[edk2-devel] [edk2][PATCH V2 1/2] ArmPkg/ArmGicArchLib: Add macros for SPI and extended SPI ranges

["Himanshu Sharma" <Himanshu.Sharma@arm.com>]

Taking reference from Table 2-1 of the Arm Generic Interrupt Controller
Architecture Specification, Issue H, January 2022, add macros for the
SPI and extended SPI ranges with the purpose of reusability on including
the ArmPkg.

Signed-off-by: Himanshu Sharma <Himanshu.Sharma@arm.com>
---
 ArmPkg/Include/Library/ArmGicArchLib.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/ArmPkg/Include/Library/ArmGicArchLib.h b/ArmPkg/Include/Library/ArmGicArchLib.h
index 72ac17e13b5a..ed6fe6fecb09 100644
--- a/ArmPkg/Include/Library/ArmGicArchLib.h
+++ b/ArmPkg/Include/Library/ArmGicArchLib.h
@@ -1,9 +1,15 @@
 /** @file
 *
 *  Copyright (c) 2015, Linaro Ltd. All rights reserved.
+*  Copyright (c) 2024, Arm Limited. All rights reserved.
 *
 *  SPDX-License-Identifier: BSD-2-Clause-Patent
 *
+*  @par Reference(s):
+*  - Arm Generic Interrupt Controller Architecture Specification,
+*    Issue H, January 2022.
+*    (https://developer.arm.com/documentation/ihi0069/)
+*
 **/
 
 #ifndef ARM_GIC_ARCH_LIB_H_
@@ -23,4 +29,12 @@ ArmGicGetSupportedArchRevision (
   VOID
   );
 
+//
+// GIC SPI and extended SPI ranges
+//
+#define ARM_GIC_ARCH_SPI_MIN      32
+#define ARM_GIC_ARCH_SPI_MAX      1019
+#define ARM_GIC_ARCH_EXT_SPI_MIN  4096
+#define ARM_GIC_ARCH_EXT_SPI_MAX  5119
+
 #endif // ARM_GIC_ARCH_LIB_H_
-- 
2.25.1



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