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/*-
* Copyright (c) 2000 Doug Rabson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/boot/ia64/ski/skiconsole.c 135696 2004-09-24 03:53:50Z marcel $");
#include <stand.h>
#include "bootstrap.h"
#include "libski.h"
static void
ski_cons_probe(struct console *cp)
{
cp->c_flags |= C_PRESENTIN | C_PRESENTOUT;
}
static int
ski_cons_init(int arg)
{
ssc(0, 0, 0, 0, SSC_CONSOLE_INIT);
return 0;
}
void
ski_cons_putchar(int c)
{
ssc(c, 0, 0, 0, SSC_PUTCHAR);
}
static int pollchar = -1;
int
ski_cons_getchar()
{
int c;
if (pollchar > 0) {
c = pollchar;
pollchar = -1;
return c;
}
do {
c = ssc(0, 0, 0, 0, SSC_GETCHAR);
} while (c == 0);
return c;
}
int
ski_cons_poll()
{
int c;
if (pollchar > 0)
return 1;
c = ssc(0, 0, 0, 0, SSC_GETCHAR);
if (!c)
return 0;
pollchar = c;
return 1;
}
struct console ski_console = {
"ski",
"ia64 SKI console",
0,
ski_cons_probe,
ski_cons_init,
ski_cons_putchar,
ski_cons_getchar,
ski_cons_poll
};