1 /* $NetBSD: apic.c,v 1.10 2019/06/14 09:23:42 msaitoh 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 1.10 2019/06/14 09:23:42 msaitoh 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 #define APICVTFMT "\177\20" \
46 "f\0\10vector\0" \
47 "f\10\3delmode\0" "=\0fixed\0" "=\1low\0" "=\2SMI\0" "=\4NMI\0" \
48 "=\5INIT\0" "=\6startup\0" "=\7ExtINT\0" \
49 "F\13\1\0" ":\0physical\0" ":\1logical\0" \
50 "b\14pending\0" \
51 "F\15\1\0" ":\0acthi\0" ":\1actlo\0" \
52 "b\16irrpending\0" \
53 "F\17\1\0" ":\0edge\0" ":\1level\0" \
54 "b\20masked\0"
55
56 static const char ioapicfmt[] = APICVTFMT
57 "f\22\2dest\0" "=\1self\0" "=\2all\0" "=\3all-others\0";
58
59 static const char lapicfmt[] = APICVTFMT
60 "f\21\2timer\0" "=\0oneshot\0" "=\1periodic\0" "=\2TSC-deadine\0";
61
62 static const char redirhifmt[] = "\177\20"
63 "f\30\10target\0";
64
65 void
apic_format_redir(const char * where1,const char * where2,int idx,int type,uint32_t redirhi,uint32_t redirlo)66 apic_format_redir(const char *where1, const char *where2, int idx, int type,
67 uint32_t redirhi, uint32_t redirlo)
68 {
69 char buf[256];
70
71 snprintb(buf, sizeof(buf),
72 type == APIC_VECTYPE_IOAPIC ? ioapicfmt : lapicfmt, redirlo);
73 printf("%s: %s%d %s", where1, where2, idx, buf);
74
75 if ((type == APIC_VECTYPE_IOAPIC)
76 && ((redirlo & LAPIC_DEST_MASK) == 0)) {
77 snprintb(buf, sizeof(buf), redirhifmt, redirhi);
78 printf(" %s", buf);
79 }
80
81 printf("\n");
82 }
83