mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-01 12:53:27 +01:00
33 lines
546 B
C
33 lines
546 B
C
|
/** @file
|
||
|
|
AsmReadDr7 function
|
||
|
|
|
||
|
|
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
|
||
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
||
|
|
|
||
|
|
**/
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
Reads the current value of Debug Register 7 (DR7).
|
||
|
|
|
||
|
|
Reads and returns the current value of DR7. 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 7 (DR7).
|
||
|
|
|
||
|
|
**/
|
||
|
|
UINTN
|
||
|
|
EFIAPI
|
||
|
|
AsmReadDr7 (
|
||
|
|
VOID
|
||
|
|
)
|
||
|
|
{
|
||
|
|
__asm {
|
||
|
|
mov eax, dr7
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|