auto import from //depot/cupcake/@135843

1 files changed, 76 insertions, 0 deletions

diff --git a/core/device.mk b/core/device.mk
new file mode 100644
index 0000000..20ff447
--- /dev/null
+++ b/core/device.mk
@@ -0,0 +1,76 @@
+#
+# 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.
+#
+
+_device_var_list := \
+    DEVICE_NAME \
+    DEVICE_BOARD \
+    DEVICE_REGION
+
+define dump-device
+$(info ==== $(1) ====)\
+$(foreach v,$(_device_var_list),\
+$(info DEVICES.$(1).$(v) := $(DEVICES.$(1).$(v))))\
+$(info --------)
+endef
+
+define dump-devices
+$(foreach p,$(DEVICES),$(call dump-device,$(p)))
+endef
+
+#
+# $(1): device to inherit
+#
+define inherit-device
+  $(foreach v,$(_device_var_list), \
+      $(eval $(v) := $($(v)) $(INHERIT_TAG)$(strip $(1))))
+endef
+
+#
+# $(1): device makefile list
+#
+#TODO: check to make sure that devices have all the necessary vars defined
+define import-devices
+$(call import-nodes,DEVICES,$(1),$(_device_var_list))
+endef
+
+
+#
+# $(1): short device name like "sooner"
+#
+define _resolve-short-device-name
+  $(eval dn := $(strip $(1)))
+  $(eval d := \
+      $(foreach d,$(DEVICES), \
+          $(if $(filter $(dn),$(DEVICES.$(d).DEVICE_NAME)), \
+            $(d) \
+       )) \
+   )
+  $(eval d := $(sort $(d)))
+  $(if $(filter 1,$(words $(d))), \
+    $(d), \
+    $(if $(filter 0,$(words $(d))), \
+      $(error No matches for device "$(dn)"), \
+      $(error Device "$(dn)" ambiguous: matches $(d)) \
+    ) \
+  )
+endef
+
+#
+# $(1): short device name like "sooner"
+#
+define resolve-short-device-name
+$(strip $(call _resolve-short-device-name,$(1)))
+endef