| 1 | /* $Id: APICInternal.h 60632 2016-04-21 15:48:52Z vboxsync $ */
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| 2 | /** @file
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| 3 | * APIC - Advanced Programmable Interrupt Controller.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2016 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef ___APICInternal_h
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| 19 | #define ___APICInternal_h
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| 20 |
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| 21 | #include <VBox/sup.h>
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| 22 | #include <VBox/types.h>
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| 23 | #include <VBox/vmm/apic.h>
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| 24 |
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| 25 | /** @defgroup grp_apic_int Internal
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| 26 | * @ingroup grp_apic
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| 27 | * @internal
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| 28 | * @{
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| 29 | */
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| 30 |
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| 31 | #define VMCPU_TO_XAPICPAGE(a_pVCpu) ((PXAPICPAGE)(CTX_SUFF((a_pVCpu)->apic.s.pvApicPage)))
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| 32 | #define VMCPU_TO_CXAPICPAGE(a_pVCpu) ((PCXAPICPAGE)(CTX_SUFF((a_pVCpu)->apic.s.pvApicPage)))
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| 33 |
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| 34 | #define VMCPU_TO_X2APICPAGE(a_pVCpu) ((PX2APICPAGE)(CTX_SUFF((a_pVCpu)->apic.s.pvApicPage)))
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| 35 | #define VMCPU_TO_CX2APICPAGE(a_pVCpu) ((PCX2APICPAGE)(CTX_SUFF((a_pVCpu)->apic.s.pvApicPage)))
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| 36 |
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| 37 | #define VMCPU_TO_APICCPU(a_pVCpu) (&(a_pVCpu)->apic.s)
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| 38 | #define VM_TO_APIC(a_pVM) (&(a_pVM)->apic.s)
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| 39 | #define VM_TO_APICDEV(a_pVM) CTX_SUFF(VM_TO_APIC(a_pVM)->pApicDev)
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| 40 |
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| 41 | #define APICCPU_TO_XAPICPAGE(a_ApicCpu) ((PXAPICPAGE)(CTX_SUFF((a_ApicCpu)->pvApicPage)))
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| 42 | #define APICCPU_TO_CXAPICPAGE(a_ApicCpu) ((PCXAPICPAGE)(CTX_SUFF((a_ApicCpu)->pvApicPage)))
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| 43 |
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| 44 |
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| 45 | /** Whether the APIC is in X2APIC mode or not. */
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| 46 | #define XAPIC_IN_X2APIC_MODE(a_pVCpu) RT_BOOL((((a_pVCpu)->apic.s.uApicBaseMsr) & (MSR_APICBASE_XAPIC_ENABLE_BIT | MSR_APICBASE_X2APIC_ENABLE_BIT)) \
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| 47 | == (MSR_APICBASE_XAPIC_ENABLE_BIT | MSR_APICBASE_X2APIC_ENABLE_BIT))
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| 48 | /** Get an xAPIC page offset for an x2APIC MSR value. */
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| 49 | #define X2APIC_GET_XAPIC_OFF(a_uMsr) ((((a_uMsr) - MSR_IA32_X2APIC_START) << 4) & UINT32_C(0xff0))
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| 50 | /** Get an x2APIC MSR for an xAPIC page offset. */
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| 51 | #define XAPIC_GET_X2APIC_MSR(a_offReg) ((((a_offReg) & UINT32_C(0xff0)) >> 4) | MSR_IA32_X2APIC_START)
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| 52 |
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| 53 | /** Illegal APIC vector value start. */
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| 54 | #define XAPIC_ILLEGAL_VECTOR_START UINT8_C(0)
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| 55 | /** Illegal APIC vector value end (inclusive). */
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| 56 | #define XAPIC_ILLEGAL_VECTOR_END UINT8_C(15)
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| 57 | /** Reserved APIC vector value start. */
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| 58 | #define XAPIC_RSVD_VECTOR_START UINT8_C(16)
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| 59 | /** Reserved APIC vector value end (inclusive). */
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| 60 | #define XAPIC_RSVD_VECTOR_END UINT8_C(31)
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| 61 |
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| 62 | /** Vector offset in an APIC 256-bit sparse register. */
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| 63 | #define XAPIC_REG256_VECTOR_OFF(a_Vector) (((a_Vector) & UINT32_C(0xe0)) >> 1)
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| 64 | /** Bit position at offset in an APIC 256-bit sparse register. */
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| 65 | #define XAPIC_REG256_VECTOR_BIT(a_Vector) ((a_Vector) & UINT32_C(0x1f))
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| 66 |
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| 67 | /** Maximum number of LVT entries for Pentium 4. */
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| 68 | #define XAPIC_MAX_LVT_ENTRIES_P4 UINT8_C(6)
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| 69 | /** Size of the APIC ID bits for Pentium 4. */
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| 70 | #define XAPIC_APIC_ID_BIT_COUNT_P4 UINT8_C(8)
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| 71 | /** The APIC hardware version number for Pentium 4. */
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| 72 | #define XAPIC_HARDWARE_VERSION_P4 UINT8_C(0x14)
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| 73 |
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| 74 | /** Maximum number of LVT entries for Pentium 6. */
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| 75 | #define XAPIC_MAX_LVT_ENTRIES_P6 UINT8_C(4)
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| 76 | /** Size of the APIC ID bits for Pentium 6. */
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| 77 | #define XAPIC_APIC_ID_BIT_COUNT_P6 UINT8_C(4)
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| 78 | /** The APIC hardware version number for Pentium 6. */
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| 79 | #define XAPIC_HARDWARE_VERSION_P6 UINT8_C(0x10)
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| 80 |
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| 81 | /** Maximum valid offset for a register (16-byte aligned, 4 byte wide access). */
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| 82 | #define XAPIC_OFF_MAX_VALID (sizeof(XAPICPAGE) - 4 * sizeof(uint32_t))
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| 83 |
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| 84 | #if XAPIC_HARDWARE_VERSION == XAPIC_HARDWARE_VERSION_P6
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| 85 | /** ESR - Send checksum error. */
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| 86 | # define XAPIC_ESR_SEND_CHKSUM_ERROR RT_BIT(0)
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| 87 | /** ESR - Send accept error. */
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| 88 | # define XAPIC_ESR_RECV_CHKSUM_ERROR RT_BIT(1)
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| 89 | /** ESR - Send accept error. */
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| 90 | # define XAPIC_ESR_SEND_ACCEPT_ERROR RT_BIT(2)
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| 91 | /** ESR - Receive accept error. */
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| 92 | # define XAPIC_ESR_RECV_ACCEPT_ERROR RT_BIT(3)
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| 93 | #endif
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| 94 | /** ESR - Redirectable IPI. */
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| 95 | #define XAPIC_ESR_REDIRECTABLE_IPI RT_BIT(4)
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| 96 | /** ESR - Send accept error. */
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| 97 | #define XAPIC_ESR_SEND_ILLEGAL_VECTOR RT_BIT(5)
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| 98 | /** ESR - Send accept error. */
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| 99 | #define XAPIC_ESR_RECV_ILLEGAL_VECTOR RT_BIT(6)
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| 100 | /** ESR - Send accept error. */
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| 101 | #define XAPIC_ESR_ILLEGAL_REG_ADDRESS RT_BIT(7)
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| 102 | /** ESR - Valid write-only bits. */
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| 103 | #define XAPIC_ESR_WO UINT32_C(0x0)
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| 104 |
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| 105 | /** TPR - Valid bits. */
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| 106 | #define XAPIC_TPR UINT32_C(0xff)
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| 107 | /** TPR - Task-priority class. */
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| 108 | #define XAPIC_TPR_TP UINT32_C(0xf0)
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| 109 | /** TPR - Task-priority subclass. */
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| 110 | #define XAPIC_TPR_TP_SUBCLASS UINT32_C(0x0f)
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| 111 | /** TPR - Get the task-priority class. */
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| 112 | #define XAPIC_TPR_GET_TP(a_Tpr) ((a_Tpr) & XAPIC_TPR_TP)
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| 113 | /** TPR - Get the task-priority subclass. */
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| 114 | #define XAPIC_TPR_GET_TP_SUBCLASS(a_Tpr) ((a_Tpr) & XAPIC_TPR_TP_SUBCLASS)
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| 115 |
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| 116 | /** PPR - Valid bits. */
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| 117 | #define XAPIC_PPR UINT32_C(0xff)
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| 118 | /** PPR - Processor-priority class. */
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| 119 | #define XAPIC_PPR_PP UINT32_C(0xf0)
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| 120 | /** PPR - Processor-priority subclass. */
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| 121 | #define XAPIC_PPR_PP_SUBCLASS UINT32_C(0x0f)
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| 122 | /** PPR - Get the processor-priority class. */
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| 123 | #define XAPIC_PPR_GET_PP(a_Ppr) ((a_Ppr) & XAPIC_PPR_PP)
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| 124 | /** PPR - Get the processor-priority subclass. */
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| 125 | #define XAPIC_PPR_GET_PP_SUBCLASS(a_Ppr) ((a_Ppr) & XAPIC_PPR_PP_SUBCLASS)
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| 126 |
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| 127 | /** Timer mode - One-shot. */
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| 128 | #define XAPIC_TIMER_MODE_ONESHOT UINT32_C(0)
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| 129 | /** Timer mode - Periodic. */
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| 130 | #define XAPIC_TIMER_MODE_PERIODIC UINT32_C(1)
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| 131 | /** Timer mode - TSC deadline. */
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| 132 | #define XAPIC_TIMER_MODE_TSC_DEADLINE UINT32_C(2)
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| 133 |
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| 134 | /** LVT - The vector. */
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| 135 | #define XAPIC_LVT_VECTOR UINT32_C(0xff)
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| 136 | /** LVT - Gets the vector from an LVT entry. */
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| 137 | #define XAPIC_LVT_GET_VECTOR(a_Lvt) ((a_Lvt) & XAPIC_LVT_VECTOR)
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| 138 | /** LVT - The mask. */
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| 139 | #define XAPIC_LVT_MASK RT_BIT(16)
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| 140 | /** LVT - Is the LVT masked? */
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| 141 | #define XAPIC_LVT_IS_MASKED(a_Lvt) RT_BOOL((a_Lvt) & XAPIC_LVT_MASK)
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| 142 | /** LVT - Timer mode. */
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| 143 | #define XAPIC_LVT_TIMER_MODE RT_BIT(17)
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| 144 | /** LVT - Timer TSC-deadline timer mode. */
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| 145 | #define XAPIC_LVT_TIMER_TSCDEADLINE RT_BIT(18)
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| 146 | /** LVT - Gets the timer mode. */
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| 147 | #define XAPIC_LVT_GET_TIMER_MODE(a_Lvt) (XAPICTIMERMODE)(((a_Lvt) >> 17) & UINT32_C(3))
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| 148 | /** LVT - Delivery mode. */
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| 149 | #define XAPIC_LVT_DELIVERY_MODE (RT_BIT(8) | RT_BIT(9) | RT_BIT(10))
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| 150 | /** LVT - Gets the delivery mode. */
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| 151 | #define XAPIC_LVT_GET_DELIVERY_MODE(a_Lvt) (XAPICDELIVERYMODE)(((a_Lvt) >> 8) & UINT32_C(7))
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| 152 | /** LVT - Delivery status. */
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| 153 | #define XAPIC_LVT_DELIVERY_STATUS RT_BIT(12)
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| 154 | /** LVT - Trigger mode. */
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| 155 | #define XAPIC_LVT_TRIGGER_MODE RT_BIT(15)
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| 156 | /** LVT - Gets the trigger mode. */
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| 157 | #define XAPIC_LVT_GET_TRIGGER_MODE(a_Lvt) (XAPICTRIGGERMODE)(((a_Lvt) >> 15) & UINT32_C(1))
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| 158 | /** LVT - Remote IRR. */
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| 159 | #define XAPIC_LVT_REMOTE_IRR RT_BIT(14)
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| 160 | /** LVT - Interrupt Input Pin Polarity. */
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| 161 | #define XAPIC_LVT_INTR_INPUT_PIN_POLARITY RT_BIT(13)
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| 162 | /** LVT - Valid bits common to all LVTs. */
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| 163 | #define XAPIC_LVT_COMMON (XAPIC_LVT_VECTOR | XAPIC_LVT_DELIVERY_STATUS | XAPIC_LVT_MASK)
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| 164 | /** LVT CMCI - Valid bits. */
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| 165 | #define XAPIC_LVT_CMCI_VALID (XAPIC_LVT_COMMON | XAPIC_LVT_DELIVERY_MODE)
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| 166 | /** LVT Timer - Valid bits. */
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| 167 | #define XAPIC_LVT_TIMER (XAPIC_LVT_COMMON | XAPIC_LVT_TIMER_MODE | XAPIC_LVT_TIMER_TSCDEADLINE)
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| 168 | /** LVT Thermal - Valid bits. */
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| 169 | #define XAPIC_LVT_THERMAL (XAPIC_LVT_COMMON | XAPIC_LVT_DELIVERY_MODE)
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| 170 | /** LVT Perf - Valid bits. */
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| 171 | #define XAPIC_LVT_PERF (XAPIC_LVT_COMMON | XAPIC_LVT_DELIVERY_MODE)
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| 172 | /** LVT LINT0 - Valid bits. */
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| 173 | #define XAPIC_LVT_LINT0 ( XAPIC_LVT_COMMON | XAPIC_LVT_DELIVERY_MODE | XAPIC_LVT_DELIVERY_STATUS \
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| 174 | | XAPIC_LVT_INTR_INPUT_PIN_POLARITY | XAPIC_LVT_REMOTE_IRR)
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| 175 | /** LVT LINT1 - Valid bits. */
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| 176 | #define XAPIC_LVT_LINT1 ( XAPIC_LVT_COMMON | XAPIC_LVT_DELIVERY_MODE | XAPIC_LVT_DELIVERY_STATUS \
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| 177 | | XAPIC_LVT_INTR_INPUT_PIN_POLARITY | XAPIC_LVT_REMOTE_IRR)
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| 178 | /** LVT Error - Valid bits. */
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| 179 | #define XAPIC_LVT_ERROR (XAPIC_LVT_COMMON)
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| 180 |
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| 181 | /** SVR - The vector. */
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| 182 | #define XAPIC_SVR_VECTOR UINT32_C(0xff)
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| 183 | /** SVR - APIC Software enable. */
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| 184 | #define XAPIC_SVR_SOFTWARE_ENABLE RT_BIT(8)
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| 185 | /** SVR - Supress EOI broadcast. */
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| 186 | #define XAPIC_SVR_SUPRESS_EOI_BROADCAST RT_BIT(12)
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| 187 | #if XAPIC_HARDWARE_VERSION == XAPIC_HARDWARE_VERSION_P4
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| 188 | /** SVR - Valid bits. */
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| 189 | # define XAPIC_SVR (XAPIC_SVR_VECTOR | XAPIC_SVR_SOFTWARE_ENABLE)
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| 190 | #else
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| 191 | # error "Implement Pentium and P6 family APIC architectures"
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| 192 | #endif
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| 193 |
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| 194 | /** DFR - Valid bits. */
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| 195 | #define XAPIC_DFR UINT32_C(0xf0000000)
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| 196 | /** DFR - Reserved bits that must always remain set. */
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| 197 | #define XAPIC_DFR_RSVD_MB1 UINT32_C(0x0fffffff)
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| 198 | /** DFR - The model. */
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| 199 | #define XAPIC_DFR_MODEL UINT32_C(0xf)
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| 200 | /** DFR - Gets the destination model. */
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| 201 | #define XAPIC_DFR_GET_MODEL(a_uReg) (((a_uReg) >> 28) & XAPIC_DFR_MODEL)
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| 202 |
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| 203 | /** LDR - Valid bits. */
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| 204 | #define XAPIC_LDR UINT32_C(0xff000000)
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| 205 | /** LDR - Cluster ID mask (x2APIC). */
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| 206 | #define X2APIC_LDR_CLUSTER_ID UINT32_C(0xffff0000)
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| 207 | /** LDR - Mask of the LDR cluster ID (x2APIC). */
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| 208 | #define X2APIC_LDR_GET_CLUSTER_ID(a_uReg) ((a_uReg) & X2APIC_LDR_CLUSTER_ID)
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| 209 | /** LDR - Mask of the LDR logical ID (x2APIC). */
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| 210 | #define X2APIC_LDR_LOGICAL_ID UINT32_C(0x0000ffff)
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| 211 |
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| 212 | /** LDR - Flat mode logical ID mask. */
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| 213 | #define XAPIC_LDR_FLAT_LOGICAL_ID UINT32_C(0xff)
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| 214 | /** LDR - Clustered mode cluster ID mask. */
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| 215 | #define XAPIC_LDR_CLUSTERED_CLUSTER_ID UINT32_C(0xf0)
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| 216 | /** LDR - Clustered mode logical ID mask. */
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| 217 | #define XAPIC_LDR_CLUSTERED_LOGICAL_ID UINT32_C(0x0f)
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| 218 | /** LDR - Gets the clustered mode cluster ID. */
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| 219 | #define XAPIC_LDR_CLUSTERED_GET_CLUSTER_ID(a_uReg) ((a_uReg) & XAPIC_LDR_CLUSTERED_CLUSTER_ID)
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| 220 |
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| 221 |
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| 222 | /** EOI - Valid write-only bits. */
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| 223 | #define XAPIC_EOI_WO UINT32_C(0x0)
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| 224 | /** Timer ICR - Valid bits. */
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| 225 | #define XAPIC_TIMER_ICR UINT32_C(0xffffffff)
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| 226 | /** Timer DCR - Valid bits. */
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| 227 | #define XAPIC_TIMER_DCR (RT_BIT(0) | RT_BIT(1) | RT_BIT(3))
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| 228 |
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| 229 | /** Self IPI - Valid bits. */
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| 230 | #define XAPIC_SELF_IPI UINT32_C(0xff)
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| 231 | /** Self IPI - The vector. */
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| 232 | #define XAPIC_SELF_IPI_VECTOR UINT32_C(0xff)
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| 233 | /** Self IPI - Gets the vector. */
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| 234 | #define XAPIC_SELF_IPI_GET_VECTOR(a_uReg) ((a_uReg) & XAPIC_SELF_IPI_VECTOR)
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| 235 |
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| 236 | /** ICR Low - The Vector. */
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| 237 | #define XAPIC_ICR_LO_VECTOR UINT32_C(0xff)
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| 238 | /** ICR Low - Gets the vector. */
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| 239 | #define XAPIC_ICR_LO_GET_VECTOR(a_uIcr) ((a_uIcr) & XAPIC_ICR_LO_VECTOR)
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| 240 | /** ICR Low - The delivery mode. */
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| 241 | #define XAPIC_ICR_LO_DELIVERY_MODE (RT_BIT(8) | RT_BIT(9) | RT_BIT(10))
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| 242 | /** ICR Low - The destination mode. */
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| 243 | #define XAPIC_ICR_LO_DEST_MODE RT_BIT(11)
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| 244 | /** ICR Low - The delivery status. */
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| 245 | #define XAPIC_ICR_LO_DELIVERY_STATUS RT_BIT(12)
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| 246 | /** ICR Low - The level. */
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| 247 | #define XAPIC_ICR_LO_LEVEL RT_BIT(14)
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| 248 | /** ICR Low - The trigger mode. */
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| 249 | #define XAPIC_ICR_TRIGGER_MODE RT_BIT(15)
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| 250 | /** ICR Low - The destination shorthand. */
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| 251 | #define XAPIC_ICR_LO_DEST_SHORTHAND (RT_BIT(18) | RT_BIT(19))
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| 252 | /** ICR Low - Valid write bits. */
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| 253 | #define XAPIC_ICR_LO_WR ( XAPIC_ICR_LO_VECTOR | XAPIC_ICR_LO_DELIVERY_MODE | XAPIC_ICR_LO_DEST_MODE \
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| 254 | | XAPIC_ICR_LO_LEVEL | XAPIC_ICR_TRIGGER_MODE | XAPIC_ICR_LO_DEST_SHORTHAND)
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| 255 |
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| 256 | /** ICR High - The destination field. */
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| 257 | #define XAPIC_ICR_HI_DEST UINT32_C(0xff000000)
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| 258 | /** ICR High - Get the destination field. */
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| 259 | #define XAPIC_ICR_HI_GET_DEST(a_u32IcrHi) (((a_u32IcrHi) >> 24) & XAPIC_ICR_HI_DEST)
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| 260 | /** ICR High - Valid write bits in xAPIC mode. */
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| 261 | #define XAPIC_ICR_HI_WR XAPIC_ICR_HI_DEST
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| 262 |
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| 263 | /** APIC ID broadcast mask - x2APIC mode. */
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| 264 | #define X2APIC_ID_BROADCAST_MASK UINT32_C(0xffffffff)
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| 265 | #if XAPIC_HARDWARE_VERSION == XAPIC_HARDWARE_VERSION_P4
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| 266 | /** APIC ID broadcast mask - xAPIC mode. */
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| 267 | # define XAPIC_ID_BROADCAST_MASK UINT32_C(0xff)
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| 268 | #else
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| 269 | # error "Implement Pentium and P6 family APIC architectures"
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| 270 | #endif
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| 271 |
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| 272 | /**
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| 273 | * APIC MSR access error.
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| 274 | * @note The values must match the array indices in apicMsrAccessError().
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| 275 | */
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| 276 | typedef enum APICMSRACCESS
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| 277 | {
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| 278 | /* MSR read while not in x2APIC. */
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| 279 | APICMSRACCESS_INVALID_READ_MODE = 0,
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| 280 | /* MSR write while not in x2APIC. */
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| 281 | APICMSRACCESS_INVALID_WRITE_MODE,
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| 282 | /* MSR read for a reserved/unknown/invalid MSR. */
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| 283 | APICMSRACCESS_READ_RSVD_OR_UNKNOWN,
|
|---|
| 284 | /* MSR write for a reserved/unknown/invalid MSR. */
|
|---|
| 285 | APICMSRACCESS_WRITE_RSVD_OR_UNKNOWN,
|
|---|
| 286 | /* MSR read for a write-only MSR. */
|
|---|
| 287 | APICMSRACCESS_READ_WRITE_ONLY,
|
|---|
| 288 | /* MSR write for a read-only MSR. */
|
|---|
| 289 | APICMSRACCESS_WRITE_READ_ONLY,
|
|---|
| 290 | /* MSR read to reserved bits. */
|
|---|
| 291 | APICMSRACCESS_READ_RSVD_BITS,
|
|---|
| 292 | /* MSR write to reserved bits. */
|
|---|
| 293 | APICMSRACCESS_WRITE_RSVD_BITS,
|
|---|
| 294 | /* MSR write with invalid value. */
|
|---|
| 295 | APICMSRACCESS_WRITE_INVALID,
|
|---|
| 296 | /* Count of enum members (don't use). */
|
|---|
| 297 | APICMSRACCESS_COUNT
|
|---|
| 298 | } APICMSRACCESS;
|
|---|
| 299 |
|
|---|
| 300 | /** @name xAPIC Destination Format Register bits.
|
|---|
| 301 | * See Intel spec. 10.6.2.2 "Logical Destination Mode".
|
|---|
| 302 | * @{ */
|
|---|
| 303 | typedef enum XAPICDESTFORMAT
|
|---|
| 304 | {
|
|---|
| 305 | XAPICDESTFORMAT_FLAT = 0xf,
|
|---|
| 306 | XAPICDESTFORMAT_CLUSTER = 0
|
|---|
| 307 | } XAPICDESTFORMAT;
|
|---|
| 308 | /** @} */
|
|---|
| 309 |
|
|---|
| 310 | /** @name xAPIC Timer Mode bits.
|
|---|
| 311 | * See Intel spec. 10.5.1 "Local Vector Table".
|
|---|
| 312 | * @{ */
|
|---|
| 313 | typedef enum XAPICTIMERMODE
|
|---|
| 314 | {
|
|---|
| 315 | XAPICTIMERMODE_ONESHOT = XAPIC_TIMER_MODE_ONESHOT,
|
|---|
| 316 | XAPICTIMERMODE_PERIODIC = XAPIC_TIMER_MODE_PERIODIC,
|
|---|
| 317 | XAPICTIMERMODE_TSC_DEADLINE = XAPIC_TIMER_MODE_TSC_DEADLINE
|
|---|
| 318 | } XAPICTIMERMODE;
|
|---|
| 319 | /** @} */
|
|---|
| 320 |
|
|---|
| 321 | /** @name xAPIC Interrupt Command Register bits.
|
|---|
| 322 | * See Intel spec. 10.6.1 "Interrupt Command Register (ICR)".
|
|---|
| 323 | * See Intel spec. 10.5.1 "Local Vector Table".
|
|---|
| 324 | * @{ */
|
|---|
| 325 | /**
|
|---|
| 326 | * xAPIC trigger mode.
|
|---|
| 327 | */
|
|---|
| 328 | typedef enum XAPICTRIGGERMODE
|
|---|
| 329 | {
|
|---|
| 330 | XAPICTRIGGERMODE_EDGE = 0,
|
|---|
| 331 | XAPICTRIGGERMODE_LEVEL
|
|---|
| 332 | } XAPICTRIGGERMODE;
|
|---|
| 333 |
|
|---|
| 334 | /**
|
|---|
| 335 | * xAPIC destination shorthand.
|
|---|
| 336 | */
|
|---|
| 337 | typedef enum XAPICDESTSHORTHAND
|
|---|
| 338 | {
|
|---|
| 339 | XAPICDESTSHORTHAND_NONE = 0,
|
|---|
| 340 | XAPICDESTSHORTHAND_SELF,
|
|---|
| 341 | XAPIDDESTSHORTHAND_ALL_INCL_SELF,
|
|---|
| 342 | XAPICDESTSHORTHAND_ALL_EXCL_SELF
|
|---|
| 343 | } XAPICDESTSHORTHAND;
|
|---|
| 344 |
|
|---|
| 345 | /**
|
|---|
| 346 | * xAPIC INIT level de-assert delivery mode.
|
|---|
| 347 | */
|
|---|
| 348 | typedef enum XAPICINITLEVEL
|
|---|
| 349 | {
|
|---|
| 350 | XAPICINITLEVEL_DEASSERT = 0,
|
|---|
| 351 | XAPICINITLEVEL_ASSERT
|
|---|
| 352 | } XAPICLEVEL;
|
|---|
| 353 |
|
|---|
| 354 | /**
|
|---|
| 355 | * xAPIC destination mode.
|
|---|
| 356 | */
|
|---|
| 357 | typedef enum XAPICDESTMODE
|
|---|
| 358 | {
|
|---|
| 359 | XAPICDESTMODE_PHYSICAL = 0,
|
|---|
| 360 | XAPICDESTMODE_LOGICAL
|
|---|
| 361 | } XAPICDESTMODE;
|
|---|
| 362 |
|
|---|
| 363 | /**
|
|---|
| 364 | * xAPIC delivery mode type.
|
|---|
| 365 | */
|
|---|
| 366 | typedef enum XAPICDELIVERYMODE
|
|---|
| 367 | {
|
|---|
| 368 | XAPICDELIVERYMODE_FIXED = 0,
|
|---|
| 369 | XAPICDELIVERYMODE_LOWEST_PRIO = 1,
|
|---|
| 370 | XAPICDELIVERYMODE_SMI = 2,
|
|---|
| 371 | XAPICDELIVERYMODE_NMI = 4,
|
|---|
| 372 | XAPICDELIVERYMODE_INIT = 5,
|
|---|
| 373 | XAPICDELIVERYMODE_INIT_LEVEL_DEASSERT = 5, /* Yes, also 5. */
|
|---|
| 374 | XAPICDELIVERYMODE_STARTUP = 6,
|
|---|
| 375 | XAPICDELIVERYMODE_EXTINT = 7
|
|---|
| 376 | } XAPICDELIVERYMODE;
|
|---|
| 377 | /** @} */
|
|---|
| 378 |
|
|---|
| 379 | /**
|
|---|
| 380 | * APIC operating modes.
|
|---|
| 381 | *
|
|---|
| 382 | * The values match hardware states.
|
|---|
| 383 | * See Intel spec. 10.12.1 "Detecting and Enabling x2APIC Mode".
|
|---|
| 384 | */
|
|---|
| 385 | typedef enum APICMODE
|
|---|
| 386 | {
|
|---|
| 387 | APICMODE_DISABLED = 0,
|
|---|
| 388 | APICMODE_INVALID,
|
|---|
| 389 | APICMODE_XAPIC,
|
|---|
| 390 | APICMODE_X2APIC
|
|---|
| 391 | } APICMODE;
|
|---|
| 392 |
|
|---|
| 393 | /**
|
|---|
| 394 | * APIC PDM instance data (per-VM).
|
|---|
| 395 | */
|
|---|
| 396 | typedef struct APICDEV
|
|---|
| 397 | {
|
|---|
| 398 | /** The device instance - R3 Ptr. */
|
|---|
| 399 | PPDMDEVINSR3 pDevInsR3;
|
|---|
| 400 | /** The APIC helpers - R3 Ptr. */
|
|---|
| 401 | PCPDMAPICHLPR3 pApicHlpR3;
|
|---|
| 402 | /** The PDM critical section - R3 Ptr. */
|
|---|
| 403 | R3PTRTYPE(PPDMCRITSECT) pCritSectR3;
|
|---|
| 404 |
|
|---|
| 405 | /** The device instance - R0 Ptr. */
|
|---|
| 406 | PPDMDEVINSR0 pDevInsR0;
|
|---|
| 407 | /** The APIC helpers - R0 Ptr. */
|
|---|
| 408 | PCPDMAPICHLPR0 pApicHlpR0;
|
|---|
| 409 | /** The PDM critical section - R0 Ptr. */
|
|---|
| 410 | R0PTRTYPE(PPDMCRITSECT) pCritSectR0;
|
|---|
| 411 |
|
|---|
| 412 | /** The device instance - RC Ptr. */
|
|---|
| 413 | PPDMDEVINSRC pDevInsRC;
|
|---|
| 414 | /** The APIC helpers - RC Ptr. */
|
|---|
| 415 | PCPDMAPICHLPRC pApicHlpRC;
|
|---|
| 416 | /** The PDM critical section - RC Ptr. */
|
|---|
| 417 | RCPTRTYPE(PPDMCRITSECT) pCritSectRC;
|
|---|
| 418 | /** Alignment padding. */
|
|---|
| 419 | RCPTRTYPE(void *) pvAlignment0;
|
|---|
| 420 | } APICDEV;
|
|---|
| 421 | /** Pointer to an APIC device. */
|
|---|
| 422 | typedef APICDEV *PAPICDEV;
|
|---|
| 423 | /** Pointer to a const APIC device. */
|
|---|
| 424 | typedef APICDEV const *PCAPICDEV;
|
|---|
| 425 |
|
|---|
| 426 | /**
|
|---|
| 427 | * APIC VM Instance data.
|
|---|
| 428 | */
|
|---|
| 429 | typedef struct APIC
|
|---|
| 430 | {
|
|---|
| 431 | /** @name The APIC PDM device instance.
|
|---|
| 432 | * @{ */
|
|---|
| 433 | /** The APIC device - R0 ptr. */
|
|---|
| 434 | R0PTRTYPE(PAPICDEV) pApicDevR0;
|
|---|
| 435 | /** The APIC device - R3 ptr. */
|
|---|
| 436 | R3PTRTYPE(PAPICDEV) pApicDevR3;
|
|---|
| 437 | /** The APIC device - RC ptr. */
|
|---|
| 438 | RCPTRTYPE(PAPICDEV) pApicDevRC;
|
|---|
| 439 | /** Alignment padding. */
|
|---|
| 440 | RTRCPTR RCPtrAlignment0;
|
|---|
| 441 | /** @} */
|
|---|
| 442 |
|
|---|
| 443 | /** @name The APIC pending-interrupt bitmap (PIB).
|
|---|
| 444 | * @{ */
|
|---|
| 445 | /** The host-context physical address of the PIB. */
|
|---|
| 446 | RTHCPHYS HCPhysApicPib;
|
|---|
| 447 | /** The ring-0 memory object of the PIB. */
|
|---|
| 448 | RTR0MEMOBJ hMemObjApicPibR0;
|
|---|
| 449 | /** The ring-3 mapping of the memory object of the PIB. */
|
|---|
| 450 | RTR0MEMOBJ hMapObjApicPibR0;
|
|---|
| 451 | /** The APIC PIB virtual address - R0 ptr. */
|
|---|
| 452 | R0PTRTYPE(volatile void *) pvApicPibR0;
|
|---|
| 453 | /** The APIC PIB virtual address - R3 ptr. */
|
|---|
| 454 | R3PTRTYPE(volatile void *) pvApicPibR3;
|
|---|
| 455 | /** The APIC PIB virtual address - RC ptr. */
|
|---|
| 456 | RCPTRTYPE(volatile void *) pvApicPibRC;
|
|---|
| 457 | /** Alignment padding. */
|
|---|
| 458 | RTRCPTR RCPtrAlignment1;
|
|---|
| 459 | /** The size of the page in bytes. */
|
|---|
| 460 | uint32_t cbApicPib;
|
|---|
| 461 | /** Alignment padding. */
|
|---|
| 462 | uint32_t u32Aligment0;
|
|---|
| 463 | /** @} */
|
|---|
| 464 |
|
|---|
| 465 | /** @name Other miscellaneous data.
|
|---|
| 466 | * @{ */
|
|---|
| 467 | /** Whether full APIC register virtualization is enabled. */
|
|---|
| 468 | bool fVirtApicRegsEnabled;
|
|---|
| 469 | /** Whether posted-interrupt processing is enabled. */
|
|---|
| 470 | bool fPostedIntrsEnabled;
|
|---|
| 471 | /** Whether TSC-deadline timer mode is supported for the guest. */
|
|---|
| 472 | bool fSupportsTscDeadline;
|
|---|
| 473 | /** Whether this VM has an IO-APIC. */
|
|---|
| 474 | bool fIoApicPresent;
|
|---|
| 475 | /** Whether RZ is enabled or not (applies to MSR handling as well). */
|
|---|
| 476 | bool fRZEnabled;
|
|---|
| 477 | /** Alignment padding. */
|
|---|
| 478 | bool afAlignment0[7];
|
|---|
| 479 | /** The original APIC mode from CFGM. */
|
|---|
| 480 | APICMODE enmOriginalMode;
|
|---|
| 481 | /** @} */
|
|---|
| 482 | } APIC;
|
|---|
| 483 | /** Pointer to APIC VM instance data. */
|
|---|
| 484 | typedef APIC *PAPIC;
|
|---|
| 485 | /** Pointer to const APIC VM instance data. */
|
|---|
| 486 | typedef APIC const *PCAPIC;
|
|---|
| 487 |
|
|---|
| 488 | /**
|
|---|
| 489 | * APIC VMCPU Instance data.
|
|---|
| 490 | */
|
|---|
| 491 | typedef struct APICCPU
|
|---|
| 492 | {
|
|---|
| 493 | /** @name The APIC page.
|
|---|
| 494 | * @{ */
|
|---|
| 495 | /** The host-context physical address of the page. */
|
|---|
| 496 | RTHCPHYS HCPhysApicPage;
|
|---|
| 497 | /** The ring-0 memory object of the page. */
|
|---|
| 498 | RTR0MEMOBJ hMemObjApicPageR0;
|
|---|
| 499 | /** The ring-3 mapping of the memory object of the page. */
|
|---|
| 500 | RTR0MEMOBJ hMapObjApicPageR0;
|
|---|
| 501 | /** The APIC page virtual address - R0 ptr. */
|
|---|
| 502 | R0PTRTYPE(volatile void *) pvApicPageR0;
|
|---|
| 503 | /** The APIC page virtual address - R3 ptr. */
|
|---|
| 504 | R3PTRTYPE(volatile void *) pvApicPageR3;
|
|---|
| 505 | /** The APIC page virtual address - RC ptr. */
|
|---|
| 506 | RCPTRTYPE(volatile void *) pvApicPageRC;
|
|---|
| 507 | /** Alignment padding. */
|
|---|
| 508 | RTRCPTR RCPtrAlignment0;
|
|---|
| 509 | /** The size of the page in bytes. */
|
|---|
| 510 | uint32_t cbApicPage;
|
|---|
| 511 | /** @} */
|
|---|
| 512 |
|
|---|
| 513 | /** @name Auxiliary state.
|
|---|
| 514 | * @{ */
|
|---|
| 515 | /** The error status register's internal state. */
|
|---|
| 516 | uint32_t uEsrInternal;
|
|---|
| 517 | /** The APIC base MSR.*/
|
|---|
| 518 | uint64_t volatile uApicBaseMsr;
|
|---|
| 519 | /** @} */
|
|---|
| 520 |
|
|---|
| 521 | /** @name The pending-interrupt bitmaps (PIB).
|
|---|
| 522 | * @{ */
|
|---|
| 523 | /** The host-context physical address of the page. */
|
|---|
| 524 | RTHCPHYS HCPhysApicPib;
|
|---|
| 525 | /** The APIC PIB virtual address - R0 ptr. */
|
|---|
| 526 | R0PTRTYPE(volatile void *) pvApicPibR0;
|
|---|
| 527 | /** The APIC PIB virtual address - R3 ptr. */
|
|---|
| 528 | R3PTRTYPE(volatile void *) pvApicPibR3;
|
|---|
| 529 | /** The APIC PIB virtual address - RC ptr. */
|
|---|
| 530 | RCPTRTYPE(volatile void *) pvApicPibRC;
|
|---|
| 531 | /** Alignment padding. */
|
|---|
| 532 | RTRCPTR RCPtrAlignment1;
|
|---|
| 533 | /** The APIC PIB for level-sensitive interrupts. */
|
|---|
| 534 | volatile APICPIB ApicPibLevel;
|
|---|
| 535 | /** @} */
|
|---|
| 536 |
|
|---|
| 537 | /** @name The APIC timer.
|
|---|
| 538 | * @{ */
|
|---|
| 539 | /** The timer - R0 ptr. */
|
|---|
| 540 | PTMTIMERR0 pTimerR0;
|
|---|
| 541 | /** The timer - R3 ptr. */
|
|---|
| 542 | PTMTIMERR3 pTimerR3;
|
|---|
| 543 | /** The timer - RC ptr. */
|
|---|
| 544 | PTMTIMERRC pTimerRC;
|
|---|
| 545 | /** Alignment padding. */
|
|---|
| 546 | RTRCPTR RCPtrAlignment2;
|
|---|
| 547 | /** The timer critical sect protecting @a u64TimerInitial */
|
|---|
| 548 | PDMCRITSECT TimerCritSect;
|
|---|
| 549 | /** The time stamp when the timer was initialized. */
|
|---|
| 550 | uint64_t u64TimerInitial;
|
|---|
| 551 | /** Cache of timer initial count of the frequency hint to TM. */
|
|---|
| 552 | uint32_t uHintedTimerInitialCount;
|
|---|
| 553 | /** Cache of timer shift of the frequency hint to TM. */
|
|---|
| 554 | uint32_t uHintedTimerShift;
|
|---|
| 555 | /** The timer description. */
|
|---|
| 556 | char szTimerDesc[32];
|
|---|
| 557 | /** @} */
|
|---|
| 558 |
|
|---|
| 559 | #ifdef VBOX_WITH_STATISTICS
|
|---|
| 560 | /** @name APIC statistics.
|
|---|
| 561 | * @{ */
|
|---|
| 562 | /** Number of MMIO reads in R0. */
|
|---|
| 563 | STAMCOUNTER StatMmioReadR0;
|
|---|
| 564 | /** Number of MMIO reads in R3. */
|
|---|
| 565 | STAMCOUNTER StatMmioReadR3;
|
|---|
| 566 | /** Number of MMIO reads in RC. */
|
|---|
| 567 | STAMCOUNTER StatMmioReadRC;
|
|---|
| 568 |
|
|---|
| 569 | /** Number of MMIO writes in R0. */
|
|---|
| 570 | STAMCOUNTER StatMmioWriteR0;
|
|---|
| 571 | /** Number of MMIO writes in R3. */
|
|---|
| 572 | STAMCOUNTER StatMmioWriteR3;
|
|---|
| 573 | /** Number of MMIO writes in RC. */
|
|---|
| 574 | STAMCOUNTER StatMmioWriteRC;
|
|---|
| 575 |
|
|---|
| 576 | /** Number of MSR reads in R0. */
|
|---|
| 577 | STAMCOUNTER StatMsrReadR0;
|
|---|
| 578 | /** Number of MSR reads in R3. */
|
|---|
| 579 | STAMCOUNTER StatMsrReadR3;
|
|---|
| 580 | /** Number of MSR reads in RC. */
|
|---|
| 581 | STAMCOUNTER StatMsrReadRC;
|
|---|
| 582 |
|
|---|
| 583 | /** Number of MSR writes in R0. */
|
|---|
| 584 | STAMCOUNTER StatMsrWriteR0;
|
|---|
| 585 | /** Number of MSR writes in R3. */
|
|---|
| 586 | STAMCOUNTER StatMsrWriteR3;
|
|---|
| 587 | /** Number of MSR writes in RC. */
|
|---|
| 588 | STAMCOUNTER StatMsrWriteRC;
|
|---|
| 589 |
|
|---|
| 590 | /** Profiling of APICUpdatePendingInterrupts(). */
|
|---|
| 591 | STAMPROFILE StatUpdatePendingIntrs;
|
|---|
| 592 | /** Profiling of APICPostInterrupt(). */
|
|---|
| 593 | STAMPROFILE StatPostIntr;
|
|---|
| 594 | /** Number of times an interrupt is already pending in
|
|---|
| 595 | * APICPostInterrupts().*/
|
|---|
| 596 | STAMCOUNTER StatPostIntrAlreadyPending;
|
|---|
| 597 | /** Number of times the timer callback is invoked. */
|
|---|
| 598 | STAMCOUNTER StatTimerCallback;
|
|---|
| 599 | /** @} */
|
|---|
| 600 | #endif
|
|---|
| 601 | } APICCPU;
|
|---|
| 602 | /** Pointer to APIC VMCPU instance data. */
|
|---|
| 603 | typedef APICCPU *PAPICCPU;
|
|---|
| 604 | /** Pointer to a const APIC VMCPU instance data. */
|
|---|
| 605 | typedef APICCPU const *PCAPICCPU;
|
|---|
| 606 | AssertCompileMemberAlignment(APICCPU, uApicBaseMsr, 8);
|
|---|
| 607 |
|
|---|
| 608 | /**
|
|---|
| 609 | * Gets the timer shift value.
|
|---|
| 610 | *
|
|---|
| 611 | * @returns The timer shift value.
|
|---|
| 612 | * @param pXApicPage The xAPIC page.
|
|---|
| 613 | */
|
|---|
| 614 | DECLINLINE(uint8_t) apicGetTimerShift(PCXAPICPAGE pXApicPage)
|
|---|
| 615 | {
|
|---|
| 616 | /* See Intel spec. 10.5.4 "APIC Timer". */
|
|---|
| 617 | uint32_t uShift = pXApicPage->timer_dcr.u.u2DivideValue0 | (pXApicPage->timer_dcr.u.u1DivideValue1 << 2);
|
|---|
| 618 | return (uShift + 1) & 7;
|
|---|
| 619 | }
|
|---|
| 620 |
|
|---|
| 621 | RT_C_DECLS_BEGIN
|
|---|
| 622 |
|
|---|
| 623 | const char *apicGetModeName(APICMODE enmMode);
|
|---|
| 624 | const char *apicGetDestFormatName(XAPICDESTFORMAT enmDestFormat);
|
|---|
| 625 | const char *apicGetDeliveryModeName(XAPICDELIVERYMODE enmDeliveryMode);
|
|---|
| 626 | const char *apicGetDestModeName(XAPICDESTMODE enmDestMode);
|
|---|
| 627 | const char *apicGetTriggerModeName(XAPICTRIGGERMODE enmTriggerMode);
|
|---|
| 628 | const char *apicGetDestShorthandName(XAPICDESTSHORTHAND enmDestShorthand);
|
|---|
| 629 | const char *apicGetTimerModeName(XAPICTIMERMODE enmTimerMode);
|
|---|
| 630 | void apicHintTimerFreq(PAPICCPU pApicCpu, uint32_t uInitialCount, uint8_t uTimerShift);
|
|---|
| 631 |
|
|---|
| 632 | VMMDECL(uint64_t) APICGetBaseMsr(PPDMDEVINS pDevIns, PVMCPU pVCpu);
|
|---|
| 633 | VMMDECL(VBOXSTRICTRC) APICSetBaseMsr(PPDMDEVINS pDevIns, PVMCPU pVCpu, uint64_t uBase);
|
|---|
| 634 | VMMDECL(uint8_t) APICGetTpr(PPDMDEVINS pDevIns, PVMCPU pVCpu);
|
|---|
| 635 | VMMDECL(void) APICSetTpr(PPDMDEVINS pDevIns, PVMCPU pVCpu, uint8_t u8Tpr);
|
|---|
| 636 | VMMDECL(uint64_t) APICGetTimerFreq(PPDMDEVINS pDevIns);
|
|---|
| 637 | VMMDECL(int) APICReadMmio(PPDMDEVINS pDevIns, void *pvUser, RTGCPHYS GCPhysAddr, void *pv, unsigned cb);
|
|---|
| 638 | VMMDECL(int) APICWriteMmio(PPDMDEVINS pDevIns, void *pvUser, RTGCPHYS GCPhysAddr, void const *pv, unsigned cb);
|
|---|
| 639 | VMMDECL(VBOXSTRICTRC) APICReadMsr(PPDMDEVINS pDevIns, PVMCPU pVCpu, uint32_t u32Reg, uint64_t *pu64Val);
|
|---|
| 640 | VMMDECL(VBOXSTRICTRC) APICWriteMsr(PPDMDEVINS pDevIns, PVMCPU pVCpu, uint32_t u32Reg, uint64_t u64Val);
|
|---|
| 641 | VMMDECL(bool) APICHasPendingIrq(PPDMDEVINS pDevIns, PVMCPU pVCpu, uint8_t *pu8PendingIrq);
|
|---|
| 642 | VMMDECL(int) APICGetInterrupt(PPDMDEVINS pDevIns, PVMCPU pVCpu, uint32_t *puTagSrc);
|
|---|
| 643 | VMMDECL(void) APICSetInterruptFF(PVMCPU pVCpu, PDMAPICIRQ enmType);
|
|---|
| 644 | VMMDECL(void) APICClearInterruptFF(PVMCPU pVCpu, PDMAPICIRQ enmType);
|
|---|
| 645 | VMMDECL(VBOXSTRICTRC) APICLocalInterrupt(PPDMDEVINS pDevIns, PVMCPU pVCpu, uint8_t u8Pin, uint8_t u8Level, int rcRZ);
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| 646 | VMMDECL(int) APICBusDeliver(PPDMDEVINS pDevIns, uint8_t uDest, uint8_t uDestMode, uint8_t uDeliveryMode,
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| 647 | uint8_t uVector, uint8_t uPolarity, uint8_t uTriggerMode, uint32_t uTagSrc);
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| 648 |
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| 649 | VMM_INT_DECL(void) APICPostInterrupt(PVMCPU pVCpu, uint8_t uVector, XAPICTRIGGERMODE enmTriggerMode);
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| 650 | VMM_INT_DECL(void) APICStartTimer(PAPICCPU pApicCpu, uint32_t uInitialCount);
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| 651 | VMM_INT_DECL(void) APICStopTimer(PAPICCPU pApicCpu);
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| 652 | VMM_INT_DECL(void) APICUpdateCpuIdForMode(PVM pVM, APICMODE enmMode);
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| 653 |
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| 654 | RT_C_DECLS_END
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| 655 |
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| 656 | /** @} */
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| 657 |
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| 658 | #endif
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| 659 |
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