripts/mkabl-agl.sh b/scripts/mkabl-agl.sh
new file mode 100755
index 000000000..a3d9ae37e
--- /dev/null
+++ b/scripts/mkabl-agl.sh
@@ -0,0 +1,504 @@
+#!/bin/sh
+#
+# Copyright (c) 2012, Intel Corporation.
+# All rights reserved.
+#
+# This program is free software;  you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# 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
+#
+# Modification from mkefidisk.sh provided by the Yocto project by Dominig
+# to install Automotive Grade Linux (AGL) on 
+# Intel platforms equipped with the Automotive Linux Boot (ABL)
+#
+# Dependencies:
+# Relies on the Intel iasImage tool to pakage the Kernel and the initrd in ABL format
+#
+# changes
+#         - simpler use model
+#         - keep initrd if present
+#         - does not allocate swap
+#         - accept .hddimg, wic and wic.xz as sources
+#
+
+LANG=C
+
+# Set to 1 to enable additional output
+DEBUG=0
+exec 3>/dev/null
+
+#
+# Defaults
+#
+# 100 Mb for the boot partition
+BOOT_SIZE=100
+# min available space on TMP_DIR for uncompressing xz image in kB e.g. 5G (5000000)
+TMP_SIZE_MIN=5000000
+# TMP_DIR directory use for holding image file for uncompression (e.g. /tmp or $HOME)
+TMP_DIR=/tmp
+#
+MRB_DEBUG_TTY="ttyS2,115200n8"
+MRB_HDMI="HDMI-A-1:e"
+#
+IAS_PATH=""
+IAS_EXE="ias_image_app"
+IAS_CMD_LINE=/tmp/iasCommandLine.cmd
+
+# Cleanup after die()
+cleanup() {
+	debug "Syncing and unmounting devices"
+	# Unmount anything we mounted
+	unmount $ROOTFS_MNT || error "Failed to unmount $ROOTFS_MNT"
+	unmount $BOOTFS_MNT || error "Failed to unmount $BOOTFS_MNT"
+	unmount $HDDIMG_ROOTFS_MNT || error "Failed to unmount $HDDIMG_ROOTFS_MNT"
+	unmount $HDDIMG_MNT || error "Failed to unmount $HDDIMG_MNT"
+	if [ "$IMG_TYPE" = "DISK" ]; then
+        debug "de-attaching loop devices"
+        for LOOP_DEVICE in `losetup --list |grep $HDDIMG | cut -d" " -f1` ; do
+           losetup -d $LOOP_DEVICE  1>&3 2>&1 || error "Detaching $LOOP_DEVICE from $HDDIMG failled"
+        done   
+     fi
+	# Remove the TMPDIR
+	debug "Removing temporary files"
+	if [ -d "$TMPDIR" ]; then
+		rm -rf $TMPDIR || error "Failed to remove $TMPDIR"
+	fi
+    [ -f "$TMP_DIR/TMP-AGL-wic-image.wic" ] || rm -f $TMP_DIR/TMP-AGL-wic-image.wic
+}
+
+trap 'die "Signal Received, Aborting..."' HUP INT TERM
+
+# Logging routines
+WARNINGS=0
+ERRORS=0
+CLEAR="$(tput sgr0)"
+INFO="$(tput bold)"
+RED="$(tput setaf 1)$(tput bold)"
+GREEN="$(tput setaf 2)$(tput bold)"
+YELLOW="$(tput setaf 3)$(tput bold)"
+info() {
+	echo "${INFO}$1${CLEAR}"
+}
+error() {
+	ERRORS=$((ERRORS+1))
+	echo "${RED}$1${CLEAR}"
+}
+warn() {
+	WARNINGS=$((WARNINGS+1))
+	echo "${YELLOW}$1${CLEAR}"
+}
+success() {
+	echo "${GREEN}$1${CLEAR}"
+}
+die() {
+	error "$1"
+	cleanup
+	exit 1
+}
+debug() {
+	if [ $DEBUG -eq 1 ]; then
+		echo "$1"
+	fi
+}
+
+usage() {
+	echo "Install AGL on a removable device to boot ABL based computer"
+        echo "ABL on the target must accept non signed development Linux kernel"
+	echo "In particular is can create USB or SD bootable support for Intel MRB"
+	echo ""
+	echo "Usage: $(basename $0) [-v] [-p path_to_iasImage_tool] HDDIMG REMOVABLE_DEVICE"
+	echo "       -v: Verbose debug"
+        echo "       path_to_iasImage_tool: path the iasImage tool provided by Intel."
+	echo "       HDDIMG: The hddimg file to generate the efi disk from"
+    echo "               Supported formats are .hddimg, .wic .wic.xz"
+	echo "       REMOVABLE_DEVICE: The block device to write the image to, e.g. /dev/sdh"
+	echo "ex:"
+	echo "   mkabl-agl.sh   agl-demo-platform-intel-corei7-64.wic.xz /dev/sdd"
+    echo "   mkabl-agl.sh   agl-demo-platform-intel-corei7-64.hddimg /dev/sdd"
+
+        echo "                  assuming that iasImage is accessible via your default path"
+	exit 1
+}
+
+image_details() {
+	IMG=$1
+	info "Image details"
+	echo "    image: $(stat --printf '%N\n' $IMG)"
+	echo "     size: $(stat -L --printf '%s bytes\n' $IMG)"
+	echo " modified: $(stat -L --printf '%y\n' $IMG)"
+	echo "     type: $(file -L -b $IMG)"
+	echo ""
+}
+
+device_details() {
+	DEV=$1
+	BLOCK_SIZE=512
+
+	info "Device details"
+	echo "  device: $DEVICE"
+	if [ -f "/sys/class/block/$DEV/device/vendor" ]; then
+		echo "  vendor: $(cat /sys/class/block/$DEV/device/vendor)"
+	else
+		echo "  vendor: UNKOWN"
+	fi
+	if [ -f "/sys/class/block/$DEV/device/model" ]; then
+		echo "   model: $(cat /sys/class/block/$DEV/device/model)"
+	else
+		echo "   model: UNKNOWN"
+	fi
+	if [ -f "/sys/class/block/$DEV/size" ]; then
+		echo "    size: $(($(cat /sys/class/block/$DEV/size) * $BLOCK_SIZE)) bytes"
+	else
+		echo "    size: UNKNOWN"
+	fi
+	echo ""
+}
+
+unmount_device() {
+	grep -q $DEVICE /proc/mounts
+	if [ $? -eq 0 ]; then
+		warn "$DEVICE listed in /proc/mounts, attempting to unmount"
+		umount $DEVICE* 2>/dev/null
+		! grep -q $DEVICE /proc/mounts && info "Unmounted successfully"
+		return $?
+	fi
+	return 0
+}
+
+unmount() {
+	if [ "$1" = "" ] ; then
+		return 0
+	fi
+	grep -q $1 /proc/mounts
+	if [ $? -eq 0 ]; then
+		debug "Unmounting $1"
+		umount $1
+		! grep -q $1 /proc/mounts # check if unmounted successfully
+		return $?
+	fi
+	return 0
+}
+
+#
+# Parse and validate arguments
+#
+
+if [ "$1" = "-v" ] ; then
+	DEBUG=1
+	exec 3>&1
+	shift
+fi
+
+if [ "$1" = "-p" ] ; then
+        IAS_PATH="$2""/"
+        shift 2
+fi
+
+if  [ $# -ne 2 ]; then
+        usage
+fi
+
+IAS_IMAGE_TOOL="$IAS_PATH$IAS_EXE"
+debug "iasImage tool is: $IAS_IMAGE_TOOL"
+which $IAS_IMAGE_TOOL > IAS_IMAGE_TOOL_PATH
+if  [ ! -x "$(command -v $IAS_IMAGE_TOOL)" ]; then
+   die "$IAS_IMAGE_TOOL not found pointed by the path via 'sudo; use -p option'"
+fi
+
+HDDIMG=$1
+DEVICE=$2
+
+LINK=$(readlink $DEVICE)
+if [ $? -eq 0 ]; then
+	DEVICE="$LINK"
+fi
+
+if [ ! -w "$DEVICE" ]; then
+	if [ ! -e "${DEVICE}" ] ; then
+		die "Device $DEVICE cannot be found"
+	else
+		die "Device $DEVICE is not writable (need to run under sudo?)"
+	fi
+fi
+
+if [ ! -e "$HDDIMG" ]; then
+	die "HDDIMG $HDDIMG does not exist"
+fi
+HDDIMG_EXT=${HDDIMG##*.}
+case $HDDIMG_EXT in
+  hddimg)
+     IMG_TYPE="MOUNT"
+     IMG_COMPRESS="NO"
+     debug "Detected: uncompressed image type .hddimg"
+     ;;
+  wic)
+     IMG_TYPE="DISK"
+     IMG_COMPRESS="NO"
+     debug "Detected: uncompressed image type .wic"
+     ;;
+  xz)
+     IMG_TYPE="DISK"
+     IMG_COMPRESS="YES"
+     debug "Detected: xz compressed image type .wic"
+     command -v xz >/dev/null 2>&1 || { die "xz command is not available, pleaes install xz package"; }
+     TMP_SIZE=`df -k $TMP_DIR | awk '/[0-9]%/{print $(NF-2)}'`
+     if [ "$TMP_SIZE" -lt "$TMP_SIZE_MIN" ]; then
+       die "Available space on $TMP_DIR must be at least $TMP_SIZE_MIN kB" 
+     fi
+     printf "Starting decompression of the image. It may take some time ..."
+     xz --decompress --keep --format=auto --force --threads=0 --stdout > $TMP_DIR/TMP-AGL-wic-image.wic  $HDDIMG|| \
+         die "xz command failled: xz --decompress --keep --format=auto --force --threads=0 --stdout > $TMP_DIR/TMP-AGL-wic-image.wic"
+     HDDIMG="$TMP_DIR/TMP-AGL-wic-image.wic"
+     echo "Image uncompressed, starting doing real work ..."
+     ;;
+  *)
+     die "Unsupported image format: $HDDIMG_EXT Supported format are .hddimg .wic wic.xz"
+     ;;
+esac
+#
+# Ensure the hddimg is not mounted
+#
+debug "will now try to umount /detach previous images"
+case $IMG_TYPE in
+  MOUNT)
+      unmount "$HDDIMG" || die "Failed to unmount $HDDIMG"
+      ;;
+  DISK)
+      [ `losetup --list |grep $HDDIMG | wc -l ` -gt 1 ] && die "Image mounted more than once, manual cleaning required see: losetup --list"
+      debug "ready to attach the wic image to aloop device"
+      LOOP_DEVICE=`losetup --find --show $HDDIMG`  && ( losetup -d $LOOP_DEVICE  1>&3 2>&1 || die "Detaching $LOOP_DEVICE from $HDDIMG failled")
+      ;;
+  *)
+      die "unknown image format $IMG_TYPE"
+      ;;
+esac
+#
+# Check if any $DEVICE partitions are mounted
+#
+unmount_device || die "Failed to unmount $DEVICE"
+
+#
+# Confirm device with user
+#
+image_details $HDDIMG
+device_details $(basename $DEVICE)
+echo -n "${INFO}Prepare ABL image on $DEVICE [y/N]?${CLEAR} "
+read RESPONSE
+if [ "$RESPONSE" != "y" ]; then
+	echo "Image creation aborted"
+	exit 0
+fi
+
+
+#
+# Prepare the temporary working space
+#
+TMPDIR=$(mktemp -d mkabldisk-XXX) || die "Failed to create temporary mounting directory."
+HDDIMG_MNT=$TMPDIR/hddimg
+debug "TEMPDIR is: $TMPDIR"
+HDDIMG_ROOTFS_MNT=$TMPDIR/hddimg_rootfs
+ROOTFS_MNT=$TMPDIR/rootfs
+BOOTFS_MNT=$TMPDIR/bootfs
+mkdir $HDDIMG_MNT || die "Failed to create $HDDIMG_MNT"
+mkdir $HDDIMG_ROOTFS_MNT || die "Failed to create $HDDIMG_ROOTFS_MNT"
+mkdir $ROOTFS_MNT || die "Failed to create $ROOTFS_MNT"
+mkdir $BOOTFS_MNT || die "Failed to create $BOOTFS_MNT"
+
+
+#
+# Partition $DEVICE
+#
+DEVICE_SIZE=$(parted -s $DEVICE unit mb print | grep ^Disk | cut -d" " -f 3 | sed -e "s/MB//")
+# If the device size is not reported there may not be a valid label
+if [ "$DEVICE_SIZE" = "" ] ; then
+	parted -s $DEVICE mklabel msdos || die "Failed to create MSDOS partition table"
+	DEVICE_SIZE=$(parted -s $DEVICE unit mb print | grep ^Disk | cut -d" " -f 3 | sed -e "s/MB//")
+fi
+ROOTFS_SIZE=$((DEVICE_SIZE-BOOT_SIZE))
+ROOTFS_START=$((BOOT_SIZE))
+ROOTFS_END=$((ROOTFS_START+ROOTFS_SIZE))
+
+# MMC devices use a partition prefix character 'p'
+PART_PREFIX=""
+if [ ! "${DEVICE#/dev/mmcblk}" = "${DEVICE}" ] || [ ! "${DEVICE#/dev/loop}" = "${DEVICE}" ]; then
+	PART_PREFIX="p"
+fi
+BOOTFS=$DEVICE${PART_PREFIX}1
+ROOTFS=$DEVICE${PART_PREFIX}2
+
+TARGET_PART_PREFIX=""
+if [ ! "${TARGET_DEVICE#/dev/mmcblk}" = "${TARGET_DEVICE}" ]; then
+	TARGET_PART_PREFIX="p"
+fi
+TARGET_ROOTFS=$TARGET_DEVICE${TARGET_PART_PREFIX}2
+
+echo ""
+info "Boot partition size:   $BOOT_SIZE MB ($BOOTFS)"
+info "ROOTFS partition size: $ROOTFS_SIZE MB ($ROOTFS)"
+echo ""
+
+# Use MSDOS by default as GPT cannot be reliably distributed in disk image form
+# as it requires the backup table to be on the last block of the device, which
+# of course varies from device to device.
+
+info "Partitioning installation media ($DEVICE)"
+
+debug "Deleting partition table on $DEVICE"
+dd if=/dev/zero of=$DEVICE bs=512 count=2 1>&3 2>&1 || die "Failed to zero beginning of $DEVICE"
+
+debug "Creating new partition table (MSDOS) on $DEVICE"
+parted -s $DEVICE mklabel msdos 1>&3 2>&1 || die "Failed to create MSDOS partition table"
+
+debug "Creating boot partition on $BOOTFS"
+parted -s $DEVICE mkpart primary 0% $BOOT_SIZE 1>&3 2>&1 || die "Failed to create BOOT partition"
+
+debug "Enabling boot flag on $BOOTFS"
+parted -s $DEVICE set 1 boot on 1>&3 2>&1 || die "Failed to enable boot flag"
+
+debug "Creating ROOTFS partition on $ROOTFS"
+parted -s $DEVICE mkpart primary $ROOTFS_START $ROOTFS_END 1>&3 2>&1 || die "Failed to create ROOTFS partition"
+
+# as blkid does not provide PARTUUID on Ubuntu LTS 14.04 we myst hack via fdisk
+#ROOTFS_PARTUUID=$(blkid |grep -e "$ROOTFS" |sed -n 's/^.*PARTUUID=/PARTUUID=/p')
+export LC_ALL=C
+ROOTFS_DISKID=$(fdisk -l "$DEVICE" | grep -e "Disk identifier" | sed -n 's/^.*Disk identifier: 0x/PARTUUID=/p')
+if [ $ROOTFS_DISKID = "" ]; then
+    die "Failed to read DISKID"
+fi
+ROOTFS_PARTUUID="$ROOTFS_DISKID-02"
+debug "PARTUUID for ROOTFS is $ROOTFS_PARTUUID"
+
+if [ $DEBUG -eq 1 ]; then
+	parted -s $DEVICE print
+fi
+
+
+#
+# Check if any $DEVICE partitions are mounted after partitioning
+#
+unmount_device || die "Failed to unmount $DEVICE partitions"
+
+
+#
+# Format $DEVICE partitions
+#
+info "Formatting partitions"
+debug "Formatting $BOOTFS as ext2"
+mkfs.ext2 -F -F -L BOOT $BOOTFS  1>&3 2>&1 || die "Failed to format $BOOTFS"
+
+debug "Formatting $ROOTFS as ext4"
+mkfs.ext4 -F $ROOTFS -L "ROOT" 1>&3 2>&1 || die "Failed to format $ROOTFS"
+
+
+# Mounting image file system on loop devices
+#
+case $IMG_TYPE in
+
+  MOUNT) 
+     debug "Mounting images and device in preparation for installation"
+     mount -o loop $HDDIMG $HDDIMG_MNT 1>&3 2>&1 || die "Failed to mount $HDDIMG"
+     mount -o loop $HDDIMG_MNT/rootfs.img $HDDIMG_ROOTFS_MNT 1>&3 2>&1 || die "Failed to mount rootfs.img"
+     ;;
+  DISK)
+     debug "Attaching image and mounting partitions then device in preparation for installation"
+     LOOP_DEVICE=`losetup --find` || die "Failled to find an available loop device see: losetup --find"
+     losetup -P $LOOP_DEVICE $HDDIMG  1>&3 2>&1 || die "Attaching $LOOP_DEVICE from $HDDIMG failled"
+     mount "$LOOP_DEVICE"p2  $HDDIMG_ROOTFS_MNT 1>&3 2>&1 || die "Failed to mount $LOOP_DEVICEp1 on $HDDIMG_ROOTFS_MNT"
+     mount "$LOOP_DEVICE"p1  $HDDIMG_MNT       1>&3 2>&1 || die "Failed to mount $LOOP_DEVICEp2 on $HDDIMG_MNT"
+     ;;
+  *)
+      die "unknown image format $IMG_TYPE"
+      ;;
+esac
+
+mount $ROOTFS $ROOTFS_MNT 1>&3 2>&1 || die "Failed to mount $ROOTFS on $ROOTFS_MNT"
+mount $BOOTFS $BOOTFS_MNT 1>&3 2>&1 || die "Failed to mount $BOOTFS on $BOOTFS_MNT"
+
+info "Preparing boot partition"
+# create the config file for iasImage
+# Remove any existing root= kernel parameters and:
+# o Add a root= parameter with the target rootfs
+# o Specify ro so fsck can be run during boot
+# o Specify rootwait in case the target media is an asyncronous block device
+#   such as MMC or USB disks
+# o Specify "quiet" to minimize boot time when using slow serial consoles
+
+# iasImage command line file creation
+echo "root=$ROOTFS_PARTUUID"   > $IAS_CMD_LINE
+echo "console=$MRB_DEBUG_TTY" >> $IAS_CMD_LINE
+echo "earlycon=uart8250,mmio32,0xfc000000,115200n8" >> $IAS_CMD_LINE
+echo "rootwait" >> $IAS_CMD_LINE
+echo "video=$MRB_HDMI" >> $IAS_CMD_LINE
+echo "i915.enable_initial_modeset=1" >> $IAS_CMD_LINE
+debug "temp config for iasImage is $IAS_CMD_LINE"
+
+if [ -f $HDDIMG_MNT/vmlinuz ]; then
+   KERNEL_TYPE="vmlinuz"
+   debug "kernel is vmlinuz"
+fi
+if [ -f $HDDIMG_MNT/bzimage ]; then
+   KERNEL_TYPE="bzimage"
+   debug "kernel is bzimage -> vmlinuz"
+fi
+if [ -f $HDDIMG_MNT/microcode.cpio ]; then
+    die "initrd=microcode.cpio is not a supported configuration, change ycoto configuration or use an hddimg as source"
+fi
+[ -z $KERNEL_TYPE ] && die "Linux kernel type in $HDDIMG is unsupported"
+
+if [ -f $HDDIMG_MNT/initrd ]; 
+  then
+     info "creating ABL image with initramsfs"
+     debug "$IAS_IMAGE_TOOL -o  $BOOTFS_MNT/iasImage -i 0x30000 $IAS_CMD_LINE $HDDIMG_MNT/$KERNEL_TYPE $HDDIMG_MNT/initrd"
+     $IAS_IMAGE_TOOL -o  $BOOTFS_MNT/iasImage -i 0x30000 $IAS_CMD_LINE $HDDIMG_MNT/$KERNEL_TYPE $HDDIMG_MNT/initrd
+  else
+     info "creating ABL image without initramfs"
+     debug "$IAS_IMAGE_TOOL -o  $BOOTFS_MNT/iasImage -i 0x30000 $IAS_CMD_LINE $HDDIMG_MNT/$KERNEL_TYPE"
+     $IAS_IMAGE_TOOL -o  $BOOTFS_MNT/iasImage -i 0x30000 $IAS_CMD_LINE $HDDIMG_MNT/$KERNEL_TYPE
+fi     
+
+printf "Copying ROOTFS files ... "
+command -v rsync >/dev/null 2>&1 # check if rsync exists
+if [ $DEBUG -eq 1 ] && [ $? -eq 0 ]; then
+	rsync --info=progress2 -h -aHAXW --no-compress  $HDDIMG_ROOTFS_MNT/* $ROOTFS_MNT 1>&3 2>&1 || die "Root FS copy failed"
+else
+	cp -a $HDDIMG_ROOTFS_MNT/* $ROOTFS_MNT 1>&3 2>&1 || die "Root FS copy failed"
+fi
+
+debug "removing any swap entry in /etc/fstab"
+sed --in-place '/swap/d' $ROOTFS_MNT/etc/fstab 
+
+printf "flushing data on removable device. May take a while ... "
+sync --file-system $ROOTFS_MNT
+echo done
+
+# We dont want udev to mount our root device while we're booting...
+if [ -d $ROOTFS_MNT/etc/udev/ ] ; then
+	echo "$TARGET_DEVICE" >> $ROOTFS_MNT/etc/udev/mount.blacklist
+fi
+
+
+# Call cleanup to unmount devices and images and remove the TMPDIR
+cleanup
+
+echo ""
+if [ $WARNINGS -ne 0 ] && [ $ERRORS -eq 0 ]; then
+	echo "${YELLOW}Installation completed with warnings${CLEAR}"
+	echo "${YELLOW}Warnings: $WARNINGS${CLEAR}"
+elif [ $ERRORS -ne 0 ]; then
+	echo "${RED}Installation encountered errors${CLEAR}"
+	echo "${RED}Errors: $ERRORS${CLEAR}"
+	echo "${YELLOW}Warnings: $WARNINGS${CLEAR}"
+else
+	success "Installation completed successfully"
+fi
+echo ""