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Documentation: Improve command line help for -device option 

* Fix column for help text.

* Give some more help, especially for the new '?' parameters.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Stefan Weil 2010-01-20 22:58:35 +01:00 committed by Anthony Liguori
parent 922910ce42
commit 69a319d131
1 changed files with 12 additions and 3 deletions
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15
qemu-options.hx
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@ -403,11 +403,20 @@ Network adapter that supports CDC ethernet and RNDIS protocols.
ETEXI
DEF("device", HAS_ARG, QEMU_OPTION_device,
"-device driver[,options] add device\n")
"-device driver[,option[=value][,...]]\n"
" add device (based on driver) with default or\n"
" user defined options\n"
" use -device ? to print all possible drivers\n"
" use -device driver,? to print all possible options\n"
" use -device driver,option=? to print a help for value\n")
STEXI
@item -device @var{driver}[,@var{option}[,...]]
@item -device @var{driver}[,@var{option}[=@var{value}][,...]]
Add device @var{driver}. Depending on the device type,
@var{option} (typically @var{key}=@var{value}) may be useful.
@var{option} (with default or given @var{value}) may be useful.
To get a help on possible @var{driver}s, @var{option}s or @var{value}s, use
@code{-device ?},
@code{-device @var{driver},?} or
@code{-device @var{driver},@var{option}=?}.
ETEXI
DEF("name", HAS_ARG, QEMU_OPTION_name,