Updated Hardware Interrupt protocol to add an EOI member. Added ARM Data/Instruction syncronization barrier support to the ARM lib.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10063 6f19259b-4bc3-4df7-8a09-765794883524
2010-02-24 22:38:46 +00:00
parent 14e00c13be
commit 026c3d34ee
10 changed files with 187 additions and 147 deletions
--- a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.asm
+++ b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.asm
@@ -30,6 +30,10 @@
    EXPORT  ArmEnableBranchPrediction
    EXPORT  ArmDisableBranchPrediction
    EXPORT  ArmV7AllDataCachesOperation
+    EXPORT  ArmDataMemoryBarrier
+    EXPORT  ArmDataSyncronizationBarrier
+    EXPORT  ArmInstructionSynchronizationBarrier
+

 DC_ON       EQU     ( 0x1:SHL:2 )
 IC_ON       EQU     ( 0x1:SHL:12 )
@@ -217,4 +221,17 @@ Finished
  LDMFD SP!, {r4-r12, lr}
  BX    LR

+
+ArmDataMemoryBarrier
+  DMB
+  BX      LR
+  
+ArmDataSyncronizationBarrier
+  DSB
+  BX      LR
+  
+ArmInstructionSynchronizationBarrier
+  ISB
+  BX      LR
+
    END