Files
meta-tegra/recipes-core/initrdscripts/tegra-minimal-init/init-boot.sh
Matt Madison 106d558853 initrdscripts: updates for L4T R36.3
* More drivers are now kernel modules
* Switch from ECID to module serial number for
  forming USB device ID when flashing

Signed-off-by: Matt Madison <matt@madison.systems>
2024-05-30 12:13:39 -07:00

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#!/bin/sh
PATH=/sbin:/bin:/usr/sbin:/usr/bin
mount -t proc proc -o nosuid,nodev,noexec /proc
mount -t devtmpfs none -o nosuid /dev
mount -t sysfs sysfs -o nosuid,nodev,noexec /sys
mount -t efivarfs efivarfs -o nosuid,nodev,noexec /sys/firmware/efi/efivars
find /sys -name modalias | while read m; do
modalias=$(cat "$m")
modprobe -v "$modalias" 2> /dev/null
done
modprobe -v nvme
rootdev=""
opt="rw"
wait=""
fstype="auto"
[ ! -f /etc/platform-preboot ] || . /etc/platform-preboot
if [ -z "$rootdev" ]; then
for bootarg in `cat /proc/cmdline`; do
case "$bootarg" in
root=*) rootdev="${bootarg##root=}" ;;
ro) opt="ro" ;;
rootwait) wait="yes" ;;
rootfstype=*) fstype="${bootarg##rootfstype=}" ;;
esac
done
fi
if [ -n "$wait" -a ! -b "${rootdev}" ]; then
echo "Waiting for ${rootdev}..."
while true; do
test -b "${rootdev}" && break
sleep 0.1
done
fi
echo "Mounting ${rootdev}..."
[ -d /mnt ] || mkdir -p /mnt
count=0
while [ $count -lt 5 ]; do
if mount -t "${fstype}" -o "${opt}" "${rootdev}" /mnt; then
break
fi
sleep 1.0
count=`expr $count + 1`
done
[ $count -lt 5 ] || exec sh
[ ! -f /etc/platform-pre-switchroot ] || . /etc/platform-pre-switchroot
echo "Switching to rootfs on ${rootdev}..."
mount --move /sys /mnt/sys
mount --move /proc /mnt/proc
mount --move /dev /mnt/dev
exec switch_root /mnt /sbin/init