diff --git a/core/binary.mk b/core/binary.mk
index e22cd84..d926c37 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -414,23 +414,30 @@
 proto_generated_headers :=
 ifneq ($(proto_sources),)
 proto_sources_fullpath := $(addprefix $(LOCAL_PATH)/, $(proto_sources))
-proto_generated_cc_sources_dir := $(intermediates)/proto
+proto_generated_cc_sources_dir := $(generated_sources_dir)/proto
 proto_generated_cc_sources := $(addprefix $(proto_generated_cc_sources_dir)/, \
     $(patsubst %.proto,%.pb.cc,$(proto_sources_fullpath)))
-proto_generated_objects := $(patsubst %.cc,%.o, $(proto_generated_cc_sources))
+proto_generated_headers := $(patsubst %.pb.cc,%.pb.h, $(proto_generated_cc_sources))
+proto_generated_obj_dir := $(intermediates)/proto
+proto_generated_objects := $(addprefix $(proto_generated_obj_dir)/, \
+    $(patsubst %.proto,%.pb.o,$(proto_sources_fullpath)))
 
+# Ensure the transform-proto-to-cc rule is only defined once in multilib build.
+ifndef $(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_proto_defined
 $(proto_generated_cc_sources): PRIVATE_PROTO_INCLUDES := $(TOP)
 $(proto_generated_cc_sources): PRIVATE_PROTO_CC_OUTPUT_DIR := $(proto_generated_cc_sources_dir)
 $(proto_generated_cc_sources): PRIVATE_PROTOC_FLAGS := $(LOCAL_PROTOC_FLAGS)
 $(proto_generated_cc_sources): $(proto_generated_cc_sources_dir)/%.pb.cc: %.proto $(PROTOC)
 	$(transform-proto-to-cc)
 
-proto_generated_headers := $(patsubst %.pb.cc,%.pb.h, $(proto_generated_cc_sources))
 $(proto_generated_headers): $(proto_generated_cc_sources_dir)/%.pb.h: $(proto_generated_cc_sources_dir)/%.pb.cc
 
+$(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_proto_defined := true
+endif  # transform-proto-to-cc rule included only once
+
 $(proto_generated_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
 $(proto_generated_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
-$(proto_generated_objects): $(proto_generated_cc_sources_dir)/%.o: $(proto_generated_cc_sources_dir)/%.cc $(proto_generated_headers)
+$(proto_generated_objects): $(proto_generated_obj_dir)/%.o: $(proto_generated_cc_sources_dir)/%.cc $(proto_generated_headers)
 	$(transform-$(PRIVATE_HOST)cpp-to-o)
 -include $(proto_generated_objects:%.o=%.P)
 
@@ -441,7 +448,7 @@
 else
 my_static_libraries += libprotobuf-cpp-2.3.0-lite
 endif
-endif
+endif  # $(proto_sources) non-empty
 
 
 ###########################################################
diff --git a/target/board/generic/BoardConfig.mk b/target/board/generic/BoardConfig.mk
index e0ad23a..53a5512 100644
--- a/target/board/generic/BoardConfig.mk
+++ b/target/board/generic/BoardConfig.mk
@@ -77,6 +77,14 @@
 
 BOARD_SEPOLICY_DIRS += build/target/board/generic/sepolicy
 BOARD_SEPOLICY_UNION += \
+        adbd.te \
         bootanim.te \
+        device.te \
         domain.te \
-        surfaceflinger.te
+        file.te \
+        file_contexts \
+        mediaserver.te \
+        qemud.te \
+        rild.te \
+        surfaceflinger.te \
+        system_server.te
diff --git a/target/board/generic/sepolicy/adbd.te b/target/board/generic/sepolicy/adbd.te
new file mode 100644
index 0000000..f65cfb3
--- /dev/null
+++ b/target/board/generic/sepolicy/adbd.te
@@ -0,0 +1 @@
+allow adbd qemu_device:chr_file rw_file_perms;
diff --git a/target/board/generic/sepolicy/device.te b/target/board/generic/sepolicy/device.te
new file mode 100644
index 0000000..e4af13c
--- /dev/null
+++ b/target/board/generic/sepolicy/device.te
@@ -0,0 +1 @@
+type qemu_device, dev_type;
diff --git a/target/board/generic/sepolicy/file.te b/target/board/generic/sepolicy/file.te
new file mode 100644
index 0000000..6fad80a
--- /dev/null
+++ b/target/board/generic/sepolicy/file.te
@@ -0,0 +1 @@
+type qemud_socket, file_type;
diff --git a/target/board/generic/sepolicy/file_contexts b/target/board/generic/sepolicy/file_contexts
new file mode 100644
index 0000000..f204cde
--- /dev/null
+++ b/target/board/generic/sepolicy/file_contexts
@@ -0,0 +1,4 @@
+/dev/qemu_.*		u:object_r:qemu_device:s0
+/dev/socket/qemud	u:object_r:qemud_socket:s0
+/system/bin/qemud	u:object_r:qemud_exec:s0
+/sys/qemu_trace(/.*)?	--	u:object_r:sysfs_writable:s0
diff --git a/target/board/generic/sepolicy/mediaserver.te b/target/board/generic/sepolicy/mediaserver.te
new file mode 100644
index 0000000..90b8cf8
--- /dev/null
+++ b/target/board/generic/sepolicy/mediaserver.te
@@ -0,0 +1 @@
+allow mediaserver qemu_device:chr_file rw_file_perms;
diff --git a/target/board/generic/sepolicy/qemud.te b/target/board/generic/sepolicy/qemud.te
new file mode 100644
index 0000000..4ff02ec
--- /dev/null
+++ b/target/board/generic/sepolicy/qemud.te
@@ -0,0 +1,6 @@
+# qemu support daemon
+type qemud, domain;
+type qemud_exec, exec_type, file_type;
+
+init_daemon_domain(qemud)
+unconfined_domain(qemud)
diff --git a/target/board/generic/sepolicy/rild.te b/target/board/generic/sepolicy/rild.te
new file mode 100644
index 0000000..5de171a
--- /dev/null
+++ b/target/board/generic/sepolicy/rild.te
@@ -0,0 +1,2 @@
+allow rild qemu_device:chr_file rw_file_perms;
+unix_socket_connect(rild, qemud, qemud)
diff --git a/target/board/generic/sepolicy/system_server.te b/target/board/generic/sepolicy/system_server.te
new file mode 100644
index 0000000..ef4ce4a
--- /dev/null
+++ b/target/board/generic/sepolicy/system_server.te
@@ -0,0 +1,2 @@
+unix_socket_connect(system_server, qemud, qemud)
+allow system_server qemu_device:chr_file rw_file_perms;
diff --git a/target/board/generic_x86/BoardConfig.mk b/target/board/generic_x86/BoardConfig.mk
index 61c8cf5..5da767e 100644
--- a/target/board/generic_x86/BoardConfig.mk
+++ b/target/board/generic_x86/BoardConfig.mk
@@ -45,8 +45,15 @@
 
 BOARD_SEPOLICY_DIRS += build/target/board/generic_x86/sepolicy
 BOARD_SEPOLICY_UNION += \
+        adbd.te \
+        device.te \
         domain.te \
+        file.te \
+        file_contexts \
         healthd.te \
         installd.te \
+        mediaserver.te \
+        qemud.te \
+        rild.te \
         system_server.te \
         zygote.te
diff --git a/target/board/generic_x86/sepolicy/adbd.te b/target/board/generic_x86/sepolicy/adbd.te
new file mode 100644
index 0000000..f65cfb3
--- /dev/null
+++ b/target/board/generic_x86/sepolicy/adbd.te
@@ -0,0 +1 @@
+allow adbd qemu_device:chr_file rw_file_perms;
diff --git a/target/board/generic_x86/sepolicy/device.te b/target/board/generic_x86/sepolicy/device.te
new file mode 100644
index 0000000..e4af13c
--- /dev/null
+++ b/target/board/generic_x86/sepolicy/device.te
@@ -0,0 +1 @@
+type qemu_device, dev_type;
diff --git a/target/board/generic_x86/sepolicy/file.te b/target/board/generic_x86/sepolicy/file.te
new file mode 100644
index 0000000..6fad80a
--- /dev/null
+++ b/target/board/generic_x86/sepolicy/file.te
@@ -0,0 +1 @@
+type qemud_socket, file_type;
diff --git a/target/board/generic_x86/sepolicy/file_contexts b/target/board/generic_x86/sepolicy/file_contexts
new file mode 100644
index 0000000..f204cde
--- /dev/null
+++ b/target/board/generic_x86/sepolicy/file_contexts
@@ -0,0 +1,4 @@
+/dev/qemu_.*		u:object_r:qemu_device:s0
+/dev/socket/qemud	u:object_r:qemud_socket:s0
+/system/bin/qemud	u:object_r:qemud_exec:s0
+/sys/qemu_trace(/.*)?	--	u:object_r:sysfs_writable:s0
diff --git a/target/board/generic_x86/sepolicy/mediaserver.te b/target/board/generic_x86/sepolicy/mediaserver.te
new file mode 100644
index 0000000..90b8cf8
--- /dev/null
+++ b/target/board/generic_x86/sepolicy/mediaserver.te
@@ -0,0 +1 @@
+allow mediaserver qemu_device:chr_file rw_file_perms;
diff --git a/target/board/generic_x86/sepolicy/qemud.te b/target/board/generic_x86/sepolicy/qemud.te
new file mode 100644
index 0000000..4ff02ec
--- /dev/null
+++ b/target/board/generic_x86/sepolicy/qemud.te
@@ -0,0 +1,6 @@
+# qemu support daemon
+type qemud, domain;
+type qemud_exec, exec_type, file_type;
+
+init_daemon_domain(qemud)
+unconfined_domain(qemud)
diff --git a/target/board/generic_x86/sepolicy/rild.te b/target/board/generic_x86/sepolicy/rild.te
new file mode 100644
index 0000000..5de171a
--- /dev/null
+++ b/target/board/generic_x86/sepolicy/rild.te
@@ -0,0 +1,2 @@
+allow rild qemu_device:chr_file rw_file_perms;
+unix_socket_connect(rild, qemud, qemud)
diff --git a/target/board/generic_x86/sepolicy/system_server.te b/target/board/generic_x86/sepolicy/system_server.te
index 5d98a14..9bfe5fe 100644
--- a/target/board/generic_x86/sepolicy/system_server.te
+++ b/target/board/generic_x86/sepolicy/system_server.te
@@ -1 +1,3 @@
 allow system_server self:process execmem;
+unix_socket_connect(system_server, qemud, qemud)
+allow system_server qemu_device:chr_file rw_file_perms;