runqemu-internal: add support to boot arm64 qemu target via NFS

Add required boot parameters inorder to boot arm64 qemu
target via NFS

(From OE-Core rev: 0b614317b38b933a4845cd006b0ad734adfa559d)

Signed-off-by: Jagadeesh Krishnanjanappa <jkrishnanjanappa@mvista.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/scripts/runqemu-internal b/scripts/runqemu-internal
index bc2a3557a5..eff5ab4ea5 100755
--- a/scripts/runqemu-internal
+++ b/scripts/runqemu-internal
@@ -389,6 +389,15 @@ if [ "$MACHINE" = "qemuarm64" ]; then
         # qemu-system-aarch64 only support '-machine virt -cpu cortex-a57' for now
         QEMUOPTIONS="$QEMU_NETWORK_CMD -machine virt -cpu cortex-a57 $ROOTFS_OPTIONS $QEMU_UI_OPTIONS"
     fi
+    if [ "$FSTYPE" = "nfs" ]; then
+        if [ "$NFS_SERVER" = "192.168.7.1" -a ! -d "$NFS_DIR" ]; then
+            echo "Error: NFS mount point $ROOTFS doesn't exist"
+            cleanup
+            return 1
+        fi
+        KERNCMDLINE="root=/dev/nfs nfsroot=$NFS_SERVER:$NFS_DIR,$UNFS_OPTS rw console=ttyAMA0,38400 mem=$QEMU_MEMORY highres=off $KERNEL_NETWORK_CMD"
+        QEMUOPTIONS="$QEMU_NETWORK_CMD -machine virt -cpu cortex-a57 $QEMU_UI_OPTIONS"
+    fi
 fi