Initial

.gitignore

@@ -0,0 +1,7 @@
+*.pub
+*.qcow2
+*.img
+*.raw
+*.tgz
+SHA256*
+share

makefile

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+# Inspired by https://www.codemadness.org/openbsd-riscv64-vm.html
+# mirror list: https://www.openbsd.org/ftp.html
+# mirror := https://mirror.hs-esslingen.de/pub/OpenBSD/
+mirror := https://ftp.lysator.liu.se/pub/OpenBSD/
+release := 7.5
+release_short := $(shell echo ${release} | sed 's/\.//g')# Without dots (7.5 -> 75)
+
+diskname := openBSD$(release_short).qcow2
+opensbiname := opensbi-1.2.tgz
+ubootname := u-boot-riscv64-2021.10p8.tgz
+
+release_pubkey := openbsd-$(release_short)-base.pub
+release_pubkey_url := https://ftp.openbsd.org/pub/OpenBSD/7.5/$(release_pubkey)
+CURL := @curl --progress-bar -O
+
+minirootname := miniroot$(release_short).img
+
+$(release_pubkey):
+	$(CURL) ${release_pubkey_url}
+
+$(minirootname): $(release_pubkey)
+	$(CURL) ${mirror}/${release}/riscv64/${minirootname}
+	$(CURL) ${mirror}/${release}/riscv64/SHA256
+	$(CURL) ${mirror}/${release}/riscv64/SHA256.sig
+	signify -C -p ${release_pubkey} -x SHA256.sig $(minirootname)
+
+$(diskname):
+	qemu-img create -f qcow2 ${diskname} 10G
+
+repokeys: $(release_pubkey)
+	$(CURL) ${mirror}/${release}/packages/amd64/SHA256
+	$(CURL) ${mirror}/${release}/packages/amd64/SHA256.sig
+
+checksums: repokeys
+	cksum -a sha256 --ignore-missing -c SHA256
+
+$(opensbiname): repokeys
+	$(CURL) ${mirror}/${release}/packages/amd64/${opensbiname}
+	@# signify -C -p ${release_pubkey} -x SHA256.sig $(opensbiname)
+	@tar -xzf ${opensbiname} share/opensbi/generic/fw_jump.bin
+
+$(ubootname): repokeys
+	$(CURL) ${mirror}/${release}/packages/amd64/${ubootname}
+	@# signify -C -p ${release_pubkey} -x SHA256.sig $(ubootname)
+	@tar -xzf ${ubootname} share/u-boot/qemu-riscv64_smode/u-boot.bin
+
+installer: $(minirootname) $(diskname) $(opensbiname) $(ubootname)
+	make checksums
+	@echo "Starting VM with installer..."
+	@qemu-system-riscv64 \
+		-machine virt \
+		-nographic \
+		-m 2048M \
+		-smp 2 \
+		-bios share/opensbi/generic/fw_jump.bin \
+		-kernel share/u-boot/qemu-riscv64_smode/u-boot.bin \
+		-drive file=$(minirootname),format=raw,id=cd0 -device virtio-blk-device,drive=cd0 \
+		-drive file=$(diskname),format=qcow2,id=hd0 -device virtio-blk-device,drive=hd0 \
+		-netdev user,id=net0,ipv6=off -device virtio-net-device,netdev=net0
+
+run:
+	@echo "Starting VM from disk image..."
+	@qemu-system-riscv64 \
+		-machine virt \
+		-nographic \
+		-m 2048M \
+		-smp 2 \
+		-bios share/opensbi/generic/fw_jump.bin \
+		-kernel share/u-boot/qemu-riscv64_smode/u-boot.bin \
+		-drive file=$(diskname),format=qcow2,id=hd0 -device virtio-blk-device,drive=hd0 \
+		-netdev user,id=net0,ipv6=off -device virtio-net-device,netdev=net0
+
+clean:
+	rm -f ${minirootname} ${diskname} ${opensbiname} ${ubootname} ${release_pubkey} SHA256 SHA256.sig
+	rm -rf share
+
+.PHONY: installer run clean