diff --git a/poky/scripts/lib/wic/engine.py b/poky/scripts/lib/wic/engine.py
index ea600d2..ab33fa6 100644
--- a/poky/scripts/lib/wic/engine.py
+++ b/poky/scripts/lib/wic/engine.py
@@ -338,7 +338,7 @@
     def copy(self, src, pnum, path):
         """Copy partition image into wic image."""
         if self.partitions[pnum].fstype.startswith('ext'):
-            cmd = "printf 'cd {}\nwrite {} {}' | {} -w {}".\
+            cmd = "printf 'cd {}\nwrite {} {}\n' | {} -w {}".\
                       format(path, src, os.path.basename(src),
                              self.debugfs, self._get_part_image(pnum))
         else: # fat
diff --git a/poky/scripts/lib/wic/ksparser.py b/poky/scripts/lib/wic/ksparser.py
index 7e5a9c5..08baf76 100644
--- a/poky/scripts/lib/wic/ksparser.py
+++ b/poky/scripts/lib/wic/ksparser.py
@@ -28,14 +28,30 @@
 import os
 import shlex
 import logging
+import re
 
 from argparse import ArgumentParser, ArgumentError, ArgumentTypeError
 
 from wic.engine import find_canned
 from wic.partition import Partition
+from wic.misc import get_bitbake_var
 
 logger = logging.getLogger('wic')
 
+__expand_var_regexp__ = re.compile(r"\${[^{}@\n\t :]+}")
+
+def expand_line(line):
+    while True:
+        m = __expand_var_regexp__.search(line)
+        if not m:
+            return line
+        key = m.group()[2:-1]
+        val = get_bitbake_var(key)
+        if val is None:
+            logger.warning("cannot expand variable %s" % key)
+            return line
+        line = line[:m.start()] + val + line[m.end():]
+
 class KickStartError(Exception):
     """Custom exception."""
     pass
@@ -190,6 +206,7 @@
                 line = line.strip()
                 lineno += 1
                 if line and line[0] != '#':
+                    line = expand_line(line)
                     try:
                         line_args = shlex.split(line)
                         parsed = parser.parse_args(line_args)
diff --git a/poky/scripts/lib/wic/partition.py b/poky/scripts/lib/wic/partition.py
index 3da7e23..ca206ec 100644
--- a/poky/scripts/lib/wic/partition.py
+++ b/poky/scripts/lib/wic/partition.py
@@ -173,7 +173,7 @@
             # Split sourceparams string of the form key1=val1[,key2=val2,...]
             # into a dict.  Also accepts valueless keys i.e. without =
             splitted = self.sourceparams.split(',')
-            srcparams_dict = dict(par.split('=') for par in splitted if par)
+            srcparams_dict = dict(par.split('=', 1) for par in splitted if par)
 
         plugin = PluginMgr.get_plugins('source')[self.source]
         plugin.do_configure_partition(self, srcparams_dict, creator,
diff --git a/poky/scripts/lib/wic/plugins/source/bootimg-efi.py b/poky/scripts/lib/wic/plugins/source/bootimg-efi.py
index 0eb86a0..83a7e18 100644
--- a/poky/scripts/lib/wic/plugins/source/bootimg-efi.py
+++ b/poky/scripts/lib/wic/plugins/source/bootimg-efi.py
@@ -77,12 +77,13 @@
         if not custom_cfg:
             # Create grub configuration using parameters from wks file
             bootloader = creator.ks.bootloader
+            title = source_params.get('title')
 
             grubefi_conf = ""
             grubefi_conf += "serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1\n"
             grubefi_conf += "default=boot\n"
             grubefi_conf += "timeout=%s\n" % bootloader.timeout
-            grubefi_conf += "menuentry 'boot'{\n"
+            grubefi_conf += "menuentry '%s'{\n" % (title if title else "boot")
 
             kernel = "/bzImage"
 
@@ -152,9 +153,10 @@
         if not custom_cfg:
             # Create systemd-boot configuration using parameters from wks file
             kernel = "/bzImage"
+            title = source_params.get('title')
 
             boot_conf = ""
-            boot_conf += "title boot\n"
+            boot_conf += "title %s\n" % (title if title else "boot")
             boot_conf += "linux %s\n" % kernel
             boot_conf += "options LABEL=Boot root=%s %s\n" % \
                              (creator.rootdev, bootloader.append)