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### Copyright (c) 2025 Freya Murphy <freya@freyacat.org>
.PHONY: build fmt clean qemu
.SILENT:
UNAME := $(shell uname)
QEMU = qemu-system-i386
QEMUOPTS = -drive file=bin/disk.img,index=0,media=disk,format=raw \
-no-reboot -d cpu_reset \
-serial mon:stdio \
-m 4G \
-name kern
ifeq ($(UNAME), Linux)
QEMUOPTS += -enable-kvm -display sdl
endif
qemu: bin/disk.img
$(QEMU) $(QEMUOPTS)
qemu-gdb: bin/disk.img
$(QEMU) $(QEMUOPTS) -S -gdb tcp::1337
gdb:
gdb -q -n -x util/gdbinit
clean:
rm -fr .zig-cache
rm -fr bin
build:
zig build
fmt:
clang-format -i $(shell find -type f -name "*.[ch]")
sed -i 's/[ \t]*$$//' $(shell find -type f -name "*.[chS]" -or -name "*.ld")
bin/boot.bin: build
cd bin && \
objcopy -S -O binary -j .text boot boot.bin
bin/user.img: build
cd bin && \
./mkblob init shell
bin/disk.img: build bin/boot.bin bin/user.img
cd bin && \
./BuildImage -d usb -o disk.img -b boot.bin \
kernel 0x10000 user.img 0x30000
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