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Move ARMv5 (ARM9) barrier instructions into assembler files

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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
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19
ArmPkg/Library/ArmLib/Arm9/Arm9Support.S
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@@ -30,6 +30,10 @@
.globl ASM_PFX(ArmDisableInstructionCache)
.globl ASM_PFX(ArmEnableBranchPrediction)
.globl ASM_PFX(ArmDisableBranchPrediction)
.globl ASM_PFX(ArmDataMemoryBarrier)
.globl ASM_PFX(ArmDataSyncronizationBarrier)
.globl ASM_PFX(ArmInstructionSynchronizationBarrier)
.set DC_ON, (1<<2)
.set IC_ON, (1<<12)
@@ -130,5 +134,20 @@ ASM_PFX(ArmEnableBranchPrediction):
ASM_PFX(ArmDisableBranchPrediction):
bx LR @Branch prediction is not supported.
ASM_PFX(ArmDataMemoryBarrier):
mov R0, #0
mcr P15, #0, R0, C7, C10, #5 @ check if this is OK?
bx LR
ASM_PFX(ArmDataSyncronizationBarrier):
mov R0, #0
mcr P15, #0, R0, C7, C10, #4 @ check if this is OK?
bx LR
ASM_PFX(ArmInstructionSynchronizationBarrier):
mov R0, #0
mcr P15, #0, R0, C7, C5, #4 @ check if this is OK?
bx LR
ASM_FUNCTION_REMOVE_IF_UNREFERENCED