/*
 *  <Insert copyright here : it must be BSD-like so everyone can use it>
 *
 *  Author:  Erich Boleyn  <erich@uruk.org>   http://www.uruk.org/~erich/
 *
 *  Header file for Intel Architecture local and I/O APIC definitions.
 *
 *  This file was created from information in the Intel Pentium Pro
 *  Family Developer's Manual, Volume 3: Operating System Writer's
 *  Manual, order number 242692-001, which can be ordered from the
 *  Intel literature center.
 */

#ifndef _APIC_H
#define _APIC_H

/*
 *  APIC Defines.
 */

#define APIC_BROADCAST_ID                       0xFF

/*
 *  APIC register definitions
 */

/*
 *  Shared defines for I/O and local APIC definitions
 */
/* APIC version register */
#define APIC_VERSION(x)                         ((x) & 0xFF)
/* if the APIC version is equal or greater than APIC_VER_NEW, it
   is a "new" APIC */
#define APIC_VER_NEW                            0x10
/* this next one is used in all cases but an old local APIC, which has
   2 entries in it's LVT */
#define APIC_MAXREDIR(x)                        (((x) >> 16) & 0xFF)
/* APIC id register */
#define APIC_OLD_ID(x)                          ((x) >> 24)
#define APIC_NEW_ID(x)                          (((x) >> 24) & 0xF)

#define IOAPIC_REGSEL                           0
#define IOAPIC_RW                               0x10
#define         IOAPIC_ID                       0
#define         IOAPIC_VER                      1
#define         IOAPIC_REDIR                    0x10
#define LAPIC_ID                                0x20
#define LAPIC_VER                               0x30
#define LAPIC_TPR                               0x80
#define LAPIC_APR                               0x90
#define LAPIC_PPR                               0xA0
#define LAPIC_EOI                               0xB0
#define LAPIC_LDR                               0xD0
#define LAPIC_DFR                               0xE0
#define LAPIC_SPIV                              0xF0
#define         LAPIC_SPIV_ENABLE_APIC          0x100
#define LAPIC_ISR                               0x100
#define LAPIC_TMR                               0x180
#define LAPIC_IRR                               0x200
#define LAPIC_ESR                               0x280
#define LAPIC_ICR                               0x300
#define         LAPIC_DEST_MASK                 0xFFFFFF
#define LAPIC_LVTT                              0x320
#define LAPIC_LVTPC                             0x340
#define LAPIC_LVT0                              0x350
#define LAPIC_LVT1                              0x360
#define LAPIC_LVTE                              0x370
#define LAPIC_TICR                              0x380
#define LAPIC_TCCR                              0x390
#define LAPIC_TDCR                              0x3E0

#endif /* _APIC_H */