diff --git a/core/Makefile b/core/Makefile
index 1e081a5..c25a8a7 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -5186,6 +5186,20 @@
 vendorimage: $(INSTALLED_QEMU_VENDORIMAGE)
 droidcore: $(INSTALLED_QEMU_VENDORIMAGE)
 endif
+
+ifdef INSTALLED_RAMDISK_TARGET
+ifdef INSTALLED_VENDOR_BOOTIMAGE_TARGET
+ifdef INTERNAL_VENDOR_RAMDISK_TARGET
+INSTALLED_QEMU_RAMDISKIMAGE := $(PRODUCT_OUT)/ramdisk-qemu.img
+$(INSTALLED_QEMU_RAMDISKIMAGE): $(INTERNAL_VENDOR_RAMDISK_TARGET) $(INSTALLED_RAMDISK_TARGET)
+	@echo Create ramdisk-qemu.img
+	(cat $(INSTALLED_RAMDISK_TARGET) $(INTERNAL_VENDOR_RAMDISK_TARGET) > $(INSTALLED_QEMU_RAMDISKIMAGE))
+
+droidcore: $(INSTALLED_QEMU_RAMDISKIMAGE)
+endif
+endif
+endif
+
 ifdef INSTALLED_PRODUCTIMAGE_TARGET
 INSTALLED_QEMU_PRODUCTIMAGE := $(PRODUCT_OUT)/product-qemu.img
 $(INSTALLED_QEMU_PRODUCTIMAGE): $(INSTALLED_PRODUCTIMAGE_TARGET) $(MK_QEMU_IMAGE_SH) $(SGDISK_HOST) $(SIMG2IMG)
@@ -5323,6 +5337,7 @@
 	$(APPCOMPAT_ZIP) \
 	$(INSTALLED_SYSTEMIMAGE_TARGET) \
 	$(INSTALLED_QEMU_SYSTEMIMAGE) \
+	$(INSTALLED_QEMU_RAMDISKIMAGE) \
 	$(INSTALLED_QEMU_VENDORIMAGE) \
 	$(QEMU_VERIFIED_BOOT_PARAMS) \
 	$(INSTALLED_USERDATAIMAGE_TARGET) \
diff --git a/core/tasks/sdk-addon.mk b/core/tasks/sdk-addon.mk
index 7f777a5..5097f12 100644
--- a/core/tasks/sdk-addon.mk
+++ b/core/tasks/sdk-addon.mk
@@ -66,7 +66,7 @@
 files_to_copy += \
 	$(addon_dir_img):$(INSTALLED_QEMU_SYSTEMIMAGE):images/$(TARGET_CPU_ABI)/system.img \
 	$(addon_dir_img):$(INSTALLED_QEMU_VENDORIMAGE):images/$(TARGET_CPU_ABI)/vendor.img \
-	$(addon_dir_img):$(BUILT_RAMDISK_TARGET):images/$(TARGET_CPU_ABI)/ramdisk.img \
+	$(addon_dir_img):$(INSTALLED_QEMU_RAMDISKIMAGE):images/$(TARGET_CPU_ABI)/ramdisk.img \
 	$(addon_dir_img):$(PRODUCT_OUT)/system/build.prop:images/$(TARGET_CPU_ABI)/build.prop \
 	$(addon_dir_img):device/generic/goldfish/data/etc/userdata.img:images/$(TARGET_CPU_ABI)/userdata.img \
 	$(addon_dir_img):$(target_notice_file_txt):images/$(TARGET_CPU_ABI)/NOTICE.txt \
diff --git a/target/board/BoardConfigEmuCommon.mk b/target/board/BoardConfigEmuCommon.mk
index d11f9d2..a2e5518 100644
--- a/target/board/BoardConfigEmuCommon.mk
+++ b/target/board/BoardConfigEmuCommon.mk
@@ -74,6 +74,13 @@
   BOARD_VENDORIMAGE_PARTITION_SIZE := 146800640
 endif
 
+#vendor boot
+TARGET_NO_VENDOR_BOOT := false
+BOARD_INCLUDE_DTB_IN_BOOTIMG := false
+BOARD_BOOT_HEADER_VERSION := 3
+BOARD_MKBOOTIMG_ARGS += --header_version $(BOARD_BOOT_HEADER_VERSION)
+BOARD_VENDOR_BOOTIMAGE_PARTITION_SIZE := 0x06000000
+
 # Enable chain partition for system.
 BOARD_AVB_SYSTEM_KEY_PATH := external/avb/test/data/testkey_rsa2048.pem
 BOARD_AVB_SYSTEM_ALGORITHM := SHA256_RSA2048
diff --git a/target/board/generic_arm64/BoardConfig.mk b/target/board/generic_arm64/BoardConfig.mk
index a5264e4..8e28b5f 100644
--- a/target/board/generic_arm64/BoardConfig.mk
+++ b/target/board/generic_arm64/BoardConfig.mk
@@ -56,7 +56,7 @@
 include build/make/target/board/BoardConfigEmuCommon.mk
 
 TARGET_NO_KERNEL := false
-TARGET_NO_VENDOR_BOOT := true
+TARGET_NO_VENDOR_BOOT := false
 BOARD_USES_RECOVERY_AS_BOOT := true
 
 BOARD_BOOTIMAGE_PARTITION_SIZE := 0x02000000
diff --git a/target/product/aosp_arm64.mk b/target/product/aosp_arm64.mk
index 491397f..3f986d3 100644
--- a/target/product/aosp_arm64.mk
+++ b/target/product/aosp_arm64.mk
@@ -51,8 +51,9 @@
 $(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_product.mk)
 
 #
-# All components inherited here go to vendor image
+# All components inherited here go to vendor or vendor_boot image
 #
+$(call inherit-product-if-exists, device/generic/goldfish/arm64-vendor.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/product/emulator_vendor.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/board/generic_arm64/device.mk)
 
diff --git a/target/product/sdk_phone_arm64.mk b/target/product/sdk_phone_arm64.mk
index 9024890..ad72633 100644
--- a/target/product/sdk_phone_arm64.mk
+++ b/target/product/sdk_phone_arm64.mk
@@ -16,7 +16,6 @@
 QEMU_USE_SYSTEM_EXT_PARTITIONS := true
 
 $(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_arm64.mk)
-$(call inherit-product-if-exists, device/generic/goldfish/arm64-vendor.mk)
 
 # Define the host tools and libs that are parts of the SDK.
 $(call inherit-product, sdk/build/product_sdk.mk)