phymem.zip_PHYMEM_acpi_phymem.zip_访问PCI

////////////////////////////////////////////////////////////////////////////// // Copyright � 1998,1999 PHD Computer Consultants Ltd // // DebugPrint code to add to a test driver http://www.phdcc.com/debugprint/ ///////////////////////////////////////////////////////////////////////////// // DebugPrint.cpp: Debug printing in test driver ///////////////////////////////////////////////////////////////////////////// // DebugPrintInit Initialise DebugPrint // DebugPrintMsg Print ANSI string // DebugPrintClose Close DebugPrint // DebugPrint Formatted print, allocating 100 byte print buffer // DebugPrint2 Formatted print, specifying print buffer size //* DebugPrintVA Allocate DebugPrint buffer and call DebugSprintf //* PrintXxx Print various types to buffer //* DebugSprintf Do formatted print to buffer //* ANSIstrlen Get ANSI string length //* DebugPrintSystemThread System thread to print device events. //* OpenDebugPrintDriver Attempt to open DebugPrt driver for 5 mins //* ClearEvents Clear any remaining events ///////////////////////////////////////////////////////////////////////////// // DebugPrinting occurs automatically in checked build // To force debug printing in free build, #define DEBUGPRINT 1 ///////////////////////////////////////////////////////////////////////////// // Format specification characters // %c ANSI char // %C Wide char // %d Signed int in decimal // %D __int64 in decimal // %i Signed int in decimal // %I IRP // %l __int64 in hex // %L LARGE_INTEGER in hex // %s null-terminated ANSI char string // %S null-terminated Wide char string // %T PUNICODE_STRING // %u ULONG in decimal // %x ULONG in hex // // Be very careful to provide appropriate parameters for the formatted string // in your calls to DebugPrint. ///////////////////////////////////////////////////////////////////////////// // Version history // 7-Dec-98 1.0.0 CC creation // 17-Dec-98 1.0.1 CC DriverName allocated from NonPagedPool // 21-Dec-98 1.0.1 CC sizeof char * used properly // 28-Dec-98 1.0.2 CC %* allowed for %sSx // 22-Jan-99 1.0.3 CC %D, %l, %L added. width>'9' allowed // 16-Feb-99 1.0.4 CC RtlInitUnicodeString used // 31-Mar-99 1.0.5 CC Altered to make it work in NT4 // 24-Apr-99 1.0.5 CC DebugPrintClose checks DebugPrintStarted // 25-Apr-99 1.0.5 CC System thread tries for 5 mins to open DebugPrt // 13-May-99 1.0.6 CC IRP_MN_QUERY_LEGACY_BUS_INFORMATION added // 19-May-99 1.0.6 CC ThreadExiting ensures that thread finished before unload ///////////////////////////////////////////////////////////////////////////// #ifdef __cplusplus extern "C" { #endif #include <wdm.h> #ifdef __cplusplus } #endif #include "debugprint.h" #include <stdarg.h> // OK to use this for va_* macros #if DODEBUGPRINT ////////////////////////////////////////////////////////////////////////////// // Definitions copied from Wdm.h to make this compile in NT4 // Cross-fingers - lets hope these definitions do not change #define Dbp_IRP_MJ_POWER 0x16 #define Dbp_IRP_MJ_SYSTEM_CONTROL 0x17 #define Dbp_IRP_MJ_PNP 0x1b #define Dbp_IRP_MN_QUERY_DEVICE_RELATIONS 0x07 #define Dbp_IRP_MN_SET_POWER 0x02 #define Dbp_IRP_MN_QUERY_POWER 0x03 typedef enum Dbp__DEVICE_RELATION_TYPE { Dbp_BusRelations, Dbp_EjectionRelations, Dbp_PowerRelations, Dbp_RemovalRelations, Dbp_TargetDeviceRelation } Dbp_DEVICE_RELATION_TYPE, *Dbp_PDEVICE_RELATION_TYPE; typedef struct _Dbp_QueryDeviceRelations { Dbp_DEVICE_RELATION_TYPE Type; } Dbp_QueryDeviceRelations, *Dbp_PQueryDeviceRelations; typedef enum _Dbp_SYSTEM_POWER_STATE { Dbp_PowerSystemUnspecified = 0, Dbp_PowerSystemWorking, Dbp_PowerSystemSleeping1, Dbp_PowerSystemSleeping2, Dbp_PowerSystemSleeping3, Dbp_PowerSystemHibernate, Dbp_PowerSystemShutdown, Dbp_PowerSystemMaximum } Dbp_SYSTEM_POWER_STATE, *Dbp_PSYSTEM_POWER_STATE; typedef enum { Dbp_PowerActionNone, Dbp_PowerActionReserved, Dbp_PowerActionSleep, Dbp_PowerActionHibernate, Dbp_PowerActionShutdown, Dbp_PowerActionShutdownReset, Dbp_PowerActionShutdownOff } Dbp_POWER_ACTION, *Dbp_PPOWER_ACTION; typedef enum _Dbp_DEVICE_POWER_STATE { Dbp_PowerDeviceUnspecified = 0, Dbp_PowerDeviceD0, Dbp_PowerDeviceD1, Dbp_PowerDeviceD2, Dbp_PowerDeviceD3, Dbp_PowerDeviceMaximum } Dbp_DEVICE_POWER_STATE, *Dbp_PDEVICE_POWER_STATE; typedef enum _Dbp_POWER_STATE_TYPE { Dbp_SystemPowerState, Dbp_DevicePowerState } Dbp_POWER_STATE_TYPE, *Dbp_PPOWER_STATE_TYPE; typedef union _Dbp_POWER_STATE { Dbp_SYSTEM_POWER_STATE SystemState; Dbp_DEVICE_POWER_STATE DeviceState; } Dbp_POWER_STATE, *Dbp_PPOWER_STATE; typedef struct _Dbp_Power { ULONG SystemContext; Dbp_POWER_STATE_TYPE Type; Dbp_POWER_STATE State; Dbp_POWER_ACTION ShutdownType; } Dbp_Power, *Dbp_PPower; ////////////////////////////////////////////////////////////////////////////// // DebugPrint globals static BOOLEAN DebugPrintStarted = FALSE; static char* DriverName = NULL; static USHORT DriverNameLen = 0; ///////////////////////////////////////////////////////////////////////////// // DebugPrint Event structure (put in doubly-linked EventList) typedef struct _DEBUGPRINT_EVENT { LIST_ENTRY ListEntry; ULONG Len; UCHAR EventData[1]; } DEBUGPRINT_EVENT, *PDEBUGPRINT_EVENT; ////////////////////////////////////////////////////////////////////////////// // Globals to communicate with our system thread PVOID ThreadObjectPointer=NULL; // Thread pointer BOOLEAN ExitNow; // Set to cause thread to exit KEVENT ThreadEvent; // Set to make thread look at ExitNow. LIST_ENTRY EventList; // Doubly-linked list of written Events KSPIN_LOCK EventListLock; // Spin lock to guard access to EventList KEVENT ThreadExiting; // Set when thread exiting void DebugPrintSystemThread( IN PVOID Context); NTSTATUS OpenDebugPrintDriver( HANDLE* pDebugPrintDeviceHandle); ////////////////////////////////////////////////////////////////////////////// // DebugPrint local functions HANDLE OpenDebugPrint(); void CloseDebugPrint( HANDLE h); void DebugSprintf( char* buffer, int max, const char* format, va_list marker); USHORT ANSIstrlen( char* str); void ClearEvents(); ////////////////////////////////////////////////////////////////////////////// // DebugPrintInit: Initialise DebugPrint // Connect to DebugPrint driver at \Device\PHDDebugPrint // // IRQL PASSIVE_LEVEL void DebugPrintInit(char* _DriverName) { HANDLE threadHandle; NTSTATUS status; // Copy the driver's name out of INIT code segment DriverNameLen = 1 + ANSIstrlen(_DriverName); DriverName = (char*)ExAllocatePool(NonPagedPool,DriverNameLen); if( DriverName==NULL) return; RtlCopyMemory( DriverName, _DriverName, DriverNameLen); ///////////////////////////////////////////////////////////////////////// // Prepare for thread start ExitNow = FALSE; KeInitializeEvent(&ThreadEvent, SynchronizationEvent, FALSE); KeInitializeEvent(&ThreadExiting, SynchronizationEvent, FALSE); // Initialise event list KeInitializeSpinLock(&EventListLock); InitializeListHead(&EventList); ///////////////////////////////////////////////////////////////////////// // Start system thread to write events to DebugPrint driver status = PsCreateSystemThread( &threadHandle, THREAD_ALL_ACCESS, NULL, NULL, NULL, DebugPrintSystemThread, NULL); if( !NT_SUCCESS(status)) return; ///////////////////////////////////////////////////////////////////////// // Save a pointer to thread and close handle. status = ObReferenceObjectByHandle( threadHandle, THREAD_ALL_ACCESS, NULL, KernelMode, &ThreadObjectPointer, NULL); if( NT_SUCCESS(st