X-Git-Url: https://git.rrq.au/?a=blobdiff_plain;f=Makefile;h=3d9b5b5f5cecf238d98a7c2bbcc6399003661654;hb=184d6bc9567f2e1efe1a9a39263f0be4ef1d5c96;hp=cb7bff3854cd40502f74373033635311c96e5f55;hpb=fbd07fa0c1aaad0cca46f9b1fc4839e053454f03;p=rrq%2Fjonasforth.git

diff --git a/Makefile b/Makefile
index cb7bff3..3d9b5b5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,44 @@
-.PHONY: run
-run: main
-	cat sys.f - | ./main
+default: out/main
 
-main: main.asm impl.asm bootstrap.asm sys.f
+# asm and init order is important
+src/main.asm: src/uefi.asm src/impl.asm src/bootstrap.asm
+src/main.asm: init/sys.f init/uefi.f
+
+out:
+	mkdir -p out
+
+out/main: src/main.asm | out
 	fasm $< $@
 
+# Start script
+out/startup.nsh: out
+	echo 'fs0:main' > $@
+
+.PHONY: qemu
+
+# Based on https://wiki.osdev.org/UEFI#Emulation_with_QEMU_and_OVMF
+qemu: ARGS = -cpu qemu64
+qemu: ARGS += -drive if=pflash,format=raw,unit=0,file=OVMF_CODE.fd,readonly=on
+qemu: ARGS += -drive if=pflash,format=raw,unit=1,file=OVMF_VARS.fd
+qemu: ARGS += -net none
+qemu: ARGS += -drive format=raw,file=fat:rw:out
+qemu: ARGS += -display type=gtk,zoom-to-fit=on
+qemu: out/main out/startup.nsh OVMF_CODE.fd OVMF_VARS.fd
+	qemu-system-x86_64 $(ARGS)
+
+OVMF_CODE.fd OVMF_VARS.fd: %: /usr/share/OVMF/%
+	cp $< $@
+
+OVMF: OVMF_CODE.fd OVMF_VARS.fd
+
+EFI.raw: out/main
+	mkfs.fat -C $@ 2048 # =1Mb
+	mmd -i "$@" ::efi
+	mmd -i "$@" ::efi/boot
+	mcopy -i "$@" out/main "::EFI/BOOT/bootx64.efi"
+
 .PHONY: clean
 clean:
-	rm -f main
+	rm -rf out OVMF_CODE.fd OVMF_VARS.fd EFI.raw
+
+