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cmake_minimum_required(VERSION "3.27")
project("kernel"
DESCRIPTION "An educational OS kernel"
HOMEPAGE_URL "https://gitlab.ost.ch/teachos/kernel"
VERSION "0.0.1"
LANGUAGES ASM C CXX
)
#[============================================================================[
# Global Build System Configuration
#]============================================================================]
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin")
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION YES)
set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/Modules")
set(CMAKE_CXX_STANDARD "20")
set(CMAKE_CXX_STANDARD_REQUIRED YES)
set(CMAKE_CXX_EXTENSIONS NO)
#[============================================================================[
# Documentation
#]============================================================================]
find_package("Doxygen")
set(DOXYGEN_GENERATE_HTML YES)
set(DOXYGEN_GENERATE_XML YES)
set(DOXYGEN_EXCLUDE_PATTERNS "*.cpp")
set(DOXYGEN_OUTPUT_DIRECTORY "doxygen")
set(DOXYGEN_QUIET YES)
file(GLOB_RECURSE DOXYGEN_SOURCES CONFIGURE_DEPENDS "*.hpp")
message(STATUS "${SPHINX_SOURCES}")
doxygen_add_docs("docs_xml"
${DOXYGEN_SOURCES}
ALL
USE_STAMP_FILE
COMMENT "Generating developer documentation sources"
)
set_target_properties("docs_xml" PROPERTIES
ADDITIONAL_CLEAN_FILES
"${PROJECT_BINARY_DIR}/doxygen"
)
file(GLOB_RECURSE SPHINX_SOURCES CONFIGURE_DEPENDS "../docs/**.rst")
add_custom_target("docs" ALL
COMMAND "${SPHINX_BUILD_EXE}"
"../docs"
"docs"
"-q"
DEPENDS "docs_xml"
SOURCES ${SPHINX_SOURCES}
COMMENT "Generating developer documentation html"
)
set_target_properties("docs" PROPERTIES
ADDITIONAL_CLEAN_FILES
"${PROJECT_BINARY_DIR}/docs"
)
#[============================================================================[
# Global Compiler Configuration
#]============================================================================]
add_compile_options(
"$<$<CXX_COMPILER_ID:GNU>:-Wall>"
"$<$<CXX_COMPILER_ID:GNU>:-Wextra>"
"$<$<CXX_COMPILER_ID:GNU>:-Werror>"
"$<$<CXX_COMPILER_ID:GNU>:-pedantic-errors>"
)
#[============================================================================[
# Global Directories
#]============================================================================]
include_directories(
"include"
"arch/${CMAKE_SYSTEM_PROCESSOR}/include"
)
#[============================================================================[
# The Bootstrap Library
#]============================================================================]
add_library("_boot" OBJECT)
add_library("teachos::boot" ALIAS "_boot")
#[============================================================================[
# The Video Library
#]============================================================================]
add_library("_video" OBJECT)
add_library("teachos::video" ALIAS "_video")
#[============================================================================[
# THE Memory Library
#]============================================================================]
add_library("_memory" OBJECT)
add_library("teachos::memory" ALIAS "_memory")
#[============================================================================[
# The Exception handling Library
#]============================================================================]
add_library("_exception" OBJECT)
add_library("teachos::exception" ALIAS "_exception")
#[============================================================================[
# The Context switching Library
#]============================================================================]
add_library("_context" OBJECT)
add_library("teachos::context_switching" ALIAS "_context")
add_library("_interrupt_handling" OBJECT)
add_library("teachos::interrupt_handling" ALIAS "_interrupt_handling")
# https://forum.osdev.org/viewtopic.php?f=1&t=36712
# https://gcc.gnu.org/onlinedocs/gcc/x86-Function-Attributes.html#index-interrupt-function-attribute_002c-x86
target_compile_options("_interrupt_handling" PRIVATE "-mgeneral-regs-only")
#[============================================================================[
# The Stub Standard Library
#]============================================================================]
add_library("_stl" OBJECT)
add_library("teachos::stl" ALIAS "_stl")
#[============================================================================[
# The Kernel
#]============================================================================]
add_executable("_kernel"
"src/kernel/main.cpp"
)
add_executable("teachos::kernel" ALIAS "_kernel")
target_link_libraries("_kernel" PRIVATE
"teachos::boot"
"teachos::video"
"teachos::memory"
"teachos::exception"
"teachos::stl"
"teachos::context_switching"
"teachos::interrupt_handling"
)
#[============================================================================[
# Platform Specific Components
#]============================================================================]
add_subdirectory("arch/${CMAKE_SYSTEM_PROCESSOR}")
|
