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cmake_minimum_required(VERSION 3.21)
project(kernel C ASM_NASM)
set(SRC
boot/gdt/gdt.c
boot/gdt/gdt.s
boot/init/boot.s
boot/init/crti.s
boot/init/crtn.s
boot/interrupts/exceptions.c
boot/interrupts/idt.c
boot/interrupts/interrupts.c
boot/interrupts/isr.s
drivers/serial.c
drivers/vga_text_buffer.c
kernel/halt.c
kernel/io.c
kernel/kernel.c
kernel/spinlock.c
kernel/stack_smashing_protector.c
libk/liballoc.c
libk/memset.c
libk/printf.c
libk/printk.c
libk/strlen.c
mm/memory_map.c
mm/physical_mm/bitmap.c
mm/physical_mm/physical_mm.c
mm/virtual_mm/page_table_allocator.c
mm/virtual_mm/pages.c
mm/virtual_mm/virtual_mm.c
)
add_executable(kernel ${SRC})
target_include_directories(kernel PRIVATE include)
set(C_COMPILE_OPTIONS
-march=i386
-ffreestanding
-fstack-protector
-fstack-protector-all
# -O3
-O0
-Wall
-Wextra
-pedantic
# -Werror
# TODO: This doesn't actually work right now because of the linker script :')
-g
)
set(CXX_COMPILE_OPTIONS
-std=c++98
-fno-exceptions
-fno-rtti
-Wno-write-strings
-Wno-missing-field-initializers
-Wno-c++11-long-long
-Wno-c99-extensions
-Wno-c++14-binary-literal
)
target_compile_options(kernel PRIVATE
$<$<COMPILE_LANGUAGE:C>: ${C_COMPILE_OPTIONS}>
$<$<COMPILE_LANGUAGE:CXX>: ${C_COMPILE_OPTIONS} ${CXX_COMPILE_OPTIONS}>
)
set(LINKER_SCRIPT "${CMAKE_CURRENT_SOURCE_DIR}/boot/linker.ld")
target_link_options(kernel PRIVATE
-T ${LINKER_SCRIPT}
-nostdlib
)
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