| 1 | /* $Id: CPUProfileImpl.cpp 98103 2023-01-17 14:15:46Z 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) 2020-2023 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 |
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| 29 | /*********************************************************************************************************************************
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| 30 | * Header Files *
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| 31 | *********************************************************************************************************************************/
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| 32 | #include "CPUProfileImpl.h"
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| 33 |
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| 34 | #include <VBox/vmm/cpum.h>
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| 35 | #include <iprt/x86.h>
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| 36 | #include "AutoCaller.h"
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| 37 |
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| 38 |
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| 39 | DEFINE_EMPTY_CTOR_DTOR(CPUProfile)
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| 40 |
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| 41 | /**
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| 42 | * Called by ComObjPtr::createObject when creating the object.
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| 43 | *
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| 44 | * Just initialize the basic object state, do the rest in initFromDbEntry().
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| 45 | *
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| 46 | * @returns S_OK.
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| 47 | */
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| 48 | HRESULT CPUProfile::FinalConstruct()
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| 49 | {
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| 50 | m_enmArchitecture = CPUArchitecture_Any;
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| 51 | return BaseFinalConstruct();
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| 52 | }
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| 53 |
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| 54 | /**
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| 55 | * Initializes the CPU profile from the given CPUM CPU database entry.
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| 56 | *
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| 57 | * @returns COM status code.
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| 58 | * @param a_pDbEntry The CPU database entry.
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| 59 | */
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| 60 | HRESULT CPUProfile::initFromDbEntry(PCCPUMDBENTRY a_pDbEntry) RT_NOEXCEPT
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| 61 | {
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| 62 | AutoInitSpan autoInitSpan(this);
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| 63 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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| 64 |
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| 65 | /*
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| 66 | * Initialize our private data.
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| 67 | */
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| 68 |
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| 69 | /* Determin x86 or AMD64 by scanning the CPUID leaves for the long mode feature bit: */
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| 70 | m_enmArchitecture = CPUArchitecture_x86;
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| 71 | uint32_t iLeaf = a_pDbEntry->cCpuIdLeaves;
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| 72 | while (iLeaf-- > 0)
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| 73 | if (a_pDbEntry->paCpuIdLeaves[iLeaf].uLeaf <= UINT32_C(0x80000001))
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| 74 | {
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| 75 | if ( a_pDbEntry->paCpuIdLeaves[iLeaf].uLeaf == UINT32_C(0x80000001)
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| 76 | && (a_pDbEntry->paCpuIdLeaves[iLeaf].uEdx & X86_CPUID_EXT_FEATURE_EDX_LONG_MODE))
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| 77 | m_enmArchitecture = CPUArchitecture_AMD64;
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| 78 | break;
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| 79 | }
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| 80 |
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| 81 | HRESULT hrc = m_strName.assignEx(a_pDbEntry->pszName);
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| 82 | if (SUCCEEDED(hrc))
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| 83 | hrc = m_strFullName.assignEx(a_pDbEntry->pszFullName);
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| 84 |
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| 85 | /*
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| 86 | * Update the object state.
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| 87 | */
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| 88 | if (SUCCEEDED(hrc))
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| 89 | autoInitSpan.setSucceeded();
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| 90 | else
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| 91 | autoInitSpan.setFailed(hrc);
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| 92 | return hrc;
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| 93 | }
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| 94 |
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| 95 | /**
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| 96 | * COM cruft.
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| 97 | */
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| 98 | void CPUProfile::FinalRelease()
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| 99 | {
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| 100 | uninit();
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| 101 | BaseFinalRelease();
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| 102 | }
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| 103 |
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| 104 | /**
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| 105 | * Do the actual cleanup.
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| 106 | */
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| 107 | void CPUProfile::uninit()
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| 108 | {
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| 109 | AutoUninitSpan autoUninitSpan(this);
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| 110 | }
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| 111 |
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| 112 | /**
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| 113 | * Used by SystemProperties::getCPUProfiles to do matching.
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| 114 | */
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| 115 | bool CPUProfile::i_match(CPUArchitecture_T a_enmArchitecture, CPUArchitecture_T a_enmSecondaryArch,
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| 116 | const com::Utf8Str &a_strNamePattern) const RT_NOEXCEPT
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| 117 | {
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| 118 | if ( m_enmArchitecture == a_enmArchitecture
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| 119 | || m_enmArchitecture == a_enmSecondaryArch)
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| 120 | {
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| 121 | if (a_strNamePattern.isEmpty())
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| 122 | return true;
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| 123 | return RTStrSimplePatternMatch(a_strNamePattern.c_str(), m_strName.c_str());
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| 124 | }
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| 125 | return false;
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| 126 | }
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| 127 |
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| 128 |
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| 129 | HRESULT CPUProfile::getName(com::Utf8Str &aName)
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| 130 | {
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| 131 | return aName.assignEx(m_strName);
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| 132 | }
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| 133 |
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| 134 | HRESULT CPUProfile::getFullName(com::Utf8Str &aFullName)
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| 135 | {
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| 136 | return aFullName.assignEx(m_strFullName);
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| 137 | }
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| 138 |
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| 139 | HRESULT CPUProfile::getArchitecture(CPUArchitecture_T *aArchitecture)
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| 140 | {
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| 141 | *aArchitecture = m_enmArchitecture;
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| 142 | return S_OK;
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| 143 | }
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| 144 |
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| 145 |
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| 146 | /* vi: set tabstop=4 shiftwidth=4 expandtab: */
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