Create emulator_* devices for emulators
aosp_arm64 has no emulators after the patch:
https://android-review.googlesource.com/c/platform/build/+/1286895
The patch creates all other emulator_* devices by cloning from
generic_*, and modify all sdk_phone_* to use them.
Bug: 111538404
Test: build sdk_phone_armv7-userdebug
Test: build sdk_phone_x86_64-userdebug
Test: build sdk_phone_x86-userdebug
Change-Id: I2b82e999ea919f005729f322cd948e6b72ba6843
diff --git a/target/board/emulator_arm/AndroidBoard.mk b/target/board/emulator_arm/AndroidBoard.mk
new file mode 100644
index 0000000..7911f61
--- /dev/null
+++ b/target/board/emulator_arm/AndroidBoard.mk
@@ -0,0 +1 @@
+LOCAL_PATH := $(call my-dir)
diff --git a/target/board/emulator_arm/BoardConfig.mk b/target/board/emulator_arm/BoardConfig.mk
new file mode 100644
index 0000000..287824f
--- /dev/null
+++ b/target/board/emulator_arm/BoardConfig.mk
@@ -0,0 +1,37 @@
+# Copyright (C) 2020 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.
+#
+
+# arm emulator specific definitions
+TARGET_ARCH := arm
+TARGET_ARCH_VARIANT := armv7-a-neon
+TARGET_CPU_VARIANT := generic
+TARGET_CPU_ABI := armeabi-v7a
+TARGET_CPU_ABI2 := armeabi
+
+include build/make/target/board/BoardConfigGsiCommon.mk
+include build/make/target/board/BoardConfigEmuCommon.mk
+
+BOARD_USERDATAIMAGE_PARTITION_SIZE := 576716800
+
+# Wifi.
+BOARD_WLAN_DEVICE := emulator
+BOARD_HOSTAPD_DRIVER := NL80211
+BOARD_WPA_SUPPLICANT_DRIVER := NL80211
+BOARD_HOSTAPD_PRIVATE_LIB := lib_driver_cmd_simulated
+BOARD_WPA_SUPPLICANT_PRIVATE_LIB := lib_driver_cmd_simulated
+WPA_SUPPLICANT_VERSION := VER_0_8_X
+WIFI_DRIVER_FW_PATH_PARAM := "/dev/null"
+WIFI_DRIVER_FW_PATH_STA := "/dev/null"
+WIFI_DRIVER_FW_PATH_AP := "/dev/null"
diff --git a/target/board/emulator_arm/device.mk b/target/board/emulator_arm/device.mk
new file mode 100644
index 0000000..af023eb
--- /dev/null
+++ b/target/board/emulator_arm/device.mk
@@ -0,0 +1,18 @@
+#
+# Copyright (C) 2020 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_SOONG_NAMESPACES += device/generic/goldfish # for libwifi-hal-emu
+PRODUCT_SOONG_NAMESPACES += device/generic/goldfish-opengl # for goldfish deps.
diff --git a/target/board/emulator_arm/system_ext.prop b/target/board/emulator_arm/system_ext.prop
new file mode 100644
index 0000000..64829f3
--- /dev/null
+++ b/target/board/emulator_arm/system_ext.prop
@@ -0,0 +1,5 @@
+#
+# system.prop for generic sdk
+#
+
+rild.libpath=/vendor/lib/libreference-ril.so