From nobody Sat Nov 2 12:19:25 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 198.145.21.10 is neither permitted nor denied by domain of lists.01.org) client-ip=198.145.21.10; envelope-from=edk2-devel-bounces@lists.01.org; helo=ml01.01.org; Authentication-Results: mx.zoho.com; spf=none (zoho.com: 198.145.21.10 is neither permitted nor denied by domain of lists.01.org) smtp.mailfrom=edk2-devel-bounces@lists.01.org; Return-Path: Received: from ml01.01.org (ml01.01.org [198.145.21.10]) by mx.zohomail.com with SMTPS id 1490756650089227.2135999010883; Tue, 28 Mar 2017 20:04:10 -0700 (PDT) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 7703F21940D0A; Tue, 28 Mar 2017 20:03:58 -0700 (PDT) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 75EE02041FBD3 for ; Tue, 28 Mar 2017 20:03:56 -0700 (PDT) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga105.jf.intel.com with ESMTP; 28 Mar 2017 20:03:56 -0700 Received: from ray-dev.ccr.corp.intel.com ([10.239.9.25]) by orsmga001.jf.intel.com with ESMTP; 28 Mar 2017 20:03:55 -0700 X-Original-To: edk2-devel@lists.01.org X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.36,239,1486454400"; d="scan'208";a="1113146611" From: Ruiyu Ni To: edk2-devel@lists.01.org Date: Wed, 29 Mar 2017 11:03:43 +0800 Message-Id: <20170329030346.249872-8-ruiyu.ni@intel.com> X-Mailer: git-send-email 2.9.0.windows.1 In-Reply-To: <20170329030346.249872-1-ruiyu.ni@intel.com> References: <20170329030346.249872-1-ruiyu.ni@intel.com> Subject: [edk2] [PATCH 07/10] UefiCpuPkg/MtrrLib: MtrrLibInitializeMtrrMask() uses definitions in CpuId.h X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jeff Fan MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Errors-To: edk2-devel-bounces@lists.01.org Sender: "edk2-devel" X-ZohoMail: RSF_4 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ruiyu Ni Cc: Jeff Fan --- UefiCpuPkg/Library/MtrrLib/MtrrLib.c | 20 +++++++++----------- 1 file changed, 9 insertions(+), 11 deletions(-) diff --git a/UefiCpuPkg/Library/MtrrLib/MtrrLib.c b/UefiCpuPkg/Library/Mtrr= Lib/MtrrLib.c index d7e6f05..bcc2df5 100644 --- a/UefiCpuPkg/Library/MtrrLib/MtrrLib.c +++ b/UefiCpuPkg/Library/MtrrLib/MtrrLib.c @@ -1054,22 +1054,20 @@ MtrrLibInitializeMtrrMask ( OUT UINT64 *MtrrValidAddressMask ) { - UINT32 RegEax; - UINT8 PhysicalAddressBits; + UINT32 MaxExtendedFunction; + CPUID_VIR_PHY_ADDRESS_SIZE_EAX VirPhyAddressSize; =20 - AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL); =20 - if (RegEax >=3D 0x80000008) { - AsmCpuid (0x80000008, &RegEax, NULL, NULL, NULL); + AsmCpuid (CPUID_EXTENDED_FUNCTION, &MaxExtendedFunction, NULL, NULL, NUL= L); =20 - PhysicalAddressBits =3D (UINT8) RegEax; - - *MtrrValidBitsMask =3D LShiftU64 (1, PhysicalAddressBits) - 1; - *MtrrValidAddressMask =3D *MtrrValidBitsMask & 0xfffffffffffff000ULL; + if (MaxExtendedFunction >=3D CPUID_VIR_PHY_ADDRESS_SIZE) { + AsmCpuid (CPUID_VIR_PHY_ADDRESS_SIZE, &VirPhyAddressSize.Uint32, NULL,= NULL, NULL); } else { - *MtrrValidBitsMask =3D MTRR_LIB_MSR_VALID_MASK; - *MtrrValidAddressMask =3D MTRR_LIB_CACHE_VALID_ADDRESS; + VirPhyAddressSize.Bits.PhysicalAddressBits =3D 36; } + + *MtrrValidBitsMask =3D LShiftU64 (1, VirPhyAddressSize.Bits.PhysicalAddr= essBits) - 1; + *MtrrValidAddressMask =3D *MtrrValidBitsMask & 0xfffffffffffff000ULL; } =20 =20 --=20 2.9.0.windows.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel