Enrico Fraccaroli (Galfurian)
eca55dfed8
I've kept just one cmake project, in the root directory. The subdirectories just set up the targets. The asm compiler is serached just one time, from the root directory cmake file. Global compilation flags are set in the root cmake file, and each subdirectory cmake file sets specific flags if necessary (e.g., programs need the -u_start specified)
239 lines
10 KiB
CMake
239 lines
10 KiB
CMake
# =============================================================================
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# KERNEL COMPILATION SETUP
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# =============================================================================
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# Set the target naming.
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set(KERNEL_NAME kernel)
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set(BOOTLOADER_NAME bootloader)
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set(BUDDY_SYSTEM_FILE ${CMAKE_SOURCE_DIR}/mentos/src/mem/libbuddysystem.a)
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# =============================================================================
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# OPTIONS
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# =============================================================================
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# Add the memory option.
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option(USE_BUDDY_SYSTEM "Build using the buddysystem written by the user." OFF)
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# Enables cache tracing.
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option(ENABLE_CACHE_TRACE "Enables cache tracing." OFF)
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# Enables memory allocation tracing.
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option(ENABLE_ALLOC_TRACE "Enables memory allocation tracing." OFF)
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# Enables scheduling feedback on terminal.
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option(ENABLE_SCHEDULER_FEEDBACK "Enables scheduling feedback on terminal." OFF)
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# =============================================================================
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# SOURCES
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# =============================================================================
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# Define the list of files.
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set(KERNEL_SOURCES
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${CMAKE_SOURCE_DIR}/mentos/src/kernel.c
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${CMAKE_SOURCE_DIR}/mentos/src/multiboot.c
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${CMAKE_SOURCE_DIR}/mentos/src/devices/pci.c
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${CMAKE_SOURCE_DIR}/mentos/src/devices/fpu.c
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${CMAKE_SOURCE_DIR}/mentos/src/drivers/ata.c
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${CMAKE_SOURCE_DIR}/mentos/src/drivers/rtc.c
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${CMAKE_SOURCE_DIR}/mentos/src/drivers/fdc.c
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${CMAKE_SOURCE_DIR}/mentos/src/drivers/mouse.c
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${CMAKE_SOURCE_DIR}/mentos/src/drivers/ps2.c
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${CMAKE_SOURCE_DIR}/mentos/src/drivers/keyboard/keyboard.c
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${CMAKE_SOURCE_DIR}/mentos/src/drivers/keyboard/keymap.c
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${CMAKE_SOURCE_DIR}/mentos/src/fs/vfs.c
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${CMAKE_SOURCE_DIR}/mentos/src/fs/read_write.c
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${CMAKE_SOURCE_DIR}/mentos/src/fs/open.c
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${CMAKE_SOURCE_DIR}/mentos/src/fs/stat.c
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${CMAKE_SOURCE_DIR}/mentos/src/fs/readdir.c
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${CMAKE_SOURCE_DIR}/mentos/src/fs/procfs.c
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${CMAKE_SOURCE_DIR}/mentos/src/fs/ioctl.c
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${CMAKE_SOURCE_DIR}/mentos/src/fs/namei.c
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${CMAKE_SOURCE_DIR}/mentos/src/fs/ext2.c
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${CMAKE_SOURCE_DIR}/mentos/src/hardware/timer.c
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${CMAKE_SOURCE_DIR}/mentos/src/hardware/cpuid.c
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${CMAKE_SOURCE_DIR}/mentos/src/hardware/pic8259.c
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${CMAKE_SOURCE_DIR}/mentos/src/io/debug.c
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${CMAKE_SOURCE_DIR}/mentos/src/io/mm_io.c
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${CMAKE_SOURCE_DIR}/mentos/src/io/video.c
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${CMAKE_SOURCE_DIR}/mentos/src/io/stdio.c
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${CMAKE_SOURCE_DIR}/mentos/src/io/proc_video.c
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${CMAKE_SOURCE_DIR}/mentos/src/io/proc_running.c
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${CMAKE_SOURCE_DIR}/mentos/src/io/proc_feedback.c
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${CMAKE_SOURCE_DIR}/mentos/src/io/proc_system.c
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${CMAKE_SOURCE_DIR}/mentos/src/io/proc_ipc.c
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${CMAKE_SOURCE_DIR}/mentos/src/io/vga/vga.c
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${CMAKE_SOURCE_DIR}/mentos/src/ipc/ipc.c
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${CMAKE_SOURCE_DIR}/mentos/src/ipc/msg.c
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${CMAKE_SOURCE_DIR}/mentos/src/ipc/sem.c
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${CMAKE_SOURCE_DIR}/mentos/src/ipc/shm.c
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${CMAKE_SOURCE_DIR}/mentos/src/kernel/sys.c
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${CMAKE_SOURCE_DIR}/mentos/src/klib/assert.c
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${CMAKE_SOURCE_DIR}/mentos/src/klib/ctype.c
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${CMAKE_SOURCE_DIR}/mentos/src/klib/mutex.c
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${CMAKE_SOURCE_DIR}/mentos/src/klib/string.c
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${CMAKE_SOURCE_DIR}/mentos/src/klib/vsprintf.c
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${CMAKE_SOURCE_DIR}/mentos/src/klib/vscanf.c
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${CMAKE_SOURCE_DIR}/mentos/src/klib/time.c
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${CMAKE_SOURCE_DIR}/mentos/src/klib/libgen.c
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${CMAKE_SOURCE_DIR}/mentos/src/klib/strerror.c
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${CMAKE_SOURCE_DIR}/mentos/src/klib/math.c
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${CMAKE_SOURCE_DIR}/mentos/src/klib/fcvt.c
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${CMAKE_SOURCE_DIR}/mentos/src/klib/spinlock.c
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${CMAKE_SOURCE_DIR}/mentos/src/klib/stdlib.c
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${CMAKE_SOURCE_DIR}/mentos/src/klib/rbtree.c
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${CMAKE_SOURCE_DIR}/mentos/src/klib/ndtree.c
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${CMAKE_SOURCE_DIR}/mentos/src/klib/hashmap.c
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${CMAKE_SOURCE_DIR}/mentos/src/klib/list.c
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${CMAKE_SOURCE_DIR}/mentos/src/mem/kheap.c
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${CMAKE_SOURCE_DIR}/mentos/src/mem/paging.c
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${CMAKE_SOURCE_DIR}/mentos/src/mem/slab.c
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${CMAKE_SOURCE_DIR}/mentos/src/mem/vmem_map.c
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${CMAKE_SOURCE_DIR}/mentos/src/mem/zone_allocator.c
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${CMAKE_SOURCE_DIR}/mentos/src/elf/elf.c
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${CMAKE_SOURCE_DIR}/mentos/src/descriptor_tables/gdt.c
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${CMAKE_SOURCE_DIR}/mentos/src/descriptor_tables/gdt.S
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${CMAKE_SOURCE_DIR}/mentos/src/descriptor_tables/interrupt.c
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${CMAKE_SOURCE_DIR}/mentos/src/descriptor_tables/exception.c
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${CMAKE_SOURCE_DIR}/mentos/src/descriptor_tables/interrupt.S
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${CMAKE_SOURCE_DIR}/mentos/src/descriptor_tables/exception.S
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${CMAKE_SOURCE_DIR}/mentos/src/descriptor_tables/idt.c
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${CMAKE_SOURCE_DIR}/mentos/src/descriptor_tables/idt.S
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${CMAKE_SOURCE_DIR}/mentos/src/descriptor_tables/tss.c
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${CMAKE_SOURCE_DIR}/mentos/src/descriptor_tables/tss.S
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${CMAKE_SOURCE_DIR}/mentos/src/process/scheduler_algorithm.c
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${CMAKE_SOURCE_DIR}/mentos/src/process/scheduler_feedback.c
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${CMAKE_SOURCE_DIR}/mentos/src/process/scheduler.c
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${CMAKE_SOURCE_DIR}/mentos/src/process/process.c
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${CMAKE_SOURCE_DIR}/mentos/src/process/wait.c
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${CMAKE_SOURCE_DIR}/mentos/src/process/user.S
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${CMAKE_SOURCE_DIR}/mentos/src/sys/utsname.c
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${CMAKE_SOURCE_DIR}/mentos/src/sys/module.c
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${CMAKE_SOURCE_DIR}/mentos/src/system/errno.c
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${CMAKE_SOURCE_DIR}/mentos/src/system/panic.c
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${CMAKE_SOURCE_DIR}/mentos/src/system/printk.c
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${CMAKE_SOURCE_DIR}/mentos/src/system/signal.c
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${CMAKE_SOURCE_DIR}/mentos/src/system/syscall.c
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)
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# =============================================================================
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# Add kernel library.
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if(USE_BUDDY_SYSTEM)
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# Add the library with `buddysystem.c`.
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add_library(${KERNEL_NAME} ${KERNEL_SOURCES} src/mem/buddysystem.c)
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else(USE_BUDDY_SYSTEM)
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# Add the library without `buddysystem.c`.
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add_library(${KERNEL_NAME} ${KERNEL_SOURCES})
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# Link the exercise libraries.
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target_link_libraries(${KERNEL_NAME} ${BUDDY_SYSTEM_FILE})
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endif(USE_BUDDY_SYSTEM)
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# Add the includes.
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target_include_directories(
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${KERNEL_NAME} PUBLIC
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${CMAKE_SOURCE_DIR}/mentos/inc
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${CMAKE_SOURCE_DIR}/libc/inc
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)
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# Define that this code is kernel code.
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target_compile_definitions(
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${KERNEL_NAME} PUBLIC
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__KERNEL__
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)
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# =============================================================================
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# Enables cache tracing.
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if(ENABLE_CACHE_TRACE)
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target_compile_definitions(${KERNEL_NAME} PUBLIC ENABLE_CACHE_TRACE)
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endif(ENABLE_CACHE_TRACE)
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# =============================================================================
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# Enables memory allocation tracing.
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if(ENABLE_ALLOC_TRACE)
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target_compile_definitions(${KERNEL_NAME} PUBLIC ENABLE_ALLOC_TRACE)
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endif(ENABLE_ALLOC_TRACE)
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# =============================================================================
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# Enables scheduling feedback on terminal.
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if(ENABLE_SCHEDULER_FEEDBACK)
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target_compile_definitions(${KERNEL_NAME} PUBLIC ENABLE_SCHEDULER_FEEDBACK)
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endif(ENABLE_SCHEDULER_FEEDBACK)
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# =============================================================================
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# Set the list of valid scheduling options.
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set(SCHEDULER_TYPES SCHEDULER_RR SCHEDULER_PRIORITY SCHEDULER_CFS SCHEDULER_EDF SCHEDULER_RM SCHEDULER_AEDF)
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# Add the scheduling option.
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set(SCHEDULER_TYPE "SCHEDULER_RR" CACHE STRING "Chose the type of scheduler: ${SCHEDULER_TYPES}")
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# List of schedulers.
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set_property(CACHE SCHEDULER_TYPE PROPERTY STRINGS ${SCHEDULER_TYPES})
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# Check which scheduler is currently active and export the related macro.
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list(FIND SCHEDULER_TYPES ${SCHEDULER_TYPE} INDEX)
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if(index EQUAL -1)
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message(FATAL_ERROR "Scheduler type ${SCHEDULER_TYPE} is not valid.")
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else()
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# Add the define stating which scheduler is currently active.
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target_compile_definitions(${KERNEL_NAME} PUBLIC ${SCHEDULER_TYPE})
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# Notify the type of scheduler.
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message(STATUS "Setting scheduler type to ${SCHEDULER_TYPE}.")
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endif()
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# =============================================================================
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# Set the list of valid video driver options.
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set(VIDEO_TYPES VGA_TEXT_MODE VGA_MODE_320_200_256 VGA_MODE_640_480_16 VGA_MODE_720_480_16)
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# Add the video driver option.
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set(VIDEO_TYPE "VGA_TEXT_MODE" CACHE STRING "Chose the type of video driver: ${VIDEO_TYPES}")
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# List of video tpes.
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set_property(CACHE VIDEO_TYPE PROPERTY STRINGS ${VIDEO_TYPES})
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# Check which video driver is currently active and export the related macro.
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list(FIND VIDEO_TYPES ${VIDEO_TYPE} INDEX)
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if(index EQUAL -1)
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message(FATAL_ERROR "Video type ${VIDEO_TYPE} is not valid.")
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else()
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# Add the define stating which video driver is currently active.
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target_compile_definitions(${KERNEL_NAME} PUBLIC ${VIDEO_TYPE})
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# Notify the type of video driver.
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message(STATUS "Setting vide type to ${VIDEO_TYPE}.")
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endif()
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# =============================================================================
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# Set the list of valid keyboard mappings.
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set(KEYMAP_TYPES KEYMAP_US KEYMAP_IT)
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# Add the keyboard mapping.
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set(KEYMAP_TYPE "KEYMAP_US" CACHE STRING "Chose the type of keyboard mapping: ${KEYMAP_TYPES}")
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# List of keyboard mappings.
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set_property(CACHE KEYMAP_TYPE PROPERTY STRINGS ${KEYMAP_TYPES})
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# Check which keyboard mapping is currently active and export the related macro.
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list(FIND KEYMAP_TYPES ${KEYMAP_TYPE} INDEX)
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if(index EQUAL -1)
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message(FATAL_ERROR "keyboard mapping ${KEYMAP_TYPE} is not valid.")
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else()
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# Add the define stating which keyboard mapping is currently active.
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target_compile_definitions(${KERNEL_NAME} PUBLIC USE_${KEYMAP_TYPE})
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# Notify the type of keyboard mapping.
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message(STATUS "Setting keyboard mapping to ${KEYMAP_TYPE}.")
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endif()
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# =============================================================================
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# Add bootloader library.
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add_library(
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${BOOTLOADER_NAME}
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src/boot.c
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src/boot.S
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)
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# Add the includes.
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target_include_directories(
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${BOOTLOADER_NAME} PUBLIC
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${CMAKE_SOURCE_DIR}/mentos/inc
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${CMAKE_SOURCE_DIR}/libc/inc
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)
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# Define that this code is kernel code.
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target_compile_definitions(
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${BOOTLOADER_NAME} PUBLIC
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__KERNEL__
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)
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# =============================================================================
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# Build the kernel.
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add_custom_target(
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${BOOTLOADER_NAME}.bin ALL
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COMMAND ${CMAKE_LINKER} -melf_i386 -static --oformat elf32-i386 --output kernel.bin --script ${CMAKE_CURRENT_SOURCE_DIR}/kernel.lds -Map kernel.map -u kmain $<TARGET_FILE_NAME:${KERNEL_NAME}> ${BUDDY_SYSTEM_FILE}
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COMMAND objcopy -I binary -O elf32-i386 -B i386 kernel.bin kernel.bin.o
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COMMAND ${CMAKE_LINKER} -melf_i386 -static --oformat elf32-i386 --output ${BOOTLOADER_NAME}.bin --script ${CMAKE_CURRENT_SOURCE_DIR}/boot.lds -Map bootloader.map kernel.bin.o $<TARGET_FILE_NAME:${BOOTLOADER_NAME}>
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DEPENDS ${KERNEL_NAME}
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DEPENDS ${BOOTLOADER_NAME}
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)
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