summaryrefslogtreecommitdiff
path: root/sys/arch/amd64/include/mpbiosreg.h
blob: 9e284b053ad42c677357314250cad0a28b25cecb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
/*	$OpenBSD: mpbiosreg.h,v 1.4 2011/03/23 16:54:34 pirofti Exp $	*/
/* 	$NetBSD: mpbiosreg.h,v 1.3 2003/03/04 23:27:32 fvdl Exp $ */

/*-
 * Copyright (c) 2000 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by RedBack Networks Inc.
 *
 * Author: Bill Sommerfeld
 *
 * 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.
 *
 * 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.
 */

#ifndef _MACHINE_MPBIOSREG_H_
#define _MACHINE_MPBIOSREG_H_

#define BIOS_BASE		(0xf0000)
#define BIOS_SIZE		(0x10000)
#define BIOS_COUNT		(BIOS_SIZE)

/*
 * Multiprocessor config table entry types.
 */

#define MPS_MCT_CPU	0
#define MPS_MCT_BUS	1
#define MPS_MCT_IOAPIC	2
#define MPS_MCT_IOINT	3
#define MPS_MCT_LINT	4

#define MPS_MCT_NTYPES	5

/*
 * Interrupt typess
 */

#define MPS_INTTYPE_INT		0
#define MPS_INTTYPE_NMI		1
#define MPS_INTTYPE_SMI		2
#define MPS_INTTYPE_ExtINT	3

#define MPS_INTPO_DEF		0
#define MPS_INTPO_ACTHI		1
#define MPS_INTPO_ACTLO		3
#define MPS_INTPO_SHIFT		0
#define MPS_INTPO_MASK		3

#define MPS_INTTR_DEF		0
#define MPS_INTTR_EDGE		1
#define MPS_INTTR_LEVEL		3
#define MPS_INTTR_SHIFT		2
#define MPS_INTTR_MASK		3

#define MPS_INT(p,t) \
    ((((p) & MPS_INTPO_MASK) << MPS_INTPO_SHIFT) | \
     (((t) & MPS_INTTR_MASK) << MPS_INTTR_SHIFT))

/* MP Floating Pointer Structure */
struct mpbios_fps {
	u_int32_t	signature;
/* string defined by the Intel MP Spec as identifying the MP table */
#define MP_FP_SIG		0x5f504d5f	/* _MP_ */
	
	u_int32_t 	pap;
	u_int8_t  	length;
	u_int8_t  	spec_rev;
	u_int8_t  	checksum;
	u_int8_t  	mpfb1;	/* system configuration */
	u_int8_t  	mpfb2;	/* flags */
#define MPFPS_FLAG_IMCR		0x80	/* IMCR present */
	u_int8_t  	mpfb3;	/* unused */
	u_int8_t  	mpfb4;	/* unused */
	u_int8_t  	mpfb5;	/* unused */
};

/* MP Configuration Table Header */
struct mpbios_cth {
	u_int32_t	signature;
#define MP_CT_SIG		0x504d4350 	/* PCMP */
	
	u_int16_t 	base_len;
	u_int8_t  	spec_rev;
	u_int8_t  	checksum;
	u_int8_t  	oem_id[8];
	u_int8_t  	product_id[12];
	u_int32_t	oem_table_pointer;
	u_int16_t 	oem_table_size;
	u_int16_t 	entry_count;
	u_int32_t	apic_address;
	u_int16_t	ext_len;
	u_int8_t  	ext_cksum;
	u_int8_t  	reserved;
};

struct mpbios_proc {
	u_int8_t  type;
	u_int8_t  apic_id;
	u_int8_t  apic_version;
	u_int8_t  cpu_flags;
#define PROCENTRY_FLAG_EN	0x01
#define PROCENTRY_FLAG_BP	0x02
	u_int32_t  cpu_signature;
	u_int32_t  feature_flags;
	u_int32_t  reserved1;
	u_int32_t  reserved2;
};

struct mpbios_bus {
	u_int8_t  type;
	u_int8_t  bus_id;
	char    bus_type[6];
};

struct mpbios_ioapic {
	u_int8_t  type;
	u_int8_t  apic_id;
	u_int8_t  apic_version;
	u_int8_t  apic_flags;
#define IOAPICENTRY_FLAG_EN	0x01
	u_int32_t   apic_address;
};

struct mpbios_int {
	u_int8_t  type;
	u_int8_t  int_type;
	u_int16_t int_flags;
	u_int8_t  src_bus_id;
	u_int8_t  src_bus_irq;
	u_int8_t  dst_apic_id;
#define MPS_ALL_APICS	0xff
	u_int8_t  dst_apic_int;
};


#endif /* !_MACHINE_MPBIOSREG_H_ */