qemu命令行啓動虛擬機

WS=/ws

QEMU="$WS/code/qemu/build/x86_64-softmmu/qemu-system-x86_64"

VMKERNEL="$WS/code/linux/arch/x86/boot/bzImage"

BR_IMAGE="$WS/centos.qcow2"
IMAGE_FORMAT=qcow2

$QEMU \
  -name vm1 \
  --enable-kvm \
  -machine pc,accel=kvm,usb=off \
  -nographic \
  -kernel $VMKERNEL \
  -append "console=ttyS0 root=/dev/vda1 ro kmemleak=off ftrace_dump_on_oops \
  -smp sockets=1,cores=2,threads=2 \
  -m 8G \
  -numa node,nodeid=0,cpus=0-1,memdev=mem0 \
  -numa node,nodeid=1,cpus=2-3,memdev=mem1 \
  -object memory-backend-ram,id=mem0,size=4G \
  -object memory-backend-ram,id=mem1,size=4G \
  -drive file=$BR_IMAGE,format=${IMAGE_FORMAT},if=virtio \
  -nodefaults \
  -no-user-config \
  -serial stdio \
  -L /$WS/code/qemu/pc-bios/ \
  -virtfs local,path=/mnt,mount_tag=hostdir,security_model=none \
  -net nic
  -net tap,ifname=tap0,script=$WS/qemu-ifup.sh,downscript=$WS/qemu-ifdown.sh

• 網絡設置：https://wiki.qemu.org/Documentation/Networking/NAT