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| author | nagendra modadugu <ngm@google.com> | 2016-12-13 10:20:54 -0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2016-12-13 23:49:39 -0800 |
| commit | c7ea2c9125b9d6be9a52c6358e2892ff67e404c7 (patch) | |
| tree | 9d5c7cfd87257346cc042bae57a32c18ae2cc3f3 /board/cr50/build.mk | |
| parent | d3e662bf77234755c0483643dac5a6a74beda3ea (diff) | |
| download | chrome-ec-c7ea2c9125b9d6be9a52c6358e2892ff67e404c7.tar.gz | |
CR50: make SHA512 a config option
Turn SHA512 support into a config option so that
boards may individually enable SHA512 support.
BRANCH=none
BUG=chromium:673778
CQ-DEPEND=CL:419578
TEST=make buildall succeeds
Change-Id: Ib857a3e97f1c2ec7066ae23ac725c7bf3d194e01
Signed-off-by: nagendra modadugu <ngm@google.com>
Reviewed-on: https://chromium-review.googlesource.com/419327
Commit-Ready: Nagendra Modadugu <ngm@google.com>
Tested-by: Nagendra Modadugu <ngm@google.com>
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
Diffstat (limited to 'board/cr50/build.mk')
| -rw-r--r-- | board/cr50/build.mk | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/board/cr50/build.mk b/board/cr50/build.mk index d2194c39e4..9aeaf391b7 100644 --- a/board/cr50/build.mk +++ b/board/cr50/build.mk @@ -63,14 +63,21 @@ CPPFLAGS += -I$(abspath ./chip/$(CHIP)) CPPFLAGS += -I$(abspath .) CPPFLAGS += -I$(abspath $(BDIR)) CPPFLAGS += -I$(abspath ./test) +ifeq ($(CONFIG_UPTO_SHA512),y) +CPPFLAGS += -DSHA512_SUPPORT +endif # Make sure the context of the software sha512 implementation fits. If it ever # increases, a compile time assert will fire in tpm2/hash.c. +ifeq ($(CONFIG_UPTO_SHA512),y) CFLAGS += -DUSER_MIN_HASH_STATE_SIZE=208 +else +CFLAGS += -DUSER_MIN_HASH_STATE_SIZE=112 +endif # Configure TPM2 headers accordingly. CFLAGS += -DEMBEDDED_MODE=1 # Configure cryptoc headers to handle unaligned accesses. -CFLAGS += -DSUPPORT_UNALIGNED=1 -DSHA512_SUPPORT=1 +CFLAGS += -DSUPPORT_UNALIGNED=1 # Add dependencies on that library $(out)/RW/ec.RW.elf $(out)/RW/ec.RW_B.elf: LDFLAGS_EXTRA += -L$(out)/tpm2 -ltpm2 |