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60 lines
2.8 KiB
CMake
60 lines
2.8 KiB
CMake
# See the end of this file for copyright and license terms.
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set(TOOLCHAIN_PATH "/usr/bin" CACHE STRING "Toolchain directory")
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set(CMAKE_SYSTEM_NAME Generic)
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set(CMAKE_CROSSCOMPILING 1)
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set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
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if (CFG_X86_64)
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set(CMAKE_SYSTEM_PROCESSOR x86-64)
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set(_toolchain_common_flags "-m64 -march=x86-64")
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set(_toolchain_triple x86_64-pc-none-elf)
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set(_toolchain_bits 64)
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else()
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set(CMAKE_SYSTEM_PROCESSOR i686)
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set(_toolchain_common_flags "-m32 -march=i686")
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set(_toolchain_triple i686-pc-none-elf)
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set(_toolchain_bits 32)
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endif()
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set(CMAKE_AR ${TOOLCHAIN_PATH}/${CMAKE_EXECUTABLE_PREFIX}ar${CMAKE_EXECUTABLE_SUFFIX})
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set(CMAKE_ASM_COMPILER ${TOOLCHAIN_PATH}/${CMAKE_EXECUTABLE_PREFIX}clang${CMAKE_EXECUTABLE_SUFFIX})
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set(CMAKE_C_COMPILER ${TOOLCHAIN_PATH}/${CMAKE_EXECUTABLE_PREFIX}clang${CMAKE_EXECUTABLE_SUFFIX})
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set(CMAKE_LINKER ${TOOLCHAIN_PATH}/${CMAKE_EXECUTABLE_PREFIX}ld.lld${CMAKE_EXECUTABLE_SUFFIX})
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set(CMAKE_OBJCOPY ${TOOLCHAIN_PATH}/${CMAKE_EXECUTABLE_PREFIX}objcopy${CMAKE_EXECUTABLE_SUFFIX} CACHE INTERNAL "")
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set(CMAKE_RANLIB ${TOOLCHAIN_PATH}/${CMAKE_EXECUTABLE_PREFIX}ranlib${CMAKE_EXECUTABLE_SUFFIX} CACHE INTERNAL "")
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set(CMAKE_SZE ${TOOLCHAIN_PATH}/${CMAKE_EXECUTABLE_PREFIX}szr${CMAKE_EXECUTABLE_SUFFIX} CACHE INTERNAL "")
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set(CMAKE_STRIP ${TOOLCHAIN_PATH}/${CMAKE_EXECUTABLE_PREFIX}strip${CMAKE_EXECUTABLE_SUFFIX} CACHE INTERNAL "")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_toolchain_common_flags} -mcmodel=kernel -mno-red-zone -mno-mmx -mno-sse -msoft-float")
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set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} ${_toolchain_common_flags}")
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set(CMAKE_C_COMPILER_TARGET ${_toolchain_triple})
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set(CMAKE_ASM_COMPILER_TARGET ${_toolchain_triple})
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set(CMAKE_EXE_LINKER_FLAGS_INIT "-fuse-ld=lld")
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set(CMAKE_MODULE_LINKER_FLAGS_INIT "-fuse-ld=lld")
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set(CMAKE_SHARED_LINKER_FLAGS_INIT "-fuse-ld=lld")
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configure_file(
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"${CMAKE_CURRENT_LIST_DIR}/kernel_config.ld.in"
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"${CMAKE_BINARY_DIR}/config/kernel_config.ld"
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)
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -T${CMAKE_BINARY_DIR}/config/kernel_config.ld -T${CMAKE_CURRENT_LIST_DIR}/kernel${_toolchain_bits}.ld")
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
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# This file is part of GayBSD.
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# Copyright (c) 2021 fef <owo@fef.moe>.
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#
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# GayBSD is nonviolent software: you may only use, redistribute, and/or
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# modify it under the terms of the Cooperative Nonviolent Public License
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# (CNPL) as found in the LICENSE file in the source code root directory
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# or at <https://git.pixie.town/thufie/npl-builder>; either version 7
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# of the license, or (at your option) any later version.
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#
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# GayBSD comes with ABSOLUTELY NO WARRANTY, to the extent
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# permitted by applicable law. See the CNPL for details.
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