1 files changed, 53 insertions, 0 deletions
diff --git a/hw/xfree86/os-support/misc/IODelay.S b/hw/xfree86/os-support/misc/IODelay.S
new file mode 100644
index 000000000..4c6e32f3f
--- /dev/null
+++ b/hw/xfree86/os-support/misc/IODelay.S
@@ -0,0 +1,53 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/misc/IODelay.S,v 1.1 1999/07/10 07:24:50 dawes Exp $ */
+/*******************************************************************************
+                        Copyright 1994 by Glenn G. Lai
+
+                        All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyr notice appear in all copies and that
+both that copyr notice and this permission notice appear in
+supporting documentation, and that the name of Glenn G. Lai not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+Glenn G. Lai DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL 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.
+
+Glenn G. Lai
+P.O. Box 4314
+Austin, Tx 78765
+glenn@cs.utexas.edu)
+7/21/94
+*******************************************************************************/
+/* $XConsortium: IODelay.s /main/4 1996/02/21 17:40:21 kaleb $ */
+ 
+/* 
+ *   All we really need is a delay of about 40ns for I/O recovery for just
+ *   about any occasion, but we'll be more conservative here:  On a
+ *   100-MHz CPU, produce at least a delay of 1,000ns.
+ */ 
+
+#include "assyntax.h"
+
+	FILE("DACDelay.s")
+
+	AS_BEGIN
+
+	GLOBL	GLNAME(xf86IODelay)
+
+	SEG_TEXT
+	ALIGNTEXT4
+GLNAME(xf86IODelay):
+	MOV_L 	(CONST(100), EAX)
+delay_it:
+	DEC_L	(EAX)
+	JNE	(delay_it)
+	RET
+