From 4e18dc435b633b7b6adceda10f84f29d081f0d6a Mon Sep 17 00:00:00 2001 From: Thierry Strudel Date: Thu, 2 Mar 2017 16:50:16 -0800 Subject: Import common file from device specific directory Test: boot, basic functionality Change-Id: I9c07718b481730c3388f99c5e1eff17c9fd75a7b Signed-off-by: Thierry Strudel --- utils.mk | 201 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 201 insertions(+) create mode 100644 utils.mk (limited to 'utils.mk') diff --git a/utils.mk b/utils.mk new file mode 100644 index 00000000..c823d211 --- /dev/null +++ b/utils.mk @@ -0,0 +1,201 @@ +# vars for use by utils +empty := +space := $(empty) $(empty) +colon := $(empty):$(empty) +underscore := $(empty)_$(empty) + +# $(call match-word,w1,w2) +# checks if w1 == w2 +# How it works +# if (w1-w2 not empty or w2-w1 not empty) then not_match else match +# +# returns true or empty +#$(warning :$(1): :$(2): :$(subst $(1),,$(2)):) \ +#$(warning :$(2): :$(1): :$(subst $(2),,$(1)):) \ +# +define match-word +$(strip \ + $(if $(or $(subst $(1),$(empty),$(2)),$(subst $(2),$(empty),$(1))),,true) \ +) +endef + +# $(call find-word-in-list,w,wlist) +# finds an exact match of word w in word list wlist +# +# How it works +# fill wlist spaces with colon +# wrap w with colon +# search word w in list wl, if found match m, return stripped word w +# +# returns stripped word or empty +define find-word-in-list +$(strip \ + $(eval wl:= $(colon)$(subst $(space),$(colon),$(strip $(2)))$(colon)) \ + $(eval w:= $(colon)$(strip $(1))$(colon)) \ + $(eval m:= $(findstring $(w),$(wl))) \ + $(if $(m),$(1),) \ +) +endef + +# $(call match-word-in-list,w,wlist) +# does an exact match of word w in word list wlist +# How it works +# if the input word is not empty +# return output of an exact match of word w in wordlist wlist +# else +# return empty +# returns true or empty +define match-word-in-list +$(strip \ + $(if $(strip $(1)), \ + $(call match-word,$(call find-word-in-list,$(1),$(2)),$(strip $(1))), \ + ) \ +) +endef + +# $(call match-prefix,p,delim,w/wlist) +# matches prefix p in wlist using delimiter delim +# +# How it works +# trim the words in wlist w +# if find-word-in-list returns not empty +# return true +# else +# return empty +# +define match-prefix +$(strip \ + $(eval w := $(strip $(1)$(strip $(2)))) \ + $(eval text := $(patsubst $(w)%,$(1),$(3))) \ + $(if $(call match-word-in-list,$(1),$(text)),true,) \ +) +endef + +# ---- +# The following utilities are meant for board platform specific +# featurisation + +# $(call get-vendor-board-platforms,v) +# returns list of board platforms for vendor v +define get-vendor-board-platforms +$($(1)_BOARD_PLATFORMS) +endef + +# $(call is-board-platform,bp) +# returns true or empty +define is-board-platform +$(call match-word,$(1),$(TARGET_BOARD_PLATFORM)) +endef + +# $(call is-not-board-platform,bp) +# returns true or empty +define is-not-board-platform +$(if $(call match-word,$(1),$(TARGET_BOARD_PLATFORM)),,true) +endef + +# $(call is-board-platform-in-list,bpl) +# returns true or empty +define is-board-platform-in-list +$(call match-word-in-list,$(TARGET_BOARD_PLATFORM),$(1)) +endef + +# $(call is-vendor-board-platform,vendor) +# returns true or empty +define is-vendor-board-platform +$(strip \ + $(call match-word-in-list,$(TARGET_BOARD_PLATFORM),\ + $(call get-vendor-board-platforms,$(1)) \ + ) \ +) +endef + +# $(call is-chipset-in-board-platform,chipset) +# does a prefix match of chipset in TARGET_BOARD_PLATFORM +# uses underscore as a delimiter +# +# returns true or empty +define is-chipset-in-board-platform +$(call match-prefix,$(1),$(underscore),$(TARGET_BOARD_PLATFORM)) +endef + +# $(call is-chipset-prefix-in-board-platform,prefix) +# does a chipset prefix match in TARGET_BOARD_PLATFORM +# assumes '_' and 'a' as the delimiter to the chipset prefix +# +# How it works +# if ($(prefix)_ or $(prefix)a match in board platform) +# return true +# else +# return empty +# +define is-chipset-prefix-in-board-platform +$(strip \ + $(eval delim_a := $(empty)a$(empty)) \ + $(if \ + $(or \ + $(call match-prefix,$(1),$(delim_a),$(TARGET_BOARD_PLATFORM)), \ + $(call match-prefix,$(1),$(underscore),$(TARGET_BOARD_PLATFORM)), \ + ), \ + true, \ + ) \ +) +endef + +#---- +# The following utilities are meant for Android Code Name +# specific featurisation +# +# refer http://source.android.com/source/build-numbers.html +# for code names and associated sdk versions +CUPCAKE_SDK_VERSIONS := 3 +DONUT_SDK_VERSIONS := 4 +ECLAIR_SDK_VERSIONS := 5 6 7 +FROYO_SDK_VERSIONS := 8 +GINGERBREAD_SDK_VERSIONS := 9 10 +HONEYCOMB_SDK_VERSIONS := 11 12 13 +ICECREAM_SANDWICH_SDK_VERSIONS := 14 15 +JELLY_BEAN_SDK_VERSIONS := 16 17 18 + +# $(call is-platform-sdk-version-at-least,version) +# version is a numeric SDK_VERSION defined above +define is-platform-sdk-version-at-least +$(strip \ + $(if $(filter 1,$(shell echo "$$(( $(PLATFORM_SDK_VERSION) >= $(1) ))" )), \ + true, \ + ) \ +) +endef + +# $(call is-android-codename,codename) +# codename is one of cupcake,donut,eclair,froyo,gingerbread,icecream +# please refer the $(codename)_SDK_VERSIONS declared above +define is-android-codename +$(strip \ + $(if \ + $(call match-word-in-list,$(PLATFORM_SDK_VERSION),$($(1)_SDK_VERSIONS)), \ + true, \ + ) \ +) +endef + +# $(call is-android-codename-in-list,cnlist) +# cnlist is combination/list of android codenames +define is-android-codename-in-list +$(strip \ + $(eval acn := $(empty)) \ + $(foreach \ + i,$(1),\ + $(eval acn += \ + $(if \ + $(call \ + match-word-in-list,\ + $(PLATFORM_SDK_VERSION),\ + $($(i)_SDK_VERSIONS)\ + ),\ + true,\ + )\ + )\ + ) \ + $(if $(strip $(acn)),true,) \ +) +endef -- cgit v1.2.3