apic.h revision 6cac05f856d982151579a9d445a109960c2c07d2
/** @file
* X86 (and AMD64) Local APIC registers (VMM,++).
*
* apic.mac is generated from this file by running 'kmk incs' in the root.
*/
/*
* Copyright (C) 2010-2012 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
#ifndef ___VBox_apic_h
#define ___VBox_apic_h
#include <iprt/types.h>
#define APIC_REG_VERSION 0x0030
#define APIC_REG_VERSION_GET_VER(u32) (u32 & 0xff)
#define APIC_REG_VERSION_GET_MAX_LVT(u32) ((u32 & 0xff0000) >> 16)
/* Defines according to Figure 10-8 of the Intel Software Developers Manual Vol 3A */
#define APIC_REG_LVT_LINT0 0x0350
#define APIC_REG_LVT_LINT1 0x0360
#define APIC_REG_LVT_ERR 0x0370
#define APIC_REG_LVT_PC 0x0340
#define APIC_REG_LVT_THMR 0x0330
#define APIC_REG_LVT_MODE_MASK (RT_BIT(8) | RT_BIT(9) | RT_BIT(10))
#define APIC_REG_LVT_MODE_FIXED 0
#define APIC_REG_LVT_MODE_NMI RT_BIT(10)
#define APIC_REG_LVT_MODE_EXTINT (RT_BIT(8) | RT_BIT(9) | RT_BIT(10))
#define APIC_REG_LVT_PIN_POLARIY RT_BIT(13)
#define APIC_REG_LVT_REMOTE_IRR RT_BIT(14)
#define APIC_REG_LVT_LEVEL_TRIGGER RT_BIT(15)
#define APIC_REG_LVT_MASKED RT_BIT(16)
DECLINLINE(uint32_t) ApicRegRead(void *pvBase, uint32_t offReg)
{
return *(const volatile uint32_t *)((uintptr_t)pvBase + offReg);
}
#ifdef ___iprt_asm_amd64_x86_h
/**
* Reads an X2APIC register.
*
* @param offReg MMIO offset, APIC_REG_XXX.
*/
DECLINLINE(uint32_t) ApicX2RegRead32(uint32_t offReg)
{
return ASMRdMsr((offReg >> 4) + MSR_IA32_X2APIC_START);
}
#endif
#endif /* ___VBox_apic_h */