VirtualBox

source: vbox/trunk/include/VBox/apic.h@ 52664

Last change on this file since 52664 was 47844, checked in by vboxsync, 11 years ago

VMM: X2APIC + NMI. Only tested on AMD64.

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File size: 2.6 KB
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[33935]1/** @file
2 * X86 (and AMD64) Local APIC registers (VMM,++).
3 *
4 * apic.mac is generated from this file by running 'kmk incs' in the root.
5 */
6
7/*
[44528]8 * Copyright (C) 2010-2012 Oracle Corporation
[33935]9 *
10 * This file is part of VirtualBox Open Source Edition (OSE), as
11 * available from http://www.virtualbox.org. This file is free software;
12 * you can redistribute it and/or modify it under the terms of the GNU
13 * General Public License (GPL) as published by the Free Software
14 * Foundation, in version 2 as it comes in the "COPYING" file of the
15 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
16 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
17 *
18 * The contents of this file may alternatively be used under the terms
19 * of the Common Development and Distribution License Version 1.0
20 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
21 * VirtualBox OSE distribution, in which case the provisions of the
22 * CDDL are applicable instead of those of the GPL.
23 *
24 * You may elect to license modified versions of this file under the
25 * terms and conditions of either the GPL or the CDDL or both.
26 */
27
28#ifndef ___VBox_apic_h
29#define ___VBox_apic_h
30
[36536]31#include <iprt/types.h>
32
[33935]33#define APIC_REG_VERSION 0x0030
[44004]34#define APIC_REG_VERSION_GET_VER(u32) (u32 & 0xff)
35#define APIC_REG_VERSION_GET_MAX_LVT(u32) ((u32 & 0xff0000) >> 16)
[33935]36
[44004]37/* Defines according to Figure 10-8 of the Intel Software Developers Manual Vol 3A */
[33935]38#define APIC_REG_LVT_LINT0 0x0350
39#define APIC_REG_LVT_LINT1 0x0360
40#define APIC_REG_LVT_ERR 0x0370
41#define APIC_REG_LVT_PC 0x0340
42#define APIC_REG_LVT_THMR 0x0330
[44004]43#define APIC_REG_LVT_MODE_MASK (RT_BIT(8) | RT_BIT(9) | RT_BIT(10))
44#define APIC_REG_LVT_MODE_FIXED 0
45#define APIC_REG_LVT_MODE_NMI RT_BIT(10)
46#define APIC_REG_LVT_MODE_EXTINT (RT_BIT(8) | RT_BIT(9) | RT_BIT(10))
47#define APIC_REG_LVT_PIN_POLARIY RT_BIT(13)
48#define APIC_REG_LVT_REMOTE_IRR RT_BIT(14)
49#define APIC_REG_LVT_LEVEL_TRIGGER RT_BIT(15)
50#define APIC_REG_LVT_MASKED RT_BIT(16)
[33935]51
[38959]52DECLINLINE(uint32_t) ApicRegRead(void *pvBase, uint32_t offReg)
[33935]53{
[38959]54 return *(const volatile uint32_t *)((uintptr_t)pvBase + offReg);
[33935]55}
56
[47844]57
58#ifdef ___iprt_asm_amd64_x86_h
59/**
60 * Reads an X2APIC register.
61 *
62 * @param offReg MMIO offset, APIC_REG_XXX.
63 */
64DECLINLINE(uint32_t) ApicX2RegRead32(uint32_t offReg)
65{
66 return ASMRdMsr((offReg >> 4) + MSR_IA32_X2APIC_START);
67}
68#endif
69
[44004]70#endif /* ___VBox_apic_h */
[36536]71
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