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authorVincent Palatin <vpalatin@chromium.org>2018-01-25 10:24:57 +0100
committerchrome-bot <chrome-bot@chromium.org>2018-01-26 13:25:49 -0800
commit17014655511d0b2b254d5f1f58e3e0f471694a41 (patch)
tree6ed54b8b804d5069c42d77e1fd2636f905c54bb0 /Makefile
parent9b7b5460d2ccfdf6cc28ea8115a6bd6be2496141 (diff)
downloadchrome-ec-17014655511d0b2b254d5f1f58e3e0f471694a41.tar.gz
Make CONFIG_MALLOC partition-specific
Allow to have CONFIG_MALLOC defined for one partition and not the other. The typical use-case is asymetric firmware whose small RO is typically just an updater/verifier (and RW signature verification currently doesn't like malloc as the memory initialization is done too late). Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BRANCH=none BUG=b:72360575 TEST=make buildall Change-Id: I67cc04cd11385d4c05556ea41ef674cb7a232e65 Reviewed-on: https://chromium-review.googlesource.com/885820 Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com> Tested-by: Vincent Palatin <vpalatin@chromium.org> Reviewed-by: Randall Spangler <rspangler@chromium.org>
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile8
1 files changed, 8 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index feb72fcfed..0df7553f22 100644
--- a/Makefile
+++ b/Makefile
@@ -47,6 +47,14 @@ include Makefile.toolchain
.PHONY: all
all:
+# Returns the opposite of a configuration variable
+# y ->
+# ro -> rw
+# rw -> ro
+# -> y
+# usage: common-$(call not_cfg,$(CONFIG_FOO))+=bar.o
+not_cfg = $(subst ro rw,y,$(filter-out $(1:y=ro rw),ro rw))
+
# The board makefile sets $CHIP and the chip makefile sets $CORE.
# Include those now, since they must be defined for _flag_cfg below.
include $(BDIR)/build.mk