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flash-sd.sh fixed. GPT table is now destroyed before re-partioning, thus avoiding backup table collisions.

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This commit is contained in:
Jacob Pease 2023-08-04 17:28:22 -05:00
parent 356a0dbdde
commit d4405da703
1 changed files with 19 additions and 12 deletions
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31
linux/sdcard/flash-sd.sh
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@ -1,7 +1,7 @@
#!/bin/bash
# Exit on any error (return code != 0)
set -e
# set -e
# Output colors
GREEN='\033[1;32m'
@ -11,10 +11,10 @@ NAME="$GREEN"${0:2}"$NC"
# File location variables
RISCV=/opt/riscv
IMAGES=/home/ross/repos/buildroot/output/images/
IMAGES=$RISCV/buildroot/output/images/
FW_JUMP=$IMAGES/fw_jump.bin
LINUX_KERNEL=$IMAGES/Image
DEVICE_TREE=$IMAGES/wally-artya7.dtb
DEVICE_TREE=$IMAGES/wally-vcu108.dtb
# Mount Directory
MNT_DIR=wallyimg
@ -61,12 +61,19 @@ echo -e "$NAME: Device tree block size: $DST_SIZE"
echo -e "$NAME: OpenSBI FW_JUMP block size: $FW_JUMP_SIZE"
echo -e "$NAME: Kernel block size: $KERNEL_SIZE"
read -p "Warning: " -n 1 -r
read -p "Warning: Doing this will replace all data on this card.\nContinue? y/n: " -n 1 -r
echo
if [[ $REPLY =~ ^[Yy]$ ]] ; then
# Make empty image
#echo -e "$NAME: Creating blank image"
#sudo dd if=/dev/zero of=$1 bs=4k conv=noerror status=progress && sync
DEVBASENAME=$(basename $1)
CHECKMOUNT=$(lsblk | grep "sdb4" | tr -s ' ' | cut -d' ' -f 7)
if [ ! -z $CHECKMOUNT ] ; then
sudo umount -v $CHECKMOUNT
fi
#Make empty image
echo -e "$NAME: Creating blank image"
sudo dd if=/dev/zero of=$1 bs=64k status=progress && sync
# GUID Partition Tables (GPT)
# ===============================================
@ -76,12 +83,10 @@ if [[ $REPLY =~ ^[Yy]$ ]] ; then
# to 1 sector boundaries I think? This would normally be set to 2048
# apparently.
# sudo sgdisk -g --clear --set-alignment=1 \
# --new=1:34:+$FW_JUMP_SIZE: --change-name=1:'opensbi' --typecode=1:2E54B353-1271-4842-806F-E436D6AF6985 \
# --new=2:$KERNEL_START:+$KERNEL_SIZE --change-name=2:'kernel' --typecode=2:3000 \
# --new=3:$FS_START:-0 --change-name=3:'filesystem' \
# $1
sudo sgdisk -z $1
sleep 1
echo -e "$NAME: Creating GUID Partition Table"
sudo sgdisk -g --clear --set-alignment=1 \
--new=1:34:+$DST_SIZE: --change-name=1:'fdt' \
@ -92,6 +97,8 @@ if [[ $REPLY =~ ^[Yy]$ ]] ; then
sudo partprobe $1
sleep 3
echo -e "$NAME: Copying binaries into their partitions."
DD_FLAGS="bs=4k iflag=fullblock oflag=direct conv=fsync status=progress"