kaguya
153 lines
4.4 KiB
CMake
153 lines
4.4 KiB
CMake
cmake_minimum_required(VERSION 3.16)
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project(KirkOS C ASM)
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set(VERSION 1)
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set(PATCHLEVEL 0)
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set(SUBLEVEL 0)
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set(EXTRAVERSION "-rc1")
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set(KIRKOS_VERSION_STRING
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"${VERSION}.${PATCHLEVEL}.${SUBLEVEL}${EXTRAVERSION}"
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)
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include(${CMAKE_SOURCE_DIR}/libs/uacpi/uacpi.cmake)
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message(STATUS "Building KirkOS version: ${KIRKOS_VERSION_STRING}")
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set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
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file(GLOB_RECURSE KIRKOS_SOURCES
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"${CMAKE_SOURCE_DIR}/src/*.c"
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"${CMAKE_SOURCE_DIR}/src/*.S"
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)
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set(ISO_ROOT "${CMAKE_BINARY_DIR}/iso_root")
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set(DISK_IMG "${CMAKE_BINARY_DIR}/disk.img")
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set(ISO "${CMAKE_BINARY_DIR}/image.iso")
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set(EXT2_ROOT "${CMAKE_SOURCE_DIR}/ext2_root")
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add_executable(KirkOS ${KIRKOS_SOURCES})
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target_sources(KirkOS PRIVATE
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${UACPI_SOURCES}
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${CMAKE_SOURCE_DIR}/libs/uacpi/source/kernel_api.c
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)
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target_include_directories(KirkOS PRIVATE
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${UACPI_INCLUDES}
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)
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target_compile_definitions(KirkOS PRIVATE
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KIRKOS_VERSION="${KIRKOS_VERSION_STRING}"
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KIRKOS_VERSION_MAJOR=${VERSION}
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KIRKOS_VERSION_PATCH=${PATCHLEVEL}
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KIRKOS_VERSION_SUB=${SUBLEVEL}
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)
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add_custom_command(
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OUTPUT ${ISO_ROOT}/boot/KirkOS
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DEPENDS KirkOS
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COMMAND ${CMAKE_COMMAND} -E copy
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$<TARGET_FILE:KirkOS>
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${ISO_ROOT}/boot/KirkOS
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)
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add_custom_target(iso_kernel DEPENDS ${ISO_ROOT}/boot/KirkOS)
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set(LIMINE_DIR "${CMAKE_SOURCE_DIR}/limine")
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add_custom_target(limine_files
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COMMAND ${CMAKE_COMMAND} -E make_directory ${ISO_ROOT}/boot/limine
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COMMAND ${CMAKE_COMMAND} -E make_directory ${ISO_ROOT}/EFI/BOOT
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COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_SOURCE_DIR}/limine.conf ${ISO_ROOT}/boot/limine/
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COMMAND ${CMAKE_COMMAND} -E copy ${LIMINE_DIR}/limine-bios.sys ${ISO_ROOT}/boot/limine/
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COMMAND ${CMAKE_COMMAND} -E copy ${LIMINE_DIR}/limine-bios-cd.bin ${ISO_ROOT}/boot/limine/
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COMMAND ${CMAKE_COMMAND} -E copy ${LIMINE_DIR}/limine-uefi-cd.bin ${ISO_ROOT}/boot/limine/
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COMMAND ${CMAKE_COMMAND} -E copy ${LIMINE_DIR}/BOOTX64.EFI ${ISO_ROOT}/EFI/BOOT/
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COMMAND ${CMAKE_COMMAND} -E copy ${LIMINE_DIR}/BOOTIA32.EFI ${ISO_ROOT}/EFI/BOOT/
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)
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add_custom_target(iso
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DEPENDS iso_kernel limine_files
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COMMAND xorriso -as mkisofs -R -r -J
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-b boot/limine/limine-bios-cd.bin
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-no-emul-boot -boot-load-size 4 -boot-info-table
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-hfsplus
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-apm-block-size 2048
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--efi-boot boot/limine/limine-uefi-cd.bin
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-efi-boot-part --efi-boot-image
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--protective-msdos-label
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${ISO_ROOT}
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-o ${ISO}
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COMMAND ${LIMINE_DIR}/limine bios-install ${ISO}
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)
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add_custom_target(disk_img
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COMMAND dd if=/dev/zero of=${DISK_IMG} bs=1M count=512
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COMMAND mkfs.ext2 -F -L KIRKOS ${DISK_IMG}
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COMMAND guestfish --rw -a ${DISK_IMG} run
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COMMAND guestfish --rw -a ${DISK_IMG} -m /dev/sda mkdir /root
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COMMAND guestfish --rw -a ${DISK_IMG} -m /dev/sda copy-in ${EXT2_ROOT}/. /
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COMMENT "Creating ext2 disk image via guestfish"
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)
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add_custom_target(run
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DEPENDS iso disk_img
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COMMAND qemu-system-x86_64
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-cdrom ${ISO}
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-hda ${DISK_IMG}
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-debugcon stdio
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-m 8G
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-smp 2
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-device ich9-intel-hda
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-device hda-duplex
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-cpu qemu64,+fsgsbase
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)
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add_custom_target(debug
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DEPENDS iso disk_img
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COMMAND qemu-system-x86_64
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-cdrom ${ISO}
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-hda ${DISK_IMG}
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-debugcon stdio
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-s -S
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-d int,cpu_reset
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-m 8G
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-smp 2
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-device ich9-intel-hda
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-device hda-duplex
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-cpu qemu64,+fsgsbase
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)
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target_include_directories(KirkOS PRIVATE
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"${CMAKE_SOURCE_DIR}/src"
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)
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# ----------------------------------------
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# DEFAULT C FLAGS (cacheable overrides)
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# ----------------------------------------
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set(KIRKOS_CFLAGS "-g -O2 -pipe -Wall -Wextra -std=gnu11 -ffreestanding -fno-stack-protector -fno-stack-check -fno-lto -fno-PIC -ffunction-sections -fdata-sections -m64 -march=x86-64 -mabi=sysv -mno-80387 -mno-mmx -mno-sse -mno-sse2 -mno-red-zone -mcmodel=kernel"
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CACHE STRING "Default CFLAGS for KirkOS")
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set(KIRKOS_LDFLAGS "-nostdlib -static -Wl,--gc-sections -Wl,-T,../linker.lds -Wl,-z,max-page-size=0x1000 -Wl,-m,elf_x86_64"
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CACHE STRING "Default LDFLAGS for KirkOS")
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# ----------------------------------------
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# Apply flags
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# ----------------------------------------
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separate_arguments(_cflags UNIX_COMMAND "${KIRKOS_CFLAGS}")
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separate_arguments(_ldflags UNIX_COMMAND "${KIRKOS_LDFLAGS}")
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target_compile_options(KirkOS PRIVATE ${_cflags})
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target_link_options(KirkOS PRIVATE ${_ldflags}) |