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#----------------------------------------------------------------------------
# SPDX-FileCopyrightText: Copyright 2022 Arm Limited and/or its affiliates <open-source-office@arm.com>
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#----------------------------------------------------------------------------
#########################################################
# Wrapper for enabling stdout and stderr facility #
#########################################################
# This is a wrapper around the UART module for CMSDK #
# and PL011 UART drivers with retarget functions. #
#########################################################
cmake_minimum_required(VERSION 3.21.0)
project(stdout
DESCRIPTION "Standard output and err redirection over UART"
LANGUAGES C CXX)
set(STDOUT_RETARGET OFF CACHE BOOL "Retarget stdout/err to UART")
# Interface library for standard output:
set(STDOUT_IFACE_TARGET stdout_iface)
add_library(${STDOUT_IFACE_TARGET} INTERFACE)
target_include_directories(${STDOUT_IFACE_TARGET} INTERFACE include)
if (STDOUT_RETARGET)
set(STDOUT_COMPONENT_CMSDK stdout_retarget_cmsdk)
set(STDOUT_COMPONENT_PL011 stdout_retarget_pl011)
add_library(${STDOUT_COMPONENT_CMSDK} STATIC)
add_library(${STDOUT_COMPONENT_PL011} STATIC)
# Check prerequisites
## Core platform directory is required to add the UART library project.
if (NOT DEFINED CORE_PLATFORM_DIR)
message(FATAL_ERROR "CORE_PLATFORM_DIR undefined")
endif()
## UART0_BASE is the base address for UART configuration. The platform
## should define it prior to including this library.
if (NOT DEFINED UART0_BASE)
message(WARNING "UART0_BASE undefined, default will be used.")
endif()
## Platform component: UART
add_subdirectory(${CORE_PLATFORM_DIR}/drivers/uart ${CMAKE_BINARY_DIR}/uart)
## Component sources - public
target_sources(${STDOUT_COMPONENT_CMSDK}
PUBLIC
source/retarget.c)
## Component sources - public
target_sources(${STDOUT_COMPONENT_PL011}
PUBLIC
source/retarget.c)
# Link
target_link_libraries(${STDOUT_COMPONENT_CMSDK}
PUBLIC
${STDOUT_IFACE_TARGET}
ethosu_uart_cmsdk_apb)
target_link_libraries(${STDOUT_COMPONENT_PL011}
PUBLIC
${STDOUT_IFACE_TARGET}
ethosu_uart_pl011)
# Display status
message(STATUS "CMAKE_CURRENT_SOURCE_DIR: " ${CMAKE_CURRENT_SOURCE_DIR})
message(STATUS "*******************************************************")
message(STATUS "Library: " ${STDOUT_COMPONENT_CMSDK})
message(STATUS "Library: " ${STDOUT_COMPONENT_PL011})
message(STATUS "*******************************************************")
else()
# Create static library for retarget (stdout/err over UART)
set(STDOUT_COMPONENT stdout)
add_library(${STDOUT_COMPONENT} STATIC)
## Component sources - public
target_sources(${STDOUT_COMPONENT}
PUBLIC
source/user_input.c)
target_link_libraries(${STDOUT_COMPONENT}
PUBLIC
${STDOUT_IFACE_TARGET})
# Display status
message(STATUS "CMAKE_CURRENT_SOURCE_DIR: " ${CMAKE_CURRENT_SOURCE_DIR})
message(STATUS "*******************************************************")
message(STATUS "Library: " ${STDOUT_COMPONENT})
message(STATUS "*******************************************************")
endif()
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