diff options
| author | Olivier Martin <olivier.martin@arm.com> | 2014-03-26 19:32:48 +0000 |
|---|---|---|
| committer | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2014-03-26 19:32:48 +0000 |
| commit | 47d183db53d91a669b4b080036434e30cea01e29 (patch) | |
| tree | 955d0bed77ac4612bfd829f9837ae1ac20c6b5a0 /ArmPkg/Include/Chipset | |
| parent | 52d44f77c25a133d56871e7f42f9b4700ded6835 (diff) | |
| download | edk2-platforms-47d183db53d91a669b4b080036434e30cea01e29.tar.xz | |
ArmPkg/ArmCortexA5x: Declared the helper functions to access the CPU Extended Control Register
This register is A5x specific. It is the reason why the code moved from ArmLib
to ArmCpuLib/ArmCortexA5xLib.
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@15397 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPkg/Include/Chipset')
| -rw-r--r-- | ArmPkg/Include/Chipset/ArmCortexA5x.h | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/ArmPkg/Include/Chipset/ArmCortexA5x.h b/ArmPkg/Include/Chipset/ArmCortexA5x.h index e2217e3f3a..ba3d5197e9 100644 --- a/ArmPkg/Include/Chipset/ArmCortexA5x.h +++ b/ArmPkg/Include/Chipset/ArmCortexA5x.h @@ -1,6 +1,6 @@ /** @file
- Copyright (c) 2012-2013, ARM Limited. All rights reserved.
+ Copyright (c) 2012-2014, 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
@@ -20,4 +20,31 @@ //
#define A5X_FEATURE_SMP (1 << 6)
+//
+// Helper functions to access CPU Extended Control Register
+//
+UINT64
+EFIAPI
+ArmReadCpuExCr (
+ VOID
+ );
+
+VOID
+EFIAPI
+ArmWriteCpuExCr (
+ IN UINT64 Val
+ );
+
+VOID
+EFIAPI
+ArmSetCpuExCrBit (
+ IN UINT64 Bits
+ );
+
+VOID
+EFIAPI
+ArmUnsetCpuExCrBit (
+ IN UINT64 Bits
+ );
+
#endif
|