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author | Olivier Martin <olivier.martin@arm.com> | 2013-08-06 17:41:53 +0000 |
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committer | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-08-06 17:41:53 +0000 |
commit | 6dafb3030d1f5a7c281a7cba6c6f7914b5a3b065 (patch) | |
tree | e67e237f7c2a3a8a3c2709fc05c51ce6e68dd6f0 /ArmPlatformPkg/PrePeiCore/PrePeiCore.c | |
parent | bb058bcdfbfeb91e3c6c3f61559ca3d7239062f9 (diff) | |
download | edk2-6dafb3030d1f5a7c281a7cba6c6f7914b5a3b065.tar.gz edk2-6dafb3030d1f5a7c281a7cba6c6f7914b5a3b065.tar.bz2 edk2-6dafb3030d1f5a7c281a7cba6c6f7914b5a3b065.zip |
ArmPlatformPkg: PrePei Cache disable and invalidate.
- Disable data cache on all cores.
- Do not clean caches as there might be junk in them, invalidate only.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14527 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPlatformPkg/PrePeiCore/PrePeiCore.c')
-rw-r--r-- | ArmPlatformPkg/PrePeiCore/PrePeiCore.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/ArmPlatformPkg/PrePeiCore/PrePeiCore.c b/ArmPlatformPkg/PrePeiCore/PrePeiCore.c index e165fd9456..1abefaefd2 100644 --- a/ArmPlatformPkg/PrePeiCore/PrePeiCore.c +++ b/ArmPlatformPkg/PrePeiCore/PrePeiCore.c @@ -1,15 +1,15 @@ /** @file
* Main file supporting the transition to PEI Core in Normal World for Versatile Express
*
-* Copyright (c) 2011-2012, ARM Limited. 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
+* Copyright (c) 2011-2013, ARM Limited. All rights reserved.
*
-* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+* 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.
*
**/
@@ -71,14 +71,13 @@ CEntryPoint ( IN EFI_PEI_CORE_ENTRY_POINT PeiCoreEntryPoint
)
{
- //Clean Data cache
- ArmCleanInvalidateDataCache ();
-
- //Invalidate instruction cache
+ // Data Cache enabled on Primary core when MMU is enabled.
+ ArmDisableDataCache ();
+ // Invalidate Data cache
+ ArmInvalidateDataCache ();
+ // Invalidate instruction cache
ArmInvalidateInstructionCache ();
-
- // Enable Instruction & Data caches
- ArmEnableDataCache ();
+ // Enable Instruction Caches on all cores.
ArmEnableInstructionCache ();
//
|