1 | /* $Id: CPUMInternal.h 93115 2022-01-01 11:31:46Z vboxsync $ */
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2 | /** @file
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3 | * CPUM - Internal header file.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2022 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | */
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17 |
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18 | #ifndef VMM_INCLUDED_SRC_include_CPUMInternal_h
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19 | #define VMM_INCLUDED_SRC_include_CPUMInternal_h
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20 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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21 | # pragma once
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22 | #endif
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23 |
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24 | #ifndef VBOX_FOR_DTRACE_LIB
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25 | # include <VBox/cdefs.h>
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26 | # include <VBox/types.h>
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27 | # include <VBox/vmm/stam.h>
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28 | # include <iprt/x86.h>
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29 | # include <VBox/vmm/pgm.h>
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30 | #else
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31 | # pragma D depends_on library x86.d
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32 | # pragma D depends_on library cpumctx.d
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33 | # pragma D depends_on library cpum.d
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34 |
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35 | /* Some fudging. */
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36 | typedef uint64_t STAMCOUNTER;
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37 | #endif
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38 |
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39 |
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40 |
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41 |
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42 | /** @defgroup grp_cpum_int Internals
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43 | * @ingroup grp_cpum
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44 | * @internal
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45 | * @{
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46 | */
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47 |
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48 | /** Flags and types for CPUM fault handlers
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49 | * @{ */
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50 | /** Type: Load DS */
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51 | #define CPUM_HANDLER_DS 1
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52 | /** Type: Load ES */
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53 | #define CPUM_HANDLER_ES 2
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54 | /** Type: Load FS */
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55 | #define CPUM_HANDLER_FS 3
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56 | /** Type: Load GS */
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57 | #define CPUM_HANDLER_GS 4
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58 | /** Type: IRET */
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59 | #define CPUM_HANDLER_IRET 5
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60 | /** Type mask. */
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61 | #define CPUM_HANDLER_TYPEMASK 0xff
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62 | /** If set EBP points to the CPUMCTXCORE that's being used. */
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63 | #define CPUM_HANDLER_CTXCORE_IN_EBP RT_BIT(31)
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64 | /** @} */
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65 |
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66 |
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67 | /** Use flags (CPUM::fUseFlags).
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68 | * (Don't forget to sync this with CPUMInternal.mac !)
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69 | * @note Was part of saved state (6.1 and earlier).
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70 | * @{ */
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71 | /** Indicates that we've saved the host FPU, SSE, whatever state and that it
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72 | * needs to be restored. */
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73 | #define CPUM_USED_FPU_HOST RT_BIT(0)
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74 | /** Indicates that we've loaded the guest FPU, SSE, whatever state and that it
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75 | * needs to be saved.
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76 | * @note Mirrored in CPUMCTX::fUsedFpuGuest for the HM switcher code. */
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77 | #define CPUM_USED_FPU_GUEST RT_BIT(10)
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78 | /** Used the guest FPU, SSE or such stuff since last we were in REM.
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79 | * REM syncing is clearing this, lazy FPU is setting it. */
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80 | #define CPUM_USED_FPU_SINCE_REM RT_BIT(1)
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81 | /** The XMM state was manually restored. (AMD only) */
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82 | #define CPUM_USED_MANUAL_XMM_RESTORE RT_BIT(2)
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83 |
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84 | /** Host OS is using SYSENTER and we must NULL the CS. */
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85 | #define CPUM_USE_SYSENTER RT_BIT(3)
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86 | /** Host OS is using SYSENTER and we must NULL the CS. */
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87 | #define CPUM_USE_SYSCALL RT_BIT(4)
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88 |
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89 | /** Debug registers are used by host and that DR7 and DR6 must be saved and
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90 | * disabled when switching to raw-mode. */
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91 | #define CPUM_USE_DEBUG_REGS_HOST RT_BIT(5)
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92 | /** Records that we've saved the host DRx registers.
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93 | * In ring-0 this means all (DR0-7), while in raw-mode context this means DR0-3
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94 | * since DR6 and DR7 are covered by CPUM_USE_DEBUG_REGS_HOST. */
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95 | #define CPUM_USED_DEBUG_REGS_HOST RT_BIT(6)
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96 | /** Set to indicate that we should save host DR0-7 and load the hypervisor debug
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97 | * registers in the raw-mode world switchers. (See CPUMRecalcHyperDRx.) */
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98 | #define CPUM_USE_DEBUG_REGS_HYPER RT_BIT(7)
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99 | /** Used in ring-0 to indicate that we have loaded the hypervisor debug
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100 | * registers. */
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101 | #define CPUM_USED_DEBUG_REGS_HYPER RT_BIT(8)
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102 | /** Used in ring-0 to indicate that we have loaded the guest debug
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103 | * registers (DR0-3 and maybe DR6) for direct use by the guest.
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104 | * DR7 (and AMD-V DR6) are handled via the VMCB. */
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105 | #define CPUM_USED_DEBUG_REGS_GUEST RT_BIT(9)
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106 |
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107 | /** Host CPU requires fxsave/fxrstor leaky bit handling. */
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108 | #define CPUM_USE_FFXSR_LEAKY RT_BIT(19)
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109 | /** Set if the VM supports long-mode. */
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110 | #define CPUM_USE_SUPPORTS_LONGMODE RT_BIT(20)
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111 | /** @} */
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112 |
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113 |
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114 | /** @name CPUM Saved State Version.
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115 | * @{ */
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116 | /** The current saved state version. */
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117 | #define CPUM_SAVED_STATE_VERSION CPUM_SAVED_STATE_VERSION_PAE_PDPES
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118 | /** The saved state version with PAE PDPEs added. */
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119 | #define CPUM_SAVED_STATE_VERSION_PAE_PDPES 21
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120 | /** The saved state version with more virtual VMCS fields and CPUMCTX VMX fields. */
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121 | #define CPUM_SAVED_STATE_VERSION_HWVIRT_VMX_2 20
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122 | /** The saved state version including VMX hardware virtualization state. */
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123 | #define CPUM_SAVED_STATE_VERSION_HWVIRT_VMX 19
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124 | /** The saved state version including SVM hardware virtualization state. */
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125 | #define CPUM_SAVED_STATE_VERSION_HWVIRT_SVM 18
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126 | /** The saved state version including XSAVE state. */
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127 | #define CPUM_SAVED_STATE_VERSION_XSAVE 17
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128 | /** The saved state version with good CPUID leaf count. */
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129 | #define CPUM_SAVED_STATE_VERSION_GOOD_CPUID_COUNT 16
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130 | /** CPUID changes with explode forgetting to update the leaf count on
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131 | * restore, resulting in garbage being saved restoring+saving old states). */
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132 | #define CPUM_SAVED_STATE_VERSION_BAD_CPUID_COUNT 15
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133 | /** The saved state version before the CPUIDs changes. */
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134 | #define CPUM_SAVED_STATE_VERSION_PUT_STRUCT 14
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135 | /** The saved state version before using SSMR3PutStruct. */
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136 | #define CPUM_SAVED_STATE_VERSION_MEM 13
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137 | /** The saved state version before introducing the MSR size field. */
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138 | #define CPUM_SAVED_STATE_VERSION_NO_MSR_SIZE 12
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139 | /** The saved state version of 3.2, 3.1 and 3.3 trunk before the hidden
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140 | * selector register change (CPUM_CHANGED_HIDDEN_SEL_REGS_INVALID). */
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141 | #define CPUM_SAVED_STATE_VERSION_VER3_2 11
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142 | /** The saved state version of 3.0 and 3.1 trunk before the teleportation
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143 | * changes. */
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144 | #define CPUM_SAVED_STATE_VERSION_VER3_0 10
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145 | /** The saved state version for the 2.1 trunk before the MSR changes. */
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146 | #define CPUM_SAVED_STATE_VERSION_VER2_1_NOMSR 9
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147 | /** The saved state version of 2.0, used for backwards compatibility. */
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148 | #define CPUM_SAVED_STATE_VERSION_VER2_0 8
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149 | /** The saved state version of 1.6, used for backwards compatibility. */
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150 | #define CPUM_SAVED_STATE_VERSION_VER1_6 6
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151 | /** @} */
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152 |
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153 |
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154 | /**
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155 | * CPU info
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156 | */
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157 | typedef struct CPUMINFO
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158 | {
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159 | /** The number of MSR ranges (CPUMMSRRANGE) in the array pointed to below. */
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160 | uint32_t cMsrRanges;
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161 | /** Mask applied to ECX before looking up the MSR for a RDMSR/WRMSR
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162 | * instruction. Older hardware has been observed to ignore higher bits. */
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163 | uint32_t fMsrMask;
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164 |
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165 | /** MXCSR mask. */
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166 | uint32_t fMxCsrMask;
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167 |
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168 | /** The number of CPUID leaves (CPUMCPUIDLEAF) in the array pointed to below. */
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169 | uint32_t cCpuIdLeaves;
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170 | /** The index of the first extended CPUID leaf in the array.
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171 | * Set to cCpuIdLeaves if none present. */
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172 | uint32_t iFirstExtCpuIdLeaf;
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173 | /** How to handle unknown CPUID leaves. */
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174 | CPUMUNKNOWNCPUID enmUnknownCpuIdMethod;
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175 | /** For use with CPUMUNKNOWNCPUID_DEFAULTS (DB & VM),
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176 | * CPUMUNKNOWNCPUID_LAST_STD_LEAF (VM) and CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX (VM). */
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177 | CPUMCPUID DefCpuId;
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178 |
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179 | /** Scalable bus frequency used for reporting other frequencies. */
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180 | uint64_t uScalableBusFreq;
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181 |
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182 | /** Pointer to the MSR ranges (for compatibility with old hyper heap code). */
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183 | R3PTRTYPE(PCPUMMSRRANGE) paMsrRangesR3;
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184 | /** Pointer to the CPUID leaves (for compatibility with old hyper heap code). */
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185 | R3PTRTYPE(PCPUMCPUIDLEAF) paCpuIdLeavesR3;
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186 |
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187 | /** CPUID leaves. */
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188 | CPUMCPUIDLEAF aCpuIdLeaves[256];
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189 | /** MSR ranges.
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190 | * @todo This is insane, so might want to move this into a separate
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191 | * allocation. The insanity is mainly for more recent AMD CPUs. */
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192 | CPUMMSRRANGE aMsrRanges[8192];
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193 | } CPUMINFO;
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194 | /** Pointer to a CPU info structure. */
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195 | typedef CPUMINFO *PCPUMINFO;
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196 | /** Pointer to a const CPU info structure. */
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197 | typedef CPUMINFO const *CPCPUMINFO;
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198 |
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199 |
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200 | /**
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201 | * The saved host CPU state.
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202 | */
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203 | typedef struct CPUMHOSTCTX
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204 | {
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205 | /** The extended state (FPU/SSE/AVX/AVX-2/XXXX). Must be aligned on 64 bytes. */
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206 | union /* no tag */
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207 | {
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208 | X86XSAVEAREA XState;
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209 | /** Byte view for simple indexing and space allocation.
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210 | * @note Must match or exceed the size of CPUMCTX::abXState. */
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211 | uint8_t abXState[0x4000 - 0x300];
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212 | } CPUM_UNION_NM(u);
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213 |
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214 | /** General purpose register, selectors, flags and more
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215 | * @{ */
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216 | /** General purpose register ++
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217 | * { */
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218 | /*uint64_t rax; - scratch*/
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219 | uint64_t rbx;
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220 | /*uint64_t rcx; - scratch*/
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221 | /*uint64_t rdx; - scratch*/
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222 | uint64_t rdi;
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223 | uint64_t rsi;
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224 | uint64_t rbp;
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225 | uint64_t rsp;
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226 | /*uint64_t r8; - scratch*/
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227 | /*uint64_t r9; - scratch*/
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228 | uint64_t r10;
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229 | uint64_t r11;
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230 | uint64_t r12;
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231 | uint64_t r13;
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232 | uint64_t r14;
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233 | uint64_t r15;
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234 | /*uint64_t rip; - scratch*/
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235 | uint64_t rflags;
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236 | /** @} */
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237 |
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238 | /** Selector registers
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239 | * @{ */
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240 | RTSEL ss;
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241 | RTSEL ssPadding;
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242 | RTSEL gs;
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243 | RTSEL gsPadding;
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244 | RTSEL fs;
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245 | RTSEL fsPadding;
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246 | RTSEL es;
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247 | RTSEL esPadding;
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248 | RTSEL ds;
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249 | RTSEL dsPadding;
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250 | RTSEL cs;
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251 | RTSEL csPadding;
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252 | /** @} */
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253 |
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254 | /** Control registers.
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255 | * @{ */
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256 | /** The CR0 FPU state in HM mode. */
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257 | uint64_t cr0;
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258 | /*uint64_t cr2; - scratch*/
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259 | uint64_t cr3;
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260 | uint64_t cr4;
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261 | uint64_t cr8;
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262 | /** @} */
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263 |
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264 | /** Debug registers.
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265 | * @{ */
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266 | uint64_t dr0;
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267 | uint64_t dr1;
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268 | uint64_t dr2;
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269 | uint64_t dr3;
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270 | uint64_t dr6;
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271 | uint64_t dr7;
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272 | /** @} */
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273 |
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274 | /** Global Descriptor Table register. */
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275 | X86XDTR64 gdtr;
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276 | uint16_t gdtrPadding;
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277 | /** Interrupt Descriptor Table register. */
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278 | X86XDTR64 idtr;
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279 | uint16_t idtrPadding;
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280 | /** The task register. */
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281 | RTSEL ldtr;
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282 | RTSEL ldtrPadding;
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283 | /** The task register. */
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284 | RTSEL tr;
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285 | RTSEL trPadding;
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286 |
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287 | /** MSRs
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288 | * @{ */
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289 | CPUMSYSENTER SysEnter;
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290 | uint64_t FSbase;
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291 | uint64_t GSbase;
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292 | uint64_t efer;
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293 | /** @} */
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294 |
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295 | /** The XCR0 register. */
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296 | uint64_t xcr0;
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297 | /** The mask to pass to XSAVE/XRSTOR in EDX:EAX. If zero we use
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298 | * FXSAVE/FXRSTOR (since bit 0 will always be set, we only need to test it). */
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299 | uint64_t fXStateMask;
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300 |
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301 | /* padding to get 64byte aligned size */
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302 | uint8_t auPadding[24];
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303 | #if HC_ARCH_BITS != 64
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304 | # error HC_ARCH_BITS not defined or unsupported
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305 | #endif
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306 | } CPUMHOSTCTX;
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307 | #ifndef VBOX_FOR_DTRACE_LIB
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308 | AssertCompileSizeAlignment(CPUMHOSTCTX, 64);
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309 | #endif
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310 | /** Pointer to the saved host CPU state. */
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311 | typedef CPUMHOSTCTX *PCPUMHOSTCTX;
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312 |
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313 |
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314 | /**
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315 | * The hypervisor context CPU state (just DRx left now).
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316 | */
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317 | typedef struct CPUMHYPERCTX
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318 | {
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319 | /** Debug registers.
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320 | * @remarks DR4 and DR5 should not be used since they are aliases for
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321 | * DR6 and DR7 respectively on both AMD and Intel CPUs.
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322 | * @remarks DR8-15 are currently not supported by AMD or Intel, so
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323 | * neither do we.
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324 | */
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325 | uint64_t dr[8];
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326 | /** @todo eliminiate the rest. */
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327 | uint64_t cr3;
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328 | uint64_t au64Padding[7];
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329 | } CPUMHYPERCTX;
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330 | #ifndef VBOX_FOR_DTRACE_LIB
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331 | AssertCompileSizeAlignment(CPUMHYPERCTX, 64);
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332 | #endif
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333 | /** Pointer to the hypervisor context CPU state. */
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334 | typedef CPUMHYPERCTX *PCPUMHYPERCTX;
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335 |
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336 |
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337 | /**
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338 | * CPUM Data (part of VM)
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339 | */
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340 | typedef struct CPUM
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341 | {
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342 | /** Use flags.
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343 | * These flags indicates which CPU features the host uses.
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344 | */
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345 | uint32_t fHostUseFlags;
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346 |
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347 | /** CR4 mask
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348 | * @todo obsolete? */
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349 | struct
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350 | {
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351 | uint32_t AndMask; /**< @todo Move these to the per-CPU structure and fix the switchers. Saves a register! */
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352 | uint32_t OrMask;
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353 | } CR4;
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354 |
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355 | /** The (more) portable CPUID level. */
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356 | uint8_t u8PortableCpuIdLevel;
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357 | /** Indicates that a state restore is pending.
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358 | * This is used to verify load order dependencies (PGM). */
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359 | bool fPendingRestore;
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360 | uint8_t abPadding0[2];
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361 |
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362 | /** XSAVE/XRTOR components we can expose to the guest mask. */
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363 | uint64_t fXStateGuestMask;
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364 | /** XSAVE/XRSTOR host mask. Only state components in this mask can be exposed
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365 | * to the guest. This is 0 if no XSAVE/XRSTOR bits can be exposed. */
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366 | uint64_t fXStateHostMask;
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367 |
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368 | /** The host MXCSR mask (determined at init). */
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369 | uint32_t fHostMxCsrMask;
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370 | /** Nested VMX: Whether to expose VMX-preemption timer to the guest. */
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371 | bool fNestedVmxPreemptTimer;
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372 | /** Nested VMX: Whether to expose EPT to the guest. If this is disabled make sure
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373 | * to also disable fNestedVmxUnrestrictedGuest. */
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374 | bool fNestedVmxEpt;
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375 | /** Nested VMX: Whether to expose "unrestricted guest" to the guest. */
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376 | bool fNestedVmxUnrestrictedGuest;
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377 | uint8_t abPadding1[1];
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378 |
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379 | /** Align to 64-byte boundary. */
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380 | uint8_t abPadding2[20+4];
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381 |
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382 | /** Host CPU feature information.
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383 | * Externaly visible via the VM structure, aligned on 64-byte boundrary. */
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384 | CPUMFEATURES HostFeatures;
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385 | /** Guest CPU feature information.
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386 | * Externaly visible via that VM structure, aligned with HostFeatures. */
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387 | CPUMFEATURES GuestFeatures;
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388 | /** Guest CPU info. */
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389 | CPUMINFO GuestInfo;
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390 |
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391 | /** The standard set of CpuId leaves. */
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392 | CPUMCPUID aGuestCpuIdPatmStd[6];
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393 | /** The extended set of CpuId leaves. */
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394 | CPUMCPUID aGuestCpuIdPatmExt[10];
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395 | /** The centaur set of CpuId leaves. */
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396 | CPUMCPUID aGuestCpuIdPatmCentaur[4];
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397 |
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398 | /** @name MSR statistics.
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399 | * @{ */
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400 | STAMCOUNTER cMsrWrites;
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401 | STAMCOUNTER cMsrWritesToIgnoredBits;
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402 | STAMCOUNTER cMsrWritesRaiseGp;
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403 | STAMCOUNTER cMsrWritesUnknown;
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404 | STAMCOUNTER cMsrReads;
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405 | STAMCOUNTER cMsrReadsRaiseGp;
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406 | STAMCOUNTER cMsrReadsUnknown;
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407 | /** @} */
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408 | } CPUM;
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409 | #ifndef VBOX_FOR_DTRACE_LIB
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410 | AssertCompileMemberOffset(CPUM, HostFeatures, 64);
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411 | AssertCompileMemberOffset(CPUM, GuestFeatures, 112);
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412 | #endif
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413 | /** Pointer to the CPUM instance data residing in the shared VM structure. */
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414 | typedef CPUM *PCPUM;
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415 |
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416 | /**
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417 | * CPUM Data (part of VMCPU)
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418 | */
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419 | typedef struct CPUMCPU
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420 | {
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421 | /**
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422 | * Guest context.
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423 | * Aligned on a 64-byte boundary.
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424 | */
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425 | CPUMCTX Guest;
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426 |
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427 | /**
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428 | * Guest context - misc MSRs
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429 | * Aligned on a 64-byte boundary.
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430 | */
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431 | CPUMCTXMSRS GuestMsrs;
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432 |
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433 | /** Nested VMX: VMX-preemption timer. */
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434 | TMTIMERHANDLE hNestedVmxPreemptTimer;
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435 |
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436 | /** Use flags.
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437 | * These flags indicates both what is to be used and what has been used.
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438 | */
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439 | uint32_t fUseFlags;
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440 |
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441 | /** Changed flags.
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442 | * These flags indicates to REM (and others) which important guest
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443 | * registers which has been changed since last time the flags were cleared.
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444 | * See the CPUM_CHANGED_* defines for what we keep track of.
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445 | *
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446 | * @todo Obsolete, but will probably refactored so keep it for reference. */
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447 | uint32_t fChanged;
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448 |
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449 | /** Temporary storage for the return code of the function called in the
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450 | * 32-64 switcher. */
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451 | uint32_t u32RetCode;
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452 |
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453 | #ifdef VBOX_WITH_VMMR0_DISABLE_LAPIC_NMI
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454 | /** Used by the world switcher code to store which vectors needs restoring on
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455 | * the way back. */
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456 | uint32_t fApicDisVectors;
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457 | /** The address of the APIC mapping, NULL if no APIC.
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458 | * Call CPUMR0SetLApic to update this before doing a world switch. */
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459 | RTHCPTR pvApicBase;
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460 | /** Set if the CPU has the X2APIC mode enabled.
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461 | * Call CPUMR0SetLApic to update this before doing a world switch. */
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462 | bool fX2Apic;
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463 | #else
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464 | uint8_t abPadding3[4 + sizeof(RTHCPTR) + 1];
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465 | #endif
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466 |
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467 | /** Whether the X86_CPUID_FEATURE_EDX_APIC and X86_CPUID_AMD_FEATURE_EDX_APIC
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468 | * (?) bits are visible or not. (The APIC is responsible for setting this
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469 | * when loading state, so we won't save it.) */
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470 | bool fCpuIdApicFeatureVisible;
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471 |
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472 | /** Align the next member on a 64-byte boundary. */
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473 | uint8_t abPadding2[64 - (8 + 12 + 4 + 8 + 1 + 1)];
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474 |
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475 | /** Saved host context. Only valid while inside RC or HM contexts.
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476 | * Must be aligned on a 64-byte boundary. */
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477 | CPUMHOSTCTX Host;
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478 | /** Old hypervisor context, only used for combined DRx values now.
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479 | * Must be aligned on a 64-byte boundary. */
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480 | CPUMHYPERCTX Hyper;
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481 |
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482 | #ifdef VBOX_WITH_CRASHDUMP_MAGIC
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483 | uint8_t aMagic[56];
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484 | uint64_t uMagic;
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485 | #endif
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486 | } CPUMCPU;
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487 | #ifndef VBOX_FOR_DTRACE_LIB
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488 | AssertCompileMemberAlignment(CPUMCPU, Host, 64);
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489 | #endif
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490 | /** Pointer to the CPUMCPU instance data residing in the shared VMCPU structure. */
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491 | typedef CPUMCPU *PCPUMCPU;
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492 |
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493 | #ifndef VBOX_FOR_DTRACE_LIB
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494 | RT_C_DECLS_BEGIN
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495 |
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496 | PCPUMCPUIDLEAF cpumCpuIdGetLeaf(PVM pVM, uint32_t uLeaf);
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497 | PCPUMCPUIDLEAF cpumCpuIdGetLeafEx(PVM pVM, uint32_t uLeaf, uint32_t uSubLeaf, bool *pfExactSubLeafHit);
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498 |
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499 | # ifdef IN_RING3
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500 | int cpumR3DbgInit(PVM pVM);
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501 | int cpumR3CpuIdExplodeFeatures(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, PCCPUMMSRS pMsrs, PCPUMFEATURES pFeatures);
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502 | int cpumR3InitCpuIdAndMsrs(PVM pVM, PCCPUMMSRS pHostMsrs);
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503 | void cpumR3InitVmxGuestFeaturesAndMsrs(PVM pVM, PCVMXMSRS pHostVmxMsrs, PVMXMSRS pGuestVmxMsrs);
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504 | void cpumR3SaveCpuId(PVM pVM, PSSMHANDLE pSSM);
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505 | int cpumR3LoadCpuId(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCCPUMMSRS pGuestMsrs);
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506 | int cpumR3LoadCpuIdPre32(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion);
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507 | DECLCALLBACK(void) cpumR3CpuIdInfo(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs);
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508 |
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509 | int cpumR3DbGetCpuInfo(const char *pszName, PCPUMINFO pInfo);
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510 | int cpumR3MsrRangesInsert(PVM pVM, PCPUMMSRRANGE *ppaMsrRanges, uint32_t *pcMsrRanges, PCCPUMMSRRANGE pNewRange);
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511 | int cpumR3MsrReconcileWithCpuId(PVM pVM);
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512 | int cpumR3MsrApplyFudge(PVM pVM);
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513 | int cpumR3MsrRegStats(PVM pVM);
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514 | int cpumR3MsrStrictInitChecks(void);
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515 | PCPUMMSRRANGE cpumLookupMsrRange(PVM pVM, uint32_t idMsr);
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516 | # endif
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517 |
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518 | # ifdef IN_RC
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519 | DECLASM(int) cpumHandleLazyFPUAsm(PCPUMCPU pCPUM);
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520 | # endif
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521 |
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522 | # ifdef IN_RING0
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523 | DECLASM(int) cpumR0SaveHostRestoreGuestFPUState(PCPUMCPU pCPUM);
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524 | DECLASM(void) cpumR0SaveGuestRestoreHostFPUState(PCPUMCPU pCPUM);
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525 | # if ARCH_BITS == 32 && defined(VBOX_WITH_64_BITS_GUESTS)
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526 | DECLASM(void) cpumR0RestoreHostFPUState(PCPUMCPU pCPUM);
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527 | # endif
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528 | # endif
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529 |
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530 | # if defined(IN_RC) || defined(IN_RING0)
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531 | DECLASM(int) cpumRZSaveHostFPUState(PCPUMCPU pCPUM);
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532 | DECLASM(void) cpumRZSaveGuestFpuState(PCPUMCPU pCPUM, bool fLeaveFpuAccessible);
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533 | DECLASM(void) cpumRZSaveGuestSseRegisters(PCPUMCPU pCPUM);
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534 | DECLASM(void) cpumRZSaveGuestAvxRegisters(PCPUMCPU pCPUM);
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535 | # endif
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536 |
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537 | RT_C_DECLS_END
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538 | #endif /* !VBOX_FOR_DTRACE_LIB */
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539 |
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540 | /** @} */
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541 |
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542 | #endif /* !VMM_INCLUDED_SRC_include_CPUMInternal_h */
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543 |
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