xref: /illumos-gate/usr/src/grub/grub-0.97/stage2/apic.h (revision 1b8adde7ba7d5e04395c141c5400dc2cffd7d809)
1 /*
2  *  <Insert copyright here : it must be BSD-like so everyone can use it>
3  *
4  *  Author:  Erich Boleyn  <erich@uruk.org>   http://www.uruk.org/~erich/
5  *
6  *  Header file for Intel Architecture local and I/O APIC definitions.
7  *
8  *  This file was created from information in the Intel Pentium Pro
9  *  Family Developer's Manual, Volume 3: Operating System Writer's
10  *  Manual, order number 242692-001, which can be ordered from the
11  *  Intel literature center.
12  */
13 
14 #ifndef _APIC_H
15 #define _APIC_H
16 
17 /*
18  *  APIC Defines.
19  */
20 
21 #define APIC_BROADCAST_ID		       	0xFF
22 
23 /*
24  *  APIC register definitions
25  */
26 
27 /*
28  *  Shared defines for I/O and local APIC definitions
29  */
30 /* APIC version register */
31 #define	APIC_VERSION(x)				((x) & 0xFF)
32 /* if the APIC version is equal or greater than APIC_VER_NEW, it
33    is a "new" APIC */
34 #define APIC_VER_NEW				0x10
35 /* this next one is used in all cases but an old local APIC, which has
36    2 entries in it's LVT */
37 #define	APIC_MAXREDIR(x)			(((x) >> 16) & 0xFF)
38 /* APIC id register */
39 #define	APIC_OLD_ID(x)				((x) >> 24)
40 #define	APIC_NEW_ID(x)				(((x) >> 24) & 0xF)
41 
42 #define IOAPIC_REGSEL				0
43 #define IOAPIC_RW				0x10
44 #define		IOAPIC_ID			0
45 #define		IOAPIC_VER			1
46 #define		IOAPIC_REDIR			0x10
47 #define LAPIC_ID				0x20
48 #define LAPIC_VER				0x30
49 #define LAPIC_TPR				0x80
50 #define LAPIC_APR				0x90
51 #define LAPIC_PPR				0xA0
52 #define LAPIC_EOI				0xB0
53 #define LAPIC_LDR				0xD0
54 #define LAPIC_DFR				0xE0
55 #define LAPIC_SPIV				0xF0
56 #define		LAPIC_SPIV_ENABLE_APIC		0x100
57 #define LAPIC_ISR				0x100
58 #define LAPIC_TMR				0x180
59 #define LAPIC_IRR				0x200
60 #define LAPIC_ESR				0x280
61 #define LAPIC_ICR				0x300
62 #define		LAPIC_DEST_MASK			0xFFFFFF
63 #define LAPIC_LVTT				0x320
64 #define LAPIC_LVTPC		       		0x340
65 #define LAPIC_LVT0				0x350
66 #define LAPIC_LVT1				0x360
67 #define LAPIC_LVTE				0x370
68 #define LAPIC_TICR				0x380
69 #define LAPIC_TCCR				0x390
70 #define LAPIC_TDCR				0x3E0
71 
72 #endif /* _APIC_H */
73