87 lines
2.3 KiB
CMake
87 lines
2.3 KiB
CMake
cmake_minimum_required(VERSION 3.22)
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project(abstract-machine)
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enable_language(CXX C ASM)
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set(CMAKE_C_STANDARD 11)
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set(CMAKE_CXX_STANDARD 11)
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include(CMakeDependentOption)
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include(CMakePackageConfigHelpers) # Used to find libcheck
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include(CTest)
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# -- General options
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set(ISA CACHE STRING "Target ISA")
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set_property(CACHE ISA PROPERTY STRINGS "riscv" "x86" "x86_64" "native")
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string(TOUPPER ${ISA} ISA_UPPER)
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cmake_dependent_option(
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__PLATFORM_NEMU__ "Run on NEMU"
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ON "ISA MATCHES \"(riscv | x86)\"" OFF)
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cmake_dependent_option(
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__PLATFORM_NATIVE__ "Run on native"
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ON "ISA MATCHES native" OFF)
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# -- Set PLATFORM according to options
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set(MATCH_PLATFORM_PATTERN "^__PLATFORM_([A-Z]*)__")
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get_cmake_property(CACHE_VARS CACHE_VARIABLES)
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message(STATUS "ISA: ${ISA}")
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foreach(VAR IN LISTS CACHE_VARS)
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if(VAR MATCHES ${MATCH_PLATFORM_PATTERN})
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# Retrieve the value of the cache variable
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get_property(VAR_VALUE CACHE ${VAR} PROPERTY VALUE)
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set(PLATFORM_UPPER ${CMAKE_MATCH_1})
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string(TOLOWER ${PLATFORM_UPPER} PLATFORM)
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message(STATUS "Variable: ${VAR}=${VAR_VALUE}, Platform: ${PLATFORM}")
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endif()
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endforeach()
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if(${PLATFORM} MATCHES "native")
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set(ARCH "native")
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else()
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set(ARCH ${ISA}-${PLATFORM})
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endif()
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string(TOUPPER ${ARCH} ARCH_UPPER)
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# -- Target specific options
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cmake_dependent_option(
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NATIVE_USE_KLIB "Use Klib even if on native"
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ON "NOT __ISA_NATIVE__" OFF)
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# -- Add compile definitions based on options
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add_compile_definitions(
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$<MAKE_C_IDENTIFIER:__ARCH_${ARCH_UPPER}__>
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__ISA_${ISA_UPPER}__
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__PLATFORM_${PLATFORM_UPPER}__
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)
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add_compile_definitions(
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$<$<BOOL:${NATIVE_USE_KLIB}>:__NATIVE_USE_KLIB__>
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)
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# -- Required compiler flags
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add_compile_options(
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# -Werror
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-Wno-main
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-fno-asynchronous-unwind-tables
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-fno-builtin
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-fno-stack-protector
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-U_FORTIFY_SOURCE
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$<$<COMPILE_LANGUAGE:CXX>:-fno-exceptions>
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$<$<COMPILE_LANGUAGE:CXX>:-ffreestanding>
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$<$<COMPILE_LANGUAGE:CXX>:-fno-rtti>)
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add_link_options(
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-znoexecstack
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)
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# -- Include linker script here. Use this linker script at link time if INCLUDE_LINKER_SCRIPT is set to true
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set(LINKER_SCRIPT linker.ld)
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list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
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add_compile_options(-march=rv32if -mabi=ilp32)
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add_link_options(-march=rv32if -mabi=ilp32)
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add_subdirectory(klib)
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add_subdirectory(am)
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