From 4b9fa12943e65c65d8bf905aba36f035bff8997b Mon Sep 17 00:00:00 2001
From: andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Wed, 24 Feb 2010 23:20:00 +0000
Subject: Move ARMv5 (ARM9) barrier instructions into assembler files

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10064 6f19259b-4bc3-4df7-8a09-765794883524
---
 ArmPkg/Library/ArmLib/Arm9/Arm9Support.asm | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'ArmPkg/Library/ArmLib/Arm9/Arm9Support.asm')

diff --git a/ArmPkg/Library/ArmLib/Arm9/Arm9Support.asm b/ArmPkg/Library/ArmLib/Arm9/Arm9Support.asm
index 82634c7929..e4acca1519 100644
--- a/ArmPkg/Library/ArmLib/Arm9/Arm9Support.asm
+++ b/ArmPkg/Library/ArmLib/Arm9/Arm9Support.asm
@@ -28,6 +28,9 @@
     EXPORT  ArmDisableInstructionCache
     EXPORT  ArmEnableBranchPrediction
     EXPORT  ArmDisableBranchPrediction
+    EXPORT  ArmDataMemoryBarrier
+    EXPORT  ArmDataSyncronizationBarrier
+    EXPORT  ArmInstructionSynchronizationBarrier
 
 
 DC_ON       EQU     ( 0x1:SHL:2 )
@@ -132,4 +135,19 @@ ArmEnableBranchPrediction
 ArmDisableBranchPrediction
   bx      LR                    ;Branch prediction is not supported.
 
+ASM_PFX(ArmDataMemoryBarrier):
+  mov R0, #0
+  mcr P15, #0, R0, C7, C10, #5  ; Check to see if this is correct
+  bx      LR
+  
+ASM_PFX(ArmDataSyncronizationBarrier):
+  mov R0, #0
+  mcr P15, #0, R0, C7, C10, #4 ; Check to see if this is correct
+  bx      LR
+  
+ASM_PFX(ArmInstructionSynchronizationBarrier):
+  MOV R0, #0
+  MCR P15, #0, R0, C7, C5, #4 ; Check to see if this is correct
+  bx      LR
+
     END
-- 
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