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AArch32 only platforms can boot the OP-TEE secure firmware as a BL32 secure payload. Such configuration can be defined through AARCH32_SP=optee. The source files can rely on AARCH32_SP_OPTEE to condition OP-TEE boot specific instruction sequences. OP-TEE does not expect ARM Trusted Firmware formatted structure as boot argument. Load sequence is expected to have already loaded to OP-TEE boot arguments into the bl32 entrypoint info structure. Last, AArch32 platform can only boot AArch32 OP-TEE images. Change-Id: Ic28eec5004315fc9111051add6bb1a1d607fc815 Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
16 lines
476 B
Makefile
16 lines
476 B
Makefile
#
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# Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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# This makefile only aims at complying with ARM Trusted Firmware build process so
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# that "optee" is a valid ARM Trusted Firmware AArch32 Secure Playload identifier.
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ifneq ($(ARCH),aarch32)
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$(error This directory targets AArch32 support)
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endif
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$(eval $(call add_define,AARCH32_SP_OPTEE))
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$(info ARM Trusted Firmware built for OP-TEE payload support)
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