2026-02-26 00:06:36 +01:00
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build: prepare copygrub
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nasm -felf32 src/bootload/boot.asm -o build/boot.o # entrypoint for grub
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2026-03-21 00:21:32 +01:00
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nasm -felf32 src/misc/interrupts.asm -o build/intasm.o # interrupt assembly part
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2026-03-14 23:17:48 +01:00
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#nasm -felf32 src/kernel/driverdriver.asm -o build/drivdriv.o # driver code for drivers
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2026-02-26 00:06:36 +01:00
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gcc -c src/kernel/entry.c -o build/kernel.o -ffreestanding -O2 -Wall -Wextra -m32 # kernel
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2026-03-14 23:17:48 +01:00
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gcc -c src/kernel/stdlib.c -o build/stdlib.o -ffreestanding -O2 -Wall -Wextra -m32 # stdlib
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gcc -c src/kernel/graphics.c -o build/graphics.o -ffreestanding -O2 -Wall -Wextra -m32 # VGA graphics
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2026-03-19 15:41:08 +01:00
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gcc -c src/kernel/tty.c -o build/tty.o -ffreestanding -O2 -Wall -Wextra -m32 # tty
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2026-03-21 00:21:32 +01:00
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gcc -c src/kernel/interrupts.c -o build/interrupts.o -ffreestanding -O2 -Wall -Wextra -m32 # interrupts, C side
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2026-04-01 16:45:33 +02:00
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gcc -c src/kernel/scheduler.c -o build/scheduler.o -ffreestanding -O2 -Wall -Wextra -m32 # scheduler
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2026-03-14 23:17:48 +01:00
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2026-02-26 00:06:36 +01:00
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gcc -c initrd/vga/main.c -o build/initrddir/vga_graph -ffreestanding -O2 -Wall -Wextra -m32 # initrd/vga driver
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tar -czf build/initrd build/initrddir/* # build initrd
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2026-04-01 16:45:33 +02:00
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gcc -z noexecstack -m32 -T linker.ld -o build/linked -ffreestanding -O2 -nostdlib build/scheduler.o build/interrupts.o build/intasm.o build/tty.o build/graphics.o build/boot.o build/kernel.o build/stdlib.o -fno-pie -fno-pic -no-pie # link
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2026-02-26 00:06:36 +01:00
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cp build/linked build/grub/boot/kernel # copy kernel over to grub template
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cp build/initrd build/grub/boot/JPOS.initrd # copy initrd to grub template
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grub-mkrescue /usr/lib/grub/i386-pc -o build/live.iso build/grub # create final image
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test: build
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qemu-system-i386 \
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-boot d \
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2026-04-01 16:45:33 +02:00
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-cdrom build/live.iso \
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-d int
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2026-02-26 00:06:36 +01:00
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copygrub:
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cp grubtemplate -r build/grub
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prepare: clean
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mkdir build
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mkdir build/initrddir
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clean:
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2026-03-14 23:17:48 +01:00
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-rm -rf build
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