Merge "Remove webviewchromium from PRODUCT_BOOT_JARS." into lmp-dev
diff --git a/.gitignore b/.gitignore
index 0d20b64..c9b568f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 *.pyc
+*.swp
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 7175b0e..4e90c90 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -281,6 +281,8 @@
 # dalvik.vm.image-dex2oat-Xms, and dalvik.vm.image-dex2oat-Xmx
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/default.prop)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/recovery/root/default.prop)
+
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system)
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************
diff --git a/core/Makefile b/core/Makefile
index b81aac2..c556ed7 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -111,7 +111,14 @@
 
 # The string used to uniquely identify the combined build and product; used by the OTA server.
 ifeq (,$(strip $(BUILD_FINGERPRINT)))
-  BUILD_FINGERPRINT := $(PRODUCT_BRAND)/$(TARGET_PRODUCT)/$(TARGET_DEVICE):$(PLATFORM_VERSION)/$(BUILD_ID)/$(BUILD_NUMBER):$(TARGET_BUILD_VARIANT)/$(BUILD_VERSION_TAGS)
+  ifneq ($(filter eng.%,$(BUILD_NUMBER)),)
+    # Trim down BUILD_FINGERPRINT: the default BUILD_NUMBER makes it easily exceed
+    # the Android system property length limit (PROPERTY_VALUE_MAX=92).
+    BF_BUILD_NUMBER := $(USER)$(shell date +%m%d%H%M)
+  else
+    BF_BUILD_NUMBER := $(BUILD_NUMBER)
+  endif
+  BUILD_FINGERPRINT := $(PRODUCT_BRAND)/$(TARGET_PRODUCT)/$(TARGET_DEVICE):$(PLATFORM_VERSION)/$(BUILD_ID)/$(BF_BUILD_NUMBER):$(TARGET_BUILD_VARIANT)/$(BUILD_VERSION_TAGS)
 endif
 ifneq ($(words $(BUILD_FINGERPRINT)),1)
   $(error BUILD_FINGERPRINT cannot contain spaces: "$(BUILD_FINGERPRINT)")
@@ -236,6 +243,22 @@
 build_desc :=
 
 # -----------------------------------------------------------------
+# vendor build.prop
+#
+# For verifying that the vendor build is what we thing it is
+ifdef BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE
+INSTALLED_VENDOR_BUILD_PROP_TARGET := $(TARGET_OUT_VENDOR)/build.prop
+ALL_DEFAULT_INSTALLED_MODULES += $(INSTALLED_VENDOR_BUILD_PROP_TARGET)
+$(INSTALLED_VENDOR_BUILD_PROP_TARGET): $(INSTALLED_BUILD_PROP_TARGET)
+	@echo Target vendor buildinfo: $@
+	@mkdir -p $(dir $@)
+	$(hide) echo > $@
+	$(hide) echo ro.vendor.build.date=`date`>>$@
+	$(hide) echo ro.vendor.build.date.utc=`date +%s`>>$@
+	$(hide) echo ro.vendor.build.fingerprint="$(BUILD_FINGERPRINT)">>$@
+endif
+
+# -----------------------------------------------------------------
 # sdk-build.prop
 #
 # There are certain things in build.prop that we don't want to
@@ -1392,6 +1415,7 @@
 	$(hide) zipinfo -1 $@ | awk 'BEGIN { FS="BOOT/RAMDISK/" } /^BOOT\/RAMDISK\// {print $$2}' | $(HOST_OUT_EXECUTABLES)/fs_config -C -S $(SELINUX_FC) > $(zip_root)/META/boot_filesystem_config.txt
 	$(hide) zipinfo -1 $@ | awk 'BEGIN { FS="RECOVERY/RAMDISK/" } /^RECOVERY\/RAMDISK\// {print $$2}' | $(HOST_OUT_EXECUTABLES)/fs_config -C -S $(SELINUX_FC) > $(zip_root)/META/recovery_filesystem_config.txt
 	$(hide) (cd $(zip_root) && zip -q ../$(notdir $@) META/*filesystem_config.txt)
+	$(hide) ./build/tools/releasetools/add_img_to_target_files $@
 
 .PHONY: target-files-package
 target-files-package: $(BUILT_TARGET_FILES_PACKAGE)
@@ -1489,7 +1513,7 @@
 	@echo "Package apps: $@"
 	$(hide) rm -rf $@
 	$(hide) mkdir -p $(dir $@)
-	$(hide) zip -qj $@ $(TARGET_OUT_APPS)/* $(TARGET_OUT_APPS_PRIVILEGED)/*
+	$(hide) zip -qj $@ $(TARGET_OUT_APPS)/*/*.apk $(TARGET_OUT_APPS_PRIVILEGED)/*/*.apk
 
 
 #------------------------------------------------------------------
@@ -1594,7 +1618,6 @@
 ATREE_FILES := \
 	$(ALL_PREBUILT) \
 	$(ALL_COPIED_HEADERS) \
-	$(ALL_GENERATED_SOURCES) \
 	$(ALL_DEFAULT_INSTALLED_MODULES) \
 	$(INSTALLED_RAMDISK_TARGET) \
 	$(ALL_DOCS) \
diff --git a/core/base_rules.mk b/core/base_rules.mk
index a4f1360..7663ee2 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -176,9 +176,15 @@
   built_module_path := $(intermediates)
 endif
 LOCAL_BUILT_MODULE := $(built_module_path)/$(my_built_module_stem)
-built_module_path :=
 
 ifneq (true,$(LOCAL_UNINSTALLABLE_MODULE))
+  # Apk and its attachments reside in its own subdir.
+  ifeq ($(LOCAL_MODULE_CLASS),APPS)
+  # framework-res.apk doesn't like the additional layer.
+  ifneq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
+    my_module_path := $(my_module_path)/$(LOCAL_MODULE)
+  endif
+  endif
   LOCAL_INSTALLED_MODULE := $(my_module_path)/$(my_installed_module_stem)
 endif
 
@@ -200,12 +206,12 @@
 aidl_preprocess_import :=
 LOCAL_SDK_VERSION:=$(strip $(LOCAL_SDK_VERSION))
 ifdef LOCAL_SDK_VERSION
-ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),current)
+ifneq ($(filter current system_current, $(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS)),)
   # LOCAL_SDK_VERSION is current and no TARGET_BUILD_APPS
   aidl_preprocess_import := $(TARGET_OUT_COMMON_INTERMEDIATES)/framework.aidl
 else
   aidl_preprocess_import := $(HISTORICAL_SDK_VERSIONS_ROOT)/$(LOCAL_SDK_VERSION)/framework.aidl
-endif # !current
+endif # not current or system_current
 else
 # build against the platform.
 LOCAL_AIDL_INCLUDES += $(FRAMEWORKS_BASE_JAVA_SRC_DIRS)
@@ -388,9 +394,11 @@
 ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),current)
 # LOCAL_SDK_VERSION is current and no TARGET_BUILD_APPS.
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH := -bootclasspath $(call java-lib-files,android_stubs_current)
+else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),system_current)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH := -bootclasspath $(call java-lib-files,android_system_stubs_current)
 else
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH := -bootclasspath $(call java-lib-files,sdk_v$(LOCAL_SDK_VERSION))
-endif # current
+endif # current or system_current
 endif # LOCAL_SDK_VERSION
 endif # TARGET_
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_RESOURCE_DIR := $(LOCAL_RESOURCE_DIR)
diff --git a/core/binary.mk b/core/binary.mk
index be0776e..f5dac69 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -179,7 +179,6 @@
 ifneq ($(strip $(LOCAL_FDO_SUPPORT)),)
   ifeq ($(strip $(LOCAL_IS_HOST_MODULE)),)
     my_cflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_CFLAGS)
-    my_cppflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_CFLAGS)
     my_ldflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_CFLAGS)
   endif
 endif
diff --git a/core/clang/config.mk b/core/clang/config.mk
index 1de46f0..c1625f2 100644
--- a/core/clang/config.mk
+++ b/core/clang/config.mk
@@ -17,6 +17,17 @@
 CLANG_TBLGEN := $(HOST_OUT_EXECUTABLES)/clang-tblgen$(BUILD_EXECUTABLE_SUFFIX)
 LLVM_TBLGEN := $(HOST_OUT_EXECUTABLES)/llvm-tblgen$(BUILD_EXECUTABLE_SUFFIX)
 
+# The C/C++ compiler can be wrapped by setting the CC/CXX_WRAPPER vars.
+ifdef CC_WRAPPER
+  ifneq ($(CC_WRAPPER),$(firstword $(CLANG)))
+    CLANG := $(CC_WRAPPER) $(CLANG)
+  endif
+endif
+ifdef CXX_WRAPPER
+  ifneq ($(CXX_WRAPPER),$(firstword $(CLANG_CXX)))
+    CLANG_CXX := $(CXX_WRAPPER) $(CLANG_CXX)
+  endif
+endif
 
 # Clang flags for all host or target rules
 CLANG_CONFIG_EXTRA_ASFLAGS :=
diff --git a/core/cleanbuild.mk b/core/cleanbuild.mk
index 0932aa1..1bada38 100644
--- a/core/cleanbuild.mk
+++ b/core/cleanbuild.mk
@@ -214,6 +214,8 @@
 	$(PRODUCT_OUT)/recovery \
 	$(PRODUCT_OUT)/root \
 	$(PRODUCT_OUT)/system \
+	$(PRODUCT_OUT)/vendor \
+	$(PRODUCT_OUT)/oem \
 	$(PRODUCT_OUT)/dex_bootjars \
 	$(PRODUCT_OUT)/obj/JAVA_LIBRARIES \
 	$(PRODUCT_OUT)/obj/FAKE \
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 4fd2888..f23c4a6 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -23,6 +23,7 @@
 LOCAL_OVERRIDES_PACKAGES:=
 LOCAL_EXPORT_PACKAGE_RESOURCES:=
 LOCAL_MANIFEST_PACKAGE_NAME:=
+LOCAL_PACKAGE_SPLITS:=
 LOCAL_REQUIRED_MODULES:=
 LOCAL_ACP_UNAVAILABLE:=
 LOCAL_MODULE_TAGS:=
diff --git a/core/combo/HOST_linux-x86.mk b/core/combo/HOST_linux-x86.mk
index c931937..3ca7443 100644
--- a/core/combo/HOST_linux-x86.mk
+++ b/core/combo/HOST_linux-x86.mk
@@ -31,7 +31,7 @@
 $(combo_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.6/
 
 # We expect SSE3 floating point math.
-$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -mstackrealign -msse3 -mfpmath=sse -m32 -Wa,--noexecstack
+$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -mstackrealign -msse3 -mfpmath=sse -m32 -Wa,--noexecstack -march=prescott
 $(combo_2nd_arch_prefix)HOST_GLOBAL_LDFLAGS += -m32 -Wl,-z,noexecstack
 
 ifneq ($(strip $(BUILD_HOST_static)),)
diff --git a/core/combo/TARGET_linux-arm.mk b/core/combo/TARGET_linux-arm.mk
index 37c56dc..702a366 100644
--- a/core/combo/TARGET_linux-arm.mk
+++ b/core/combo/TARGET_linux-arm.mk
@@ -49,6 +49,7 @@
 endif
 
 include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
+include $(BUILD_SYSTEM)/combo/fdo.mk
 
 # You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
 ifeq ($(strip $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)),)
@@ -164,39 +165,8 @@
         $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) -print-libgcc-file-name)
 $(combo_2nd_arch_prefix)TARGET_LIBATOMIC := $(shell $($(combo_2nd_arch_prefix)TARGET_CC) \
         $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) -print-file-name=libatomic.a)
-target_libgcov := $(shell $($(combo_2nd_arch_prefix)TARGET_CC) $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) \
-        -print-file-name=libgcov.a)
 endif
 
-# Define FDO (Feedback Directed Optimization) options.
-
-$(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS:=
-$(combo_2nd_arch_prefix)TARGET_FDO_LIB:=
-
-ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),)
-  # Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation.
-  # The profile will be generated on /data/local/tmp/profile on the device.
-  $(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/profile -DANDROID_FDO
-  $(combo_2nd_arch_prefix)TARGET_FDO_LIB := $(target_libgcov)
-else
-  # If BUILD_FDO_INSTRUMENT is turned off, then consider doing the FDO optimizations.
-  # Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build.
-  ifeq ($(strip $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH)),)
-    $(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH := fdo/profiles/$(TARGET_$(combo_2nd_arch_prefix)ARCH)/$(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT)
-  else
-    ifeq ($(strip $(wildcard $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH))),)
-      $(warning Custom $(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH supplied, but directory does not exist. Turn off FDO.)
-    endif
-  endif
-
-  # If the FDO profile directory can't be found, then FDO is off.
-  ifneq ($(strip $(wildcard $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH))),)
-    $(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS := -fprofile-use=$($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH) -DANDROID_FDO
-    $(combo_2nd_arch_prefix)TARGET_FDO_LIB := $(target_libgcov)
-  endif
-endif
-
-
 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
 KERNEL_HEADERS_ARCH   := $(libc_root)/kernel/uapi/asm-$(TARGET_$(combo_2nd_arch_prefix)ARCH)
 KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
@@ -237,7 +207,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
@@ -264,7 +233,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
@@ -291,7 +259,6 @@
 	-Wl,--start-group \
 	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
 	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
 	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	-Wl,--end-group \
diff --git a/core/combo/TARGET_linux-arm64.mk b/core/combo/TARGET_linux-arm64.mk
index 02c4b99..e04329e 100644
--- a/core/combo/TARGET_linux-arm64.mk
+++ b/core/combo/TARGET_linux-arm64.mk
@@ -35,7 +35,7 @@
 endif
 
 # Decouple NDK library selection with platform compiler version
-TARGET_NDK_GCC_VERSION := 4.8
+TARGET_NDK_GCC_VERSION := 4.9
 
 ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
 TARGET_GCC_VERSION := 4.9
@@ -49,6 +49,7 @@
 endif
 
 include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
+include $(BUILD_SYSTEM)/combo/fdo.mk
 
 # You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
 ifeq ($(strip $(TARGET_TOOLS_PREFIX)),)
@@ -173,7 +174,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
@@ -200,7 +200,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
@@ -227,7 +226,6 @@
 	-Wl,--start-group \
 	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
 	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
 	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	-Wl,--end-group \
diff --git a/core/combo/TARGET_linux-mips.mk b/core/combo/TARGET_linux-mips.mk
index d702cc5..7a1f6c5 100644
--- a/core/combo/TARGET_linux-mips.mk
+++ b/core/combo/TARGET_linux-mips.mk
@@ -49,6 +49,7 @@
 endif
 
 include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
+include $(BUILD_SYSTEM)/combo/fdo.mk
 
 # You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
 ifeq ($(strip $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)),)
@@ -155,39 +156,8 @@
 ifneq ($(LIBGCC_EH),libgcc_eh.a)
   $(combo_2nd_arch_prefix)TARGET_LIBGCC += $(LIBGCC_EH)
 endif
-target_libgcov := $(shell $($(combo_2nd_arch_prefix)TARGET_CC) $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) \
-        --print-file-name=libgcov.a)
 endif
 
-# Define FDO (Feedback Directed Optimization) options.
-
-$(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS:=
-$(combo_2nd_arch_prefix)TARGET_FDO_LIB:=
-
-ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),)
-  # Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation.
-  # The profile will be generated on /data/local/tmp/profile on the device.
-  $(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/profile -DANDROID_FDO
-  $(combo_2nd_arch_prefix)TARGET_FDO_LIB := $(target_libgcov)
-else
-  # If BUILD_FDO_INSTRUMENT is turned off, then consider doing the FDO optimizations.
-  # Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build.
-  ifeq ($(strip $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH)),)
-    $(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH := fdo/profiles/$(TARGET_$(combo_2nd_arch_prefix)ARCH)/$(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT)
-  else
-    ifeq ($(strip $(wildcard $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH))),)
-      $(warning Custom $(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH supplied, but directory does not exist. Turn off FDO.)
-    endif
-  endif
-
-  # If the FDO profile directory can't be found, then FDO is off.
-  ifneq ($(strip $(wildcard $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH))),)
-    $(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS := -fprofile-use=$($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH) -DANDROID_FDO
-    $(combo_2nd_arch_prefix)TARGET_FDO_LIB := $(target_libgcov)
-  endif
-endif
-
-
 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
 KERNEL_HEADERS_ARCH   := $(libc_root)/kernel/uapi/asm-mips # mips covers both mips and mips64.
 KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
@@ -228,7 +198,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
@@ -255,7 +224,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
@@ -282,7 +250,6 @@
 	-Wl,--start-group \
 	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
 	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
 	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	-Wl,--end-group \
diff --git a/core/combo/TARGET_linux-mips64.mk b/core/combo/TARGET_linux-mips64.mk
index aa456ef..5c359de 100644
--- a/core/combo/TARGET_linux-mips64.mk
+++ b/core/combo/TARGET_linux-mips64.mk
@@ -52,6 +52,7 @@
 WITHOUT_TARGET_CLANG := true
 
 include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
+include $(BUILD_SYSTEM)/combo/fdo.mk
 
 # You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
 ifeq ($(strip $(TARGET_TOOLS_PREFIX)),)
@@ -159,39 +160,8 @@
 ifneq ($(LIBGCC_EH),libgcc_eh.a)
   TARGET_LIBGCC += $(LIBGCC_EH)
 endif
-target_libgcov := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \
-        --print-file-name=libgcov.a)
 endif
 
-# Define FDO (Feedback Directed Optimization) options.
-
-TARGET_FDO_CFLAGS:=
-TARGET_FDO_LIB:=
-
-ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),)
-  # Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation.
-  # The profile will be generated on /data/local/tmp/profile on the device.
-  TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/profile -DANDROID_FDO
-  TARGET_FDO_LIB := $(target_libgcov)
-else
-  # If BUILD_FDO_INSTRUMENT is turned off, then consider doing the FDO optimizations.
-  # Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build.
-  ifeq ($(strip $(TARGET_FDO_PROFILE_PATH)),)
-    TARGET_FDO_PROFILE_PATH := fdo/profiles/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT)
-  else
-    ifeq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),)
-      $(warning Custom TARGET_FDO_PROFILE_PATH supplied, but directory does not exist. Turn off FDO.)
-    endif
-  endif
-
-  # If the FDO profile directory can't be found, then FDO is off.
-  ifneq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),)
-    TARGET_FDO_CFLAGS := -fprofile-use=$(TARGET_FDO_PROFILE_PATH) -DANDROID_FDO
-    TARGET_FDO_LIB := $(target_libgcov)
-  endif
-endif
-
-
 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
 KERNEL_HEADERS_ARCH   := $(libc_root)/kernel/uapi/asm-mips
 # TODO: perhaps use $(libc_root)/kernel/uapi/asm-$(TARGET_ARCH) instead of asm-mips ?
@@ -235,7 +205,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
@@ -262,7 +231,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
@@ -289,7 +257,6 @@
 	-Wl,--start-group \
 	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
 	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
 	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	-Wl,--end-group \
diff --git a/core/combo/TARGET_linux-x86.mk b/core/combo/TARGET_linux-x86.mk
index 2ca99ef..3956603 100644
--- a/core/combo/TARGET_linux-x86.mk
+++ b/core/combo/TARGET_linux-x86.mk
@@ -41,7 +41,7 @@
 endif
 
 include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
-
+include $(BUILD_SYSTEM)/combo/fdo.mk
 
 # You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
 ifeq ($(strip $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)),)
@@ -62,8 +62,6 @@
 	$(shell $($(combo_2nd_arch_prefix)TARGET_CC) -m32 -print-file-name=libgcc.a)
 $(combo_2nd_arch_prefix)TARGET_LIBATOMIC := \
 	$(shell $($(combo_2nd_arch_prefix)TARGET_CC) -m32 -print-file-name=libatomic.a)
-target_libgcov := $(shell $($(combo_2nd_arch_prefix)TARGET_CC) $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) \
-	-print-file-name=libgcov.a)
 endif
 
 $(combo_2nd_arch_prefix)TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
@@ -72,34 +70,6 @@
 libm_root := bionic/libm
 libstdc++_root := bionic/libstdc++
 
-# Define FDO (Feedback Directed Optimization) options.
-
-$(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS:=
-$(combo_2nd_arch_prefix)TARGET_FDO_LIB:=
-
-ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),)
-  # Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation.
-  # The profile will be generated on /data/local/tmp/profile on the device.
-  $(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/profile -DANDROID_FDO
-  $(combo_2nd_arch_prefix)TARGET_FDO_LIB := $(target_libgcov)
-else
-  # If BUILD_FDO_INSTRUMENT is turned off, then consider doing the FDO optimizations.
-  # Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build.
-  ifeq ($(strip $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH)),)
-    $(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH := fdo/profiles/$(TARGET_$(combo_2nd_arch_prefix)ARCH)/$(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT)
-  else
-    ifeq ($(strip $(wildcard $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH))),)
-      $(warning Custom $(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH supplied, but directory does not exist. Turn off FDO.)
-    endif
-  endif
-
-  # If the FDO profile directory can't be found, then FDO is off.
-  ifneq ($(strip $(wildcard $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH))),)
-    $(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS := -fprofile-use=$($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH) -DANDROID_FDO
-    $(combo_2nd_arch_prefix)TARGET_FDO_LIB := $(target_libgcov)
-  endif
-endif
-
 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
 KERNEL_HEADERS_ARCH   := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64.
 KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
@@ -193,7 +163,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_LDFLAGS) \
@@ -220,7 +189,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_LDFLAGS) \
@@ -244,7 +212,6 @@
 	-Wl,--no-whole-archive \
 	-Wl,--start-group \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
 	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	-Wl,--end-group \
diff --git a/core/combo/TARGET_linux-x86_64.mk b/core/combo/TARGET_linux-x86_64.mk
index 9dbcc19..4f727a2 100644
--- a/core/combo/TARGET_linux-x86_64.mk
+++ b/core/combo/TARGET_linux-x86_64.mk
@@ -41,7 +41,7 @@
 endif
 
 include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
-
+include $(BUILD_SYSTEM)/combo/fdo.mk
 
 # You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
 ifeq ($(strip $(TARGET_TOOLS_PREFIX)),)
@@ -62,8 +62,6 @@
 	$(shell $(TARGET_CC) -m64 -print-file-name=libgcc.a)
 TARGET_LIBATOMIC := \
 	$(shell $(TARGET_CC) -m64 -print-file-name=libatomic.a)
-target_libgcov := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \
-	-print-file-name=libgcov.a)
 endif
 
 TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
@@ -72,34 +70,6 @@
 libm_root := bionic/libm
 libstdc++_root := bionic/libstdc++
 
-# Define FDO (Feedback Directed Optimization) options.
-
-TARGET_FDO_CFLAGS:=
-TARGET_FDO_LIB:=
-
-ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),)
-  # Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation.
-  # The profile will be generated on /data/local/tmp/profile on the device.
-  TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/profile -DANDROID_FDO
-  TARGET_FDO_LIB := $(target_libgcov)
-else
-  # If BUILD_FDO_INSTRUMENT is turned off, then consider doing the FDO optimizations.
-  # Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build.
-  ifeq ($(strip $(TARGET_FDO_PROFILE_PATH)),)
-    TARGET_FDO_PROFILE_PATH := fdo/profiles/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT)
-  else
-    ifeq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),)
-      $(warning Custom TARGET_FDO_PROFILE_PATH supplied, but directory does not exist. Turn off FDO.)
-    endif
-  endif
-
-  # If the FDO profile directory can't be found, then FDO is off.
-  ifneq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),)
-    TARGET_FDO_CFLAGS := -fprofile-use=$(TARGET_FDO_PROFILE_PATH) -DANDROID_FDO
-    TARGET_FDO_LIB := $(target_libgcov)
-  endif
-endif
-
 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
 KERNEL_HEADERS_ARCH   := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64.
 KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
@@ -197,7 +167,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_LDFLAGS) \
@@ -223,7 +192,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_LDFLAGS) \
@@ -247,7 +215,6 @@
 	-Wl,--no-whole-archive \
 	-Wl,--start-group \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
 	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	-Wl,--end-group \
diff --git a/core/combo/fdo.mk b/core/combo/fdo.mk
new file mode 100644
index 0000000..93d9a9c
--- /dev/null
+++ b/core/combo/fdo.mk
@@ -0,0 +1,38 @@
+#
+# Copyright (C) 2006 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# Setup FDO related flags.
+
+$(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS:=
+
+ifeq ($(strip $(BUILD_FDO_INSTRUMENT)), true)
+  # Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation.
+  # The profile will be generated on /sdcard/fdo_profile on the device.
+  $(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS := -fprofile-generate=/sdcard/fdo_profile -DANDROID_FDO
+else
+  ifeq ($(strip $(BUILD_FDO_OPTIMIZE)), true)
+    # Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build.
+    ifeq ($(strip $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH)),)
+      $(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH := fdo_profiles
+    endif
+
+    ifneq ($(strip $(wildcard $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH))),)
+      $(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS := -fprofile-use=$($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH) -DANDROID_FDO -fprofile-correction -Wcoverage-mismatch -Wno-error
+    else
+      $(warning Profile directory $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH) does not exist. Turn off FDO.)
+    endif
+  endif
+endif
diff --git a/core/combo/select.mk b/core/combo/select.mk
index e18cb1b..d495c6f 100644
--- a/core/combo/select.mk
+++ b/core/combo/select.mk
@@ -82,6 +82,10 @@
   # on a workstation.
   export CCACHE_BASEDIR := /
 
+  # Workaround for ccache with clang.
+  # See http://petereisentraut.blogspot.com/2011/09/ccache-and-clang-part-2.html
+  export CCACHE_CPP2 := true
+
   CCACHE_HOST_TAG := $(HOST_PREBUILT_TAG)
   # If we are cross-compiling Windows binaries on Linux
   # then use the linux ccache binary instead.
diff --git a/core/config.mk b/core/config.mk
index 0e612a7..716f88f 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -534,7 +534,7 @@
 
 # allow overriding default Java libraries on a per-target basis
 ifeq ($(TARGET_DEFAULT_JAVA_LIBRARIES),)
-  TARGET_DEFAULT_JAVA_LIBRARIES := core-libart core-junit ext framework framework2
+  TARGET_DEFAULT_JAVA_LIBRARIES := core-libart core-junit ext framework
 endif
 
 TARGET_CPU_SMP ?= true
@@ -587,6 +587,9 @@
     $(patsubst $(HISTORICAL_SDK_VERSIONS_ROOT)/%/android.jar,%, \
     $(wildcard $(HISTORICAL_SDK_VERSIONS_ROOT)/*/android.jar)))
 
+# We don't have prebuilt system_current SDK yet.
+TARGET_AVAILABLE_SDK_VERSIONS := system_current $(TARGET_AVAILABLE_SDK_VERSIONS)
+
 INTERNAL_PLATFORM_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/public_api.txt
 INTERNAL_PLATFORM_REMOVED_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/removed.txt
 INTERNAL_PLATFORM_SYSTEM_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/system-api.txt
diff --git a/core/definitions.mk b/core/definitions.mk
index d7c68f3..6656591 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -1689,7 +1689,7 @@
 define transform-classes.jar-to-dex
 @echo "target Dex: $(PRIVATE_MODULE)"
 @mkdir -p $(dir $@)
-$(hide) rm -f $(dir $@)/classes*.dex
+$(hide) rm -f $(dir $@)classes*.dex
 $(hide) $(DX) \
     $(if $(findstring windows,$(HOST_OS)),,-JXms16M -JXmx2048M) \
     --dex --output=$(dir $@) \
@@ -1762,7 +1762,7 @@
 
 #TODO: update the manifest to point to the dex file
 define add-dex-to-package
-$(hide) zip -qj $@ $(dir $(PRIVATE_DEX_FILE))/classes*.dex
+$(hide) zip -qj $@ $(dir $(PRIVATE_DEX_FILE))classes*.dex
 endef
 
 # Add java resources added by the current module.
diff --git a/core/dex_preopt_libart.mk b/core/dex_preopt_libart.mk
index 8fc0c67..2d9c518 100644
--- a/core/dex_preopt_libart.mk
+++ b/core/dex_preopt_libart.mk
@@ -20,12 +20,7 @@
 
 # start of image reserved address space
 LIBART_IMG_HOST_BASE_ADDRESS   := 0x60000000
-
-ifeq ($(TARGET_ARCH),mips)
-LIBART_IMG_TARGET_BASE_ADDRESS := 0x30000000
-else
 LIBART_IMG_TARGET_BASE_ADDRESS := 0x70000000
-endif
 
 define get-product-default-property
 $(strip $(patsubst $(1)=%,%,$(filter $(1)=%,$(PRODUCT_DEFAULT_PROPERTY_OVERRIDES))))
@@ -36,6 +31,17 @@
 DEX2OAT_XMS := $(call get-product-default-property,dalvik.vm.dex2oat-Xms)
 DEX2OAT_XMX := $(call get-product-default-property,dalvik.vm.dex2oat-Xmx)
 
+ifeq ($(TARGET_ARCH),mips)
+# MIPS specific overrides.
+# For MIPS the ART image is loaded at a lower address. This causes issues
+# with the image overlapping with memory on the host cross-compiling and
+# building the image. We therefore limit the Xmx value. This isn't done
+# via a property as we want the larger Xmx value if we're running on a
+# MIPS device.
+LIBART_IMG_TARGET_BASE_ADDRESS := 0x30000000
+DEX2OAT_XMX := 128m
+endif
+
 ########################################################################
 # The full system boot classpath
 
diff --git a/core/droiddoc.mk b/core/droiddoc.mk
index 655af9b..d3e61d5 100644
--- a/core/droiddoc.mk
+++ b/core/droiddoc.mk
@@ -64,12 +64,15 @@
     # Use android_stubs_current if LOCAL_SDK_VERSION is current and no TARGET_BUILD_APPS.
     LOCAL_JAVA_LIBRARIES := android_stubs_current $(LOCAL_JAVA_LIBRARIES)
     $(full_target): PRIVATE_BOOTCLASSPATH := $(call java-lib-files, android_stubs_current)
+  else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),system_current)
+    LOCAL_JAVA_LIBRARIES := android_system_stubs_current $(LOCAL_JAVA_LIBRARIES)
+    $(full_target): PRIVATE_BOOTCLASSPATH := $(call java-lib-files, android_system_stubs_current)
   else
     LOCAL_JAVA_LIBRARIES := sdk_v$(LOCAL_SDK_VERSION) $(LOCAL_JAVA_LIBRARIES)
     $(full_target): PRIVATE_BOOTCLASSPATH := $(call java-lib-files, sdk_v$(LOCAL_SDK_VERSION))
   endif
 else
-  LOCAL_JAVA_LIBRARIES := core-libart ext framework framework2 $(LOCAL_JAVA_LIBRARIES)
+  LOCAL_JAVA_LIBRARIES := core-libart ext framework $(LOCAL_JAVA_LIBRARIES)
   $(full_target): PRIVATE_BOOTCLASSPATH := $(call java-lib-files, core-libart)
 endif  # LOCAL_SDK_VERSION
 LOCAL_JAVA_LIBRARIES := $(sort $(LOCAL_JAVA_LIBRARIES))
diff --git a/core/envsetup.mk b/core/envsetup.mk
index fcbc91f..96044b3 100644
--- a/core/envsetup.mk
+++ b/core/envsetup.mk
@@ -119,12 +119,21 @@
 # Define them here so they can be used in product config files.
 TARGET_COPY_OUT_SYSTEM := system
 TARGET_COPY_OUT_DATA := data
-TARGET_COPY_OUT_VENDOR := system/vendor
 TARGET_COPY_OUT_OEM := oem
 TARGET_COPY_OUT_ROOT := root
 TARGET_COPY_OUT_RECOVERY := recovery
+###########################################
+# Define TARGET_COPY_OUT_VENDOR to a placeholder, for at this point
+# we don't know if the device wants to build a separate vendor.img
+# or just build vendor stuff into system.img.
+# A device can set up TARGET_COPY_OUT_VENDOR to "vendor" in its
+# BoardConfig.mk.
+# We'll substitute with the real value after loading BoardConfig.mk.
+_vendor_path_placeholder := ||VENDOR-PATH-PH||
+TARGET_COPY_OUT_VENDOR := $(_vendor_path_placeholder)
+###########################################
 
-# Read the product specs so we an get TARGET_DEVICE and other
+# Read the product specs so we can get TARGET_DEVICE and other
 # variables that we need in order to locate the output files.
 include $(BUILD_SYSTEM)/product_config.mk
 
@@ -157,6 +166,17 @@
 TARGET_DEVICE_DIR := $(patsubst %/,%,$(dir $(board_config_mk)))
 board_config_mk :=
 
+###########################################
+# Now we can substitute with the real value of TARGET_COPY_OUT_VENDOR
+ifeq ($(TARGET_COPY_OUT_VENDOR),$(_vendor_path_placeholder))
+TARGET_COPY_OUT_VENDOR := system/vendor
+else ifeq ($(filter vendor system/vendor,$(TARGET_COPY_OUT_VENDOR)),)
+$(error TARGET_COPY_OUT_VENDOR must be either 'vendor' or 'system/vendor', seeing '$(TARGET_COPY_OUT_VENDOR)'.)
+endif
+PRODUCT_COPY_FILES := $(subst $(_vendor_path_placeholder),$(TARGET_COPY_OUT_VENDOR),$(PRODUCT_COPY_FILES))
+###########################################
+
+
 # ---------------------------------------------------------------
 # Set up configuration for target machine.
 # The following must be set:
diff --git a/core/executable_internal.mk b/core/executable_internal.mk
index 2e380b6..ab4cf0e 100644
--- a/core/executable_internal.mk
+++ b/core/executable_internal.mk
@@ -28,7 +28,6 @@
 
 # Define PRIVATE_ variables from global vars
 my_target_global_ld_dirs := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_LD_DIRS)
-my_target_fdo_lib := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_LIB)
 my_target_libgcc := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBGCC)
 my_target_libatomic := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBATOMIC)
 my_target_crtbegin_dynamic_o := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_CRTBEGIN_DYNAMIC_O)
@@ -48,7 +47,6 @@
 endif
 $(linked_module): PRIVATE_TARGET_GLOBAL_LD_DIRS := $(my_target_global_ld_dirs)
 $(linked_module): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(my_target_global_ldflags)
-$(linked_module): PRIVATE_TARGET_FDO_LIB := $(my_target_fdo_lib)
 $(linked_module): PRIVATE_TARGET_LIBGCC := $(my_target_libgcc)
 $(linked_module): PRIVATE_TARGET_LIBATOMIC := $(my_target_libatomic)
 $(linked_module): PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O := $(my_target_crtbegin_dynamic_o)
diff --git a/core/install_jni_libs_internal.mk b/core/install_jni_libs_internal.mk
index eb90c50..944420b 100644
--- a/core/install_jni_libs_internal.mk
+++ b/core/install_jni_libs_internal.mk
@@ -18,7 +18,7 @@
           $(LOCAL_JNI_SHARED_LIBRARIES)))
 
 # App-specific lib path.
-my_app_lib_path :=  $($(my_2nd_arch_prefix)TARGET_OUT$(partition_tag)_SHARED_LIBRARIES)/$(basename $(my_installed_module_stem))
+my_app_lib_path := $(dir $(LOCAL_INSTALLED_MODULE))lib/$(TARGET_$(my_2nd_arch_prefix)ARCH)
 my_extracted_jni_libs :=
 
 ifdef my_embed_jni
@@ -54,16 +54,20 @@
 # The jni libaries will be installed to the system.img.
 my_jni_filenames := $(notdir $(my_jni_shared_libraries))
 # Make sure the JNI libraries get installed
-$(LOCAL_INSTALLED_MODULE) : | $(addprefix $($(my_2nd_arch_prefix)TARGET_OUT$(partition_tag)_SHARED_LIBRARIES)/, $(my_jni_filenames))
+my_shared_library_path := $($(my_2nd_arch_prefix)TARGET_OUT$(partition_tag)_SHARED_LIBRARIES)
+$(LOCAL_INSTALLED_MODULE) : | $(addprefix $(my_shared_library_path)/, $(my_jni_filenames))
 
 # Create symlink in the app specific lib path
 ifdef LOCAL_POST_INSTALL_CMD
 # Add a shell command separator
 LOCAL_POST_INSTALL_CMD += ;
 endif
+
+my_symlink_target_dir := $(patsubst $(PRODUCT_OUT)%,%,\
+    $(my_shared_library_path))
 LOCAL_POST_INSTALL_CMD += \
   mkdir -p $(my_app_lib_path) \
-  $(foreach lib, $(my_jni_filenames), ;ln -sf ../$(lib) $(my_app_lib_path)/$(lib))
+  $(foreach lib, $(my_jni_filenames), ;ln -sf $(my_symlink_target_dir)/$(lib) $(my_app_lib_path)/$(lib))
 $(LOCAL_INSTALLED_MODULE): PRIVATE_POST_INSTALL_CMD := $(LOCAL_POST_INSTALL_CMD)
 
 # Clear jni_shared_libraries to not embed it into the apk.
diff --git a/core/java.mk b/core/java.mk
index 8afa748..52d31d0 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -26,6 +26,8 @@
       ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),current)
         # Use android_stubs_current if LOCAL_SDK_VERSION is current and no TARGET_BUILD_APPS.
         LOCAL_JAVA_LIBRARIES := android_stubs_current $(LOCAL_JAVA_LIBRARIES)
+      else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),system_current)
+        LOCAL_JAVA_LIBRARIES := android_system_stubs_current $(LOCAL_JAVA_LIBRARIES)
       else
         LOCAL_JAVA_LIBRARIES := sdk_v$(LOCAL_SDK_VERSION) $(LOCAL_JAVA_LIBRARIES)
       endif
@@ -142,7 +144,7 @@
 else
 ifneq (,$(LOCAL_SDK_VERSION))
 # Set target-api for LOCAL_SDK_VERSIONs other than current.
-ifneq (,$(filter-out current, $(LOCAL_SDK_VERSION)))
+ifneq (,$(filter-out current system_current, $(LOCAL_SDK_VERSION)))
 renderscript_target_api := $(LOCAL_SDK_VERSION)
 endif
 endif  # LOCAL_SDK_VERSION is set
@@ -158,7 +160,7 @@
 renderscript_flags += $(LOCAL_RENDERSCRIPT_FLAGS)
 
 # prepend the RenderScript system include path
-ifneq ($(filter-out current,$(LOCAL_SDK_VERSION))$(if $(TARGET_BUILD_APPS),$(filter current,$(LOCAL_SDK_VERSION))),)
+ifneq ($(filter-out current system_current,$(LOCAL_SDK_VERSION))$(if $(TARGET_BUILD_APPS),$(filter current system_current,$(LOCAL_SDK_VERSION))),)
 # if a numeric LOCAL_SDK_VERSION, or current LOCAL_SDK_VERSION with TARGET_BUILD_APPS
 LOCAL_RENDERSCRIPT_INCLUDES := \
     $(HISTORICAL_SDK_VERSIONS_ROOT)/renderscript/clang-include \
diff --git a/core/package_internal.mk b/core/package_internal.mk
index 57b7b1f..0d6f9ea 100644
--- a/core/package_internal.mk
+++ b/core/package_internal.mk
@@ -68,6 +68,10 @@
 LOCAL_AAPT_FLAGS := $(LOCAL_AAPT_FLAGS) -z
 endif
 
+ifdef LOCAL_PACKAGE_SPLITS
+LOCAL_AAPT_FLAGS += $(addprefix --split ,$(LOCAL_PACKAGE_SPLITS))
+endif
+
 ifeq (,$(LOCAL_ASSET_DIR))
 LOCAL_ASSET_DIR := $(LOCAL_PATH)/assets
 endif
@@ -130,6 +134,7 @@
 endif
 
 LOCAL_BUILT_MODULE_STEM := package.apk
+LOCAL_INSTALLED_MODULE_STEM := $(LOCAL_MODULE).apk
 
 LOCAL_PROGUARD_ENABLED:=$(strip $(LOCAL_PROGUARD_ENABLED))
 ifndef LOCAL_PROGUARD_ENABLED
@@ -193,7 +198,7 @@
 
 $(LOCAL_INTERMEDIATE_TARGETS): \
     PRIVATE_ANDROID_MANIFEST := $(full_android_manifest)
-ifneq (,$(filter-out current, $(LOCAL_SDK_VERSION)))
+ifneq (,$(filter-out current system_current, $(LOCAL_SDK_VERSION)))
 $(LOCAL_INTERMEDIATE_TARGETS): \
     PRIVATE_DEFAULT_APP_TARGET_SDK := $(LOCAL_SDK_VERSION)
 else
@@ -281,7 +286,7 @@
 # Most packages should link against the resources defined by framework-res.
 # Even if they don't have their own resources, they may use framework
 # resources.
-ifneq ($(filter-out current,$(LOCAL_SDK_RES_VERSION))$(if $(TARGET_BUILD_APPS),$(filter current,$(LOCAL_SDK_RES_VERSION))),)
+ifneq ($(filter-out current system_current,$(LOCAL_SDK_RES_VERSION))$(if $(TARGET_BUILD_APPS),$(filter current system_current,$(LOCAL_SDK_RES_VERSION))),)
 # for released sdk versions, the platform resources were built into android.jar.
 framework_res_package_export := \
     $(HISTORICAL_SDK_VERSIONS_ROOT)/$(LOCAL_SDK_RES_VERSION)/android.jar
@@ -365,8 +370,12 @@
     $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_PREF_CONFIG :=
 else
     $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_CONFIG := $(PRODUCT_AAPT_CONFIG)
+ifdef LOCAL_PACKAGE_SPLITS
+    $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_PREF_CONFIG :=
+else
     $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_PREF_CONFIG := $(PRODUCT_AAPT_PREF_CONFIG)
 endif
+endif
 $(LOCAL_BUILT_MODULE): $(all_res_assets) $(jni_shared_libraries) $(full_android_manifest)
 	@echo "target Package: $(PRIVATE_MODULE) ($@)"
 	$(create-empty-package)
@@ -402,6 +411,42 @@
 	$(hide) rm $@.input
 endif
 
+###############################
+## APK splits
+ifdef LOCAL_PACKAGE_SPLITS
+# LOCAL_PACKAGE_SPLITS is a list of resource labels.
+built_apk_splits := $(foreach s,$(LOCAL_PACKAGE_SPLITS),$(built_module_path)/package_$(s).apk)
+installed_apk_splits := $(foreach s,$(LOCAL_PACKAGE_SPLITS),$(my_module_path)/$(LOCAL_MODULE)_$(s).apk)
+
+# The splits should have been built in the same command building the base apk.
+# This rule just runs signing and zipalign etc.
+# Note that we explicily check the existence of the split apk and remove the
+# built base apk if the split apk isn't there.
+# That way the build system will rerun the aapt after the user changes the splitting parameters.
+$(built_apk_splits): PRIVATE_PRIVATE_KEY := $(private_key)
+$(built_apk_splits): PRIVATE_CERTIFICATE := $(certificate)
+$(built_apk_splits) : $(built_module_path)/%.apk : $(LOCAL_BUILT_MODULE)
+	$(hide) if [ ! -f $@ ]; then \
+	  echo 'No $@ generated, check your apk splitting parameters.' 1>&2; \
+	  rm $<; exit 1; \
+	fi
+	$(sign-package)
+	$(align-package)
+
+# Rules to install the splits
+$(installed_apk_splits) : $(my_module_path)/$(LOCAL_MODULE)_%.apk : $(built_module_path)/package_%.apk | $(ACP)
+	@echo "Install: $@"
+	$(copy-file-to-new-target)
+
+# Register the additional built and installed files.
+ALL_MODULES.$(my_register_name).INSTALLED += $(installed_apk_splits)
+ALL_MODULES.$(my_register_name).BUILT_INSTALLED += \
+  $(foreach s,$(LOCAL_PACKAGE_SPLITS),$(built_module_path)/package_$(s).apk:$(my_module_path)/$(LOCAL_MODULE)_$(s).apk)
+
+# Make sure to install the splits when you run "make <module_name>".
+$(my_register_name): $(installed_apk_splits)
+endif # LOCAL_PACKAGE_SPLITS
+
 # Save information about this package
 PACKAGES.$(LOCAL_PACKAGE_NAME).OVERRIDES := $(strip $(LOCAL_OVERRIDES_PACKAGES))
 PACKAGES.$(LOCAL_PACKAGE_NAME).RESOURCE_FILES := $(all_resources)
diff --git a/core/pathmap.mk b/core/pathmap.mk
index a4a60fa..0e10ac1 100644
--- a/core/pathmap.mk
+++ b/core/pathmap.mk
@@ -118,11 +118,11 @@
         v17/leanback
 
 #
-# A list of all source roots under frameworks/support.
+# A list of all source roots under frameworks/multidex.
 #
 FRAMEWORKS_MULTIDEX_SUBDIRS := \
-        multidex \
-        multidex/instrumentation
+        multidex/library/src \
+        multidex/instrumentation/src
 
 #
 # A version of FRAMEWORKS_SUPPORT_SUBDIRS that is expanded to full paths from
@@ -130,12 +130,13 @@
 #
 FRAMEWORKS_SUPPORT_JAVA_SRC_DIRS := \
 	$(addprefix frameworks/support/,$(FRAMEWORKS_SUPPORT_SUBDIRS)) \
-        $(addprefix frameworks/,$(FRAMEWORKS_MULTIDEX_SUBDIRS))
+	$(addprefix frameworks/,$(FRAMEWORKS_MULTIDEX_SUBDIRS))
 
 #
 # A list of support library modules.
 #
 FRAMEWORKS_SUPPORT_JAVA_LIBRARIES := \
     $(foreach dir,$(FRAMEWORKS_SUPPORT_SUBDIRS),android-support-$(subst /,-,$(dir))) \
-    $(foreach dir,$(FRAMEWORKS_MULTIDEX_SUBDIRS),android-support-$(subst /,-,$(dir)))
+    android-support-multidex \
+    android-support-multidex-instrumentation
 
diff --git a/core/pdk_config.mk b/core/pdk_config.mk
index fd63820..838754f 100644
--- a/core/pdk_config.mk
+++ b/core/pdk_config.mk
@@ -57,7 +57,6 @@
 	target/common/obj/JAVA_LIBRARIES/core-junit_intermediates \
 	target/common/obj/JAVA_LIBRARIES/ext_intermediates \
 	target/common/obj/JAVA_LIBRARIES/framework_intermediates \
-	target/common/obj/JAVA_LIBRARIES/framework2_intermediates \
 	target/common/obj/JAVA_LIBRARIES/android.test.runner_intermediates \
 	target/common/obj/JAVA_LIBRARIES/telephony-common_intermediates \
 	target/common/obj/JAVA_LIBRARIES/voip-common_intermediates \
diff --git a/core/post_clean.mk b/core/post_clean.mk
index 9f15b6d..f7e654b 100644
--- a/core/post_clean.mk
+++ b/core/post_clean.mk
@@ -72,6 +72,7 @@
     $(shell echo 'AIDL_FILES.$(p) := $(ALL_MODULES.$(p).AIDL_FILES)' >> $(current_aidl_config)))\
   $(if $(filter-out $(ALL_MODULES.$(p).AIDL_FILES),$(AIDL_FILES.$(p))),\
     $(eval intermediates_to_clean += $(ALL_MODULES.$(p).INTERMEDIATE_SOURCE_DIR))))
+intermediates_to_clean := $(strip $(intermediates_to_clean))
 ifdef intermediates_to_clean
 $(info *** Obsolete aidl-generated files detected, clean intermediate files...)
 $(info *** rm -rf $(intermediates_to_clean))
diff --git a/core/prebuilt_internal.mk b/core/prebuilt_internal.mk
index 1ee9f9a..5666cfd 100644
--- a/core/prebuilt_internal.mk
+++ b/core/prebuilt_internal.mk
@@ -54,6 +54,11 @@
 endif
 endif
 
+ifeq ($(LOCAL_MODULE_CLASS),APPS)
+LOCAL_BUILT_MODULE_STEM := package.apk
+LOCAL_INSTALLED_MODULE_STEM := $(LOCAL_MODULE).apk
+endif
+
 ifeq ($(LOCAL_STRIP_MODULE),true)
   ifdef LOCAL_IS_HOST_MODULE
     $(error Cannot strip host module LOCAL_PATH=$(LOCAL_PATH))
@@ -182,6 +187,42 @@
 	$(call dexpreopt-one-file,$<,$@)
 endif
 
+###############################
+## Install split apks.
+ifdef LOCAL_PACKAGE_SPLITS
+# LOCAL_PACKAGE_SPLITS is a list of apks to be installed.
+built_apk_splits := $(addprefix $(built_module_path)/,$(notdir $(LOCAL_PACKAGE_SPLITS)))
+installed_apk_splits := $(addprefix $(my_module_path)/,$(notdir $(LOCAL_PACKAGE_SPLITS)))
+
+# Rules to sign and zipalign the split apks.
+my_src_dir := $(sort $(dir $(LOCAL_PACKAGE_SPLITS)))
+ifneq (1,$(words $(my_src_dir)))
+$(error You must put all the split source apks in the same folder: $(LOCAL_PACKAGE_SPLITS))
+endif
+my_src_dir := $(LOCAL_PATH)/$(my_src_dir)
+
+$(built_apk_splits) : PRIVATE_PRIVATE_KEY := $(LOCAL_CERTIFICATE).pk8
+$(built_apk_splits) : PRIVATE_CERTIFICATE := $(LOCAL_CERTIFICATE).x509.pem
+$(built_apk_splits) : $(built_module_path)/%.apk : $(my_src_dir)/%.apk | $(ACP)
+	$(copy-file-to-new-target)
+	$(sign-package)
+	$(align-package)
+
+# Rules to install the split apks.
+$(installed_apk_splits) : $(my_module_path)/%.apk : $(built_module_path)/%.apk | $(ACP)
+	@echo "Install: $@"
+	$(copy-file-to-new-target)
+
+# Register the additional built and installed files.
+ALL_MODULES.$(my_register_name).INSTALLED += $(installed_apk_splits)
+ALL_MODULES.$(my_register_name).BUILT_INSTALLED += \
+  $(foreach s,$(LOCAL_PACKAGE_SPLITS),$(built_module_path)/$(notdir $(s)):$(my_module_path)/$(notdir $(s)))
+
+# Make sure to install the splits when you run "make <module_name>".
+$(my_register_name): $(installed_apk_splits)
+
+endif # LOCAL_PACKAGE_SPLITS
+
 else # LOCAL_MODULE_CLASS != APPS
 ifneq ($(LOCAL_PREBUILT_STRIP_COMMENTS),)
 $(built_module) : $(my_prebuilt_src_file)
diff --git a/core/shared_library_internal.mk b/core/shared_library_internal.mk
index abef11f..c01be37 100644
--- a/core/shared_library_internal.mk
+++ b/core/shared_library_internal.mk
@@ -40,7 +40,6 @@
 
 # Define PRIVATE_ variables from global vars
 my_target_global_ld_dirs := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_LD_DIRS)
-my_target_fdo_lib := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_LIB)
 my_target_libgcc := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBGCC)
 my_target_libatomic := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBATOMIC)
 my_target_crtbegin_so_o := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_CRTBEGIN_SO_O)
@@ -58,7 +57,6 @@
 endif
 $(linked_module): PRIVATE_TARGET_GLOBAL_LD_DIRS := $(my_target_global_ld_dirs)
 $(linked_module): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(my_target_global_ldflags)
-$(linked_module): PRIVATE_TARGET_FDO_LIB := $(my_target_fdo_lib)
 $(linked_module): PRIVATE_TARGET_LIBGCC := $(my_target_libgcc)
 $(linked_module): PRIVATE_TARGET_LIBATOMIC := $(my_target_libatomic)
 $(linked_module): PRIVATE_TARGET_CRTBEGIN_SO_O := $(my_target_crtbegin_so_o)
diff --git a/core/static_java_library.mk b/core/static_java_library.mk
index 8e6029d..02078e0 100644
--- a/core/static_java_library.mk
+++ b/core/static_java_library.mk
@@ -78,7 +78,7 @@
 framework_res_package_export_deps :=
 # Please refer to package.mk
 ifneq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
-ifneq ($(filter-out current,$(LOCAL_SDK_RES_VERSION))$(if $(TARGET_BUILD_APPS),$(filter current,$(LOCAL_SDK_RES_VERSION))),)
+ifneq ($(filter-out current system_current,$(LOCAL_SDK_RES_VERSION))$(if $(TARGET_BUILD_APPS),$(filter current system_current,$(LOCAL_SDK_RES_VERSION))),)
 framework_res_package_export := \
     $(HISTORICAL_SDK_VERSIONS_ROOT)/$(LOCAL_SDK_RES_VERSION)/android.jar
 framework_res_package_export_deps := $(framework_res_package_export)
@@ -98,7 +98,7 @@
 $(R_file_stamp): PRIVATE_RESOURCE_PUBLICS_OUTPUT := $(intermediates.COMMON)/public_resources.xml
 $(R_file_stamp): PRIVATE_RESOURCE_DIR := $(LOCAL_RESOURCE_DIR)
 $(R_file_stamp): PRIVATE_AAPT_INCLUDES := $(framework_res_package_export)
-ifneq (,$(filter-out current, $(LOCAL_SDK_VERSION)))
+ifneq (,$(filter-out current system_current, $(LOCAL_SDK_VERSION)))
 $(R_file_stamp): PRIVATE_DEFAULT_APP_TARGET_SDK := $(LOCAL_SDK_VERSION)
 else
 $(R_file_stamp): PRIVATE_DEFAULT_APP_TARGET_SDK := $(DEFAULT_APP_TARGET_SDK)
diff --git a/core/tasks/cts.mk b/core/tasks/cts.mk
index 58bb235..82094b9 100644
--- a/core/tasks/cts.mk
+++ b/core/tasks/cts.mk
@@ -61,6 +61,7 @@
 
 
 CTS_TEST_JAR_LIST := \
+        cts-junit \
 	CtsJdwp
 
 # Depend on the full package paths rather than the phony targets to avoid
diff --git a/envsetup.sh b/envsetup.sh
index 36c6896..29e4c4c 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -1248,9 +1248,7 @@
     fi
 
     # issue "am" command to cause the hprof dump
-    local sdcard=$(adb ${adbOptions} shell echo -n '$EXTERNAL_STORAGE')
-    local devFile=$sdcard/hprof-$targetPid
-    #local devFile=/data/local/hprof-$targetPid
+    local devFile=/data/local/tmp/hprof-$targetPid
     echo "Poking $targetPid and waiting for data..."
     echo "Storing data at $devFile"
     adb ${adbOptions} shell am dumpheap $targetPid $devFile
diff --git a/target/product/AndroidProducts.mk b/target/product/AndroidProducts.mk
index bce5bb5..abb4d8c 100644
--- a/target/product/AndroidProducts.mk
+++ b/target/product/AndroidProducts.mk
@@ -61,10 +61,15 @@
     $(LOCAL_DIR)/aosp_x86_64.mk \
     $(LOCAL_DIR)/full_x86_64.mk \
     $(LOCAL_DIR)/vbox_x86.mk \
+    $(LOCAL_DIR)/sdk_phone_armv7.mk \
+    $(LOCAL_DIR)/sdk_phone_x86.mk \
+    $(LOCAL_DIR)/sdk_phone_mips.mk \
+    $(LOCAL_DIR)/sdk_phone_arm64.mk \
+    $(LOCAL_DIR)/sdk_phone_x86_64.mk \
+    $(LOCAL_DIR)/sdk_phone_mips64.mk \
     $(LOCAL_DIR)/sdk.mk \
     $(LOCAL_DIR)/sdk_x86.mk \
     $(LOCAL_DIR)/sdk_mips.mk \
     $(LOCAL_DIR)/sdk_arm64.mk \
-    $(LOCAL_DIR)/sdk_x86_64.mk \
-    $(LOCAL_DIR)/sdk_mips64.mk
+    $(LOCAL_DIR)/sdk_x86_64.mk
 endif
diff --git a/target/product/base.mk b/target/product/base.mk
index 981f965..3609d03 100644
--- a/target/product/base.mk
+++ b/target/product/base.mk
@@ -18,6 +18,7 @@
 PRODUCT_PACKAGES += \
     20-dns.conf \
     95-configured \
+    appwidget \
     am \
     android.policy \
     android.test.runner \
@@ -31,7 +32,6 @@
     dhcpcd-run-hooks \
     dnsmasq \
     framework \
-    framework2 \
     fsck_msdos \
     ime \
     input \
@@ -48,6 +48,7 @@
     libcamera_client \
     libcameraservice \
     libdl \
+    libdrmclearkeyplugin \
     libeffectproxy \
     libeffects \
     libinput \
diff --git a/target/product/core_base.mk b/target/product/core_base.mk
index f14e53d..6c29482 100644
--- a/target/product/core_base.mk
+++ b/target/product/core_base.mk
@@ -50,6 +50,7 @@
     libstagefright_soft_mp3dec \
     libstagefright_soft_mpeg4dec \
     libstagefright_soft_mpeg4enc \
+    libstagefright_soft_opusdec \
     libstagefright_soft_rawdec \
     libstagefright_soft_vorbisdec \
     libstagefright_soft_vpxdec \
diff --git a/target/product/core_minimal.mk b/target/product/core_minimal.mk
index 80df643..b0e3c5a 100644
--- a/target/product/core_minimal.mk
+++ b/target/product/core_minimal.mk
@@ -84,7 +84,6 @@
     bouncycastle \
     ext \
     framework \
-    framework2 \
     telephony-common \
     voip-common \
     ims-common \
diff --git a/target/product/core_tiny.mk b/target/product/core_tiny.mk
index 48abfa5..d6e4dc5 100644
--- a/target/product/core_tiny.mk
+++ b/target/product/core_tiny.mk
@@ -87,7 +87,6 @@
     bouncycastle \
     ext \
     framework \
-    framework2 \
     telephony-common \
     voip-common \
     ims-common \
diff --git a/target/product/languages_full.mk b/target/product/languages_full.mk
index 68220b3..6fb68be 100644
--- a/target/product/languages_full.mk
+++ b/target/product/languages_full.mk
@@ -21,4 +21,4 @@
 
 # These are all the locales that have translations and are displayable
 # by TextView in this branch.
-PRODUCT_LOCALES := en_US en_IN fr_FR it_IT es_ES et_EE de_DE nl_NL cs_CZ pl_PL ja_JP zh_TW zh_CN zh_HK ru_RU ko_KR nb_NO es_US da_DK el_GR tr_TR pt_PT pt_BR rm_CH sv_SE bg_BG ca_ES en_GB fi_FI hi_IN hr_HR hu_HU in_ID iw_IL lt_LT lv_LV ro_RO sk_SK sl_SI sr_RS uk_UA vi_VN tl_PH ar_EG fa_IR th_TH sw_TZ ms_MY af_ZA zu_ZA am_ET hi_IN en_XA ar_XB fr_CA km_KH lo_LA ne_NP si_LK mn_MN hy_AM az_AZ ka_GE my_MM mr_MH ml_KL is_IS mk_MK ky_KG eu_PV gl_GA bn_WB ta_IN kn_KA te_AP uz_UZ ur_PK kk_KZ
+PRODUCT_LOCALES := en_US en_IN fr_FR it_IT es_ES et_EE de_DE nl_NL cs_CZ pl_PL ja_JP zh_TW zh_CN zh_HK ru_RU ko_KR nb_NO es_US da_DK el_GR tr_TR pt_PT pt_BR rm_CH sv_SE bg_BG ca_ES en_GB fi_FI hi_IN hr_HR hu_HU in_ID iw_IL lt_LT lv_LV ro_RO sk_SK sl_SI sr_RS uk_UA vi_VN tl_PH ar_EG fa_IR th_TH sw_TZ ms_MY af_ZA zu_ZA am_ET hi_IN en_XA ar_XB fr_CA km_KH lo_LA ne_NP si_LK mn_MN hy_AM az_AZ ka_GE my_MM mr_IN ml_IN is_IS mk_MK ky_KG eu_ES gl_ES bn_BD ta_IN kn_IN te_IN uz_UZ ur_PK kk_KZ
diff --git a/target/product/sdk.mk b/target/product/sdk.mk
index d4f2355..96d8cc9 100644
--- a/target/product/sdk.mk
+++ b/target/product/sdk.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2007 The Android Open Source Project
+# Copyright (C) 2014 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -14,154 +14,8 @@
 # limitations under the License.
 #
 
-PRODUCT_PROPERTY_OVERRIDES :=
+# Don't modify this file - It's just an alias!
 
-PRODUCT_PACKAGES := \
-	ApiDemos \
-	CubeLiveWallpapers \
-	CustomLocale \
-	Development \
-	DevelopmentSettings \
-	Dialer \
-	EmulatorSmokeTests \
-	Fallback \
-	Gallery \
-	GestureBuilder \
-	LegacyCamera \
-	librs_jni \
-	libwnndict \
-	libWnnEngDic \
-	libWnnJpnDic \
-	LiveWallpapersPicker \
-	Mms \
-	Music \
-	OpenWnn \
-	PinyinIME \
-	Protips \
-	rild \
-	SdkSetup \
-	SmokeTest \
-	SmokeTestApp \
-	SoftKeyboard \
-	sqlite3 \
-	SystemUI \
-	WidgetPreview
+$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk_phone_armv7.mk)
 
-# Define the host tools and libs that are parts of the SDK.
--include sdk/build/product_sdk.mk
--include development/build/product_sdk.mk
-
-# audio libraries.
-PRODUCT_PACKAGES += \
-	audio.primary.goldfish \
-	audio_policy.default \
-	local_time.default
-
-PRODUCT_PACKAGE_OVERLAYS := development/sdk_overlay
-
-PRODUCT_COPY_FILES := \
-	device/generic/goldfish/data/etc/apns-conf.xml:system/etc/apns-conf.xml \
-	frameworks/base/data/sounds/effects/camera_click.ogg:system/media/audio/ui/camera_click.ogg \
-	frameworks/base/data/sounds/effects/VideoRecord.ogg:system/media/audio/ui/VideoRecord.ogg \
-	frameworks/native/data/etc/handheld_core_hardware.xml:system/etc/permissions/handheld_core_hardware.xml \
-	device/generic/goldfish/camera/media_profiles.xml:system/etc/media_profiles.xml \
-	frameworks/av/media/libstagefright/data/media_codecs_google_audio.xml:system/etc/media_codecs_google_audio.xml \
-	frameworks/av/media/libstagefright/data/media_codecs_google_telephony.xml:system/etc/media_codecs_google_telephony.xml \
-	frameworks/av/media/libstagefright/data/media_codecs_google_video.xml:system/etc/media_codecs_google_video.xml \
-	device/generic/goldfish/camera/media_codecs.xml:system/etc/media_codecs.xml \
-	frameworks/native/data/etc/android.hardware.touchscreen.multitouch.jazzhand.xml:system/etc/permissions/android.hardware.touchscreen.multitouch.jazzhand.xml \
-	frameworks/native/data/etc/android.hardware.camera.autofocus.xml:system/etc/permissions/android.hardware.camera.autofocus.xml \
-	frameworks/av/media/libeffects/data/audio_effects.conf:system/etc/audio_effects.conf \
-	hardware/libhardware_legacy/audio/audio_policy.conf:system/etc/audio_policy.conf
-
-include $(SRC_TARGET_DIR)/product/emulator.mk
-
-$(call inherit-product-if-exists, frameworks/base/data/sounds/AllAudio.mk)
-$(call inherit-product-if-exists, frameworks/base/data/fonts/fonts.mk)
-$(call inherit-product-if-exists, external/google-fonts/dancing-script/fonts.mk)
-$(call inherit-product-if-exists, external/google-fonts/carrois-gothic-sc/fonts.mk)
-$(call inherit-product-if-exists, external/google-fonts/coming-soon/fonts.mk)
-$(call inherit-product-if-exists, external/noto-fonts/fonts.mk)
-$(call inherit-product-if-exists, external/naver-fonts/fonts.mk)
-$(call inherit-product-if-exists, frameworks/base/data/keyboards/keyboards.mk)
-$(call inherit-product-if-exists, frameworks/webview/chromium/chromium.mk)
-$(call inherit-product, $(SRC_TARGET_DIR)/product/core.mk)
-
-# include available languages for TTS in the system image
--include external/svox/pico/lang/PicoLangDeDeInSystem.mk
--include external/svox/pico/lang/PicoLangEnGBInSystem.mk
--include external/svox/pico/lang/PicoLangEnUsInSystem.mk
--include external/svox/pico/lang/PicoLangEsEsInSystem.mk
--include external/svox/pico/lang/PicoLangFrFrInSystem.mk
--include external/svox/pico/lang/PicoLangItItInSystem.mk
-
-# locale + densities. en_US is both first and in alphabetical order to
-# ensure this is the default locale.
-PRODUCT_LOCALES := \
-	en_US \
-	ldpi \
-	hdpi \
-	mdpi \
-	xhdpi \
-	ar_EG \
-	ar_IL \
-	bg_BG \
-	ca_ES \
-	cs_CZ \
-	da_DK \
-	de_AT \
-	de_CH \
-	de_DE \
-	de_LI \
-	el_GR \
-	en_AU \
-	en_CA \
-	en_GB \
-	en_IE \
-	en_IN \
-	en_NZ \
-	en_SG \
-	en_US \
-	en_ZA \
-	es_ES \
-	es_US \
-	fi_FI \
-	fr_BE \
-	fr_CA \
-	fr_CH \
-	fr_FR \
-	he_IL \
-	hi_IN \
-	hr_HR \
-	hu_HU \
-	id_ID \
-	it_CH \
-	it_IT \
-	ja_JP \
-	ko_KR \
-	lt_LT \
-	lv_LV \
-	nb_NO \
-	nl_BE \
-	nl_NL \
-	pl_PL \
-	pt_BR \
-	pt_PT \
-	ro_RO \
-	ru_RU \
-	sk_SK \
-	sl_SI \
-	sr_RS \
-	sv_SE \
-	th_TH \
-	tl_PH \
-	tr_TR \
-	uk_UA \
-	vi_VN \
-	zh_CN \
-	zh_TW
-
-# Overrides
-PRODUCT_BRAND := generic
 PRODUCT_NAME := sdk
-PRODUCT_DEVICE := generic
diff --git a/target/product/sdk_arm64.mk b/target/product/sdk_arm64.mk
index 9aa58b3..8bb38f4 100644
--- a/target/product/sdk_arm64.mk
+++ b/target/product/sdk_arm64.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2009 The Android Open Source Project
+# Copyright (C) 2014 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -14,16 +14,8 @@
 # limitations under the License.
 #
 
-# This is a build configuration for a full-featured build of the
-# Open-Source part of the tree. It's geared toward a US-centric
-# build quite specifically for the emulator, and might not be
-# entirely appropriate to inherit from for on-device configurations.
+# Don't modify this file - It's just an alias!
 
-$(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
-$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk_phone_arm64.mk)
 
-# Overrides
-PRODUCT_BRAND := generic_arm64
 PRODUCT_NAME := sdk_arm64
-PRODUCT_DEVICE := generic_arm64
-PRODUCT_MODEL := Android SDK built for arm64
diff --git a/target/product/sdk_base.mk b/target/product/sdk_base.mk
new file mode 100644
index 0000000..43fd736
--- /dev/null
+++ b/target/product/sdk_base.mk
@@ -0,0 +1,162 @@
+#
+# Copyright (C) 2007 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+PRODUCT_PROPERTY_OVERRIDES :=
+
+PRODUCT_PACKAGES := \
+	ApiDemos \
+	CubeLiveWallpapers \
+	CustomLocale \
+	Development \
+	DevelopmentSettings \
+	Dialer \
+	EmulatorSmokeTests \
+	Fallback \
+	Gallery \
+	GestureBuilder \
+	LegacyCamera \
+	librs_jni \
+	libwnndict \
+	libWnnEngDic \
+	libWnnJpnDic \
+	LiveWallpapersPicker \
+	Mms \
+	Music \
+	OpenWnn \
+	PinyinIME \
+	Protips \
+	rild \
+	SdkSetup \
+	SmokeTest \
+	SmokeTestApp \
+	SoftKeyboard \
+	sqlite3 \
+	SystemUI \
+	WidgetPreview
+
+# Define the host tools and libs that are parts of the SDK.
+-include sdk/build/product_sdk.mk
+-include development/build/product_sdk.mk
+
+# audio libraries.
+PRODUCT_PACKAGES += \
+	audio.primary.goldfish \
+	audio_policy.default \
+	local_time.default
+
+PRODUCT_PACKAGE_OVERLAYS := development/sdk_overlay
+
+PRODUCT_COPY_FILES := \
+	device/generic/goldfish/data/etc/apns-conf.xml:system/etc/apns-conf.xml \
+	frameworks/base/data/sounds/effects/camera_click.ogg:system/media/audio/ui/camera_click.ogg \
+	frameworks/base/data/sounds/effects/VideoRecord.ogg:system/media/audio/ui/VideoRecord.ogg \
+	frameworks/native/data/etc/handheld_core_hardware.xml:system/etc/permissions/handheld_core_hardware.xml \
+	device/generic/goldfish/camera/media_profiles.xml:system/etc/media_profiles.xml \
+	frameworks/av/media/libstagefright/data/media_codecs_google_audio.xml:system/etc/media_codecs_google_audio.xml \
+	frameworks/av/media/libstagefright/data/media_codecs_google_telephony.xml:system/etc/media_codecs_google_telephony.xml \
+	frameworks/av/media/libstagefright/data/media_codecs_google_video.xml:system/etc/media_codecs_google_video.xml \
+	device/generic/goldfish/camera/media_codecs.xml:system/etc/media_codecs.xml \
+	frameworks/native/data/etc/android.hardware.touchscreen.multitouch.jazzhand.xml:system/etc/permissions/android.hardware.touchscreen.multitouch.jazzhand.xml \
+	frameworks/native/data/etc/android.hardware.camera.autofocus.xml:system/etc/permissions/android.hardware.camera.autofocus.xml \
+	frameworks/av/media/libeffects/data/audio_effects.conf:system/etc/audio_effects.conf \
+	hardware/libhardware_legacy/audio/audio_policy.conf:system/etc/audio_policy.conf
+
+include $(SRC_TARGET_DIR)/product/emulator.mk
+
+$(call inherit-product-if-exists, frameworks/base/data/sounds/AllAudio.mk)
+$(call inherit-product-if-exists, frameworks/base/data/fonts/fonts.mk)
+$(call inherit-product-if-exists, external/google-fonts/dancing-script/fonts.mk)
+$(call inherit-product-if-exists, external/google-fonts/carrois-gothic-sc/fonts.mk)
+$(call inherit-product-if-exists, external/google-fonts/coming-soon/fonts.mk)
+$(call inherit-product-if-exists, external/noto-fonts/fonts.mk)
+$(call inherit-product-if-exists, external/naver-fonts/fonts.mk)
+$(call inherit-product-if-exists, frameworks/base/data/keyboards/keyboards.mk)
+$(call inherit-product-if-exists, frameworks/webview/chromium/chromium.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/core.mk)
+
+# include available languages for TTS in the system image
+-include external/svox/pico/lang/PicoLangDeDeInSystem.mk
+-include external/svox/pico/lang/PicoLangEnGBInSystem.mk
+-include external/svox/pico/lang/PicoLangEnUsInSystem.mk
+-include external/svox/pico/lang/PicoLangEsEsInSystem.mk
+-include external/svox/pico/lang/PicoLangFrFrInSystem.mk
+-include external/svox/pico/lang/PicoLangItItInSystem.mk
+
+# locale + densities. en_US is both first and in alphabetical order to
+# ensure this is the default locale.
+PRODUCT_LOCALES := \
+	en_US \
+	ldpi \
+	hdpi \
+	mdpi \
+	xhdpi \
+	ar_EG \
+	ar_IL \
+	bg_BG \
+	ca_ES \
+	cs_CZ \
+	da_DK \
+	de_AT \
+	de_CH \
+	de_DE \
+	de_LI \
+	el_GR \
+	en_AU \
+	en_CA \
+	en_GB \
+	en_IE \
+	en_IN \
+	en_NZ \
+	en_SG \
+	en_US \
+	en_ZA \
+	es_ES \
+	es_US \
+	fi_FI \
+	fr_BE \
+	fr_CA \
+	fr_CH \
+	fr_FR \
+	he_IL \
+	hi_IN \
+	hr_HR \
+	hu_HU \
+	id_ID \
+	it_CH \
+	it_IT \
+	ja_JP \
+	ko_KR \
+	lt_LT \
+	lv_LV \
+	nb_NO \
+	nl_BE \
+	nl_NL \
+	pl_PL \
+	pt_BR \
+	pt_PT \
+	ro_RO \
+	ru_RU \
+	sk_SK \
+	sl_SI \
+	sr_RS \
+	sv_SE \
+	th_TH \
+	tl_PH \
+	tr_TR \
+	uk_UA \
+	vi_VN \
+	zh_CN \
+	zh_TW
diff --git a/target/product/sdk_mips.mk b/target/product/sdk_mips.mk
index 2072400..366994a 100644
--- a/target/product/sdk_mips.mk
+++ b/target/product/sdk_mips.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2012 The Android Open Source Project
+# Copyright (C) 2014 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -14,15 +14,8 @@
 # limitations under the License.
 #
 
-# This is a build configuration for a full-featured build of the
-# Open-Source part of the tree. It's geared toward a US-centric
-# build quite specifically for the emulator, and might not be
-# entirely appropriate to inherit from for on-device configurations.
+# Don't modify this file - It's just an alias!
 
-$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk_phone_mips.mk)
 
-# Overrides
-PRODUCT_BRAND := generic_mips
 PRODUCT_NAME := sdk_mips
-PRODUCT_DEVICE := generic_mips
-PRODUCT_MODEL := Android SDK for Mips
diff --git a/target/product/sdk_mips64.mk b/target/product/sdk_phone_arm64.mk
similarity index 82%
copy from target/product/sdk_mips64.mk
copy to target/product/sdk_phone_arm64.mk
index c46eaed..c501f14 100644
--- a/target/product/sdk_mips64.mk
+++ b/target/product/sdk_phone_arm64.mk
@@ -20,10 +20,10 @@
 # entirely appropriate to inherit from for on-device configurations.
 
 $(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
-$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk_base.mk)
 
 # Overrides
-PRODUCT_BRAND := generic_mips64
-PRODUCT_NAME := sdk_mips64
-PRODUCT_DEVICE := generic_mips64
-PRODUCT_MODEL := Android SDK built for mips64
+PRODUCT_BRAND := generic_arm64
+PRODUCT_NAME := sdk_phone_arm64
+PRODUCT_DEVICE := generic_arm64
+PRODUCT_MODEL := Android SDK built for arm64
diff --git a/target/product/sdk_phone_armv7.mk b/target/product/sdk_phone_armv7.mk
new file mode 100644
index 0000000..aeb4940
--- /dev/null
+++ b/target/product/sdk_phone_armv7.mk
@@ -0,0 +1,22 @@
+#
+# Copyright (C) 2007 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk_base.mk)
+
+# Overrides
+PRODUCT_BRAND := generic
+PRODUCT_NAME := sdk_phone_armv7
+PRODUCT_DEVICE := generic
diff --git a/target/product/sdk_mips64.mk b/target/product/sdk_phone_mips.mk
similarity index 72%
copy from target/product/sdk_mips64.mk
copy to target/product/sdk_phone_mips.mk
index c46eaed..818491f 100644
--- a/target/product/sdk_mips64.mk
+++ b/target/product/sdk_phone_mips.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2009 The Android Open Source Project
+# Copyright (C) 2012 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -19,11 +19,10 @@
 # build quite specifically for the emulator, and might not be
 # entirely appropriate to inherit from for on-device configurations.
 
-$(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
-$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk_base.mk)
 
 # Overrides
-PRODUCT_BRAND := generic_mips64
-PRODUCT_NAME := sdk_mips64
-PRODUCT_DEVICE := generic_mips64
-PRODUCT_MODEL := Android SDK built for mips64
+PRODUCT_BRAND := generic_mips
+PRODUCT_NAME := sdk_phone_mips
+PRODUCT_DEVICE := generic_mips
+PRODUCT_MODEL := Android SDK for Mips
diff --git a/target/product/sdk_mips64.mk b/target/product/sdk_phone_mips64.mk
similarity index 91%
rename from target/product/sdk_mips64.mk
rename to target/product/sdk_phone_mips64.mk
index c46eaed..afdb2a8 100644
--- a/target/product/sdk_mips64.mk
+++ b/target/product/sdk_phone_mips64.mk
@@ -20,10 +20,10 @@
 # entirely appropriate to inherit from for on-device configurations.
 
 $(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
-$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk_base.mk)
 
 # Overrides
 PRODUCT_BRAND := generic_mips64
-PRODUCT_NAME := sdk_mips64
+PRODUCT_NAME := sdk_phone_mips64
 PRODUCT_DEVICE := generic_mips64
 PRODUCT_MODEL := Android SDK built for mips64
diff --git a/target/product/sdk_mips64.mk b/target/product/sdk_phone_x86.mk
similarity index 76%
copy from target/product/sdk_mips64.mk
copy to target/product/sdk_phone_x86.mk
index c46eaed..95c49ab 100644
--- a/target/product/sdk_mips64.mk
+++ b/target/product/sdk_phone_x86.mk
@@ -19,11 +19,10 @@
 # build quite specifically for the emulator, and might not be
 # entirely appropriate to inherit from for on-device configurations.
 
-$(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
-$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk_base.mk)
 
 # Overrides
-PRODUCT_BRAND := generic_mips64
-PRODUCT_NAME := sdk_mips64
-PRODUCT_DEVICE := generic_mips64
-PRODUCT_MODEL := Android SDK built for mips64
+PRODUCT_BRAND := generic_x86
+PRODUCT_NAME := sdk_phone_x86
+PRODUCT_DEVICE := generic_x86
+PRODUCT_MODEL := Android SDK built for x86
diff --git a/target/product/sdk_mips64.mk b/target/product/sdk_phone_x86_64.mk
similarity index 81%
copy from target/product/sdk_mips64.mk
copy to target/product/sdk_phone_x86_64.mk
index c46eaed..69e37af 100644
--- a/target/product/sdk_mips64.mk
+++ b/target/product/sdk_phone_x86_64.mk
@@ -20,10 +20,10 @@
 # entirely appropriate to inherit from for on-device configurations.
 
 $(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
-$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk_base.mk)
 
 # Overrides
-PRODUCT_BRAND := generic_mips64
-PRODUCT_NAME := sdk_mips64
-PRODUCT_DEVICE := generic_mips64
-PRODUCT_MODEL := Android SDK built for mips64
+PRODUCT_BRAND := generic_x86_64
+PRODUCT_NAME := sdk_phone_x86_64
+PRODUCT_DEVICE := generic_x86_64
+PRODUCT_MODEL := Android SDK built for x86_64
diff --git a/target/product/sdk_x86.mk b/target/product/sdk_x86.mk
index 6c5e746..13ee57d 100644
--- a/target/product/sdk_x86.mk
+++ b/target/product/sdk_x86.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2009 The Android Open Source Project
+# Copyright (C) 2014 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -14,15 +14,8 @@
 # limitations under the License.
 #
 
-# This is a build configuration for a full-featured build of the
-# Open-Source part of the tree. It's geared toward a US-centric
-# build quite specifically for the emulator, and might not be
-# entirely appropriate to inherit from for on-device configurations.
+# Don't modify this file - It's just an alias!
 
-$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk_phone_x86.mk)
 
-# Overrides
-PRODUCT_BRAND := generic_x86
 PRODUCT_NAME := sdk_x86
-PRODUCT_DEVICE := generic_x86
-PRODUCT_MODEL := Android SDK built for x86
diff --git a/target/product/sdk_x86_64.mk b/target/product/sdk_x86_64.mk
index 62f2dbb..5f6553e 100644
--- a/target/product/sdk_x86_64.mk
+++ b/target/product/sdk_x86_64.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2009 The Android Open Source Project
+# Copyright (C) 2014 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -14,16 +14,8 @@
 # limitations under the License.
 #
 
-# This is a build configuration for a full-featured build of the
-# Open-Source part of the tree. It's geared toward a US-centric
-# build quite specifically for the emulator, and might not be
-# entirely appropriate to inherit from for on-device configurations.
+# Don't modify this file - It's just an alias!
 
-$(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
-$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk_phone_x86_64.mk)
 
-# Overrides
-PRODUCT_BRAND := generic_x86_64
 PRODUCT_NAME := sdk_x86_64
-PRODUCT_DEVICE := generic_x86_64
-PRODUCT_MODEL := Android SDK built for x86_64
diff --git a/tools/releasetools/add_img_to_target_files b/tools/releasetools/add_img_to_target_files
new file mode 120000
index 0000000..04323bd
--- /dev/null
+++ b/tools/releasetools/add_img_to_target_files
@@ -0,0 +1 @@
+add_img_to_target_files.py
\ No newline at end of file
diff --git a/tools/releasetools/add_img_to_target_files.py b/tools/releasetools/add_img_to_target_files.py
new file mode 100755
index 0000000..7be1929
--- /dev/null
+++ b/tools/releasetools/add_img_to_target_files.py
@@ -0,0 +1,284 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2014 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""
+Given a target-files zipfile that does not contain images (ie, does
+not have an IMAGES/ top-level subdirectory), produce the images and
+add them to the zipfile.
+
+Usage:  add_img_to_target_files target_files
+"""
+
+import sys
+
+if sys.hexversion < 0x02070000:
+  print >> sys.stderr, "Python 2.7 or newer is required."
+  sys.exit(1)
+
+import errno
+import os
+import re
+import shutil
+import subprocess
+import tempfile
+import zipfile
+
+# missing in Python 2.4 and before
+if not hasattr(os, "SEEK_SET"):
+  os.SEEK_SET = 0
+
+import build_image
+import common
+
+OPTIONS = common.OPTIONS
+
+
+def AddSystem(output_zip, sparse=True, prefix="IMAGES/"):
+  """Turn the contents of SYSTEM into a system image and store it in
+  output_zip."""
+  data = BuildSystem(OPTIONS.input_tmp, OPTIONS.info_dict, sparse=sparse)
+  common.ZipWriteStr(output_zip, prefix + "system.img", data)
+
+def BuildSystem(input_dir, info_dict, sparse=True, map_file=None):
+  return CreateImage(input_dir, info_dict, "system",
+                     sparse=sparse, map_file=map_file)
+
+def AddVendor(output_zip, sparse=True, prefix="IMAGES/"):
+  data = BuildVendor(OPTIONS.input_tmp, OPTIONS.info_dict, sparse=sparse)
+  common.ZipWriteStr(output_zip, prefix + "vendor.img", data)
+
+def BuildVendor(input_dir, info_dict, sparse=True, map_file=None):
+  return CreateImage(input_dir, info_dict, "vendor",
+                     sparse=sparse, map_file=map_file)
+
+
+def CreateImage(input_dir, info_dict, what, sparse=True, map_file=None):
+  print "creating " + what + ".img..."
+
+  img = tempfile.NamedTemporaryFile()
+
+  # The name of the directory it is making an image out of matters to
+  # mkyaffs2image.  It wants "system" but we have a directory named
+  # "SYSTEM", so create a symlink.
+  try:
+    os.symlink(os.path.join(input_dir, what.upper()),
+               os.path.join(input_dir, what))
+  except OSError, e:
+      # bogus error on my mac version?
+      #   File "./build/tools/releasetools/img_from_target_files", line 86, in AddSystem
+      #     os.path.join(OPTIONS.input_tmp, "system"))
+      # OSError: [Errno 17] File exists
+    if (e.errno == errno.EEXIST):
+      pass
+
+  image_props = build_image.ImagePropFromGlobalDict(info_dict, what)
+  fstab = info_dict["fstab"]
+  if fstab:
+    image_props["fs_type" ] = fstab["/" + what].fs_type
+
+  if what == "system":
+    fs_config_prefix = ""
+  else:
+    fs_config_prefix = what + "_"
+
+  fs_config = os.path.join(
+      input_dir, "META/" + fs_config_prefix + "filesystem_config.txt")
+  if not os.path.exists(fs_config): fs_config = None
+
+  fc_config = os.path.join(input_dir, "BOOT/RAMDISK/file_contexts")
+  if not os.path.exists(fc_config): fc_config = None
+
+  succ = build_image.BuildImage(os.path.join(input_dir, what),
+                                image_props, img.name,
+                                fs_config=fs_config,
+                                fc_config=fc_config)
+  assert succ, "build " + what + ".img image failed"
+
+  mapdata = None
+
+  if sparse:
+    data = open(img.name).read()
+    img.close()
+  else:
+    success, name = build_image.UnsparseImage(img.name, replace=False)
+    if not success:
+      assert False, "unsparsing " + what + ".img failed"
+
+    if map_file:
+      mmap = tempfile.NamedTemporaryFile()
+      mimg = tempfile.NamedTemporaryFile(delete=False)
+      success = build_image.MappedUnsparseImage(
+          img.name, name, mmap.name, mimg.name)
+      if not success:
+        assert False, "creating sparse map failed"
+      os.unlink(name)
+      name = mimg.name
+
+      with open(mmap.name) as f:
+        mapdata = f.read()
+
+    try:
+      with open(name) as f:
+        data = f.read()
+    finally:
+      os.unlink(name)
+
+  if mapdata is None:
+    return data
+  else:
+    return mapdata, data
+
+
+def AddUserdata(output_zip, prefix="IMAGES/"):
+  """Create an empty userdata image and store it in output_zip."""
+
+  image_props = build_image.ImagePropFromGlobalDict(OPTIONS.info_dict,
+                                                    "data")
+  # We only allow yaffs to have a 0/missing partition_size.
+  # Extfs, f2fs must have a size. Skip userdata.img if no size.
+  if (not image_props.get("fs_type", "").startswith("yaffs") and
+      not image_props.get("partition_size")):
+    return
+
+  print "creating userdata.img..."
+
+  # The name of the directory it is making an image out of matters to
+  # mkyaffs2image.  So we create a temp dir, and within it we create an
+  # empty dir named "data", and build the image from that.
+  temp_dir = tempfile.mkdtemp()
+  user_dir = os.path.join(temp_dir, "data")
+  os.mkdir(user_dir)
+  img = tempfile.NamedTemporaryFile()
+
+  fstab = OPTIONS.info_dict["fstab"]
+  if fstab:
+    image_props["fs_type" ] = fstab["/data"].fs_type
+  succ = build_image.BuildImage(user_dir, image_props, img.name)
+  assert succ, "build userdata.img image failed"
+
+  common.CheckSize(img.name, "userdata.img", OPTIONS.info_dict)
+  output_zip.write(img.name, prefix + "userdata.img")
+  img.close()
+  os.rmdir(user_dir)
+  os.rmdir(temp_dir)
+
+
+def AddCache(output_zip, prefix="IMAGES/"):
+  """Create an empty cache image and store it in output_zip."""
+
+  image_props = build_image.ImagePropFromGlobalDict(OPTIONS.info_dict,
+                                                    "cache")
+  # The build system has to explicitly request for cache.img.
+  if "fs_type" not in image_props:
+    return
+
+  print "creating cache.img..."
+
+  # The name of the directory it is making an image out of matters to
+  # mkyaffs2image.  So we create a temp dir, and within it we create an
+  # empty dir named "cache", and build the image from that.
+  temp_dir = tempfile.mkdtemp()
+  user_dir = os.path.join(temp_dir, "cache")
+  os.mkdir(user_dir)
+  img = tempfile.NamedTemporaryFile()
+
+  fstab = OPTIONS.info_dict["fstab"]
+  if fstab:
+    image_props["fs_type" ] = fstab["/cache"].fs_type
+  succ = build_image.BuildImage(user_dir, image_props, img.name)
+  assert succ, "build cache.img image failed"
+
+  common.CheckSize(img.name, "cache.img", OPTIONS.info_dict)
+  output_zip.write(img.name, prefix + "cache.img")
+  img.close()
+  os.rmdir(user_dir)
+  os.rmdir(temp_dir)
+
+
+def AddImagesToTargetFiles(filename):
+  OPTIONS.input_tmp, input_zip = common.UnzipTemp(filename)
+  try:
+
+    for n in input_zip.namelist():
+      if n.startswith("IMAGES/"):
+        print "target_files appears to already contain images."
+        sys.exit(1)
+
+    try:
+      input_zip.getinfo("VENDOR/")
+      has_vendor = True
+    except KeyError:
+      has_vendor = False
+
+    OPTIONS.info_dict = common.LoadInfoDict(input_zip)
+    if "selinux_fc" in OPTIONS.info_dict:
+      OPTIONS.info_dict["selinux_fc"] = os.path.join(
+          OPTIONS.input_tmp, "BOOT", "RAMDISK", "file_contexts")
+
+    input_zip.close()
+    output_zip = zipfile.ZipFile(filename, "a",
+                                 compression=zipfile.ZIP_DEFLATED)
+
+    def banner(s):
+      print "\n\n++++ " + s + " ++++\n\n"
+
+    banner("boot")
+    boot_image = common.GetBootableImage(
+        "IMAGES/boot.img", "boot.img", OPTIONS.input_tmp, "BOOT")
+    if boot_image:
+      boot_image.AddToZip(output_zip)
+
+    banner("recovery")
+    recovery_image = common.GetBootableImage(
+        "IMAGES/recovery.img", "recovery.img", OPTIONS.input_tmp, "RECOVERY")
+    if recovery_image:
+      recovery_image.AddToZip(output_zip)
+
+    banner("system")
+    AddSystem(output_zip)
+    if has_vendor:
+      banner("vendor")
+      AddVendor(output_zip)
+    banner("userdata")
+    AddUserdata(output_zip)
+    banner("cache")
+    AddCache(output_zip)
+
+    output_zip.close()
+
+  finally:
+    shutil.rmtree(OPTIONS.input_tmp)
+
+
+def main(argv):
+  args = common.ParseOptions(argv, __doc__)
+
+  if len(args) != 1:
+    common.Usage(__doc__)
+    sys.exit(1)
+
+  AddImagesToTargetFiles(args[0])
+  print "done."
+
+if __name__ == '__main__':
+  try:
+    common.CloseInheritedPipes()
+    main(sys.argv[1:])
+  except common.ExternalError, e:
+    print
+    print "   ERROR: %s" % (e,)
+    print
+    sys.exit(1)
diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index f2f35f4..15964b1 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -1049,8 +1049,14 @@
   _, _, patch = d.ComputePatch()
   output_sink("recovery-from-boot.p", patch)
 
-  boot_type, boot_device = GetTypeAndDevice("/boot", info_dict)
-  recovery_type, recovery_device = GetTypeAndDevice("/recovery", info_dict)
+  td_pair = GetTypeAndDevice("/boot", info_dict)
+  if not td_pair:
+    return
+  boot_type, boot_device = td_pair
+  td_pair = GetTypeAndDevice("/recovery", info_dict)
+  if not td_pair:
+    return
+  recovery_type, recovery_device = td_pair
 
   sh = """#!/system/bin/sh
 if ! applypatch -c %(recovery_type)s:%(recovery_device)s:%(recovery_size)d:%(recovery_sha1)s; then
diff --git a/tools/releasetools/img_from_target_files.py b/tools/releasetools/img_from_target_files.py
index 9aab41c..6463047 100755
--- a/tools/releasetools/img_from_target_files.py
+++ b/tools/releasetools/img_from_target_files.py
@@ -20,9 +20,6 @@
 
 Usage:  img_from_target_files [flags] input_target_files output_image_zip
 
-  -b  (--board_config)  <file>
-      Deprecated.
-
   -z  (--bootable_zip)
       Include only the bootable images (eg 'boot' and 'recovery') in
       the output.
@@ -47,174 +44,11 @@
 if not hasattr(os, "SEEK_SET"):
   os.SEEK_SET = 0
 
-import build_image
 import common
 
 OPTIONS = common.OPTIONS
 
 
-def AddSystem(output_zip, sparse=True):
-  """Turn the contents of SYSTEM into a system image and store it in
-  output_zip."""
-  data = BuildSystem(OPTIONS.input_tmp, OPTIONS.info_dict, sparse=sparse)
-  common.ZipWriteStr(output_zip, "system.img", data)
-
-def BuildSystem(input_dir, info_dict, sparse=True, map_file=None):
-  return CreateImage(input_dir, info_dict, "system",
-                     sparse=sparse, map_file=map_file)
-
-def AddVendor(output_zip, sparse=True):
-  data = BuildVendor(OPTIONS.input_tmp, OPTIONS.info_dict, sparse=sparse)
-  common.ZipWriteStr(output_zip, "vendor.img", data)
-
-def BuildVendor(input_dir, info_dict, sparse=True, map_file=None):
-  return CreateImage(input_dir, info_dict, "vendor",
-                     sparse=sparse, map_file=map_file)
-
-
-def CreateImage(input_dir, info_dict, what, sparse=True, map_file=None):
-  print "creating " + what + ".img..."
-
-  img = tempfile.NamedTemporaryFile()
-
-  # The name of the directory it is making an image out of matters to
-  # mkyaffs2image.  It wants "system" but we have a directory named
-  # "SYSTEM", so create a symlink.
-  try:
-    os.symlink(os.path.join(input_dir, what.upper()),
-               os.path.join(input_dir, what))
-  except OSError, e:
-      # bogus error on my mac version?
-      #   File "./build/tools/releasetools/img_from_target_files", line 86, in AddSystem
-      #     os.path.join(OPTIONS.input_tmp, "system"))
-      # OSError: [Errno 17] File exists
-    if (e.errno == errno.EEXIST):
-      pass
-
-  image_props = build_image.ImagePropFromGlobalDict(info_dict, what)
-  fstab = info_dict["fstab"]
-  if fstab:
-    image_props["fs_type" ] = fstab["/" + what].fs_type
-
-  if what == "system":
-    fs_config_prefix = ""
-  else:
-    fs_config_prefix = what + "_"
-
-  fs_config = os.path.join(
-      input_dir, "META/" + fs_config_prefix + "filesystem_config.txt")
-  if not os.path.exists(fs_config): fs_config = None
-
-  fc_config = os.path.join(input_dir, "BOOT/RAMDISK/file_contexts")
-  if not os.path.exists(fc_config): fc_config = None
-
-  succ = build_image.BuildImage(os.path.join(input_dir, what),
-                                image_props, img.name,
-                                fs_config=fs_config,
-                                fc_config=fc_config)
-  assert succ, "build " + what + ".img image failed"
-
-  mapdata = None
-
-  if sparse:
-    data = open(img.name).read()
-    img.close()
-  else:
-    success, name = build_image.UnsparseImage(img.name, replace=False)
-    if not success:
-      assert False, "unsparsing " + what + ".img failed"
-
-    if map_file:
-      mmap = tempfile.NamedTemporaryFile()
-      mimg = tempfile.NamedTemporaryFile(delete=False)
-      success = build_image.MappedUnsparseImage(
-          img.name, name, mmap.name, mimg.name)
-      if not success:
-        assert False, "creating sparse map failed"
-      os.unlink(name)
-      name = mimg.name
-
-      with open(mmap.name) as f:
-        mapdata = f.read()
-
-    try:
-      with open(name) as f:
-        data = f.read()
-    finally:
-      os.unlink(name)
-
-  if mapdata is None:
-    return data
-  else:
-    return mapdata, data
-
-
-def AddUserdata(output_zip):
-  """Create an empty userdata image and store it in output_zip."""
-
-  image_props = build_image.ImagePropFromGlobalDict(OPTIONS.info_dict,
-                                                    "data")
-  # We only allow yaffs to have a 0/missing partition_size.
-  # Extfs, f2fs must have a size. Skip userdata.img if no size.
-  if (not image_props.get("fs_type", "").startswith("yaffs") and
-      not image_props.get("partition_size")):
-    return
-
-  print "creating userdata.img..."
-
-  # The name of the directory it is making an image out of matters to
-  # mkyaffs2image.  So we create a temp dir, and within it we create an
-  # empty dir named "data", and build the image from that.
-  temp_dir = tempfile.mkdtemp()
-  user_dir = os.path.join(temp_dir, "data")
-  os.mkdir(user_dir)
-  img = tempfile.NamedTemporaryFile()
-
-  fstab = OPTIONS.info_dict["fstab"]
-  if fstab:
-    image_props["fs_type" ] = fstab["/data"].fs_type
-  succ = build_image.BuildImage(user_dir, image_props, img.name)
-  assert succ, "build userdata.img image failed"
-
-  common.CheckSize(img.name, "userdata.img", OPTIONS.info_dict)
-  output_zip.write(img.name, "userdata.img")
-  img.close()
-  os.rmdir(user_dir)
-  os.rmdir(temp_dir)
-
-
-def AddCache(output_zip):
-  """Create an empty cache image and store it in output_zip."""
-
-  image_props = build_image.ImagePropFromGlobalDict(OPTIONS.info_dict,
-                                                    "cache")
-  # The build system has to explicitly request for cache.img.
-  if "fs_type" not in image_props:
-    return
-
-  print "creating cache.img..."
-
-  # The name of the directory it is making an image out of matters to
-  # mkyaffs2image.  So we create a temp dir, and within it we create an
-  # empty dir named "cache", and build the image from that.
-  temp_dir = tempfile.mkdtemp()
-  user_dir = os.path.join(temp_dir, "cache")
-  os.mkdir(user_dir)
-  img = tempfile.NamedTemporaryFile()
-
-  fstab = OPTIONS.info_dict["fstab"]
-  if fstab:
-    image_props["fs_type" ] = fstab["/cache"].fs_type
-  succ = build_image.BuildImage(user_dir, image_props, img.name)
-  assert succ, "build cache.img image failed"
-
-  common.CheckSize(img.name, "cache.img", OPTIONS.info_dict)
-  output_zip.write(img.name, "cache.img")
-  img.close()
-  os.rmdir(user_dir)
-  os.rmdir(temp_dir)
-
-
 def CopyInfo(output_zip):
   """Copy the android-info.txt file from the input to the output."""
   output_zip.write(os.path.join(OPTIONS.input_tmp, "OTA", "android-info.txt"),
@@ -225,8 +59,6 @@
   bootable_only = [False]
 
   def option_handler(o, a):
-    if o in ("-b", "--board_config"):
-      pass       # deprecated
     if o in ("-z", "--bootable_zip"):
       bootable_only[0] = True
     else:
@@ -234,9 +66,8 @@
     return True
 
   args = common.ParseOptions(argv, __doc__,
-                             extra_opts="b:z",
-                             extra_long_opts=["board_config=",
-                                              "bootable_zip"],
+                             extra_opts="z",
+                             extra_long_opts=["bootable_zip"],
                              extra_option_handler=option_handler)
 
   bootable_only = bootable_only[0]
@@ -246,48 +77,69 @@
     sys.exit(1)
 
   OPTIONS.input_tmp, input_zip = common.UnzipTemp(args[0])
-  OPTIONS.info_dict = common.LoadInfoDict(input_zip)
-
-  # If this image was originally labelled with SELinux contexts, make sure we
-  # also apply the labels in our new image. During building, the "file_contexts"
-  # is in the out/ directory tree, but for repacking from target-files.zip it's
-  # in the root directory of the ramdisk.
-  if "selinux_fc" in OPTIONS.info_dict:
-    OPTIONS.info_dict["selinux_fc"] = os.path.join(OPTIONS.input_tmp, "BOOT", "RAMDISK",
-        "file_contexts")
-
   output_zip = zipfile.ZipFile(args[1], "w", compression=zipfile.ZIP_DEFLATED)
+  CopyInfo(output_zip)
 
-  boot_image = common.GetBootableImage(
-      "boot.img", "boot.img", OPTIONS.input_tmp, "BOOT")
-  if boot_image:
-      boot_image.AddToZip(output_zip)
-  recovery_image = common.GetBootableImage(
-      "recovery.img", "recovery.img", OPTIONS.input_tmp, "RECOVERY")
-  if recovery_image:
-    recovery_image.AddToZip(output_zip)
+  try:
+    done = False
+    images_path = os.path.join(OPTIONS.input_tmp, "IMAGES")
+    if os.path.exists(images_path):
+      # If this is a new target-files, it already contains the images,
+      # and all we have to do is copy them to the output zip.
+      images = os.listdir(images_path)
+      if images:
+        for i in images:
+          if bootable_only and i not in ("boot.img", "recovery.img"): continue
+          with open(os.path.join(images_path, i), "r") as f:
+            common.ZipWriteStr(output_zip, i, f.read())
+        done = True
 
-  def banner(s):
-    print "\n\n++++ " + s + " ++++\n\n"
+    if not done:
+      # We have an old target-files that doesn't already contain the
+      # images, so build them.
+      import add_img_to_target_files
 
-  if not bootable_only:
-    banner("AddSystem")
-    AddSystem(output_zip)
-    try:
-      input_zip.getinfo("VENDOR/")
-      banner("AddVendor")
-      AddVendor(output_zip)
-    except KeyError:
-      pass   # no vendor partition for this device
-    banner("AddUserdata")
-    AddUserdata(output_zip)
-    banner("AddCache")
-    AddCache(output_zip)
-    CopyInfo(output_zip)
+      OPTIONS.info_dict = common.LoadInfoDict(input_zip)
 
-  print "cleaning up..."
-  output_zip.close()
-  shutil.rmtree(OPTIONS.input_tmp)
+      # If this image was originally labelled with SELinux contexts,
+      # make sure we also apply the labels in our new image. During
+      # building, the "file_contexts" is in the out/ directory tree,
+      # but for repacking from target-files.zip it's in the root
+      # directory of the ramdisk.
+      if "selinux_fc" in OPTIONS.info_dict:
+        OPTIONS.info_dict["selinux_fc"] = os.path.join(
+            OPTIONS.input_tmp, "BOOT", "RAMDISK", "file_contexts")
+
+      boot_image = common.GetBootableImage(
+          "boot.img", "boot.img", OPTIONS.input_tmp, "BOOT")
+      if boot_image:
+          boot_image.AddToZip(output_zip)
+      recovery_image = common.GetBootableImage(
+          "recovery.img", "recovery.img", OPTIONS.input_tmp, "RECOVERY")
+      if recovery_image:
+        recovery_image.AddToZip(output_zip)
+
+      def banner(s):
+        print "\n\n++++ " + s + " ++++\n\n"
+
+      if not bootable_only:
+        banner("AddSystem")
+        add_img_to_target_files.AddSystem(output_zip, prefix="")
+        try:
+          input_zip.getinfo("VENDOR/")
+          banner("AddVendor")
+          add_img_to_target_files.AddVendor(output_zip, prefix="")
+        except KeyError:
+          pass   # no vendor partition for this device
+        banner("AddUserdata")
+        add_img_to_target_files.AddUserdata(output_zip, prefix="")
+        banner("AddCache")
+        add_img_to_target_files.AddCache(output_zip, prefix="")
+
+  finally:
+    print "cleaning up..."
+    output_zip.close()
+    shutil.rmtree(OPTIONS.input_tmp)
 
   print "done."
 
diff --git a/tools/releasetools/ota_from_target_files b/tools/releasetools/ota_from_target_files
index 5f2354c..54d4884 100755
--- a/tools/releasetools/ota_from_target_files
+++ b/tools/releasetools/ota_from_target_files
@@ -98,7 +98,6 @@
   from sha import sha as sha1
 
 import common
-import img_from_target_files
 import edify_generator
 import build_image
 
@@ -418,6 +417,63 @@
     GetOemProperty("ro.product.device", oem_props, oem_dict, info_dict),
     GetBuildProp("ro.build.thumbprint", info_dict))
 
+def GetImage(which, tmpdir, info_dict):
+  # Return (mapdata, data) for the given image.  which should be
+  # "system" or "vendor".
+
+  assert which in ("system", "vendor")
+
+  path = os.path.join(tmpdir, "IMAGES", which + ".img")
+  if os.path.exists(path):
+    print "using %s.img from target-files" % (which,)
+
+    # This is a 'new' target-files, which already has the image in it.
+    # The image is a sparse image, though, so we need to unsparse it
+    # and extract the map data.
+
+    success, name = build_image.UnsparseImage(path, replace=False)
+    if not success:
+      assert False, "unsparsing " + which + ".img failed"
+
+    mmap = tempfile.NamedTemporaryFile()
+    mimg = tempfile.NamedTemporaryFile(delete=False)
+    success = build_image.MappedUnsparseImage(
+        path, name, mmap.name, mimg.name)
+    if not success:
+      assert False, "creating sparse map failed"
+    os.unlink(name)
+    name = mimg.name
+
+    with open(mmap.name) as f:
+      mapdata = f.read()
+
+    try:
+      with open(name) as f:
+        data = f.read()
+    finally:
+      os.unlink(name)
+
+    print "unsparsed data sha1 is " + sha1(data).hexdigest()
+    return mapdata, data
+
+  else:
+    print "building %s.img from target-files" % (which,)
+
+    # This is an 'old' target-files, which does not contain images
+    # already built.  Build them.
+
+    import add_img_to_target_files
+    if which == "system":
+      mapdata, data = add_img_to_target_files.BuildSystem(
+          tmpdir, info_dict, sparse=False, map_file=True)
+    elif which == "vendor":
+      mapdata, data = add_img_to_target_files.BuildVendor(
+          tmpdir, info_dict, sparse=False, map_file=True)
+
+    print "built data sha1 is " + sha1(data).hexdigest()
+    return mapdata, data
+
+
 def WriteFullOTAPackage(input_zip, output_zip):
   # TODO: how to determine this?  We don't know what version it will
   # be installed on top of.  For now, we expect the API just won't
@@ -514,9 +570,7 @@
   system_items = ItemSet("system", "META/filesystem_config.txt")
   script.ShowProgress(system_progress, 0)
   if block_based:
-    mapdata, data = img_from_target_files.BuildSystem(
-        OPTIONS.input_tmp, OPTIONS.info_dict,
-        sparse=False, map_file=True)
+    mapdata, data = GetImage("system", OPTIONS.input_tmp, OPTIONS.info_dict)
 
     common.ZipWriteStr(output_zip, "system.map", mapdata)
     common.ZipWriteStr(output_zip, "system.muimg", data)
@@ -551,9 +605,7 @@
     script.ShowProgress(0.1, 0)
 
     if block_based:
-      mapdata, data = img_from_target_files.BuildVendor(
-          OPTIONS.input_tmp, OPTIONS.info_dict,
-          sparse=False, map_file=True)
+      mapdata, data = GetImage("vendor", OPTIONS.input_tmp, OPTIONS.info_dict)
 
       common.ZipWriteStr(output_zip, "vendor.map", mapdata)
       common.ZipWriteStr(output_zip, "vendor.muimg", data)
@@ -647,14 +699,14 @@
     dirs.pop()
 
 class BlockDifference:
-  def __init__(self, partition, builder, output_zip):
+  def __init__(self, partition, output_zip):
     with tempfile.NamedTemporaryFile() as src_file:
       with tempfile.NamedTemporaryFile() as tgt_file:
         print "building source " + partition + " image..."
         src_file = tempfile.NamedTemporaryFile()
-        src_mapdata, src_data = builder(OPTIONS.source_tmp,
-                                        OPTIONS.source_info_dict,
-                                        sparse=False, map_file=True)
+        src_mapdata, src_data = GetImage(partition,
+                                         OPTIONS.source_tmp,
+                                         OPTIONS.source_info_dict)
 
         self.src_sha1 = sha1(src_data).hexdigest()
         print "source " + partition + " sha1:", self.src_sha1
@@ -662,9 +714,9 @@
 
         print "building target " + partition + " image..."
         tgt_file = tempfile.NamedTemporaryFile()
-        tgt_mapdata, tgt_data = builder(OPTIONS.target_tmp,
-                                        OPTIONS.target_info_dict,
-                                        sparse=False, map_file=True)
+        tgt_mapdata, tgt_data = GetImage(partition,
+                                         OPTIONS.target_tmp,
+                                         OPTIONS.target_info_dict)
         self.tgt_sha1 = sha1(tgt_data).hexdigest()
         print "target " + partition + " sha1:", self.tgt_sha1
         tgt_len = len(tgt_data)
@@ -731,13 +783,11 @@
       "/tmp/recovery.img", "recovery.img", OPTIONS.target_tmp, "RECOVERY")
   updating_recovery = (source_recovery.data != target_recovery.data)
 
-  system_diff = BlockDifference("system", img_from_target_files.BuildSystem,
-                                output_zip)
+  system_diff = BlockDifference("system", output_zip)
   if HasVendorPartition(target_zip):
     if not HasVendorPartition(source_zip):
       raise RuntimeError("can't generate incremental that adds /vendor")
-    vendor_diff = BlockDifference("vendor", img_from_target_files.BuildVendor,
-                                  output_zip)
+    vendor_diff = BlockDifference("vendor", output_zip)
 
   oem_props = OPTIONS.target_info_dict.get("oem_fingerprint_properties")
   oem_dict = None
diff --git a/tools/releasetools/sign_target_files_apks b/tools/releasetools/sign_target_files_apks
index 0ecb906..cba0668 100755
--- a/tools/releasetools/sign_target_files_apks
+++ b/tools/releasetools/sign_target_files_apks
@@ -82,6 +82,7 @@
 import tempfile
 import zipfile
 
+import add_img_to_target_files
 import common
 
 OPTIONS = common.OPTIONS
@@ -166,6 +167,8 @@
           f.write(data)
 
   for info in input_tf_zip.infolist():
+    if info.filename.startswith("IMAGES/"): continue
+
     data = input_tf_zip.read(info.filename)
     out_info = copy.copy(info)
 
@@ -448,6 +451,8 @@
   input_zip.close()
   output_zip.close()
 
+  add_img_to_target_files.AddImagesToTargetFiles(args[1])
+
   print "done."