win10驱动下获取cpu信息@慕课网原创_慕课网

entry.c

#include "Driver.h"

NTSTATUS DriverEntry(

IN PDRIVER_OBJECT pDriverObject,

IN PUNICODE_STRING pRegistryPath)

{

NTSTATUS status;

//判断CPU类型

CPUType();

KdPrint(("Enter DriverEntry\n"));

//DbgBreakPoint();

//设置卸载函数

pDriverObject->DriverUnload =DDKUnload;

//设置派遣函数

pDriverObject->MajorFunction[IRP_MJ_CREATE] = DDKDispatchRoutin;

pDriverObject->MajorFunction[IRP_MJ_CLOSE] = DDKDispatchRoutin;

pDriverObject->MajorFunction[IRP_MJ_WRITE] = DDKDispatchRoutin;

pDriverObject->MajorFunction[IRP_MJ_READ] = DDKDispatchRoutin;

pDriverObject->MajorFunction[IRP_MJ_CLEANUP] = DDKDispatchRoutin;

pDriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = DDKDispatchRoutin;

pDriverObject->MajorFunction[IRP_MJ_SET_INFORMATION] = DDKDispatchRoutin;

pDriverObject->MajorFunction[IRP_MJ_SHUTDOWN] = DDKDispatchRoutin;

pDriverObject->MajorFunction[IRP_MJ_SYSTEM_CONTROL] = DDKDispatchRoutin;

//创建驱动设备对象

status = CreateDevice(pDriverObject);

KdPrint(("Leave DriverEntry\n"));

return status;

}

NTSTATUS CreateDevice(

IN PDRIVER_OBJECT pDriverObject)

{

NTSTATUS status;

PDEVICE_OBJECT pDevObj;

PDEVICE_EXTENSION pDevExt;

//创建设备名称

UNICODE_STRING devName;

RtlInitUnicodeString(&devName, L"\\Device\\MyDDKDevice");

//创建设备

status = IoCreateDevice(pDriverObject,

sizeof(DEVICE_EXTENSION),

&devName,

FILE_DEVICE_UNKNOWN,

0, TRUE,

&pDevObj);

if (!NT_SUCCESS(status))

return status;

pDevObj->Flags |= DO_BUFFERED_IO;

pDevExt = (PDEVICE_EXTENSION)pDevObj->DeviceExtension;

pDevExt->pDevice = pDevObj;

pDevExt->ustrDeviceName = devName;

//创建符号链接

UNICODE_STRING symLinkName;

RtlInitUnicodeString(&symLinkName, L"\\??\\TESTDDK");

pDevExt->ustrSymLinkName = symLinkName;

status = IoCreateSymbolicLink(&symLinkName, &devName);

if (!NT_SUCCESS(status))

{

IoDeleteDevice(pDevObj);

return status;

}

return STATUS_SUCCESS;

}

#pragma PAGEDCODE

VOID DDKUnload(IN PDRIVER_OBJECT pDriverObject)

{

PDEVICE_OBJECT pNextObj;

KdPrint(("Enter DriverUnload\n"));

pNextObj = pDriverObject->DeviceObject;

while (pNextObj != NULL)

{

PDEVICE_EXTENSION pDevExt = (PDEVICE_EXTENSION)

pNextObj->DeviceExtension;

//删除符号链接

UNICODE_STRING pLinkName = pDevExt->ustrSymLinkName;

IoDeleteSymbolicLink(&pLinkName);

pNextObj = pNextObj->NextDevice;

IoDeleteDevice(pDevExt->pDevice);

}

#pragma PAGEDCODE

NTSTATUS DDKDispatchRoutin(IN PDEVICE_OBJECT pDevObj,

IN PIRP pIrp)

{

KdPrint(("Enter HelloDDKDispatchRoutin\n"));

PIO_STACK_LOCATION stack = IoGetCurrentIrpStackLocation(pIrp);

//建立一个字符串数组与IRP类型对应起来

static char* irpname[] =

{

"IRP_MJ_CREATE",

"IRP_MJ_CREATE_NAMED_PIPE",

"IRP_MJ_CLOSE",

"IRP_MJ_READ",

"IRP_MJ_WRITE",

"IRP_MJ_QUERY_INFORMATION",

"IRP_MJ_SET_INFORMATION",

"IRP_MJ_QUERY_EA",

"IRP_MJ_SET_EA",

"IRP_MJ_FLUSH_BUFFERS",

"IRP_MJ_QUERY_VOLUME_INFORMATION",

"IRP_MJ_SET_VOLUME_INFORMATION",

"IRP_MJ_DIRECTORY_CONTROL",

"IRP_MJ_FILE_SYSTEM_CONTROL",

"IRP_MJ_DEVICE_CONTROL",

"IRP_MJ_INTERNAL_DEVICE_CONTROL",

"IRP_MJ_SHUTDOWN",

"IRP_MJ_LOCK_CONTROL",

"IRP_MJ_CLEANUP",

"IRP_MJ_CREATE_MAILSLOT",

"IRP_MJ_QUERY_SECURITY",

"IRP_MJ_SET_SECURITY",

"IRP_MJ_POWER",

"IRP_MJ_SYSTEM_CONTROL",

"IRP_MJ_DEVICE_CHANGE",

"IRP_MJ_QUERY_QUOTA",

"IRP_MJ_SET_QUOTA",

"IRP_MJ_PNP",

};

UCHAR type = stack->MajorFunction;

if (type >= arraysize(irpname))

KdPrint((" - Unknown IRP, major type %X\n", type));

else

KdPrint(("\t%s\n", irpname[type]));

//对一般IRP的简单操作，后面会介绍对IRP更复杂的操作

NTSTATUS status = STATUS_SUCCESS;

// 完成IRP

pIrp->IoStatus.Status = status;

pIrp->IoStatus.Information = 0; // bytes xfered

IoCompleteRequest(pIrp, IO_NO_INCREMENT);

KdPrint(("Leave DDKDispatchRoutin\n"));

return status;

}

stRet CPUType()

{

stRet st_Ret = {FALSE,FALSE};

ULONG CPUInfo[4] = { -1 };

CHAR cpu_string[48];

__cpuid(CPUInfo, 0);

INT num_ids = CPUInfo[0];

//GenuineIntel是Intel的CPU

//0x47, 0x65, 0x6E, 0x75, 0x69, 0x6E, 0x65, 0x49, 0x6E, 0x74, 0x65, 0x6C, 0x00, 0x00, 0x00, 0x00 GenuineIntel

if ((CPUInfo[1] == 0x756e6547) && (CPUInfo[2] == 0x6c65746e) && (CPUInfo[3] == 0x49656e69))

{

st_Ret.bIntelCPU=TRUE;

KdPrint(("GenuineIntel\n"));

}

//AuthenticAMD 是AMD的CPU

//0x41, 0x75, 0x74, 0x68, 0x65, 0x6E, 0x74, 0x69, 0x63, 0x41, 0x4D, 0x44, 0x00, 0x00, 0x00, 0x00 AuthenticAMD

if ((CPUInfo[1] == 0x68747541) && (CPUInfo[2] == 0x444d4163) && (CPUInfo[3] == 0x69746e65))

{

st_Ret.bIntelCPU = TRUE;

KdPrint(("AuthenticAMD\n"));

}

INT cpu_info[4] = { -1 };

__cpuid(cpu_info, 0);

// Interpret CPU feature information.

if (num_ids > 0) {

int cpu_info7[4] = { 0 };

__cpuid(cpu_info, 1);

if (num_ids >= 7) {

__cpuid(cpu_info7, 7);

}

signature_ = cpu_info[0];

stepping_ = cpu_info[0] & 0xf;

model_ = ((cpu_info[0] >> 4) & 0xf) + ((cpu_info[0] >> 12) & 0xf0);

family_ = (cpu_info[0] >> 8) & 0xf;

type_ = (cpu_info[0] >> 12) & 0x3;

ext_model_ = (cpu_info[0] >> 16) & 0xf;

ext_family_ = (cpu_info[0] >> 20) & 0xff;

has_mmx_ = (cpu_info[3] & 0x00800000) != 0;

has_sse_ = (cpu_info[3] & 0x02000000) != 0;

has_sse2_ = (cpu_info[3] & 0x04000000) != 0;

has_sse3_ = (cpu_info[2] & 0x00000001) != 0;

has_ssse3_ = (cpu_info[2] & 0x00000200) != 0;

has_sse41_ = (cpu_info[2] & 0x00080000) != 0;

has_sse42_ = (cpu_info[2] & 0x00100000) != 0;

has_aesni_ = (cpu_info[2] & 0x02000000) != 0;

has_avx2_ = has_avx_ && (cpu_info7[1] & 0x00000020) != 0;

}

// Get the brand string of the cpu.

__cpuid(cpu_info, 0x80000000);

const int parameter_end = 0x80000004;

int max_parameter = cpu_info[0];

//CHAR temp[40] = { -1 };

if (cpu_info[0] >= parameter_end) {

PCHAR cpu_string_ptr = cpu_string;

for (int parameter = 0x80000002; parameter <= parameter_end &&

cpu_string_ptr < &cpu_string[lstrlen(cpu_string)]; parameter++) {

__cpuid(cpu_info, parameter);

lstrcpy(cpu_string_ptr, cpu_info, lstrlen(cpu_info));

cpu_string_ptr += lstrlen(cpu_info);

}

//lstrcpy(g_cpu_string, cpu_string_ptr-34, 32);

KdPrint(("cpu_string:%s cpu_string:%x\n", cpu_string, cpu_string));

DbgBreakPoint();

}

const int parameter_containing_non_stop_time_stamp_counter = 0x80000007;

if (max_parameter >= parameter_containing_non_stop_time_stamp_counter) {

__cpuid(cpu_info, parameter_containing_non_stop_time_stamp_counter);

has_non_stop_time_stamp_counter_ = (cpu_info[3] & (1 << 8)) != 0;

}

return st_Ret;

}

// 字符串长度

DWORD lstrlen(PCHAR pSrc)

{

DWORD dwRet = 0;

while (*pSrc != 0)

{

dwRet++;

pSrc++;

}

return dwRet;

}

// 字符拷贝

VOID lstrcpy(PCHAR pDst, PCHAR pSrc, DWORD len)

{

//while (1)

//{

// // 复制字符，直到零结尾

// *pDst = *pSrc;

// if (*pSrc == 0)

// break;

// // 下一个字符

// pSrc++;

// pDst++;

//}

for (DWORD i = 0; i < len; i++) {

// 复制字符

*pDst = *pSrc;

if (*pSrc == 0)

break;

// 下一个字符

pSrc++;

pDst++;

}

Driver.h

//#include <NTDDK.h>

#include <ntifs.h>

#include <string.h>

#include <ntstrsafe.h>

#define PAGEDCODE code_seg("PAGE")

#define LOCKEDCODE code_seg()

#define INITCODE code_seg("INIT")

#define PAGEDDATA data_seg("PAGE")

#define LOCKEDDATA data_seg()

#define INITDATA data_seg("INIT")

#define arraysize(p) (sizeof(p)/sizeof((p)[0]))

typedef struct _DEVICE_EXTENSION {

PDEVICE_OBJECT pDevice;

UNICODE_STRING ustrDeviceName; //设备名称

UNICODE_STRING ustrSymLinkName; //符号链接名

} DEVICE_EXTENSION, *PDEVICE_EXTENSION;

typedef struct MyStruct

{

//Intel

BOOLEAN bIntelCPU;

//AMD

BOOLEAN bAMDCPU;

}stRet;

INT signature_; // raw form of type, family, model, and stepping

INT type_; // process type

INT family_; // family of the processor

INT model_; // model of processor

INT stepping_; // processor revision number

INT ext_model_;

INT ext_family_;

BOOLEAN has_mmx_;

BOOLEAN has_sse_;

BOOLEAN has_sse2_;

BOOLEAN has_sse3_;

BOOLEAN has_ssse3_;

BOOLEAN has_sse41_;

BOOLEAN has_sse42_;

BOOLEAN has_avx_;

BOOLEAN has_avx2_;

BOOLEAN has_aesni_;

BOOLEAN has_non_stop_time_stamp_counter_;

ULONG CPUInfo[4] = { -1 };

//CHAR g_cpu_string[0x36];

PCHAR cpu_string_ptr;

// 函数声明

stRet CPUType();

NTSTATUS CreateDevice(IN PDRIVER_OBJECT pDriverObject);

VOID DDKUnload(IN PDRIVER_OBJECT pDriverObject);

NTSTATUS DDKDispatchRoutin(IN PDEVICE_OBJECT pDevObj,

IN PIRP pIrp);

// 字符串长度

DWORD lstrlen(PCHAR pSrc);

// 字符拷贝

VOID lstrcpy(PCHAR pDst, PCHAR pSrc, DWORD len);

win10驱动下获取cpu信息