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/*-
* Copyright (c) 2011 Google, Inc.
* 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 "libuserboot.h"
int console;
static struct console *userboot_comconsp;
static void userboot_cons_probe(struct console *cp);
static int userboot_cons_init(int);
static void userboot_comcons_probe(struct console *cp);
static int userboot_comcons_init(int);
static void userboot_cons_putchar(int);
static int userboot_cons_getchar(void);
static int userboot_cons_poll(void);
struct console userboot_console = {
"userboot",
"userboot",
0,
userboot_cons_probe,
userboot_cons_init,
userboot_cons_putchar,
userboot_cons_getchar,
userboot_cons_poll,
};
/*
* Provide a simple alias to allow loader scripts to set the
* console to comconsole without resulting in an error
*/
struct console userboot_comconsole = {
"comconsole",
"comconsole",
0,
userboot_comcons_probe,
userboot_comcons_init,
userboot_cons_putchar,
userboot_cons_getchar,
userboot_cons_poll,
};
static void
userboot_cons_probe(struct console *cp)
{
cp->c_flags |= (C_PRESENTIN | C_PRESENTOUT);
}
static int
userboot_cons_init(int arg)
{
return (0);
}
static void
userboot_comcons_probe(struct console *cp)
{
/*
* Save the console pointer so the comcons_init routine
* can set the C_PRESENT* flags. They are not set
* here to allow the existing userboot console to
* be elected the default.
*/
userboot_comconsp = cp;
}
static int
userboot_comcons_init(int arg)
{
/*
* Set the C_PRESENT* flags to allow the comconsole
* to be selected as the active console
*/
userboot_comconsp->c_flags |= (C_PRESENTIN | C_PRESENTOUT);
return (0);
}
static void
userboot_cons_putchar(int c)
{
CALLBACK(putc, c);
}
static int
userboot_cons_getchar()
{
return (CALLBACK(getc));
}
static int
userboot_cons_poll()
{
return (CALLBACK(poll));
}
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