device.mk revision b6c1cf6de79035f58b512f4400db458c8401379a 
1#
2# Copyright (C) 2007 The Android Open Source Project
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#      http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15#
16
17_device_var_list := \
18    DEVICE_NAME \
19    DEVICE_BOARD \
20    DEVICE_REGION
21
22define dump-device
23$(info ==== $(1) ====)\
24$(foreach v,$(_device_var_list),\
25$(info DEVICES.$(1).$(v) := $(DEVICES.$(1).$(v))))\
26$(info --------)
27endef
28
29define dump-devices
30$(foreach p,$(DEVICES),$(call dump-device,$(p)))
31endef
32
33#
34# $(1): device to inherit
35#
36define inherit-device
37  $(foreach v,$(_device_var_list), \
38      $(eval $(v) := $($(v)) $(INHERIT_TAG)$(strip $(1))))
39endef
40
41#
42# $(1): device makefile list
43#
44#TODO: check to make sure that devices have all the necessary vars defined
45define import-devices
46$(call import-nodes,DEVICES,$(1),$(_device_var_list))
47endef
48
49
50#
51# $(1): short device name like "sooner"
52#
53define _resolve-short-device-name
54  $(eval dn := $(strip $(1)))
55  $(eval d := \
56      $(foreach d,$(DEVICES), \
57          $(if $(filter $(dn),$(DEVICES.$(d).DEVICE_NAME)), \
58            $(d) \
59       )) \
60   )
61  $(eval d := $(sort $(d)))
62  $(if $(filter 1,$(words $(d))), \
63    $(d), \
64    $(if $(filter 0,$(words $(d))), \
65      $(error No matches for device "$(dn)"), \
66      $(error Device "$(dn)" ambiguous: matches $(d)) \
67    ) \
68  )
69endef
70
71#
72# $(1): short device name like "sooner"
73#
74define resolve-short-device-name
75$(strip $(call _resolve-short-device-name,$(1)))
76endef
77