-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2008-2009 Apple Inc. All rights reserved.
-#
-# All rights reserved. This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-#------------------------------------------------------------------------------
-
-.text
-.align 2
-.globl ASM_PFX(ArmInvalidateInstructionCache)
-.globl ASM_PFX(ArmInvalidateDataCacheEntryByMVA)
-.globl ASM_PFX(ArmCleanDataCacheEntryByMVA)
-.globl ASM_PFX(ArmCleanInvalidateDataCacheEntryByMVA)
-.globl ASM_PFX(ArmInvalidateDataCacheEntryBySetWay)
-.globl ASM_PFX(ArmCleanDataCacheEntryBySetWay)
-.globl ASM_PFX(ArmCleanInvalidateDataCacheEntryBySetWay)
-.globl ASM_PFX(ArmDrainWriteBuffer)
-.globl ASM_PFX(ArmEnableMmu)
-.globl ASM_PFX(ArmDisableMmu)
-.globl ASM_PFX(ArmMmuEnabled)
-.globl ASM_PFX(ArmEnableDataCache)
-.globl ASM_PFX(ArmDisableDataCache)
-.globl ASM_PFX(ArmEnableInstructionCache)
-.globl ASM_PFX(ArmDisableInstructionCache)
-.globl ASM_PFX(ArmEnableExtendPTConfig)
-.globl ASM_PFX(ArmDisableExtendPTConfig)
-.globl ASM_PFX(ArmEnableBranchPrediction)
-.globl ASM_PFX(ArmDisableBranchPrediction)
-
-.set DC_ON, (0x1<<2)
-.set IC_ON, (0x1<<12)
-.set XP_ON, (0x1<<23)
-
-ASM_PFX(ArmInvalidateDataCacheEntryByMVA):
- mcr p15, 0, r0, c7, c6, 1 @invalidate single data cache line
- bx lr
-
-
-ASM_PFX(ArmCleanDataCacheEntryByMVA):
- mcr p15, 0, r0, c7, c10, 1 @clean single data cache line
- bx lr
-
-
-ASM_PFX(ArmCleanInvalidateDataCacheEntryByMVA):
- mcr p15, 0, r0, c7, c14, 1 @clean and invalidate single data cache line
- bx lr
-
-
-ASM_PFX(ArmInvalidateDataCacheEntryBySetWay):
- mcr p15, 0, r0, c7, c6, 2 @ Invalidate this line
- bx lr
-
-
-ASM_PFX(ArmCleanInvalidateDataCacheEntryBySetWay):
- mcr p15, 0, r0, c7, c14, 2 @ Clean and Invalidate this line
- bx lr
-
-
-ASM_PFX(ArmCleanDataCacheEntryBySetWay):
- mcr p15, 0, r0, c7, c10, 2 @ Clean this line
- bx lr
-
-
-ASM_PFX(ArmDrainWriteBuffer):
- mcr p15, 0, r0, c7, c10, 4 @ Drain write buffer for sync
- bx lr
-
-
-ASM_PFX(ArmInvalidateInstructionCache):
- mov R0,#0
- mcr p15,0,R0,c7,c5,0 @Invalidate entire instruction cache
- mov R0,#0
- mcr p15,0,R0,c7,c5,4 @Instruction synchronization barrier
- bx LR
-
-ASM_PFX(ArmEnableMmu):
- mrc p15,0,R0,c1,c0,0
- orr R0,R0,#1
- mcr p15,0,R0,c1,c0,0
- bx LR
-
-ASM_PFX(ArmMmuEnabled):
- mrc p15,0,R0,c1,c0,0
- and R0,R0,#1
- bx LR
-
-
-ASM_PFX(ArmDisableMmu):
- mov R0,#0
- mcr p15,0,R0,c13,c0,0 @FCSE PID register must be cleared before disabling MMU
- mrc p15,0,R0,c1,c0,0
- bic R0,R0,#1
- mcr p15,0,R0,c1,c0,0 @Disable MMU
- mov R0,#0
- mcr p15,0,R0,c7,c10,4 @Data synchronization barrier
- mov R0,#0
- mcr p15,0,R0,c7,c5,4 @Instruction synchronization barrier
- bx LR
-
-ASM_PFX(ArmEnableDataCache):
- ldr R1,=DC_ON
- mrc p15,0,R0,c1,c0,0 @Read control register configuration data
- orr R0,R0,R1 @Set C bit
- mcr p15,0,r0,c1,c0,0 @Write control register configuration data
- bx LR
-
-ASM_PFX(ArmDisableDataCache):
- ldr R1,=DC_ON
- mrc p15,0,R0,c1,c0,0 @Read control register configuration data
- bic R0,R0,R1 @Clear C bit
- mcr p15,0,r0,c1,c0,0 @Write control register configuration data
- bx LR
-
-ASM_PFX(ArmEnableInstructionCache):
- ldr R1,=IC_ON
- mrc p15,0,R0,c1,c0,0 @Read control register configuration data
- orr R0,R0,R1 @Set I bit
- mcr p15,0,r0,c1,c0,0 @Write control register configuration data
- bx LR
-
-ASM_PFX(ArmDisableInstructionCache):
- ldr R1,=IC_ON
- mrc p15,0,R0,c1,c0,0 @Read control register configuration data
- bic R0,R0,R1 @Clear I bit.
- mcr p15,0,r0,c1,c0,0 @Write control register configuration data
- bx LR
-
-ASM_PFX(ArmEnableBranchPrediction):
- mrc p15, 0, r0, c1, c0, 0
- orr r0, r0, #0x00000800
- mcr p15, 0, r0, c1, c0, 0
- bx LR
-
-ASM_PFX(ArmDisableBranchPrediction):
- mrc p15, 0, r0, c1, c0, 0
- bic r0, r0, #0x00000800
- mcr p15, 0, r0, c1, c0, 0
- bx LR
-
-ASM_FUNCTION_REMOVE_IF_UNREFERENCED