READ_REGISTER_ULONG function (miniport.h)

  • Article

The READ_REGISTER_ULONG routine reads a ULONG value from the specified register address.

Syntax

ULONG READ_REGISTER_ULONG(
  [in] volatile ULONG *Register
);

Parameters

[in] Register

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

Return value

READ_REGISTER_ULONG returns the ULONG value read from the specified register address.

Remarks

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

Requirements

Requirement Value
Minimum supported client Available starting with Windows 2000.
Target Platform Universal
Header miniport.h (include Wdm.h, Ntddk.h, Ntifs.h, Ioaccess.h, Miniport.h, Wudfwdm.h)
Library NtosKrnl.lib
DLL NtosKrnl.exe
IRQL Any level (see Remarks section)