diff --git a/Makefile b/Makefile
index 5b6a28971..2fd013e8d 100644
--- a/Makefile
+++ b/Makefile
@@ -22,6 +22,14 @@ TOOLS_OUT := $(ROOT_OUT)/misc/tools
 DOC_OUT := $(ROOT_OUT)/doc
 BUILD_VERSION ?=
 BUILD_TAG ?=
+DEFAULT_MENU_CONFIG_FILE ?= $(T)/hypervisor/build/.config
+
+ifneq ($(BOARD_FILE),)
+    override BOARD_FILE := $(shell if [ -f $(BOARD_FILE) ]; then realpath $(BOARD_FILE); fi)
+endif
+ifneq ($(SCENARIO_FILE),)
+    override SCENARIO_FILE := $(shell if [ -f $(SCENARIO_FILE) ]; then realpath $(SCENARIO_FILE); fi)
+endif
 
 export TOOLS_OUT BOARD SCENARIO FIRMWARE RELEASE
 
@@ -29,13 +37,45 @@ export TOOLS_OUT BOARD SCENARIO FIRMWARE RELEASE
 all: hypervisor devicemodel tools
 
 ifeq ($(BOARD), apl-nuc)
-override BOARD := nuc6cayh
+  override BOARD := nuc6cayh
 else ifeq ($(BOARD), kbl-nuc-i7)
-override BOARD := nuc7i7dnb
+  override BOARD := nuc7i7dnb
 endif
 
+#BOARD and SCENARIO definition priority:
+#  If we do menuconfig in advance, the menuconfig will define
+#     BOARD
+#     SCENARIO
+#  else if we have board/scenario file avaiable, BOARD and SCENARIO will be
+#     extracted from files.
+#  else if make comand has BORAD/SCENARIO parameters, BOARD and SCENARIO will
+#     be gotten from parameters
+#  else
+#     default value defined in this make file will be used
+#
+
 include $(T)/misc/acrn-config/library/cfg_update.mk
 
+ifeq ($(DEFAULT_MENU_CONFIG_FILE), $(wildcard $(DEFAULT_MENU_CONFIG_FILE)))
+  BOARD_IN_MENUCONFIG := $(shell grep CONFIG_BOARD= $(DEFAULT_MENU_CONFIG_FILE) | awk -F '"' '{print $$2}')
+  SCENARIO_IN_MENUCONFIG := $(shell grep -E "SDC=y|SDC2=y|INDUSTRY=y|LOGICAL_PARTITION=y" \
+           $(DEFAULT_MENU_CONFIG_FILE) | awk -F "_|=" '{print $$2}' | tr A-Z a-z)
+
+  RELEASE := $(shell grep CONFIG_RELEASE=y $(DEFAULT_MENU_CONFIG_FILE))
+  ifneq ($(RELEASE),)
+    override RELEASE := 1
+  endif
+
+  ifneq ($(BOARD_IN_MENUCONFIG),$(BOARD))
+    override BOARD := $(BOARD_IN_MENUCONFIG)
+  endif
+
+  ifneq ($(SCENARIO_IN_MENUCONFIG),$(SCENARIO))
+    override SCENARIO := $(SCENARIO_IN_MENUCONFIG)
+  endif
+
+endif
+
 #help functions to build acrn and install acrn/acrn symbols
 define build_acrn
 	$(MAKE) -C $(T)/hypervisor HV_OBJDIR=$(HV_OUT)-$(1)/$(2) BOARD=$(2) FIRMWARE=$(1) SCENARIO=$(4) RELEASE=$(RELEASE) clean
@@ -68,13 +108,19 @@ hypervisor:
 			&& [ "$(SCENARIO)" != "logical_partition" ] && [ "$(SCENARIO)" != "hybrid" ]; then \
 		echo "SCENARIO <$(SCENARIO)> is not supported. "; exit 1; \
 	fi
-	$(MAKE) -C $(T)/hypervisor HV_OBJDIR=$(HV_OUT) clean
-	$(MAKE) -C $(T)/hypervisor HV_OBJDIR=$(HV_OUT) defconfig
-	@if [ "$(CONFIG_XML_ENABLED)" = "true" ]; then \
-		echo "CONFIG_$(shell echo $(SCENARIO_IN_XML) | tr a-z A-Z)=y" >> $(HV_OUT)/.config;	\
-		echo "CONFIG_ENFORCE_VALIDATED_ACPI_INFO=y" >> $(HV_OUT)/.config;	\
-	elif [ "$(SCENARIO)" ]; then \
-		echo "CONFIG_$(shell echo $(SCENARIO) | tr a-z A-Z)=y" >> $(HV_OUT)/.config;	\
+	@if [ -f $(DEFAULT_MENU_CONFIG_FILE) ]; then \
+		echo "Find existing menuconfig file: $(DEFAULT_MENU_CONFIG_FILE), import hypervisor configuration from it..."; \
+		$(MAKE) -C $(T)/hypervisor HV_OBJDIR=$(HV_OUT) clean; \
+		mkdir -p $(HV_OUT) && cp $(DEFAULT_MENU_CONFIG_FILE) $(HV_OUT)/.config; \
+	else \
+		$(MAKE) -C $(T)/hypervisor HV_OBJDIR=$(HV_OUT) clean; \
+		$(MAKE) -C $(T)/hypervisor HV_OBJDIR=$(HV_OUT) defconfig; \
+		if [ "$(CONFIG_XML_ENABLED)" = "true" ]; then \
+			echo "CONFIG_$(shell echo $(SCENARIO_IN_XML) | tr a-z A-Z)=y" >> $(HV_OUT)/.config;	\
+			echo "CONFIG_ENFORCE_VALIDATED_ACPI_INFO=y" >> $(HV_OUT)/.config;	\
+		elif [ "$(SCENARIO)" ]; then \
+			echo "CONFIG_$(shell echo $(SCENARIO) | tr a-z A-Z)=y" >> $(HV_OUT)/.config;	\
+		fi \
 	fi
 	$(MAKE) -C $(T)/hypervisor HV_OBJDIR=$(HV_OUT)
 #ifeq ($(FIRMWARE),uefi)
diff --git a/misc/acrn-config/kconfig/silentoldconfig.py b/misc/acrn-config/kconfig/silentoldconfig.py
index 53541f2ed..eb7a7316b 100644
--- a/misc/acrn-config/kconfig/silentoldconfig.py
+++ b/misc/acrn-config/kconfig/silentoldconfig.py
@@ -97,7 +97,7 @@ def main():
             need_update = True
         else:
             # report an error if no known defconfig exists
-            sys.stderr.write(".config does not exist and no defconfig available.\n")
+            sys.stderr.write(".config does not exist and no defconfig available for BOARD %s.\n" % os.environ['BOARD'])
             sys.exit(1)
 
     # Update the old .config with those specified on cmdline