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feat(fvp): support building RSS comms driver

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On one hand, there is currently no upstream platform supporting the
RSS. On the other hand, we are gradually introducing driver code for
RSS. Even though we cannot test this code in the TF-A CI right now, we
can at least build it to make sure no build regressions are introduced
as we continue development.

This patch adds support for overriding PLAT_RSS_NOT_SUPPORTED build
flag (which defaults to 1 on the Base AEM FVP) from the command
line. This allows introducing an ad-hoc CI build config with
PLAT_RSS_NOT_SUPPORTED=0, which will correctly pull in the RSS and MHU
source files. Of course, the resulting firmware will not be
functional.

Change-Id: I2b0e8dd03bf301e7063dd4734ea5266b73265be1
Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>
This commit is contained in:
Sandrine Bailleux 2022-08-31 14:05:38 +02:00
parent 4348497ace
commit 29e6fc5cc7
1 changed files with 15 additions and 1 deletions
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16
plat/arm/board/fvp/platform.mk
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@ -394,9 +394,23 @@ BL2_SOURCES += plat/arm/board/fvp/fvp_common_measured_boot.c \
PLAT_INCLUDES += -Iinclude/lib/psa
# RSS is not supported on FVP right now. Thus, we use the mocked version
# of PSA Measured Boot APIs. They return with success and hard-coded data.
# of the provided PSA APIs. They return with success and hard-coded data.
PLAT_RSS_NOT_SUPPORTED := 1
# Even though RSS is not supported on FVP (see above), we support overriding
# PLAT_RSS_NOT_SUPPORTED from the command line, just for the purpose of building
# the code to detect any build regressions. The resulting firmware will not be
# functional.
ifneq (${PLAT_RSS_NOT_SUPPORTED},1)
$(warning "RSS is not supported on FVP. The firmware will not be functional.")
include drivers/arm/rss/rss_comms.mk
BL1_SOURCES += ${RSS_COMMS_SOURCES}
BL2_SOURCES += ${RSS_COMMS_SOURCES}
BL1_CFLAGS += -DPLAT_ATTEST_TOKEN_MAX_SIZE=0
BL2_CFLAGS += -DPLAT_ATTEST_TOKEN_MAX_SIZE=0
endif
endif
ifeq (${TRUSTED_BOARD_BOOT}, 1)