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/** @file
AsmReadDr5 function
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
/**
Reads the current value of Debug Register 5 (DR5).
Reads and returns the current value of DR5. 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.
@return The value of Debug Register 5 (DR5).
**/
UINTN
EFIAPI
AsmReadDr5 (
VOID
)
{
__asm {
_emit 0x0f
_emit 0x21
_emit 0xe8
}
}
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