1 files changed, 48 insertions, 0 deletions

diff --git a/meta/recipes-core/initrdscripts/initramfs-framework/nfsrootfs b/meta/recipes-core/initrdscripts/initramfs-framework/nfsrootfs
new file mode 100644
index 0000000000..e67ee4c25d
--- /dev/null
+++ b/meta/recipes-core/initrdscripts/initramfs-framework/nfsrootfs
@@ -0,0 +1,48 @@
+#!/bin/sh
+
+nfsrootfs_enabled() {
+        if [ ${bootparam_root} != "/dev/nfs" ] || [ -z ${bootparam_nfsroot} ]; then
+                return 1
+        fi
+        return 0
+}
+
+nfsrootfs_run() {
+        local nfs_opts
+        local location
+        local flags
+        local server_ip
+
+        nfs_opts=""
+        if [ "${bootparam_nfsroot#*,}" != "${bootparam_nfsroot}" ]; then
+                nfs_opts="-o ${bootparam_nfsroot#*,}"
+        fi
+
+        location="${bootparam_nfsroot%%,*}"
+        if [ "${location#*:}" = "${location}" ]; then
+                # server-ip not given. Get server ip from ip option
+                server_ip=""
+                if [ "${bootparam_ip#*:}" != "${bootparam_ip}" ]; then
+                        server_ip=$(echo "$bootparam_ip" | cut -d: -f2)
+                fi
+
+                if [ -z "$server_ip" ]; then
+                        fatal "Server IP is not set. Update ip or nfsroot options."
+                fi
+                location=${server_ip}:${location}
+        fi
+
+        flags="-o nolock"
+        if [ -n "$bootparam_ro" ] && ! echo "$bootparam_rootflags" | grep -w -q "ro"; then
+                if [  -n "$bootparam_rootflags" ]; then
+                        bootparam_rootflags="$bootparam_rootflags,"
+                fi
+                bootparam_rootflags="${bootparam_rootflags}ro"
+        fi
+        if [ -n "$bootparam_rootflags" ]; then
+                flags="$flags -o $bootparam_rootflags"
+        fi
+
+        mount -t nfs ${flags} ${nfs_opts} ${location} ${ROOTFS_DIR}
+}
+