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BuildSystem: Cleanup kernel cmake file

This commit is contained in:
Bananymous 2024-08-18 20:44:12 +03:00
parent 368f5e9799
commit 8902032b42
1 changed files with 23 additions and 16 deletions
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39
kernel/CMakeLists.txt
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@ -175,35 +175,42 @@ set(KERNEL_SOURCES
add_executable(kernel ${KERNEL_SOURCES})
target_compile_definitions(kernel PUBLIC __is_kernel)
target_compile_definitions(kernel PRIVATE __is_kernel)
target_compile_definitions(kernel PRIVATE __arch=${BANAN_ARCH})
target_compile_definitions(kernel PRIVATE __enable_sse=${BANAN_ENABLE_SSE})
if (NOT BANAN_ENABLE_SSE)
target_compile_options(kernel PRIVATE -mno-sse -mno-sse2)
endif ()
target_compile_options(kernel PUBLIC -O2 -g)
target_compile_options(kernel PUBLIC $<$<COMPILE_LANGUAGE:CXX>:-Wno-literal-suffix -fno-rtti -fno-exceptions>)
target_compile_options(kernel PUBLIC -fmacro-prefix-map=${CMAKE_CURRENT_SOURCE_DIR}=.)
target_compile_options(kernel PUBLIC -fstack-protector -ffreestanding -fno-omit-frame-pointer -fstrict-volatile-bitfields -mgeneral-regs-only)
target_compile_options(kernel PUBLIC -Wall -Wextra -Werror -Wstack-usage=1024)
target_compile_options(kernel PRIVATE
-O2 -g
-fmacro-prefix-map=${CMAKE_CURRENT_SOURCE_DIR}=.
-fstack-protector
-ffreestanding
-fno-omit-frame-pointer
-fstrict-volatile-bitfields
-mgeneral-regs-only
-Wall -Wextra -Werror -Wstack-usage=1024
)
# This might not work with other toolchains
target_compile_options(kernel PUBLIC $<$<COMPILE_LANGUAGE:CXX>:-Wno-invalid-offsetof>)
target_compile_options(kernel PRIVATE $<$<COMPILE_LANGUAGE:CXX>:
-Wno-literal-suffix
-Wno-invalid-offsetof
-fno-rtti
-fno-exceptions>
)
if(ENABLE_KERNEL_UBSAN)
target_compile_options(kernel PUBLIC -fsanitize=undefined)
target_compile_options(kernel PRIVATE -fsanitize=undefined)
endif()
if("${BANAN_ARCH}" STREQUAL "x86_64")
target_compile_options(kernel PUBLIC -mcmodel=kernel -mno-red-zone)
target_link_options(kernel PUBLIC LINKER:-z,max-page-size=4096)
target_link_options(kernel PUBLIC LINKER:-T,${CMAKE_CURRENT_SOURCE_DIR}/arch/x86_64/linker.ld)
target_compile_options(kernel PRIVATE -mcmodel=kernel -mno-red-zone)
target_link_options(kernel PRIVATE LINKER:-z,max-page-size=4096)
target_link_options(kernel PRIVATE LINKER:-T,${CMAKE_CURRENT_SOURCE_DIR}/arch/x86_64/linker.ld)
elseif("${BANAN_ARCH}" STREQUAL "i686")
target_link_options(kernel PUBLIC LINKER:-T,${CMAKE_CURRENT_SOURCE_DIR}/arch/i686/linker.ld)
target_link_options(kernel PRIVATE LINKER:-T,${CMAKE_CURRENT_SOURCE_DIR}/arch/i686/linker.ld)
endif()
target_link_options(kernel PUBLIC -ffreestanding -nostdlib)
target_link_options(kernel PRIVATE -ffreestanding -nostdlib)
execute_process(COMMAND ${CMAKE_CXX_COMPILER} -print-file-name=crtbegin.o OUTPUT_VARIABLE CRTBEGIN OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND ${CMAKE_CXX_COMPILER} -print-file-name=crtend.o OUTPUT_VARIABLE CRTEND OUTPUT_STRIP_TRAILING_WHITESPACE)