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authorVijayenthiran Subramaniam <vijayenthiran.subramaniam@arm.com>2020-02-08 21:27:30 +0530
committerManish Pandey <manish.pandey2@arm.com>2020-02-18 21:53:36 +0000
commit8c7b944adbf1211d8b60bc6618c17ca959514b10 (patch)
tree407ce32744ba7b4a52472b2a9c3e5cfb67b98016
parent8a10c6c274b9c450fb84bb64901d11c47f4e06e1 (diff)
downloadtrusted-firmware-a-8c7b944adbf1211d8b60bc6618c17ca959514b10.tar.gz
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.mk11
1 files changed, 11 insertions, 0 deletions
diff --git a/make_helpers/build_macros.mk b/make_helpers/build_macros.mk
index 1fa26cc2b..b6925d3b1 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