freebsd-dev/sys/boot/uboot/lib/console.c
2008-09-03 15:39:50 +00:00

90 lines
2.2 KiB
C

/*-
* Copyright (c) 2007 Semihalf, Rafal Jaworowski <raj@semihalf.com>
* 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("$FreeBSD$");
#include <stand.h>
#include "bootstrap.h"
#include "glue.h"
int console;
static void uboot_cons_probe(struct console *cp);
static int uboot_cons_init(int);
static void uboot_cons_putchar(int);
static int uboot_cons_getchar(void);
static int uboot_cons_poll(void);
struct console uboot_console = {
"uboot",
"U-Boot console",
0,
uboot_cons_probe,
uboot_cons_init,
uboot_cons_putchar,
uboot_cons_getchar,
uboot_cons_poll,
};
static void
uboot_cons_probe(struct console *cp)
{
cp->c_flags |= (C_PRESENTIN | C_PRESENTOUT);
}
static int
uboot_cons_init(int arg)
{
return (0);
}
static void
uboot_cons_putchar(int c)
{
if (c == '\n')
ub_putc('\r');
ub_putc(c);
}
static int
uboot_cons_getchar()
{
return (ub_getc());
}
static int
uboot_cons_poll()
{
return (ub_tstc());
}