1 /* $NetBSD: platform.c,v 1.6 2008/04/28 20:23:13 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by SODA Noriyuki. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: platform.c,v 1.6 2008/04/28 20:23:13 martin Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/kcore.h> 38 39 #include <machine/platform.h> 40 #include <arc/arc/arcbios.h> 41 42 struct platform *platform = NULL; 43 44 static void print_platform(struct platform *); 45 46 static void 47 print_platform(struct platform *p) 48 { 49 printf("\"%s %s%s\" (%s, %s)", 50 p->vendor, p->model, p->variant, 51 p->vendor_id ? p->vendor_id : "NULL", 52 p->system_id); 53 } 54 55 int 56 ident_platform(void) 57 { 58 int i, rv, matched = -1, match = 0, ambiguous_match = 0; 59 60 for (i = 0; i < nplattab; i++) { 61 rv = (*plattab[i]->match)(plattab[i]); 62 if (rv > match) { 63 match = rv; 64 matched = i; 65 ambiguous_match = 0; 66 } else if (rv == match) { 67 ++ambiguous_match; 68 } 69 } 70 if (ambiguous_match) { 71 /* assumes that ARC Firmware printf() can be used. */ 72 printf("ambiguous platform detection between "); 73 print_platform(plattab[matched]); 74 for (i = 0; i < nplattab; i++) { 75 if (i == matched) 76 continue; 77 rv = (*plattab[i]->match)(plattab[i]); 78 if (rv < match) 79 continue; 80 if (--ambiguous_match) 81 printf(", "); 82 else 83 printf(" and "); 84 print_platform(plattab[i]); 85 } 86 printf(". "); 87 print_platform(plattab[matched]); 88 printf(" is choosed.\n"); 89 } 90 if (match) 91 platform = plattab[matched]; 92 return match; 93 } 94 95 int 96 platform_generic_match(struct platform *p) 97 { 98 99 if (strcmp(arc_id, p->system_id) == 0 && 100 (p->vendor_id == NULL || strcmp(arc_vendor_id, p->vendor_id) == 0)) 101 return 1; 102 103 return 0; 104 } 105 106 void 107 platform_nop(void) 108 { 109 } 110