diff --git a/CleanSpec.mk b/CleanSpec.mk
index a84e793..7ce4ed7 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -655,6 +655,10 @@
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/product/generic*/*/product)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/product/generic*/*/system_ext)
 
+# Move GSI-specific files from /system to /system/system_ext
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/etc/init/init.gsi.rc)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/etc/init/config/)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************
diff --git a/target/product/gsi/Android.mk b/target/product/gsi/Android.mk
index 018bbb0..57dee0a 100644
--- a/target/product/gsi/Android.mk
+++ b/target/product/gsi/Android.mk
@@ -169,3 +169,36 @@
 include $(BUILD_PHONY_PACKAGE)
 
 endif # BOARD_VNDK_VERSION is set
+
+#####################################################################
+# skip_mount.cfg, read by init to skip mounting some partitions when GSI is used.
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := gsi_skip_mount.cfg
+LOCAL_MODULE_STEM := skip_mount.cfg
+LOCAL_SRC_FILES := $(LOCAL_MODULE)
+LOCAL_MODULE_CLASS := ETC
+LOCAL_SYSTEM_EXT_MODULE := true
+LOCAL_MODULE_RELATIVE_PATH := init/config
+
+# Adds a symlink under /system/etc/init/config pointing to /system/system_ext/etc/init/config
+# because first-stage init in Android 10.0 will read the skip_mount.cfg from /system/etc/* after
+# chroot /system.
+# TODO: remove this symlink when no need to support new GSI on Android 10.
+# The actual file needs to be under /system/system_ext because it's GSI-specific and does not
+# belong to core CSI.
+LOCAL_POST_INSTALL_CMD := ln -sf /system/system_ext/etc/init/config $(TARGET_OUT)/etc/init/config
+
+include $(BUILD_PREBUILT)
+
+#####################################################################
+# init.gsi.rc, GSI-specific init script.
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := init.gsi.rc
+LOCAL_SRC_FILES := $(LOCAL_MODULE)
+LOCAL_MODULE_CLASS := ETC
+LOCAL_SYSTEM_EXT_MODULE := true
+LOCAL_MODULE_RELATIVE_PATH := init
+
+include $(BUILD_PREBUILT)
diff --git a/target/product/gsi/skip_mount.cfg b/target/product/gsi/gsi_skip_mount.cfg
similarity index 100%
rename from target/product/gsi/skip_mount.cfg
rename to target/product/gsi/gsi_skip_mount.cfg
diff --git a/target/product/gsi_common.mk b/target/product/gsi_common.mk
index 1b5cd55..bfecc95 100644
--- a/target/product/gsi_common.mk
+++ b/target/product/gsi_common.mk
@@ -50,11 +50,6 @@
 # Some GSI builds enable dexpreopt, whitelist these preopt files
 PRODUCT_ARTIFACT_PATH_REQUIREMENT_WHITELIST += %.odex %.vdex %.art
 
-# Exclude GSI specific files
-PRODUCT_ARTIFACT_PATH_REQUIREMENT_WHITELIST += \
-    system/etc/init/config/skip_mount.cfg \
-    system/etc/init/init.gsi.rc \
-
 # Exclude all files under system/product and system/system_ext
 PRODUCT_ARTIFACT_PATH_REQUIREMENT_WHITELIST += \
     system/product/% \
@@ -71,9 +66,9 @@
 PRODUCT_COMPATIBLE_PROPERTY_OVERRIDE := true
 
 # GSI specific tasks on boot
-PRODUCT_COPY_FILES += \
-    build/make/target/product/gsi/skip_mount.cfg:system/etc/init/config/skip_mount.cfg \
-    build/make/target/product/gsi/init.gsi.rc:system/etc/init/init.gsi.rc \
+PRODUCT_PACKAGES += \
+    gsi_skip_mount.cfg \
+    init.gsi.rc
 
 # Support addtional P vendor interface
 PRODUCT_EXTRA_VNDK_VERSIONS := 28
diff --git a/target/product/gsi_release.mk b/target/product/gsi_release.mk
index 4c471db..81411a4 100644
--- a/target/product/gsi_release.mk
+++ b/target/product/gsi_release.mk
@@ -24,11 +24,6 @@
 # - etc.
 #
 
-# Exclude GSI specific files
-PRODUCT_ARTIFACT_PATH_REQUIREMENT_WHITELIST += \
-    system/etc/init/config/skip_mount.cfg \
-    system/etc/init/init.gsi.rc \
-
 # Exclude all files under system/product and system/system_ext
 PRODUCT_ARTIFACT_PATH_REQUIREMENT_WHITELIST += \
     system/product/% \
@@ -50,9 +45,9 @@
 PRODUCT_COMPATIBLE_PROPERTY_OVERRIDE := true
 
 # GSI specific tasks on boot
-PRODUCT_COPY_FILES += \
-    build/make/target/product/gsi/skip_mount.cfg:system/etc/init/config/skip_mount.cfg \
-    build/make/target/product/gsi/init.gsi.rc:system/etc/init/init.gsi.rc \
+PRODUCT_PACKAGES += \
+    gsi_skip_mount.cfg \
+    init.gsi.rc
 
 # Support addtional P VNDK packages
 PRODUCT_EXTRA_VNDK_VERSIONS := 28