wsdisplay_vcons_util.c revision 1.3 1 1.3 jmcneill /* $NetBSD: wsdisplay_vcons_util.c,v 1.3 2019/01/30 11:24:48 jmcneill Exp $ */
2 1.1 macallan
3 1.1 macallan /*-
4 1.2 macallan * Copyright (c) 2009 Michael Lorenz
5 1.1 macallan * All rights reserved.
6 1.1 macallan *
7 1.1 macallan * Redistribution and use in source and binary forms, with or without
8 1.1 macallan * modification, are permitted provided that the following conditions
9 1.1 macallan * are met:
10 1.1 macallan * 1. Redistributions of source code must retain the above copyright
11 1.1 macallan * notice, this list of conditions and the following disclaimer.
12 1.1 macallan * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 macallan * notice, this list of conditions and the following disclaimer in the
14 1.1 macallan * documentation and/or other materials provided with the distribution.
15 1.1 macallan *
16 1.1 macallan * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 1.1 macallan * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 1.1 macallan * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 1.1 macallan * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 1.1 macallan * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 1.1 macallan * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 1.1 macallan * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 1.1 macallan * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 1.1 macallan * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 1.1 macallan * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 1.1 macallan * POSSIBILITY OF SUCH DAMAGE.
27 1.1 macallan */
28 1.1 macallan
29 1.3 jmcneill #ifdef _KERNEL_OPT
30 1.3 jmcneill #include "opt_wsdisplay_compat.h"
31 1.3 jmcneill #endif
32 1.3 jmcneill
33 1.1 macallan /* some utility functions for use with vcons */
34 1.1 macallan #include <sys/param.h>
35 1.1 macallan #include <sys/stdint.h>
36 1.1 macallan #include <sys/systm.h>
37 1.1 macallan #include <sys/buf.h>
38 1.1 macallan #include <sys/device.h>
39 1.1 macallan #include <sys/msgbuf.h>
40 1.1 macallan #include <dev/cons.h>
41 1.1 macallan
42 1.1 macallan #include <dev/wscons/wsdisplayvar.h>
43 1.1 macallan #include <dev/wscons/wsconsio.h>
44 1.1 macallan #include <dev/wsfont/wsfont.h>
45 1.1 macallan #include <dev/rasops/rasops.h>
46 1.1 macallan
47 1.1 macallan #include <dev/wscons/wsdisplay_vconsvar.h>
48 1.1 macallan
49 1.1 macallan void
50 1.1 macallan vcons_replay_msgbuf(struct vcons_screen *scr)
51 1.1 macallan {
52 1.1 macallan int status = scr->scr_status;
53 1.1 macallan int rptr = msgbufp->msg_bufr;
54 1.1 macallan
55 1.3 jmcneill #ifdef WSDISPLAY_MULTICONS
56 1.3 jmcneill wsdisplay_multicons_suspend(true);
57 1.3 jmcneill #endif
58 1.3 jmcneill
59 1.1 macallan scr->scr_status &= ~VCONS_IS_VISIBLE;
60 1.1 macallan while (rptr != msgbufp->msg_bufx) {
61 1.1 macallan cnputc(msgbufp->msg_bufc[rptr]);
62 1.1 macallan rptr++;
63 1.1 macallan if (rptr >= msgbufp->msg_bufs)
64 1.1 macallan rptr = 0;
65 1.1 macallan }
66 1.1 macallan scr->scr_status = status;
67 1.2 macallan vcons_update_screen(scr);
68 1.3 jmcneill
69 1.3 jmcneill #ifdef WSDISPLAY_MULTICONS
70 1.3 jmcneill wsdisplay_multicons_suspend(false);
71 1.3 jmcneill #endif
72 1.1 macallan }
73