mirror of
https://github.com/openhwgroup/cvw
synced 2025-02-11 06:05:49 +00:00
128 lines
3.6 KiB
Bash
Executable File
128 lines
3.6 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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RED='\033[1;31m'
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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=$IMAGES/wally-vcu108.dtb
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# Mount Directory
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MNT_DIR=wallyimg
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if [ "$#" -eq "0" ] ; then
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echo "$NAME: $RED ERROR $NC: You must supply the SD card device."
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echo "usage: ./flash-sd.sh <sd device> <mount directory>"
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exit 1
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fi
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if [ ! -e "$1" ] ; then
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echo "$NAME:$RED ERROR $NC: SD card device does not exist."
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exit 1
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fi
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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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read -p "Warning: Doing this will replace all data on this card.\nContinue? y/n: " -n 1 -r
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echo
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if [[ $REPLY =~ ^[Yy]$ ]] ; then
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DEVBASENAME=$(basename $1)
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CHECKMOUNT=$(lsblk | grep "sdb4" | tr -s ' ' | cut -d' ' -f 7)
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if [ ! -z $CHECKMOUNT ] ; then
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sudo umount -v $CHECKMOUNT
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fi
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#Make empty image
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echo -e "$NAME: Creating blank image"
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sudo dd if=/dev/zero of=$1 bs=64k status=progress && sync
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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 -z $1
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sleep 1
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echo -e "$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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sudo partprobe $1
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sleep 3
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echo -e "$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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echo -e "$NAME: Copying device tree"
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sudo dd if=$DEVICE_TREE of="$1"1 $DD_FLAGS
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echo -e "$NAME: Copying OpenSBI"
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sudo dd if=$FW_JUMP of="$1"2 $DD_FLAGS
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echo -e "$NAME: Copying Kernel"
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sudo dd if=$LINUX_KERNEL of="$1"3 $DD_FLAGS
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sudo mkfs.ext4 "$1"4
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sudo mkdir /mnt/$MNT_DIR
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sudo mount -v "$1"4 /mnt/$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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sudo sgdisk -p $1
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