[edk2-devel] [PATCH v6 09/22] ArmPkg: Add definition of the maximum cache level in ARMv8-A

[Rebecca Cran]

The ARM Architecture Reference Manual for ARMv8-A defines up to
seven levels of cache, L1 through L7.
Define MAX_ARM_CACHE_LEVEL to be 7.

Signed-off-by: Rebecca Cran <rebecca at nuviainc.com>
Reviewed-by: Leif Lindholm <leif at nuviainc.com>
Reviewed-by: Sami Mujawar <sami.mujawar at arm.com>
---
 ArmPkg/Include/Library/ArmLib.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ArmPkg/Include/Library/ArmLib.h b/ArmPkg/Include/Library/ArmLib.h
index 26cb05def0a2..fd4f06d24274 100644
--- a/ArmPkg/Include/Library/ArmLib.h
+++ b/ArmPkg/Include/Library/ArmLib.h
@@ -109,6 +109,10 @@ typedef enum {
 #define GET_MPID(ClusterId, CoreId)   (((ClusterId) << 8) | (CoreId))
 #define PRIMARY_CORE_ID       (PcdGet32(PcdArmPrimaryCore) & ARM_CORE_MASK)
 
+// The ARM Architecture Reference Manual for ARMv8-A defines up
+// to 7 levels of cache, L1 through L7.
+#define MAX_ARM_CACHE_LEVEL   7
+
 UINTN
 EFIAPI
 ArmDataCacheLineLength (
-- 
2.26.2



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