Luna/kernel/CMakeLists.txt

# The Moon kernel for Luna.

file(GLOB_RECURSE HEADERS src/*.h)

set(SOURCES 
    ${HEADERS}
    src/main.cpp
    src/Log.cpp
    src/cxxabi.cpp
    src/video/Framebuffer.cpp
    src/video/TextConsole.cpp
    src/memory/MemoryManager.cpp
    src/memory/Heap.cpp
    src/memory/KernelVM.cpp
    src/memory/UserVM.cpp
    src/memory/MemoryMap.cpp
    src/boot/Init.cpp
    src/arch/Serial.cpp
    src/arch/Timer.cpp
    src/arch/PCI.cpp
    src/thread/Thread.cpp
    src/thread/ThreadImage.cpp
    src/thread/Scheduler.cpp
    src/sys/Syscall.cpp
    src/sys/exit.cpp
    src/sys/clock_gettime.cpp
    src/sys/mmap.cpp
    src/sys/usleep.cpp
    src/sys/open.cpp
    src/sys/exec.cpp
    src/sys/file.cpp
    src/sys/id.cpp
    src/sys/mkdir.cpp
    src/sys/mknod.cpp
    src/sys/waitpid.cpp
    src/sys/getdents.cpp
    src/sys/stat.cpp
    src/sys/chdir.cpp
    src/sys/link.cpp
    src/sys/uname.cpp
    src/sys/mount.cpp
    src/fs/VFS.cpp
    src/fs/Pipe.cpp
    src/fs/Mount.cpp
    src/fs/tmpfs/FileSystem.cpp
    src/fs/devices/DeviceRegistry.cpp
    src/fs/devices/NullDevice.cpp
    src/fs/devices/ZeroDevice.cpp
    src/fs/devices/ConsoleDevice.cpp
    src/fs/devices/FramebufferDevice.cpp
    src/fs/InitRD.cpp
    src/thread/ELF.cpp
)

if("${LUNA_ARCH}" MATCHES "x86_64")
    set(SOURCES
        ${SOURCES}
        src/arch/x86_64/IO.cpp
        src/arch/x86_64/Serial.cpp
        src/arch/x86_64/MMU.cpp
        src/arch/x86_64/CPU.cpp
        src/arch/x86_64/Timer.cpp
        src/arch/x86_64/Thread.cpp
        src/arch/x86_64/PCI.cpp
        src/arch/x86_64/Keyboard.cpp
        src/arch/x86_64/init/GDT.cpp
        src/arch/x86_64/init/IDT.cpp
        src/arch/x86_64/init/PIC.cpp
    )
endif()

add_executable(moon ${SOURCES})

if("${LUNA_ARCH}" MATCHES "x86_64")
    set(ASM_SOURCES
        src/arch/x86_64/CPU.asm
        src/arch/x86_64/Entry.asm
    )
    add_library(moon-asm STATIC ${ASM_SOURCES})
    target_link_libraries(moon moon-asm)
endif()

target_link_libraries(moon luna-freestanding)

target_compile_definitions(moon PRIVATE IN_MOON)

target_compile_options(moon PRIVATE ${COMMON_FLAGS})
target_compile_options(moon PRIVATE -nostdlib -mcmodel=kernel -ffreestanding)

if("${LUNA_ARCH}" MATCHES "x86_64")
    target_compile_options(moon PRIVATE -mno-red-zone)
    target_compile_options(moon PRIVATE -mno-80387 -mno-mmx -mno-sse -mno-sse2)
    target_link_options(moon PRIVATE -mno-red-zone)
endif()

if(MOON_DEBUG)
    include(debug.cmake)
endif()

target_link_options(moon PRIVATE -lgcc -Wl,--build-id=none -z max-page-size=0x1000 -mcmodel=kernel)

set_target_properties(moon PROPERTIES CXX_STANDARD 20)

target_include_directories(moon PRIVATE ${CMAKE_CURRENT_LIST_DIR}/src)
target_include_directories(moon PRIVATE ${LUNA_BASE}/usr/include)

configure_file(src/config.h.in ${CMAKE_CURRENT_BINARY_DIR}/gen/config.h @ONLY)

target_include_directories(moon PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/gen)

target_link_options(moon PRIVATE LINKER:-T ${CMAKE_CURRENT_LIST_DIR}/moon.ld -nostdlib -nodefaultlibs)

install(FILES "${CMAKE_CURRENT_BINARY_DIR}/moon" DESTINATION ${LUNA_ROOT}/initrd/boot)
Add descriptions in CMakeLists 2022-12-04 11:47:08 +00:00			`# The Moon kernel for Luna.`

kernel: Start scanning the PCI bus for devices 2023-01-23 19:07:17 +00:00			`file(GLOB_RECURSE HEADERS src/*.h)`

Initial commit :) 2022-11-13 09:09:09 +00:00			`set(SOURCES`
kernel: Start scanning the PCI bus for devices 2023-01-23 19:07:17 +00:00			`${HEADERS}`
Initial commit :) 2022-11-13 09:09:09 +00:00			`src/main.cpp`
Add logging system :) 2022-11-30 12:29:28 +00:00			`src/Log.cpp`
Kernel: Add __cxa_atexit iomplementation 2023-01-13 17:56:05 +00:00			`src/cxxabi.cpp`
Cleanup kernel/CMakeLists.txt 2022-11-19 16:59:39 +00:00			`src/video/Framebuffer.cpp`
Add a framebuffer text renderer 2022-11-20 16:55:22 +00:00			`src/video/TextConsole.cpp`
Cleanup kernel/CMakeLists.txt 2022-11-19 16:59:39 +00:00			`src/memory/MemoryManager.cpp`
Kernel: Add a heap memory allocator This is the first time I've actually dropped liballoc in favor of writing my own implementation. Usually, malloc() and such looked so complicated that I preferred to let a nice external library do the job. But I've decided to try writing my own allocator, and now we have heap memory without any 3rd party code! 2022-11-20 14:15:26 +00:00			`src/memory/Heap.cpp`
Add a virtual memory allocator for the kernel 2022-12-05 19:36:24 +00:00			`src/memory/KernelVM.cpp`
Kernel: Make a UserVM wrapper around Bitmap and use that to allocate user VM This lets us allocate more than one page of memory from the user side. 2023-01-13 18:05:20 +00:00			`src/memory/UserVM.cpp`
Use a friendlier way of iterating over the memory map 2022-12-04 14:45:13 +00:00			`src/memory/MemoryMap.cpp`
Cleanup kernel/CMakeLists.txt 2022-11-19 16:59:39 +00:00			`src/boot/Init.cpp`
Serial printing!! 2022-11-13 09:30:10 +00:00			`src/arch/Serial.cpp`
Kernel: Introduce a timer interface 2022-11-19 19:01:01 +00:00			`src/arch/Timer.cpp`
kernel: Start scanning the PCI bus for devices 2023-01-23 19:07:17 +00:00			`src/arch/PCI.cpp`
Add a Scheduler!! 2022-12-07 14:03:34 +00:00			`src/thread/Thread.cpp`
kernel: Add an exec() system call Doesn't support arguments or environment for now. 2023-03-16 21:44:58 +00:00			`src/thread/ThreadImage.cpp`
Add a Scheduler!! 2022-12-07 14:03:34 +00:00			`src/thread/Scheduler.cpp`
Add a syscall infrastructure (our baby program can print to the console now!) 2023-01-05 21:39:56 +00:00			`src/sys/Syscall.cpp`
			`src/sys/exit.cpp`
kernel, libc: Add clock_gettime() 2023-01-06 23:21:08 +00:00			`src/sys/clock_gettime.cpp`
kernel+libc: Remove (de)allocate_memory and replace it with POSIX mmap 2023-03-14 19:43:15 +00:00			`src/sys/mmap.cpp`
kernel, libc: Add an usleep() system call and use that to implement usleep() and sleep() in libc 2023-01-22 14:00:20 +00:00			`src/sys/usleep.cpp`
kernel+libc: Start interfacing with the VFS from userspace (open & close) This commit adds open and close syscalls to the kernel, and adds matching wrappers to libc. No read/write support, so file descriptors are kind of useless for now. 2023-03-11 16:45:20 +00:00			`src/sys/open.cpp`
kernel: Add an exec() system call Doesn't support arguments or environment for now. 2023-03-16 21:44:58 +00:00			`src/sys/exec.cpp`
kernel+libc: Implement read() 2023-03-11 17:02:50 +00:00			`src/sys/file.cpp`
kernel+libc: Add getpid() 2023-03-11 21:19:58 +00:00			`src/sys/id.cpp`
kernel+libc: Add mkdir() 2023-03-12 14:32:09 +00:00			`src/sys/mkdir.cpp`
kernel: Add support for special device files and add a mknod() syscall 2023-03-18 08:10:33 +00:00			`src/sys/mknod.cpp`
kernel+libc: Implement waitpid() 2023-03-23 21:42:24 +00:00			`src/sys/waitpid.cpp`
kernel: Add a getdents() syscall 2023-03-28 19:28:56 +00:00			`src/sys/getdents.cpp`
kernel+libc: Add stat() + fstat() 2023-04-10 17:56:03 +00:00			`src/sys/stat.cpp`
kernel+libc: Add chdir() 2023-04-11 20:15:21 +00:00			`src/sys/chdir.cpp`
kernel+libc: Add unlink(), rmdir(), remove() 2023-04-12 16:11:36 +00:00			`src/sys/link.cpp`
kernel+libc: Add uname() 2023-04-24 18:34:44 +00:00			`src/sys/uname.cpp`
kernel+libc+apps: Add mount and umount syscalls, libc wrappers, and utilities 2023-05-17 18:30:15 +00:00			`src/sys/mount.cpp`
kernel: Start working on a VFS implementation using OOP and SharedPtr 2023-02-03 21:18:52 +00:00			`src/fs/VFS.cpp`
kernel+libc: Add support for unnamed pipes 2023-05-10 20:48:31 +00:00			`src/fs/Pipe.cpp`
kernel+init: Add a VFS mount system and auto-populate the devfs 2023-05-17 17:40:37 +00:00			`src/fs/Mount.cpp`
kernel: Start working on a VFS implementation using OOP and SharedPtr 2023-02-03 21:18:52 +00:00			`src/fs/tmpfs/FileSystem.cpp`
kernel: Add support for special device files and add a mknod() syscall 2023-03-18 08:10:33 +00:00			`src/fs/devices/DeviceRegistry.cpp`
			`src/fs/devices/NullDevice.cpp`
kernel: Add /dev/zero 2023-03-30 19:19:16 +00:00			`src/fs/devices/ZeroDevice.cpp`
kernel: Add support for special device files and add a mknod() syscall 2023-03-18 08:10:33 +00:00			`src/fs/devices/ConsoleDevice.cpp`
kernel+init: Add a framebuffer special device file 2023-04-21 16:18:15 +00:00			`src/fs/devices/FramebufferDevice.cpp`
kernel: Move some files into subdirectories 2023-04-28 13:55:06 +00:00			`src/fs/InitRD.cpp`
			`src/thread/ELF.cpp`
Serial printing!! 2022-11-13 09:30:10 +00:00			`)`

tools+CMake: Prefix all environment variables with LUNA_ 2023-01-21 21:44:16 +00:00			`if("${LUNA_ARCH}" MATCHES "x86_64")`
More indentation in CMakeLists.txt 2022-11-19 17:00:45 +00:00			`set(SOURCES`
			`${SOURCES}`
			`src/arch/x86_64/IO.cpp`
			`src/arch/x86_64/Serial.cpp`
			`src/arch/x86_64/MMU.cpp`
			`src/arch/x86_64/CPU.cpp`
Kernel: Introduce a timer interface 2022-11-19 19:01:01 +00:00			`src/arch/x86_64/Timer.cpp`
Add a Scheduler!! 2022-12-07 14:03:34 +00:00			`src/arch/x86_64/Thread.cpp`
kernel: Start scanning the PCI bus for devices 2023-01-23 19:07:17 +00:00			`src/arch/x86_64/PCI.cpp`
arch/x86_64: Decode keyboard scancodes 2023-03-19 10:17:43 +00:00			`src/arch/x86_64/Keyboard.cpp`
Split off arch/x86_64/CPU.cpp into various files 2022-12-17 14:45:06 +00:00			`src/arch/x86_64/init/GDT.cpp`
			`src/arch/x86_64/init/IDT.cpp`
			`src/arch/x86_64/init/PIC.cpp`
More indentation in CMakeLists.txt 2022-11-19 17:00:45 +00:00			`)`
Make the build system more platform-agnostic 2022-11-19 16:46:53 +00:00			`endif()`
Initial commit :) 2022-11-13 09:09:09 +00:00
Add a CPU interface 2022-11-15 18:10:32 +00:00			`add_executable(moon ${SOURCES})`
Initial commit :) 2022-11-13 09:09:09 +00:00
tools+CMake: Prefix all environment variables with LUNA_ 2023-01-21 21:44:16 +00:00			`if("${LUNA_ARCH}" MATCHES "x86_64")`
Cleanup kernel/CMakeLists.txt 2022-11-19 16:59:39 +00:00			`set(ASM_SOURCES`
			`src/arch/x86_64/CPU.asm`
Kernel: Start the call stack with a null RBP on x86_64 2022-11-19 17:38:32 +00:00			`src/arch/x86_64/Entry.asm`
Cleanup kernel/CMakeLists.txt 2022-11-19 16:59:39 +00:00			`)`
			`add_library(moon-asm STATIC ${ASM_SOURCES})`
			`target_link_libraries(moon moon-asm)`
Make the build system more platform-agnostic 2022-11-19 16:46:53 +00:00			`endif()`

			`target_link_libraries(moon luna-freestanding)`
Initial commit :) 2022-11-13 09:09:09 +00:00
Introduce a check() method (like assert() but always on) 2022-11-15 18:36:50 +00:00			`target_compile_definitions(moon PRIVATE IN_MOON)`

all: Move all warning flags to a common CMake variable 2023-04-07 10:02:49 +00:00			`target_compile_options(moon PRIVATE ${COMMON_FLAGS})`
			`target_compile_options(moon PRIVATE -nostdlib -mcmodel=kernel -ffreestanding)`
Add a CPU interface 2022-11-15 18:10:32 +00:00
tools+CMake: Prefix all environment variables with LUNA_ 2023-01-21 21:44:16 +00:00			`if("${LUNA_ARCH}" MATCHES "x86_64")`
Cleanup kernel/CMakeLists.txt 2022-11-19 16:59:39 +00:00			`target_compile_options(moon PRIVATE -mno-red-zone)`
			`target_compile_options(moon PRIVATE -mno-80387 -mno-mmx -mno-sse -mno-sse2)`
			`target_link_options(moon PRIVATE -mno-red-zone)`
Make the build system more platform-agnostic 2022-11-19 16:46:53 +00:00			`endif()`
Add a CPU interface 2022-11-15 18:10:32 +00:00
all: Enable/disable debug symbols/optimization in COMMON_FLAGS 2023-04-07 10:07:08 +00:00			`if(MOON_DEBUG)`
Bitmap: Introduce a new method 'find' and use it in MM and KernelVM This method looks for the first bit with a value, optionally from a starting index, and returns its index. This should be (haven't benchmarked) way faster than the manual way, AKA what MM and KernelVM were doing. This is due to this method using bit and byte manipulation tricks instead of just calling get() until getting the desired result :) 2023-01-09 16:59:52 +00:00			`include(debug.cmake)`
Make build-debug.sh work 2022-12-04 09:27:25 +00:00			`endif()`

Add a CPU interface 2022-11-15 18:10:32 +00:00			`target_link_options(moon PRIVATE -lgcc -Wl,--build-id=none -z max-page-size=0x1000 -mcmodel=kernel)`

Add Framebuffer stuff 2022-11-13 10:25:15 +00:00			`set_target_properties(moon PROPERTIES CXX_STANDARD 20)`

Serial printing!! 2022-11-13 09:30:10 +00:00			`target_include_directories(moon PRIVATE ${CMAKE_CURRENT_LIST_DIR}/src)`
kernel, libc: Add clock_gettime() 2023-01-06 23:21:08 +00:00			`target_include_directories(moon PRIVATE ${LUNA_BASE}/usr/include)`
Initial commit :) 2022-11-13 09:09:09 +00:00
Add config.h for version information 2022-12-03 16:25:25 +00:00			`configure_file(src/config.h.in ${CMAKE_CURRENT_BINARY_DIR}/gen/config.h @ONLY)`

			`target_include_directories(moon PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/gen)`

Initial commit :) 2022-11-13 09:09:09 +00:00			`target_link_options(moon PRIVATE LINKER:-T ${CMAKE_CURRENT_LIST_DIR}/moon.ld -nostdlib -nodefaultlibs)`

Add a syscall infrastructure (our baby program can print to the console now!) 2023-01-05 21:39:56 +00:00			`install(FILES "${CMAKE_CURRENT_BINARY_DIR}/moon" DESTINATION ${LUNA_ROOT}/initrd/boot)`