/** @file | |
AsmWriteDr2 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. | |
**/ | |
/** | |
Writes a value to Debug Register 2 (DR2). | |
Writes and returns a new value to DR2. This function is only available on | |
IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64. | |
@param Value The value to write to Dr2. | |
@return The value written to Debug Register 2 (DR2). | |
**/ | |
UINTN | |
EFIAPI | |
AsmWriteDr2 ( | |
IN UINTN Value | |
) | |
{ | |
_asm { | |
mov eax, Value | |
mov dr2, eax | |
} | |
} | |