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-rw-r--r--ArmPkg/Library/ArmLib/Arm9/Arm9Support.asm306
1 files changed, 153 insertions, 153 deletions
diff --git a/ArmPkg/Library/ArmLib/Arm9/Arm9Support.asm b/ArmPkg/Library/ArmLib/Arm9/Arm9Support.asm
index dfee136b2b..fc87828e20 100644
--- a/ArmPkg/Library/ArmLib/Arm9/Arm9Support.asm
+++ b/ArmPkg/Library/ArmLib/Arm9/Arm9Support.asm
@@ -1,153 +1,153 @@
-//------------------------------------------------------------------------------
-//
-// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
-//
-// 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.
-//
-//------------------------------------------------------------------------------
-
- EXPORT ArmCleanInvalidateDataCache
- EXPORT ArmCleanDataCache
- EXPORT ArmInvalidateDataCache
- EXPORT ArmInvalidateInstructionCache
- EXPORT ArmInvalidateDataCacheEntryByMVA
- EXPORT ArmCleanDataCacheEntryByMVA
- EXPORT ArmCleanInvalidateDataCacheEntryByMVA
- EXPORT ArmEnableMmu
- EXPORT ArmDisableMmu
- EXPORT ArmMmuEnabled
- EXPORT ArmEnableDataCache
- EXPORT ArmDisableDataCache
- EXPORT ArmEnableInstructionCache
- EXPORT ArmDisableInstructionCache
- EXPORT ArmEnableBranchPrediction
- EXPORT ArmDisableBranchPrediction
- EXPORT ArmDataMemoryBarrier
- EXPORT ArmDataSyncronizationBarrier
- EXPORT ArmInstructionSynchronizationBarrier
-
-
-DC_ON EQU ( 0x1:SHL:2 )
-IC_ON EQU ( 0x1:SHL:12 )
-
- AREA ArmCacheLib, CODE, READONLY
- PRESERVE8
-
-
-ArmInvalidateDataCacheEntryByMVA
- MCR p15, 0, r0, c7, c6, 1 ; invalidate single data cache line
- BX lr
-
-
-ArmCleanDataCacheEntryByMVA
- MCR p15, 0, r0, c7, c10, 1 ; clean single data cache line
- BX lr
-
-
-ArmCleanInvalidateDataCacheEntryByMVA
- MCR p15, 0, r0, c7, c14, 1 ; clean and invalidate single data cache line
- BX lr
-
-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
-
-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
-
-ArmInvalidateInstructionCache
- MOV R0,#0
- MCR p15,0,R0,c7,c5,0 ;Invalidate entire instruction cache
- MOV R0,#0
- MCR p15,0,R0,c7,c10,4 ;Drain write buffer
- BX LR
-
-ArmEnableMmu
- mrc p15,0,R0,c1,c0,0
- orr R0,R0,#1
- mcr p15,0,R0,c1,c0,0
- bx LR
-
-ArmMmuEnabled
- mrc p15,0,R0,c1,c0,0
- and R0,R0,#1
- bx LR
-
-ArmDisableMmu
- mrc p15,0,R0,c1,c0,0
- bic R0,R0,#1
- mcr p15,0,R0,c1,c0,0
- mov R0,#0
- mcr p15,0,R0,c7,c10,4 ;Drain write buffer
- bx LR
-
-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
-
-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
-
-ArmCleanDataCache
- MRC p15,0,r15,c7,c10,3
- BNE ArmCleanDataCache
- MOV R0,#0
- MCR p15,0,R0,c7,c10,4 ;Drain write buffer
- BX LR
-
-ArmInvalidateDataCache
- MOV R0,#0
- MCR p15,0,R0,c7,c6,0 ;Invalidate entire data cache
- MOV R0,#0
- MCR p15,0,R0,c7,c10,4 ;Drain write buffer
- BX LR
-
-ArmCleanInvalidateDataCache
- MRC p15,0,r15,c7,c14,3
- BNE ArmCleanInvalidateDataCache
- MOV R0,#0
- MCR p15,0,R0,c7,c10,4 ;Drain write buffer
- BX LR
-
-ArmEnableBranchPrediction
- bx LR ;Branch prediction is not supported.
-
-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
+//------------------------------------------------------------------------------
+//
+// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+//
+// 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.
+//
+//------------------------------------------------------------------------------
+
+ EXPORT ArmCleanInvalidateDataCache
+ EXPORT ArmCleanDataCache
+ EXPORT ArmInvalidateDataCache
+ EXPORT ArmInvalidateInstructionCache
+ EXPORT ArmInvalidateDataCacheEntryByMVA
+ EXPORT ArmCleanDataCacheEntryByMVA
+ EXPORT ArmCleanInvalidateDataCacheEntryByMVA
+ EXPORT ArmEnableMmu
+ EXPORT ArmDisableMmu
+ EXPORT ArmMmuEnabled
+ EXPORT ArmEnableDataCache
+ EXPORT ArmDisableDataCache
+ EXPORT ArmEnableInstructionCache
+ EXPORT ArmDisableInstructionCache
+ EXPORT ArmEnableBranchPrediction
+ EXPORT ArmDisableBranchPrediction
+ EXPORT ArmDataMemoryBarrier
+ EXPORT ArmDataSyncronizationBarrier
+ EXPORT ArmInstructionSynchronizationBarrier
+
+
+DC_ON EQU ( 0x1:SHL:2 )
+IC_ON EQU ( 0x1:SHL:12 )
+
+ AREA ArmCacheLib, CODE, READONLY
+ PRESERVE8
+
+
+ArmInvalidateDataCacheEntryByMVA
+ MCR p15, 0, r0, c7, c6, 1 ; invalidate single data cache line
+ BX lr
+
+
+ArmCleanDataCacheEntryByMVA
+ MCR p15, 0, r0, c7, c10, 1 ; clean single data cache line
+ BX lr
+
+
+ArmCleanInvalidateDataCacheEntryByMVA
+ MCR p15, 0, r0, c7, c14, 1 ; clean and invalidate single data cache line
+ BX lr
+
+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
+
+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
+
+ArmInvalidateInstructionCache
+ MOV R0,#0
+ MCR p15,0,R0,c7,c5,0 ;Invalidate entire instruction cache
+ MOV R0,#0
+ MCR p15,0,R0,c7,c10,4 ;Drain write buffer
+ BX LR
+
+ArmEnableMmu
+ mrc p15,0,R0,c1,c0,0
+ orr R0,R0,#1
+ mcr p15,0,R0,c1,c0,0
+ bx LR
+
+ArmMmuEnabled
+ mrc p15,0,R0,c1,c0,0
+ and R0,R0,#1
+ bx LR
+
+ArmDisableMmu
+ mrc p15,0,R0,c1,c0,0
+ bic R0,R0,#1
+ mcr p15,0,R0,c1,c0,0
+ mov R0,#0
+ mcr p15,0,R0,c7,c10,4 ;Drain write buffer
+ bx LR
+
+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
+
+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
+
+ArmCleanDataCache
+ MRC p15,0,r15,c7,c10,3
+ BNE ArmCleanDataCache
+ MOV R0,#0
+ MCR p15,0,R0,c7,c10,4 ;Drain write buffer
+ BX LR
+
+ArmInvalidateDataCache
+ MOV R0,#0
+ MCR p15,0,R0,c7,c6,0 ;Invalidate entire data cache
+ MOV R0,#0
+ MCR p15,0,R0,c7,c10,4 ;Drain write buffer
+ BX LR
+
+ArmCleanInvalidateDataCache
+ MRC p15,0,r15,c7,c14,3
+ BNE ArmCleanInvalidateDataCache
+ MOV R0,#0
+ MCR p15,0,R0,c7,c10,4 ;Drain write buffer
+ BX LR
+
+ArmEnableBranchPrediction
+ bx LR ;Branch prediction is not supported.
+
+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