| 1 | /* $Id: CPUProfileImpl.cpp 85574 2020-07-31 12:45:16Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VirtualBox Main - interface for CPU profiles, VBoxSVC.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 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 | #include "CPUProfileImpl.h"
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| 23 |
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| 24 | #include <VBox/vmm/cpum.h>
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| 25 | #include <iprt/x86.h>
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| 26 | #include "AutoCaller.h"
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| 27 |
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| 28 |
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| 29 | DEFINE_EMPTY_CTOR_DTOR(CPUProfile)
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| 30 |
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| 31 | /**
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| 32 | * Called by ComObjPtr::createObject when creating the object.
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| 33 | *
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| 34 | * Just initialize the basic object state, do the rest in initFromDbEntry().
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| 35 | *
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| 36 | * @returns S_OK.
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| 37 | */
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| 38 | HRESULT CPUProfile::FinalConstruct()
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| 39 | {
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| 40 | m_enmArchitecture = CPUArchitecture_Any;
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| 41 | return BaseFinalConstruct();
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| 42 | }
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| 43 |
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| 44 | /**
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| 45 | * Initializes the CPU profile from the given CPUM CPU database entry.
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| 46 | *
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| 47 | * @returns COM status code.
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| 48 | * @param a_pDbEntry The CPU database entry.
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| 49 | */
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| 50 | HRESULT CPUProfile::initFromDbEntry(PCCPUMDBENTRY a_pDbEntry) RT_NOEXCEPT
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| 51 | {
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| 52 | AutoInitSpan autoInitSpan(this);
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| 53 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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| 54 |
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| 55 | /*
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| 56 | * Initialize our private data.
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| 57 | */
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| 58 |
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| 59 | /* Determin x86 or AMD64 by scanning the CPUID leaves for the long mode feature bit: */
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| 60 | m_enmArchitecture = CPUArchitecture_x86;
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| 61 | uint32_t iLeaf = a_pDbEntry->cCpuIdLeaves;
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| 62 | while (iLeaf-- > 0)
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| 63 | if (a_pDbEntry->paCpuIdLeaves[iLeaf].uLeaf <= UINT32_C(0x80000001))
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| 64 | {
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| 65 | if ( a_pDbEntry->paCpuIdLeaves[iLeaf].uLeaf == UINT32_C(0x80000001)
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| 66 | && (a_pDbEntry->paCpuIdLeaves[iLeaf].uEdx & X86_CPUID_EXT_FEATURE_EDX_LONG_MODE))
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| 67 | m_enmArchitecture = CPUArchitecture_AMD64;
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| 68 | break;
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| 69 | }
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| 70 |
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| 71 | HRESULT hrc = m_strName.assignEx(a_pDbEntry->pszName);
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| 72 | if (SUCCEEDED(hrc))
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| 73 | hrc = m_strFullName.assignEx(a_pDbEntry->pszFullName);
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| 74 |
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| 75 | /*
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| 76 | * Update the object state.
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| 77 | */
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| 78 | if (SUCCEEDED(hrc))
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| 79 | autoInitSpan.setSucceeded();
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| 80 | else
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| 81 | autoInitSpan.setFailed(hrc);
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| 82 | return hrc;
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| 83 | }
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| 84 |
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| 85 | /**
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| 86 | * COM cruft.
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| 87 | */
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| 88 | void CPUProfile::FinalRelease()
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| 89 | {
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| 90 | uninit();
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| 91 | BaseFinalRelease();
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| 92 | }
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| 93 |
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| 94 | /**
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| 95 | * Do the actual cleanup.
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| 96 | */
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| 97 | void CPUProfile::uninit()
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| 98 | {
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| 99 | AutoUninitSpan autoUninitSpan(this);
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| 100 | }
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| 101 |
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| 102 | /**
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| 103 | * Used by SystemProperties::getCPUProfiles to do matching.
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| 104 | */
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| 105 | bool CPUProfile::i_match(CPUArchitecture_T a_enmArchitecture, CPUArchitecture_T a_enmSecondaryArch,
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| 106 | const com::Utf8Str &a_strNamePattern) const RT_NOEXCEPT
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| 107 | {
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| 108 | if ( m_enmArchitecture == a_enmArchitecture
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| 109 | || m_enmArchitecture == a_enmSecondaryArch)
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| 110 | {
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| 111 | if (a_strNamePattern.isEmpty())
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| 112 | return true;
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| 113 | return RTStrSimplePatternMatch(a_strNamePattern.c_str(), m_strName.c_str());
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| 114 | }
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| 115 | return false;
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| 116 | }
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| 117 |
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| 118 |
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| 119 | HRESULT CPUProfile::getName(com::Utf8Str &aName)
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| 120 | {
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| 121 | return aName.assignEx(m_strName);
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| 122 | }
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| 123 |
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| 124 | HRESULT CPUProfile::getFullName(com::Utf8Str &aFullName)
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| 125 | {
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| 126 | return aFullName.assignEx(m_strFullName);
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| 127 | }
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| 128 |
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| 129 | HRESULT CPUProfile::getArchitecture(CPUArchitecture_T *aArchitecture)
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| 130 | {
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| 131 | *aArchitecture = m_enmArchitecture;
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| 132 | return S_OK;
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| 133 | }
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| 134 |
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| 135 |
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| 136 | /* vi: set tabstop=4 shiftwidth=4 expandtab: */
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