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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:13:47 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:13:47 +0000
commit102b0d2daa97dae68d3eed54d8fe37a9cc38a892 (patch)
treebcf648efac40ca6139842707f0eba5a4496a6dd2 /make_helpers/plat_helpers.mk
parentInitial commit. (diff)
downloadarm-trusted-firmware-102b0d2daa97dae68d3eed54d8fe37a9cc38a892.tar.xz
arm-trusted-firmware-102b0d2daa97dae68d3eed54d8fe37a9cc38a892.zip
Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'make_helpers/plat_helpers.mk')
-rw-r--r--make_helpers/plat_helpers.mk38
1 files changed, 38 insertions, 0 deletions
diff --git a/make_helpers/plat_helpers.mk b/make_helpers/plat_helpers.mk
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+++ b/make_helpers/plat_helpers.mk
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+#
+# Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+################################################################################
+# Helpers for finding and referencing platform directories
+################################################################################
+
+ifndef PLAT_HELPERS_MK
+ PLAT_HELPERS_MK := $(lastword $(MAKEFILE_LIST))
+
+ ifeq (${PLAT},)
+ $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform")
+ endif
+
+ # TF_PLATFORM_ROOT can be overridden for when building tools directly
+ TF_PLATFORM_ROOT ?= plat/
+ PLAT_MAKEFILE := platform.mk
+
+ # Generate the platforms list by recursively searching for all directories
+ # under /plat containing a PLAT_MAKEFILE. Append each platform with a `|`
+ # char and strip out the final '|'.
+ ALL_PLATFORM_MK_FILES := $(call rwildcard,${TF_PLATFORM_ROOT},${PLAT_MAKEFILE})
+ ALL_PLATFORM_DIRS := $(patsubst %/,%,$(dir ${ALL_PLATFORM_MK_FILES}))
+ ALL_PLATFORMS := $(sort $(notdir ${ALL_PLATFORM_DIRS}))
+
+ PLAT_MAKEFILE_FULL := $(filter %/${PLAT}/${PLAT_MAKEFILE},${ALL_PLATFORM_MK_FILES})
+ PLATFORM_LIST := $(subst ${space},|,${ALL_PLATFORMS})
+ ifeq ($(PLAT_MAKEFILE_FULL),)
+ $(error "Error: Invalid platform. The following platforms are available: ${PLATFORM_LIST}")
+ endif
+
+ # Record the directory where the platform make file was found.
+ PLAT_DIR := $(dir ${PLAT_MAKEFILE_FULL})
+
+endif