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Diffstat (limited to 'hw/kdrive/src/ktest.c')
-rw-r--r-- | hw/kdrive/src/ktest.c | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/hw/kdrive/src/ktest.c b/hw/kdrive/src/ktest.c deleted file mode 100644 index 3fe3739a5..000000000 --- a/hw/kdrive/src/ktest.c +++ /dev/null @@ -1,79 +0,0 @@ -/* - * Id: ktest.c,v 1.1 1999/11/02 03:54:46 keithp Exp $ - * - * Copyright © 1999 Keith Packard - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of Keith Packard not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Keith Packard makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ -/* $RCSId: xc/programs/Xserver/hw/kdrive/ktest.c,v 1.1 1999/11/19 13:53:50 hohndel Exp $ */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "kdrive.h" - - -static CARD8 memoryPatterns[] = { 0xff, 0x00, 0x5a, 0xa5, 0xaa, 0x55 }; - -#define NUM_PATTERNS (sizeof (memoryPatterns) / sizeof (memoryPatterns[0])) - -Bool -KdFrameBufferValid (CARD8 *base, int size) -{ - volatile CARD8 *b = (volatile CARD8 *) base; - CARD8 save, test, compare; - int i, j; - - b = base + (size - 1); - save = *b; - - for (i = 0; i < NUM_PATTERNS; i++) - { - test = memoryPatterns[i]; - *b = test; - for (j = 0; j < 1000; j++) - { - compare = *b; - if (compare != test) - return FALSE; - } - } - *b = save; - return TRUE; -} - -int -KdFrameBufferSize (CARD8 *base, int max) -{ - int min, cur; - - min = 0; - while (min + 1 < max) - { - cur = (max + min) / 2; - if (KdFrameBufferValid (base, cur)) - min = cur; - else - max = cur; - } - if (KdFrameBufferValid (base, max)) - return max; - else - return min; -} |