aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/hw/kdrive/src/ktest.c
diff options
context:
space:
mode:
Diffstat (limited to 'xorg-server/hw/kdrive/src/ktest.c')
-rw-r--r--xorg-server/hw/kdrive/src/ktest.c76
1 files changed, 0 insertions, 76 deletions
diff --git a/xorg-server/hw/kdrive/src/ktest.c b/xorg-server/hw/kdrive/src/ktest.c
deleted file mode 100644
index 150af5639..000000000
--- a/xorg-server/hw/kdrive/src/ktest.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <kdrive-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;
-}