NetBSD/sys/arch/arc/arc/platform.c

117 lines
3.5 KiB
C

/* $NetBSD: platform.c,v 1.3 2005/01/22 07:35:33 tsutsui Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by SODA Noriyuki.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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>
__KERNEL_RCSID(0, "$NetBSD: platform.c,v 1.3 2005/01/22 07:35:33 tsutsui Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kcore.h>
#include <machine/platform.h>
#include <arc/arc/arcbios.h>
struct platform *platform = NULL;
void print_platform(struct platform *);
void
print_platform(struct platform *p)
{
printf("\"%s %s%s\" (%s, %s)",
p->vendor, p->model, p->variant,
p->vendor_id ? p->vendor_id : "NULL",
p->system_id);
}
int
ident_platform(void)
{
int i, rv, matched = -1, match = 0, ambiguous_match = 0;
for (i = 0; i < nplattab; i++) {
rv = (*plattab[i]->match)(plattab[i]);
if (rv > match) {
match = rv;
matched = i;
ambiguous_match = 0;
} else if (rv == match) {
++ambiguous_match;
}
}
if (ambiguous_match) {
/* assumes that ARC Firmware printf() can be used. */
printf("ambiguous platform detection between ");
print_platform(plattab[matched]);
for (i = 0; i < nplattab; i++) {
if (i == matched)
continue;
rv = (*plattab[i]->match)(plattab[i]);
if (rv < match)
continue;
if (--ambiguous_match)
printf(", ");
else
printf(" and ");
print_platform(plattab[i]);
}
printf(". ");
print_platform(plattab[matched]);
printf(" is choosed.\n");
}
if (match)
platform = plattab[matched];
return match;
}
int
platform_generic_match(struct platform *p)
{
if (strcmp(arc_id, p->system_id) == 0 &&
(p->vendor_id == NULL || strcmp(arc_vendor_id, p->vendor_id) == 0))
return 1;
return 0;
}
void
platform_nop(void)
{
}