ReadDr4.c File Reference

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Functions
UINTN EFIAPI	AsmReadDr4 (VOID)

Detailed Description

AsmReadDr4 function

Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file ReadDr4.c.

Function Documentation

AsmReadDr4()

UINTN EFIAPI AsmReadDr4

(

VOID

)

Reads the current value of Debug Register 4 (DR4).

Reads and returns the current value of DR4. This function is only available on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on x64.

Returns

The value of Debug Register 4 (DR4).

Definition at line 21 of file ReadDr4.c.