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authorOlivier Martin <olivier.martin@arm.com>2014-03-26 19:32:48 +0000
committeroliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524>2014-03-26 19:32:48 +0000
commit47d183db53d91a669b4b080036434e30cea01e29 (patch)
tree955d0bed77ac4612bfd829f9837ae1ac20c6b5a0 /ArmPkg/Include
parent52d44f77c25a133d56871e7f42f9b4700ded6835 (diff)
downloadedk2-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')
-rw-r--r--ArmPkg/Include/Chipset/ArmCortexA5x.h29
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