Annotation of sys/arch/i386/include/mpbiosreg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: mpbiosreg.h,v 1.3 2005/11/23 09:24:52 mickey Exp $ */
2: /* $NetBSD: mpbiosreg.h,v 1.1.2.3 2000/02/29 13:17:51 sommerfeld Exp $ */
3:
4: /*-
5: * Copyright (c) 2000 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by RedBack Networks Inc.
10: *
11: * Author: Bill Sommerfeld
12: *
13: * Redistribution and use in source and binary forms, with or without
14: * modification, are permitted provided that the following conditions
15: * are met:
16: * 1. Redistributions of source code must retain the above copyright
17: * notice, this list of conditions and the following disclaimer.
18: * 2. Redistributions in binary form must reproduce the above copyright
19: * notice, this list of conditions and the following disclaimer in the
20: * documentation and/or other materials provided with the distribution.
21: * 3. All advertising materials mentioning features or use of this software
22: * must display the following acknowledgement:
23: * This product includes software developed by the NetBSD
24: * Foundation, Inc. and its contributors.
25: * 4. Neither the name of The NetBSD Foundation nor the names of its
26: * contributors may be used to endorse or promote products derived
27: * from this software without specific prior written permission.
28: *
29: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
30: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
31: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
32: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
33: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
34: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
35: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
36: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
37: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
39: * POSSIBILITY OF SUCH DAMAGE.
40: */
41:
42: #ifndef _I386_MPBIOSREG_H_
43: #define _I386_MPBIOSREG_H_
44:
45: #define BIOS_BASE (0xf0000)
46: #define BIOS_SIZE (0x10000)
47: #define BIOS_COUNT (BIOS_SIZE)
48:
49: /*
50: * Multiprocessor config table entry types.
51: */
52:
53: #define MPS_MCT_CPU 0
54: #define MPS_MCT_BUS 1
55: #define MPS_MCT_IOAPIC 2
56: #define MPS_MCT_IOINT 3
57: #define MPS_MCT_LINT 4
58:
59: #define MPS_MCT_NTYPES 5
60:
61: /*
62: * Interrupt typess
63: */
64:
65: #define MPS_INTTYPE_INT 0
66: #define MPS_INTTYPE_NMI 1
67: #define MPS_INTTYPE_SMI 2
68: #define MPS_INTTYPE_ExtINT 3
69:
70: #define MPS_INTPO_DEF 0
71: #define MPS_INTPO_ACTHI 1
72: #define MPS_INTPO_ACTLO 3
73: #define MPS_INTPO_SHIFT 0
74: #define MPS_INTPO_MASK 3
75:
76: #define MPS_INTTR_DEF 0
77: #define MPS_INTTR_EDGE 1
78: #define MPS_INTTR_LEVEL 3
79: #define MPS_INTTR_SHIFT 2
80: #define MPS_INTTR_MASK 3
81:
82: #define MPS_INT(p,t) \
83: ((((p) & MPS_INTPO_MASK) << MPS_INTPO_SHIFT) | \
84: (((t) & MPS_INTTR_MASK) << MPS_INTTR_SHIFT))
85:
86: /* MP Floating Pointer Structure */
87: struct mpbios_fps {
88: u_int32_t signature;
89: /* string defined by the Intel MP Spec as identifying the MP table */
90: #define MP_FP_SIG 0x5f504d5f /* _MP_ */
91:
92: u_int32_t pap;
93: u_int8_t length;
94: u_int8_t spec_rev;
95: u_int8_t checksum;
96: u_int8_t mpfb1; /* system configuration */
97: u_int8_t mpfb2; /* flags */
98: #define MPFPS_FLAG_IMCR 0x80 /* IMCR present */
99: u_int8_t mpfb3; /* unused */
100: u_int8_t mpfb4; /* unused */
101: u_int8_t mpfb5; /* unused */
102: };
103:
104: /* MP Configuration Table Header */
105: struct mpbios_cth {
106: u_int32_t signature;
107: #define MP_CT_SIG 0x504d4350 /* PCMP */
108:
109: u_int16_t base_len;
110: u_int8_t spec_rev;
111: u_int8_t checksum;
112: u_int8_t oem_id[8];
113: u_int8_t product_id[12];
114: u_int32_t oem_table_pointer;
115: u_int16_t oem_table_size;
116: u_int16_t entry_count;
117: u_int32_t apic_address;
118: u_int16_t ext_len;
119: u_int8_t ext_cksum;
120: u_int8_t reserved;
121: };
122:
123: struct mpbios_proc {
124: u_int8_t type;
125: u_int8_t apic_id;
126: u_int8_t apic_version;
127: u_int8_t cpu_flags;
128: #define PROCENTRY_FLAG_EN 0x01
129: #define PROCENTRY_FLAG_BP 0x02
130: u_long cpu_signature;
131: u_long feature_flags;
132: u_long reserved1;
133: u_long reserved2;
134: };
135:
136: struct mpbios_bus {
137: u_int8_t type;
138: u_int8_t bus_id;
139: char bus_type[6];
140: };
141:
142: struct mpbios_ioapic {
143: u_int8_t type;
144: u_int8_t apic_id;
145: u_int8_t apic_version;
146: u_int8_t apic_flags;
147: #define IOAPICENTRY_FLAG_EN 0x01
148: void *apic_address;
149: };
150:
151: struct mpbios_int {
152: u_int8_t type;
153: u_int8_t int_type;
154: u_int16_t int_flags;
155: u_int8_t src_bus_id;
156: u_int8_t src_bus_irq;
157: u_int8_t dst_apic_id;
158: #define MPS_ALL_APICS 0xff
159: u_int8_t dst_apic_int;
160: };
161:
162: #endif /* !_I386_MPBIOSREG_H_ */
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