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tbbr-tools: enable override TRUSTED_KEY_CERT 

Platforms, which requires additional images to be
verified using TBBR; such that their key certificate
is tied to TRUSTED_KEY_CERT.

For such platforms, if make commands runs twice:
 - Once with targets as bl2 & fip.bin, and
 - Again to build the target as the additional image.

then, if path to the TRUSTED_KEY_CERT varies in the
makefile with make-target of the additional image, then
there would be two location where "trusted_key.crt" will
be created.

This patch helps overriding the TRUSTED_KEY_CERT from any .mk
in the platform's makefile structure.

Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: I775a2c409035504b21b0bbe5a4f9046898163eed
This commit is contained in:
Pankaj Gupta 2021-01-26 21:04:16 +05:30
parent 4a81a9f1be
commit 6c74c9977d
1 changed files with 2 additions and 2 deletions
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4
make_helpers/tbbr/tbbr_tools.mk
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@ -1,5 +1,5 @@
#
# Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
# Copyright (c) 2015-2021, ARM Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
@ -33,7 +33,7 @@
#
# Certificate generation tool default parameters
TRUSTED_KEY_CERT := ${BUILD_PLAT}/trusted_key.crt
TRUSTED_KEY_CERT ?= ${BUILD_PLAT}/trusted_key.crt
FWU_CERT := ${BUILD_PLAT}/fwu_cert.crt
# Default non-volatile counter values (overridable by the platform)