[edk2-devel] [PATCH v4 11/11] ArmPkg: Add definition of the maximum cache level in ARMv8-A
Rebecca Cran
rebecca at nuviainc.com
Tue Dec 1 00:33:58 UTC 2020
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>
---
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 87c3a6f1ecac..4e26991727cb 100644
--- a/ArmPkg/Include/Library/ArmLib.h
+++ b/ArmPkg/Include/Library/ArmLib.h
@@ -108,6 +108,10 @@ 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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