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/*
* spinconsole.c
*
* Author: Maksym Sobolyev <sobomax@sippysoft.com>
* Copyright (c) 2009 Sippy Software, Inc.
* All rights reserved.
*
* Subject to the following obligations and disclaimer of warranty, use and
* redistribution of this software, in source or object code forms, with or
* without modifications are expressly permitted by Whistle Communications;
* provided, however, that:
* 1. Any and all reproductions of the source or object code must include the
* copyright notice above and the following disclaimer of warranties; and
* 2. No rights are granted, in any manner or form, to use Whistle
* Communications, Inc. trademarks, including the mark "WHISTLE
* COMMUNICATIONS" on advertising, endorsements, or otherwise except as
* such appears in the above copyright notice or in the software.
*
* THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
* REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
* INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
* WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
* REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
* SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
* IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
* RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
* WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER 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 WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#include <stand.h>
#include <bootstrap.h>
static void spinc_probe(struct console *cp);
static int spinc_init(struct console *cp, int arg);
static void spinc_putchar(struct console *cp, int c);
static int spinc_getchar(struct console *cp);
static int spinc_ischar(struct console *cp);
static void spinc_devinfo(struct console *cp);
struct console spinconsole = {
.c_name = "spin",
.c_desc = "spin port",
.c_flags = 0,
.c_probe = spinc_probe,
.c_init = spinc_init,
.c_out = spinc_putchar,
.c_in = spinc_getchar,
.c_ready = spinc_ischar,
.c_ioctl = NULL,
.c_devinfo = spinc_devinfo,
.c_private = NULL
};
static void
spinc_devinfo(struct console *cp __unused)
{
printf("\tsoftware device");
}
static void
spinc_probe(struct console *cp)
{
int i;
struct console *parent;
if (cp->c_private == NULL) {
for (i = 0; consoles[i] != NULL; i++)
if (strcmp(consoles[i]->c_name, "text") == 0)
break;
cp->c_private = consoles[i];
}
parent = cp->c_private;
if (parent != NULL)
parent->c_probe(cp);
}
static int
spinc_init(struct console *cp, int arg)
{
struct console *parent;
parent = cp->c_private;
if (parent != NULL)
return (parent->c_init(cp, arg));
else
return (0);
}
static void
spinc_putchar(struct console *cp, int c __unused)
{
static unsigned tw_chars = 0x5C2D2F7C; /* "\-/|" */
static time_t lasttime = 0;
struct console *parent;
time_t now;
now = time(NULL);
if (now < (lasttime + 1))
return;
lasttime = now;
parent = cp->c_private;
if (parent == NULL)
return;
parent->c_out(parent, (char)tw_chars);
parent->c_out(parent, '\b');
tw_chars = (tw_chars >> 8) | ((tw_chars & (unsigned long)0xFF) << 24);
}
static int
spinc_getchar(struct console *cp __unused)
{
return (-1);
}
static int
spinc_ischar(struct console *cp __unused)
{
return (0);
}
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