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[rrq/jonasforth.git] / Makefile

diff --git a/Makefile b/Makefile
index 70cb7cd9f29e6d19f23cedea8379c428a2baa990..88c74ca61bb474c1173dfdaa2a17566f55c4b645 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,45 @@
-main: main.asm
+default: out/main
+
+# 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 init/blurb.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 "$@" ::efi/boot
+       mcopy -i "$@" Makefile "::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
+
+