1 /* $NetBSD: apic.c,v 1.8 2008/12/16 22:35:28 christos Exp $ */
2 
3 /*-
4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by RedBack Networks Inc.
9  *
10  * Author: Bill Sommerfeld
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #include <sys/cdefs.h>
35 __KERNEL_RCSID(0, "$NetBSD: apic.c,v 1.8 2008/12/16 22:35:28 christos Exp $");
36 
37 #include <sys/types.h>
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 
41 #include <machine/i82489reg.h>
42 #include <machine/i82489var.h>
43 #include <machine/apicvar.h>
44 
45 const char redirlofmt[] = "\177\20"
46 	"f\0\10vector\0"
47 	"f\10\3delmode\0"
48 	"b\13logical\0"
49 	"b\14pending\0"
50 	"b\15actlo\0"
51 	"b\16irrpending\0"
52 	"b\17level\0"
53 	"b\20masked\0"
54 	"f\22\1dest\0" "=\1self" "=\2all" "=\3all-others";
55 
56 const char redirhifmt[] = "\177\20"
57 	"f\30\10target\0";
58 
59 void
apic_format_redir(const char * where1,const char * where2,int idx,uint32_t redirhi,uint32_t redirlo)60 apic_format_redir(const char *where1, const char *where2, int idx,
61 		uint32_t redirhi, uint32_t redirlo)
62 {
63 	char buf[256];
64 
65 	snprintb(buf, sizeof(buf), redirlofmt, redirlo);
66 	printf("%s: %s%d %s",
67 	    where1, where2, idx, buf);
68 
69 	if ((redirlo & LAPIC_DEST_MASK) == 0) {
70 		snprintb(buf, sizeof(buf), redirhifmt, redirhi);
71 		printf(" %s", buf);
72 	}
73 
74 
75 	printf("\n");
76 }
77