1 | /* $NetBSD: wsdisplay_vcons_util.c,v 1.2 2011/05/25 06:01:39 macallan Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2009 Michael Lorenz |
5 | * All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
17 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
18 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
19 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
26 | * POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
28 | |
29 | /* some utility functions for use with vcons */ |
30 | #include <sys/param.h> |
31 | #include <sys/stdint.h> |
32 | #include <sys/systm.h> |
33 | #include <sys/buf.h> |
34 | #include <sys/device.h> |
35 | #include <sys/msgbuf.h> |
36 | #include <dev/cons.h> |
37 | |
38 | #include <dev/wscons/wsdisplayvar.h> |
39 | #include <dev/wscons/wsconsio.h> |
40 | #include <dev/wsfont/wsfont.h> |
41 | #include <dev/rasops/rasops.h> |
42 | |
43 | #include <dev/wscons/wsdisplay_vconsvar.h> |
44 | |
45 | void |
46 | vcons_replay_msgbuf(struct vcons_screen *scr) |
47 | { |
48 | int status = scr->scr_status; |
49 | int rptr = msgbufp->msg_bufr; |
50 | |
51 | scr->scr_status &= ~VCONS_IS_VISIBLE; |
52 | while (rptr != msgbufp->msg_bufx) { |
53 | cnputc(msgbufp->msg_bufc[rptr]); |
54 | rptr++; |
55 | if (rptr >= msgbufp->msg_bufs) |
56 | rptr = 0; |
57 | } |
58 | scr->scr_status = status; |
59 | vcons_update_screen(scr); |
60 | } |
61 | |