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
This commit is contained in:
andrewfish
2010-02-24 23:20:00 +00:00
parent 026c3d34ee
commit 4b9fa12943
4 changed files with 37 additions and 51 deletions

View File

@@ -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