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Viewing changes to unix/xc/programs/Xserver/hw/xfree86/drivers/neomagic/neo_macros.h

  • Committer: Bazaar Package Importer
  • Author(s): Ola Lundqvist
  • Date: 2006-05-15 20:35:17 UTC
  • mfrom: (1.1.2 upstream)
  • Revision ID: james.westby@ubuntu.com-20060515203517-l4lre1ku942mn26k
Tags: 4.1.1+X4.3.0-10
* Correction of critical security issue. Thanks to Martin Kogler
  <e9925248@student.tuwien.ac.at> that informed me about the issue,
  and provided the patch.
  This flaw was originally found by Steve Wiseman of intelliadmin.com.
* Applied patch from Javier Kohen <jkohen@users.sourceforge.net> that
  inform the user that only 8 first characters of the password will
  actually be used when typing more than 8 characters, closes:
  #355619.

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unix/xc/programs/Xserver/hw/xfree86/drivers/neomagic/neo_macros.h
 
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/**********************************************************************
 
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Copyright 1998, 1999 by Precision Insight, Inc., Cedar Park, Texas.
 
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                        All Rights Reserved
 
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Permission to use, copy, modify, distribute, and sell this software and
 
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its documentation for any purpose is hereby granted without fee,
 
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provided that the above copyright notice appear in all copies and that
 
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both that copyright notice and this permission notice appear in
 
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supporting documentation, and that the name of Precision Insight not be
 
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used in advertising or publicity pertaining to distribution of the
 
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software without specific, written prior permission.  Precision Insight
 
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and its suppliers make no representations about the suitability of this
 
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software for any purpose.  It is provided "as is" without express or 
 
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implied warranty.
 
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PRECISION INSIGHT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 
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INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 
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EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY
 
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SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
 
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RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
 
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CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 
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CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
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**********************************************************************/
 
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/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/neomagic/neo_macros.h,v 1.2 2002/10/30 12:52:22 alanh Exp $ */
 
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/*
 
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 * The original Precision Insight driver for
 
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 * XFree86 v.3.3 has been sponsored by Red Hat.
 
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 *
 
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 * Authors:
 
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 *   Jens Owen (jens@tungstengraphics.com)
 
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 *   Kevin E. Martin (kevin@precisioninsight.com)
 
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 *
 
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 * Port to Xfree86 v.4.0
 
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 *   1998, 1999 by Egbert Eich (Egbert.Eich@Physik.TU-Darmstadt.DE)
 
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 */
 
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#define WAIT_FB_FIFO_EMPTY() {                                              \
 
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            while( INREG(NEOREG_BLTSTAT) & NEO_BS0_FIFO_PEND);              \
 
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        }
 
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#define WAIT_BLT_DONE() {                                                   \
 
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            while( INREG(NEOREG_BLTSTAT) & NEO_BS0_BLT_BUSY);               \
 
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        }
 
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#define WAIT_ENGINE_IDLE() {                                                \
 
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            WAIT_BLT_DONE();                                                \
 
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        }
 
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#ifdef NOT_DONE
 
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#define WAIT_FIFO(n) {                                                      \
 
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            while( NeoFifoCount < (n)) {                                    \
 
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                NeoFifoCount = (INREG(NEOREG_BLTSTAT) >> 8);                \
 
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            }                                                               \
 
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            NeoFifoCount -= (n);                                            \
 
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        }
 
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#else
 
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#define WAIT_FIFO(n) {                                                      \
 
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            WAIT_ENGINE_IDLE();                                             \
 
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        }
 
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#endif
 
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