1 files changed, 164 insertions, 0 deletions
diff --git a/ArmPkg/Library/ArmLib/Arm9/Arm9CacheInformation.c b/ArmPkg/Library/ArmLib/Arm9/Arm9CacheInformation.c
new file mode 100644
index 0000000000..a8207b905f
--- /dev/null
+++ b/ArmPkg/Library/ArmLib/Arm9/Arm9CacheInformation.c
@@ -0,0 +1,164 @@
+/** @file
+
+  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.
+
+**/
+
+#include <Library/ArmLib.h>
+#include "ArmLibPrivate.h"
+
+ARM_CACHE_TYPE
+EFIAPI
+ArmCacheType (
+  VOID
+  )
+{
+  switch (CACHE_TYPE(Cp15CacheInfo()))
+  {
+    case CACHE_TYPE_WRITE_BACK: return ARM_CACHE_TYPE_WRITE_BACK;
+    default:                    return ARM_CACHE_TYPE_UNKNOWN;
+  }
+}
+
+ARM_CACHE_ARCHITECTURE
+EFIAPI
+ArmCacheArchitecture (
+  VOID
+  )
+{
+  switch (CACHE_ARCHITECTURE(Cp15CacheInfo()))
+  {
+    case CACHE_ARCHITECTURE_UNIFIED:  return ARM_CACHE_ARCHITECTURE_UNIFIED;
+    case CACHE_ARCHITECTURE_SEPARATE: return ARM_CACHE_ARCHITECTURE_SEPARATE;
+    default:                          return ARM_CACHE_ARCHITECTURE_UNKNOWN;
+  }
+}
+
+BOOLEAN
+EFIAPI
+ArmDataCachePresent (
+  VOID
+  )
+{
+  switch (DATA_CACHE_PRESENT(Cp15CacheInfo()))
+  {
+    case CACHE_PRESENT:     return TRUE;
+    case CACHE_NOT_PRESENT: return FALSE;
+    default:                return FALSE;
+  }
+}
+  
+UINTN
+EFIAPI
+ArmDataCacheSize (
+  VOID
+  )
+{
+  switch (DATA_CACHE_SIZE(Cp15CacheInfo()))
+  {
+    case CACHE_SIZE_4_KB:   return   4 * 1024;      
+    case CACHE_SIZE_8_KB:   return   8 * 1024;
+    case CACHE_SIZE_16_KB:  return  16 * 1024;      
+    case CACHE_SIZE_32_KB:  return  32 * 1024;
+    case CACHE_SIZE_64_KB:  return  64 * 1024;
+    case CACHE_SIZE_128_KB: return 128 * 1024;
+    default:                return   0;
+  }
+}
+  
+UINTN
+EFIAPI
+ArmDataCacheAssociativity (
+  VOID
+  )
+{
+  switch (DATA_CACHE_ASSOCIATIVITY(Cp15CacheInfo()))
+  {
+    case CACHE_ASSOCIATIVITY_4_WAY:   return 4;
+    case CACHE_ASSOCIATIVITY_DIRECT:  return 1;
+    default:                          return 0;
+  }
+}
+  
+UINTN
+EFIAPI
+ArmDataCacheLineLength (
+  VOID
+  )
+{
+  switch (DATA_CACHE_LINE_LENGTH(Cp15CacheInfo()))
+  {
+    case CACHE_LINE_LENGTH_32_BYTES: return 32;
+    default:                         return  0;
+  }
+}
+  
+BOOLEAN
+EFIAPI
+ArmInstructionCachePresent (
+  VOID
+  )
+{
+  switch (INSTRUCTION_CACHE_PRESENT(Cp15CacheInfo()))
+  {
+    case CACHE_PRESENT:     return TRUE;
+    case CACHE_NOT_PRESENT: return FALSE;
+    default:                return FALSE;
+  }
+}
+  
+UINTN
+EFIAPI
+ArmInstructionCacheSize (
+  VOID
+  )
+{
+  switch (INSTRUCTION_CACHE_SIZE(Cp15CacheInfo()))
+  {
+    case CACHE_SIZE_4_KB:   return   4 * 1024;      
+    case CACHE_SIZE_8_KB:   return   8 * 1024;
+    case CACHE_SIZE_16_KB:  return  16 * 1024;      
+    case CACHE_SIZE_32_KB:  return  32 * 1024;
+    case CACHE_SIZE_64_KB:  return  64 * 1024;
+    case CACHE_SIZE_128_KB: return 128 * 1024;
+    default:                return   0;
+  }
+}
+  
+UINTN
+EFIAPI
+ArmInstructionCacheAssociativity (
+  VOID
+  )
+{
+  switch (INSTRUCTION_CACHE_ASSOCIATIVITY(Cp15CacheInfo()))
+  {
+    case CACHE_ASSOCIATIVITY_8_WAY:   return 8;
+    case CACHE_ASSOCIATIVITY_4_WAY:   return 4;
+    case CACHE_ASSOCIATIVITY_DIRECT:  return 1;
+    default:                          return 0;
+  }
+}
+  
+UINTN
+EFIAPI
+ArmInstructionCacheLineLength (
+  VOID
+  )
+{
+  switch (INSTRUCTION_CACHE_LINE_LENGTH(Cp15CacheInfo()))
+  {
+    case CACHE_LINE_LENGTH_32_BYTES: return 32;
+    default:                         return  0;
+  }
+}
+
+