mirror of https://github.com/acidanthera/audk.git
39 lines
864 B
C
39 lines
864 B
C
/** @file
|
|
AsmReadCs function
|
|
|
|
Copyright (c) 2006 - 2007, Intel Corporation<BR>
|
|
All rights reserved. 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 Code Segment Register (CS).
|
|
|
|
Reads and returns the current value of CS. This function is only available on
|
|
IA-32 and X64.
|
|
|
|
@return The current value of CS.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
AsmReadCs (
|
|
VOID
|
|
)
|
|
{
|
|
__asm {
|
|
xor eax, eax
|
|
mov ax, cs
|
|
}
|
|
}
|
|
|