RedactedOS/run_virt at main · differrari/RedactedOS · GitHub

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#!/bin/bash

echo "Running virt emulator"

ARGS=""
if [ "$1" = "debug" ]; then
  ARGS="-monitor unix:/tmp/qemu-monitor-socket,server,nowait -s -S"
fi

MSI_CAPABILITIES=""

XHCI_CAPABILITIES="$(qemu-system-aarch64 -device qemu-xhci,help)"

if echo "$XHCI_CAPABILITIES" | grep -q "msi "; then
  MSI_CAPABILITIES="msi=on,msix=off,"
fi

OS_TYPE="$(uname)"

DISPLAY_MODE="default"
AUDIO_BACKEND="sdl"
VIRTIO_GPU_VARS=",xres=1920,yres=1080"
GL="on"

USE_FB=true
USE_NET=false

if [ "$USE_FB" == true ]; then
  SELECTED_GPU="ramfb"
fi

if [ "$OS_TYPE" = "Darwin" ]; then
    NETDEV="-netdev vmnet-bridged,id=net0,ifname=en0"
    PRIVILEGE="sudo"
    DISPLAY_MODE="cocoa"
    if [ "$USE_FB" != true ]; then
      SELECTED_GPU="virtio-gpu-pci"
    fi
    AUDIO_BACKEND="coreaudio"
    GL="off"
elif [ "$OS_TYPE" = "Linux" ]; then
    fuser -k -KILL ./disk.img
    NETDEV="-netdev user,id=net0"
    PRIVILEGE=""
    DISPLAY_MODE="sdl"
    if [ "$USE_FB" != true ]; then
      SELECTED_GPU="virtio-gpu-pci$VIRTIO_GPU_VARS"
    fi
    GL="off"
else
    echo "Unknown OS: $OS_TYPE" >&2
    exit 1
fi

if [ -d /sys/class/net/tap0 ] && [ -d /sys/class/net/br0 ]; then
    #tap bridge
    NETDEV="-netdev tap,id=net0,ifname=tap0,script=no,downscript=no,vnet_hdr=off"
    PRIVILEGE=""
    sudo lsof /dev/net/tun >/dev/null 2>&1 && sudo fuser -k /dev/net/tun
fi

NETDRIV="-device virtio-net-pci,netdev=net0,mac=52:54:00:12:34:56,speed=10000,duplex=full"

DUMP="-object filter-dump,id=f0,netdev=net0,file=/tmp/virtio.pcap"
if [ "$USE_NET" != true ]; then
  NETDEV=""
  DUMP=""
  PRIVILEGE=""
  NETDRIV=""
fi

SHARED_FOLDER="../os_repo"
if [ -d "$SHARED_FOLDER" ]; then
    echo "EXISTS $SHARED_FOLDER";
  SHAREDFS="-fsdev local,path=$SHARED_FOLDER,security_model=mapped-xattr,id=sharedfs \
  -device virtio-9p-pci,fsdev=sharedfs,mount_tag=shared"
fi

echo "Using networking mode: $NETDEV $NETDRIV $DUMP"

$PRIVILEGE qemu-system-aarch64 \
  -M virt \
  -cpu cortex-a72 \
  -m 512M \
  -kernel kernel.elf \
  -display $DISPLAY_MODE${GL:+,gl=$GL} \
  -device $SELECTED_GPU \
  $NETDEV \
  $NETDRIV \
  $DUMP \
  -serial stdio \
  -drive file=disk.img,if=none,format=raw,id=hd0 \
  -device virtio-blk-pci,drive=hd0 \
  $SHAREDFS \
  -device qemu-xhci,${MSI_CAPABILITIES}id=usb \
  -device usb-kbd,bus=usb.0 \
  -device usb-mouse,bus=usb.0 \
  -device virtio-sound-pci,audiodev=audio \
  -trace events=./traceevents -trace file=./trace \
  -audiodev ${AUDIO_BACKEND},id=audio \
  -d guest_errors \
  $ARGS