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doc: Mention chardev:id in available devices for -serial 

It is possible to pre-define a character device with the -chardev option
and reference its id as serial device. The man page does not mention this
feature.

Use case: Use stdio as serial, but do not terminate VM on Ctrl-C
          -chardev stdio,id=mystdio,signal=off -serial chardev:mystdio

Signed-off-by: Ingo van Lil <inguin@gmx.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Ingo van Lil 2013-12-20 14:44:53 +01:00 committed by Michael Tokarev
parent f6f0b7d90f
commit 88e020e55e
1 changed files with 2 additions and 0 deletions
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qemu-options.hx
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@ -2419,6 +2419,8 @@ vc:80Cx24C
No device is allocated.
@item null
void device
@item chardev:@var{id}
Use a named character device defined with the @code{-chardev} option.
@item /dev/XXX
[Linux only] Use host tty, e.g. @file{/dev/ttyS0}. The host serial port
parameters are set according to the emulated ones.