From 0ace22d6f88692883584119c64ff010f4cee6738 Mon Sep 17 00:00:00 2001
From: salmonik <salmonik@tuta.io>
Date: Fri, 31 Jul 2026 03:22:20 +0200
Subject: fix(rsdos): organizational changes

---
 scripts/qemu.sh | 96 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100755 scripts/qemu.sh

(limited to 'scripts/qemu.sh')

diff --git a/scripts/qemu.sh b/scripts/qemu.sh
new file mode 100755
index 0000000..b75bed4
--- /dev/null
+++ b/scripts/qemu.sh
@@ -0,0 +1,96 @@
+#!/usr/bin/env bash
+# =============================================================================
+# tools/qemu.sh — Run raisernics in QEMU with various options
+#
+# Usage:
+#   ./tools/qemu.sh                     # serial console (no graphics)
+#   ./tools/qemu.sh --gui               # graphical window
+#   ./tools/qemu.sh --debug             # GDB stub on :1234
+#   ./tools/qemu.sh --image foo.img     # boot from raw disk image
+#   ./tools/qemu.sh --bios /path/to.fd  # custom OVMF
+#   ./tools/qemu.sh --mem 512M          # memory size
+#   ./tools/qemu.sh --smp 2             # SMP cores
+# =============================================================================
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
+cd "$SCRIPT_DIR"
+
+# Defaults
+GUI_FLAG=""
+DEBUG_FLAG=""
+DRIVE_ARGS=(-drive file=fat:rw:esp,format=raw)
+OVMF="${OVMF:-/usr/share/edk2/x64/OVMF.4m.fd}"
+MEM="${MEM:-256M}"
+SMP="${SMP:-1}"
+
+# Pre-build
+make all
+
+# Parse args
+while [ $# -gt 0 ]; do
+	case "$1" in
+	--gui | -g)
+		GUI_FLAG="-vga std"
+		shift
+		;;
+	--debug | -d)
+		DEBUG_FLAG="-s -S"
+		shift
+		;;
+	--image | -i)
+		_img_file="$(printf -- '-drive file=%s,format=raw,if=none,id=hd' "$2")"
+		DRIVE_ARGS=("$_img_file" '-device' 'ide-hd,drive=hd')
+		shift 2
+		;;
+	--bios | -b)
+		OVMF="$2"
+		shift 2
+		;;
+	--mem)
+		MEM="$2"
+		shift 2
+		;;
+	--smp)
+		SMP="$2"
+		shift 2
+		;;
+	--help | -h)
+		head -20 "$0" | grep "^# " | sed 's/^# //'
+		exit 0
+		;;
+	*)
+		echo "Unknown option: $1"
+		exit 1
+		;;
+	esac
+done
+
+QEMU_CMD=(
+	qemu-system-x86_64
+	-bios "$OVMF"
+	"${DRIVE_ARGS[@]}"
+	-serial stdio
+	-m "$MEM"
+	-machine q35
+	-cpu qemu64
+	-no-reboot
+	-smp "$SMP"
+)
+
+[ -n "$GUI_FLAG" ] && QEMU_CMD+=("$GUI_FLAG")
+if [ -n "$DEBUG_FLAG" ]; then
+	# Split the flag string safely into words
+	read -ra dbg <<<"$DEBUG_FLAG"
+	QEMU_CMD+=("${dbg[@]}")
+fi
+
+echo "  OVMF  : $OVMF"
+echo "  Drive : ${DRIVE_ARGS[*]}"
+echo "  Mem   : $MEM"
+echo "  SMP   : $SMP"
+echo "  GDB   : $([ -n "$DEBUG_FLAG" ] && echo ':1234' || echo 'off')"
+echo "  GUI   : $([ -n "$GUI_FLAG" ] && echo 'yes' || echo 'no')"
+echo ""
+
+exec "${QEMU_CMD[@]}"
-- 
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