mirror of
https://github.com/RGBCube/serenity
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697e6ccb89
As a demo, query the firmware version. `Meta/serenity.sh gdb aarch64` can be used to observe that qemu puts 0x548E1 in x0 in response to this mailbox message.
68 lines
2.6 KiB
CMake
68 lines
2.6 KiB
CMake
set(SOURCES
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UBSanitizer.cpp
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../MiniStdLib.cpp
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)
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if ("${SERENITY_ARCH}" STREQUAL "aarch64")
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set(SOURCES
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# This has to be first, so that the entry point is at the start of the image.
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# Needed because:
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# - execution starts at the start of the image
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# - the stack pointer currently starts before the start symbol, so if the start symbol isn't the first symbol, the stack will clobber arbitrary code
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# FIXME: Use an aarch64-specific linker script instead.
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Arch/aarch64/boot.S
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${SOURCES}
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Arch/aarch64/Mailbox.cpp
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Arch/aarch64/MainIdRegister.cpp
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Arch/aarch64/MMIO.cpp
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Arch/aarch64/init.cpp
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)
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else()
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set(SOURCES
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${SOURCES}
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Arch/x86/boot.S
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Arch/x86/multiboot.S
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# FIXME: Eventually, some of these should build on aarch64 too.
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init.cpp
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../../Userland/Libraries/LibELF/Relocation.cpp
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)
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endif()
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if ("${SERENITY_ARCH}" STREQUAL "i686")
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set(PREKERNEL_TARGET Prekernel32)
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elseif ("${SERENITY_ARCH}" STREQUAL "x86_64")
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set(PREKERNEL_TARGET Prekernel64)
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else()
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set(PREKERNEL_TARGET Prekernel)
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endif()
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set(CMAKE_CXX_FLAGS "${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-${SERENITY_CLANG_ARCH}" c++abi)
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endif()
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if ("${SERENITY_ARCH}" STREQUAL "i686" OR "${SERENITY_ARCH}" STREQUAL "x86_64")
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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 ${CMAKE_CURRENT_BINARY_DIR}/Prekernel
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)
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endif()
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install(FILES "${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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