| 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 | |