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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C X-Received: from SATLEXMB04.amd.com (165.204.84.17) by CY4PEPF0000EE3F.mail.protection.outlook.com (10.167.242.19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7409.10 via Frontend Transport; Thu, 28 Mar 2024 12:30:15 +0000 X-Received: from SATLEXMB03.amd.com (10.181.40.144) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Thu, 28 Mar 2024 07:30:13 -0500 X-Received: from BLR-LAB-SFW01.amd.com (10.180.168.240) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35 via Frontend Transport; Thu, 28 Mar 2024 07:30:11 -0500 From: "Abdul Lateef Attar via groups.io" To: CC: Abdul Lateef Attar , Sami Mujawar , Pierre Gondois Subject: [edk2-devel] [PATCH v4 2/5] DynamicTablesPkg: Adds ACPI HPET Table generator Date: Thu, 28 Mar 2024 17:59:56 +0530 Message-ID: <9867e0eb1c3c934c2f95b3d710996150b793ab1c.1711625281.git.AbdulLateef.Attar@amd.com> In-Reply-To: References: MIME-Version: 1.0 Received-SPF: None (SATLEXMB04.amd.com: AbdulLateef.Attar@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EE3F:EE_|PH7PR12MB8796:EE_ X-MS-Office365-Filtering-Correlation-Id: 4a33240a-3926-44f0-9344-08dc4f22d263 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Message-Info: 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 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Mar 2024 12:30:15.5897 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4a33240a-3926-44f0-9344-08dc4f22d263 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EE3F.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB8796 Precedence: Bulk List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Resent-Date: Thu, 28 Mar 2024 05:30:18 -0700 Reply-To: devel@edk2.groups.io,AbdulLateef.Attar@amd.com List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: 7R3AXoP6B8R9pla62nD9KQpFx7686176AA= Content-Transfer-Encoding: quoted-printable Content-Type: text/plain X-GND-Status: LEGIT Authentication-Results: spool.mail.gandi.net; dkim=pass header.d=groups.io header.s=20240206 header.b=HiGZ21Js; dmarc=pass (policy=none) header.from=groups.io; spf=pass (spool.mail.gandi.net: domain of bounce@groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce@groups.io Adds generic ACPI HPET table generator library. Register/Deregister HPET table. Update the HPET table during boot as per specification. Cc: Sami Mujawar Cc: Pierre Gondois Signed-off-by: Abdul Lateef Attar --- DynamicTablesPkg/DynamicTables.dsc.inc | 2 + DynamicTablesPkg/Include/AcpiTableGenerator.h | 1 + .../Include/ArchNameSpaceObjects.h | 9 + .../Library/Acpi/AcpiHpetLib/AcpiHpetLib.inf | 31 +++ .../Library/Acpi/AcpiHpetLib/HpetGenerator.c | 246 ++++++++++++++++++ 5 files changed, 289 insertions(+) create mode 100644 DynamicTablesPkg/Library/Acpi/AcpiHpetLib/AcpiHpetLib.i= nf create mode 100644 DynamicTablesPkg/Library/Acpi/AcpiHpetLib/HpetGenerator= .c diff --git a/DynamicTablesPkg/DynamicTables.dsc.inc b/DynamicTablesPkg/Dyna= micTables.dsc.inc index 92f3a138e4..b2ef36eb8a 100644 --- a/DynamicTablesPkg/DynamicTables.dsc.inc +++ b/DynamicTablesPkg/DynamicTables.dsc.inc @@ -34,6 +34,7 @@ # Generators # DynamicTablesPkg/Library/Acpi/AcpiFadtLib/AcpiFadtLib.inf + DynamicTablesPkg/Library/Acpi/AcpiHpetLib/AcpiHpetLib.inf =20 [Components.IA32, Components.X64] # @@ -42,6 +43,7 @@ DynamicTablesPkg/Drivers/DynamicTableFactoryDxe/DynamicTableFactoryDxe.i= nf { NULL|DynamicTablesPkg/Library/Acpi/AcpiFadtLib/AcpiFadtLib.inf + NULL|DynamicTablesPkg/Library/Acpi/AcpiHpetLib/AcpiHpetLib.inf } =20 [Components.ARM, Components.AARCH64] diff --git a/DynamicTablesPkg/Include/AcpiTableGenerator.h b/DynamicTablesP= kg/Include/AcpiTableGenerator.h index d0eda011c3..18b5f99f47 100644 --- a/DynamicTablesPkg/Include/AcpiTableGenerator.h +++ b/DynamicTablesPkg/Include/AcpiTableGenerator.h @@ -99,6 +99,7 @@ typedef enum StdAcpiTableId { EStdAcpiTableIdSsdtCpuTopology, ///< SSDT Cpu Topology EStdAcpiTableIdSsdtPciExpress, ///< SSDT Pci Express Gene= rator EStdAcpiTableIdPcct, ///< PCCT Generator + EStdAcpiTableIdHpet, ///< HPET Generator EStdAcpiTableIdMax } ESTD_ACPI_TABLE_ID; =20 diff --git a/DynamicTablesPkg/Include/ArchNameSpaceObjects.h b/DynamicTable= sPkg/Include/ArchNameSpaceObjects.h index b421c4cd29..b90e573a88 100644 --- a/DynamicTablesPkg/Include/ArchNameSpaceObjects.h +++ b/DynamicTablesPkg/Include/ArchNameSpaceObjects.h @@ -39,6 +39,7 @@ typedef enum ArchObjectID { EArchObjFadtArmBootArch, ///< 11 - ARM boot arch information EArchObjFadtHypervisorVendorId, ///< 12 - Hypervisor vendor identity inf= ormation EArchObjFadtMiscInfo, ///< 13 - Legacy fields; RTC, latency, f= lush stride, etc + EArchObjHpetBaseAddress, ///< 14 - HPET Base Address EArchObjMax } E_ARCH_OBJECT_ID; =20 @@ -214,4 +215,12 @@ typedef struct CmArchFadtMiscInfo { UINT8 Century; } CM_ARCH_FADT_MISC_INFO; =20 +/** A structure that describes the + HPET Base Address. + + ID: EArchObjHpetBaseAddress +*/ +typedef struct CmArchHpetBaseAddress { + UINT64 BaseAddress; +} CM_ARCH_HPET_BASE_ADDRESS; #endif diff --git a/DynamicTablesPkg/Library/Acpi/AcpiHpetLib/AcpiHpetLib.inf b/Dy= namicTablesPkg/Library/Acpi/AcpiHpetLib/AcpiHpetLib.inf new file mode 100644 index 0000000000..f0441107fc --- /dev/null +++ b/DynamicTablesPkg/Library/Acpi/AcpiHpetLib/AcpiHpetLib.inf @@ -0,0 +1,31 @@ +## @file +# HPET Table Generator +# +# Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved. +# +# SPDX-License-Identifier: BSD-2-Clause-Patent +## + +[Defines] + INF_VERSION =3D 1.27 + BASE_NAME =3D AcpiHpetLib + FILE_GUID =3D 4E75F653-C356-48B3-B32C-D1B901ECF90A + VERSION_STRING =3D 1.0 + MODULE_TYPE =3D DXE_DRIVER + LIBRARY_CLASS =3D NULL|DXE_DRIVER + CONSTRUCTOR =3D AcpiHpetLibConstructor + DESTRUCTOR =3D AcpiHpetLibDestructor + +[Sources] + HpetGenerator.c + +[Packages] + DynamicTablesPkg/DynamicTablesPkg.dec + MdeModulePkg/MdeModulePkg.dec + MdePkg/MdePkg.dec + +[LibraryClasses] + BaseLib + DebugLib + IoLib + diff --git a/DynamicTablesPkg/Library/Acpi/AcpiHpetLib/HpetGenerator.c b/Dy= namicTablesPkg/Library/Acpi/AcpiHpetLib/HpetGenerator.c new file mode 100644 index 0000000000..937879b7b3 --- /dev/null +++ b/DynamicTablesPkg/Library/Acpi/AcpiHpetLib/HpetGenerator.c @@ -0,0 +1,246 @@ +/** @file + HPET Table Generator + + Copyright (c) 2017 - 2023, Arm Limited. All rights reserved. + Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved. + + SPDX-License-Identifier: BSD-2-Clause-Patent + + @par Reference(s): + - ACPI 6.5 Specification, Aug 29, 2022 + - HPET spec, version 1.0a + http://www.intel.com/content/dam/www/public/us/en/documents/technical-= specifications/software-developers-hpet-spec-1-0a.pdf + +**/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/// +/// HPET General Register Offsets +/// +#define HPET_GENERAL_CAPABILITIES_ID_OFFSET 0x000 + +/** The Creator ID for the ACPI tables generated using + the standard ACPI table generators. +*/ +#define TABLE_GENERATOR_CREATOR_ID_GENERIC SIGNATURE_32('D', 'Y', 'N', 'T= ') + +/** The AcpiHpet is a template EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_H= EADER + structure used for generating the HPET Table. +*/ +STATIC +EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER mAcpiHpet =3D { + ACPI_HEADER ( + EFI_ACPI_6_5_HIGH_PRECISION_EVENT_TIMER_TABLE_SIGNATURE, + EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER, + EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_REVISION + ), + // EventTimerBlockId + 0, + // BaseAddressLower32Bit + { EFI_ACPI_6_5_SYSTEM_MEMORY, 0,0, EFI_ACPI_= RESERVED_BYTE, 0 }, + // HpetNumber + 0, + // MainCounterMinimumClockTickInPeriodicMode + 0, + // PageProtectionAndOemAttribute + EFI_ACPI_NO_PAGE_PROTECTION +}; + +/** This macro expands to a function that retrieves the + HPET base address from the Configuration Manager. +*/ +GET_OBJECT_LIST ( + EObjNameSpaceArch, + EArchObjHpetBaseAddress, + CM_ARCH_HPET_BASE_ADDRESS + ); + +/** Construct the HPET table. + + This function invokes the Configuration Manager protocol interface + to get the required hardware information for generating the ACPI + table. + + If this function allocates any resources then they must be freed + in the FreeXXXXTableResources function. + + @param [in] This Pointer to the table generator. + @param [in] AcpiTableInfo Pointer to the ACPI Table Info. + @param [in] CfgMgrProtocol Pointer to the Configuration Manager + Protocol Interface. + @param [out] Table Pointer to the constructed ACPI Table. + + @retval EFI_SUCCESS Table generated successfully. + @retval EFI_INVALID_PARAMETER A parameter is invalid. + @retval EFI_NOT_FOUND The required object was not found. + @retval EFI_BAD_BUFFER_SIZE The size returned by the Configuration + Manager is less than the Object size for t= he + requested object. +**/ +STATIC +EFI_STATUS +BuildHpetTable ( + IN CONST ACPI_TABLE_GENERATOR *CONST This, + IN CONST CM_STD_OBJ_ACPI_TABLE_INFO *CONST AcpiTableInfo, + IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL *CONST CfgMgrProtocol, + OUT EFI_ACPI_DESCRIPTION_HEADER **CONST Table + ) +{ + EFI_STATUS Status; + CM_ARCH_HPET_BASE_ADDRESS *HpetBaseAddress; + + ASSERT (This !=3D NULL); + ASSERT (AcpiTableInfo !=3D NULL); + ASSERT (CfgMgrProtocol !=3D NULL); + ASSERT (Table !=3D NULL); + ASSERT (AcpiTableInfo->TableGeneratorId =3D=3D This->GeneratorID); + ASSERT (AcpiTableInfo->AcpiTableSignature =3D=3D This->AcpiTableSignatur= e); + + if ((AcpiTableInfo->AcpiTableRevision < This->MinAcpiTableRevision) || + (AcpiTableInfo->AcpiTableRevision > This->AcpiTableRevision)) + { + DEBUG (( + DEBUG_ERROR, + "ERROR: HPET: Requested table revision =3D %d, is not supported." + "Supported table revision: Minimum =3D %d, Maximum =3D %d\n", + AcpiTableInfo->AcpiTableRevision, + This->MinAcpiTableRevision, + This->AcpiTableRevision + )); + return EFI_INVALID_PARAMETER; + } + + *Table =3D NULL; + + Status =3D AddAcpiHeader ( + CfgMgrProtocol, + This, + (EFI_ACPI_DESCRIPTION_HEADER *)&mAcpiHpet, + AcpiTableInfo, + sizeof (EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER) + ); + if (EFI_ERROR (Status)) { + DEBUG (( + DEBUG_ERROR, + "ERROR: HPET: Failed to add ACPI header. Status =3D %r\n", + Status + )); + return Status; + } + + // Get the HPET Base Address from the Platform Configuration Manager + Status =3D GetEArchObjHpetBaseAddress ( + CfgMgrProtocol, + CM_NULL_TOKEN, + &HpetBaseAddress, + NULL + ); + if (EFI_ERROR (Status)) { + DEBUG (( + DEBUG_ERROR, + "ERROR: HPET: Failed to get HPET Base Address. Status =3D %r\n", + Status + )); + return Status; + } + + mAcpiHpet.BaseAddressLower32Bit.Address =3D HpetBaseAddress-= >BaseAddress; + mAcpiHpet.EventTimerBlockId =3D MmioRead32 ((UIN= TN)(HpetBaseAddress->BaseAddress + HPET_GENERAL_CAPABILITIES_ID_OFFSET)); + mAcpiHpet.MainCounterMinimumClockTickInPeriodicMode =3D (UINT16)MmioRead= 32 ((UINTN)(HpetBaseAddress->BaseAddress + HPET_GENERAL_CAPABILITIES_ID_OFF= SET + 4)); + *Table =3D (EFI_ACPI_DESCRI= PTION_HEADER *)&mAcpiHpet; + + return Status; +} + +/** This macro defines the HPET Table Generator revision. +*/ +#define HPET_GENERATOR_REVISION CREATE_REVISION (1, 0) + +/** The interface for the HPET Table Generator. +*/ +STATIC +CONST +ACPI_TABLE_GENERATOR mHpetGenerator =3D { + // Generator ID + CREATE_STD_ACPI_TABLE_GEN_ID (EStdAcpiTableIdHpet), + // Generator Description + L"ACPI.STD.HPET.GENERATOR", + // ACPI Table Signature + EFI_ACPI_6_5_HIGH_PRECISION_EVENT_TIMER_TABLE_SIGNATURE, + // ACPI Table Revision supported by this Generator + EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_REVISION, + // Minimum supported ACPI Table Revision + EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_REVISION, + // Creator ID + TABLE_GENERATOR_CREATOR_ID_GENERIC, + // Creator Revision + HPET_GENERATOR_REVISION, + // Build Table function + BuildHpetTable, + // No additional resources are allocated by the generator. + // Hence the Free Resource function is not required. + NULL, + // Extended build function not needed + NULL, + // Extended build function not implemented by the generator. + // Hence extended free resource function is not required. + NULL +}; + +/** Register the Generator with the ACPI Table Factory. + + @param [in] ImageHandle The handle to the image. + @param [in] SystemTable Pointer to the System Table. + + @retval EFI_SUCCESS The Generator is registered. + @retval EFI_INVALID_PARAMETER A parameter is invalid. + @retval EFI_ALREADY_STARTED The Generator for the Table ID + is already registered. +**/ +EFI_STATUS +EFIAPI +AcpiHpetLibConstructor ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + EFI_STATUS Status; + + Status =3D RegisterAcpiTableGenerator (&mHpetGenerator); + DEBUG ((DEBUG_INFO, "HPET: Register Generator. Status =3D %r\n", Status)= ); + ASSERT_EFI_ERROR (Status); + return Status; +} + +/** Deregister the Generator from the ACPI Table Factory. + + @param [in] ImageHandle The handle to the image. + @param [in] SystemTable Pointer to the System Table. + + @retval EFI_SUCCESS The Generator is deregistered. + @retval EFI_INVALID_PARAMETER A parameter is invalid. + @retval EFI_NOT_FOUND The Generator is not registered. +**/ +EFI_STATUS +EFIAPI +AcpiHpetLibDestructor ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + EFI_STATUS Status; + + Status =3D DeregisterAcpiTableGenerator (&mHpetGenerator); + DEBUG ((DEBUG_INFO, "HPET: Deregister Generator. Status =3D %r\n", Statu= s)); + ASSERT_EFI_ERROR (Status); + return Status; +} --=20 2.34.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. 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