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-rw-r--r--scripts/README-mkefi-agl.md16
-rwxr-xr-xscripts/mkefi-agl.sh132
2 files changed, 120 insertions, 28 deletions
diff --git a/scripts/README-mkefi-agl.md b/scripts/README-mkefi-agl.md
index f415747d8..db95f5ded 100644
--- a/scripts/README-mkefi-agl.md
+++ b/scripts/README-mkefi-agl.md
@@ -3,14 +3,14 @@ This script will install the AGL distribution on a removable device to boot on I
In particular it can create a USB or SD bootable support for (MinnowBoard)[www.minnowboard.org].
-Usage:
-
- mkefi-agl.sh [-v] HDDIMG REMOVABLE_DEVICE
- -v: verbose debug
- HDDIMG: the hddimg file to generate the efi disk from
- REMOVABLE_DEVICE: the block device to write the image to, e.g. /dev/sdh
-
-Example: `mkefi-agl.sh agl-demo-platform-intel-corei7-64.hddimg /dev/sdd`
+Usage: mkefi-agl.sh [-v] IDSK_IMAGE REMOVABLE_DEVICE
+ -v: Verbose debug
+ HDDIMG: The DISK_IMAGE file generated by Yocto the efi disk from
+ Supported formats are .hddimg, .wic .wic.xz
+ REMOVABLE_DEVICE: The block device to write the image to, e.g. /dev/sdh
+ex:
+ mkefi-agl.sh agl-demo-platform-intel-corei7-64.hddimg /dev/sdd
+ mkefi-agl.sh agl-demo-platform-intel-corei7-64.wic.xz /dev/sdd
## Documentation
Additional documentation: https://wiki.automotivelinux.org/agl-distro/developer_resources_intel
diff --git a/scripts/mkefi-agl.sh b/scripts/mkefi-agl.sh
index b933b190f..e3240a6e5 100755
--- a/scripts/mkefi-agl.sh
+++ b/scripts/mkefi-agl.sh
@@ -26,7 +26,7 @@
# - create a grub config with PARTUID to ease boot from various devices automaticaly
# - add a UEFI startup.nsh script for autoboot
# - does not allocate swap
-#
+# - accept .hddimg, wic and wic.xz as sources
LANG=C
@@ -39,6 +39,10 @@ exec 3>/dev/null
#
# 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
# Cleanup after die()
cleanup() {
@@ -47,13 +51,20 @@ cleanup() {
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"
+ 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 $TMPDIR"
+ rm -rf "$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
@@ -95,12 +106,14 @@ usage() {
echo "Install AGL on a removable device to boot on IA UEFI based computer"
echo "In particular is can create USB or SD bootable support for Minnowboard"
echo ""
- echo "Usage: $(basename $0) [-v] HDDIMG REMOVABLE_DEVICE"
+ echo "Usage: $(basename $0) [-v] IDSK_IMAGE REMOVABLE_DEVICE"
echo " -v: Verbose debug"
- echo " HDDIMG: The hddimg file to generate the efi disk from"
+ echo " HDDIMG: The DISK_IMAGE file generated by Yocto the efi disk from"
+ echo " Supported formats are .hddimg, .wic .wic.xz"
echo " REMOVABLE_DEVICE: The block device to write the image to, e.g. /dev/sdh"
echo "ex:"
echo " mkefi-agl.sh agl-demo-platform-intel-corei7-64.hddimg /dev/sdd"
+ echo " mkefi-agl.sh agl-demo-platform-intel-corei7-64.wic.xz /dev/sdd"
exit 1
}
@@ -198,11 +211,55 @@ fi
if [ ! -e "$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: $HDDIMG_EXT Supported format are .hddimg .wic wic.xz"
+ ;;
+esac
#
# Ensure the hddimg is not mounted
#
-unmount "$HDDIMG" || die "Failed to unmount $HDDIMG"
+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
@@ -217,8 +274,7 @@ device_details $(basename $DEVICE)
echo -n "${INFO}Prepare EFI image on $DEVICE [y/N]?${CLEAR} "
read RESPONSE
if [ "$RESPONSE" != "y" ]; then
- echo "Image creation aborted"
- exit 0
+ die "Image creation aborted"
fi
@@ -326,23 +382,55 @@ mkfs.ext4 -F $ROOTFS -L "ROOT" 1>&3 2>&1 || die "Failed to format $ROOTFS"
#
-# Installing to $DEVICE
+# Mounting image file system on loop devices
#
-debug "Mounting images and device in preparation for installation"
-mount -o loop $HDDIMG $HDDIMG_MNT 1>&3 2>&1 || error "Failed to mount $HDDIMG"
-mount -o loop $HDDIMG_MNT/rootfs.img $HDDIMG_ROOTFS_MNT 1>&3 2>&1 || error "Failed to mount rootfs.img"
-mount $ROOTFS $ROOTFS_MNT 1>&3 2>&1 || error "Failed to mount $ROOTFS on $ROOTFS_MNT"
-mount $BOOTFS $BOOTFS_MNT 1>&3 2>&1 || error "Failed to mount $BOOTFS on $BOOTFS_MNT"
+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 removable device
+ 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 $BOOTFS_MNT"
+
info "Preparing boot partition"
EFIDIR="$BOOTFS_MNT/EFI/BOOT"
-cp $HDDIMG_MNT/vmlinuz $BOOTFS_MNT 1>&3 2>&1 || error "Failed to copy vmlinuz"
-if [ -f $HDDIMG_MNT/initrd ]; then
- cp $HDDIMG_MNT/initrd $BOOTFS_MNT 1>&3 2>&1 || error "Failed to copy initrd"
+if [ -f $HDDIMG_MNT/vmlinuz ]; then
+ cp $HDDIMG_MNT/vmlinuz $BOOTFS_MNT 1>&3 2>&1 || die "Failed to copy vmlinuz"
+ KERNEL_TYPE="VMLINUZ"
+ debug "kernel is vmlinuz"
+fi
+if [ -f $HDDIMG_MNT/bzimage ]; then
+ cp $HDDIMG_MNT/bzimage $BOOTFS_MNT 1>&3 2>&1 || die "Failed to copy vmlinuz"
+ KERNEL_TYPE="BZIMAGE"
+ debug "kernel is bzimage"
fi
-echo "bootx64.efi" > $BOOTFS_MNT/startup.nsh || error "Failed to create startup.nsh"
+[ -z $KERNEL_TYPE ] && die "Linux kernel type in $HDDIMG is unsupported"
+
+if [ -f $HDDIMG_MNT/initrd ]
+ then
+ echo "initrd detected"
+ cp $HDDIMG_MNT/initrd $BOOTFS_MNT 1>&3 2>&1 || die "Failed to copy initrd"
+ else
+ warn "initrd missing"
+fi
+echo "bootx64.efi" > $BOOTFS_MNT/startup.nsh || die "Failed to create startup.nsh"
# Copy the efi loader and configs (booti*.efi and grub.cfg if it exists)
-cp -r $HDDIMG_MNT/EFI $BOOTFS_MNT 1>&3 2>&1 || error "Failed to copy EFI dir"
+cp -r $HDDIMG_MNT/EFI $BOOTFS_MNT 1>&3 2>&1 || die "Failed to copy EFI dir"
# Silently ignore a missing systemd-boot or gummiboot loader dir (we might just be a GRUB image)
cp -r $HDDIMG_MNT/loader $BOOTFS_MNT 1>&3 2>&1
@@ -393,7 +481,7 @@ if [ ! -e $GRUB_CFG ] && [ ! -e $SYSTEMDBOOT_CFG ] ; then
die "No EFI bootloader configuration found"
fi
-info "Copying ROOTFS files (this may take a while)"
+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"
@@ -401,6 +489,10 @@ else
cp -a $HDDIMG_ROOTFS_MNT/* $ROOTFS_MNT 1>&3 2>&1 || die "Root FS copy failed"
fi
+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