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new command line parameters:

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- disable mahaf and thus all physical memory mapping or direct port IO
- promise that TSC-based QPC is safe on this system

This was SVN commit r5335.
This commit is contained in:
janwas 2007-09-08 08:07:43 +00:00
parent f7e21ce054
commit 87b0d08c0e
1 changed files with 18 additions and 1 deletions
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19
binaries/system/readme.txt
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@ -15,4 +15,21 @@ COMMAND LINE OPTIONS:
-yres=N set screen Y resolution to 'N'
-editor launch the Atlas scenario editor
-actorviewer when combined with -editor, launch the Actor Viewer tool
-actorviewer when combined with -editor, launch the Actor Viewer tool
Windows-specific:
-wQpcTscSafe allow timing via QueryPerformanceCounter despite the fact
that it's using TSC and it may be unsafe. has no effect if
a better timer (i.e. the HPET) is available.
should only be specified if:
- you are sure your system does not engage in
thermal throttling (including STPCLK) OR
- an "RDTSC patch" is installed
this flag is also useful if all other alternatives are worse
than a potentially risky or slightly broken TSC-based QPC.
-wNoMahaf prevent any physical memory mapping or direct port I/O.
this disables all ACPI-related code and thus some of the
timer backends. specify this if problems are observed with
one of the abovementioned subsystems.