1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 1997 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
28*0Sstevel@tonic-gate /* All Rights Reserved */
29*0Sstevel@tonic-gate
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988
32*0Sstevel@tonic-gate * The Regents of the University of California
33*0Sstevel@tonic-gate * All Rights Reserved
34*0Sstevel@tonic-gate *
35*0Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from
36*0Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its
37*0Sstevel@tonic-gate * contributors.
38*0Sstevel@tonic-gate */
39*0Sstevel@tonic-gate
40*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
41*0Sstevel@tonic-gate
42*0Sstevel@tonic-gate /*LINTLIBRARY*/
43*0Sstevel@tonic-gate
44*0Sstevel@tonic-gate #include <sys/types.h>
45*0Sstevel@tonic-gate #include "curses.h"
46*0Sstevel@tonic-gate
47*0Sstevel@tonic-gate /*
48*0Sstevel@tonic-gate * additional memory routine to deal with memory areas in units of chtypes.
49*0Sstevel@tonic-gate */
50*0Sstevel@tonic-gate
51*0Sstevel@tonic-gate void
memSset(chtype * s,chtype c,int n)52*0Sstevel@tonic-gate memSset(chtype *s, chtype c, int n)
53*0Sstevel@tonic-gate
54*0Sstevel@tonic-gate #if u3b
55*0Sstevel@tonic-gate {
56*0Sstevel@tonic-gate int count; /* %r8 */
57*0Sstevel@tonic-gate char *from; /* %r7 */
58*0Sstevel@tonic-gate char *to; /* %r6 */
59*0Sstevel@tonic-gate
60*0Sstevel@tonic-gate count = (n - 1) * sizeof (chtype);
61*0Sstevel@tonic-gate if (count > 0) {
62*0Sstevel@tonic-gate chtype *sfrom = s; /* %r5 */
63*0Sstevel@tonic-gate
64*0Sstevel@tonic-gate to = (char *)(sfrom + 1);
65*0Sstevel@tonic-gate from = (char *)sfrom;
66*0Sstevel@tonic-gate *sfrom = c;
67*0Sstevel@tonic-gate asm(" movblkb %r8, %r7, %r6");
68*0Sstevel@tonic-gate /* bcopy (count, to, from) */
69*0Sstevel@tonic-gate } else if (count == 0)
70*0Sstevel@tonic-gate *s = c;
71*0Sstevel@tonic-gate }
72*0Sstevel@tonic-gate #else
73*0Sstevel@tonic-gate #if u3b2 || u3b15
74*0Sstevel@tonic-gate {
75*0Sstevel@tonic-gate char *to; /* 0(%fp) */
76*0Sstevel@tonic-gate char *from; /* 4(%fp) */
77*0Sstevel@tonic-gate int count; /* %r8 */
78*0Sstevel@tonic-gate
79*0Sstevel@tonic-gate count = (n - 1) * sizeof (chtype);
80*0Sstevel@tonic-gate if (count > 0) {
81*0Sstevel@tonic-gate chtype *sfrom = s; /* %r7 */
82*0Sstevel@tonic-gate
83*0Sstevel@tonic-gate to = (char *)(sfrom + 1);
84*0Sstevel@tonic-gate from = (char *)sfrom;
85*0Sstevel@tonic-gate *sfrom = c;
86*0Sstevel@tonic-gate
87*0Sstevel@tonic-gate /* Evidently one can not specify the regs for movblb. So I move */
88*0Sstevel@tonic-gate /* them in myself below to the regs where they belong. */
89*0Sstevel@tonic-gate asm(" movw %r8,%r2"); /* count */
90*0Sstevel@tonic-gate asm(" movw 0(%fp),%r1"); /* to */
91*0Sstevel@tonic-gate asm(" movw 4(%fp),%r0"); /* from */
92*0Sstevel@tonic-gate asm(" movblb");
93*0Sstevel@tonic-gate } else if (count == 0)
94*0Sstevel@tonic-gate *s = c;
95*0Sstevel@tonic-gate }
96*0Sstevel@tonic-gate #else
97*0Sstevel@tonic-gate {
98*0Sstevel@tonic-gate while (n-- > 0)
99*0Sstevel@tonic-gate *s++ = c;
100*0Sstevel@tonic-gate }
101*0Sstevel@tonic-gate #endif /* u3b2 || u3b15 */
102*0Sstevel@tonic-gate #endif /* u3b */
103*0Sstevel@tonic-gate
104*0Sstevel@tonic-gate /* The vax block copy command doesn't work the way I want. */
105*0Sstevel@tonic-gate /* If anyone finds a version that does, I'd like to know. */
106*0Sstevel@tonic-gate #if __bad__vax__
107*0Sstevel@tonic-gate
108*0Sstevel@tonic-gate /* this is the code within memcpy which shows how to do a block copy */
109*0Sstevel@tonic-gate
memcpy(char * to,char * from,int count)110*0Sstevel@tonic-gate memcpy(char *to, char *from, int count)
111*0Sstevel@tonic-gate {
112*0Sstevel@tonic-gate if (count > 0) {
113*0Sstevel@tonic-gate asm(" movc3 12(ap),*4(ap),*8(ap)");
114*0Sstevel@tonic-gate }
115*0Sstevel@tonic-gate }
116*0Sstevel@tonic-gate #endif /* __bad__vax__ */
117