mirror of
https://github.com/johndoe6345789/MetalOS.git
synced 2026-04-24 13:45:02 +00:00
80 lines
1.8 KiB
CMake
80 lines
1.8 KiB
CMake
# MetalOS Kernel CMakeLists.txt
|
|
# Builds minimal kernel binary
|
|
|
|
cmake_minimum_required(VERSION 3.16)
|
|
|
|
project(MetalOS_Kernel C ASM)
|
|
|
|
# Source files
|
|
set(KERNEL_SOURCES
|
|
src/main.c
|
|
)
|
|
|
|
# Find all source files in subdirectories
|
|
file(GLOB_RECURSE CORE_SOURCES "src/core/*.c")
|
|
file(GLOB_RECURSE HAL_SOURCES "src/hal/*.c")
|
|
file(GLOB_RECURSE DRIVER_SOURCES "src/drivers/*.c")
|
|
file(GLOB_RECURSE SYSCALL_SOURCES "src/syscall/*.c")
|
|
|
|
list(APPEND KERNEL_SOURCES
|
|
${CORE_SOURCES}
|
|
${HAL_SOURCES}
|
|
${DRIVER_SOURCES}
|
|
${SYSCALL_SOURCES}
|
|
)
|
|
|
|
# Compiler flags for kernel
|
|
set(KERNEL_CFLAGS
|
|
-Wall
|
|
-Wextra
|
|
-Werror
|
|
-ffreestanding
|
|
-fno-stack-protector
|
|
-mno-red-zone
|
|
-mcmodel=large
|
|
-O2
|
|
)
|
|
|
|
# Create object library
|
|
add_library(kernel_obj OBJECT ${KERNEL_SOURCES})
|
|
target_include_directories(kernel_obj PRIVATE include)
|
|
target_compile_options(kernel_obj PRIVATE ${KERNEL_CFLAGS})
|
|
|
|
# Create kernel binary
|
|
add_executable(kernel_elf $<TARGET_OBJECTS:kernel_obj>)
|
|
set_target_properties(kernel_elf PROPERTIES
|
|
OUTPUT_NAME metalos.elf
|
|
LINKER_LANGUAGE C
|
|
)
|
|
target_link_options(kernel_elf PRIVATE
|
|
-nostdlib
|
|
-T ${CMAKE_CURRENT_SOURCE_DIR}/linker.ld
|
|
)
|
|
|
|
# Custom command to create flat binary
|
|
add_custom_command(
|
|
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/metalos.bin
|
|
COMMAND ${CMAKE_OBJCOPY}
|
|
-O binary
|
|
$<TARGET_FILE:kernel_elf>
|
|
${CMAKE_CURRENT_BINARY_DIR}/metalos.bin
|
|
DEPENDS kernel_elf
|
|
COMMENT "Creating kernel flat binary"
|
|
VERBATIM
|
|
)
|
|
|
|
# Custom target for the binary
|
|
add_custom_target(kernel_bin ALL
|
|
DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/metalos.bin
|
|
)
|
|
|
|
# Install target
|
|
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/metalos.bin
|
|
DESTINATION boot
|
|
)
|
|
|
|
# Print status
|
|
message(STATUS "Kernel configuration:")
|
|
message(STATUS " Sources: ${KERNEL_SOURCES}")
|
|
message(STATUS " Output: metalos.bin")
|