1 files changed, 110 insertions, 0 deletions
diff --git a/scripts/run_qemu.sh b/scripts/run_qemu.sh
new file mode 100755
index 0000000..f48f445
--- /dev/null
+++ b/scripts/run_qemu.sh
@@ -0,0 +1,110 @@
+#!/bin/bash
+# ============================================================================
+# run_qemu.sh — Launch QEMU with UEFI firmware
+#
+# Usage: run_qemu.sh <arch> <disk_image>
+#
+# Requirements:
+#   x86_64:  OVMF firmware (usually in /usr/share/OVMF/ or /usr/share/edk2/)
+#   aarch64: AAVMF firmware (usually in /usr/share/AAVMF/ or qemu-efi-aarch64)
+# ============================================================================
+
+set -e
+
+ARCH="$1"
+DISK="$2"
+
+if [ -z "$ARCH" ] || [ -z "$DISK" ]; then
+    echo "Usage: $0 <arch> <disk_image>"
+    exit 1
+fi
+
+# ── Find UEFI firmware ─────────────────────────────────────────────────────
+
+find_firmware() {
+    local candidates=("$@")
+    for path in "${candidates[@]}"; do
+        if [ -f "$path" ]; then
+            echo "$path"
+            return 0
+        fi
+    done
+    return 1
+}
+
+if [ "$ARCH" = "x86_64" ]; then
+    QEMU=qemu-system-x86_64
+
+    # Common OVMF paths across distros
+    OVMF=$(find_firmware \
+        /usr/share/OVMF/OVMF_CODE.fd \
+        /usr/share/edk2/ovmf/OVMF_CODE.fd \
+        /usr/share/edk2-ovmf/x64/OVMF_CODE.fd \
+        /usr/share/qemu/OVMF_CODE.fd \
+        /usr/share/OVMF/OVMF_CODE_4M.fd \
+    ) || {
+        echo "ERROR: Cannot find OVMF firmware."
+        echo "Install it: apt install ovmf  OR  dnf install edk2-ovmf"
+        exit 1
+    }
+
+    echo "Using OVMF: $OVMF"
+    echo "Starting QEMU x86_64..."
+    echo "Press Ctrl+A, X to exit QEMU"
+    echo "─────────────────────────────────────"
+
+    exec $QEMU \
+        -machine q35 \
+        -cpu qemu64 \
+        -m 256M \
+        -drive if=pflash,format=raw,readonly=on,file="$OVMF" \
+        -drive format=raw,file="$DISK" \
+        -serial stdio \
+        -no-reboot \
+        -no-shutdown \
+        -d int,cpu_reset \
+        -D qemu_log.txt
+
+elif [ "$ARCH" = "aarch64" ]; then
+    QEMU=qemu-system-aarch64
+
+    # Common AAVMF / EDK2 paths
+    AAVMF=$(find_firmware \
+        /usr/share/AAVMF/AAVMF_CODE.fd \
+        /usr/share/qemu-efi-aarch64/QEMU_EFI.fd \
+        /usr/share/edk2/aarch64/QEMU_EFI.fd \
+        /usr/share/edk2-aarch64/QEMU_EFI.fd \
+    ) || {
+        echo "ERROR: Cannot find AAVMF firmware."
+        echo "Install it: apt install qemu-efi-aarch64  OR  dnf install edk2-aarch64"
+        exit 1
+    }
+
+    echo "Using AAVMF: $AAVMF"
+    echo "Starting QEMU aarch64..."
+    echo "Press Ctrl+A, X to exit QEMU"
+    echo "─────────────────────────────────────"
+
+    # Create a pflash variable store (AAVMF needs separate code + vars)
+    VARS_FILE="${DISK}.vars.fd"
+    if [ ! -f "$VARS_FILE" ]; then
+        dd if=/dev/zero of="$VARS_FILE" bs=1M count=64 status=none
+    fi
+
+    exec $QEMU \
+        -machine virt \
+        -cpu cortex-a72 \
+        -m 256M \
+        -drive if=pflash,format=raw,readonly=on,file="$AAVMF" \
+        -drive if=pflash,format=raw,file="$VARS_FILE" \
+        -drive format=raw,file="$DISK" \
+        -serial stdio \
+        -no-reboot \
+        -no-shutdown \
+        -d int,cpu_reset \
+        -D qemu_log.txt
+
+else
+    echo "Unknown architecture: $ARCH"
+    exit 1
+fi