Change Cortex-A8 references to ARMv7. Cortex-A8 is a branded implementation of the ARMv7 processor architecture.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10022 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 147 insertions, 0 deletions

diff --git a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.asm b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.asm
new file mode 100644
index 0000000000..700942dd17
--- /dev/null
+++ b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.asm
@@ -0,0 +1,147 @@
+//------------------------------------------------------------------------------ 
+//
+// 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.
+//
+//------------------------------------------------------------------------------
+
+    EXPORT  ArmInvalidateInstructionCache
+    EXPORT  ArmInvalidateDataCacheEntryByMVA
+    EXPORT  ArmCleanDataCacheEntryByMVA
+    EXPORT  ArmCleanInvalidateDataCacheEntryByMVA
+    EXPORT  ArmInvalidateDataCacheEntryBySetWay
+    EXPORT  ArmCleanDataCacheEntryBySetWay
+    EXPORT  ArmCleanInvalidateDataCacheEntryBySetWay
+    EXPORT  ArmDrainWriteBuffer
+    EXPORT  ArmEnableMmu
+    EXPORT  ArmDisableMmu
+    EXPORT  ArmMmuEnabled
+    EXPORT  ArmEnableDataCache
+    EXPORT  ArmDisableDataCache
+    EXPORT  ArmEnableInstructionCache
+    EXPORT  ArmDisableInstructionCache
+    EXPORT  ArmEnableBranchPrediction
+    EXPORT  ArmDisableBranchPrediction
+
+DC_ON       EQU     ( 0x1:SHL:2 )
+IC_ON       EQU     ( 0x1:SHL:12 )
+XP_ON       EQU     ( 0x1:SHL:23 )
+
+
+    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
+
+
+ArmInvalidateDataCacheEntryBySetWay
+  mcr     p15, 0, r0, c7, c6, 2        ; Invalidate this line		
+  bx      lr
+
+
+ArmCleanInvalidateDataCacheEntryBySetWay
+  mcr     p15, 0, r0, c7, c14, 2       ; Clean and Invalidate this line		
+  bx      lr
+
+
+ArmCleanDataCacheEntryBySetWay
+  mcr     p15, 0, r0, c7, c10, 2       ; Clean this line		
+  bx      lr
+
+
+ArmDrainWriteBuffer
+  mcr     p15, 0, r0, c7, c10, 4       ; Drain write buffer for sync
+  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,c5,4      ;Instruction synchronization barrier
+  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
+  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
+
+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
+
+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
+
+ArmEnableBranchPrediction
+  mrc     p15, 0, r0, c1, c0, 0
+  orr     r0, r0, #0x00000800
+  mcr     p15, 0, r0, c1, c0, 0
+  bx      LR
+
+ArmDisableBranchPrediction
+  mrc     p15, 0, r0, c1, c0, 0
+  bic     r0, r0, #0x00000800
+  mcr     p15, 0, r0, c1, c0, 0
+  bx      LR
+
+    END