diff --git a/core/dex_preopt.mk b/core/dex_preopt.mk
index 5a32ee9..d43158e 100644
--- a/core/dex_preopt.mk
+++ b/core/dex_preopt.mk
@@ -13,7 +13,10 @@
 install-on-system-other = $(filter-out $(PRODUCT_DEXPREOPT_SPEED_APPS) $(PRODUCT_SYSTEM_SERVER_APPS),$(basename $(notdir $(filter $(foreach f,$(SYSTEM_OTHER_ODEX_FILTER),$(TARGET_OUT)/$(f)),$(1)))))
 endif
 
-include $(BUILD_SYSTEM)/dex_preopt_libart.mk
+# Install boot images. Note that there can be multiple.
+DEFAULT_DEX_PREOPT_INSTALLED_IMAGE :=
+$(TARGET_2ND_ARCH_VAR_PREFIX)DEFAULT_DEX_PREOPT_INSTALLED_IMAGE :=
+$(foreach my_boot_image_name,$(DEXPREOPT_IMAGE_NAMES),$(eval include $(BUILD_SYSTEM)/dex_preopt_libart.mk))
 
 boot_profile_jars_zip := $(PRODUCT_OUT)/boot_profile_jars.zip
 bootclasspath_jars := $(DEXPREOPT_BOOTCLASSPATH_DEX_FILES)
diff --git a/core/dex_preopt_config.mk b/core/dex_preopt_config.mk
index 72d3345..9bf2be8 100644
--- a/core/dex_preopt_config.mk
+++ b/core/dex_preopt_config.mk
@@ -91,6 +91,7 @@
   $(call add_json_bool, DisablePreopt,                      $(call invert_bool,$(filter true,$(WITH_DEXPREOPT))))
   $(call add_json_list, DisablePreoptModules,               $(DEXPREOPT_DISABLED_MODULES))
   $(call add_json_bool, OnlyPreoptBootImageAndSystemServer, $(filter true,$(WITH_DEXPREOPT_BOOT_IMG_AND_SYSTEM_SERVER_ONLY)))
+  $(call add_json_bool, GenerateApexImage,                  $(filter true,$(DEXPREOPT_GENERATE_APEX_IMAGE)))
   $(call add_json_bool, DontUncompressPrivAppsDex,          $(filter true,$(DONT_UNCOMPRESS_PRIV_APPS_DEXS)))
   $(call add_json_list, ModulesLoadedByPrivilegedModules,   $(PRODUCT_LOADED_BY_PRIVILEGED_MODULES))
   $(call add_json_bool, HasSystemOther,                     $(BOARD_USES_SYSTEM_OTHER_ODEX))
diff --git a/core/dex_preopt_libart.mk b/core/dex_preopt_libart.mk
index 2bfe881..edd82df 100644
--- a/core/dex_preopt_libart.mk
+++ b/core/dex_preopt_libart.mk
@@ -1,5 +1,7 @@
 ####################################
-# dexpreopt support for ART
+# ART boot image installation
+# Input variable:
+#   my_boot_image_name: the boot image to install
 #
 ####################################
 
@@ -10,7 +12,7 @@
 
 # Install primary arch vdex files into a shared location, and then symlink them to both the primary
 # and secondary arch directories.
-my_vdex_copy_pairs := $(DEXPREOPT_IMAGE_VDEX_BUILT_INSTALLED_$(TARGET_ARCH))
+my_vdex_copy_pairs := $(DEXPREOPT_IMAGE_VDEX_BUILT_INSTALLED_$(my_boot_image_name)_$(TARGET_ARCH))
 my_installed := $(foreach v,$(my_vdex_copy_pairs),$(PRODUCT_OUT)$(call word-colon,2,$(v)))
 $(firstword $(my_installed)): $(wordlist 2,9999,$(my_installed))
 
diff --git a/core/dex_preopt_libart_boot.mk b/core/dex_preopt_libart_boot.mk
index ec9aad7..34b8526 100644
--- a/core/dex_preopt_libart_boot.mk
+++ b/core/dex_preopt_libart_boot.mk
@@ -1,19 +1,21 @@
-# Rules to install boot.art built by dexpreopt_bootjars.go
+# Rules to install a boot image built by dexpreopt_bootjars.go
 # Input variables:
+#   my_boot_image_name: the boot image to install
 #   my_2nd_arch_prefix: indicates if this is to build for the 2nd arch.
 #   my_dexpreopt_image_extra_deps: extra dependencies to add on the installed boot.art
 
 # Install the boot images compiled by Soong
 # The first file (generally boot.art) is saved as DEFAULT_DEX_PREOPT_INSTALLED_IMAGE,
 # and the rest are added as dependencies of the first.
-my_installed := $(call copy-many-files,$(DEXPREOPT_IMAGE_BUILT_INSTALLED_$(TARGET_$(my_2nd_arch_prefix)ARCH)),$(PRODUCT_OUT))
+
+my_installed := $(call copy-many-files,$(DEXPREOPT_IMAGE_BUILT_INSTALLED_$(my_boot_image_name)_$(TARGET_$(my_2nd_arch_prefix)ARCH)),$(PRODUCT_OUT))
 $(firstword $(my_installed)): $(wordlist 2,9999,$(my_installed))
-$(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_INSTALLED_IMAGE := $(firstword $(my_installed))
+$(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_INSTALLED_IMAGE += $(firstword $(my_installed))
 
 # Install the unstripped boot images compiled by Soong into the symbols directory
 # The first file (generally boot.art) made a dependency of DEFAULT_DEX_PREOPT_INSTALLED_IMAGE,
 # and the rest are added as dependencies of the first.
-my_installed := $(call copy-many-files,$(DEXPREOPT_IMAGE_UNSTRIPPED_BUILT_INSTALLED_$(TARGET_$(my_2nd_arch_prefix)ARCH)),$(TARGET_OUT_UNSTRIPPED))
+my_installed := $(call copy-many-files,$(DEXPREOPT_IMAGE_UNSTRIPPED_BUILT_INSTALLED_$(my_boot_image_name)_$(TARGET_$(my_2nd_arch_prefix)ARCH)),$(TARGET_OUT_UNSTRIPPED))
 $(firstword $(my_installed)): $(wordlist 2,9999,$(my_installed))
 $($(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_INSTALLED_IMAGE): $(firstword $(my_installed))
 
diff --git a/core/dex_preopt_odex_install.mk b/core/dex_preopt_odex_install.mk
index bda871c..3d02cdc 100644
--- a/core/dex_preopt_odex_install.mk
+++ b/core/dex_preopt_odex_install.mk
@@ -150,13 +150,13 @@
     # #################################################
     # Odex for the 1st arch
     my_dexpreopt_archs += $(TARGET_ARCH)
-    my_dexpreopt_images += $(DEXPREOPT_IMAGE_$(TARGET_ARCH))
+    my_dexpreopt_images += $(DEXPREOPT_IMAGE_boot_$(TARGET_ARCH))
     # Odex for the 2nd arch
     ifdef TARGET_2ND_ARCH
       ifneq ($(TARGET_TRANSLATE_2ND_ARCH),true)
         ifneq (first,$(my_module_multilib))
           my_dexpreopt_archs += $(TARGET_2ND_ARCH)
-          my_dexpreopt_images += $(DEXPREOPT_IMAGE_$(TARGET_2ND_ARCH))
+          my_dexpreopt_images += $(DEXPREOPT_IMAGE_boot_$(TARGET_2ND_ARCH))
         endif  # my_module_multilib is not first.
       endif  # TARGET_TRANSLATE_2ND_ARCH not true
     endif  # TARGET_2ND_ARCH
@@ -166,13 +166,13 @@
     # Save the module multilib since setup_one_odex modifies it.
     my_2nd_arch_prefix := $(LOCAL_2ND_ARCH_VAR_PREFIX)
     my_dexpreopt_archs += $(TARGET_$(my_2nd_arch_prefix)ARCH)
-    my_dexpreopt_images += $(DEXPREOPT_IMAGE_$(TARGET_$(my_2nd_arch_prefix)ARCH))
+    my_dexpreopt_images += $(DEXPREOPT_IMAGE_boot_$(TARGET_$(my_2nd_arch_prefix)ARCH))
     ifdef TARGET_2ND_ARCH
       ifeq ($(my_module_multilib),both)
         # The non-preferred arch
         my_2nd_arch_prefix := $(if $(LOCAL_2ND_ARCH_VAR_PREFIX),,$(TARGET_2ND_ARCH_VAR_PREFIX))
         my_dexpreopt_archs += $(TARGET_$(my_2nd_arch_prefix)ARCH)
-        my_dexpreopt_images += $(DEXPREOPT_IMAGE_$(TARGET_$(my_2nd_arch_prefix)ARCH))
+        my_dexpreopt_images += $(DEXPREOPT_IMAGE_boot_$(TARGET_$(my_2nd_arch_prefix)ARCH))
       endif  # LOCAL_MULTILIB is both
     endif  # TARGET_2ND_ARCH
   endif  # LOCAL_MODULE_CLASS