::
-smp 2
+
+ Note: The cluster topology will only be generated in ACPI and exposed
+ to guest if it's explicitly specified in -smp.
ERST
DEF("numa", HAS_ARG, QEMU_OPTION_numa,
ERST
DEF("iscsi", HAS_ARG, QEMU_OPTION_iscsi,
- "-iscsi [user=user][,password=password]\n"
- " [,header-digest=CRC32C|CR32C-NONE|NONE-CRC32C|NONE\n"
+ "-iscsi [user=user][,password=password][,password-secret=secret-id]\n"
+ " [,header-digest=CRC32C|CR32C-NONE|NONE-CRC32C|NONE]\n"
" [,initiator-name=initiator-iqn][,id=target-iqn]\n"
" [,timeout=timeout]\n"
" iSCSI session parameters\n", QEMU_ARCH_ALL)
" [,tls-channel=[main|display|cursor|inputs|record|playback]]\n"
" [,plaintext-channel=[main|display|cursor|inputs|record|playback]]\n"
" [,sasl=on|off][,disable-ticketing=on|off]\n"
- " [,password=<string>][,password-secret=<secret-id>]\n"
+ " [,password-secret=<secret-id>]\n"
" [,image-compression=[auto_glz|auto_lz|quic|glz|lz|off]]\n"
" [,jpeg-wan-compression=[auto|never|always]]\n"
" [,zlib-glz-wan-compression=[auto|never|always]]\n"
``ipv4=on|off``; \ ``ipv6=on|off``; \ ``unix=on|off``
Force using the specified IP version.
- ``password=<string>``
- Set the password you need to authenticate.
-
- This option is deprecated and insecure because it leaves the
- password visible in the process listing. Use ``password-secret``
- instead.
-
``password-secret=<secret-id>``
Set the ID of the ``secret`` object containing the password
you need to authenticate.
"-no-hpet disable HPET\n", QEMU_ARCH_I386)
SRST
``-no-hpet``
- Disable HPET support.
+ Disable HPET support. Deprecated, use '-machine hpet=off' instead.
ERST
DEF("acpitable", HAS_ARG, QEMU_OPTION_acpitable,
"-netdev socket,id=str[,fd=h][,udp=host:port][,localaddr=host:port]\n"
" configure a network backend to connect to another network\n"
" using an UDP tunnel\n"
- "-netdev stream,id=str[,server=on|off],addr.type=inet,addr.host=host,addr.port=port[,to=maxport][,numeric=on|off][,keep-alive=on|off][,mptcp=on|off][,addr.ipv4=on|off][,addr.ipv6=on|off]\n"
- "-netdev stream,id=str[,server=on|off],addr.type=unix,addr.path=path[,abstract=on|off][,tight=on|off]\n"
- "-netdev stream,id=str[,server=on|off],addr.type=fd,addr.str=file-descriptor\n"
+ "-netdev stream,id=str[,server=on|off],addr.type=inet,addr.host=host,addr.port=port[,to=maxport][,numeric=on|off][,keep-alive=on|off][,mptcp=on|off][,addr.ipv4=on|off][,addr.ipv6=on|off][,reconnect=seconds]\n"
+ "-netdev stream,id=str[,server=on|off],addr.type=unix,addr.path=path[,abstract=on|off][,tight=on|off][,reconnect=seconds]\n"
+ "-netdev stream,id=str[,server=on|off],addr.type=fd,addr.str=file-descriptor[,reconnect=seconds]\n"
" configure a network backend to connect to another network\n"
" using a socket connection in stream mode.\n"
"-netdev dgram,id=str,remote.type=inet,remote.host=maddr,remote.port=port[,local.type=inet,local.host=addr]\n"
#if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
|| defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
"-chardev serial,id=id,path=path[,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
- "-chardev tty,id=id,path=path[,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
#endif
#if defined(__linux__) || defined(__FreeBSD__) || defined(__DragonFly__)
"-chardev parallel,id=id,path=path[,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
- "-chardev parport,id=id,path=path[,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
#endif
#if defined(CONFIG_SPICE)
"-chardev spicevmc,id=id,name=name[,debug=debug][,logfile=PATH][,logappend=on|off]\n"
``-chardev backend,id=id[,mux=on|off][,options]``
Backend is one of: ``null``, ``socket``, ``udp``, ``msmouse``,
``vc``, ``ringbuf``, ``file``, ``pipe``, ``console``, ``serial``,
- ``pty``, ``stdio``, ``braille``, ``tty``, ``parallel``, ``parport``,
+ ``pty``, ``stdio``, ``braille``, ``parallel``,
``spicevmc``, ``spiceport``. The specific backend will determine the
applicable options.
Connect to a local BrlAPI server. ``braille`` does not take any
options.
-``-chardev tty,id=id,path=path``
- ``tty`` is only available on Linux, Sun, FreeBSD, NetBSD, OpenBSD
- and DragonFlyBSD hosts. It is an alias for ``serial``.
-
- ``path`` specifies the path to the tty. ``path`` is required.
-
``-chardev parallel,id=id,path=path``
\
-``-chardev parport,id=id,path=path``
``parallel`` is only available on Linux, FreeBSD and DragonFlyBSD
hosts.
QEMU_ARCH_MIPS | QEMU_ARCH_NIOS2 | QEMU_ARCH_RISCV)
SRST
``-semihosting``
- Enable semihosting mode (ARM, M68K, Xtensa, MIPS, Nios II, RISC-V only).
+ Enable :ref:`Semihosting` mode (ARM, M68K, Xtensa, MIPS, Nios II, RISC-V only).
- Note that this allows guest direct access to the host filesystem, so
- should only be used with a trusted guest OS.
+ .. warning::
+ Note that this allows guest direct access to the host filesystem, so
+ should only be used with a trusted guest OS.
See the -semihosting-config option documentation for further
information about the facilities this enables.
QEMU_ARCH_MIPS | QEMU_ARCH_NIOS2 | QEMU_ARCH_RISCV)
SRST
``-semihosting-config [enable=on|off][,target=native|gdb|auto][,chardev=id][,userspace=on|off][,arg=str[,...]]``
- Enable and configure semihosting (ARM, M68K, Xtensa, MIPS, Nios II, RISC-V
+ Enable and configure :ref:`Semihosting` (ARM, M68K, Xtensa, MIPS, Nios II, RISC-V
only).
- Note that this allows guest direct access to the host filesystem, so
- should only be used with a trusted guest OS.
-
- On Arm this implements the standard semihosting API, version 2.0.
-
- On M68K this implements the "ColdFire GDB" interface used by
- libgloss.
-
- Xtensa semihosting provides basic file IO calls, such as
- open/read/write/seek/select. Tensilica baremetal libc for ISS and
- linux platform "sim" use this interface.
-
- On RISC-V this implements the standard semihosting API, version 0.2.
+ .. warning::
+ Note that this allows guest direct access to the host filesystem, so
+ should only be used with a trusted guest OS.
``target=native|gdb|auto``
Defines where the semihosting calls will be addressed, to QEMU
Enable synchronization profiling.
ERST
+#if defined(CONFIG_TCG) && defined(CONFIG_LINUX)
+DEF("perfmap", 0, QEMU_OPTION_perfmap,
+ "-perfmap generate a /tmp/perf-${pid}.map file for perf\n",
+ QEMU_ARCH_ALL)
+SRST
+``-perfmap``
+ Generate a map file for Linux perf tools that will allow basic profiling
+ information to be broken down into basic blocks.
+ERST
+
+DEF("jitdump", 0, QEMU_OPTION_jitdump,
+ "-jitdump generate a jit-${pid}.dump file for perf\n",
+ QEMU_ARCH_ALL)
+SRST
+``-jitdump``
+ Generate a dump file for Linux perf tools that maps basic blocks to symbol
+ names, line numbers and JITted code.
+ERST
+#endif
+
DEFHEADING()
DEFHEADING(Generic object creation:)
projects / mirror_qemu.git / blobdiff