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QuarkSocPkg MtrrLib: Enhance get mtrr mask logic. 

In order to not use the deprecated macro, refine
get mtrr mask value logic.

Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
This commit is contained in:
Eric Dong 2017-08-02 18:26:43 +08:00
parent 8853c2afc5
commit 055fa1c666
1 changed files with 4 additions and 5 deletions
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9
QuarkSocPkg/QuarkNorthCluster/Library/MtrrLib/MtrrLib.c
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@ -1036,13 +1036,12 @@ MtrrLibInitializeMtrrMask (
AsmCpuid (0x80000008, &RegEax, NULL, NULL, NULL);
PhysicalAddressBits = (UINT8) RegEax;
*MtrrValidBitsMask = LShiftU64 (1, PhysicalAddressBits) - 1;
*MtrrValidAddressMask = *MtrrValidBitsMask & 0xfffffffffffff000ULL;
} else {
*MtrrValidBitsMask = MTRR_LIB_MSR_VALID_MASK;
*MtrrValidAddressMask = MTRR_LIB_CACHE_VALID_ADDRESS;
PhysicalAddressBits = 36;
}
*MtrrValidBitsMask = LShiftU64 (1, PhysicalAddressBits) - 1;
*MtrrValidAddressMask = *MtrrValidBitsMask & 0xfffffffffffff000ULL;
}