Files
JPOS/makefile
2026-03-19 15:41:08 +01:00

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1.3 KiB
Makefile

build: prepare copygrub
nasm -felf32 src/bootload/boot.asm -o build/boot.o # entrypoint for grub
#nasm -felf32 src/kernel/driverdriver.asm -o build/drivdriv.o # driver code for drivers
gcc -c src/kernel/entry.c -o build/kernel.o -ffreestanding -O2 -Wall -Wextra -m32 # kernel
gcc -c src/kernel/stdlib.c -o build/stdlib.o -ffreestanding -O2 -Wall -Wextra -m32 # stdlib
gcc -c src/kernel/graphics.c -o build/graphics.o -ffreestanding -O2 -Wall -Wextra -m32 # VGA graphics
gcc -c src/kernel/tty.c -o build/tty.o -ffreestanding -O2 -Wall -Wextra -m32 # tty
gcc -c initrd/vga/main.c -o build/initrddir/vga_graph -ffreestanding -O2 -Wall -Wextra -m32 # initrd/vga driver
tar -czf build/initrd build/initrddir/* # build initrd
gcc -z noexecstack -m32 -T linker.ld -o build/linked -ffreestanding -O2 -nostdlib build/tty.o build/graphics.o build/boot.o build/kernel.o build/stdlib.o -fno-pie -fno-pic -no-pie # link
cp build/linked build/grub/boot/kernel # copy kernel over to grub template
cp build/initrd build/grub/boot/JPOS.initrd # copy initrd to grub template
grub-mkrescue /usr/lib/grub/i386-pc -o build/live.iso build/grub # create final image
test: build
qemu-system-i386 \
-boot d \
-cdrom build/live.iso
copygrub:
cp grubtemplate -r build/grub
prepare: clean
mkdir build
mkdir build/initrddir
clean:
-rm -rf build