[edk2-devel] [PATCH v4 09/10] ArmPkg: Add definition of the maximum cache level in ARMv8-A
Sami Mujawar
sami.mujawar at arm.com
Wed Dec 16 11:31:58 UTC 2020
Hi Rebecca,
This patch looks good to me.
Reviewed-by: Sami Mujawar <sami.mujawar at arm.com>
Regards,
Sami Mujawar
-----Original Message-----
From: devel at edk2.groups.io <devel at edk2.groups.io> On Behalf Of Rebecca Cran via groups.io
Sent: 07 December 2020 05:54 PM
To: devel at edk2.groups.io
Cc: Rebecca Cran <rebecca at nuviainc.com>; Michael D Kinney <michael.d.kinney at intel.com>; Liming Gao <gaoliming at byosoft.com.cn>; Zhiguang Liu <zhiguang.liu at intel.com>; Leif Lindholm <leif at nuviainc.com>; Ard Biesheuvel <Ard.Biesheuvel at arm.com>
Subject: [edk2-devel] [PATCH v4 09/10] ArmPkg: Add definition of the maximum cache level in ARMv8-A
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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