mirror of
https://github.com/openhwgroup/cvw
synced 2025-01-23 21:14:37 +00:00
111 lines
3.5 KiB
Bash
Executable File
111 lines
3.5 KiB
Bash
Executable File
#!/bin/bash
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# Exit on any error (return code != 0)
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set -e
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# Output colors
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GREEN='\033[1;32m'
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NC='\033[0m'
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NAME="$GREEN"${0:2}"$NC"
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# File location variables
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RISCV=/opt/riscv
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IMAGES=$RISCV/buildroot/output/images
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FW_JUMP=$IMAGES/fw_jump.bin
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LINUX_KERNEL=$IMAGES/Image
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DEVICE_TREE=$IMAGES/wally-vcu108.dtb
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# Mount Directory
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MNT_DIR=wallyimg
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if [ ! -z "$2" ] ; then
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MNT_DIR=$2
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fi
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# If images are not built, exit
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if [ ! -e $FW_JUMP ] || [ ! -e $LINUX_KERNEL ] ; then
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echo 'ERROR: Missing images in buildroot output directory.'
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echo ' Build images before running this script.'
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exit 1
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fi
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if [ ! -e $DEVICE_TREE ] ; then
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echo 'ERROR: Missing device tree file'
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exit 1
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fi
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# Size of OpenSBI and the Kernel in 512B blocks
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DST_SIZE=$(ls -la --block-size=512 $DEVICE_TREE | cut -d' ' -f 5 )
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FW_JUMP_SIZE=$(ls -la --block-size=512 $FW_JUMP | cut -d' ' -f 5 )
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KERNEL_SIZE=$(ls -la --block-size=512 $LINUX_KERNEL | cut -d' ' -f 5 )
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# Start sectors of OpenSBI and Kernel Partitions
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FW_JUMP_START=$(( 34 + $DST_SIZE ))
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KERNEL_START=$(( $FW_JUMP_START + $FW_JUMP_SIZE ))
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FS_START=$(( $KERNEL_START + $KERNEL_SIZE ))
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# Print out the sizes of the binaries in 512B blocks
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echo -e "$NAME: Device tree block size: $DST_SIZE"
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echo -e "$NAME: OpenSBI FW_JUMP block size: $FW_JUMP_SIZE"
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echo -e "$NAME: Kernel block size: $KERNEL_SIZE"
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if [ ! -e $1 ] ; then
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# Make empty image
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echo -e "$NAME: Creating blank image"
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sudo dd if=/dev/zero of=$1 bs=1M count=1536
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# GUID Partition Tables (GPT)
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# ===============================================
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# -g Converts any existing mbr record to a gpt record
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# --clear clears any GPT partition table that already exists.
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# --set-alignment=1 that we want to align partition starting sectors
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# to 1 sector boundaries I think? This would normally be set to 2048
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# apparently.
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# sudo sgdisk -g --clear --set-alignment=1 \
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# --new=1:34:+$FW_JUMP_SIZE: --change-name=1:'opensbi' --typecode=1:2E54B353-1271-4842-806F-E436D6AF6985 \
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# --new=2:$KERNEL_START:+$KERNEL_SIZE --change-name=2:'kernel' --typecode=2:3000 \
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# --new=3:$FS_START:-0 --change-name=3:'filesystem' \
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# $1
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echo -e "$NAME: Creating GUID Partition Table"
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sudo sgdisk -g --clear --set-alignment=1 \
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--new=1:34:+$DST_SIZE: --change-name=1:'fdt' \
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--new=2:$FW_JUMP_START:+$FW_JUMP_SIZE --change-name=2:'opensbi' --typecode=1:2E54B353-1271-4842-806F-E436D6AF6985 \
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--new=3:$KERNEL_START:+$KERNEL_SIZE --change-name=3:'kernel' \
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--new=4:$FS_START:-0 --change-name=4:'filesystem' \
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$1
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LOOPDEVICE=$(sudo losetup -f)
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echo -e "$NAME: Loop device: $LOOPDEVICE"
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sudo losetup --partscan $LOOPDEVICE $1
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echo -e "$NAME: Copying binaries into their partitions."
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DD_FLAGS="bs=4k iflag=fullblock oflag=direct conv=fsync status=progress"
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# Store device tree in device tree partition
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echo -e "$NAME: Copying device tree"
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sudo dd if=$DEVICE_TREE of="$LOOPDEVICE"p1 $DD_FLAGS
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echo -e "$NAME: Copying OpenSBI"
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sudo dd if=$FW_JUMP of="$LOOPDEVICE"p2 $DD_FLAGS
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echo -e "$NAME: Copying Kernel"
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sudo dd if=$LINUX_KERNEL of="$LOOPDEVICE"p3 $DD_FLAGS
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sudo mkfs.ext4 "$LOOPDEVICE"p4
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sudo mkdir /mnt/$MNT_DIR
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sudo mount -v "$LOOPDEVICE"p4 /mnt/$MNT_DIR
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sudo umount -v /mnt/$MNT_DIR
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sudo rmdir /mnt/$MNT_DIR
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sudo losetup -d $LOOPDEVICE
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fi
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echo
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echo "GPT Information for $1 ==================================="
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sgdisk -p $1
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