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
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@@ -28,6 +28,9 @@
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EXPORT ArmDisableInstructionCache
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EXPORT ArmEnableBranchPrediction
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EXPORT ArmDisableBranchPrediction
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EXPORT ArmDataMemoryBarrier
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EXPORT ArmDataSyncronizationBarrier
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EXPORT ArmInstructionSynchronizationBarrier
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DC_ON EQU ( 0x1:SHL:2 )
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@@ -132,4 +135,19 @@ ArmEnableBranchPrediction
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ArmDisableBranchPrediction
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bx LR ;Branch prediction is not supported.
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ASM_PFX(ArmDataMemoryBarrier):
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mov R0, #0
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mcr P15, #0, R0, C7, C10, #5 ; Check to see if this is correct
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bx LR
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ASM_PFX(ArmDataSyncronizationBarrier):
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mov R0, #0
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mcr P15, #0, R0, C7, C10, #4 ; Check to see if this is correct
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bx LR
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ASM_PFX(ArmInstructionSynchronizationBarrier):
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MOV R0, #0
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MCR P15, #0, R0, C7, C5, #4 ; Check to see if this is correct
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bx LR
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END
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