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https://github.com/ARM-software/arm-trusted-firmware.git
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1b2fb6adb5
In some cases it maybe needed to override some default settings on a particular platform. For example, enable ENABLE_LTO on a size constrained platform. Change-Id: I556d26f6b81c0f3ceb40b7196180995dde22afd0 Signed-off-by: Andrey Skvortsov <andrej.skvortzov@gmail.com>
42 lines
1.9 KiB
Makefile
42 lines
1.9 KiB
Makefile
#
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# Copyright (c) 2016, 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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################################################################################
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# Helpers for finding and referencing platform directories
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################################################################################
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ifndef PLAT_HELPERS_MK
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PLAT_HELPERS_MK := $(lastword $(MAKEFILE_LIST))
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PLAT:= ${DEFAULT_PLAT}
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ifeq (${PLAT},)
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$(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform")
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endif
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# TF_PLATFORM_ROOT can be overridden for when building tools directly
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TF_PLATFORM_ROOT ?= plat/
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PLAT_MAKEFILE := platform.mk
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PLAT_DEFAULTS_MAKEFILE := platform_defaults.mk
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# Generate the platforms list by recursively searching for all directories
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# under /plat containing a PLAT_MAKEFILE. Append each platform with a `|`
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# char and strip out the final '|'.
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ALL_PLATFORM_MK_FILES := $(call rwildcard,${TF_PLATFORM_ROOT},${PLAT_MAKEFILE})
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ALL_PLATFORM_MK_DEF_FILES := $(call rwildcard,${TF_PLATFORM_ROOT},${PLAT_DEFAULTS_MAKEFILE})
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ALL_PLATFORM_DIRS := $(patsubst %/,%,$(dir ${ALL_PLATFORM_MK_FILES}))
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ALL_PLATFORMS := $(sort $(notdir ${ALL_PLATFORM_DIRS}))
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PLAT_MAKEFILE_FULL := $(filter %/${PLAT}/${PLAT_MAKEFILE},${ALL_PLATFORM_MK_FILES})
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PLAT_DEFAULTS_MAKEFILE_FULL := $(filter %/${PLAT}/${PLAT_DEFAULTS_MAKEFILE},${ALL_PLATFORM_MK_DEF_FILES})
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PLATFORM_LIST := $(subst ${space},|,${ALL_PLATFORMS})
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ifeq ($(PLAT_MAKEFILE_FULL),)
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$(error "Error: Invalid platform. The following platforms are available: ${PLATFORM_LIST}")
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endif
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# Record the directory where the platform make file was found.
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PLAT_DIR := $(dir ${PLAT_MAKEFILE_FULL})
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endif
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