From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from NAM03-BY2-obe.outbound.protection.outlook.com (mail-by2nam03on0610.outbound.protection.outlook.com [IPv6:2a01:111:f400:fe4a::610]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id A15AC81DD1 for ; Fri, 28 Oct 2016 08:30:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amdcloud.onmicrosoft.com; s=selector1-amd-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=HsUctDDj1Fmf4JEXyduE+otgMZOCyTN2OiVYQftnAik=; b=Baztq9y4b/iSMzRC92OHZcD1b4x9Xv2BdXIRh1CFOf8E9zpgHq+RLA7Xf2b0NURswAA4nLairXyB61grTZtv7n+sAwU/hZkbhmdTtR97BLUSSWsEVx/chpAjLE10LixgSizDQWriB92/TqxMprPG8axVTve5EPIFBWNicda68vM= Received: from DM5PR12MB1243.namprd12.prod.outlook.com (10.168.237.22) by DM5PR12MB1244.namprd12.prod.outlook.com (10.168.237.135) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.679.12; Fri, 28 Oct 2016 15:30:33 +0000 Received: from DM5PR12MB1243.namprd12.prod.outlook.com ([10.168.237.22]) by DM5PR12MB1243.namprd12.prod.outlook.com ([10.168.237.22]) with mapi id 15.01.0679.018; Fri, 28 Oct 2016 15:30:33 +0000 From: "Duran, Leo" To: "'Kinney, Michael D'" , Laszlo Ersek , "Fan, Jeff" CC: "edk2-devel@lists.01.org" , "Gao, Liming" Thread-Topic: [edk2] [PATCH] UefiCpuPkg: Move GetProcessorLocation() to SmmCpuFeaturesLib library. Thread-Index: AQHSMKG5YOazKiBaQ0WjkKuXfWfvCaC8aK2AgACdj/CAAANXQIAAKCZggAAYnACAAGCKAIAAU+oAgAAAGmA= Date: Fri, 28 Oct 2016 15:30:33 +0000 Message-ID: References: <1477607390-8225-1-git-send-email-leo.duran@amd.com> <1477607390-8225-2-git-send-email-leo.duran@amd.com> <542CF652F8836A4AB8DBFAAD40ED192A4A2B909A@shsmsx102.ccr.corp.intel.com> <542CF652F8836A4AB8DBFAAD40ED192A4A2B9645@shsmsx102.ccr.corp.intel.com> <0c52a13d-5487-4305-23e7-fc9ec8826a8a@redhat.com> In-Reply-To: Accept-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=leo.duran@amd.com; x-originating-ip: [165.204.77.1] x-ms-office365-filtering-correlation-id: fd1938dd-6af2-4fb5-fb6f-08d3ff475bce x-microsoft-exchange-diagnostics: 1; DM5PR12MB1244; 7:iZXOq8tiuz1O/5dyUfkC6fa7ZnPDFOs4vElRX31YIiRbjPeUVctsTp8sagAouDoaaWq8HprvpoHY1c6y39FqaJ7KrJqsAbmZq+fH/at/GSvBbZ2lfIomt6+tbUgSAyOUwbU1dIZWb0GFpckmhVv12TKpHOqJYCZSgwYW8U+lTLk32v3ZJAoWqhkuJy/Kuv0F89MD5K2y55JpVbX9IBOaWiHu4jPN3jUfFjqh25bxSy2+Ep1/RrUlRB1Gyq6b2ELMsC+KLJa09f8g+22y0H/n1Ligi1Pjk0Rh64oVy1bc2XPeu/B8Lj99hBc/oqRY9xroKYpwHX7fxFM1ysBas4b7R//mKyFaZCCEtATPjJ4rxxI=; 20:4DK36lydlVjjUXo0ndjMxxs+XtLAbw6hCQphY6/MeHzXZ9je6lY3askn47rlgjdqkfI3DiAgEHzkMfMRREvbsYZxpN+zUeI26OSnUkadY3N4iU24t67kfVlEqite9+42AZ1bwaTyK0WkLU/JnvrC644EvbPdNuNcWLqOMGaQPusy6e5yMttZYNHNjPABXEjkppW2EqoWaOja3oI+Xjgy4hoRDCWfeudxbcn9nwxRAefiZ8o/R9lsRuahV9vBrAWC x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:DM5PR12MB1244; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(767451399110)(162533806227266)(228905959029699); x-exchange-antispam-report-cfa-test: BCL:0; PCL:0; RULEID:(6040176)(601004)(2401047)(5005006)(8121501046)(10201501046)(3002001)(6055026); SRVR:DM5PR12MB1244; BCL:0; PCL:0; RULEID:; SRVR:DM5PR12MB1244; x-forefront-prvs: 0109D382B0 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(6009001)(7916002)(189002)(24454002)(13464003)(199003)(377454003)(33656002)(81156014)(106356001)(101416001)(54356999)(76176999)(77096005)(19580405001)(8676002)(15975445007)(19580395003)(2900100001)(106116001)(93886004)(3900700001)(99286002)(561944003)(105586002)(3846002)(8936002)(2906002)(189998001)(102836003)(9686002)(3660700001)(6116002)(3280700002)(50986999)(586003)(81166006)(5001770100001)(122556002)(11100500001)(97736004)(4326007)(87936001)(2950100002)(5002640100001)(7736002)(68736007)(74316002)(76576001)(7696004)(66066001)(5660300001)(10400500002)(7846002)(92566002)(305945005)(86362001)(579004)(19627235001); DIR:OUT; SFP:1101; SCL:1; SRVR:DM5PR12MB1244; H:DM5PR12MB1243.namprd12.prod.outlook.com; FPR:; SPF:None; PTR:InfoNoRecords; MX:1; A:1; LANG:en; received-spf: None (protection.outlook.com: amd.com does not designate permitted sender hosts) spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Oct 2016 15:30:33.5592 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR12MB1244 Subject: Re: [PATCH] UefiCpuPkg: Move GetProcessorLocation() to SmmCpuFeaturesLib library. X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 28 Oct 2016 15:30:34 -0000 Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable OK, the LocalApicLib patch is coming... please stay tuned. Leo. > -----Original Message----- > From: Kinney, Michael D [mailto:michael.d.kinney@intel.com] > Sent: Friday, October 28, 2016 10:29 AM > To: Laszlo Ersek ; Fan, Jeff ; > Duran, Leo ; Kinney, Michael D > > Cc: edk2-devel@lists.01.org ; Gao, Liming > > Subject: RE: [edk2] [PATCH] UefiCpuPkg: Move GetProcessorLocation() to > SmmCpuFeaturesLib library. >=20 > Hi Laszlo, >=20 > Quark DSC files do map the LocalApicLib, so I think the proposal to add > GetProcessorLocation() to the LocalApicLib class and instances makes sens= e. >=20 > Thanks, >=20 > Mike >=20 > > -----Original Message----- > > From: Laszlo Ersek [mailto:lersek@redhat.com] > > Sent: Friday, October 28, 2016 3:29 AM > > To: Fan, Jeff ; Duran, Leo ; > > Kinney, Michael D > > Cc: edk2-devel@lists.01.org ; Gao, Liming > > > > Subject: Re: [edk2] [PATCH] UefiCpuPkg: Move GetProcessorLocation() to > > SmmCpuFeaturesLib library. > > > > On 10/28/16 06:43, Fan, Jeff wrote: > > > Leo, > > > > > > Got it. Could you please create the patch to add > > > GetProcessorLocation() in Local APIC > > Lib? > > > > > > There are two library instances required to be updated > > > UefiCpuPkg\Library\BaseXApicLib > > > UefiCpuPkg\Library\BaseXApicX2ApicLib > > > > > > Then you could remove the ExtractProcessorLocation() from > PiSmmCpuDxeSmm. > > > > First of all, thank you Mike for not forgetting about OvmfPkg :) > > > > Second, to Leo: if the GetProcessorLocation() API (and its current > > implementation) are moved to the LocalApicLib class (and the two > > LocalApicLib instances named by Jeff), then at least OvmfPkg will need > > no handling. OvmfPkg uses the BaseXApicX2ApicLib instance. > > > > However, I think QuarkSocPkg might still require an update, because it > > doesn't seem to resolve or depend on LocalApicLib at all, at the moment= . > > > > Thanks > > Laszlo > > > > > > > > Thanks! > > > Jeff > > > > > > -----Original Message----- > > > From: Duran, Leo [mailto:leo.duran@amd.com] > > > Sent: Friday, October 28, 2016 11:20 AM > > > To: Fan, Jeff; Kinney, Michael D; edk2-devel@lists.01.org > > > Cc: Gao, Liming > > > Subject: RE: [edk2] [PATCH] UefiCpuPkg: Move GetProcessorLocation() > > > to > > SmmCpuFeaturesLib library. > > > > > > Please see my reply below. > > > Thanks, > > > Leo > > > > > >> -----Original Message----- > > >> From: Fan, Jeff [mailto:jeff.fan@intel.com] > > >> Sent: Thursday, October 27, 2016 8:00 PM > > >> To: Kinney, Michael D ; Duran, Leo > > >> ; edk2-devel@lists.01.org > > >> Cc: Gao, Liming > > >> Subject: RE: [edk2] [PATCH] UefiCpuPkg: Move GetProcessorLocation() > > >> to SmmCpuFeaturesLib library. > > >> > > >> Because the CPU location information are gotten from Initial APIC > > >> ID, it makes more sense to be added into Local APIC Lib. > > >> > > >> The following is my proposal on its definition. > > >> /** > > >> Get CPU Package/Core/Thread location information. > > >> > > >> @param[in] InitialApicId CPU APIC ID > > >> @param[out] Package Pointer to Package ID > > >> @param[out] Core Pointer to Core ID > > >> @param[out] Thread Pointer to Thread ID > > >> **/ > > >> VOID > > >> ExtractProcessorLocation ( > > >> IN UINT32 InitialApicId, > > >> OUT UINT32 *Package, > > >> OUT UINT32 *Core, > > >> OUT UINT32 *Thread > > >> ); > > >> > > >> Leo, is it OK to meet your requirement? > > >> > > >> Thanks! > > >> Jeff > > > [Duran, Leo] > > > Sure thing. > > > The main point is to get the vendor-specific CPUID code out of the > > > driver, and into a > > library. > > >> > > >> -----Original Message----- > > >> From: Fan, Jeff > > >> Sent: Friday, October 28, 2016 8:45 AM > > >> To: Kinney, Michael D; Leo Duran; edk2-devel@lists.01.org > > >> Cc: Gao, Liming > > >> Subject: RE: [edk2] [PATCH] UefiCpuPkg: Move GetProcessorLocation() > > >> to SmmCpuFeaturesLib library. > > >> > > >> Leo and Mike, > > >> > > >> GetProcessorLocation() are not only used by PiSmmCpuDxeSmm driver, > > >> it is also duplicated in UefiCpuPkg\Library\MpInitLib\MpLib.c. > > >> > > >> I suggest that we could add this API into > > >> UefiCpuPkg/Include/UefiCpuLib or UefiCpuPkg/Include/ LocalApicLib.h. > > >> Thus, it could be consumed by modules across PEI/DXE/SMM modules. > > >> > > >> Thanks! > > >> Jeff > > >> > > >> -----Original Message----- > > >> From: Kinney, Michael D > > >> Sent: Friday, October 28, 2016 7:16 AM > > >> To: Leo Duran; edk2-devel@lists.01.org; Kinney, Michael D > > >> Cc: Gao, Liming; Fan, Jeff > > >> Subject: RE: [edk2] [PATCH] UefiCpuPkg: Move GetProcessorLocation() > > >> to SmmCpuFeaturesLib library. > > >> > > >> Leo, > > >> > > >> This looks like a good proposed change to the SmmFeaturesLib and > > >> PiSmmCpuDxeSmm module. > > >> > > >> Adding UefiCpuPkg maintainer Jeff Fan to the Cc list. > > >> > > >> There are 3 implementations of the SmmFeaturesLib in edk2/master. > > >> This patch needs to update all 3, or some of the platforms in > > >> edk2/master will no longer build: > > >> > > >> * OvmfPkg\Library\SmmCpuFeaturesLib > > >> * QuarkSocPkg\QuarkNorthCluster\Library\SmmCpuFeaturesLib > > >> * UefiCpuPkg\Library\SmmCpuFeaturesLib > > >> > > >> Thanks, > > >> > > >> Mike > > >> > > >>> -----Original Message----- > > >>> From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On > > >>> Behalf Of Leo Duran > > >>> Sent: Thursday, October 27, 2016 3:30 PM > > >>> To: edk2-devel@lists.01.org > > >>> Cc: Leo Duran ; Gao, Liming > > >> > > >>> Subject: [edk2] [PATCH] UefiCpuPkg: Move GetProcessorLocation() to > > >>> SmmCpuFeaturesLib library. > > >>> > > >>> 1) Remove SmmGetProcessorLocation() from PiSmmCpuDxeSmm > driver > > >>> 2) Add SmmCpuFeaturesGetProcessorLocation() to > SmmCpuFeaturesLib > > >>> library > > >>> > > >>> Contributed-under: TianoCore Contribution Agreement 1.0 > > >>> Signed-off-by: Leo Duran > > >>> --- > > >>> UefiCpuPkg/Include/Library/SmmCpuFeaturesLib.h | 17 +++ > > >>> .../Library/SmmCpuFeaturesLib/SmmCpuFeaturesLib.c | 118 > > >> ++++++++++++++++++++ > > >>> UefiCpuPkg/PiSmmCpuDxeSmm/CpuService.c | 121 +--------= ----- > ----- > > >> -- > > >>> 3 files changed, 136 insertions(+), 120 deletions(-) > > >>> > > >>> diff --git a/UefiCpuPkg/Include/Library/SmmCpuFeaturesLib.h > > >>> b/UefiCpuPkg/Include/Library/SmmCpuFeaturesLib.h > > >>> index 4478003..dd14ec5 100644 > > >>> --- a/UefiCpuPkg/Include/Library/SmmCpuFeaturesLib.h > > >>> +++ b/UefiCpuPkg/Include/Library/SmmCpuFeaturesLib.h > > >>> @@ -398,4 +398,21 @@ SmmCpuFeaturesAllocatePageTableMemory ( > > >>> IN UINTN Pages > > >>> ); > > >>> > > >>> +/** > > >>> + Get Package ID/Core ID/Thread ID of a processor. > > >>> + > > >>> + APIC ID must be an initial APIC ID. > > >>> + > > >>> + The algorithm assumes the target system has symmetry across > > >>> + physical package > > >>> boundaries > > >>> + with respect to the number of logical processors per package, > > >>> + number of cores per > > >>> package. > > >>> + > > >>> + @param ApicId APIC ID of the target logical processor. > > >>> + @param Location Returns the processor location information. > > >>> +**/ > > >>> +VOID > > >>> +SmmCpuFeaturesGetProcessorLocation ( > > >>> + IN UINT32 ApicId, > > >>> + OUT EFI_CPU_PHYSICAL_LOCATION *Location > > >>> + ); > > >>> + > > >>> #endif > > >>> diff --git > > >>> a/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLib.c > > >>> b/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLib.c > > >>> index 1754f2d..1e300f3 100644 > > >>> --- a/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLib.c > > >>> +++ > b/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLib.c > > >>> @@ -673,3 +673,121 @@ SmmCpuFeaturesAllocatePageTableMemory > ( > > >>> return NULL; > > >>> } > > >>> > > >>> +/** > > >>> + Get Package ID/Core ID/Thread ID of a processor. > > >>> + > > >>> + APIC ID must be an initial APIC ID. > > >>> + > > >>> + The algorithm below assumes the target system has symmetry > > >>> + across physical package > > >>> boundaries > > >>> + with respect to the number of logical processors per package, > > >>> + number of cores per > > >>> package. > > >>> + > > >>> + @param ApicId APIC ID of the target logical processor. > > >>> + @param Location Returns the processor location information. > > >>> +**/ > > >>> +VOID > > >>> +SmmCpuFeaturesGetProcessorLocation ( > > >>> + IN UINT32 ApicId, > > >>> + OUT EFI_CPU_PHYSICAL_LOCATION *Location > > >>> + ) > > >>> +{ > > >>> + UINTN ThreadBits; > > >>> + UINTN CoreBits; > > >>> + UINT32 RegEax; > > >>> + UINT32 RegEbx; > > >>> + UINT32 RegEcx; > > >>> + UINT32 RegEdx; > > >>> + UINT32 MaxCpuIdIndex; > > >>> + UINT32 SubIndex; > > >>> + UINTN LevelType; > > >>> + UINT32 MaxLogicProcessorsPerPackage; > > >>> + UINT32 MaxCoresPerPackage; > > >>> + BOOLEAN TopologyLeafSupported; > > >>> + > > >>> + ASSERT (Location !=3D NULL); > > >>> + > > >>> + ThreadBits =3D 0; > > >>> + CoreBits =3D 0; > > >>> + TopologyLeafSupported =3D FALSE; > > >>> + > > >>> + // > > >>> + // Check if the processor is capable of supporting more than > > >>> + one logical > > >> processor. > > >>> + // > > >>> + AsmCpuid (CPUID_VERSION_INFO, NULL, NULL, NULL, &RegEdx); > > >> ASSERT > > >>> + ((RegEdx & BIT28) !=3D 0); > > >>> + > > >>> + // > > >>> + // Assume three-level mapping of APIC ID: Package:Core:SMT. > > >>> + // > > >>> + > > >>> + // > > >>> + // Get the max index of basic CPUID // AsmCpuid > > >>> + (CPUID_SIGNATURE, &MaxCpuIdIndex, NULL, NULL, NULL); > > >>> + > > >>> + // > > >>> + // If the extended topology enumeration leaf is available, it > > >>> + // is the preferred mechanism for enumerating topology. > > >>> + // > > >>> + if (MaxCpuIdIndex >=3D CPUID_EXTENDED_TOPOLOGY) { > > >>> + AsmCpuidEx (CPUID_EXTENDED_TOPOLOGY, 0, &RegEax, &RegEbx, > > >> &RegEcx, NULL); > > >>> + // > > >>> + // If CPUID.(EAX=3D0BH, ECX=3D0H):EBX returns zero and maximum > > >>> + input > > >> value for > > >>> + // basic CPUID information is greater than 0BH, then > > >>> + CPUID.0BH leaf is > > >> not > > >>> + // supported on that processor. > > >>> + // > > >>> + if ((RegEbx & 0xffff) !=3D 0) { > > >>> + TopologyLeafSupported =3D TRUE; > > >>> + > > >>> + // > > >>> + // Sub-leaf index 0 (ECX=3D 0 as input) provides enumeration > > >>> + parameters > > >> to extract > > >>> + // the SMT sub-field of x2APIC ID. > > >>> + // > > >>> + LevelType =3D (RegEcx >> 8) & 0xff; > > >>> + ASSERT (LevelType =3D=3D > > >> CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_SMT); > > >>> + if ((RegEbx & 0xffff) > 1 ) { > > >>> + ThreadBits =3D RegEax & 0x1f; > > >>> + } else { > > >>> + // > > >>> + // HT is not supported > > >>> + // > > >>> + ThreadBits =3D 0; > > >>> + } > > >>> + > > >>> + // > > >>> + // Software must not assume any "level type" encoding > > >>> + // value to be related to any sub-leaf index, except sub-lea= f 0. > > >>> + // > > >>> + SubIndex =3D 1; > > >>> + do { > > >>> + AsmCpuidEx (CPUID_EXTENDED_TOPOLOGY, SubIndex, > &RegEax, > > >> NULL, &RegEcx, NULL); > > >>> + LevelType =3D (RegEcx >> 8) & 0xff; > > >>> + if (LevelType =3D=3D > CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_CORE) { > > >>> + CoreBits =3D (RegEax & 0x1f) - ThreadBits; > > >>> + break; > > >>> + } > > >>> + SubIndex++; > > >>> + } while (LevelType !=3D > > >> CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_INVALID); > > >>> + } > > >>> + } > > >>> + > > >>> + if (!TopologyLeafSupported) { > > >>> + AsmCpuid (CPUID_VERSION_INFO, NULL, &RegEbx, NULL, NULL); > > >>> + MaxLogicProcessorsPerPackage =3D (RegEbx >> 16) & 0xff; > > >>> + if (MaxCpuIdIndex >=3D CPUID_CACHE_PARAMS) { > > >>> + AsmCpuidEx (CPUID_CACHE_PARAMS, 0, &RegEax, NULL, NULL, > > >> NULL); > > >>> + MaxCoresPerPackage =3D (RegEax >> 26) + 1; > > >>> + } else { > > >>> + // > > >>> + // Must be a single-core processor. > > >>> + // > > >>> + MaxCoresPerPackage =3D 1; > > >>> + } > > >>> + > > >>> + ThreadBits =3D (UINTN) (HighBitSet32 > > >>> + (MaxLogicProcessorsPerPackage / > > >>> MaxCoresPerPackage - 1) + 1); > > >>> + CoreBits =3D (UINTN) (HighBitSet32 (MaxCoresPerPackage - 1) + > > >>> + 1); } > > >>> + > > >>> + Location->Thread =3D ApicId & ~((-1) << ThreadBits); > > >>> + Location->Core =3D (ApicId >> ThreadBits) & ~((-1) << CoreBits); > > >>> + Location->Package =3D (ApicId >> (ThreadBits+ CoreBits)); } > > >>> diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/CpuService.c > > >>> b/UefiCpuPkg/PiSmmCpuDxeSmm/CpuService.c > > >>> index 40f2a17..2bfb1e8 100644 > > >>> --- a/UefiCpuPkg/PiSmmCpuDxeSmm/CpuService.c > > >>> +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/CpuService.c > > >>> @@ -27,125 +27,6 @@ EFI_SMM_CPU_SERVICE_PROTOCOL > > >> mSmmCpuService =3D { > > >>> }; > > >>> > > >>> /** > > >>> - Get Package ID/Core ID/Thread ID of a processor. > > >>> - > > >>> - APIC ID must be an initial APIC ID. > > >>> - > > >>> - The algorithm below assumes the target system has symmetry > > >>> across physical package boundaries > > >>> - with respect to the number of logical processors per package, > > >>> number of cores per package. > > >>> - > > >>> - @param ApicId APIC ID of the target logical processor. > > >>> - @param Location Returns the processor location information. > > >>> -**/ > > >>> -VOID > > >>> -SmmGetProcessorLocation ( > > >>> - IN UINT32 ApicId, > > >>> - OUT EFI_CPU_PHYSICAL_LOCATION *Location > > >>> - ) > > >>> -{ > > >>> - UINTN ThreadBits; > > >>> - UINTN CoreBits; > > >>> - UINT32 RegEax; > > >>> - UINT32 RegEbx; > > >>> - UINT32 RegEcx; > > >>> - UINT32 RegEdx; > > >>> - UINT32 MaxCpuIdIndex; > > >>> - UINT32 SubIndex; > > >>> - UINTN LevelType; > > >>> - UINT32 MaxLogicProcessorsPerPackage; > > >>> - UINT32 MaxCoresPerPackage; > > >>> - BOOLEAN TopologyLeafSupported; > > >>> - > > >>> - ASSERT (Location !=3D NULL); > > >>> - > > >>> - ThreadBits =3D 0; > > >>> - CoreBits =3D 0; > > >>> - TopologyLeafSupported =3D FALSE; > > >>> - > > >>> - // > > >>> - // Check if the processor is capable of supporting more than > > >>> one logical > > >> processor. > > >>> - // > > >>> - AsmCpuid (CPUID_VERSION_INFO, NULL, NULL, NULL, &RegEdx); > > >>> - ASSERT ((RegEdx & BIT28) !=3D 0); > > >>> - > > >>> - // > > >>> - // Assume three-level mapping of APIC ID: Package:Core:SMT. > > >>> - // > > >>> - > > >>> - // > > >>> - // Get the max index of basic CPUID > > >>> - // > > >>> - AsmCpuid (CPUID_SIGNATURE, &MaxCpuIdIndex, NULL, NULL, > NULL); > > >>> - > > >>> - // > > >>> - // If the extended topology enumeration leaf is available, it > > >>> - // is the preferred mechanism for enumerating topology. > > >>> - // > > >>> - if (MaxCpuIdIndex >=3D CPUID_EXTENDED_TOPOLOGY) { > > >>> - AsmCpuidEx (CPUID_EXTENDED_TOPOLOGY, 0, &RegEax, &RegEbx, > > >> &RegEcx, NULL); > > >>> - // > > >>> - // If CPUID.(EAX=3D0BH, ECX=3D0H):EBX returns zero and maximum > input > > >> value for > > >>> - // basic CPUID information is greater than 0BH, then CPUID.0BH= leaf > is > > >> not > > >>> - // supported on that processor. > > >>> - // > > >>> - if ((RegEbx & 0xffff) !=3D 0) { > > >>> - TopologyLeafSupported =3D TRUE; > > >>> - > > >>> - // > > >>> - // Sub-leaf index 0 (ECX=3D 0 as input) provides enumeration > parameters > > >> to extract > > >>> - // the SMT sub-field of x2APIC ID. > > >>> - // > > >>> - LevelType =3D (RegEcx >> 8) & 0xff; > > >>> - ASSERT (LevelType =3D=3D > > >> CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_SMT); > > >>> - if ((RegEbx & 0xffff) > 1 ) { > > >>> - ThreadBits =3D RegEax & 0x1f; > > >>> - } else { > > >>> - // > > >>> - // HT is not supported > > >>> - // > > >>> - ThreadBits =3D 0; > > >>> - } > > >>> - > > >>> - // > > >>> - // Software must not assume any "level type" encoding > > >>> - // value to be related to any sub-leaf index, except sub-lea= f 0. > > >>> - // > > >>> - SubIndex =3D 1; > > >>> - do { > > >>> - AsmCpuidEx (CPUID_EXTENDED_TOPOLOGY, SubIndex, &RegEax, > > >> NULL, &RegEcx, NULL); > > >>> - LevelType =3D (RegEcx >> 8) & 0xff; > > >>> - if (LevelType =3D=3D > CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_CORE) { > > >>> - CoreBits =3D (RegEax & 0x1f) - ThreadBits; > > >>> - break; > > >>> - } > > >>> - SubIndex++; > > >>> - } while (LevelType !=3D > > >> CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_INVALID); > > >>> - } > > >>> - } > > >>> - > > >>> - if (!TopologyLeafSupported) { > > >>> - AsmCpuid (CPUID_VERSION_INFO, NULL, &RegEbx, NULL, NULL); > > >>> - MaxLogicProcessorsPerPackage =3D (RegEbx >> 16) & 0xff; > > >>> - if (MaxCpuIdIndex >=3D CPUID_CACHE_PARAMS) { > > >>> - AsmCpuidEx (CPUID_CACHE_PARAMS, 0, &RegEax, NULL, NULL, > NULL); > > >>> - MaxCoresPerPackage =3D (RegEax >> 26) + 1; > > >>> - } else { > > >>> - // > > >>> - // Must be a single-core processor. > > >>> - // > > >>> - MaxCoresPerPackage =3D 1; > > >>> - } > > >>> - > > >>> - ThreadBits =3D (UINTN) (HighBitSet32 > (MaxLogicProcessorsPerPackage / > > >>> MaxCoresPerPackage - 1) + 1); > > >>> - CoreBits =3D (UINTN) (HighBitSet32 (MaxCoresPerPackage - 1) + = 1); > > >>> - } > > >>> - > > >>> - Location->Thread =3D ApicId & ~((-1) << ThreadBits); > > >>> - Location->Core =3D (ApicId >> ThreadBits) & ~((-1) << CoreBits); > > >>> - Location->Package =3D (ApicId >> (ThreadBits+ CoreBits)); -} > > >>> - > > >>> -/** > > >>> Gets processor information on the requested processor at the > > >>> instant this call is made. > > >>> > > >>> @param[in] This A pointer to the > > >> EFI_SMM_CPU_SERVICE_PROTOCOL > > >>> instance. > > >>> @@ -280,7 +161,7 @@ SmmAddProcessor ( > > >>> gSmmCpuPrivate->ProcessorInfo[Index].ProcessorId =3D=3D > > >> INVALID_APIC_ID) { > > >>> gSmmCpuPrivate->ProcessorInfo[Index].ProcessorId =3D > ProcessorId; > > >>> gSmmCpuPrivate->ProcessorInfo[Index].StatusFlag =3D 0; > > >>> - SmmGetProcessorLocation ((UINT32)ProcessorId, > &gSmmCpuPrivate- > > >>>> ProcessorInfo[Index].Location); > > >>> + SmmCpuFeaturesGetProcessorLocation ((UINT32)ProcessorId, > > >>> + &gSmmCpuPrivate- > > >>>> ProcessorInfo[Index].Location); > > >>> > > >>> *ProcessorNumber =3D Index; > > >>> gSmmCpuPrivate->Operation[Index] =3D SmmCpuAdd; > > >>> -- > > >>> 1.9.1 > > >>> > > >>> _______________________________________________ > > >>> edk2-devel mailing list > > >>> edk2-devel@lists.01.org > > >>> https://lists.01.org/mailman/listinfo/edk2-devel > > > _______________________________________________ > > > edk2-devel mailing list > > > edk2-devel@lists.01.org > > > https://lists.01.org/mailman/listinfo/edk2-devel > > >