diff options
Diffstat (limited to 'ArmPkg/Library/ArmLib/Arm9/Arm9Support.asm')
| -rw-r--r-- | ArmPkg/Library/ArmLib/Arm9/Arm9Support.asm | 18 |
1 files changed, 18 insertions, 0 deletions
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 |