ArmPkg/ArmGicLib.h: Added macro to retrieve the information from the ICCIDR

These macros are helper functions to get the information from the GIC CPU
Interface Identification register.

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@14582 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/ArmPkg/Include/Library/ArmGicLib.h b/ArmPkg/Include/Library/ArmGicLib.h
index 6da072807b6f530ccbe4ecd253d9cc1d66860134..429f8ade12e4ac863ea31bd9722570b422f2c816 100644 (file)
--- a/ArmPkg/Include/Library/ArmGicLib.h
+++ b/ArmPkg/Include/Library/ArmGicLib.h
@@ -1,14 +1,14 @@
 /** @file\r
 *\r
-*  Copyright (c) 2011-2012, ARM Limited. All rights reserved.\r
-*  \r
-*  This program and the accompanying materials                          \r
-*  are licensed and made available under the terms and conditions of the BSD License         \r
-*  which accompanies this distribution.  The full text of the license may be found at        \r
-*  http://opensource.org/licenses/bsd-license.php                                            \r
+*  Copyright (c) 2011-2013, ARM Limited. All rights reserved.\r
 *\r
-*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
-*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
+*  This program and the accompanying materials\r
+*  are licensed and made available under the terms and conditions of the BSD License\r
+*  which accompanies this distribution.  The full text of the license may be found at\r
+*  http://opensource.org/licenses/bsd-license.php\r
+*\r
+*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
 *\r
 **/\r
 \r
@@ -70,6 +70,11 @@
 #define ARM_GIC_ICCICR_SIGNAL_SECURE_TO_FIQ     0x08\r
 #define ARM_GIC_ICCICR_USE_SBPR                 0x10\r
 \r
+// Bit Mask for GICC_IIDR\r
+#define ARM_GIC_ICCIDR_GET_PRODUCT_ID(IccIdr)   (((IccIdr) >> 20) & 0xFFF)\r
+#define ARM_GIC_ICCIDR_GET_ARCH_VERSION(IccIdr) (((IccIdr) >> 16) & 0xF)\r
+#define ARM_GIC_ICCIDR_GET_REVISION(IccIdr)     (((IccIdr) >> 12) & 0xF)\r
+#define ARM_GIC_ICCIDR_GET_IMPLEMENTER(IccIdr)  ((IccIdr) & 0xFFF)\r
 \r
 //\r
 // GIC Secure interfaces\r