X-Git-Url: https://git.rrq.au/?a=blobdiff_plain;f=Makefile;h=4b8184f3c5e0ec58c5d5f747d9aaee5d5c19e8d2;hb=61b721d365efaaae4d5ebb8d13972faa697be54b;hp=70cb7cd9f29e6d19f23cedea8379c428a2baa990;hpb=69a2f0a24cc7698bc49648d7419c3292140fc869;p=rrq%2Fjonasforth.git

diff --git a/Makefile b/Makefile
index 70cb7cd..4b8184f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,30 @@
-main: main.asm
-	fasm $< $@
+.PHONY: qemu
+qemu: out/main out/startup.nsh OVMF_CODE.fd OVMF_VARS.fd
+	# Based on https://wiki.osdev.org/UEFI#Emulation_with_QEMU_and_OVMF
+	qemu-system-x86_64 -cpu qemu64 \
+		-drive if=pflash,format=raw,unit=0,file=OVMF_CODE.fd,readonly=on \
+		-drive if=pflash,format=raw,unit=1,file=OVMF_VARS.fd \
+		-net none \
+		-drive format=raw,file=fat:rw:out \
+		-display type=gtk,zoom-to-fit=on
+
+# Assuming 'ovmf' package on Arch Linux is installed.
+OVMF_CODE.fd: /usr/share/ovmf/x64/OVMF_CODE.fd
+	cp $< $@
+OVMF_VARS.fd: /usr/share/ovmf/x64/OVMF_VARS.fd
+	cp $< $@
+
+out/main: main.asm impl.asm bootstrap.asm sys.f os/uefi.asm
+	mkdir -p out
+	OS_INCLUDE=os/uefi.asm fasm $< $@
+
+out/startup.nsh:
+	mkdir -p out
+	echo 'fs0:main' >out/startup.nsh
+
+main: main.asm impl.asm bootstrap.asm sys.f os/linux.asm
+	OS_INCLUDE=os/linux.asm fasm $< $@
 
 .PHONY: clean
 clean:
-	rm -f main
+	rm -rf out OVMF_CODE.fd OVMF_VARS.fd