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
|
/* $OpenBSD: i82093reg.h,v 1.2 2004/06/13 21:49:16 niklas Exp $ */
/* $NetBSD: i82093reg.h,v 1.1.2.2 2000/02/21 18:54:07 sommerfeld 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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.
*/
/*
* Typically, the first apic lives here.
*/
#define IOAPIC_BASE_DEFAULT 0xfec00000
/*
* Memory-space registers.
*/
/*
* The externally visible registers are all 32 bits wide;
* store the register number of interest in IOAPIC_REG, and store/fetch
* the real value in IOAPIC_DATA.
*/
#define IOAPIC_REG 0x0000
#define IOAPIC_DATA 0x0010
/*
* Internal I/O APIC registers.
*/
#define IOAPIC_ID 0x00
#define IOAPIC_ID_SHIFT 24
#define IOAPIC_ID_MASK 0x0f000000
/* Version, and maximum interrupt pin number. */
#define IOAPIC_VER 0x01
#define IOAPIC_VER_SHIFT 0
#define IOAPIC_VER_MASK 0x000000ff
#define IOAPIC_MAX_SHIFT 16
#define IOAPIC_MAX_MASK 0x00ff0000
/*
* Arbitration ID. Same format as IOAPIC_ID register.
*/
#define IOAPIC_ARB 0x02
/*
* Redirection table registers.
*/
#define IOAPIC_REDHI(pin) (0x11 + ((pin)<<1))
#define IOAPIC_REDLO(pin) (0x10 + ((pin)<<1))
#define IOAPIC_REDHI_DEST_SHIFT 24 /* destination. */
#define IOAPIC_REDHI_DEST_MASK 0xff000000
#define IOAPIC_REDLO_MASK 0x00010000 /* 0=enabled; 1=masked */
#define IOAPIC_REDLO_LEVEL 0x00008000 /* 0=edge, 1=level */
#define IOAPIC_REDLO_RIRR 0x00004000 /* remote IRR; read only */
#define IOAPIC_REDLO_ACTLO 0x00002000 /* 0=act. hi; 1=act. lo */
#define IOAPIC_REDLO_DELSTS 0x00001000 /* 0=idle; 1=send pending */
#define IOAPIC_REDLO_DSTMOD 0x00000800 /* 0=physical; 1=logical */
#define IOAPIC_REDLO_DEL_MASK 0x00000700 /* del. mode mask */
#define IOAPIC_REDLO_DEL_SHIFT 8
#define IOAPIC_REDLO_DEL_FIXED 0
#define IOAPIC_REDLO_DEL_LOPRI 1
#define IOAPIC_REDLO_DEL_SMI 2
#define IOAPIC_REDLO_DEL_NMI 4
#define IOAPIC_REDLO_DEL_INIT 5
#define IOAPIC_REDLO_DEL_EXTINT 7
#define IOAPIC_REDLO_VECTOR_MASK 0x000000ff /* delivery vector */
#define IMCR_ADDR 0x22
#define IMCR_DATA 0x23
#define IMCR_REGISTER 0x70
#define IMCR_PIC 0x00
#define IMCR_APIC 0x01
#define ioapic_asm_ack(num) \
movl $0,_C_LABEL(local_apic) + LAPIC_EOI
|
