mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 15:22:43 +00:00
42 lines
1.7 KiB
CMake
42 lines
1.7 KiB
CMake
set(SOURCES
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UBSanitizer.cpp
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../MiniStdLib.cpp
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boot.S
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multiboot.S
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init.cpp
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../../Userland/Libraries/LibELF/Relocation.cpp
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)
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if ("${SERENITY_ARCH}" STREQUAL "x86_64")
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set(PREKERNEL_TARGET Prekernel64)
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elseif("${SERENITY_ARCH}" STREQUAL "aarch64")
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message(SEND_ERROR "Prekernel is not needed on aarch64 and should not be compiled!")
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endif()
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static")
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add_executable(${PREKERNEL_TARGET} ${SOURCES})
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target_compile_options(${PREKERNEL_TARGET} PRIVATE -no-pie -fno-pic -fno-threadsafe-statics)
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target_link_options(${PREKERNEL_TARGET} PRIVATE LINKER:-T ${CMAKE_CURRENT_SOURCE_DIR}/linker.ld -nostdlib LINKER:--no-pie)
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set_target_properties(${PREKERNEL_TARGET} PROPERTIES LINK_DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/linker.ld)
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if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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target_link_libraries(${PREKERNEL_TARGET} PRIVATE gcc)
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elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang$")
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target_link_libraries(${PREKERNEL_TARGET} PRIVATE clang_rt.builtins)
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endif()
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add_custom_command(
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TARGET ${PREKERNEL_TARGET} POST_BUILD
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COMMAND ${CMAKE_OBJCOPY} -O elf32-i386 ${CMAKE_CURRENT_BINARY_DIR}/${PREKERNEL_TARGET} ${CMAKE_CURRENT_BINARY_DIR}/Prekernel
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BYPRODUCTS ${CMAKE_CURRENT_BINARY_DIR}/Prekernel
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)
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install(FILES "${CMAKE_CURRENT_BINARY_DIR}/Prekernel" DESTINATION boot)
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# Remove options which the Prekernel environment doesn't support.
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get_target_property(PREKERNEL_TARGET_OPTIONS ${PREKERNEL_TARGET} COMPILE_OPTIONS)
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list(REMOVE_ITEM PREKERNEL_TARGET_OPTIONS "-fsanitize-coverage=trace-pc")
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list(REMOVE_ITEM PREKERNEL_TARGET_OPTIONS "-fsanitize=kernel-address")
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set_target_properties(${PREKERNEL_TARGET} PROPERTIES COMPILE_OPTIONS "${PREKERNEL_TARGET_OPTIONS}")
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