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From: "Leif Lindholm" <leif.lindholm@linaro.org>
To: Krzysztof Koch <krzysztof.koch@arm.com>
Cc: devel@edk2.groups.io, Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Michael D Kinney <michael.d.kinney@intel.com>,
	Sami.Mujawar@arm.com, Matteo.Carlini@arm.com,
	Stephanie.Hughes-Fitt@arm.com, nd@arm.com
Subject: Re: [edk2-platforms PATCH v2 1/1] Platform/ARM: Juno: Add support for PPTT dynamic generation
Date: Tue, 18 Jun 2019 19:16:18 +0100	[thread overview]
Message-ID: <20190618181618.6fvh7orqf4c4fqwp@bivouac.eciton.net> (raw)
In-Reply-To: <20190618092453.6412-1-krzysztof.koch@arm.com>

On Tue, Jun 18, 2019 at 10:24:53AM +0100, Krzysztof Koch wrote:
> Update the Platform Respository for the Juno platform
> to include support for generation of the Processor Properties
> Topology Table (PPTT) using the Dynamic Tables Framework.
> 
> The Platform Repository now also describes the cache and
> processor topology in Juno (all revisions).
> 
> Signed-off-by: Krzysztof Koch <krzysztof.koch@arm.com>

Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
Pushed as 2ff8f1bf36.

> ---
> 
> Changes can be seen at: https://github.com/KrzysztofKoch1/edk2-platforms/tree/392_dynamic_pptt_juno_v2
> 
> Notes:
>     v2:
>     - use ARRAY_SIZE macro from Base.h to compute array size [Leif]
>     v1:
>     - add support for dynamic generation of PPTT [Krzysztof]
> 
>  Platform/ARM/JunoPkg/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c | 438 +++++++++++++++++++-
>  Platform/ARM/JunoPkg/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.h | 136 +++++-
>  2 files changed, 569 insertions(+), 5 deletions(-)
> 
> diff --git a/Platform/ARM/JunoPkg/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c b/Platform/ARM/JunoPkg/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
> index 78b906ddb8bbd35c32b4be98b1ee8bd973b6b818..d52cc2982334ded1c3bf2f5e8f570378d8fb0ae1 100644
> --- a/Platform/ARM/JunoPkg/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
> +++ b/Platform/ARM/JunoPkg/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
> @@ -96,7 +96,13 @@ EDKII_PLATFORM_REPOSITORY_INFO ArmJunoPlatformRepositoryInfo = {
>        CREATE_STD_ACPI_TABLE_GEN_ID (EStdAcpiTableIdSsdt),
>        (EFI_ACPI_DESCRIPTION_HEADER*)ssdtuart_aml_code
>      },
> -
> +    // PPTT Table
> +    {
> +      EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_STRUCTURE_SIGNATURE,
> +      EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_REVISION,
> +      CREATE_STD_ACPI_TABLE_GEN_ID (EStdAcpiTableIdPptt),
> +      NULL
> +    },
>      /* PCI MCFG Table
>         PCIe is only available on Juno R1 and R2.
>         Add the PCI table entries at the end of the table so that
> @@ -261,6 +267,301 @@ EDKII_PLATFORM_REPOSITORY_INFO ArmJunoPlatformRepositoryInfo = {
>      127,
>      // SPI Base used by this frame.
>      224
> +  },
> +
> +  // Processor Hierarchy Nodes
> +  {
> +    // Package
> +    {
> +      // CM_OBJECT_TOKEN  Token
> +      REFERENCE_TOKEN (ProcHierarchyInfo[0]),
> +      // UINT32  Flags
> +      PROC_NODE_FLAGS (
> +        EFI_ACPI_6_3_PPTT_PACKAGE_PHYSICAL,
> +        EFI_ACPI_6_3_PPTT_PROCESSOR_ID_INVALID,
> +        EFI_ACPI_6_3_PPTT_PROCESSOR_IS_NOT_THREAD,
> +        EFI_ACPI_6_3_PPTT_NODE_IS_NOT_LEAF,
> +        EFI_ACPI_6_3_PPTT_IMPLEMENTATION_NOT_IDENTICAL
> +      ),
> +      // CM_OBJECT_TOKEN  ParentToken
> +      CM_NULL_TOKEN,
> +      // CM_OBJECT_TOKEN  GicCToken
> +      CM_NULL_TOKEN,
> +      // UINT32  NoOfPrivateResources
> +      0,
> +      // CM_OBJECT_TOKEN  PrivateResourcesArrayToken
> +      CM_NULL_TOKEN
> +    },
> +    // 'big' cluster
> +    {
> +      // CM_OBJECT_TOKEN  Token
> +      REFERENCE_TOKEN (ProcHierarchyInfo[1]),
> +      // UINT32  Flags
> +      PROC_NODE_FLAGS (
> +        EFI_ACPI_6_3_PPTT_PACKAGE_NOT_PHYSICAL,
> +        EFI_ACPI_6_3_PPTT_PROCESSOR_ID_INVALID,
> +        EFI_ACPI_6_3_PPTT_PROCESSOR_IS_NOT_THREAD,
> +        EFI_ACPI_6_3_PPTT_NODE_IS_NOT_LEAF,
> +        EFI_ACPI_6_3_PPTT_IMPLEMENTATION_IDENTICAL
> +      ),
> +      // CM_OBJECT_TOKEN  ParentToken
> +      REFERENCE_TOKEN (ProcHierarchyInfo[0]), // -> Package
> +      // CM_OBJECT_TOKEN  GicCToken
> +      CM_NULL_TOKEN,
> +      // UINT32  NoOfPrivateResources
> +      BIG_CLUSTER_RESOURCE_COUNT,
> +      // CM_OBJECT_TOKEN  PrivateResourcesArrayToken
> +      REFERENCE_TOKEN (BigClusterResources)
> +    },
> +    // 'LITTLE' cluster
> +    {
> +      // CM_OBJECT_TOKEN  Token
> +      REFERENCE_TOKEN (ProcHierarchyInfo[2]),
> +      // UINT32  Flags
> +      PROC_NODE_FLAGS (
> +        EFI_ACPI_6_3_PPTT_PACKAGE_NOT_PHYSICAL,
> +        EFI_ACPI_6_3_PPTT_PROCESSOR_ID_INVALID,
> +        EFI_ACPI_6_3_PPTT_PROCESSOR_IS_NOT_THREAD,
> +        EFI_ACPI_6_3_PPTT_NODE_IS_NOT_LEAF,
> +        EFI_ACPI_6_3_PPTT_IMPLEMENTATION_IDENTICAL
> +      ),
> +      // CM_OBJECT_TOKEN  ParentToken
> +      REFERENCE_TOKEN (ProcHierarchyInfo[0]), // -> Package
> +      // CM_OBJECT_TOKEN  GicCToken
> +      CM_NULL_TOKEN,
> +      // UINT32  NoOfPrivateResources
> +      LITTLE_CLUSTER_RESOURCE_COUNT,
> +      // CM_OBJECT_TOKEN  PrivateResourcesArrayToken
> +      REFERENCE_TOKEN (LittleClusterResources)
> +    },
> +    // Two 'big' cores
> +    {
> +      // CM_OBJECT_TOKEN  Token
> +      REFERENCE_TOKEN (ProcHierarchyInfo[3]),
> +      // UINT32  Flags
> +      PROC_NODE_FLAGS (
> +        EFI_ACPI_6_3_PPTT_PACKAGE_NOT_PHYSICAL,
> +        EFI_ACPI_6_3_PPTT_PROCESSOR_ID_VALID,
> +        EFI_ACPI_6_3_PPTT_PROCESSOR_IS_NOT_THREAD,
> +        EFI_ACPI_6_3_PPTT_NODE_IS_LEAF,
> +        EFI_ACPI_6_3_PPTT_IMPLEMENTATION_NOT_IDENTICAL
> +      ),
> +      // CM_OBJECT_TOKEN  ParentToken
> +      REFERENCE_TOKEN (ProcHierarchyInfo[1]), // -> 'big' cluster
> +      // CM_OBJECT_TOKEN  GicCToken
> +      REFERENCE_TOKEN (GicCInfo[0]),
> +      // UINT32  NoOfPrivateResources
> +      BIG_CORE_RESOURCE_COUNT,
> +      // CM_OBJECT_TOKEN  PrivateResourcesArrayToken
> +      REFERENCE_TOKEN (BigCoreResources)
> +    },
> +    {
> +      // CM_OBJECT_TOKEN  Token
> +      REFERENCE_TOKEN (ProcHierarchyInfo[4]),
> +      // UINT32  Flags
> +      PROC_NODE_FLAGS (
> +        EFI_ACPI_6_3_PPTT_PACKAGE_NOT_PHYSICAL,
> +        EFI_ACPI_6_3_PPTT_PROCESSOR_ID_VALID,
> +        EFI_ACPI_6_3_PPTT_PROCESSOR_IS_NOT_THREAD,
> +        EFI_ACPI_6_3_PPTT_NODE_IS_LEAF,
> +        EFI_ACPI_6_3_PPTT_IMPLEMENTATION_NOT_IDENTICAL
> +      ),
> +      // CM_OBJECT_TOKEN  ParentToken
> +      REFERENCE_TOKEN (ProcHierarchyInfo[1]), // -> 'big' cluster
> +      // CM_OBJECT_TOKEN  GicCToken
> +      REFERENCE_TOKEN (GicCInfo[1]),
> +      // UINT32  NoOfPrivateResources
> +      BIG_CORE_RESOURCE_COUNT,
> +      // CM_OBJECT_TOKEN  PrivateResourcesArrayToken
> +      REFERENCE_TOKEN (BigCoreResources)
> +    },
> +    // Four 'LITTLE' cores
> +    {
> +      // CM_OBJECT_TOKEN  Token
> +      REFERENCE_TOKEN (ProcHierarchyInfo[5]),
> +      // UINT32  Flags
> +      PROC_NODE_FLAGS (
> +        EFI_ACPI_6_3_PPTT_PACKAGE_NOT_PHYSICAL,
> +        EFI_ACPI_6_3_PPTT_PROCESSOR_ID_VALID,
> +        EFI_ACPI_6_3_PPTT_PROCESSOR_IS_NOT_THREAD,
> +        EFI_ACPI_6_3_PPTT_NODE_IS_LEAF,
> +        EFI_ACPI_6_3_PPTT_IMPLEMENTATION_NOT_IDENTICAL
> +      ),
> +      // CM_OBJECT_TOKEN  ParentToken
> +      REFERENCE_TOKEN (ProcHierarchyInfo[2]), // -> 'LITTLE' cluster
> +      // CM_OBJECT_TOKEN  GicCToken
> +      REFERENCE_TOKEN (GicCInfo[2]),
> +      // UINT32  NoOfPrivateResources
> +      LITTLE_CORE_RESOURCE_COUNT,
> +      // CM_OBJECT_TOKEN  PrivateResourcesArrayToken
> +      REFERENCE_TOKEN (LittleCoreResources)
> +    },
> +    {
> +      // CM_OBJECT_TOKEN  Token
> +      REFERENCE_TOKEN (ProcHierarchyInfo[6]),
> +      // UINT32  Flags
> +      PROC_NODE_FLAGS (
> +        EFI_ACPI_6_3_PPTT_PACKAGE_NOT_PHYSICAL,
> +        EFI_ACPI_6_3_PPTT_PROCESSOR_ID_VALID,
> +        EFI_ACPI_6_3_PPTT_PROCESSOR_IS_NOT_THREAD,
> +        EFI_ACPI_6_3_PPTT_NODE_IS_LEAF,
> +        EFI_ACPI_6_3_PPTT_IMPLEMENTATION_NOT_IDENTICAL
> +      ),
> +      // CM_OBJECT_TOKEN  ParentToken
> +      REFERENCE_TOKEN (ProcHierarchyInfo[2]), // -> 'LITTLE' cluster
> +      // CM_OBJECT_TOKEN  GicCToken
> +      REFERENCE_TOKEN (GicCInfo[3]),
> +      // UINT32  NoOfPrivateResources
> +      LITTLE_CORE_RESOURCE_COUNT,
> +      // CM_OBJECT_TOKEN  PrivateResourcesArrayToken
> +      REFERENCE_TOKEN (LittleCoreResources)
> +    },
> +    {
> +      // CM_OBJECT_TOKEN  Token
> +      REFERENCE_TOKEN (ProcHierarchyInfo[7]),
> +      // UINT32  Flags
> +      PROC_NODE_FLAGS (
> +        EFI_ACPI_6_3_PPTT_PACKAGE_NOT_PHYSICAL,
> +        EFI_ACPI_6_3_PPTT_PROCESSOR_ID_VALID,
> +        EFI_ACPI_6_3_PPTT_PROCESSOR_IS_NOT_THREAD,
> +        EFI_ACPI_6_3_PPTT_NODE_IS_LEAF,
> +        EFI_ACPI_6_3_PPTT_IMPLEMENTATION_NOT_IDENTICAL
> +      ),
> +      // CM_OBJECT_TOKEN  ParentToken
> +      REFERENCE_TOKEN (ProcHierarchyInfo[2]), // -> 'LITTLE' cluster
> +      // CM_OBJECT_TOKEN  GicCToken
> +      REFERENCE_TOKEN (GicCInfo[4]),
> +      // UINT32  NoOfPrivateResources
> +      LITTLE_CORE_RESOURCE_COUNT,
> +      // CM_OBJECT_TOKEN  PrivateResourcesArrayToken
> +      REFERENCE_TOKEN (LittleCoreResources)
> +    },
> +    {
> +      // CM_OBJECT_TOKEN  Token
> +      REFERENCE_TOKEN (ProcHierarchyInfo[8]),
> +      // UINT32  Flags
> +      PROC_NODE_FLAGS (
> +        EFI_ACPI_6_3_PPTT_PACKAGE_NOT_PHYSICAL,
> +        EFI_ACPI_6_3_PPTT_PROCESSOR_ID_VALID,
> +        EFI_ACPI_6_3_PPTT_PROCESSOR_IS_NOT_THREAD,
> +        EFI_ACPI_6_3_PPTT_NODE_IS_LEAF,
> +        EFI_ACPI_6_3_PPTT_IMPLEMENTATION_NOT_IDENTICAL
> +      ),
> +      // CM_OBJECT_TOKEN  ParentToken
> +      REFERENCE_TOKEN (ProcHierarchyInfo[2]), // -> 'LITTLE' cluster
> +      // CM_OBJECT_TOKEN  GicCToken
> +      REFERENCE_TOKEN (GicCInfo[5]),
> +      // UINT32  NoOfPrivateResources
> +      LITTLE_CORE_RESOURCE_COUNT,
> +      // CM_OBJECT_TOKEN  PrivateResourcesArrayToken
> +      REFERENCE_TOKEN (LittleCoreResources)
> +    }
> +  },
> +
> +  // Cache information
> +  {
> +    // 'big' cluster's L2 cache
> +    {
> +      REFERENCE_TOKEN (CacheInfo[0]),  // CM_OBJECT_TOKEN  Token
> +      CM_NULL_TOKEN,                   // CM_OBJECT_TOKEN  NextLevelOfCacheToken
> +      0x200000,                        // UINT32  Size
> +      2048,                            // UINT32  NumberOfSets
> +      16,                              // UINT32  Associativity
> +      CACHE_ATTRIBUTES (               // UINT8   Attributes
> +        EFI_ACPI_6_3_CACHE_ATTRIBUTES_ALLOCATION_READ_WRITE,
> +        EFI_ACPI_6_3_CACHE_ATTRIBUTES_CACHE_TYPE_UNIFIED,
> +        EFI_ACPI_6_3_CACHE_ATTRIBUTES_WRITE_POLICY_WRITE_BACK
> +      ),
> +      64                               // UINT16  LineSize
> +    },
> +    // 'big' core's L1 instruction cache
> +    {
> +      REFERENCE_TOKEN (CacheInfo[1]),  // CM_OBJECT_TOKEN  Token
> +      CM_NULL_TOKEN,                   // CM_OBJECT_TOKEN  NextLevelOfCacheToken
> +      0xc000,                          // UINT32  Size
> +      256,                             // UINT32  NumberOfSets
> +      3,                               // UINT32  Associativity
> +      CACHE_ATTRIBUTES (               // UINT8   Attributes
> +        EFI_ACPI_6_3_CACHE_ATTRIBUTES_ALLOCATION_READ,
> +        EFI_ACPI_6_3_CACHE_ATTRIBUTES_CACHE_TYPE_INSTRUCTION,
> +        EFI_ACPI_6_3_CACHE_ATTRIBUTES_WRITE_POLICY_WRITE_BACK
> +      ),
> +      64                               // UINT16  LineSize
> +    },
> +    // 'big' core's L1 data cache
> +    {
> +      REFERENCE_TOKEN (CacheInfo[2]),  // CM_OBJECT_TOKEN  Token
> +      CM_NULL_TOKEN,                   // CM_OBJECT_TOKEN  NextLevelOfCacheToken
> +      0x8000,                          // UINT32  Size
> +      256,                             // UINT32  NumberOfSets
> +      2,                               // UINT32  Associativity
> +      CACHE_ATTRIBUTES (               // UINT8   Attributes
> +        EFI_ACPI_6_3_CACHE_ATTRIBUTES_ALLOCATION_READ_WRITE,
> +        EFI_ACPI_6_3_CACHE_ATTRIBUTES_CACHE_TYPE_DATA,
> +        EFI_ACPI_6_3_CACHE_ATTRIBUTES_WRITE_POLICY_WRITE_BACK
> +      ),
> +      64                               // UINT16  LineSize
> +    },
> +    // 'LITTLE' cluster's L2 cache
> +    {
> +      REFERENCE_TOKEN (CacheInfo[3]),  // CM_OBJECT_TOKEN  Token
> +      CM_NULL_TOKEN,                   // CM_OBJECT_TOKEN  NextLevelOfCacheToken
> +      0x100000,                        // UINT32  Size
> +      1024,                            // UINT32  NumberOfSets
> +      16,                              // UINT32  Associativity
> +      CACHE_ATTRIBUTES (               // UINT8   Attributes
> +        EFI_ACPI_6_3_CACHE_ATTRIBUTES_ALLOCATION_READ_WRITE,
> +        EFI_ACPI_6_3_CACHE_ATTRIBUTES_CACHE_TYPE_UNIFIED,
> +        EFI_ACPI_6_3_CACHE_ATTRIBUTES_WRITE_POLICY_WRITE_BACK
> +      ),
> +      64                               // UINT16  LineSize
> +    },
> +    // 'LITTLE' core's L1 instruction cache
> +    {
> +      REFERENCE_TOKEN (CacheInfo[4]),  // CM_OBJECT_TOKEN  Token
> +      CM_NULL_TOKEN,                   // CM_OBJECT_TOKEN  NextLevelOfCacheToken
> +      0x8000,                          // UINT32  Size
> +      256,                             // UINT32  NumberOfSets
> +      2,                               // UINT32  Associativity
> +      CACHE_ATTRIBUTES (               // UINT8   Attributes
> +        EFI_ACPI_6_3_CACHE_ATTRIBUTES_ALLOCATION_READ,
> +        EFI_ACPI_6_3_CACHE_ATTRIBUTES_CACHE_TYPE_INSTRUCTION,
> +        EFI_ACPI_6_3_CACHE_ATTRIBUTES_WRITE_POLICY_WRITE_BACK
> +      ),
> +      64                               // UINT16  LineSize
> +    },
> +    // 'LITTLE' core's L1 data cache
> +    {
> +      REFERENCE_TOKEN (CacheInfo[5]),  // CM_OBJECT_TOKEN  Token
> +      CM_NULL_TOKEN,                   // CM_OBJECT_TOKEN  NextLevelOfCacheToken
> +      0x8000,                          // UINT32  Size
> +      128,                             // UINT32  NumberOfSets
> +      4,                               // UINT32  Associativity
> +      CACHE_ATTRIBUTES (               // UINT8   Attributes
> +        EFI_ACPI_6_3_CACHE_ATTRIBUTES_ALLOCATION_READ_WRITE,
> +        EFI_ACPI_6_3_CACHE_ATTRIBUTES_CACHE_TYPE_DATA,
> +        EFI_ACPI_6_3_CACHE_ATTRIBUTES_WRITE_POLICY_WRITE_BACK
> +      ),
> +      64                               // UINT16  LineSize
> +    }
> +  },
> +  // Resources private to the 'big' cluster (shared among cores)
> +  {
> +    { REFERENCE_TOKEN (CacheInfo[0]) }  // -> 'big' cluster's L2 cache
> +  },
> +  // Resources private to each individual 'big' core instance
> +  {
> +    { REFERENCE_TOKEN (CacheInfo[1]) }, // -> 'big' core's L1 I-cache
> +    { REFERENCE_TOKEN (CacheInfo[2]) }  // -> 'big' core's L1 D-cache
> +  },
> +  // Resources private to the 'LITTLE' cluster (shared among cores)
> +  {
> +    { REFERENCE_TOKEN (CacheInfo[3]) }  // -> 'LITTLE' cluster's L2 cache
> +  },
> +  // Resources private to each individual 'LITTLE' core instance
> +  {
> +    { REFERENCE_TOKEN (CacheInfo[4]) }, // -> 'LITTLE' core's L1 I-cache
> +    { REFERENCE_TOKEN (CacheInfo[5]) }  // -> 'LITTLE' core's L1 D-cache
>    }
>  };
>  
> @@ -329,6 +630,116 @@ GetGTBlockTimerFrameInfo (
>    return EFI_SUCCESS;
>  }
>  
> +/** Return GIC CPU Interface Info.
> +
> +  @param [in]      This           Pointer to the Configuration Manager Protocol.
> +  @param [in]      CmObjectId     The Object ID of the CM object requested
> +  @param [in]      SearchToken    A unique token for identifying the requested
> +                                  CM_ARM_GICC_INFO object.
> +  @param [in, out] CmObject       Pointer to the Configuration Manager Object
> +                                  descriptor describing the requested Object.
> +
> +  @retval EFI_SUCCESS             Success.
> +  @retval EFI_INVALID_PARAMETER   A parameter is invalid.
> +  @retval EFI_NOT_FOUND           The required object information is not found.
> +**/
> +EFI_STATUS
> +EFIAPI
> +GetGicCInfo (
> +  IN  CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL  * CONST This,
> +  IN  CONST CM_OBJECT_ID                                  CmObjectId,
> +  IN  CONST CM_OBJECT_TOKEN                               SearchToken,
> +  IN  OUT   CM_OBJ_DESCRIPTOR                     * CONST CmObject
> +  )
> +{
> +  EDKII_PLATFORM_REPOSITORY_INFO  * PlatformRepo;
> +  UINT32                            TotalObjCount;
> +  UINT32                            ObjIndex;
> +
> +  if ((This == NULL) || (CmObject == NULL)) {
> +    ASSERT (This != NULL);
> +    ASSERT (CmObject != NULL);
> +    return EFI_INVALID_PARAMETER;
> +  }
> +
> +  PlatformRepo = This->PlatRepoInfo;
> +
> +  TotalObjCount = ARRAY_SIZE (PlatformRepo->GicCInfo);
> +
> +  for (ObjIndex = 0; ObjIndex < TotalObjCount; ObjIndex++) {
> +    if (SearchToken == (CM_OBJECT_TOKEN)&PlatformRepo->GicCInfo[ObjIndex]) {
> +      CmObject->ObjectId = CmObjectId;
> +      CmObject->Size = sizeof (PlatformRepo->GicCInfo[ObjIndex]);
> +      CmObject->Data = (VOID*)&PlatformRepo->GicCInfo[ObjIndex];
> +      CmObject->Count = 1;
> +      return EFI_SUCCESS;
> +    }
> +  }
> +
> +  return EFI_NOT_FOUND;
> +}
> +
> +/** Return a list of Configuration Manager object references pointed to by the
> +    given input token.
> +
> +  @param [in]      This           Pointer to the Configuration Manager Protocol.
> +  @param [in]      CmObjectId     The Object ID of the CM object requested
> +  @param [in]      SearchToken    A unique token for identifying the requested
> +                                  CM_ARM_OBJ_REF list.
> +  @param [in, out] CmObject       Pointer to the Configuration Manager Object
> +                                  descriptor describing the requested Object.
> +
> +  @retval EFI_SUCCESS             Success.
> +  @retval EFI_INVALID_PARAMETER   A parameter is invalid.
> +  @retval EFI_NOT_FOUND           The required object information is not found.
> +**/
> +EFI_STATUS
> +EFIAPI
> +GetCmObjRefs (
> +  IN  CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL  * CONST This,
> +  IN  CONST CM_OBJECT_ID                                  CmObjectId,
> +  IN  CONST CM_OBJECT_TOKEN                               SearchToken,
> +  IN  OUT   CM_OBJ_DESCRIPTOR                     * CONST CmObject
> +  )
> +{
> +  EDKII_PLATFORM_REPOSITORY_INFO  * PlatformRepo;
> +
> +  if ((This == NULL) || (CmObject == NULL)) {
> +    ASSERT (This != NULL);
> +    ASSERT (CmObject != NULL);
> +    return EFI_INVALID_PARAMETER;
> +  }
> +
> +  PlatformRepo = This->PlatRepoInfo;
> +
> +  if (SearchToken == (CM_OBJECT_TOKEN)&PlatformRepo->BigClusterResources) {
> +    CmObject->Size = sizeof (PlatformRepo->BigClusterResources);
> +    CmObject->Data = (VOID*)&PlatformRepo->BigClusterResources;
> +    CmObject->Count = ARRAY_SIZE (PlatformRepo->BigClusterResources);
> +    return EFI_SUCCESS;
> +  }
> +  if (SearchToken == (CM_OBJECT_TOKEN)&PlatformRepo->BigCoreResources) {
> +    CmObject->Size = sizeof (PlatformRepo->BigCoreResources);
> +    CmObject->Data = (VOID*)&PlatformRepo->BigCoreResources;
> +    CmObject->Count = ARRAY_SIZE (PlatformRepo->BigCoreResources);
> +    return EFI_SUCCESS;
> +  }
> +  if (SearchToken == (CM_OBJECT_TOKEN)&PlatformRepo->LittleClusterResources) {
> +    CmObject->Size = sizeof (PlatformRepo->LittleClusterResources);
> +    CmObject->Data = (VOID*)&PlatformRepo->LittleClusterResources;
> +    CmObject->Count = ARRAY_SIZE (PlatformRepo->LittleClusterResources);
> +    return EFI_SUCCESS;
> +  }
> +  if (SearchToken == (CM_OBJECT_TOKEN)&PlatformRepo->LittleCoreResources) {
> +    CmObject->Size = sizeof (PlatformRepo->LittleCoreResources);
> +    CmObject->Data = (VOID*)&PlatformRepo->LittleCoreResources;
> +    CmObject->Count = ARRAY_SIZE (PlatformRepo->LittleCoreResources);
> +    return EFI_SUCCESS;
> +  }
> +
> +  return EFI_NOT_FOUND;
> +}
> +
>  /** Return a standard namespace object.
>  
>    @param [in]      This        Pointer to the Configuration Manager Protocol.
> @@ -486,12 +897,13 @@ GetArmNameSpaceObject (
>        Token,
>        GetGTBlockTimerFrameInfo
>        );
> -    HANDLE_CM_OBJECT (
> +    HANDLE_CM_OBJECT_REF_BY_TOKEN (
>        EArmObjGicCInfo,
>        CmObjectId,
>        PlatformRepo->GicCInfo,
> -      (sizeof (PlatformRepo->GicCInfo) /
> -         sizeof (PlatformRepo->GicCInfo[0]))
> +      ARRAY_SIZE (PlatformRepo->GicCInfo),
> +      Token,
> +      GetGicCInfo
>        );
>      HANDLE_CM_OBJECT (
>        EArmObjGicDInfo,
> @@ -518,6 +930,24 @@ GetArmNameSpaceObject (
>        PlatformRepo->GicMsiFrameInfo,
>        1
>        );
> +    HANDLE_CM_OBJECT (
> +      EArmObjProcHierarchyInfo,
> +      CmObjectId,
> +      PlatformRepo->ProcHierarchyInfo,
> +      ARRAY_SIZE (PlatformRepo->ProcHierarchyInfo)
> +      );
> +    HANDLE_CM_OBJECT (
> +      EArmObjCacheInfo,
> +      CmObjectId,
> +      PlatformRepo->CacheInfo,
> +      ARRAY_SIZE (PlatformRepo->CacheInfo)
> +      );
> +    HANDLE_CM_OBJECT_SEARCH_PLAT_REPO (
> +      EArmObjCmRef,
> +      CmObjectId,
> +      Token,
> +      GetCmObjRefs
> +      );
>  
>      case EArmObjPciConfigSpaceInfo:
>        if (PlatformRepo->JunoRevision != JUNO_REVISION_R0) {
> diff --git a/Platform/ARM/JunoPkg/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.h b/Platform/ARM/JunoPkg/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.h
> index 060817430fe75fdf79196f8a9d31561028fb0f50..7fdf663fc6d2ad80da26ff1f1635c858d5be4e93 100644
> --- a/Platform/ARM/JunoPkg/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.h
> +++ b/Platform/ARM/JunoPkg/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.h
> @@ -20,6 +20,12 @@
>  */
>  #define CFG_MGR_OEM_ID    { 'A', 'R', 'M', 'L', 'T', 'D' }
>  
> +/** A helper macro for mapping a reference token
> +*/
> +#define REFERENCE_TOKEN(Field)                                           \
> +  (CM_OBJECT_TOKEN)((UINT8*)&ArmJunoPlatformRepositoryInfo +             \
> +    OFFSET_OF (EDKII_PLATFORM_REPOSITORY_INFO, Field))
> +
>  /** A helper macro for populating the GIC CPU information
>  */
>  #define GICC_ENTRY(                                                      \
> @@ -46,6 +52,36 @@
>      EnergyEfficiency          /* UINT8   ProcessorPowerEfficiencyClass*/ \
>      }
>  
> +/** A helper macro for populating the Processor Hierarchy Node flags
> +*/
> +#define PROC_NODE_FLAGS(                                                \
> +          PhysicalPackage,                                              \
> +          AcpiProcessorIdValid,                                         \
> +          ProcessorIsThread,                                            \
> +          NodeIsLeaf,                                                   \
> +          IdenticalImplementation                                       \
> +          )                                                             \
> +  (                                                                     \
> +    PhysicalPackage |                                                   \
> +    (AcpiProcessorIdValid << 1) |                                       \
> +    (ProcessorIsThread << 2) |                                          \
> +    (NodeIsLeaf << 3) |                                                 \
> +    (IdenticalImplementation << 4)                                      \
> +  )
> +
> +/** A helper macro for populating the Cache Type Structure's attributes
> +*/
> +#define CACHE_ATTRIBUTES(                                               \
> +          AllocationType,                                               \
> +          CacheType,                                                    \
> +          WritePolicy                                                   \
> +          )                                                             \
> +  (                                                                     \
> +    AllocationType |                                                    \
> +    (CacheType << 2) |                                                  \
> +    (WritePolicy << 4)                                                  \
> +  )
> +
>  /** A helper macro for returning configuration manager objects
>  */
>  #define HANDLE_CM_OBJECT(ObjId, CmObjectId, Object, ObjectCount)      \
> @@ -102,13 +138,46 @@
>      break;                                                                  \
>    }
>  
> +/** A helper macro for returning configuration manager objects referenced
> +    by token when the entire platform repository is in scope and the
> +    CM_NULL_TOKEN value is not allowed.
> +*/
> +#define HANDLE_CM_OBJECT_SEARCH_PLAT_REPO(                                  \
> +          ObjId,                                                            \
> +          CmObjectId,                                                       \
> +          Token,                                                            \
> +          HandlerProc                                                       \
> +          )                                                                 \
> +  case ObjId: {                                                             \
> +    CmObject->ObjectId = CmObjectId;                                        \
> +    if (Token == CM_NULL_TOKEN) {                                           \
> +      Status = EFI_INVALID_PARAMETER;                                       \
> +      DEBUG ((                                                              \
> +        DEBUG_ERROR,                                                        \
> +        #ObjId ": CM_NULL_TOKEN value is not allowed when searching"        \
> +        " the entire platform repository.\n"                                \
> +        ));                                                                 \
> +    } else {                                                                \
> +      Status = HandlerProc (This, CmObjectId, Token, CmObject);             \
> +      DEBUG ((                                                              \
> +        DEBUG_INFO,                                                         \
> +        #ObjId ": Token = 0x%p, Ptr = 0x%p, Size = %d, Count = %d\n",       \
> +        (VOID*)Token,                                                       \
> +        CmObject->Data,                                                     \
> +        CmObject->Size,                                                     \
> +        CmObject->Count                                                     \
> +        ));                                                                 \
> +    }                                                                       \
> +    break;                                                                  \
> +  }
> +
>  /** The number of CPUs
>  */
>  #define PLAT_CPU_COUNT          6
>  
>  /** The number of ACPI tables to install
>  */
> -#define PLAT_ACPI_TABLE_COUNT   10
> +#define PLAT_ACPI_TABLE_COUNT   11
>  
>  /** The number of platform generic timer blocks
>  */
> @@ -118,6 +187,53 @@
>  */
>  #define PLAT_GTFRAME_COUNT          2
>  
> +/** For all Juno revisions, the cache and processor topology is identical.
> +
> +  Terms 'big' and 'LITTLE' are used in favour of A72, A57 or A53 to take into
> +  account that Juno r2 uses Cortex-A72 as 'big' cores, whereas Juno r0 and r1
> +  have Cortex-A57 as 'big' cores.
> +*/
> +
> +/** The number of Processor Hierarchy Nodes
> +    - one package node
> +    - two cluster nodes ('big' + 'LITTLE')
> +    - two 'big' cores
> +    - four 'LITTLE' cores
> +*/
> +#define PLAT_PROC_HIERARCHY_NODE_COUNT  9
> +
> +/** The number of unique cache structures:
> +    - 'big' core L1 instruction cache
> +    - 'big' core L1 data cache
> +    - 'big' core L2 cache
> +    - 'LITTLE' core L1 instruction cache
> +    - 'LITTLE' core L1 data cache
> +    - 'LITTLE' core L2 cache
> +*/
> +#define PLAT_CACHE_COUNT                6
> +
> +/** The number of resources private to the entire 'big' cluster
> +    - L2 cache
> +*/
> +#define BIG_CLUSTER_RESOURCE_COUNT  1
> +
> +/** The number of resources private to 'big' core instance
> +    - L1 data cache
> +    - L1 instruction cache
> +*/
> +#define BIG_CORE_RESOURCE_COUNT  2
> +
> +/** The number of resources private to the entire 'LITTLE' cluster
> +    - L2 cache
> +*/
> +#define LITTLE_CLUSTER_RESOURCE_COUNT  1
> +
> +/** The number of resources private to each 'LITTLE' core instance
> +    - L1 data cache
> +    - L1 instruction cache
> +*/
> +#define LITTLE_CORE_RESOURCE_COUNT  2
> +
>  /** A structure describing the platform configuration
>      manager repository information
>  */
> @@ -166,6 +282,24 @@ typedef struct PlatformRepositoryInfo {
>    /// GIC MSI Frame information
>    CM_ARM_GIC_MSI_FRAME_INFO             GicMsiFrameInfo;
>  
> +  // Processor topology information
> +  CM_ARM_PROC_HIERARCHY_INFO            ProcHierarchyInfo[PLAT_PROC_HIERARCHY_NODE_COUNT];
> +
> +  // Cache information
> +  CM_ARM_CACHE_INFO                     CacheInfo[PLAT_CACHE_COUNT];
> +
> +  // 'big' cluster private resources
> +  CM_ARM_OBJ_REF                        BigClusterResources[BIG_CLUSTER_RESOURCE_COUNT];
> +
> +  // 'big' core private resources
> +  CM_ARM_OBJ_REF                        BigCoreResources[BIG_CORE_RESOURCE_COUNT];
> +
> +  // 'LITTLE' cluster private resources
> +  CM_ARM_OBJ_REF                        LittleClusterResources[LITTLE_CLUSTER_RESOURCE_COUNT];
> +
> +  // 'LITTLE' core private resources
> +  CM_ARM_OBJ_REF                        LittleCoreResources[LITTLE_CORE_RESOURCE_COUNT];
> +
>    /// Juno Board Revision
>    UINT32                                JunoRevision;
>  } EDKII_PLATFORM_REPOSITORY_INFO;
> --
> 'Guid(CE165669-3EF3-493F-B85D-6190EE5B9759)'
> 
> 

      reply	other threads:[~2019-06-18 18:16 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-18  9:24 [edk2-platforms PATCH v2 1/1] Platform/ARM: Juno: Add support for PPTT dynamic generation Krzysztof Koch
2019-06-18 18:16 ` Leif Lindholm [this message]

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