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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@nuviainc.com>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
This commit is contained in:
Rebecca Cran 2021-02-07 17:52:41 -07:00 committed by mergify[bot]
parent cd9fb745d7
commit 4f92cfa44d
1 changed files with 4 additions and 0 deletions
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4
ArmPkg/Include/Library/ArmLib.h
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@ -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 (