feat: add startqemu script to test qemu img

Signed-off-by: Coelacanthus <coelacanthus@outlook.com>

startqemu.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/bash
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# shellcheck disable=1091
+. /usr/share/makepkg/util.sh
+colorize
+
+msg "Starting qemu"
+qemu-system-riscv64 \
+    -nographic \
+    -machine virt \
+    -smp 8 \
+    -m 4G \
+    -bios ./opensbi/build/platform/generic/firmware/fw_payload.bin \
+    -device virtio-blk-device,drive=hd0 \
+    -object rng-random,filename=/dev/urandom,id=rng0 \
+    -device virtio-rng-device,rng=rng0 \
+    -drive file=archriscv-$(date --rfc-3339=date).qcow2,format=qcow2,id=hd0 \
+    -monitor unix:/tmp/qemu-monitor,server,nowait