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UefiCpuPkg: Calculate DisplayFamily correctly 

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4348

Per SDM:
DisplayFamily = Extended_Family_ID + Family_ID.
DisplayModelID = (Extended_Model_ID << 4) + Family_ID.
Correct the related code.

Cc: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
Cc: Mike Maslenkin <mike.maslenkin@gmail.com>
Signed-off-by: Zhiguang Liu <zhiguang.liu@intel.com>
This commit is contained in:
Liu, Zhiguang 2023-03-07 14:31:36 +08:00 committed by mergify[bot]
parent f335d91a3b
commit aa1cd447b3
2 changed files with 6 additions and 6 deletions
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6
UefiCpuPkg/Application/Cpuid/Cpuid.c
View File

@ -1,7 +1,7 @@
/** @file
UEFI Application to display CPUID leaf information.
Copyright (c) 2016 - 2019, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2016 - 2023, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@ -217,12 +217,12 @@ CpuidVersionInfo (
DisplayFamily = Eax.Bits.FamilyId;
if (Eax.Bits.FamilyId == 0x0F) {
DisplayFamily |= (Eax.Bits.ExtendedFamilyId << 4);
DisplayFamily += Eax.Bits.ExtendedFamilyId;
}
DisplayModel = Eax.Bits.Model;
if ((Eax.Bits.FamilyId == 0x06) || (Eax.Bits.FamilyId == 0x0f)) {
DisplayModel |= (Eax.Bits.ExtendedModelId << 4);
DisplayModel += (Eax.Bits.ExtendedModelId << 4);
}
Print (L" Family = %x Model = %x Stepping = %x\n", DisplayFamily, DisplayModel, Eax.Bits.SteppingId);

6
UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c
View File

@ -1,7 +1,7 @@
/** @file
CPU Features Initialize functions.
Copyright (c) 2017 - 2021, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2017 - 2023, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@ -67,12 +67,12 @@ FillProcessorInfo (
DisplayedFamily = Eax.Bits.FamilyId;
if (Eax.Bits.FamilyId == 0x0F) {
DisplayedFamily |= (Eax.Bits.ExtendedFamilyId << 4);
DisplayedFamily += Eax.Bits.ExtendedFamilyId;
}
DisplayedModel = Eax.Bits.Model;
if ((Eax.Bits.FamilyId == 0x06) || (Eax.Bits.FamilyId == 0x0f)) {
DisplayedModel |= (Eax.Bits.ExtendedModelId << 4);
DisplayedModel += (Eax.Bits.ExtendedModelId << 4);
}
CpuInfo->DisplayFamily = DisplayedFamily;