73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/*
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* <Insert copyright here : it must be BSD-like so everyone can use it>
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*
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* Author: Erich Boleyn <erich@uruk.org> http://www.uruk.org/~erich/
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*
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* Header file for Intel Architecture local and I/O APIC definitions.
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*
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* This file was created from information in the Intel Pentium Pro
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* Family Developer's Manual, Volume 3: Operating System Writer's
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* Manual, order number 242692-001, which can be ordered from the
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* Intel literature center.
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*/
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#ifndef _APIC_H
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#define _APIC_H
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/*
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* APIC Defines.
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*/
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#define APIC_BROADCAST_ID 0xFF
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/*
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* APIC register definitions
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*/
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/*
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* Shared defines for I/O and local APIC definitions
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*/
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/* APIC version register */
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#define APIC_VERSION(x) ((x) & 0xFF)
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/* if the APIC version is equal or greater than APIC_VER_NEW, it
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is a "new" APIC */
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#define APIC_VER_NEW 0x10
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/* this next one is used in all cases but an old local APIC, which has
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2 entries in it's LVT */
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#define APIC_MAXREDIR(x) (((x) >> 16) & 0xFF)
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/* APIC id register */
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#define APIC_OLD_ID(x) ((x) >> 24)
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#define APIC_NEW_ID(x) (((x) >> 24) & 0xF)
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#define IOAPIC_REGSEL 0
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#define IOAPIC_RW 0x10
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#define IOAPIC_ID 0
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#define IOAPIC_VER 1
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#define IOAPIC_REDIR 0x10
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#define LAPIC_ID 0x20
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#define LAPIC_VER 0x30
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#define LAPIC_TPR 0x80
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#define LAPIC_APR 0x90
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#define LAPIC_PPR 0xA0
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#define LAPIC_EOI 0xB0
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#define LAPIC_LDR 0xD0
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#define LAPIC_DFR 0xE0
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#define LAPIC_SPIV 0xF0
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#define LAPIC_SPIV_ENABLE_APIC 0x100
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#define LAPIC_ISR 0x100
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#define LAPIC_TMR 0x180
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#define LAPIC_IRR 0x200
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#define LAPIC_ESR 0x280
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#define LAPIC_ICR 0x300
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#define LAPIC_DEST_MASK 0xFFFFFF
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#define LAPIC_LVTT 0x320
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#define LAPIC_LVTPC 0x340
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#define LAPIC_LVT0 0x350
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#define LAPIC_LVT1 0x360
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#define LAPIC_LVTE 0x370
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#define LAPIC_TICR 0x380
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#define LAPIC_TCCR 0x390
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#define LAPIC_TDCR 0x3E0
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#endif /* _APIC_H */
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