mirror of https://gitee.com/openkylin/libvirt.git
103 lines
5.3 KiB
Groff
103 lines
5.3 KiB
Groff
QEMU PC emulator version 0.9.1, Copyright (c) 2003-2008 Fabrice Bellard
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usage: qemu [options] [disk_image]
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'disk_image' is a raw hard image image for IDE hard disk 0
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Standard options:
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-M machine select emulated machine (-M ? for list)
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-cpu cpu select CPU (-cpu ? for list)
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-fda/-fdb file use 'file' as floppy disk 0/1 image
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-hda/-hdb file use 'file' as IDE hard disk 0/1 image
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-hdc/-hdd file use 'file' as IDE hard disk 2/3 image
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-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)
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-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][index=i]
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[,cyls=c,heads=h,secs=s[,trans=t]][snapshot=on|off] [,cache=on|off]
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use 'file' as a drive image
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-mtdblock file use 'file' as on-board Flash memory image
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-sd file use 'file' as SecureDigital card image
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-pflash file use 'file' as a parallel flash image
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-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)
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-snapshot write to temporary files instead of disk image files
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-no-frame open SDL window without a frame and window decorations
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-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)
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-no-quit disable SDL window close capability
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-no-fd-bootchk disable boot signature checking for floppy disks
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-m megs set virtual RAM size to megs MB [default=128]
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-smp n set the number of CPUs to 'n' [default=1]
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-nographic disable graphical output and redirect serial I/Os to console
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-portrait rotate graphical output 90 deg left (only PXA LCD)
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-k language use keyboard layout (for example "fr" for French)
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-audio-help print list of audio drivers and their options
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-soundhw c1,... enable audio support
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and only specified sound cards (comma separated list)
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use -soundhw ? to get the list of supported cards
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use -soundhw all to enable all of them
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-localtime set the real time clock to local time [default=utc]
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-full-screen start in full screen
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-win2k-hack use it when installing Windows 2000 to avoid a disk full bug
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-usb enable the USB driver (will be the default soon)
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-usbdevice name add the host or guest USB device 'name'
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-name string set the name of the guest
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Network options:
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-net nic[,vlan=n][,macaddr=addr][,model=type]
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create a new Network Interface Card and connect it to VLAN 'n'
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-net user[,vlan=n][,hostname=host]
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connect the user mode network stack to VLAN 'n' and send
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hostname 'host' to DHCP clients
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-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]
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connect the host TAP network interface to VLAN 'n' and use the
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network scripts 'file' (default=/etc/qemu-ifup)
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and 'dfile' (default=/etc/qemu-ifdown);
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use '[down]script=no' to disable script execution;
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use 'fd=h' to connect to an already opened TAP interface
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-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]
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connect the vlan 'n' to another VLAN using a socket connection
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-net socket[,vlan=n][,fd=h][,mcast=maddr:port]
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connect the vlan 'n' to multicast maddr and port
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-net none use it alone to have zero network devices; if no -net option
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is provided, the default is '-net nic -net user'
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-tftp dir allow tftp access to files in dir [-net user]
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-bootp file advertise file in BOOTP replies
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-smb dir allow SMB access to files in 'dir' [-net user]
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-redir [tcp|udp]:host-port:[guest-host]:guest-port
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redirect TCP or UDP connections from host to guest [-net user]
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Linux boot specific:
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-kernel bzImage use 'bzImage' as kernel image
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-append cmdline use 'cmdline' as kernel command line
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-initrd file use 'file' as initial ram disk
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Debug/Expert options:
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-monitor dev redirect the monitor to char device 'dev'
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-serial dev redirect the serial port to char device 'dev'
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-parallel dev redirect the parallel port to char device 'dev'
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-pidfile file Write PID to 'file'
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-S freeze CPU at startup (use 'c' to start execution)
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-s wait gdb connection to port
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-p port set gdb connection port [default=1234]
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-d item1,... output log to /tmp/qemu.log (use -d ? for a list of log items)
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-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS
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translation (t=none or lba) (usually qemu can guess them)
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-L path set the directory for the BIOS, VGA BIOS and keymaps
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-kernel-kqemu enable KQEMU full virtualization (default is user mode only)
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-no-kqemu disable KQEMU kernel module usage
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-std-vga simulate a standard VGA card with VESA Bochs Extensions
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(default is CL-GD5446 PCI VGA)
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-no-acpi disable ACPI
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-no-reboot exit instead of rebooting
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-loadvm file start right away with a saved state (loadvm in monitor)
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-vnc display start a VNC server on display
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-daemonize daemonize QEMU after initializing
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-option-rom rom load a file, rom, into the option ROM space
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-clock force the use of the given methods for timer alarm.
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To see what timers are available use -clock help
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During emulation, the following keys are useful:
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ctrl-alt-f toggle full screen
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ctrl-alt-n switch to virtual console 'n'
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ctrl-alt toggle mouse and keyboard grab
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When using -nographic, press 'ctrl-a h' to get some help.
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