1 files changed, 44 insertions, 0 deletions
diff --git a/meta-tegra-extras/recipes-core/initrdscripts/tegra-minimal-init/init-boot.sh b/meta-tegra-extras/recipes-core/initrdscripts/tegra-minimal-init/init-boot.sh
new file mode 100644
index 00000000..3e43b607
--- /dev/null
+++ b/meta-tegra-extras/recipes-core/initrdscripts/tegra-minimal-init/init-boot.sh
@@ -0,0 +1,44 @@
+#!/bin/sh
+PATH=/sbin:/bin:/usr/sbin:/usr/bin
+mount -t proc proc /proc
+mount -t devtmpfs none /dev
+mount -t sysfs sysfs /sys
+
+rootdev=""
+opt="rw"
+wait=""
+nfsroot=""
+nfsopts=""
+for bootarg in `cat /proc/cmdline`; do
+    case "$bootarg" in
+    root=*) rootdev="${bootarg##root=}" ;;
+    nfsroot=*)
+            nfsroot=$(echo ${bootarg##nfsroot=} | cut -d ',' -f 1)
+            nfsopts=$(echo ${bootarg##nfsroot=} | cut -d ',' -f 2-)
+            nfsopts=${nfsopts##${nfsroot}}
+            ;;
+    ro) opt="ro" ;;
+    rootwait) wait="yes" ;;
+    esac
+done
+if [ -n "$wait" -a ! -b "${rootdev}" ]; then
+    echo "Waiting for ${rootdev}..."
+    count=0
+    while [ $count -lt 25 ]; do
+    test -b "${rootdev}" && break
+    sleep 0.1
+    count=`expr $count + 1`
+    done
+fi
+echo "Mounting ${rootdev}..."
+if [ "$rootdev" = "/dev/nfs" ]; then
+    echo "Using NFS to boot..."
+    mount -t nfs -o "${opt},${nfsopts}" "${nfsroot}" /mnt || exec sh
+else
+    mount -t ext4 -o "$opt" "${rootdev}" /mnt || exec sh
+fi
+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