1 | /* $Id: APIC.cpp 85965 2020-08-31 23:47:31Z 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) 2016-2020 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 |
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19 | /*********************************************************************************************************************************
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20 | * Header Files *
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21 | *********************************************************************************************************************************/
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22 | #define LOG_GROUP LOG_GROUP_DEV_APIC
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23 | #include <VBox/log.h>
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24 | #include "APICInternal.h"
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25 | #include <VBox/vmm/apic.h>
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26 | #include <VBox/vmm/cpum.h>
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27 | #include <VBox/vmm/hm.h>
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28 | #include <VBox/vmm/mm.h>
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29 | #include <VBox/vmm/pdmdev.h>
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30 | #include <VBox/vmm/ssm.h>
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31 | #include <VBox/vmm/vm.h>
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32 |
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33 |
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34 | #ifndef VBOX_DEVICE_STRUCT_TESTCASE
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35 |
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36 |
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37 | /*********************************************************************************************************************************
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38 | * Defined Constants And Macros *
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39 | *********************************************************************************************************************************/
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40 | /** The current APIC saved state version. */
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41 | #define APIC_SAVED_STATE_VERSION 5
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42 | /** VirtualBox 5.1 beta2 - pre fActiveLintX. */
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43 | #define APIC_SAVED_STATE_VERSION_VBOX_51_BETA2 4
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44 | /** The saved state version used by VirtualBox 5.0 and
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45 | * earlier. */
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46 | #define APIC_SAVED_STATE_VERSION_VBOX_50 3
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47 | /** The saved state version used by VirtualBox v3 and earlier.
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48 | * This does not include the config. */
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49 | #define APIC_SAVED_STATE_VERSION_VBOX_30 2
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50 | /** Some ancient version... */
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51 | #define APIC_SAVED_STATE_VERSION_ANCIENT 1
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52 |
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53 | #ifdef VBOX_WITH_STATISTICS
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54 | # define X2APIC_MSRRANGE(a_uFirst, a_uLast, a_szName) \
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55 | { (a_uFirst), (a_uLast), kCpumMsrRdFn_Ia32X2ApicN, kCpumMsrWrFn_Ia32X2ApicN, 0, 0, 0, 0, 0, a_szName, { 0 }, { 0 }, { 0 }, { 0 } }
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56 | # define X2APIC_MSRRANGE_INVALID(a_uFirst, a_uLast, a_szName) \
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57 | { (a_uFirst), (a_uLast), kCpumMsrRdFn_WriteOnly, kCpumMsrWrFn_ReadOnly, 0, 0, 0, 0, UINT64_MAX /*fWrGpMask*/, a_szName, { 0 }, { 0 }, { 0 }, { 0 } }
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58 | #else
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59 | # define X2APIC_MSRRANGE(a_uFirst, a_uLast, a_szName) \
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60 | { (a_uFirst), (a_uLast), kCpumMsrRdFn_Ia32X2ApicN, kCpumMsrWrFn_Ia32X2ApicN, 0, 0, 0, 0, 0, a_szName }
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61 | # define X2APIC_MSRRANGE_INVALID(a_uFirst, a_uLast, a_szName) \
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62 | { (a_uFirst), (a_uLast), kCpumMsrRdFn_WriteOnly, kCpumMsrWrFn_ReadOnly, 0, 0, 0, 0, UINT64_MAX /*fWrGpMask*/, a_szName }
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63 | #endif
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64 |
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65 |
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66 | /*********************************************************************************************************************************
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67 | * Global Variables *
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68 | *********************************************************************************************************************************/
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69 | /**
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70 | * MSR range supported by the x2APIC.
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71 | * See Intel spec. 10.12.2 "x2APIC Register Availability".
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72 | */
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73 | static CPUMMSRRANGE const g_MsrRange_x2Apic = X2APIC_MSRRANGE(MSR_IA32_X2APIC_START, MSR_IA32_X2APIC_END, "x2APIC range");
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74 | static CPUMMSRRANGE const g_MsrRange_x2Apic_Invalid = X2APIC_MSRRANGE_INVALID(MSR_IA32_X2APIC_START, MSR_IA32_X2APIC_END, "x2APIC range invalid");
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75 | #undef X2APIC_MSRRANGE
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76 | #undef X2APIC_MSRRANGE_GP
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77 |
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78 | /** Saved state field descriptors for XAPICPAGE. */
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79 | static const SSMFIELD g_aXApicPageFields[] =
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80 | {
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81 | SSMFIELD_ENTRY( XAPICPAGE, id.u8ApicId),
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82 | SSMFIELD_ENTRY( XAPICPAGE, version.all.u32Version),
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83 | SSMFIELD_ENTRY( XAPICPAGE, tpr.u8Tpr),
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84 | SSMFIELD_ENTRY( XAPICPAGE, apr.u8Apr),
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85 | SSMFIELD_ENTRY( XAPICPAGE, ppr.u8Ppr),
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86 | SSMFIELD_ENTRY( XAPICPAGE, ldr.all.u32Ldr),
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87 | SSMFIELD_ENTRY( XAPICPAGE, dfr.all.u32Dfr),
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88 | SSMFIELD_ENTRY( XAPICPAGE, svr.all.u32Svr),
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89 | SSMFIELD_ENTRY( XAPICPAGE, isr.u[0].u32Reg),
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90 | SSMFIELD_ENTRY( XAPICPAGE, isr.u[1].u32Reg),
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91 | SSMFIELD_ENTRY( XAPICPAGE, isr.u[2].u32Reg),
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92 | SSMFIELD_ENTRY( XAPICPAGE, isr.u[3].u32Reg),
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93 | SSMFIELD_ENTRY( XAPICPAGE, isr.u[4].u32Reg),
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94 | SSMFIELD_ENTRY( XAPICPAGE, isr.u[5].u32Reg),
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95 | SSMFIELD_ENTRY( XAPICPAGE, isr.u[6].u32Reg),
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96 | SSMFIELD_ENTRY( XAPICPAGE, isr.u[7].u32Reg),
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97 | SSMFIELD_ENTRY( XAPICPAGE, tmr.u[0].u32Reg),
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98 | SSMFIELD_ENTRY( XAPICPAGE, tmr.u[1].u32Reg),
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99 | SSMFIELD_ENTRY( XAPICPAGE, tmr.u[2].u32Reg),
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100 | SSMFIELD_ENTRY( XAPICPAGE, tmr.u[3].u32Reg),
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101 | SSMFIELD_ENTRY( XAPICPAGE, tmr.u[4].u32Reg),
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102 | SSMFIELD_ENTRY( XAPICPAGE, tmr.u[5].u32Reg),
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103 | SSMFIELD_ENTRY( XAPICPAGE, tmr.u[6].u32Reg),
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104 | SSMFIELD_ENTRY( XAPICPAGE, tmr.u[7].u32Reg),
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105 | SSMFIELD_ENTRY( XAPICPAGE, irr.u[0].u32Reg),
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106 | SSMFIELD_ENTRY( XAPICPAGE, irr.u[1].u32Reg),
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107 | SSMFIELD_ENTRY( XAPICPAGE, irr.u[2].u32Reg),
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108 | SSMFIELD_ENTRY( XAPICPAGE, irr.u[3].u32Reg),
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109 | SSMFIELD_ENTRY( XAPICPAGE, irr.u[4].u32Reg),
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110 | SSMFIELD_ENTRY( XAPICPAGE, irr.u[5].u32Reg),
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111 | SSMFIELD_ENTRY( XAPICPAGE, irr.u[6].u32Reg),
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112 | SSMFIELD_ENTRY( XAPICPAGE, irr.u[7].u32Reg),
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113 | SSMFIELD_ENTRY( XAPICPAGE, esr.all.u32Errors),
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114 | SSMFIELD_ENTRY( XAPICPAGE, icr_lo.all.u32IcrLo),
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115 | SSMFIELD_ENTRY( XAPICPAGE, icr_hi.all.u32IcrHi),
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116 | SSMFIELD_ENTRY( XAPICPAGE, lvt_timer.all.u32LvtTimer),
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117 | SSMFIELD_ENTRY( XAPICPAGE, lvt_thermal.all.u32LvtThermal),
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118 | SSMFIELD_ENTRY( XAPICPAGE, lvt_perf.all.u32LvtPerf),
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119 | SSMFIELD_ENTRY( XAPICPAGE, lvt_lint0.all.u32LvtLint0),
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120 | SSMFIELD_ENTRY( XAPICPAGE, lvt_lint1.all.u32LvtLint1),
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121 | SSMFIELD_ENTRY( XAPICPAGE, lvt_error.all.u32LvtError),
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122 | SSMFIELD_ENTRY( XAPICPAGE, timer_icr.u32InitialCount),
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123 | SSMFIELD_ENTRY( XAPICPAGE, timer_ccr.u32CurrentCount),
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124 | SSMFIELD_ENTRY( XAPICPAGE, timer_dcr.all.u32DivideValue),
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125 | SSMFIELD_ENTRY_TERM()
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126 | };
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127 |
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128 | /** Saved state field descriptors for X2APICPAGE. */
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129 | static const SSMFIELD g_aX2ApicPageFields[] =
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130 | {
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131 | SSMFIELD_ENTRY(X2APICPAGE, id.u32ApicId),
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132 | SSMFIELD_ENTRY(X2APICPAGE, version.all.u32Version),
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133 | SSMFIELD_ENTRY(X2APICPAGE, tpr.u8Tpr),
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134 | SSMFIELD_ENTRY(X2APICPAGE, ppr.u8Ppr),
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135 | SSMFIELD_ENTRY(X2APICPAGE, ldr.u32LogicalApicId),
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136 | SSMFIELD_ENTRY(X2APICPAGE, svr.all.u32Svr),
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137 | SSMFIELD_ENTRY(X2APICPAGE, isr.u[0].u32Reg),
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138 | SSMFIELD_ENTRY(X2APICPAGE, isr.u[1].u32Reg),
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139 | SSMFIELD_ENTRY(X2APICPAGE, isr.u[2].u32Reg),
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140 | SSMFIELD_ENTRY(X2APICPAGE, isr.u[3].u32Reg),
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141 | SSMFIELD_ENTRY(X2APICPAGE, isr.u[4].u32Reg),
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142 | SSMFIELD_ENTRY(X2APICPAGE, isr.u[5].u32Reg),
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143 | SSMFIELD_ENTRY(X2APICPAGE, isr.u[6].u32Reg),
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144 | SSMFIELD_ENTRY(X2APICPAGE, isr.u[7].u32Reg),
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145 | SSMFIELD_ENTRY(X2APICPAGE, tmr.u[0].u32Reg),
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146 | SSMFIELD_ENTRY(X2APICPAGE, tmr.u[1].u32Reg),
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147 | SSMFIELD_ENTRY(X2APICPAGE, tmr.u[2].u32Reg),
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148 | SSMFIELD_ENTRY(X2APICPAGE, tmr.u[3].u32Reg),
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149 | SSMFIELD_ENTRY(X2APICPAGE, tmr.u[4].u32Reg),
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150 | SSMFIELD_ENTRY(X2APICPAGE, tmr.u[5].u32Reg),
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151 | SSMFIELD_ENTRY(X2APICPAGE, tmr.u[6].u32Reg),
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152 | SSMFIELD_ENTRY(X2APICPAGE, tmr.u[7].u32Reg),
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153 | SSMFIELD_ENTRY(X2APICPAGE, irr.u[0].u32Reg),
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154 | SSMFIELD_ENTRY(X2APICPAGE, irr.u[1].u32Reg),
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155 | SSMFIELD_ENTRY(X2APICPAGE, irr.u[2].u32Reg),
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156 | SSMFIELD_ENTRY(X2APICPAGE, irr.u[3].u32Reg),
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157 | SSMFIELD_ENTRY(X2APICPAGE, irr.u[4].u32Reg),
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158 | SSMFIELD_ENTRY(X2APICPAGE, irr.u[5].u32Reg),
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159 | SSMFIELD_ENTRY(X2APICPAGE, irr.u[6].u32Reg),
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160 | SSMFIELD_ENTRY(X2APICPAGE, irr.u[7].u32Reg),
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161 | SSMFIELD_ENTRY(X2APICPAGE, esr.all.u32Errors),
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162 | SSMFIELD_ENTRY(X2APICPAGE, icr_lo.all.u32IcrLo),
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163 | SSMFIELD_ENTRY(X2APICPAGE, icr_hi.u32IcrHi),
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164 | SSMFIELD_ENTRY(X2APICPAGE, lvt_timer.all.u32LvtTimer),
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165 | SSMFIELD_ENTRY(X2APICPAGE, lvt_thermal.all.u32LvtThermal),
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166 | SSMFIELD_ENTRY(X2APICPAGE, lvt_perf.all.u32LvtPerf),
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167 | SSMFIELD_ENTRY(X2APICPAGE, lvt_lint0.all.u32LvtLint0),
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168 | SSMFIELD_ENTRY(X2APICPAGE, lvt_lint1.all.u32LvtLint1),
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169 | SSMFIELD_ENTRY(X2APICPAGE, lvt_error.all.u32LvtError),
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170 | SSMFIELD_ENTRY(X2APICPAGE, timer_icr.u32InitialCount),
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171 | SSMFIELD_ENTRY(X2APICPAGE, timer_ccr.u32CurrentCount),
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172 | SSMFIELD_ENTRY(X2APICPAGE, timer_dcr.all.u32DivideValue),
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173 | SSMFIELD_ENTRY_TERM()
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174 | };
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175 |
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176 |
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177 | /**
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178 | * Sets the CPUID feature bits for the APIC mode.
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179 | *
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180 | * @param pVM The cross context VM structure.
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181 | * @param enmMode The APIC mode.
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182 | */
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183 | static void apicR3SetCpuIdFeatureLevel(PVM pVM, PDMAPICMODE enmMode)
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184 | {
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185 | switch (enmMode)
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186 | {
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187 | case PDMAPICMODE_NONE:
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188 | CPUMR3ClearGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_X2APIC);
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189 | CPUMR3ClearGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_APIC);
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190 | break;
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191 |
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192 | case PDMAPICMODE_APIC:
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193 | CPUMR3ClearGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_X2APIC);
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194 | CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_APIC);
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195 | break;
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196 |
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197 | case PDMAPICMODE_X2APIC:
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198 | CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_APIC);
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199 | CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_X2APIC);
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200 | break;
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201 |
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202 | default:
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203 | AssertMsgFailed(("Unknown/invalid APIC mode: %d\n", (int)enmMode));
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204 | }
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205 | }
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206 |
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207 |
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208 | /**
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209 | * Receives an INIT IPI.
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210 | *
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211 | * @param pVCpu The cross context virtual CPU structure.
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212 | */
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213 | VMMR3_INT_DECL(void) APICR3InitIpi(PVMCPU pVCpu)
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214 | {
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215 | VMCPU_ASSERT_EMT(pVCpu);
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216 | LogFlow(("APIC%u: APICR3InitIpi\n", pVCpu->idCpu));
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217 | apicInitIpi(pVCpu);
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218 | }
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219 |
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220 |
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221 | /**
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222 | * Sets whether Hyper-V compatibility mode (MSR interface) is enabled or not.
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223 | *
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224 | * This mode is a hybrid of xAPIC and x2APIC modes, some caveats:
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225 | * 1. MSRs are used even ones that are missing (illegal) in x2APIC like DFR.
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226 | * 2. A single ICR is used by the guest to send IPIs rather than 2 ICR writes.
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227 | * 3. It is unclear what the behaviour will be when invalid bits are set,
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228 | * currently we follow x2APIC behaviour of causing a \#GP.
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229 | *
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230 | * @param pVM The cross context VM structure.
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231 | * @param fHyperVCompatMode Whether the compatibility mode is enabled.
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232 | */
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233 | VMMR3_INT_DECL(void) APICR3HvSetCompatMode(PVM pVM, bool fHyperVCompatMode)
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234 | {
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235 | Assert(pVM);
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236 | PAPIC pApic = VM_TO_APIC(pVM);
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237 | pApic->fHyperVCompatMode = fHyperVCompatMode;
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238 |
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239 | if (fHyperVCompatMode)
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240 | LogRel(("APIC: Enabling Hyper-V x2APIC compatibility mode\n"));
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241 |
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242 | int rc = CPUMR3MsrRangesInsert(pVM, &g_MsrRange_x2Apic);
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243 | AssertLogRelRC(rc);
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244 | }
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245 |
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246 |
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247 | /**
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248 | * Helper for dumping an APIC 256-bit sparse register.
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249 | *
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250 | * @param pApicReg The APIC 256-bit spare register.
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251 | * @param pHlp The debug output helper.
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252 | */
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253 | static void apicR3DbgInfo256BitReg(volatile const XAPIC256BITREG *pApicReg, PCDBGFINFOHLP pHlp)
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254 | {
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255 | ssize_t const cFragments = RT_ELEMENTS(pApicReg->u);
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256 | unsigned const cBitsPerFragment = sizeof(pApicReg->u[0].u32Reg) * 8;
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257 | XAPIC256BITREG ApicReg;
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258 | RT_ZERO(ApicReg);
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259 |
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260 | pHlp->pfnPrintf(pHlp, " ");
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261 | for (ssize_t i = cFragments - 1; i >= 0; i--)
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262 | {
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263 | uint32_t const uFragment = pApicReg->u[i].u32Reg;
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264 | ApicReg.u[i].u32Reg = uFragment;
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265 | pHlp->pfnPrintf(pHlp, "%08x", uFragment);
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266 | }
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267 | pHlp->pfnPrintf(pHlp, "\n");
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268 |
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269 | uint32_t cPending = 0;
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270 | pHlp->pfnPrintf(pHlp, " Pending:");
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271 | for (ssize_t i = cFragments - 1; i >= 0; i--)
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272 | {
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273 | uint32_t uFragment = ApicReg.u[i].u32Reg;
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274 | if (uFragment)
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275 | {
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276 | do
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277 | {
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278 | unsigned idxSetBit = ASMBitLastSetU32(uFragment);
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279 | --idxSetBit;
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280 | ASMBitClear(&uFragment, idxSetBit);
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281 |
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282 | idxSetBit += (i * cBitsPerFragment);
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283 | pHlp->pfnPrintf(pHlp, " %#02x", idxSetBit);
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284 | ++cPending;
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285 | } while (uFragment);
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286 | }
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287 | }
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288 | if (!cPending)
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289 | pHlp->pfnPrintf(pHlp, " None");
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290 | pHlp->pfnPrintf(pHlp, "\n");
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291 | }
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292 |
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293 |
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294 | /**
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295 | * Helper for dumping an APIC pending-interrupt bitmap.
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296 | *
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297 | * @param pApicPib The pending-interrupt bitmap.
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298 | * @param pHlp The debug output helper.
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299 | */
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300 | static void apicR3DbgInfoPib(PCAPICPIB pApicPib, PCDBGFINFOHLP pHlp)
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301 | {
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302 | /* Copy the pending-interrupt bitmap as an APIC 256-bit sparse register. */
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303 | XAPIC256BITREG ApicReg;
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304 | RT_ZERO(ApicReg);
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305 | ssize_t const cFragmentsDst = RT_ELEMENTS(ApicReg.u);
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306 | ssize_t const cFragmentsSrc = RT_ELEMENTS(pApicPib->au64VectorBitmap);
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307 | AssertCompile(RT_ELEMENTS(ApicReg.u) == 2 * RT_ELEMENTS(pApicPib->au64VectorBitmap));
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308 | for (ssize_t idxPib = cFragmentsSrc - 1, idxReg = cFragmentsDst - 1; idxPib >= 0; idxPib--, idxReg -= 2)
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309 | {
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310 | uint64_t const uFragment = pApicPib->au64VectorBitmap[idxPib];
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311 | uint32_t const uFragmentLo = RT_LO_U32(uFragment);
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312 | uint32_t const uFragmentHi = RT_HI_U32(uFragment);
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313 | ApicReg.u[idxReg].u32Reg = uFragmentHi;
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314 | ApicReg.u[idxReg - 1].u32Reg = uFragmentLo;
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315 | }
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316 |
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317 | /* Dump it. */
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318 | apicR3DbgInfo256BitReg(&ApicReg, pHlp);
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319 | }
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320 |
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321 |
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322 | /**
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323 | * Dumps basic APIC state.
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324 | *
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325 | * @param pVM The cross context VM structure.
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326 | * @param pHlp The info helpers.
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327 | * @param pszArgs Arguments, ignored.
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328 | */
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329 | static DECLCALLBACK(void) apicR3Info(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
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330 | {
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331 | NOREF(pszArgs);
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332 | PVMCPU pVCpu = VMMGetCpu(pVM);
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333 | if (!pVCpu)
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334 | pVCpu = pVM->apCpusR3[0];
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335 |
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336 | PCAPICCPU pApicCpu = VMCPU_TO_APICCPU(pVCpu);
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337 | PCXAPICPAGE pXApicPage = VMCPU_TO_CXAPICPAGE(pVCpu);
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338 | PCX2APICPAGE pX2ApicPage = VMCPU_TO_CX2APICPAGE(pVCpu);
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339 |
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340 | uint64_t const uBaseMsr = pApicCpu->uApicBaseMsr;
|
---|
341 | APICMODE const enmMode = apicGetMode(uBaseMsr);
|
---|
342 | bool const fX2ApicMode = XAPIC_IN_X2APIC_MODE(pVCpu);
|
---|
343 |
|
---|
344 | pHlp->pfnPrintf(pHlp, "APIC%u:\n", pVCpu->idCpu);
|
---|
345 | pHlp->pfnPrintf(pHlp, " APIC Base MSR = %#RX64 (Addr=%#RX64)\n", uBaseMsr,
|
---|
346 | MSR_IA32_APICBASE_GET_ADDR(uBaseMsr));
|
---|
347 | pHlp->pfnPrintf(pHlp, " Mode = %u (%s)\n", enmMode, apicGetModeName(enmMode));
|
---|
348 | if (fX2ApicMode)
|
---|
349 | {
|
---|
350 | pHlp->pfnPrintf(pHlp, " APIC ID = %u (%#x)\n", pX2ApicPage->id.u32ApicId,
|
---|
351 | pX2ApicPage->id.u32ApicId);
|
---|
352 | }
|
---|
353 | else
|
---|
354 | pHlp->pfnPrintf(pHlp, " APIC ID = %u (%#x)\n", pXApicPage->id.u8ApicId, pXApicPage->id.u8ApicId);
|
---|
355 | pHlp->pfnPrintf(pHlp, " Version = %#x\n", pXApicPage->version.all.u32Version);
|
---|
356 | pHlp->pfnPrintf(pHlp, " APIC Version = %#x\n", pXApicPage->version.u.u8Version);
|
---|
357 | pHlp->pfnPrintf(pHlp, " Max LVT entry index (0..N) = %u\n", pXApicPage->version.u.u8MaxLvtEntry);
|
---|
358 | pHlp->pfnPrintf(pHlp, " EOI Broadcast supression = %RTbool\n", pXApicPage->version.u.fEoiBroadcastSupression);
|
---|
359 | if (!fX2ApicMode)
|
---|
360 | pHlp->pfnPrintf(pHlp, " APR = %u (%#x)\n", pXApicPage->apr.u8Apr, pXApicPage->apr.u8Apr);
|
---|
361 | pHlp->pfnPrintf(pHlp, " TPR = %u (%#x)\n", pXApicPage->tpr.u8Tpr, pXApicPage->tpr.u8Tpr);
|
---|
362 | pHlp->pfnPrintf(pHlp, " Task-priority class = %#x\n", XAPIC_TPR_GET_TP(pXApicPage->tpr.u8Tpr) >> 4);
|
---|
363 | pHlp->pfnPrintf(pHlp, " Task-priority subclass = %#x\n", XAPIC_TPR_GET_TP_SUBCLASS(pXApicPage->tpr.u8Tpr));
|
---|
364 | pHlp->pfnPrintf(pHlp, " PPR = %u (%#x)\n", pXApicPage->ppr.u8Ppr, pXApicPage->ppr.u8Ppr);
|
---|
365 | pHlp->pfnPrintf(pHlp, " Processor-priority class = %#x\n", XAPIC_PPR_GET_PP(pXApicPage->ppr.u8Ppr) >> 4);
|
---|
366 | pHlp->pfnPrintf(pHlp, " Processor-priority subclass = %#x\n", XAPIC_PPR_GET_PP_SUBCLASS(pXApicPage->ppr.u8Ppr));
|
---|
367 | if (!fX2ApicMode)
|
---|
368 | pHlp->pfnPrintf(pHlp, " RRD = %u (%#x)\n", pXApicPage->rrd.u32Rrd, pXApicPage->rrd.u32Rrd);
|
---|
369 | pHlp->pfnPrintf(pHlp, " LDR = %#x\n", pXApicPage->ldr.all.u32Ldr);
|
---|
370 | pHlp->pfnPrintf(pHlp, " Logical APIC ID = %#x\n", fX2ApicMode ? pX2ApicPage->ldr.u32LogicalApicId
|
---|
371 | : pXApicPage->ldr.u.u8LogicalApicId);
|
---|
372 | if (!fX2ApicMode)
|
---|
373 | {
|
---|
374 | pHlp->pfnPrintf(pHlp, " DFR = %#x\n", pXApicPage->dfr.all.u32Dfr);
|
---|
375 | pHlp->pfnPrintf(pHlp, " Model = %#x (%s)\n", pXApicPage->dfr.u.u4Model,
|
---|
376 | apicGetDestFormatName((XAPICDESTFORMAT)pXApicPage->dfr.u.u4Model));
|
---|
377 | }
|
---|
378 | pHlp->pfnPrintf(pHlp, " SVR = %#x\n", pXApicPage->svr.all.u32Svr);
|
---|
379 | pHlp->pfnPrintf(pHlp, " Vector = %u (%#x)\n", pXApicPage->svr.u.u8SpuriousVector,
|
---|
380 | pXApicPage->svr.u.u8SpuriousVector);
|
---|
381 | pHlp->pfnPrintf(pHlp, " Software Enabled = %RTbool\n", RT_BOOL(pXApicPage->svr.u.fApicSoftwareEnable));
|
---|
382 | pHlp->pfnPrintf(pHlp, " Supress EOI broadcast = %RTbool\n", RT_BOOL(pXApicPage->svr.u.fSupressEoiBroadcast));
|
---|
383 | pHlp->pfnPrintf(pHlp, " ISR\n");
|
---|
384 | apicR3DbgInfo256BitReg(&pXApicPage->isr, pHlp);
|
---|
385 | pHlp->pfnPrintf(pHlp, " TMR\n");
|
---|
386 | apicR3DbgInfo256BitReg(&pXApicPage->tmr, pHlp);
|
---|
387 | pHlp->pfnPrintf(pHlp, " IRR\n");
|
---|
388 | apicR3DbgInfo256BitReg(&pXApicPage->irr, pHlp);
|
---|
389 | pHlp->pfnPrintf(pHlp, " PIB\n");
|
---|
390 | apicR3DbgInfoPib((PCAPICPIB)pApicCpu->pvApicPibR3, pHlp);
|
---|
391 | pHlp->pfnPrintf(pHlp, " Level PIB\n");
|
---|
392 | apicR3DbgInfoPib(&pApicCpu->ApicPibLevel, pHlp);
|
---|
393 | pHlp->pfnPrintf(pHlp, " ESR Internal = %#x\n", pApicCpu->uEsrInternal);
|
---|
394 | pHlp->pfnPrintf(pHlp, " ESR = %#x\n", pXApicPage->esr.all.u32Errors);
|
---|
395 | pHlp->pfnPrintf(pHlp, " Redirectable IPI = %RTbool\n", pXApicPage->esr.u.fRedirectableIpi);
|
---|
396 | pHlp->pfnPrintf(pHlp, " Send Illegal Vector = %RTbool\n", pXApicPage->esr.u.fSendIllegalVector);
|
---|
397 | pHlp->pfnPrintf(pHlp, " Recv Illegal Vector = %RTbool\n", pXApicPage->esr.u.fRcvdIllegalVector);
|
---|
398 | pHlp->pfnPrintf(pHlp, " Illegal Register Address = %RTbool\n", pXApicPage->esr.u.fIllegalRegAddr);
|
---|
399 | pHlp->pfnPrintf(pHlp, " ICR Low = %#x\n", pXApicPage->icr_lo.all.u32IcrLo);
|
---|
400 | pHlp->pfnPrintf(pHlp, " Vector = %u (%#x)\n", pXApicPage->icr_lo.u.u8Vector,
|
---|
401 | pXApicPage->icr_lo.u.u8Vector);
|
---|
402 | pHlp->pfnPrintf(pHlp, " Delivery Mode = %#x (%s)\n", pXApicPage->icr_lo.u.u3DeliveryMode,
|
---|
403 | apicGetDeliveryModeName((XAPICDELIVERYMODE)pXApicPage->icr_lo.u.u3DeliveryMode));
|
---|
404 | pHlp->pfnPrintf(pHlp, " Destination Mode = %#x (%s)\n", pXApicPage->icr_lo.u.u1DestMode,
|
---|
405 | apicGetDestModeName((XAPICDESTMODE)pXApicPage->icr_lo.u.u1DestMode));
|
---|
406 | if (!fX2ApicMode)
|
---|
407 | pHlp->pfnPrintf(pHlp, " Delivery Status = %u\n", pXApicPage->icr_lo.u.u1DeliveryStatus);
|
---|
408 | pHlp->pfnPrintf(pHlp, " Level = %u\n", pXApicPage->icr_lo.u.u1Level);
|
---|
409 | pHlp->pfnPrintf(pHlp, " Trigger Mode = %u (%s)\n", pXApicPage->icr_lo.u.u1TriggerMode,
|
---|
410 | apicGetTriggerModeName((XAPICTRIGGERMODE)pXApicPage->icr_lo.u.u1TriggerMode));
|
---|
411 | pHlp->pfnPrintf(pHlp, " Destination shorthand = %#x (%s)\n", pXApicPage->icr_lo.u.u2DestShorthand,
|
---|
412 | apicGetDestShorthandName((XAPICDESTSHORTHAND)pXApicPage->icr_lo.u.u2DestShorthand));
|
---|
413 | pHlp->pfnPrintf(pHlp, " ICR High = %#x\n", pXApicPage->icr_hi.all.u32IcrHi);
|
---|
414 | pHlp->pfnPrintf(pHlp, " Destination field/mask = %#x\n", fX2ApicMode ? pX2ApicPage->icr_hi.u32IcrHi
|
---|
415 | : pXApicPage->icr_hi.u.u8Dest);
|
---|
416 | }
|
---|
417 |
|
---|
418 |
|
---|
419 | /**
|
---|
420 | * Helper for dumping the LVT timer.
|
---|
421 | *
|
---|
422 | * @param pVCpu The cross context virtual CPU structure.
|
---|
423 | * @param pHlp The debug output helper.
|
---|
424 | */
|
---|
425 | static void apicR3InfoLvtTimer(PVMCPU pVCpu, PCDBGFINFOHLP pHlp)
|
---|
426 | {
|
---|
427 | PCXAPICPAGE pXApicPage = VMCPU_TO_CXAPICPAGE(pVCpu);
|
---|
428 | uint32_t const uLvtTimer = pXApicPage->lvt_timer.all.u32LvtTimer;
|
---|
429 | pHlp->pfnPrintf(pHlp, "LVT Timer = %#RX32\n", uLvtTimer);
|
---|
430 | pHlp->pfnPrintf(pHlp, " Vector = %u (%#x)\n", pXApicPage->lvt_timer.u.u8Vector, pXApicPage->lvt_timer.u.u8Vector);
|
---|
431 | pHlp->pfnPrintf(pHlp, " Delivery status = %u\n", pXApicPage->lvt_timer.u.u1DeliveryStatus);
|
---|
432 | pHlp->pfnPrintf(pHlp, " Masked = %RTbool\n", XAPIC_LVT_IS_MASKED(uLvtTimer));
|
---|
433 | pHlp->pfnPrintf(pHlp, " Timer Mode = %#x (%s)\n", pXApicPage->lvt_timer.u.u2TimerMode,
|
---|
434 | apicGetTimerModeName((XAPICTIMERMODE)pXApicPage->lvt_timer.u.u2TimerMode));
|
---|
435 | }
|
---|
436 |
|
---|
437 |
|
---|
438 | /**
|
---|
439 | * Dumps APIC Local Vector Table (LVT) information.
|
---|
440 | *
|
---|
441 | * @param pVM The cross context VM structure.
|
---|
442 | * @param pHlp The info helpers.
|
---|
443 | * @param pszArgs Arguments, ignored.
|
---|
444 | */
|
---|
445 | static DECLCALLBACK(void) apicR3InfoLvt(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
|
---|
446 | {
|
---|
447 | NOREF(pszArgs);
|
---|
448 | PVMCPU pVCpu = VMMGetCpu(pVM);
|
---|
449 | if (!pVCpu)
|
---|
450 | pVCpu = pVM->apCpusR3[0];
|
---|
451 |
|
---|
452 | PCXAPICPAGE pXApicPage = VMCPU_TO_CXAPICPAGE(pVCpu);
|
---|
453 |
|
---|
454 | /*
|
---|
455 | * Delivery modes available in the LVT entries. They're different (more reserved stuff) from the
|
---|
456 | * ICR delivery modes and hence we don't use apicGetDeliveryMode but mostly because we want small,
|
---|
457 | * fixed-length strings to fit our formatting needs here.
|
---|
458 | */
|
---|
459 | static const char * const s_apszLvtDeliveryModes[] =
|
---|
460 | {
|
---|
461 | "Fixed ",
|
---|
462 | "Rsvd ",
|
---|
463 | "SMI ",
|
---|
464 | "Rsvd ",
|
---|
465 | "NMI ",
|
---|
466 | "INIT ",
|
---|
467 | "Rsvd ",
|
---|
468 | "ExtINT"
|
---|
469 | };
|
---|
470 | /* Delivery Status. */
|
---|
471 | static const char * const s_apszLvtDeliveryStatus[] =
|
---|
472 | {
|
---|
473 | "Idle",
|
---|
474 | "Pend"
|
---|
475 | };
|
---|
476 | const char *pszNotApplicable = "";
|
---|
477 |
|
---|
478 | pHlp->pfnPrintf(pHlp, "VCPU[%u] APIC Local Vector Table (LVT):\n", pVCpu->idCpu);
|
---|
479 | pHlp->pfnPrintf(pHlp, "lvt timermode mask trigger rirr polarity dlvr_st dlvr_mode vector\n");
|
---|
480 | /* Timer. */
|
---|
481 | {
|
---|
482 | /* Timer modes. */
|
---|
483 | static const char * const s_apszLvtTimerModes[] =
|
---|
484 | {
|
---|
485 | "One-shot ",
|
---|
486 | "Periodic ",
|
---|
487 | "TSC-dline"
|
---|
488 | };
|
---|
489 | const uint32_t uLvtTimer = pXApicPage->lvt_timer.all.u32LvtTimer;
|
---|
490 | const XAPICTIMERMODE enmTimerMode = XAPIC_LVT_GET_TIMER_MODE(uLvtTimer);
|
---|
491 | const char *pszTimerMode = s_apszLvtTimerModes[enmTimerMode];
|
---|
492 | const uint8_t uMask = XAPIC_LVT_IS_MASKED(uLvtTimer);
|
---|
493 | const uint8_t uDeliveryStatus = uLvtTimer & XAPIC_LVT_DELIVERY_STATUS;
|
---|
494 | const char *pszDeliveryStatus = s_apszLvtDeliveryStatus[uDeliveryStatus];
|
---|
495 | const uint8_t uVector = XAPIC_LVT_GET_VECTOR(uLvtTimer);
|
---|
496 |
|
---|
497 | pHlp->pfnPrintf(pHlp, "%-7s %9s %u %5s %1s %8s %4s %6s %3u (%#x)\n",
|
---|
498 | "Timer",
|
---|
499 | pszTimerMode,
|
---|
500 | uMask,
|
---|
501 | pszNotApplicable, /* TriggerMode */
|
---|
502 | pszNotApplicable, /* Remote IRR */
|
---|
503 | pszNotApplicable, /* Polarity */
|
---|
504 | pszDeliveryStatus,
|
---|
505 | pszNotApplicable, /* Delivery Mode */
|
---|
506 | uVector,
|
---|
507 | uVector);
|
---|
508 | }
|
---|
509 |
|
---|
510 | #if XAPIC_HARDWARE_VERSION == XAPIC_HARDWARE_VERSION_P4
|
---|
511 | /* Thermal sensor. */
|
---|
512 | {
|
---|
513 | uint32_t const uLvtThermal = pXApicPage->lvt_thermal.all.u32LvtThermal;
|
---|
514 | const uint8_t uMask = XAPIC_LVT_IS_MASKED(uLvtThermal);
|
---|
515 | const uint8_t uDeliveryStatus = uLvtThermal & XAPIC_LVT_DELIVERY_STATUS;
|
---|
516 | const char *pszDeliveryStatus = s_apszLvtDeliveryStatus[uDeliveryStatus];
|
---|
517 | const XAPICDELIVERYMODE enmDeliveryMode = XAPIC_LVT_GET_DELIVERY_MODE(uLvtThermal);
|
---|
518 | const char *pszDeliveryMode = s_apszLvtDeliveryModes[enmDeliveryMode];
|
---|
519 | const uint8_t uVector = XAPIC_LVT_GET_VECTOR(uLvtThermal);
|
---|
520 |
|
---|
521 | pHlp->pfnPrintf(pHlp, "%-7s %9s %u %5s %1s %8s %4s %6s %3u (%#x)\n",
|
---|
522 | "Thermal",
|
---|
523 | pszNotApplicable, /* Timer mode */
|
---|
524 | uMask,
|
---|
525 | pszNotApplicable, /* TriggerMode */
|
---|
526 | pszNotApplicable, /* Remote IRR */
|
---|
527 | pszNotApplicable, /* Polarity */
|
---|
528 | pszDeliveryStatus,
|
---|
529 | pszDeliveryMode,
|
---|
530 | uVector,
|
---|
531 | uVector);
|
---|
532 | }
|
---|
533 | #endif
|
---|
534 |
|
---|
535 | /* Performance Monitor Counters. */
|
---|
536 | {
|
---|
537 | uint32_t const uLvtPerf = pXApicPage->lvt_thermal.all.u32LvtThermal;
|
---|
538 | const uint8_t uMask = XAPIC_LVT_IS_MASKED(uLvtPerf);
|
---|
539 | const uint8_t uDeliveryStatus = uLvtPerf & XAPIC_LVT_DELIVERY_STATUS;
|
---|
540 | const char *pszDeliveryStatus = s_apszLvtDeliveryStatus[uDeliveryStatus];
|
---|
541 | const XAPICDELIVERYMODE enmDeliveryMode = XAPIC_LVT_GET_DELIVERY_MODE(uLvtPerf);
|
---|
542 | const char *pszDeliveryMode = s_apszLvtDeliveryModes[enmDeliveryMode];
|
---|
543 | const uint8_t uVector = XAPIC_LVT_GET_VECTOR(uLvtPerf);
|
---|
544 |
|
---|
545 | pHlp->pfnPrintf(pHlp, "%-7s %9s %u %5s %1s %8s %4s %6s %3u (%#x)\n",
|
---|
546 | "Perf",
|
---|
547 | pszNotApplicable, /* Timer mode */
|
---|
548 | uMask,
|
---|
549 | pszNotApplicable, /* TriggerMode */
|
---|
550 | pszNotApplicable, /* Remote IRR */
|
---|
551 | pszNotApplicable, /* Polarity */
|
---|
552 | pszDeliveryStatus,
|
---|
553 | pszDeliveryMode,
|
---|
554 | uVector,
|
---|
555 | uVector);
|
---|
556 | }
|
---|
557 |
|
---|
558 | /* LINT0, LINT1. */
|
---|
559 | {
|
---|
560 | /* LINTx name. */
|
---|
561 | static const char * const s_apszLvtLint[] =
|
---|
562 | {
|
---|
563 | "LINT0",
|
---|
564 | "LINT1"
|
---|
565 | };
|
---|
566 | /* Trigger mode. */
|
---|
567 | static const char * const s_apszLvtTriggerModes[] =
|
---|
568 | {
|
---|
569 | "Edge ",
|
---|
570 | "Level"
|
---|
571 | };
|
---|
572 | /* Polarity. */
|
---|
573 | static const char * const s_apszLvtPolarity[] =
|
---|
574 | {
|
---|
575 | "ActiveHi",
|
---|
576 | "ActiveLo"
|
---|
577 | };
|
---|
578 |
|
---|
579 | uint32_t aLvtLint[2];
|
---|
580 | aLvtLint[0] = pXApicPage->lvt_lint0.all.u32LvtLint0;
|
---|
581 | aLvtLint[1] = pXApicPage->lvt_lint1.all.u32LvtLint1;
|
---|
582 | for (size_t i = 0; i < RT_ELEMENTS(aLvtLint); i++)
|
---|
583 | {
|
---|
584 | uint32_t const uLvtLint = aLvtLint[i];
|
---|
585 | const char *pszLint = s_apszLvtLint[i];
|
---|
586 | const uint8_t uMask = XAPIC_LVT_IS_MASKED(uLvtLint);
|
---|
587 | const XAPICTRIGGERMODE enmTriggerMode = XAPIC_LVT_GET_TRIGGER_MODE(uLvtLint);
|
---|
588 | const char *pszTriggerMode = s_apszLvtTriggerModes[enmTriggerMode];
|
---|
589 | const uint8_t uRemoteIrr = XAPIC_LVT_GET_REMOTE_IRR(uLvtLint);
|
---|
590 | const uint8_t uPolarity = XAPIC_LVT_GET_POLARITY(uLvtLint);
|
---|
591 | const char *pszPolarity = s_apszLvtPolarity[uPolarity];
|
---|
592 | const uint8_t uDeliveryStatus = uLvtLint & XAPIC_LVT_DELIVERY_STATUS;
|
---|
593 | const char *pszDeliveryStatus = s_apszLvtDeliveryStatus[uDeliveryStatus];
|
---|
594 | const XAPICDELIVERYMODE enmDeliveryMode = XAPIC_LVT_GET_DELIVERY_MODE(uLvtLint);
|
---|
595 | const char *pszDeliveryMode = s_apszLvtDeliveryModes[enmDeliveryMode];
|
---|
596 | const uint8_t uVector = XAPIC_LVT_GET_VECTOR(uLvtLint);
|
---|
597 |
|
---|
598 | pHlp->pfnPrintf(pHlp, "%-7s %9s %u %5s %u %8s %4s %6s %3u (%#x)\n",
|
---|
599 | pszLint,
|
---|
600 | pszNotApplicable, /* Timer mode */
|
---|
601 | uMask,
|
---|
602 | pszTriggerMode,
|
---|
603 | uRemoteIrr,
|
---|
604 | pszPolarity,
|
---|
605 | pszDeliveryStatus,
|
---|
606 | pszDeliveryMode,
|
---|
607 | uVector,
|
---|
608 | uVector);
|
---|
609 | }
|
---|
610 | }
|
---|
611 |
|
---|
612 | /* Error. */
|
---|
613 | {
|
---|
614 | uint32_t const uLvtError = pXApicPage->lvt_thermal.all.u32LvtThermal;
|
---|
615 | const uint8_t uMask = XAPIC_LVT_IS_MASKED(uLvtError);
|
---|
616 | const uint8_t uDeliveryStatus = uLvtError & XAPIC_LVT_DELIVERY_STATUS;
|
---|
617 | const char *pszDeliveryStatus = s_apszLvtDeliveryStatus[uDeliveryStatus];
|
---|
618 | const XAPICDELIVERYMODE enmDeliveryMode = XAPIC_LVT_GET_DELIVERY_MODE(uLvtError);
|
---|
619 | const char *pszDeliveryMode = s_apszLvtDeliveryModes[enmDeliveryMode];
|
---|
620 | const uint8_t uVector = XAPIC_LVT_GET_VECTOR(uLvtError);
|
---|
621 |
|
---|
622 | pHlp->pfnPrintf(pHlp, "%-7s %9s %u %5s %1s %8s %4s %6s %3u (%#x)\n",
|
---|
623 | "Error",
|
---|
624 | pszNotApplicable, /* Timer mode */
|
---|
625 | uMask,
|
---|
626 | pszNotApplicable, /* TriggerMode */
|
---|
627 | pszNotApplicable, /* Remote IRR */
|
---|
628 | pszNotApplicable, /* Polarity */
|
---|
629 | pszDeliveryStatus,
|
---|
630 | pszDeliveryMode,
|
---|
631 | uVector,
|
---|
632 | uVector);
|
---|
633 | }
|
---|
634 | }
|
---|
635 |
|
---|
636 |
|
---|
637 | /**
|
---|
638 | * Dumps the APIC timer information.
|
---|
639 | *
|
---|
640 | * @param pVM The cross context VM structure.
|
---|
641 | * @param pHlp The info helpers.
|
---|
642 | * @param pszArgs Arguments, ignored.
|
---|
643 | */
|
---|
644 | static DECLCALLBACK(void) apicR3InfoTimer(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
|
---|
645 | {
|
---|
646 | NOREF(pszArgs);
|
---|
647 | PVMCPU pVCpu = VMMGetCpu(pVM);
|
---|
648 | if (!pVCpu)
|
---|
649 | pVCpu = pVM->apCpusR3[0];
|
---|
650 |
|
---|
651 | PCXAPICPAGE pXApicPage = VMCPU_TO_CXAPICPAGE(pVCpu);
|
---|
652 | PCAPICCPU pApicCpu = VMCPU_TO_APICCPU(pVCpu);
|
---|
653 |
|
---|
654 | pHlp->pfnPrintf(pHlp, "VCPU[%u] Local APIC timer:\n", pVCpu->idCpu);
|
---|
655 | pHlp->pfnPrintf(pHlp, " ICR = %#RX32\n", pXApicPage->timer_icr.u32InitialCount);
|
---|
656 | pHlp->pfnPrintf(pHlp, " CCR = %#RX32\n", pXApicPage->timer_ccr.u32CurrentCount);
|
---|
657 | pHlp->pfnPrintf(pHlp, " DCR = %#RX32\n", pXApicPage->timer_dcr.all.u32DivideValue);
|
---|
658 | pHlp->pfnPrintf(pHlp, " Timer shift = %#x\n", apicGetTimerShift(pXApicPage));
|
---|
659 | pHlp->pfnPrintf(pHlp, " Timer initial TS = %#RU64\n", pApicCpu->u64TimerInitial);
|
---|
660 | apicR3InfoLvtTimer(pVCpu, pHlp);
|
---|
661 | }
|
---|
662 |
|
---|
663 |
|
---|
664 | #ifdef APIC_FUZZY_SSM_COMPAT_TEST
|
---|
665 |
|
---|
666 | /**
|
---|
667 | * Reads a 32-bit register at a specified offset.
|
---|
668 | *
|
---|
669 | * @returns The value at the specified offset.
|
---|
670 | * @param pXApicPage The xAPIC page.
|
---|
671 | * @param offReg The offset of the register being read.
|
---|
672 | *
|
---|
673 | * @remarks Duplicate of apicReadRaw32()!
|
---|
674 | */
|
---|
675 | static uint32_t apicR3ReadRawR32(PCXAPICPAGE pXApicPage, uint16_t offReg)
|
---|
676 | {
|
---|
677 | Assert(offReg < sizeof(*pXApicPage) - sizeof(uint32_t));
|
---|
678 | uint8_t const *pbXApic = (const uint8_t *)pXApicPage;
|
---|
679 | uint32_t const uValue = *(const uint32_t *)(pbXApic + offReg);
|
---|
680 | return uValue;
|
---|
681 | }
|
---|
682 |
|
---|
683 |
|
---|
684 | /**
|
---|
685 | * Helper for dumping per-VCPU APIC state to the release logger.
|
---|
686 | *
|
---|
687 | * This is primarily concerned about the APIC state relevant for saved-states.
|
---|
688 | *
|
---|
689 | * @param pVCpu The cross context virtual CPU structure.
|
---|
690 | * @param pszPrefix A caller supplied prefix before dumping the state.
|
---|
691 | * @param uVersion Data layout version.
|
---|
692 | */
|
---|
693 | static void apicR3DumpState(PVMCPU pVCpu, const char *pszPrefix, uint32_t uVersion)
|
---|
694 | {
|
---|
695 | PCAPICCPU pApicCpu = VMCPU_TO_APICCPU(pVCpu);
|
---|
696 |
|
---|
697 | LogRel(("APIC%u: %s (version %u):\n", pVCpu->idCpu, pszPrefix, uVersion));
|
---|
698 |
|
---|
699 | switch (uVersion)
|
---|
700 | {
|
---|
701 | case APIC_SAVED_STATE_VERSION:
|
---|
702 | case APIC_SAVED_STATE_VERSION_VBOX_51_BETA2:
|
---|
703 | {
|
---|
704 | /* The auxiliary state. */
|
---|
705 | LogRel(("APIC%u: uApicBaseMsr = %#RX64\n", pVCpu->idCpu, pApicCpu->uApicBaseMsr));
|
---|
706 | LogRel(("APIC%u: uEsrInternal = %#RX64\n", pVCpu->idCpu, pApicCpu->uEsrInternal));
|
---|
707 |
|
---|
708 | /* The timer. */
|
---|
709 | LogRel(("APIC%u: u64TimerInitial = %#RU64\n", pVCpu->idCpu, pApicCpu->u64TimerInitial));
|
---|
710 | LogRel(("APIC%u: uHintedTimerInitialCount = %#RU64\n", pVCpu->idCpu, pApicCpu->uHintedTimerInitialCount));
|
---|
711 | LogRel(("APIC%u: uHintedTimerShift = %#RU64\n", pVCpu->idCpu, pApicCpu->uHintedTimerShift));
|
---|
712 |
|
---|
713 | PCXAPICPAGE pXApicPage = VMCPU_TO_CXAPICPAGE(pVCpu);
|
---|
714 | LogRel(("APIC%u: uTimerICR = %#RX32\n", pVCpu->idCpu, pXApicPage->timer_icr.u32InitialCount));
|
---|
715 | LogRel(("APIC%u: uTimerCCR = %#RX32\n", pVCpu->idCpu, pXApicPage->timer_ccr.u32CurrentCount));
|
---|
716 |
|
---|
717 | /* The PIBs. */
|
---|
718 | LogRel(("APIC%u: Edge PIB : %.*Rhxs\n", pVCpu->idCpu, sizeof(APICPIB), pApicCpu->pvApicPibR3));
|
---|
719 | LogRel(("APIC%u: Level PIB: %.*Rhxs\n", pVCpu->idCpu, sizeof(APICPIB), &pApicCpu->ApicPibLevel));
|
---|
720 |
|
---|
721 | /* The LINT0, LINT1 interrupt line active states. */
|
---|
722 | LogRel(("APIC%u: fActiveLint0 = %RTbool\n", pVCpu->idCpu, pApicCpu->fActiveLint0));
|
---|
723 | LogRel(("APIC%u: fActiveLint1 = %RTbool\n", pVCpu->idCpu, pApicCpu->fActiveLint1));
|
---|
724 |
|
---|
725 | /* The APIC page. */
|
---|
726 | LogRel(("APIC%u: APIC page: %.*Rhxs\n", pVCpu->idCpu, sizeof(XAPICPAGE), pApicCpu->pvApicPageR3));
|
---|
727 | break;
|
---|
728 | }
|
---|
729 |
|
---|
730 | case APIC_SAVED_STATE_VERSION_VBOX_50:
|
---|
731 | case APIC_SAVED_STATE_VERSION_VBOX_30:
|
---|
732 | case APIC_SAVED_STATE_VERSION_ANCIENT:
|
---|
733 | {
|
---|
734 | PCXAPICPAGE pXApicPage = VMCPU_TO_CXAPICPAGE(pVCpu);
|
---|
735 | LogRel(("APIC%u: uApicBaseMsr = %#RX32\n", pVCpu->idCpu, RT_LO_U32(pApicCpu->uApicBaseMsr)));
|
---|
736 | LogRel(("APIC%u: uId = %#RX32\n", pVCpu->idCpu, pXApicPage->id.u8ApicId));
|
---|
737 | LogRel(("APIC%u: uPhysId = N/A\n", pVCpu->idCpu));
|
---|
738 | LogRel(("APIC%u: uArbId = N/A\n", pVCpu->idCpu));
|
---|
739 | LogRel(("APIC%u: uTpr = %#RX32\n", pVCpu->idCpu, pXApicPage->tpr.u8Tpr));
|
---|
740 | LogRel(("APIC%u: uSvr = %#RX32\n", pVCpu->idCpu, pXApicPage->svr.all.u32Svr));
|
---|
741 | LogRel(("APIC%u: uLdr = %#x\n", pVCpu->idCpu, pXApicPage->ldr.all.u32Ldr));
|
---|
742 | LogRel(("APIC%u: uDfr = %#x\n", pVCpu->idCpu, pXApicPage->dfr.all.u32Dfr));
|
---|
743 |
|
---|
744 | for (size_t i = 0; i < 8; i++)
|
---|
745 | {
|
---|
746 | LogRel(("APIC%u: Isr[%u].u32Reg = %#RX32\n", pVCpu->idCpu, i, pXApicPage->isr.u[i].u32Reg));
|
---|
747 | LogRel(("APIC%u: Tmr[%u].u32Reg = %#RX32\n", pVCpu->idCpu, i, pXApicPage->tmr.u[i].u32Reg));
|
---|
748 | LogRel(("APIC%u: Irr[%u].u32Reg = %#RX32\n", pVCpu->idCpu, i, pXApicPage->irr.u[i].u32Reg));
|
---|
749 | }
|
---|
750 |
|
---|
751 | for (size_t i = 0; i < XAPIC_MAX_LVT_ENTRIES_P4; i++)
|
---|
752 | {
|
---|
753 | uint16_t const offReg = XAPIC_OFF_LVT_START + (i << 4);
|
---|
754 | LogRel(("APIC%u: Lvt[%u].u32Reg = %#RX32\n", pVCpu->idCpu, i, apicR3ReadRawR32(pXApicPage, offReg)));
|
---|
755 | }
|
---|
756 |
|
---|
757 | LogRel(("APIC%u: uEsr = %#RX32\n", pVCpu->idCpu, pXApicPage->esr.all.u32Errors));
|
---|
758 | LogRel(("APIC%u: uIcr_Lo = %#RX32\n", pVCpu->idCpu, pXApicPage->icr_lo.all.u32IcrLo));
|
---|
759 | LogRel(("APIC%u: uIcr_Hi = %#RX32\n", pVCpu->idCpu, pXApicPage->icr_hi.all.u32IcrHi));
|
---|
760 | LogRel(("APIC%u: uTimerDcr = %#RX32\n", pVCpu->idCpu, pXApicPage->timer_dcr.all.u32DivideValue));
|
---|
761 | LogRel(("APIC%u: uCountShift = %#RX32\n", pVCpu->idCpu, apicGetTimerShift(pXApicPage)));
|
---|
762 | LogRel(("APIC%u: uInitialCount = %#RX32\n", pVCpu->idCpu, pXApicPage->timer_icr.u32InitialCount));
|
---|
763 | LogRel(("APIC%u: u64InitialCountLoadTime = %#RX64\n", pVCpu->idCpu, pApicCpu->u64TimerInitial));
|
---|
764 | LogRel(("APIC%u: u64NextTime / TimerCCR = %#RX64\n", pVCpu->idCpu, pXApicPage->timer_ccr.u32CurrentCount));
|
---|
765 | break;
|
---|
766 | }
|
---|
767 |
|
---|
768 | default:
|
---|
769 | {
|
---|
770 | LogRel(("APIC: apicR3DumpState: Invalid/unrecognized saved-state version %u (%#x)\n", uVersion, uVersion));
|
---|
771 | break;
|
---|
772 | }
|
---|
773 | }
|
---|
774 | }
|
---|
775 |
|
---|
776 | #endif /* APIC_FUZZY_SSM_COMPAT_TEST */
|
---|
777 |
|
---|
778 | /**
|
---|
779 | * Worker for saving per-VM APIC data.
|
---|
780 | *
|
---|
781 | * @returns VBox status code.
|
---|
782 | * @param pDevIns The device instance.
|
---|
783 | * @param pVM The cross context VM structure.
|
---|
784 | * @param pSSM The SSM handle.
|
---|
785 | */
|
---|
786 | static int apicR3SaveVMData(PPDMDEVINS pDevIns, PVM pVM, PSSMHANDLE pSSM)
|
---|
787 | {
|
---|
788 | PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
|
---|
789 | PAPIC pApic = VM_TO_APIC(pVM);
|
---|
790 | pHlp->pfnSSMPutU32(pSSM, pVM->cCpus);
|
---|
791 | pHlp->pfnSSMPutBool(pSSM, pApic->fIoApicPresent);
|
---|
792 | return pHlp->pfnSSMPutU32(pSSM, pApic->enmMaxMode);
|
---|
793 | }
|
---|
794 |
|
---|
795 |
|
---|
796 | /**
|
---|
797 | * Worker for loading per-VM APIC data.
|
---|
798 | *
|
---|
799 | * @returns VBox status code.
|
---|
800 | * @param pDevIns The device instance.
|
---|
801 | * @param pVM The cross context VM structure.
|
---|
802 | * @param pSSM The SSM handle.
|
---|
803 | */
|
---|
804 | static int apicR3LoadVMData(PPDMDEVINS pDevIns, PVM pVM, PSSMHANDLE pSSM)
|
---|
805 | {
|
---|
806 | PAPIC pApic = VM_TO_APIC(pVM);
|
---|
807 | PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
|
---|
808 |
|
---|
809 | /* Load and verify number of CPUs. */
|
---|
810 | uint32_t cCpus;
|
---|
811 | int rc = pHlp->pfnSSMGetU32(pSSM, &cCpus);
|
---|
812 | AssertRCReturn(rc, rc);
|
---|
813 | if (cCpus != pVM->cCpus)
|
---|
814 | return pHlp->pfnSSMSetCfgError(pSSM, RT_SRC_POS, N_("Config mismatch - cCpus: saved=%u config=%u"), cCpus, pVM->cCpus);
|
---|
815 |
|
---|
816 | /* Load and verify I/O APIC presence. */
|
---|
817 | bool fIoApicPresent;
|
---|
818 | rc = pHlp->pfnSSMGetBool(pSSM, &fIoApicPresent);
|
---|
819 | AssertRCReturn(rc, rc);
|
---|
820 | if (fIoApicPresent != pApic->fIoApicPresent)
|
---|
821 | return pHlp->pfnSSMSetCfgError(pSSM, RT_SRC_POS, N_("Config mismatch - fIoApicPresent: saved=%RTbool config=%RTbool"),
|
---|
822 | fIoApicPresent, pApic->fIoApicPresent);
|
---|
823 |
|
---|
824 | /* Load and verify configured max APIC mode. */
|
---|
825 | uint32_t uSavedMaxApicMode;
|
---|
826 | rc = pHlp->pfnSSMGetU32(pSSM, &uSavedMaxApicMode);
|
---|
827 | AssertRCReturn(rc, rc);
|
---|
828 | if (uSavedMaxApicMode != (uint32_t)pApic->enmMaxMode)
|
---|
829 | return pHlp->pfnSSMSetCfgError(pSSM, RT_SRC_POS, N_("Config mismatch - uApicMode: saved=%u config=%u"),
|
---|
830 | uSavedMaxApicMode, pApic->enmMaxMode);
|
---|
831 | return VINF_SUCCESS;
|
---|
832 | }
|
---|
833 |
|
---|
834 |
|
---|
835 | /**
|
---|
836 | * Worker for loading per-VCPU APIC data for legacy (old) saved-states.
|
---|
837 | *
|
---|
838 | * @returns VBox status code.
|
---|
839 | * @param pDevIns The device instance.
|
---|
840 | * @param pVCpu The cross context virtual CPU structure.
|
---|
841 | * @param pSSM The SSM handle.
|
---|
842 | * @param uVersion Data layout version.
|
---|
843 | */
|
---|
844 | static int apicR3LoadLegacyVCpuData(PPDMDEVINS pDevIns, PVMCPU pVCpu, PSSMHANDLE pSSM, uint32_t uVersion)
|
---|
845 | {
|
---|
846 | AssertReturn(uVersion <= APIC_SAVED_STATE_VERSION_VBOX_50, VERR_NOT_SUPPORTED);
|
---|
847 |
|
---|
848 | PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
|
---|
849 | PAPICCPU pApicCpu = VMCPU_TO_APICCPU(pVCpu);
|
---|
850 | PXAPICPAGE pXApicPage = VMCPU_TO_XAPICPAGE(pVCpu);
|
---|
851 |
|
---|
852 | uint32_t uApicBaseLo;
|
---|
853 | int rc = pHlp->pfnSSMGetU32(pSSM, &uApicBaseLo);
|
---|
854 | AssertRCReturn(rc, rc);
|
---|
855 | pApicCpu->uApicBaseMsr = uApicBaseLo;
|
---|
856 | Log2(("APIC%u: apicR3LoadLegacyVCpuData: uApicBaseMsr=%#RX64\n", pVCpu->idCpu, pApicCpu->uApicBaseMsr));
|
---|
857 |
|
---|
858 | switch (uVersion)
|
---|
859 | {
|
---|
860 | case APIC_SAVED_STATE_VERSION_VBOX_50:
|
---|
861 | case APIC_SAVED_STATE_VERSION_VBOX_30:
|
---|
862 | {
|
---|
863 | uint32_t uApicId, uPhysApicId, uArbId;
|
---|
864 | pHlp->pfnSSMGetU32(pSSM, &uApicId); pXApicPage->id.u8ApicId = uApicId;
|
---|
865 | pHlp->pfnSSMGetU32(pSSM, &uPhysApicId); NOREF(uPhysApicId); /* PhysId == pVCpu->idCpu */
|
---|
866 | pHlp->pfnSSMGetU32(pSSM, &uArbId); NOREF(uArbId); /* ArbID is & was unused. */
|
---|
867 | break;
|
---|
868 | }
|
---|
869 |
|
---|
870 | case APIC_SAVED_STATE_VERSION_ANCIENT:
|
---|
871 | {
|
---|
872 | uint8_t uPhysApicId;
|
---|
873 | pHlp->pfnSSMGetU8(pSSM, &pXApicPage->id.u8ApicId);
|
---|
874 | pHlp->pfnSSMGetU8(pSSM, &uPhysApicId); NOREF(uPhysApicId); /* PhysId == pVCpu->idCpu */
|
---|
875 | break;
|
---|
876 | }
|
---|
877 |
|
---|
878 | default:
|
---|
879 | return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
|
---|
880 | }
|
---|
881 |
|
---|
882 | uint32_t u32Tpr;
|
---|
883 | pHlp->pfnSSMGetU32(pSSM, &u32Tpr);
|
---|
884 | pXApicPage->tpr.u8Tpr = u32Tpr & XAPIC_TPR_VALID;
|
---|
885 |
|
---|
886 | pHlp->pfnSSMGetU32(pSSM, &pXApicPage->svr.all.u32Svr);
|
---|
887 | pHlp->pfnSSMGetU8(pSSM, &pXApicPage->ldr.u.u8LogicalApicId);
|
---|
888 |
|
---|
889 | uint8_t uDfr;
|
---|
890 | pHlp->pfnSSMGetU8(pSSM, &uDfr);
|
---|
891 | pXApicPage->dfr.u.u4Model = uDfr >> 4;
|
---|
892 |
|
---|
893 | AssertCompile(RT_ELEMENTS(pXApicPage->isr.u) == 8);
|
---|
894 | AssertCompile(RT_ELEMENTS(pXApicPage->tmr.u) == 8);
|
---|
895 | AssertCompile(RT_ELEMENTS(pXApicPage->irr.u) == 8);
|
---|
896 | for (size_t i = 0; i < 8; i++)
|
---|
897 | {
|
---|
898 | pHlp->pfnSSMGetU32(pSSM, &pXApicPage->isr.u[i].u32Reg);
|
---|
899 | pHlp->pfnSSMGetU32(pSSM, &pXApicPage->tmr.u[i].u32Reg);
|
---|
900 | pHlp->pfnSSMGetU32(pSSM, &pXApicPage->irr.u[i].u32Reg);
|
---|
901 | }
|
---|
902 |
|
---|
903 | pHlp->pfnSSMGetU32(pSSM, &pXApicPage->lvt_timer.all.u32LvtTimer);
|
---|
904 | pHlp->pfnSSMGetU32(pSSM, &pXApicPage->lvt_thermal.all.u32LvtThermal);
|
---|
905 | pHlp->pfnSSMGetU32(pSSM, &pXApicPage->lvt_perf.all.u32LvtPerf);
|
---|
906 | pHlp->pfnSSMGetU32(pSSM, &pXApicPage->lvt_lint0.all.u32LvtLint0);
|
---|
907 | pHlp->pfnSSMGetU32(pSSM, &pXApicPage->lvt_lint1.all.u32LvtLint1);
|
---|
908 | pHlp->pfnSSMGetU32(pSSM, &pXApicPage->lvt_error.all.u32LvtError);
|
---|
909 |
|
---|
910 | pHlp->pfnSSMGetU32(pSSM, &pXApicPage->esr.all.u32Errors);
|
---|
911 | pHlp->pfnSSMGetU32(pSSM, &pXApicPage->icr_lo.all.u32IcrLo);
|
---|
912 | pHlp->pfnSSMGetU32(pSSM, &pXApicPage->icr_hi.all.u32IcrHi);
|
---|
913 |
|
---|
914 | uint32_t u32TimerShift;
|
---|
915 | pHlp->pfnSSMGetU32(pSSM, &pXApicPage->timer_dcr.all.u32DivideValue);
|
---|
916 | pHlp->pfnSSMGetU32(pSSM, &u32TimerShift);
|
---|
917 | /*
|
---|
918 | * Old implementation may have left the timer shift uninitialized until
|
---|
919 | * the timer configuration register was written. Unfortunately zero is
|
---|
920 | * also a valid timer shift value, so we're just going to ignore it
|
---|
921 | * completely. The shift count can always be derived from the DCR.
|
---|
922 | * See @bugref{8245#c98}.
|
---|
923 | */
|
---|
924 | uint8_t const uTimerShift = apicGetTimerShift(pXApicPage);
|
---|
925 |
|
---|
926 | pHlp->pfnSSMGetU32(pSSM, &pXApicPage->timer_icr.u32InitialCount);
|
---|
927 | pHlp->pfnSSMGetU64(pSSM, &pApicCpu->u64TimerInitial);
|
---|
928 | uint64_t uNextTS;
|
---|
929 | rc = pHlp->pfnSSMGetU64(pSSM, &uNextTS); AssertRCReturn(rc, rc);
|
---|
930 | if (uNextTS >= pApicCpu->u64TimerInitial + ((pXApicPage->timer_icr.u32InitialCount + 1) << uTimerShift))
|
---|
931 | pXApicPage->timer_ccr.u32CurrentCount = pXApicPage->timer_icr.u32InitialCount;
|
---|
932 |
|
---|
933 | rc = PDMDevHlpTimerLoad(pDevIns, pApicCpu->hTimer, pSSM);
|
---|
934 | AssertRCReturn(rc, rc);
|
---|
935 | Assert(pApicCpu->uHintedTimerInitialCount == 0);
|
---|
936 | Assert(pApicCpu->uHintedTimerShift == 0);
|
---|
937 | if (PDMDevHlpTimerIsActive(pDevIns, pApicCpu->hTimer))
|
---|
938 | {
|
---|
939 | uint32_t const uInitialCount = pXApicPage->timer_icr.u32InitialCount;
|
---|
940 | apicHintTimerFreq(pDevIns, pApicCpu, uInitialCount, uTimerShift);
|
---|
941 | }
|
---|
942 |
|
---|
943 | return rc;
|
---|
944 | }
|
---|
945 |
|
---|
946 |
|
---|
947 | /**
|
---|
948 | * @copydoc FNSSMDEVSAVEEXEC
|
---|
949 | */
|
---|
950 | static DECLCALLBACK(int) apicR3SaveExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
|
---|
951 | {
|
---|
952 | PVM pVM = PDMDevHlpGetVM(pDevIns);
|
---|
953 | PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
|
---|
954 |
|
---|
955 | AssertReturn(pVM, VERR_INVALID_VM_HANDLE);
|
---|
956 |
|
---|
957 | LogFlow(("APIC: apicR3SaveExec\n"));
|
---|
958 |
|
---|
959 | /* Save per-VM data. */
|
---|
960 | int rc = apicR3SaveVMData(pDevIns, pVM, pSSM);
|
---|
961 | AssertRCReturn(rc, rc);
|
---|
962 |
|
---|
963 | /* Save per-VCPU data.*/
|
---|
964 | for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
|
---|
965 | {
|
---|
966 | PVMCPU pVCpu = pVM->apCpusR3[idCpu];
|
---|
967 | PCAPICCPU pApicCpu = VMCPU_TO_APICCPU(pVCpu);
|
---|
968 |
|
---|
969 | /* Update interrupts from the pending-interrupts bitmaps to the IRR. */
|
---|
970 | APICUpdatePendingInterrupts(pVCpu);
|
---|
971 |
|
---|
972 | /* Save the auxiliary data. */
|
---|
973 | pHlp->pfnSSMPutU64(pSSM, pApicCpu->uApicBaseMsr);
|
---|
974 | pHlp->pfnSSMPutU32(pSSM, pApicCpu->uEsrInternal);
|
---|
975 |
|
---|
976 | /* Save the APIC page. */
|
---|
977 | if (XAPIC_IN_X2APIC_MODE(pVCpu))
|
---|
978 | pHlp->pfnSSMPutStruct(pSSM, (const void *)pApicCpu->pvApicPageR3, &g_aX2ApicPageFields[0]);
|
---|
979 | else
|
---|
980 | pHlp->pfnSSMPutStruct(pSSM, (const void *)pApicCpu->pvApicPageR3, &g_aXApicPageFields[0]);
|
---|
981 |
|
---|
982 | /* Save the timer. */
|
---|
983 | pHlp->pfnSSMPutU64(pSSM, pApicCpu->u64TimerInitial);
|
---|
984 | PDMDevHlpTimerSave(pDevIns, pApicCpu->hTimer, pSSM);
|
---|
985 |
|
---|
986 | /* Save the LINT0, LINT1 interrupt line states. */
|
---|
987 | pHlp->pfnSSMPutBool(pSSM, pApicCpu->fActiveLint0);
|
---|
988 | pHlp->pfnSSMPutBool(pSSM, pApicCpu->fActiveLint1);
|
---|
989 |
|
---|
990 | #if defined(APIC_FUZZY_SSM_COMPAT_TEST) || defined(DEBUG_ramshankar)
|
---|
991 | apicR3DumpState(pVCpu, "Saved state", APIC_SAVED_STATE_VERSION);
|
---|
992 | #endif
|
---|
993 | }
|
---|
994 |
|
---|
995 | #ifdef APIC_FUZZY_SSM_COMPAT_TEST
|
---|
996 | /* The state is fuzzy, don't even bother trying to load the guest. */
|
---|
997 | return VERR_INVALID_STATE;
|
---|
998 | #else
|
---|
999 | return rc;
|
---|
1000 | #endif
|
---|
1001 | }
|
---|
1002 |
|
---|
1003 |
|
---|
1004 | /**
|
---|
1005 | * @copydoc FNSSMDEVLOADEXEC
|
---|
1006 | */
|
---|
1007 | static DECLCALLBACK(int) apicR3LoadExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass)
|
---|
1008 | {
|
---|
1009 | PVM pVM = PDMDevHlpGetVM(pDevIns);
|
---|
1010 | PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
|
---|
1011 |
|
---|
1012 | AssertReturn(pVM, VERR_INVALID_VM_HANDLE);
|
---|
1013 | AssertReturn(uPass == SSM_PASS_FINAL, VERR_WRONG_ORDER);
|
---|
1014 |
|
---|
1015 | LogFlow(("APIC: apicR3LoadExec: uVersion=%u uPass=%#x\n", uVersion, uPass));
|
---|
1016 |
|
---|
1017 | /* Weed out invalid versions. */
|
---|
1018 | if ( uVersion != APIC_SAVED_STATE_VERSION
|
---|
1019 | && uVersion != APIC_SAVED_STATE_VERSION_VBOX_51_BETA2
|
---|
1020 | && uVersion != APIC_SAVED_STATE_VERSION_VBOX_50
|
---|
1021 | && uVersion != APIC_SAVED_STATE_VERSION_VBOX_30
|
---|
1022 | && uVersion != APIC_SAVED_STATE_VERSION_ANCIENT)
|
---|
1023 | {
|
---|
1024 | LogRel(("APIC: apicR3LoadExec: Invalid/unrecognized saved-state version %u (%#x)\n", uVersion, uVersion));
|
---|
1025 | return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
|
---|
1026 | }
|
---|
1027 |
|
---|
1028 | int rc = VINF_SUCCESS;
|
---|
1029 | if (uVersion > APIC_SAVED_STATE_VERSION_VBOX_30)
|
---|
1030 | {
|
---|
1031 | rc = apicR3LoadVMData(pDevIns, pVM, pSSM);
|
---|
1032 | AssertRCReturn(rc, rc);
|
---|
1033 |
|
---|
1034 | if (uVersion == APIC_SAVED_STATE_VERSION)
|
---|
1035 | { /* Load any new additional per-VM data. */ }
|
---|
1036 | }
|
---|
1037 |
|
---|
1038 | /*
|
---|
1039 | * Restore per CPU state.
|
---|
1040 | *
|
---|
1041 | * Note! PDM will restore the VMCPU_FF_INTERRUPT_APIC flag for us.
|
---|
1042 | * This code doesn't touch it. No devices should make us touch
|
---|
1043 | * it later during the restore either, only during the 'done' phase.
|
---|
1044 | */
|
---|
1045 | for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
|
---|
1046 | {
|
---|
1047 | PVMCPU pVCpu = pVM->apCpusR3[idCpu];
|
---|
1048 | PAPICCPU pApicCpu = VMCPU_TO_APICCPU(pVCpu);
|
---|
1049 |
|
---|
1050 | if (uVersion > APIC_SAVED_STATE_VERSION_VBOX_50)
|
---|
1051 | {
|
---|
1052 | /* Load the auxiliary data. */
|
---|
1053 | pHlp->pfnSSMGetU64V(pSSM, &pApicCpu->uApicBaseMsr);
|
---|
1054 | pHlp->pfnSSMGetU32(pSSM, &pApicCpu->uEsrInternal);
|
---|
1055 |
|
---|
1056 | /* Load the APIC page. */
|
---|
1057 | if (XAPIC_IN_X2APIC_MODE(pVCpu))
|
---|
1058 | pHlp->pfnSSMGetStruct(pSSM, pApicCpu->pvApicPageR3, &g_aX2ApicPageFields[0]);
|
---|
1059 | else
|
---|
1060 | pHlp->pfnSSMGetStruct(pSSM, pApicCpu->pvApicPageR3, &g_aXApicPageFields[0]);
|
---|
1061 |
|
---|
1062 | /* Load the timer. */
|
---|
1063 | rc = pHlp->pfnSSMGetU64(pSSM, &pApicCpu->u64TimerInitial); AssertRCReturn(rc, rc);
|
---|
1064 | rc = PDMDevHlpTimerLoad(pDevIns, pApicCpu->hTimer, pSSM); AssertRCReturn(rc, rc);
|
---|
1065 | Assert(pApicCpu->uHintedTimerShift == 0);
|
---|
1066 | Assert(pApicCpu->uHintedTimerInitialCount == 0);
|
---|
1067 | if (PDMDevHlpTimerIsActive(pDevIns, pApicCpu->hTimer))
|
---|
1068 | {
|
---|
1069 | PCXAPICPAGE pXApicPage = VMCPU_TO_CXAPICPAGE(pVCpu);
|
---|
1070 | uint32_t const uInitialCount = pXApicPage->timer_icr.u32InitialCount;
|
---|
1071 | uint8_t const uTimerShift = apicGetTimerShift(pXApicPage);
|
---|
1072 | apicHintTimerFreq(pDevIns, pApicCpu, uInitialCount, uTimerShift);
|
---|
1073 | }
|
---|
1074 |
|
---|
1075 | /* Load the LINT0, LINT1 interrupt line states. */
|
---|
1076 | if (uVersion > APIC_SAVED_STATE_VERSION_VBOX_51_BETA2)
|
---|
1077 | {
|
---|
1078 | pHlp->pfnSSMGetBoolV(pSSM, &pApicCpu->fActiveLint0);
|
---|
1079 | pHlp->pfnSSMGetBoolV(pSSM, &pApicCpu->fActiveLint1);
|
---|
1080 | }
|
---|
1081 | }
|
---|
1082 | else
|
---|
1083 | {
|
---|
1084 | rc = apicR3LoadLegacyVCpuData(pDevIns, pVCpu, pSSM, uVersion);
|
---|
1085 | AssertRCReturn(rc, rc);
|
---|
1086 | }
|
---|
1087 |
|
---|
1088 | /*
|
---|
1089 | * Check that we're still good wrt restored data, then tell CPUM about the current CPUID[1].EDX[9] visibility.
|
---|
1090 | */
|
---|
1091 | rc = pHlp->pfnSSMHandleGetStatus(pSSM);
|
---|
1092 | AssertRCReturn(rc, rc);
|
---|
1093 | CPUMSetGuestCpuIdPerCpuApicFeature(pVCpu, RT_BOOL(pApicCpu->uApicBaseMsr & MSR_IA32_APICBASE_EN));
|
---|
1094 |
|
---|
1095 | #if defined(APIC_FUZZY_SSM_COMPAT_TEST) || defined(DEBUG_ramshankar)
|
---|
1096 | apicR3DumpState(pVCpu, "Loaded state", uVersion);
|
---|
1097 | #endif
|
---|
1098 | }
|
---|
1099 |
|
---|
1100 | return rc;
|
---|
1101 | }
|
---|
1102 |
|
---|
1103 |
|
---|
1104 | /**
|
---|
1105 | * @callback_method_impl{FNTMTIMERDEV}
|
---|
1106 | *
|
---|
1107 | * @note pvUser points to the VMCPU.
|
---|
1108 | *
|
---|
1109 | * @remarks Currently this function is invoked on the last EMT, see @c
|
---|
1110 | * idTimerCpu in tmR3TimerCallback(). However, the code does -not-
|
---|
1111 | * rely on this and is designed to work with being invoked on any
|
---|
1112 | * thread.
|
---|
1113 | */
|
---|
1114 | static DECLCALLBACK(void) apicR3TimerCallback(PPDMDEVINS pDevIns, PTMTIMER pTimer, void *pvUser)
|
---|
1115 | {
|
---|
1116 | PVMCPU pVCpu = (PVMCPU)pvUser;
|
---|
1117 | PAPICCPU pApicCpu = VMCPU_TO_APICCPU(pVCpu);
|
---|
1118 | Assert(PDMDevHlpTimerIsLockOwner(pDevIns, pApicCpu->hTimer));
|
---|
1119 | Assert(pVCpu);
|
---|
1120 | LogFlow(("APIC%u: apicR3TimerCallback\n", pVCpu->idCpu));
|
---|
1121 | RT_NOREF(pDevIns, pTimer, pApicCpu);
|
---|
1122 |
|
---|
1123 | PXAPICPAGE pXApicPage = VMCPU_TO_XAPICPAGE(pVCpu);
|
---|
1124 | uint32_t const uLvtTimer = pXApicPage->lvt_timer.all.u32LvtTimer;
|
---|
1125 | #ifdef VBOX_WITH_STATISTICS
|
---|
1126 | STAM_COUNTER_INC(&pApicCpu->StatTimerCallback);
|
---|
1127 | #endif
|
---|
1128 | if (!XAPIC_LVT_IS_MASKED(uLvtTimer))
|
---|
1129 | {
|
---|
1130 | uint8_t uVector = XAPIC_LVT_GET_VECTOR(uLvtTimer);
|
---|
1131 | Log2(("APIC%u: apicR3TimerCallback: Raising timer interrupt. uVector=%#x\n", pVCpu->idCpu, uVector));
|
---|
1132 | apicPostInterrupt(pVCpu, uVector, XAPICTRIGGERMODE_EDGE, 0 /* uSrcTag */);
|
---|
1133 | }
|
---|
1134 |
|
---|
1135 | XAPICTIMERMODE enmTimerMode = XAPIC_LVT_GET_TIMER_MODE(uLvtTimer);
|
---|
1136 | switch (enmTimerMode)
|
---|
1137 | {
|
---|
1138 | case XAPICTIMERMODE_PERIODIC:
|
---|
1139 | {
|
---|
1140 | /* The initial-count register determines if the periodic timer is re-armed. */
|
---|
1141 | uint32_t const uInitialCount = pXApicPage->timer_icr.u32InitialCount;
|
---|
1142 | pXApicPage->timer_ccr.u32CurrentCount = uInitialCount;
|
---|
1143 | if (uInitialCount)
|
---|
1144 | {
|
---|
1145 | Log2(("APIC%u: apicR3TimerCallback: Re-arming timer. uInitialCount=%#RX32\n", pVCpu->idCpu, uInitialCount));
|
---|
1146 | apicStartTimer(pVCpu, uInitialCount);
|
---|
1147 | }
|
---|
1148 | break;
|
---|
1149 | }
|
---|
1150 |
|
---|
1151 | case XAPICTIMERMODE_ONESHOT:
|
---|
1152 | {
|
---|
1153 | pXApicPage->timer_ccr.u32CurrentCount = 0;
|
---|
1154 | break;
|
---|
1155 | }
|
---|
1156 |
|
---|
1157 | case XAPICTIMERMODE_TSC_DEADLINE:
|
---|
1158 | {
|
---|
1159 | /** @todo implement TSC deadline. */
|
---|
1160 | AssertMsgFailed(("APIC: TSC deadline mode unimplemented\n"));
|
---|
1161 | break;
|
---|
1162 | }
|
---|
1163 | }
|
---|
1164 | }
|
---|
1165 |
|
---|
1166 |
|
---|
1167 | /**
|
---|
1168 | * @interface_method_impl{PDMDEVREG,pfnReset}
|
---|
1169 | */
|
---|
1170 | DECLCALLBACK(void) apicR3Reset(PPDMDEVINS pDevIns)
|
---|
1171 | {
|
---|
1172 | PVM pVM = PDMDevHlpGetVM(pDevIns);
|
---|
1173 | VM_ASSERT_EMT0(pVM);
|
---|
1174 | VM_ASSERT_IS_NOT_RUNNING(pVM);
|
---|
1175 |
|
---|
1176 | LogFlow(("APIC: apicR3Reset\n"));
|
---|
1177 |
|
---|
1178 | for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
|
---|
1179 | {
|
---|
1180 | PVMCPU pVCpuDest = pVM->apCpusR3[idCpu];
|
---|
1181 | PAPICCPU pApicCpu = VMCPU_TO_APICCPU(pVCpuDest);
|
---|
1182 |
|
---|
1183 | if (PDMDevHlpTimerIsActive(pDevIns, pApicCpu->hTimer))
|
---|
1184 | PDMDevHlpTimerStop(pDevIns, pApicCpu->hTimer);
|
---|
1185 |
|
---|
1186 | apicResetCpu(pVCpuDest, true /* fResetApicBaseMsr */);
|
---|
1187 |
|
---|
1188 | /* Clear the interrupt pending force flag. */
|
---|
1189 | apicClearInterruptFF(pVCpuDest, PDMAPICIRQ_HARDWARE);
|
---|
1190 | }
|
---|
1191 | }
|
---|
1192 |
|
---|
1193 |
|
---|
1194 | /**
|
---|
1195 | * @interface_method_impl{PDMDEVREG,pfnRelocate}
|
---|
1196 | */
|
---|
1197 | DECLCALLBACK(void) apicR3Relocate(PPDMDEVINS pDevIns, RTGCINTPTR offDelta)
|
---|
1198 | {
|
---|
1199 | RT_NOREF(pDevIns, offDelta);
|
---|
1200 | }
|
---|
1201 |
|
---|
1202 |
|
---|
1203 | /**
|
---|
1204 | * Terminates the APIC state.
|
---|
1205 | *
|
---|
1206 | * @param pVM The cross context VM structure.
|
---|
1207 | */
|
---|
1208 | static void apicR3TermState(PVM pVM)
|
---|
1209 | {
|
---|
1210 | PAPIC pApic = VM_TO_APIC(pVM);
|
---|
1211 | LogFlow(("APIC: apicR3TermState: pVM=%p\n", pVM));
|
---|
1212 |
|
---|
1213 | /* Unmap and free the PIB. */
|
---|
1214 | if (pApic->pvApicPibR3 != NIL_RTR3PTR)
|
---|
1215 | {
|
---|
1216 | size_t const cPages = pApic->cbApicPib >> PAGE_SHIFT;
|
---|
1217 | if (cPages == 1)
|
---|
1218 | SUPR3PageFreeEx(pApic->pvApicPibR3, cPages);
|
---|
1219 | else
|
---|
1220 | SUPR3ContFree(pApic->pvApicPibR3, cPages);
|
---|
1221 | pApic->pvApicPibR3 = NIL_RTR3PTR;
|
---|
1222 | pApic->pvApicPibR0 = NIL_RTR0PTR;
|
---|
1223 | }
|
---|
1224 |
|
---|
1225 | /* Unmap and free the virtual-APIC pages. */
|
---|
1226 | for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
|
---|
1227 | {
|
---|
1228 | PVMCPU pVCpu = pVM->apCpusR3[idCpu];
|
---|
1229 | PAPICCPU pApicCpu = VMCPU_TO_APICCPU(pVCpu);
|
---|
1230 |
|
---|
1231 | pApicCpu->pvApicPibR3 = NIL_RTR3PTR;
|
---|
1232 | pApicCpu->pvApicPibR0 = NIL_RTR0PTR;
|
---|
1233 |
|
---|
1234 | if (pApicCpu->pvApicPageR3 != NIL_RTR3PTR)
|
---|
1235 | {
|
---|
1236 | SUPR3PageFreeEx(pApicCpu->pvApicPageR3, 1 /* cPages */);
|
---|
1237 | pApicCpu->pvApicPageR3 = NIL_RTR3PTR;
|
---|
1238 | pApicCpu->pvApicPageR0 = NIL_RTR0PTR;
|
---|
1239 | }
|
---|
1240 | }
|
---|
1241 | }
|
---|
1242 |
|
---|
1243 |
|
---|
1244 | /**
|
---|
1245 | * Initializes the APIC state.
|
---|
1246 | *
|
---|
1247 | * @returns VBox status code.
|
---|
1248 | * @param pVM The cross context VM structure.
|
---|
1249 | */
|
---|
1250 | static int apicR3InitState(PVM pVM)
|
---|
1251 | {
|
---|
1252 | PAPIC pApic = VM_TO_APIC(pVM);
|
---|
1253 | LogFlow(("APIC: apicR3InitState: pVM=%p\n", pVM));
|
---|
1254 |
|
---|
1255 | /*
|
---|
1256 | * Allocate and map the pending-interrupt bitmap (PIB).
|
---|
1257 | *
|
---|
1258 | * We allocate all the VCPUs' PIBs contiguously in order to save space as
|
---|
1259 | * physically contiguous allocations are rounded to a multiple of page size.
|
---|
1260 | */
|
---|
1261 | Assert(pApic->pvApicPibR3 == NIL_RTR3PTR);
|
---|
1262 | Assert(pApic->pvApicPibR0 == NIL_RTR0PTR);
|
---|
1263 | pApic->cbApicPib = RT_ALIGN_Z(pVM->cCpus * sizeof(APICPIB), PAGE_SIZE);
|
---|
1264 | size_t const cPages = pApic->cbApicPib >> PAGE_SHIFT;
|
---|
1265 | if (cPages == 1)
|
---|
1266 | {
|
---|
1267 | SUPPAGE SupApicPib;
|
---|
1268 | RT_ZERO(SupApicPib);
|
---|
1269 | SupApicPib.Phys = NIL_RTHCPHYS;
|
---|
1270 | int rc = SUPR3PageAllocEx(1 /* cPages */, 0 /* fFlags */, &pApic->pvApicPibR3, &pApic->pvApicPibR0, &SupApicPib);
|
---|
1271 | if (RT_SUCCESS(rc))
|
---|
1272 | {
|
---|
1273 | pApic->HCPhysApicPib = SupApicPib.Phys;
|
---|
1274 | AssertLogRelReturn(pApic->pvApicPibR3, VERR_INTERNAL_ERROR);
|
---|
1275 | }
|
---|
1276 | else
|
---|
1277 | {
|
---|
1278 | LogRel(("APIC: Failed to allocate %u bytes for the pending-interrupt bitmap, rc=%Rrc\n", pApic->cbApicPib, rc));
|
---|
1279 | return rc;
|
---|
1280 | }
|
---|
1281 | }
|
---|
1282 | else
|
---|
1283 | pApic->pvApicPibR3 = SUPR3ContAlloc(cPages, &pApic->pvApicPibR0, &pApic->HCPhysApicPib);
|
---|
1284 |
|
---|
1285 | if (pApic->pvApicPibR3)
|
---|
1286 | {
|
---|
1287 | AssertLogRelReturn(pApic->pvApicPibR0 != NIL_RTR0PTR, VERR_INTERNAL_ERROR);
|
---|
1288 | AssertLogRelReturn(pApic->HCPhysApicPib != NIL_RTHCPHYS, VERR_INTERNAL_ERROR);
|
---|
1289 |
|
---|
1290 | /* Initialize the PIB. */
|
---|
1291 | RT_BZERO(pApic->pvApicPibR3, pApic->cbApicPib);
|
---|
1292 |
|
---|
1293 | /*
|
---|
1294 | * Allocate the map the virtual-APIC pages.
|
---|
1295 | */
|
---|
1296 | for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
|
---|
1297 | {
|
---|
1298 | PVMCPU pVCpu = pVM->apCpusR3[idCpu];
|
---|
1299 | PAPICCPU pApicCpu = VMCPU_TO_APICCPU(pVCpu);
|
---|
1300 |
|
---|
1301 | SUPPAGE SupApicPage;
|
---|
1302 | RT_ZERO(SupApicPage);
|
---|
1303 | SupApicPage.Phys = NIL_RTHCPHYS;
|
---|
1304 |
|
---|
1305 | Assert(pVCpu->idCpu == idCpu);
|
---|
1306 | Assert(pApicCpu->pvApicPageR3 == NIL_RTR3PTR);
|
---|
1307 | Assert(pApicCpu->pvApicPageR0 == NIL_RTR0PTR);
|
---|
1308 | AssertCompile(sizeof(XAPICPAGE) == PAGE_SIZE);
|
---|
1309 | pApicCpu->cbApicPage = sizeof(XAPICPAGE);
|
---|
1310 | int rc = SUPR3PageAllocEx(1 /* cPages */, 0 /* fFlags */, &pApicCpu->pvApicPageR3, &pApicCpu->pvApicPageR0,
|
---|
1311 | &SupApicPage);
|
---|
1312 | if (RT_SUCCESS(rc))
|
---|
1313 | {
|
---|
1314 | AssertLogRelReturn(pApicCpu->pvApicPageR3 != NIL_RTR3PTR, VERR_INTERNAL_ERROR);
|
---|
1315 | AssertLogRelReturn(pApicCpu->HCPhysApicPage != NIL_RTHCPHYS, VERR_INTERNAL_ERROR);
|
---|
1316 | pApicCpu->HCPhysApicPage = SupApicPage.Phys;
|
---|
1317 |
|
---|
1318 | /* Associate the per-VCPU PIB pointers to the per-VM PIB mapping. */
|
---|
1319 | uint32_t const offApicPib = idCpu * sizeof(APICPIB);
|
---|
1320 | pApicCpu->pvApicPibR0 = (RTR0PTR)((RTR0UINTPTR)pApic->pvApicPibR0 + offApicPib);
|
---|
1321 | pApicCpu->pvApicPibR3 = (RTR3PTR)((RTR3UINTPTR)pApic->pvApicPibR3 + offApicPib);
|
---|
1322 |
|
---|
1323 | /* Initialize the virtual-APIC state. */
|
---|
1324 | RT_BZERO(pApicCpu->pvApicPageR3, pApicCpu->cbApicPage);
|
---|
1325 | apicResetCpu(pVCpu, true /* fResetApicBaseMsr */);
|
---|
1326 |
|
---|
1327 | #ifdef DEBUG_ramshankar
|
---|
1328 | Assert(pApicCpu->pvApicPibR3 != NIL_RTR3PTR);
|
---|
1329 | Assert(pApicCpu->pvApicPibR0 != NIL_RTR0PTR);
|
---|
1330 | Assert(pApicCpu->pvApicPageR3 != NIL_RTR3PTR);
|
---|
1331 | #endif
|
---|
1332 | }
|
---|
1333 | else
|
---|
1334 | {
|
---|
1335 | LogRel(("APIC%u: Failed to allocate %u bytes for the virtual-APIC page, rc=%Rrc\n", idCpu, pApicCpu->cbApicPage, rc));
|
---|
1336 | apicR3TermState(pVM);
|
---|
1337 | return rc;
|
---|
1338 | }
|
---|
1339 | }
|
---|
1340 |
|
---|
1341 | #ifdef DEBUG_ramshankar
|
---|
1342 | Assert(pApic->pvApicPibR3 != NIL_RTR3PTR);
|
---|
1343 | Assert(pApic->pvApicPibR0 != NIL_RTR0PTR);
|
---|
1344 | #endif
|
---|
1345 | return VINF_SUCCESS;
|
---|
1346 | }
|
---|
1347 |
|
---|
1348 | LogRel(("APIC: Failed to allocate %u bytes of physically contiguous memory for the pending-interrupt bitmap\n",
|
---|
1349 | pApic->cbApicPib));
|
---|
1350 | return VERR_NO_MEMORY;
|
---|
1351 | }
|
---|
1352 |
|
---|
1353 |
|
---|
1354 | /**
|
---|
1355 | * @interface_method_impl{PDMDEVREG,pfnDestruct}
|
---|
1356 | */
|
---|
1357 | DECLCALLBACK(int) apicR3Destruct(PPDMDEVINS pDevIns)
|
---|
1358 | {
|
---|
1359 | PDMDEV_CHECK_VERSIONS_RETURN_QUIET(pDevIns);
|
---|
1360 | PVM pVM = PDMDevHlpGetVM(pDevIns);
|
---|
1361 | LogFlow(("APIC: apicR3Destruct: pVM=%p\n", pVM));
|
---|
1362 |
|
---|
1363 | apicR3TermState(pVM);
|
---|
1364 | return VINF_SUCCESS;
|
---|
1365 | }
|
---|
1366 |
|
---|
1367 |
|
---|
1368 | /**
|
---|
1369 | * @interface_method_impl{PDMDEVREG,pfnInitComplete}
|
---|
1370 | */
|
---|
1371 | DECLCALLBACK(int) apicR3InitComplete(PPDMDEVINS pDevIns)
|
---|
1372 | {
|
---|
1373 | PVM pVM = PDMDevHlpGetVM(pDevIns);
|
---|
1374 | PAPIC pApic = VM_TO_APIC(pVM);
|
---|
1375 |
|
---|
1376 | /*
|
---|
1377 | * Init APIC settings that rely on HM and CPUM configurations.
|
---|
1378 | */
|
---|
1379 | CPUMCPUIDLEAF CpuLeaf;
|
---|
1380 | int rc = CPUMR3CpuIdGetLeaf(pVM, &CpuLeaf, 1, 0);
|
---|
1381 | AssertRCReturn(rc, rc);
|
---|
1382 |
|
---|
1383 | pApic->fSupportsTscDeadline = RT_BOOL(CpuLeaf.uEcx & X86_CPUID_FEATURE_ECX_TSCDEADL);
|
---|
1384 | pApic->fPostedIntrsEnabled = HMR3IsPostedIntrsEnabled(pVM->pUVM);
|
---|
1385 | pApic->fVirtApicRegsEnabled = HMR3IsVirtApicRegsEnabled(pVM->pUVM);
|
---|
1386 |
|
---|
1387 | LogRel(("APIC: fPostedIntrsEnabled=%RTbool fVirtApicRegsEnabled=%RTbool fSupportsTscDeadline=%RTbool\n",
|
---|
1388 | pApic->fPostedIntrsEnabled, pApic->fVirtApicRegsEnabled, pApic->fSupportsTscDeadline));
|
---|
1389 |
|
---|
1390 | return VINF_SUCCESS;
|
---|
1391 | }
|
---|
1392 |
|
---|
1393 |
|
---|
1394 | /**
|
---|
1395 | * @interface_method_impl{PDMDEVREG,pfnConstruct}
|
---|
1396 | */
|
---|
1397 | DECLCALLBACK(int) apicR3Construct(PPDMDEVINS pDevIns, int iInstance, PCFGMNODE pCfg)
|
---|
1398 | {
|
---|
1399 | PDMDEV_CHECK_VERSIONS_RETURN(pDevIns);
|
---|
1400 | PAPICDEV pApicDev = PDMDEVINS_2_DATA(pDevIns, PAPICDEV);
|
---|
1401 | PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
|
---|
1402 | PVM pVM = PDMDevHlpGetVM(pDevIns);
|
---|
1403 | PAPIC pApic = VM_TO_APIC(pVM);
|
---|
1404 | Assert(iInstance == 0); NOREF(iInstance);
|
---|
1405 |
|
---|
1406 | /*
|
---|
1407 | * Init the data.
|
---|
1408 | */
|
---|
1409 | pApic->pDevInsR3 = pDevIns;
|
---|
1410 | pApic->fR0Enabled = pDevIns->fR0Enabled;
|
---|
1411 | pApic->fRCEnabled = pDevIns->fRCEnabled;
|
---|
1412 |
|
---|
1413 | /*
|
---|
1414 | * Validate APIC settings.
|
---|
1415 | */
|
---|
1416 | PDMDEV_VALIDATE_CONFIG_RETURN(pDevIns, "Mode|IOAPIC|NumCPUs|MacOSWorkaround", "");
|
---|
1417 |
|
---|
1418 | /** @devcfgm{apic, IOAPIC, bool, true}
|
---|
1419 | * Indicates whether an I/O APIC is present in the system. */
|
---|
1420 | int rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "IOAPIC", &pApic->fIoApicPresent, true);
|
---|
1421 | AssertLogRelRCReturn(rc, rc);
|
---|
1422 |
|
---|
1423 | /** @devcfgm{apic, Mode, PDMAPICMODE, APIC(2)}
|
---|
1424 | * Max APIC feature level. */
|
---|
1425 | uint8_t uMaxMode;
|
---|
1426 | rc = pHlp->pfnCFGMQueryU8Def(pCfg, "Mode", &uMaxMode, PDMAPICMODE_APIC);
|
---|
1427 | AssertLogRelRCReturn(rc, rc);
|
---|
1428 | switch ((PDMAPICMODE)uMaxMode)
|
---|
1429 | {
|
---|
1430 | case PDMAPICMODE_NONE:
|
---|
1431 | LogRel(("APIC: APIC maximum mode configured as 'None', effectively disabled/not-present!\n"));
|
---|
1432 | case PDMAPICMODE_APIC:
|
---|
1433 | case PDMAPICMODE_X2APIC:
|
---|
1434 | break;
|
---|
1435 | default:
|
---|
1436 | return VMR3SetError(pVM->pUVM, VERR_INVALID_PARAMETER, RT_SRC_POS, "APIC mode %d unknown.", uMaxMode);
|
---|
1437 | }
|
---|
1438 | pApic->enmMaxMode = (PDMAPICMODE)uMaxMode;
|
---|
1439 |
|
---|
1440 | /** @devcfgm{apic, MacOSWorkaround, bool, false}
|
---|
1441 | * Enables a workaround for incorrect MSR_IA32_X2APIC_ID handling in macOS.
|
---|
1442 | *
|
---|
1443 | * Vital code in osfmk/i386/i386_init.c's vstart() routine incorrectly applies a
|
---|
1444 | * 24 right shift to the ID register value (correct for legacy APIC, but
|
---|
1445 | * entirely wrong for x2APIC), with the consequence that all CPUs use the same
|
---|
1446 | * per-cpu data and things panic pretty quickly. There are some shifty ID
|
---|
1447 | * reads in lapic_native.c too, but they are for either harmless (assuming boot
|
---|
1448 | * CPU has ID 0) or are for logging/debugging purposes only. */
|
---|
1449 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "MacOSWorkaround", &pApic->fMacOSWorkaround, false);
|
---|
1450 | AssertLogRelRCReturn(rc, rc);
|
---|
1451 |
|
---|
1452 | /*
|
---|
1453 | * Disable automatic PDM locking for this device.
|
---|
1454 | */
|
---|
1455 | rc = PDMDevHlpSetDeviceCritSect(pDevIns, PDMDevHlpCritSectGetNop(pDevIns));
|
---|
1456 | AssertRCReturn(rc, rc);
|
---|
1457 |
|
---|
1458 | /*
|
---|
1459 | * Register the APIC with PDM.
|
---|
1460 | */
|
---|
1461 | rc = PDMDevHlpApicRegister(pDevIns);
|
---|
1462 | AssertLogRelRCReturn(rc, rc);
|
---|
1463 |
|
---|
1464 | /*
|
---|
1465 | * Initialize the APIC state.
|
---|
1466 | */
|
---|
1467 | if (pApic->enmMaxMode == PDMAPICMODE_X2APIC)
|
---|
1468 | {
|
---|
1469 | rc = CPUMR3MsrRangesInsert(pVM, &g_MsrRange_x2Apic);
|
---|
1470 | AssertLogRelRCReturn(rc, rc);
|
---|
1471 | }
|
---|
1472 | else
|
---|
1473 | {
|
---|
1474 | /* We currently don't have a function to remove the range, so we register an range which will cause a #GP. */
|
---|
1475 | rc = CPUMR3MsrRangesInsert(pVM, &g_MsrRange_x2Apic_Invalid);
|
---|
1476 | AssertLogRelRCReturn(rc, rc);
|
---|
1477 | }
|
---|
1478 |
|
---|
1479 | /* Tell CPUM about the APIC feature level so it can adjust APICBASE MSR GP mask and CPUID bits. */
|
---|
1480 | apicR3SetCpuIdFeatureLevel(pVM, pApic->enmMaxMode);
|
---|
1481 |
|
---|
1482 | /* Finally, initialize the state. */
|
---|
1483 | rc = apicR3InitState(pVM);
|
---|
1484 | AssertRCReturn(rc, rc);
|
---|
1485 |
|
---|
1486 | /*
|
---|
1487 | * Register the MMIO range.
|
---|
1488 | */
|
---|
1489 | PAPICCPU pApicCpu0 = VMCPU_TO_APICCPU(pVM->apCpusR3[0]);
|
---|
1490 | RTGCPHYS GCPhysApicBase = MSR_IA32_APICBASE_GET_ADDR(pApicCpu0->uApicBaseMsr);
|
---|
1491 |
|
---|
1492 | rc = PDMDevHlpMmioCreateAndMap(pDevIns, GCPhysApicBase, sizeof(XAPICPAGE), apicWriteMmio, apicReadMmio,
|
---|
1493 | IOMMMIO_FLAGS_READ_DWORD | IOMMMIO_FLAGS_WRITE_DWORD_ZEROED, "APIC", &pApicDev->hMmio);
|
---|
1494 | AssertRCReturn(rc, rc);
|
---|
1495 |
|
---|
1496 | /*
|
---|
1497 | * Create the APIC timers.
|
---|
1498 | */
|
---|
1499 | for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
|
---|
1500 | {
|
---|
1501 | PVMCPU pVCpu = pVM->apCpusR3[idCpu];
|
---|
1502 | PAPICCPU pApicCpu = VMCPU_TO_APICCPU(pVCpu);
|
---|
1503 | RTStrPrintf(&pApicCpu->szTimerDesc[0], sizeof(pApicCpu->szTimerDesc), "APIC Timer %u", pVCpu->idCpu);
|
---|
1504 | rc = PDMDevHlpTimerCreate(pDevIns, TMCLOCK_VIRTUAL_SYNC, apicR3TimerCallback, pVCpu, TMTIMER_FLAGS_NO_CRIT_SECT,
|
---|
1505 | pApicCpu->szTimerDesc, &pApicCpu->hTimer);
|
---|
1506 | AssertRCReturn(rc, rc);
|
---|
1507 | }
|
---|
1508 |
|
---|
1509 | /*
|
---|
1510 | * Register saved state callbacks.
|
---|
1511 | */
|
---|
1512 | rc = PDMDevHlpSSMRegister(pDevIns, APIC_SAVED_STATE_VERSION, sizeof(*pApicDev), apicR3SaveExec, apicR3LoadExec);
|
---|
1513 | AssertRCReturn(rc, rc);
|
---|
1514 |
|
---|
1515 | /*
|
---|
1516 | * Register debugger info callbacks.
|
---|
1517 | *
|
---|
1518 | * We use separate callbacks rather than arguments so they can also be
|
---|
1519 | * dumped in an automated fashion while collecting crash diagnostics and
|
---|
1520 | * not just used during live debugging via the VM debugger.
|
---|
1521 | */
|
---|
1522 | DBGFR3InfoRegisterInternalEx(pVM, "apic", "Dumps APIC basic information.", apicR3Info, DBGFINFO_FLAGS_ALL_EMTS);
|
---|
1523 | DBGFR3InfoRegisterInternalEx(pVM, "apiclvt", "Dumps APIC LVT information.", apicR3InfoLvt, DBGFINFO_FLAGS_ALL_EMTS);
|
---|
1524 | DBGFR3InfoRegisterInternalEx(pVM, "apictimer", "Dumps APIC timer information.", apicR3InfoTimer, DBGFINFO_FLAGS_ALL_EMTS);
|
---|
1525 |
|
---|
1526 | /*
|
---|
1527 | * Statistics.
|
---|
1528 | */
|
---|
1529 | #define APIC_REG_COUNTER(a_pvReg, a_pszNameFmt, a_pszDesc) \
|
---|
1530 | PDMDevHlpSTAMRegisterF(pDevIns, a_pvReg, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, \
|
---|
1531 | STAMUNIT_OCCURENCES, a_pszDesc, a_pszNameFmt, idCpu)
|
---|
1532 | #define APIC_PROF_COUNTER(a_pvReg, a_pszNameFmt, a_pszDesc) \
|
---|
1533 | PDMDevHlpSTAMRegisterF(pDevIns, a_pvReg, STAMTYPE_PROFILE, STAMVISIBILITY_ALWAYS, \
|
---|
1534 | STAMUNIT_TICKS_PER_CALL, a_pszDesc, a_pszNameFmt, idCpu)
|
---|
1535 |
|
---|
1536 | for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
|
---|
1537 | {
|
---|
1538 | PVMCPU pVCpu = pVM->apCpusR3[idCpu];
|
---|
1539 | PAPICCPU pApicCpu = VMCPU_TO_APICCPU(pVCpu);
|
---|
1540 |
|
---|
1541 | APIC_REG_COUNTER(&pApicCpu->StatPostIntrCnt, "%u", "APIC/VCPU stats / number of apicPostInterrupt calls.");
|
---|
1542 | for (size_t i = 0; i < RT_ELEMENTS(pApicCpu->aStatVectors); i++)
|
---|
1543 | PDMDevHlpSTAMRegisterF(pDevIns, &pApicCpu->aStatVectors[i], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES,
|
---|
1544 | "Number of APICPostInterrupt calls for the vector.", "%u/Vectors/%02x", idCpu, i);
|
---|
1545 |
|
---|
1546 | #ifdef VBOX_WITH_STATISTICS
|
---|
1547 | APIC_REG_COUNTER(&pApicCpu->StatMmioReadRZ, "%u/RZ/MmioRead", "Number of APIC MMIO reads in RZ.");
|
---|
1548 | APIC_REG_COUNTER(&pApicCpu->StatMmioWriteRZ, "%u/RZ/MmioWrite", "Number of APIC MMIO writes in RZ.");
|
---|
1549 | APIC_REG_COUNTER(&pApicCpu->StatMsrReadRZ, "%u/RZ/MsrRead", "Number of APIC MSR reads in RZ.");
|
---|
1550 | APIC_REG_COUNTER(&pApicCpu->StatMsrWriteRZ, "%u/RZ/MsrWrite", "Number of APIC MSR writes in RZ.");
|
---|
1551 |
|
---|
1552 | APIC_REG_COUNTER(&pApicCpu->StatMmioReadR3, "%u/R3/MmioReadR3", "Number of APIC MMIO reads in R3.");
|
---|
1553 | APIC_REG_COUNTER(&pApicCpu->StatMmioWriteR3, "%u/R3/MmioWriteR3", "Number of APIC MMIO writes in R3.");
|
---|
1554 | APIC_REG_COUNTER(&pApicCpu->StatMsrReadR3, "%u/R3/MsrReadR3", "Number of APIC MSR reads in R3.");
|
---|
1555 | APIC_REG_COUNTER(&pApicCpu->StatMsrWriteR3, "%u/R3/MsrWriteR3", "Number of APIC MSR writes in R3.");
|
---|
1556 |
|
---|
1557 | APIC_REG_COUNTER(&pApicCpu->StatPostIntrAlreadyPending,
|
---|
1558 | "%u/PostInterruptAlreadyPending", "Number of times an interrupt is already pending.");
|
---|
1559 | APIC_REG_COUNTER(&pApicCpu->StatTimerCallback, "%u/TimerCallback", "Number of times the timer callback is invoked.");
|
---|
1560 |
|
---|
1561 | APIC_REG_COUNTER(&pApicCpu->StatTprWrite, "%u/TprWrite", "Number of TPR writes.");
|
---|
1562 | APIC_REG_COUNTER(&pApicCpu->StatTprRead, "%u/TprRead", "Number of TPR reads.");
|
---|
1563 | APIC_REG_COUNTER(&pApicCpu->StatEoiWrite, "%u/EoiWrite", "Number of EOI writes.");
|
---|
1564 | APIC_REG_COUNTER(&pApicCpu->StatMaskedByTpr, "%u/MaskedByTpr", "Number of times TPR masks an interrupt in apicGetInterrupt.");
|
---|
1565 | APIC_REG_COUNTER(&pApicCpu->StatMaskedByPpr, "%u/MaskedByPpr", "Number of times PPR masks an interrupt in apicGetInterrupt.");
|
---|
1566 | APIC_REG_COUNTER(&pApicCpu->StatTimerIcrWrite, "%u/TimerIcrWrite", "Number of times the timer ICR is written.");
|
---|
1567 | APIC_REG_COUNTER(&pApicCpu->StatIcrLoWrite, "%u/IcrLoWrite", "Number of times the ICR Lo (send IPI) is written.");
|
---|
1568 | APIC_REG_COUNTER(&pApicCpu->StatIcrHiWrite, "%u/IcrHiWrite", "Number of times the ICR Hi is written.");
|
---|
1569 | APIC_REG_COUNTER(&pApicCpu->StatIcrFullWrite, "%u/IcrFullWrite", "Number of times the ICR full (send IPI, x2APIC) is written.");
|
---|
1570 | APIC_REG_COUNTER(&pApicCpu->StatIdMsrRead, "%u/IdMsrRead", "Number of times the APIC-ID MSR is read.");
|
---|
1571 |
|
---|
1572 | APIC_PROF_COUNTER(&pApicCpu->StatUpdatePendingIntrs,
|
---|
1573 | "/PROF/CPU%u/APIC/UpdatePendingInterrupts", "Profiling of APICUpdatePendingInterrupts");
|
---|
1574 | APIC_PROF_COUNTER(&pApicCpu->StatPostIntr, "/PROF/CPU%u/APIC/PostInterrupt", "Profiling of APICPostInterrupt");
|
---|
1575 | #endif
|
---|
1576 | }
|
---|
1577 |
|
---|
1578 | # undef APIC_PROF_COUNTER
|
---|
1579 | # undef APIC_REG_ACCESS_COUNTER
|
---|
1580 |
|
---|
1581 | return VINF_SUCCESS;
|
---|
1582 | }
|
---|
1583 |
|
---|
1584 | #endif /* !VBOX_DEVICE_STRUCT_TESTCASE */
|
---|
1585 |
|
---|