1/// @file
2///  IPF specific AsmReadCpuid()function
3///
4/// Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
5/// This program and the accompanying materials
6/// are licensed and made available under the terms and conditions of the BSD License
7/// which accompanies this distribution.  The full text of the license may be found at
8/// http://opensource.org/licenses/bsd-license.php.
9///
10/// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11/// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12///
13/// Module Name: ReadCpuid.s
14///
15///
16
17//---------------------------------------------------------------------------------
18//++
19// AsmReadCpuid
20//
21// This routine is used to Reads the current value of Processor Identifier Register (CPUID).
22//
23// Arguments :
24//
25// On Entry : The 8-bit Processor Identifier Register index to read.
26//
27// Return Value: The current value of Processor Identifier Register specified by Index.
28//
29//--
30//----------------------------------------------------------------------------------
31.text
32.type   AsmReadCpuid, @function
33.proc   AsmReadCpuid
34.regstk 1, 0, 0, 0
35
36AsmReadCpuid::
37        mov             r8 = cpuid[in0];;
38        br.ret.dpnt     b0;;
39.endp    AsmReadCpuid
40
41