X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=ArmPkg%2FInclude%2FAsmMacroIoLib.inc;h=5644bf9b3076f02ae16fd4ddb7ccd8bcd1d3f36d;hp=23f3c44d6bb789d2754776955efd196686c60007;hb=639a76d1912f8eb07e26b1a8f2393b682be65f2c;hpb=2ef2b01e07c02db339f34004445734a2dbdd80e1

diff --git a/ArmPkg/Include/AsmMacroIoLib.inc b/ArmPkg/Include/AsmMacroIoLib.inc
index 23f3c44d6b..5644bf9b30 100644
--- a/ArmPkg/Include/AsmMacroIoLib.inc
+++ b/ArmPkg/Include/AsmMacroIoLib.inc
@@ -2,7 +2,14 @@
 ;/** @file
 ;  Macros to work around lack of Apple support for LDR register, =expr
 ;
-;  Copyright (c) 2009, Apple, Inc.  All rights reserved.
+;  Copyright (c) 2009, Apple Inc. 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.  
 ;
 ;**/
 
@@ -70,5 +77,21 @@
   LoadConstantToRegMacro $Data, $Reg 
   ldr  $Reg, =($Data) 
   MEND 
+  
+  MACRO
+  GetCorePositionInStack $Pos, $MpId, $Tmp
+  lsr   $Pos, $MpId, #6
+  and   $Tmp, $MpId, #3
+  add   $Pos, $Pos, $Tmp
+  MEND
+  
+  ; The reserved place must be 8-bytes aligned for pushing 64-bit variable on the stack
+  MACRO
+  SetPrimaryStack $StackTop, $GlobalSize, $Tmp
+  and     $Tmp, $GlobalSize, #7
+  rsbne   $Tmp, $Tmp, #8
+  add     $GlobalSize, $GlobalSize, $Tmp
+  sub     sp, $StackTop, $GlobalSize
+  MEND
 
   END