blob: 78eef6afd33c36c6ab961a80478a4c9b39d63443 (
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
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* From coreboot file of same name
*
* Copyright (C) 2014 Google, Inc
*/
#ifndef _ARCH_ASM_LAPIC_H
#define _ARCH_ASM_LAPIC_H
#define LAPIC_DEFAULT_BASE 0xfee00000
#define LAPIC_ID 0x020
#define LAPIC_LVR 0x030
#define LAPIC_TASKPRI 0x080
#define LAPIC_TPRI_MASK 0xff
#define LAPIC_RRR 0x0c0
#define LAPIC_SPIV 0x0f0
#define LAPIC_SPIV_ENABLE 0x100
#define LAPIC_ICR 0x300
#define LAPIC_DEST_SELF 0x40000
#define LAPIC_DEST_ALLINC 0x80000
#define LAPIC_DEST_ALLBUT 0xc0000
#define LAPIC_ICR_RR_MASK 0x30000
#define LAPIC_ICR_RR_INVALID 0x00000
#define LAPIC_ICR_RR_INPROG 0x10000
#define LAPIC_ICR_RR_VALID 0x20000
#define LAPIC_INT_LEVELTRIG 0x08000
#define LAPIC_INT_ASSERT 0x04000
#define LAPIC_ICR_BUSY 0x01000
#define LAPIC_DEST_LOGICAL 0x00800
#define LAPIC_DM_FIXED 0x00000
#define LAPIC_DM_LOWEST 0x00100
#define LAPIC_DM_SMI 0x00200
#define LAPIC_DM_REMRD 0x00300
#define LAPIC_DM_NMI 0x00400
#define LAPIC_DM_INIT 0x00500
#define LAPIC_DM_STARTUP 0x00600
#define LAPIC_DM_EXTINT 0x00700
#define LAPIC_VECTOR_MASK 0x000ff
#define LAPIC_ICR2 0x310
#define GET_LAPIC_DEST_FIELD(x) (((x) >> 24) & 0xff)
#define SET_LAPIC_DEST_FIELD(x) ((x) << 24)
#define LAPIC_LVT0 0x350
#define LAPIC_LVT1 0x360
#define LAPIC_LVT_MASKED (1 << 16)
#define LAPIC_LVT_LEVEL_TRIGGER (1 << 15)
#define LAPIC_LVT_REMOTE_IRR (1 << 14)
#define LAPIC_INPUT_POLARITY (1 << 13)
#define LAPIC_SEND_PENDING (1 << 12)
#define LAPIC_LVT_RESERVED_1 (1 << 11)
#define LAPIC_DELIVERY_MODE_MASK (7 << 8)
#define LAPIC_DELIVERY_MODE_FIXED (0 << 8)
#define LAPIC_DELIVERY_MODE_NMI (4 << 8)
#define LAPIC_DELIVERY_MODE_EXTINT (7 << 8)
unsigned long lapic_read(unsigned long reg);
void lapic_write(unsigned long reg, unsigned long v);
void enable_lapic(void);
void disable_lapic(void);
unsigned long lapicid(void);
int lapic_remote_read(int apicid, int reg, unsigned long *pvalue);
void lapic_setup(void);
#endif
|