70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
/* XMRig
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* Copyright (c) 2002-2006 Hugo Weber <address@hidden>
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* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
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* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "hw/dmi/DmiReader.h"
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#include "hw/dmi/DmiTools.h"
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#include <windows.h>
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namespace xmrig {
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/*
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* Struct needed to get the SMBIOS table using GetSystemFirmwareTable API.
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*/
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struct RawSMBIOSData {
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uint8_t Used20CallingMethod;
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uint8_t SMBIOSMajorVersion;
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uint8_t SMBIOSMinorVersion;
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uint8_t DmiRevision;
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uint32_t Length;
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uint8_t SMBIOSTableData[];
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};
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} // namespace xmrig
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bool xmrig::DmiReader::read()
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{
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constexpr uint32_t RSMB = 0x52534D42;
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const uint32_t size = GetSystemFirmwareTable(RSMB, 0, nullptr, 0);
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auto smb = reinterpret_cast<RawSMBIOSData *>(HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size));
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if (!smb) {
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return false;
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}
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if (GetSystemFirmwareTable(RSMB, 0, smb, size) != size) {
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HeapFree(GetProcessHeap(), 0, smb);
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return false;
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}
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m_version = (smb->SMBIOSMajorVersion << 16) + (smb->SMBIOSMinorVersion << 8) + smb->DmiRevision;
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m_size = smb->Length;
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return decode(smb->SMBIOSTableData, [smb]() {
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HeapFree(GetProcessHeap(), 0, smb);
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});
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}
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