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/*-
* Copyright (C) 2014 Nathan Whitehorn
* 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 ``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 TOOLS GMBH 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("$FreeBSD$");
#include <sys/types.h>
#include "bootstrap.h"
#include "host_syscall.h"
static void hostcons_probe(struct console *cp);
static int hostcons_init(int arg);
static void hostcons_putchar(int c);
static int hostcons_getchar();
static int hostcons_poll();
struct console hostconsole = {
"host",
"Host Console",
0,
hostcons_probe,
hostcons_init,
hostcons_putchar,
hostcons_getchar,
hostcons_poll,
};
static void
hostcons_probe(struct console *cp)
{
cp->c_flags |= C_PRESENTIN|C_PRESENTOUT;
}
static int
hostcons_init(int arg)
{
/* XXX: set nonblocking */
/* tcsetattr(~(ICANON | ECHO)) */
return (0);
}
static void
hostcons_putchar(int c)
{
uint8_t ch = c;
host_write(1, &ch, 1);
}
static int
hostcons_getchar()
{
uint8_t ch;
int rv;
rv = host_read(0, &ch, 1);
if (rv == 1)
return (ch);
return (-1);
}
static int
hostcons_poll()
{
struct host_timeval tv = {0,0};
long fds = 1 << 0;
int ret;
ret = host_select(32, &fds, NULL, NULL, &tv);
return (ret > 0);
}
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