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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1997 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*LINTLIBRARY*/
#include <sys/types.h>
#include "curses.h"
/*
* additional memory routine to deal with memory areas in units of chtypes.
*/
void
memSset(chtype *s, chtype c, int n)
#if u3b
{
int count; /* %r8 */
char *from; /* %r7 */
char *to; /* %r6 */
count = (n - 1) * sizeof (chtype);
if (count > 0) {
chtype *sfrom = s; /* %r5 */
to = (char *)(sfrom + 1);
from = (char *)sfrom;
*sfrom = c;
asm(" movblkb %r8, %r7, %r6");
/* bcopy (count, to, from) */
} else if (count == 0)
*s = c;
}
#else
#if u3b2 || u3b15
{
char *to; /* 0(%fp) */
char *from; /* 4(%fp) */
int count; /* %r8 */
count = (n - 1) * sizeof (chtype);
if (count > 0) {
chtype *sfrom = s; /* %r7 */
to = (char *)(sfrom + 1);
from = (char *)sfrom;
*sfrom = c;
/* Evidently one can not specify the regs for movblb. So I move */
/* them in myself below to the regs where they belong. */
asm(" movw %r8,%r2"); /* count */
asm(" movw 0(%fp),%r1"); /* to */
asm(" movw 4(%fp),%r0"); /* from */
asm(" movblb");
} else if (count == 0)
*s = c;
}
#else
{
while (n-- > 0)
*s++ = c;
}
#endif /* u3b2 || u3b15 */
#endif /* u3b */
/* The vax block copy command doesn't work the way I want. */
/* If anyone finds a version that does, I'd like to know. */
#if __bad__vax__
/* this is the code within memcpy which shows how to do a block copy */
memcpy(char *to, char *from, int count)
{
if (count > 0) {
asm(" movc3 12(ap),*4(ap),*8(ap)");
}
}
#endif /* __bad__vax__ */
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