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| author | Vijayenthiran Subramaniam <vijayenthiran.subramaniam@arm.com> | 2020-02-08 21:27:30 +0530 |
|---|---|---|
| committer | Manish Pandey <manish.pandey2@arm.com> | 2020-02-18 21:53:36 +0000 |
| commit | 8c7b944adbf1211d8b60bc6618c17ca959514b10 (patch) | |
| tree | 407ce32744ba7b4a52472b2a9c3e5cfb67b98016 | |
| parent | 8a10c6c274b9c450fb84bb64901d11c47f4e06e1 (diff) | |
build_macros: add create sequence helper function
Add `CREATE_SEQ` function to generate sequence of numbers starting from
1 to allow easy comparison of a user defined macro with non-zero
positive numbers.
Change-Id: Ibcb336a223d958154b1007d08c428fbaf1e48664
Signed-off-by: Vijayenthiran Subramaniam <vijayenthiran.subramaniam@arm.com>
| -rw-r--r-- | make_helpers/build_macros.mk | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/make_helpers/build_macros.mk b/make_helpers/build_macros.mk index 1fa26cc2bc..b6925d3b15 100644 --- a/make_helpers/build_macros.mk +++ b/make_helpers/build_macros.mk @@ -67,6 +67,17 @@ $(foreach d,$(0-9),$(eval __numeric := $(subst $(d),,$(__numeric)))) $(if $(__numeric),$(error $(1) must be numeric)) endef +# CREATE_SEQ is a recursive function to create sequence of numbers from 1 to +# $(2) and assign the sequence to $(1) +define CREATE_SEQ +$(if $(word $(2), $($(1))),\ + $(eval $(1) += $(words $($(1))))\ + $(eval $(1) := $(filter-out 0,$($(1)))),\ + $(eval $(1) += $(words $($(1))))\ + $(call CREATE_SEQ,$(1),$(2))\ +) +endef + # IMG_LINKERFILE defines the linker script corresponding to a BL stage # $(1) = BL stage (2, 30, 31, 32, 33) define IMG_LINKERFILE |