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### Copyright (c) 2025 Freya Murphy <freya@freyacat.org>
.PHONY: build clean fmt qemu qemu-kvm qemu-gdb gdb
.SILENT:
BIN=bin
ISO=os.iso
QEMU ?= qemu-system-x86_64
GRUB ?= grub-mkrescue
QEMUOPTS += -cdrom $(BIN)/$(ISO) \
-no-reboot \
-drive format=raw,file=user/bin/initrd.tar \
-audiodev pa,id=speaker -machine pcspk-audiodev=speaker \
-serial mon:stdio \
-m 4G \
-name kern
ifdef UEFI
QEMU = qemu-system-x86_64-uefi
GRUB = grub-mkrescue-uefi
endif
ifndef DISPLAY
QEMUOPTS += -nographic
endif
qemu: $(BIN)/$(ISO)
$(QEMU) $(QEMUOPTS)
qemu-kvm: $(BIN)/$(ISO)
$(QEMU) $(QEMUOPTS) -cpu host --enable-kvm
qemu-gdb: $(BIN)/$(ISO)
$(QEMU) $(QEMUOPTS) -S -gdb tcp::1337
gdb:
gdb -q -n -x config/gdbinit
build:
make -s -C kernel build
make -s -C user build
clean:
rm -fr $(BIN)
make -s -C kernel clean
make -s -C user clean
fmt:
clang-format -i $(shell find -type f -name "*.[ch]" -and -not -path "./kernel/old/*")
sed -i 's/[ \t]*$$//' $(shell find -type f -name "*.[chS]" -and -not -path "./kernel/old/*")
$(BIN)/$(ISO): build config/grub.cfg
printf "\033[35m ISO \033[0m%s\n" $@
mkdir -p $(BIN)/iso/boot/grub
cp config/grub.cfg $(BIN)/iso/boot/grub
cp kernel/bin/kernel $(BIN)/iso/boot
cp user/bin/initrd.tar $(BIN)/iso/boot
$(GRUB) -o $(BIN)/$(ISO) bin/iso 2>/dev/null
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