WRITE_REGISTER_BUFFER_ULONG routine

The WRITE_REGISTER_BUFFER_ULONG routine writes a number of ULONG values from a buffer to the specified register.

Syntax


VOID WRITE_REGISTER_BUFFER_ULONG(
  _In_ PULONG Register,
  _In_ PULONG Buffer,
  _In_ ULONG  Count
);

Parameters

Register [in]

Pointer to the register, which must be a mapped range in memory space.

Buffer [in]

Pointer to a buffer from which an array of ULONG values is to be written.

Count [in]

Specifies the number of ULONG values to be written to the register.

Return value

None

Remarks

The size of the buffer must be large enough to contain at least the specified number of ULONG values.

Callers of WRITE_REGISTER_BUFFER_ULONG can be running at any IRQL, assuming the Buffer is resident and the Register is resident, mapped device memory.

Requirements

Target platform

Universal

Version

Available starting with Windows 2000.

Header

Wdm.h (include Wdm.h, Ntddk.h, or Ntifs.h)

Library

NtosKrnl.lib

DLL

NtosKrnl.exe

IRQL

Any level (see Remarks section)

 

 

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