Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Olivier Martin <olivier.martin@arm.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14615 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			40 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			NASM
		
	
	
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			NASM
		
	
	
	
	
	
| ;------------------------------------------------------------------------------
 | |
| ;
 | |
| ; MemoryFence() for AArch64
 | |
| ;
 | |
| ; Copyright (c) 2013, ARM Ltd. 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.
 | |
| ;
 | |
| ;------------------------------------------------------------------------------
 | |
| 
 | |
|     EXPORT MemoryFence
 | |
| 
 | |
|     AREA MemoryBarriers, CODE, READONLY
 | |
| 
 | |
| ;/**
 | |
| ;  Used to serialize load and store operations.
 | |
| ;
 | |
| ;  All loads and stores that proceed calls to this function are guaranteed to be
 | |
| ;  globally visible when this function returns.
 | |
| ;
 | |
| ;**/
 | |
| ;VOID
 | |
| ;EFIAPI
 | |
| ;MemoryFence (
 | |
| ;  VOID
 | |
| ;  );
 | |
| ;
 | |
| MemoryFence FUNCTION
 | |
|     dmb
 | |
|     bx      lr
 | |
|     ENDFUNC
 | |
| 
 | |
|     END
 |