READ_REGISTER_ULONG64 macro

The READ_REGISTER_ULONG64 macro reads a ULONG64 value from the specified register address.

Syntax


ULONG64 READ_REGISTER_ULONG64(
  [in] ULONG64 volatile *Register
);

Parameters

Register [in]

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

Return value

READ_REGISTER_ULONG64 returns the ULONG64 value that is read from the specified register address.

Remarks

Callers of the READ_REGISTER_ULONG64 macro can be running at any IRQL, assuming the Register address is resident, mapped device memory.

Requirements

Target platform

Version

Available only in 64-bit versions of Windows.

Header

Wdm.h (include Wdm.h)

IRQL

Any level (see Remarks section)

 

 

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