68 lines
2.9 KiB
Plaintext
68 lines
2.9 KiB
Plaintext
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set(KERNEL_BINARY kernel64.x)
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if (CMAKE_COMPILER_IS_GNUCC AND (CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL 8 OR CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 8))
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set(FCF_PROTECTION_FLAG -fcf-protection=none)
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else()
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set(FCF_PROTECTION_FLAG )
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endif()
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set(ARCH_X86_64_KERNEL_CFLAGS -m64 -O0 -gdwarf-2 -Wall -Wextra -Werror -Wno-error=format -Wno-nonnull-compare -nostdinc -nostdlib -nostartfiles -nodefaultlibs -fno-builtin -fno-exceptions -fno-stack-protector -ffreestanding -mcmodel=kernel -mno-red-zone -mgeneral-regs-only -mno-mmx -mno-sse2 -mno-sse3 -mno-3dnow ${FCF_PROTECTION_FLAG} ${NOPICFLAG})
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set(KERNEL_CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} -std=gnu++17 -nostdinc++ -fno-rtti ${ARCH_X86_64_KERNEL_CFLAGS})
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set(KERNEL_CMAKE_C_FLAGS ${CMAKE_C_FLAGS} -std=gnu11 ${ARCH_X86_64_KERNEL_CFLAGS})
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set(ARCH_LD_ARGUMENTS -m64 -Wl,--build-id=none -Wl,-z,max-page-size=0x1000 -Wl,-melf_x86_64 -nostdinc -nostdlib -nodefaultlibs)
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set(KERNEL_LD_ARGUMENT ${ARCH_LD_ARGUMENTS} -mcmodel=kernel ${NOPIEFLAG})
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set(ARCH_APPEND_LD_ARGUMENTS )
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function(ARCH2OBJ ARCHOBJ_LIBNAME LIBRARY_NAME)
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file(GLOB arch_files "*.32.C")
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if(arch_files)
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set(ARCHOBJS_TARGET ${LIBRARY_NAME}_archobjs)
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add_library(${ARCHOBJS_TARGET} OBJECT ${arch_files})
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target_compile_options(${ARCHOBJS_TARGET} PRIVATE
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$<$<COMPILE_LANGUAGE:CXX>:${KERNEL_CMAKE_CXX_FLAGS}>
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$<$<COMPILE_LANGUAGE:C>:${KERNEL_CMAKE_C_FLAGS}>
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-m32 -g0 -mcmodel=32 -mgeneral-regs-only -momit-leaf-frame-pointer -Wa,--64 -fno-toplevel-reorder ${FCF_PROTECTION_FLAG}
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)
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set(${ARCHOBJ_LIBNAME} ${ARCHOBJS_TARGET} PARENT_SCOPE)
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endif(arch_files)
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endfunction(ARCH2OBJ)
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set(KERNEL_IMAGE_OBJCOPY COMMAND ${OBJCOPY_EXECUTABLE} ${PROJECT_BINARY_DIR}/kernel.x --strip-unneeded ${PROJECT_BINARY_DIR}/kernel.x)
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if ("${DEBUG}" STREQUAL "1")
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set(KERNEL_IMAGE_OBJCOPY )
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endif()
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set(KERNEL_IMAGE_OBJCOPY
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COMMAND ${PROJECT_BINARY_DIR}/add-dbg ${PROJECT_BINARY_DIR}/kernel.x ${PROJECT_BINARY_DIR}/kernel.dbg
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${KERNEL_IMAGE_OBJCOPY}
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COMMAND mv ${PROJECT_BINARY_DIR}/kernel.x ${PROJECT_BINARY_DIR}/kernel64.x && ${OBJCOPY_EXECUTABLE} -O elf32-i386 ${PROJECT_BINARY_DIR}/kernel64.x ${PROJECT_BINARY_DIR}/kernel.x
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)
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set(AVAILABLE_MEMORY 8M)
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set(QEMU_BIN qemu-system-x86_64)
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set(QEMU_FLAGS_COMMON -m ${AVAILABLE_MEMORY} -drive file=${HDD_IMAGE},index=0,media=disk -debugcon stdio -no-reboot)
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string(REPLACE ";" " " QEMU_FLAGS_COMMON_STR "${QEMU_FLAGS_COMMON}")
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# qemu: Run qemu in non debugging mode
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add_custom_target(qemu
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COMMAND ${QEMU_BIN} ${QEMU_FLAGS_COMMON} -cpu qemu64 | tee output.log
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COMMENT "Executing `${QEMU_BIN} ${QEMU_FLAGS_COMMON_STR} -cpu qemu64`"
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WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
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COMMAND reset -I
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)
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# qemugdb: Run qemu in debugging mode
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add_custom_target(qemugdb
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COMMAND ${QEMU_BIN} ${QEMU_FLAGS_COMMON} -s -S | tee output.log
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COMMENT "Executing `gdb ${QEMU_BIN} ${QEMU_FLAGS_COMMON_STR} -s -S on localhost:1234`"
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WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
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COMMAND reset -I
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)
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