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cmake_minimum_required(VERSION 3.0)
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project(biscuit_user)
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enable_language(ASM)
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# Path
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aux_source_directory(c SRCS)
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aux_source_directory(c/libs LIBS)
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include_directories(c/include)
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set(EXECUTABLE_OUTPUT_PATH ${ARCH})
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# Toolchain
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if (${ARCH} STREQUAL i386)
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if(APPLE)
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set(PREFIX i386-elf-)
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endif ()
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set(CMAKE_C_FLAGS "-m32 -mno-red-zone")
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elseif (${ARCH} STREQUAL x86_64)
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if(APPLE)
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set(PREFIX x86_64-elf-)
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endif ()
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set(CMAKE_C_FLAGS "-m64 -mno-red-zone")
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elseif (${ARCH} STREQUAL riscv32)
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set(PREFIX riscv64-unknown-elf-)
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set(CMAKE_C_FLAGS "-march=rv32imac -mabi=ilp32 -mcmodel=medany")
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elseif (${ARCH} STREQUAL riscv64)
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set(PREFIX riscv64-unknown-elf-)
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set(CMAKE_C_FLAGS "-march=rv64imac -mabi=lp64 -mcmodel=medany")
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elseif (${ARCH} STREQUAL aarch64)
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set(PREFIX aarch64-none-elf-)
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set(LINK_FLAGS "-Ttext 0xffff000000000000")
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else()
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message("Unsupported arch: ${ARCH}")
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endif ()
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set(CMAKE_ASM_COMPILER ${PREFIX}gcc)
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set(CMAKE_C_COMPILER ${PREFIX}gcc)
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set(CMAKE_RANLIB ${PREFIX}ranlib)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Werror -MMD -MP -O -g -ffreestanding -nostdlib -nostdinc -fno-builtin -fno-stack-protector -fPIC -std=gnu11")
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set(CMAKE_ASM_FLAGS ${CMAKE_C_FLAGS})
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set(CMAKE_C_LINK_FLAGS "${LINK_FLAGS} -nostdlib") # override default value to get rid of '-Wl,-search_paths_first -Wl,-headerpad_max_install_names'
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set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS) # override default value to get rid of '-rdynamic' on Linux
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# Library
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add_library(ulib ${LIBS})
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# Execuatble
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|
foreach (PATH ${SRCS})
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|
|
get_filename_component(NAME ${PATH} NAME_WE)
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|
|
add_executable(${NAME} ${PATH})
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|
|
target_link_libraries(${NAME} ulib gcc)
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|
endforeach ()
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