C++ (Cpp) READ_PORT_BUFFER_UCHAR 예제들

예제 #1

VOID
ScsiPortReadPortBufferUchar(
    IN PUCHAR Port,
    IN PUCHAR Buffer,
    IN ULONG  Count
)

/*++

Routine Description:

    Read a buffer of unsigned bytes from the specified port address.

Arguments:

    Port - Supplies a pointer to the port address.
    Buffer - Supplies a pointer to the data buffer area.
    Count - The count of items to move.

Return Value:

    None

--*/

{

    READ_PORT_BUFFER_UCHAR(Port, Buffer, Count);

}

예제 #2

파일: stubs.c 프로젝트: RareHare/reactos

VOID
NTAPI
ScsiPortReadPortBufferUchar(
    IN PUCHAR Port,
    IN PUCHAR Buffer,
    IN ULONG  Count)
{
    READ_PORT_BUFFER_UCHAR(Port, Buffer, Count);
}

예제 #3

VOID
NTAPI
VideoPortReadPortBufferUchar(
    PUCHAR Port,
    PUCHAR Buffer,
    ULONG Count)
{
    READ_PORT_BUFFER_UCHAR(Port, Buffer, Count);
}

예제 #4

파일: HelloWDM.cpp 프로젝트: cutepig123/GeneralUtility

NTSTATUS DispatchControl(PDEVICE_OBJECT fdo, PIRP Irp)
{							// DispatchControl
	PAGED_CODE();
	PDEVICE_EXTENSION pdx = (PDEVICE_EXTENSION) fdo->DeviceExtension;

	NTSTATUS status;

	ULONG info = 0;

	PIO_STACK_LOCATION stack = IoGetCurrentIrpStackLocation(Irp);
	ULONG cbin = stack->Parameters.DeviceIoControl.InputBufferLength;
	ULONG cbout = stack->Parameters.DeviceIoControl.OutputBufferLength;
	ULONG code = stack->Parameters.DeviceIoControl.IoControlCode;

	switch (code)
	{						// process request
	case IOCTL_READ_BASE_BAR0:
		{
			ULONG offset = *(ULONG*)(Irp->AssociatedIrp.SystemBuffer);
			PUCHAR buff = (PUCHAR)ExAllocatePool(NonPagedPool,cbout);
			READ_REGISTER_BUFFER_UCHAR((PUCHAR)pdx->MemBar0+offset,buff,cbout);
			RtlCopyMemory(Irp->AssociatedIrp.SystemBuffer, buff, cbout);
			ExFreePool(buff);
			info = cbout;
			break;
		}
	case IOCTL_WRITE_BASE_BAR0:
		{
			int* tempPointer = (int*)Irp->AssociatedIrp.SystemBuffer;
			ULONG offset = *(ULONG*)(tempPointer);
			tempPointer++;
			PUCHAR buff = *(PUCHAR*)(tempPointer);
			tempPointer++;
			ULONG nInputNumber = *(ULONG*)(tempPointer);
			WRITE_REGISTER_BUFFER_UCHAR((PUCHAR)pdx->MemBar0+offset,buff,nInputNumber);
			break;
		}
	case IOCTL_READ_BASE_BAR2:
		{
			ULONG offset = *(ULONG*)(Irp->AssociatedIrp.SystemBuffer);
			PUCHAR buff = (PUCHAR)ExAllocatePool(NonPagedPool,cbout);
			READ_PORT_BUFFER_UCHAR(pdx->portbase+offset,buff,cbout);
			RtlCopyMemory(Irp->AssociatedIrp.SystemBuffer, buff, cbout);
			ExFreePool(buff);
			info = cbout;
			break;
		}
	case IOCTL_WRITE_BASE_BAR2:
		{
			int* tempPointer = (int*)Irp->AssociatedIrp.SystemBuffer;
			ULONG offset = *(ULONG*)(tempPointer);
			tempPointer++;
			PUCHAR buff = *(PUCHAR*)(tempPointer);
			tempPointer++;
			ULONG nInputNumber = *(ULONG*)(tempPointer);
			WRITE_PORT_BUFFER_UCHAR(pdx->portbase+offset,buff,nInputNumber);
			break;
		}
	case IOCTL_READ_IMAGE:
		{
			
			PUCHAR buff = (PUCHAR)ExAllocatePool(NonPagedPool,cbout);
			READ_REGISTER_BUFFER_UCHAR((PUCHAR)pdx->MemForImage,buff,cbout);
			RtlCopyMemory(Irp->AssociatedIrp.SystemBuffer, buff, cbout);
			ExFreePool(buff);
			info = cbout;
			break; 
		}
	case IOCTL_WRITE_IMAGE:
		{
			PUCHAR buff = (PUCHAR)ExAllocatePool(NonPagedPool,cbin);
			RtlCopyMemory(buff,Irp->AssociatedIrp.SystemBuffer,cbin);
			WRITE_REGISTER_BUFFER_UCHAR((PUCHAR)pdx->MemForImage,buff,cbin);
			ExFreePool(buff);
			info = cbin;
			break; 
		}
	case IOCTL_ENABLE_INT:
		{
			//允许中断
			UCHAR HSR = READ_PORT_UCHAR(pdx->portbase);
			HSR = HSR & 0xFB;
			WRITE_PORT_UCHAR(pdx->portbase,HSR);
			break;
		}

	case IOCTL_DISABLE_INT:
		{
			//关中断
			UCHAR HSR  = READ_PORT_UCHAR(pdx->portbase);
			HSR = HSR | 0x4;
			WRITE_PORT_UCHAR(pdx->portbase,HSR);
			break;
		}

	default:
		status = STATUS_INVALID_DEVICE_REQUEST;
		break;

	}						// process request

	return CompleteRequest(Irp, status, info);
}