用C语言实现硬件信息的获取

最新推荐文章于 2024-04-13 14:00:52 发布

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lovehappystudy

最新推荐文章于 2024-04-13 14:00:52 发布

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分类专栏：底层技术文章标签：语言 c byte reference struct asynchronous

本文链接：https://blog.youkuaiyun.com/lovehappystudy/article/details/3160527

本文档展示了如何使用C语言来获取硬件信息，包括CPU、BIOS、内存、主板等详细信息。通过定义和使用一系列结构体，实现了对系统管理BIOS（SMBIOS）数据的解析，以获取系统硬件的详细规格。

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用C语言实现硬件信息的获取，包括CPU、BIOS、内存、主板、集成设备、端口、主板插槽、Cache等。

#ifndef __SM_BIOS_H__
#define __SM_BIOS_H__

#define TRUE 1
#define FALSE 0
#define ERROR -1
typedef unsigned char BYTE;
typedef unsigned short WORD;
typedef unsigned long DWORD;
typedef unsigned double QWORD;

typedef struct
{
   BYTE Type;
   BYTE Length;
   WORD Handle;
}SMBStructsHeader;

typedef struct
{
   BYTE       AnchorString[4];
   BYTE       Checksum;
   BYTE       EntryPointLength;
   BYTE       SMBMajorVer;
   BYTE       SMBMinorVer;
   WORD   MaxStructSize;
   BYTE       EntryPointRev;
   BYTE       FormattedArea[5];
   BYTE       InterAnchorStr[5];
   BYTE       InterChecksum;
   WORD   StructTableLength;
   DWORD StructTableAddr;
   WORD   NumOfSMBStructs;
   BYTE       SMBBCDRev;
}SMBStructTableEntryPoint;

typedef struct
{
   SMBStructsHeader Header;
   BYTE       Vendor;
   BYTE       Version;
   WORD   StartingAddrSeg;
   BYTE       ReleaseDate;
   BYTE       ROMSize;
   BYTE       Characteristics[8];
   WORD   Reserved;
   BYTE       MajorRelease;
   BYTE       MinorRelease;
   BYTE       FirmwareMajorRelease;
   BYTE       FirmwareMinorRelease;
}SMBBIOSInfo;

typedef struct
{
   DWORD time_low;
   WORD   time_mid;
   WORD   time_hi_and_ver;
   BYTE       clock_seq_hi_and_res;
   BYTE       clock_seq_low;
   BYTE       Node[6];
}UUIDStruct;

typedef struct
{
   SMBStructsHeader Header;
   BYTE Manufacturer;
   BYTE ProductName;
   BYTE Version;
   BYTE SerialNumber;
   UUIDStruct UUID;
   BYTE WakeupType;
   /* 2.4+ */
   BYTE SKUNumber;
   BYTE Family;
}SMBSysInfo;

typedef struct
{
   SMBStructsHeader Header;
   BYTE Manufacturer;
   BYTE Product;
   BYTE Version;
   BYTE SerialNumber;
   BYTE AssetTag;
   BYTE FeatureFlags;
   BYTE LocationInChassis;
   WORD ChassisHandle;
   BYTE BoardType;
   BYTE Resvd[2];
}SMBBaseBoardInfo;

typedef struct
{
   SMBStructsHeader Header;
   BYTE InterRefDesignator;
   BYTE InterConType;
   BYTE ExterRefDesignator;
   BYTE ExterConType;
   BYTE PortType;
}SMBPortInfo;

typedef struct
{
   SMBStructsHeader Header;
   BYTE Manufacturer;
   BYTE Type;
   BYTE Version;
   BYTE SerialNumber;
   BYTE AssetTagNum;
   BYTE BootupState;
   BYTE PowerSupplyState;
   BYTE ThermalState;
   BYTE SecurityStatus;
   DWORD OEMRes;
   /* 2.3+ */
   BYTE Height;
   BYTE NumOfPowerCords;
   BYTE Resved[3]; /* Contained Elements */
}SMBSysEnclosure;

typedef struct
{
   SMBStructsHeader Header;
   BYTE SocketDesignation;
   BYTE Type;
   BYTE Family;
   BYTE Manufacturer;
   BYTE ID[8];
   BYTE Version;
   BYTE Voltage;
   WORD ExternalClock;
   WORD MaxSpeed;
   WORD CurrentSpeed;
   BYTE Status;
   BYTE Upgrade;
   WORD L1CacheHandle;
   WORD L2CacheHandle;
   WORD L3CacheHandle;
   /* 2.3+ */
   BYTE SerialNumber;
   BYTE AssetTag;
   BYTE PartNumber;
   /* 2.5+ */
   BYTE CoreCount;
   BYTE CoreEnabled;
   BYTE ThreadCount;
   WORD Characterisitics;
   /* 2.6+ */
   WORD ProcessorFamily2;
}SMBProcessorInfo;

typedef struct
{
   SMBStructsHeader Header;
   BYTE SocketDesignation;
   WORD Configuration;
   WORD MaxCacheSize;
   WORD InstalledSize;
   WORD SupportedSRAMType;
   WORD CurrentSRAMType;
   BYTE Speed;
   BYTE ErrCorrectionType;
   BYTE SysCacheType;
   BYTE Associativity;
}SMBCacheInfo;

typedef struct
{
   SMBStructsHeader Header;
   BYTE Designation;
   BYTE Type;
   BYTE DataBusWidth;
   BYTE CurrentUsage;
   BYTE Length;
   WORD ID;
   BYTE Characteristics1;
   BYTE Characteristics2;
   /* 2.6+ */
   WORD SegGroupNum;
   BYTE BusNumber;
   BYTE Dev_FuncNum;
}SMBSystemSlots;

typedef struct
{
   SMBStructsHeader Header;
   BYTE Location;
   BYTE Use;
   BYTE MemErrCorrection;
   DWORD MaxCapacity;
   WORD MemErrInfoHandle;
   WORD NumOfMemDevices;
}SMBPhyMemArray;

typedef struct
{
   SMBStructsHeader Header;
   WORD PhyMemArrayHandle;
   WORD MemErrInfoHandle;
   WORD TotalWidth;
   WORD DataWidth;
   WORD Size;
   BYTE FormFactor;
   BYTE DeviceSet;
   BYTE DeviceLocator;
   BYTE BankLocator;
   BYTE Memo