75 lines
2.3 KiB
CMake
75 lines
2.3 KiB
CMake
add_executable(zion
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boot/boot_info.cpp
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common/gdt.cpp
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common/load_gdt.s
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debug/debug.cpp
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interrupt/interrupt.cpp
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interrupt/interrupt_enter.s
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interrupt/timer.cpp
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loader/elf_loader.cpp
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loader/init_loader.cpp
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memory/kernel_heap.cpp
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memory/kernel_stack_manager.cpp
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memory/paging_util.cpp
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memory/physical_memory.cpp
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memory/user_stack_manager.cpp
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memory/virtual_memory.cpp
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scheduler/context_switch.s
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scheduler/jump_user_space.s
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scheduler/process.cpp
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scheduler/process_manager.cpp
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scheduler/scheduler.cpp
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scheduler/thread.cpp
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syscall/syscall.cpp
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syscall/syscall_enter.s
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zion.cpp)
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target_include_directories(zion
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PRIVATE
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${CMAKE_CURRENT_SOURCE_DIR}
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)
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# -c -- Don't run the linker (only necessary for the assembler)
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# -ffreestanding
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# -fno-rtti -- No runtime type information (might mess with polymorphism?)
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# -fno-exceptions -- Disable exceptions.
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# -nostdlib -- Don't include the standard library.
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# -mabi=sysv -- Explicitly specify the ABI since we will rely on it.
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# -mno-red-zone -- Don't put data below the stack pointer (clobbered by interrupts).
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# -mcmodel=kernel -- Assume the kernel code is running in the higher half.
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# -mgeneral-regs-only -- Prevent GCC from using a whole host of nonsense registers (that we have to enable).
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set(_Z_COMPILE_FLAGS "${CMAKE_CXX_FLAGS} -c -ffreestanding -fno-rtti -fno-exceptions -nostdlib -mabi=sysv -mno-red-zone -mcmodel=kernel -mgeneral-regs-only")
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set(_Z_LINK_SCRIPT "${CMAKE_CURRENT_SOURCE_DIR}/linker.ld")
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# -lgcc -- Link against gcc internals. Not sure if necessary.
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# -nostdlib -- Don't try to link against the stdlib.
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# -nostartfiles -- Don't try to link against crt0.s
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# -static -- Prevent trying something with shared libraries (probably irrelevant).
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# -z max-page-size=0x1000 -- Assume 4 KiB Pages.
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set(_Z_LINK_FLAGS "-T ${_Z_LINK_SCRIPT} -lgcc -nostdlib -nostartfiles -static -z max-page-size=0x1000")
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# Don't try to dynamically link.
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set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
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set_target_properties(zion
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PROPERTIES
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COMPILE_FLAGS "${_Z_COMPILE_FLAGS}"
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LINK_FLAGS "${_Z_LINK_FLAGS}"
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)
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add_library(zion_lib STATIC
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usr/crt0.s
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usr/zcall.cpp)
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target_include_directories(zion_lib
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PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
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PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include)
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set_target_properties(zion_lib
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PROPERTIES
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COMPILE_FLAGS "${_Z_COMPILE_FLAGS}")
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