| Evan Lloyd | f269714 | 2015-12-02 18:17:37 +0000 | [diff] [blame] | 1 | # |
| 2 | # Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. |
| 3 | # |
| 4 | # Redistribution and use in source and binary forms, with or without |
| 5 | # modification, are permitted provided that the following conditions are met: |
| 6 | # |
| 7 | # Redistributions of source code must retain the above copyright notice, this |
| 8 | # list of conditions and the following disclaimer. |
| 9 | # |
| 10 | # Redistributions in binary form must reproduce the above copyright notice, |
| 11 | # this list of conditions and the following disclaimer in the documentation |
| 12 | # and/or other materials provided with the distribution. |
| 13 | # |
| 14 | # Neither the name of ARM nor the names of its contributors may be used |
| 15 | # to endorse or promote products derived from this software without specific |
| 16 | # prior written permission. |
| 17 | # |
| 18 | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 19 | # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 20 | # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 21 | # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| 22 | # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 23 | # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 24 | # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 25 | # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 26 | # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 27 | # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 28 | # POSSIBILITY OF SUCH DAMAGE. |
| 29 | # |
| 30 | |
| 31 | ################################################################################ |
| 32 | # Helpers for finding and referencing platform directories |
| 33 | ################################################################################ |
| 34 | |
| 35 | ifndef PLAT_HELPERS_MK |
| 36 | PLAT_HELPERS_MK := $(lastword $(MAKEFILE_LIST)) |
| 37 | |
| 38 | ifeq (${PLAT},) |
| 39 | $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform") |
| 40 | endif |
| 41 | |
| 42 | # PLATFORM_ROOT can be overridden for when building tools directly |
| 43 | PLATFORM_ROOT ?= plat/ |
| 44 | PLAT_MAKEFILE := platform.mk |
| 45 | |
| 46 | # Generate the platforms list by recursively searching for all directories |
| 47 | # under /plat containing a PLAT_MAKEFILE. Append each platform with a `|` |
| 48 | # char and strip out the final '|'. |
| 49 | ALL_PLATFORM_MK_FILES := $(call rwildcard,${PLATFORM_ROOT},${PLAT_MAKEFILE}) |
| 50 | ALL_PLATFORM_DIRS := $(patsubst %/,%,$(dir ${ALL_PLATFORM_MK_FILES})) |
| 51 | ALL_PLATFORMS := $(sort $(notdir ${ALL_PLATFORM_DIRS})) |
| 52 | |
| 53 | PLAT_MAKEFILE_FULL := $(filter %/${PLAT}/${PLAT_MAKEFILE},${ALL_PLATFORM_MK_FILES}) |
| 54 | PLATFORM_LIST := $(subst ${space},|,${ALL_PLATFORMS}) |
| 55 | ifeq ($(PLAT_MAKEFILE_FULL),) |
| 56 | $(error "Error: Invalid platform. The following platforms are available: ${PLATFORM_LIST}") |
| 57 | endif |
| 58 | |
| 59 | # Record the directory where the platform make file was found. |
| 60 | PLAT_DIR := $(dir ${PLAT_MAKEFILE_FULL}) |
| 61 | |
| 62 | endif |