cmake_minimum_required(VERSION 3.21)
project(mnrs-bsp LANGUAGES ASM C)

if(NOT DEFINED BOARD)
message(FATAL_ERROR "No Board selected")
endif()
add_compile_definitions("BOARD_${BOARD}")
# check if we are building for a testbench, adjust the Base accordingly
set(BOARD_BASE ${BOARD})

option(SEMIHOSTING "Enable semihosting support" OFF)
if(SEMIHOSTING)
    add_compile_definitions(SEMIHOSTING)
endif()

add_library(startup STATIC env/start.S env/entry.S)
target_include_directories(startup PUBLIC env include)

add_subdirectory(libwrap)

add_library(bsp INTERFACE)
target_link_libraries(bsp INTERFACE startup wrap)
target_include_directories(bsp INTERFACE env/${BOARD_BASE})
target_link_options(bsp INTERFACE LINKER:--no-warn-rwx-segments -nostartfiles -T ${CMAKE_CURRENT_SOURCE_DIR}/env/${BOARD_BASE}/link.lds)
if(SEMIHOSTING)
    target_include_directories(bsp INTERFACE /include)
    target_sources(bsp INTERFACE env/semihosting.c env/trap.c)
endif()