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wsdisplay_vcons_util.c revision 1.1.2.2
      1  1.1.2.2  yamt /*	$NetBSD: wsdisplay_vcons_util.c,v 1.1.2.2 2009/09/16 13:37:59 yamt Exp $ */
      2  1.1.2.2  yamt 
      3  1.1.2.2  yamt /*-
      4  1.1.2.2  yamt  * Copyright (c) 2005, 2006 Michael Lorenz
      5  1.1.2.2  yamt  * All rights reserved.
      6  1.1.2.2  yamt  *
      7  1.1.2.2  yamt  * Redistribution and use in source and binary forms, with or without
      8  1.1.2.2  yamt  * modification, are permitted provided that the following conditions
      9  1.1.2.2  yamt  * are met:
     10  1.1.2.2  yamt  * 1. Redistributions of source code must retain the above copyright
     11  1.1.2.2  yamt  *    notice, this list of conditions and the following disclaimer.
     12  1.1.2.2  yamt  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1.2.2  yamt  *    notice, this list of conditions and the following disclaimer in the
     14  1.1.2.2  yamt  *    documentation and/or other materials provided with the distribution.
     15  1.1.2.2  yamt  *
     16  1.1.2.2  yamt  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  1.1.2.2  yamt  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  1.1.2.2  yamt  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  1.1.2.2  yamt  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  1.1.2.2  yamt  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  1.1.2.2  yamt  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  1.1.2.2  yamt  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  1.1.2.2  yamt  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  1.1.2.2  yamt  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  1.1.2.2  yamt  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  1.1.2.2  yamt  * POSSIBILITY OF SUCH DAMAGE.
     27  1.1.2.2  yamt  */
     28  1.1.2.2  yamt 
     29  1.1.2.2  yamt /* some utility functions for use with vcons */
     30  1.1.2.2  yamt #include <sys/param.h>
     31  1.1.2.2  yamt #include <sys/stdint.h>
     32  1.1.2.2  yamt #include <sys/systm.h>
     33  1.1.2.2  yamt #include <sys/buf.h>
     34  1.1.2.2  yamt #include <sys/device.h>
     35  1.1.2.2  yamt #include <sys/msgbuf.h>
     36  1.1.2.2  yamt #include <dev/cons.h>
     37  1.1.2.2  yamt 
     38  1.1.2.2  yamt #include <dev/wscons/wsdisplayvar.h>
     39  1.1.2.2  yamt #include <dev/wscons/wsconsio.h>
     40  1.1.2.2  yamt #include <dev/wsfont/wsfont.h>
     41  1.1.2.2  yamt #include <dev/rasops/rasops.h>
     42  1.1.2.2  yamt 
     43  1.1.2.2  yamt #include <dev/wscons/wsdisplay_vconsvar.h>
     44  1.1.2.2  yamt 
     45  1.1.2.2  yamt void
     46  1.1.2.2  yamt vcons_replay_msgbuf(struct vcons_screen *scr)
     47  1.1.2.2  yamt {
     48  1.1.2.2  yamt 	int status = scr->scr_status;
     49  1.1.2.2  yamt 	int rptr = msgbufp->msg_bufr;
     50  1.1.2.2  yamt 
     51  1.1.2.2  yamt 	scr->scr_status &= ~VCONS_IS_VISIBLE;
     52  1.1.2.2  yamt 	while (rptr != msgbufp->msg_bufx) {
     53  1.1.2.2  yamt 		cnputc(msgbufp->msg_bufc[rptr]);
     54  1.1.2.2  yamt 		rptr++;
     55  1.1.2.2  yamt 		if (rptr >= msgbufp->msg_bufs)
     56  1.1.2.2  yamt 			rptr = 0;
     57  1.1.2.2  yamt 	}
     58  1.1.2.2  yamt 	scr->scr_status = status;
     59  1.1.2.2  yamt 	vcons_redraw_screen(scr);
     60  1.1.2.2  yamt }
     61