Initial commit

Makefile

@@ -0,0 +1,43 @@
+CC=x86_64-elf-gcc
+TARGET=x86_64
+SRCDIR=$(PWD)/src/
+OBJDIR=$(PWD)/bin/
+ISO=$(PWD)/boot/$(TARGET)/iso/
+KERNEL=$(ISO)/kernel
+INITRD=$(ISO)/initrd
+rwildcard=$(foreach d,$(wildcard $(1:=/*)),$(call rwildcard,$d,$2) $(filter $(subst *,%,$2),$d))
+KERNELDEPS=$(call rwildcard,bin,*.o)
+KERNELSRCDEPS=$(call rwildcard,src,*.c)
+INCLUDEDIR=$(SRCDIR)/include
+ARCHINCLUDE=$(SRCDIR)/arch/$(TARGET)/include
+CFLAGS=-c -ffreestanding -mcmodel=kernel -O2 -mno-red-zone -mno-mmx -mno-sse -mno-sse2 -nostdlib -I$(INCLUDEDIR) -I$(ARCHINCLUDE) --debug
+LDFLAGS=-ffreestanding -nostdlib -lgcc -Wl,-T,kernel.ld -debug
+
+
+#TODO make it so we don't need to rebuild everything when a header is changed
+
+export OBJDIR SRCDIR LDFLAGS CFLAGS INCLUDEDIR TARGET CC
+
+.phony: all
+all: $(KERNEL)
+
+srcdir:
+	$(MAKE) -C src
+
+$(KERNEL): srcdir $(KERNELSRCDEPS) kernel.ld
+	mkdir -p $(ISO)
+	$(CC) $(LDFLAGS) -o $@ $(call rwildcard,bin,*.o)
+
+$(INITRD): $(call rwildcard,initrd,*)
+	cd initrd;tar -cf $(INITRD) .
+
+sysdisk.iso: $(ISO)
+	cp limine.cfg limine/limine.sys limine/limine-cd.bin limine/limine-cd-efi.bin $(ISO)
+	xorriso -as mkisofs -b limine-cd.bin -no-emul-boot -boot-load-size 4 -boot-info-table --efi-boot limine-cd-efi.bin -efi-boot-part --efi-boot-image --protective-msdos-label $(ISO) -o sysdisk.iso
+	
+
+test: $(KERNEL) sysdisk.iso
+	qemu-system-x86_64 -monitor stdio -cdrom sysdisk.iso -d int -no-reboot -no-shutdown -m 8G -smp cpus=6
+
+clean:
+	rm $(call rwildcard,src,*.o) $(KERNELDEPS)