Detailed commit description, please.

Graeme - any comments on ACPIness?

On Thu, Jan 18, 2018 at 11:01:30PM +0800, Ming Huang wrote:
> From: Jason Zhang <zhangjinso...@huawei.com>
> 
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Jason Zhang <zhangjinso...@huawei.com>
> Signed-off-by: Ming Huang <huangmin...@huawei.com>
> Signed-off-by: Heyi Guo <heyi....@linaro.org>
> ---
>  Platform/Hisilicon/D05/D05.dsc                          |   1 +
>  Platform/Hisilicon/D05/D05.fdf                          |   1 +
>  Silicon/Hisilicon/Hi1616/D05AcpiTables/Hi1616Platform.h |  27 ++
>  Silicon/Hisilicon/Hi1616/D05AcpiTables/MadtHi1616.aslc  |  31 +-
>  Silicon/Hisilicon/Hi1616/Pptt/Pptt.c                    | 447 
> ++++++++++++++++++++
>  Silicon/Hisilicon/Hi1616/Pptt/Pptt.h                    | 142 +++++++
>  Silicon/Hisilicon/Hi1616/Pptt/Pptt.inf                  |  55 +++
>  7 files changed, 677 insertions(+), 27 deletions(-)
> 
> diff --git a/Platform/Hisilicon/D05/D05.dsc b/Platform/Hisilicon/D05/D05.dsc
> index 77a89fd..710339c 100644
> --- a/Platform/Hisilicon/D05/D05.dsc
> +++ b/Platform/Hisilicon/D05/D05.dsc
> @@ -506,6 +506,7 @@
>    MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
>  
>    Silicon/Hisilicon/Hi1616/D05AcpiTables/AcpiTablesHi1616.inf
> +  Silicon/Hisilicon/Hi1616/Pptt/Pptt.inf
>    Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
>  
>    #
> diff --git a/Platform/Hisilicon/D05/D05.fdf b/Platform/Hisilicon/D05/D05.fdf
> index 78ab0c8..97de4d2 100644
> --- a/Platform/Hisilicon/D05/D05.fdf
> +++ b/Platform/Hisilicon/D05/D05.fdf
> @@ -241,6 +241,7 @@ READ_LOCK_STATUS   = TRUE
>    INF Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/AcpiPlatformDxe.inf
>  
>    INF RuleOverride=ACPITABLE 
> Silicon/Hisilicon/Hi1616/D05AcpiTables/AcpiTablesHi1616.inf
> +  INF Silicon/Hisilicon/Hi1616/Pptt/Pptt.inf
>    INF Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
>  
>    #
> diff --git a/Silicon/Hisilicon/Hi1616/D05AcpiTables/Hi1616Platform.h 
> b/Silicon/Hisilicon/Hi1616/D05AcpiTables/Hi1616Platform.h
> index 808219a..f1927e8 100644
> --- a/Silicon/Hisilicon/Hi1616/D05AcpiTables/Hi1616Platform.h
> +++ b/Silicon/Hisilicon/Hi1616/D05AcpiTables/Hi1616Platform.h

As far as I can tell, all of the changes to this file (and the
resulting counterpart in
Silicon/Hisilicon/Hi1616/D05AcpiTables/MadtHi1616.aslc) are
non-functional.

Please break these changes out as a separate patch.
This is good cleanup, but unrelated to the stated change.

> @@ -19,6 +19,7 @@
>  
>  #ifndef _HI1610_PLATFORM_H_
>  #define _HI1610_PLATFORM_H_
> +#include <IndustryStandard/Acpi.h>
>  
>  //
>  // ACPI table information used to initialize tables.
> @@ -44,5 +45,31 @@
>    }
>  
>  #define HI1616_WATCHDOG_COUNT  2
> +#define HI1616_GIC_STRUCTURE_COUNT  64
> +
> +#define HI1616_MPID_TA_BASE  0x10000
> +#define HI1616_MPID_TB_BASE  0x30000
> +#define HI1616_MPID_TA_2_BASE  0x50000
> +#define HI1616_MPID_TB_2_BASE  0x70000
> +
> +// Differs from Juno, we have another affinity level beyond cluster and core
> +#define PLATFORM_GET_MPID_TA(ClusterId, CoreId)   (HI1616_MPID_TA_BASE | 
> ((ClusterId) << 8) | (CoreId))
> +#define PLATFORM_GET_MPID_TB(ClusterId, CoreId)   (HI1616_MPID_TB_BASE | 
> ((ClusterId) << 8) | (CoreId))
> +#define PLATFORM_GET_MPID_TA_2(ClusterId, CoreId)   (HI1616_MPID_TA_2_BASE | 
> ((ClusterId) << 8) | (CoreId))
> +#define PLATFORM_GET_MPID_TB_2(ClusterId, CoreId)   (HI1616_MPID_TB_2_BASE | 
> ((ClusterId) << 8) | (CoreId))
> +
> +//
> +// Multiple APIC Description Table
> +//
> +#pragma pack (1)
> +
> +typedef struct {
> +  EFI_ACPI_6_1_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER   Header;
> +  EFI_ACPI_6_1_GIC_STRUCTURE                            
> GicInterfaces[HI1616_GIC_STRUCTURE_COUNT];
> +  EFI_ACPI_6_1_GIC_DISTRIBUTOR_STRUCTURE                GicDistributor;
> +  EFI_ACPI_6_1_GIC_ITS_STRUCTURE                        GicITS[8];
> +} EFI_ACPI_6_1_MULTIPLE_APIC_DESCRIPTION_TABLE;
> +
> +#pragma pack ()
>  
>  #endif
> diff --git a/Silicon/Hisilicon/Hi1616/D05AcpiTables/MadtHi1616.aslc 
> b/Silicon/Hisilicon/Hi1616/D05AcpiTables/MadtHi1616.aslc
> index 169ee72..33dca03 100644
> --- a/Silicon/Hisilicon/Hi1616/D05AcpiTables/MadtHi1616.aslc
> +++ b/Silicon/Hisilicon/Hi1616/D05AcpiTables/MadtHi1616.aslc
> @@ -1,9 +1,9 @@
>  /** @file
>  *  Multiple APIC Description Table (MADT)
>  *
> -*  Copyright (c) 2012 - 2014, ARM Limited. All rights reserved.
> -*  Copyright (c) 2015 - 2016, Hisilicon Limited. All rights reserved.
> -*  Copyright (c) 2015 - 2016, Linaro Limited. All rights reserved.
> +*  Copyright (c) 2012 - 2018, ARM Limited. All rights reserved.
> +*  Copyright (c) 2015 - 2018, Hisilicon Limited. All rights reserved.
> +*  Copyright (c) 2015 - 2018, Linaro Limited. All rights reserved.

As mentioned by Ard elsewhere in the series - please only update your
own copyright dates. (I will not point this out through the rest of
the review, but please address throughout for v2.)

>  *
>  *  This program and the accompanying materials
>  *
> @@ -19,34 +19,11 @@
>  *
>  **/
>  
> -
> -#include <IndustryStandard/Acpi.h>
> +#include "Hi1616Platform.h"
>  #include <Library/AcpiLib.h>
>  #include <Library/AcpiNextLib.h>
>  #include <Library/ArmLib.h>
>  #include <Library/PcdLib.h>
> -#include "Hi1616Platform.h"

The above modifications are unnecessary.
- First there is a spurious whitespace deletion.
- Then there is a deletion of an include of an IndustryStandard header
  file that is provably used later in this scope.
- Finally there is a (seemingly) spurious move of a local include
  statement.

I understand the thinking behind the latter two, but I prefer the
clarity of explicitly including <IndustryStandard/Acpi.h> even though
"Hi1616Platform.h" now pulls it in - so please leave the above
unchanged.

> -
> -// Differs from Juno, we have another affinity level beyond cluster and core
> -// 0x20000 is only for socket 0
> -#define PLATFORM_GET_MPID_TA(ClusterId, CoreId)   (0x10000 | ((ClusterId) << 
> 8) | (CoreId))
> -#define PLATFORM_GET_MPID_TB(ClusterId, CoreId)   (0x30000 | ((ClusterId) << 
> 8) | (CoreId))
> -#define PLATFORM_GET_MPID_TA_2(ClusterId, CoreId)   (0x50000 | ((ClusterId) 
> << 8) | (CoreId))
> -#define PLATFORM_GET_MPID_TB_2(ClusterId, CoreId)   (0x70000 | ((ClusterId) 
> << 8) | (CoreId))
> -
> -//
> -// Multiple APIC Description Table
> -//
> -#pragma pack (1)
> -
> -typedef struct {
> -  EFI_ACPI_6_1_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER   Header;
> -  EFI_ACPI_6_1_GIC_STRUCTURE                            GicInterfaces[64];
> -  EFI_ACPI_6_1_GIC_DISTRIBUTOR_STRUCTURE                GicDistributor;
> -  EFI_ACPI_6_1_GIC_ITS_STRUCTURE                      GicITS[8];
> -} EFI_ACPI_6_1_MULTIPLE_APIC_DESCRIPTION_TABLE;
> -
> -#pragma pack ()
>  
>  EFI_ACPI_6_1_MULTIPLE_APIC_DESCRIPTION_TABLE Madt = {
>    {
> diff --git a/Silicon/Hisilicon/Hi1616/Pptt/Pptt.c 
> b/Silicon/Hisilicon/Hi1616/Pptt/Pptt.c
> new file mode 100644
> index 0000000..eac4736
> --- /dev/null
> +++ b/Silicon/Hisilicon/Hi1616/Pptt/Pptt.c
> @@ -0,0 +1,447 @@
> +/** @file
> +*
> +*  Copyright (c) 2017, Hisilicon Limited. All rights reserved.
> +*  Copyright (c) 2017, Linaro Limited. All rights reserved.

Should probably say 2018 by now?

> +*
> +*  This program and the accompanying materials
> +*  are licensed and made available under the terms and conditions of the BSD 
> License
> +*  which accompanies this distribution.  The full text of the license may be 
> found at
> +*  http://opensource.org/licenses/bsd-license.php
> +*
> +*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
> +*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR 
> IMPLIED.
> +*
> +*  Based on the files under ArmPlatformPkg/ArmJunoPkg/AcpiTables/

I'm sure it is, but these now reside under
Platform/ARM/JunoPkg/AcpiTables.

> +*
> +**/
> +
> +#include "Pptt.h"
> +
> +EFI_ACPI_TABLE_PROTOCOL       *mAcpiTableProtocol = NULL;
> +EFI_ACPI_SDT_PROTOCOL         *mAcpiSdtProtocol   = NULL;
> +
> +EFI_ACPI_DESCRIPTION_HEADER mPpttHeader =
> +  ARM_ACPI_HEADER (
> +    EFI_ACPI_6_2_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_SIGNATURE,
> +    EFI_ACPI_DESCRIPTION_HEADER,
> +    EFI_ACPI_6_2_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_REVISION
> +  );
> +
> +EFI_ACPI_6_2_PPTT_TYPE2 mPpttSocketType2[PPTT_SOCKET_COMPONENT_NO] =
> +{
> +  {2, sizeof(EFI_ACPI_6_2_PPTT_TYPE2), 0, 0, 0, 0, 0, 0, 0}
> +};
> +
> +EFI_ACPI_6_2_PPTT_TYPE1 mPpttCacheType1[PPTT_CACHE_NO] =
> +{
> +  {1, sizeof(EFI_ACPI_6_2_PPTT_TYPE1), 0, 0, 0, 0, 0, 0, 0, 0},              
>         //L1I 48K 0xC000    CacheAssociativity8Way
> +  {1, sizeof(EFI_ACPI_6_2_PPTT_TYPE1), 0, 0, 0, 0, 0, 0, 0, 0},              
>         //L1D 32k 0x8000    CacheAssociativity8Way
> +  {1, sizeof(EFI_ACPI_6_2_PPTT_TYPE1), 0, 0, 0, 0, 0, 0, 0, 0},              
>         //L2  1M  0x100000  CacheAssociativity8Way
> +  {1, sizeof(EFI_ACPI_6_2_PPTT_TYPE1), 0, 0, 0, 0x1000000, 0x2000, 0x10, 
> 0x0A, 0x80} //L3  16M 0x1000000 CacheAssociativity16Way Linesize-128byte
> +};
> +
> +EFI_STATUS
> +InitCacheInfo(
> +  )
> +{
> +  UINT8                                   Index;
> +  PPTT_TYPE1_ATTRIBUTES                   Type1Attributes;
> +  CSSELR_DATA                             CsselrData;
> +  CCSIDR_DATA                             CcsidrData;
> +
> +  for (Index = 0; Index < PPTT_CACHE_NO - 1; Index++) {
> +    CsselrData.Data = 0;
> +    CcsidrData.Data = 0;
> +    Type1Attributes.Data = 0;
> +
> +    if (Index == 0) { //L1I
> +      CsselrData.Bits.InD = 1;
> +      CsselrData.Bits.Level = 0;
> +      Type1Attributes.Bits.CacheType  = 1;
> +    } else if (Index == 1) {
> +      Type1Attributes.Bits.CacheType  = 0;
> +      CsselrData.Bits.Level = Index -1;
> +    } else {
> +      Type1Attributes.Bits.CacheType  = 2;
> +      CsselrData.Bits.Level = Index -1;
> +    }
> +
> +    CcsidrData.Data = ReadCCSIDR (CsselrData.Data);
> +
> +    if (CcsidrData.Bits.Wa == 1) {
> +      Type1Attributes.Bits.AllocateType  = 1;
> +      if (CcsidrData.Bits.Ra == 1) {
> +        Type1Attributes.Bits.AllocateType++;
> +      }
> +    }
> +
> +    if (CcsidrData.Bits.Wt == 1) {
> +      Type1Attributes.Bits.WritePolicy  = 1;
> +    }
> +    DEBUG ((DEBUG_INFO, "[Acpi PPTT] Level = %x!CcsidrData = 
> %x!\n",CsselrData.Bits.Level, CcsidrData.Data));
> +
> +    mPpttCacheType1[Index].NumberOfSets = (UINT16)CcsidrData.Bits.NumSets + 
> 1;
> +    mPpttCacheType1[Index].Associativity = 
> (UINT16)CcsidrData.Bits.Associativity + 1;
> +    mPpttCacheType1[Index].LineSize = (UINT16)( 1 << 
> (CcsidrData.Bits.LineSize + 4));
> +    mPpttCacheType1[Index].Size = mPpttCacheType1[Index].LineSize *      \
> +                                  mPpttCacheType1[Index].Associativity * \
> +                                  mPpttCacheType1[Index].NumberOfSets;
> +    mPpttCacheType1[Index].Attributes = Type1Attributes.Data;
> +    mPpttCacheType1[Index].Flags = PPTT_TYPE1_SIZE_VALID | 
> PPTT_TYPE1_NUMBER_OF_SETS_VALID | PPTT_TYPE1_ASSOCIATIVITY_VALID |       \
> +                                   PPTT_TYPE1_ALLOCATION_TYPE_VALID | 
> PPTT_TYPE1_CACHE_TYPE_VALID | PPTT_TYPE1_WRITE_POLICY_VALID | \
> +                                   PPTT_TYPE1_LINE_SIZE_VALID;
> +
> +  }
> +
> +  // L3
> +  mPpttCacheType1[3].Flags = PPTT_TYPE1_SIZE_VALID | 
> PPTT_TYPE1_NUMBER_OF_SETS_VALID | PPTT_TYPE1_ASSOCIATIVITY_VALID |       \
> +                             PPTT_TYPE1_ALLOCATION_TYPE_VALID | 
> PPTT_TYPE1_CACHE_TYPE_VALID | PPTT_TYPE1_WRITE_POLICY_VALID | \
> +                             PPTT_TYPE1_LINE_SIZE_VALID;
> +
> +  return EFI_SUCCESS;
> +}
> +
> +EFI_STATUS
> +AddCoreTable(
> +  IN VOID     *PpttTable,
> +  IN OUT VOID *PpttTableLengthRemain,
> +  IN UINT32   Flags,
> +  IN UINT32   Parent,
> +  IN UINT32   ResourceNo,
> +  IN UINT32   ProcessorId
> +  )
> +{
> +  EFI_ACPI_6_2_PPTT_TYPE0 *PpttType0;
> +  EFI_ACPI_6_2_PPTT_TYPE1 *PpttType1;
> +  UINT32                  *PrivateResource;
> +  UINT8                   Index;
> +
> +  if (*(UINT32 *)PpttTableLengthRemain < sizeof(EFI_ACPI_6_2_PPTT_TYPE0) + 
> ResourceNo * 4) {
> +    return EFI_OUT_OF_RESOURCES;
> +  }
> +  PpttType0 = (EFI_ACPI_6_2_PPTT_TYPE0 *)(PpttTable + 
> ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length);
> +  PpttType0->Type = 0;
> +  PpttType0->Flags = Flags;
> +  PpttType0->Parent= Parent;
> +  PpttType0->AcpiProcessorId = ProcessorId;
> +  PpttType0->PrivateResourceNo = ResourceNo;
> +  PpttType0->Length = sizeof(EFI_ACPI_6_2_PPTT_TYPE0) + ResourceNo * 4;
> +
> +  *(UINT32 *)PpttTableLengthRemain  -= (UINTN)PpttType0->Length;
> +  ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length += PpttType0->Length;
> +  PrivateResource = (UINT32 *)((UINT8 *)PpttType0 + 
> sizeof(EFI_ACPI_6_2_PPTT_TYPE0));
> +
> +  // Add cache type structure
> +  for (Index = 0; Index < ResourceNo; Index++, PrivateResource++) {
> +    if (*(UINT32 *)PpttTableLengthRemain < sizeof(EFI_ACPI_6_2_PPTT_TYPE1)) {
> +      return EFI_OUT_OF_RESOURCES;
> +    }
> +    *PrivateResource = ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length;
> +    PpttType1 = (EFI_ACPI_6_2_PPTT_TYPE1 *)(PpttTable + 
> ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length);
> +    gBS->CopyMem (PpttType1, &mPpttCacheType1[Index], 
> sizeof(EFI_ACPI_6_2_PPTT_TYPE1));
> +    *(UINT32 *)PpttTableLengthRemain -= PpttType1->Length;
> +    ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length += PpttType1->Length;
> +  }
> +
> +  return EFI_SUCCESS;
> +}
> +
> +EFI_STATUS
> +AddClusterTable (
> +  IN VOID     *PpttTable,
> +  IN OUT VOID *PpttTableLengthRemain,
> +  IN UINT32   Flags,
> +  IN UINT32   Parent,
> +  IN UINT32   ResourceNo
> +  )
> +{
> +  EFI_ACPI_6_2_PPTT_TYPE0 *PpttType0;
> +  EFI_ACPI_6_2_PPTT_TYPE1 *PpttType1;
> +  UINT32                  *PrivateResource;
> +
> +  if ((*(UINT32 *)PpttTableLengthRemain) < (sizeof(EFI_ACPI_6_2_PPTT_TYPE0) 
> + ResourceNo * 4)) {
> +    return EFI_OUT_OF_RESOURCES;
> +  }
> +  PpttType0 = (EFI_ACPI_6_2_PPTT_TYPE0 *)(PpttTable + 
> ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length);
> +  PpttType0->Type = 0;
> +  PpttType0->Flags = Flags;
> +  PpttType0->Parent= Parent;
> +  PpttType0->PrivateResourceNo = ResourceNo;
> +  PpttType0->Length = sizeof(EFI_ACPI_6_2_PPTT_TYPE0) + ResourceNo * 4;
> +
> +  *(UINT32 *)PpttTableLengthRemain -= PpttType0->Length;
> +  ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length += PpttType0->Length;
> +  PrivateResource = (UINT32 *)((UINT8 *)PpttType0 + 
> sizeof(EFI_ACPI_6_2_PPTT_TYPE0));
> +
> +  // Add cache type structure
> +  if (*(UINT32 *)PpttTableLengthRemain < sizeof(EFI_ACPI_6_2_PPTT_TYPE1)) {
> +    return EFI_OUT_OF_RESOURCES;
> +  }
> +  *PrivateResource = ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length;
> +  PpttType1 = (EFI_ACPI_6_2_PPTT_TYPE1 *)(PpttTable + 
> ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length);
> +  gBS->CopyMem (PpttType1, &mPpttCacheType1[2], 
> sizeof(EFI_ACPI_6_2_PPTT_TYPE1));
> +  *(UINT32 *)PpttTableLengthRemain -= PpttType1->Length;
> +  ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length += PpttType1->Length;
> +
> +  return EFI_SUCCESS;
> +}
> +
> +EFI_STATUS
> +AddScclTable(
> +  IN VOID     *PpttTable,
> +  IN OUT VOID *PpttTableLengthRemain,
> +  IN UINT32   Flags,
> +  IN UINT32   Parent,
> +  IN UINT32   ResourceNo
> +  )
> +{
> +  EFI_ACPI_6_2_PPTT_TYPE0 *PpttType0;
> +  EFI_ACPI_6_2_PPTT_TYPE1 *PpttType1;
> +  UINT32                  *PrivateResource;
> +
> +  if (*(UINT32 *)PpttTableLengthRemain < sizeof(EFI_ACPI_6_2_PPTT_TYPE0) + 
> ResourceNo * 4) {
> +    return EFI_OUT_OF_RESOURCES;
> +  }
> +  PpttType0 = (EFI_ACPI_6_2_PPTT_TYPE0 *)(PpttTable + 
> ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length);
> +  PpttType0->Type = 0;
> +  PpttType0->Flags = Flags;
> +  PpttType0->Parent= Parent;
> +  PpttType0->PrivateResourceNo = ResourceNo;
> +  PpttType0->Length = sizeof(EFI_ACPI_6_2_PPTT_TYPE0) + ResourceNo * 4;
> +
> +  *(UINT32 *)PpttTableLengthRemain -= PpttType0->Length;
> +  ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length += PpttType0->Length;
> +  PrivateResource = (UINT32 *)((UINT8 *)PpttType0 + 
> sizeof(EFI_ACPI_6_2_PPTT_TYPE0));
> +
> +  // Add cache type structure
> +  if (*(UINT32 *)PpttTableLengthRemain < sizeof(EFI_ACPI_6_2_PPTT_TYPE1)) {
> +    return EFI_OUT_OF_RESOURCES;
> +  }
> +  *PrivateResource = ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length;
> +  PpttType1 = (EFI_ACPI_6_2_PPTT_TYPE1 *)(PpttTable + 
> ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length);
> +  gBS->CopyMem (PpttType1, &mPpttCacheType1[3], 
> sizeof(EFI_ACPI_6_2_PPTT_TYPE1));
> +  *(UINT32 *)PpttTableLengthRemain -= PpttType1->Length;
> +  ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length += PpttType1->Length;
> +
> +  return EFI_SUCCESS;
> +}
> +
> +EFI_STATUS
> +AddSocketTable(
> +  IN VOID     *PpttTable,
> +  IN OUT VOID *PpttTableLengthRemain,
> +  IN UINT32   Flags,
> +  IN UINT32   Parent,
> +  IN UINT32   ResourceNo
> +  )
> +{
> +  EFI_ACPI_6_2_PPTT_TYPE0 *PpttType0;
> +  EFI_ACPI_6_2_PPTT_TYPE2 *PpttType2;
> +  UINT32         *PrivateResource;
> +  UINT8           Index;
> +
> +  if (*(UINT32 *)PpttTableLengthRemain < sizeof(EFI_ACPI_6_2_PPTT_TYPE0)) {
> +    return EFI_OUT_OF_RESOURCES;
> +  }
> +  PpttType0 = (EFI_ACPI_6_2_PPTT_TYPE0 *)(PpttTable + 
> ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length);
> +  PpttType0->Type = 0;
> +  PpttType0->Flags = Flags;
> +  PpttType0->Parent= Parent;
> +  PpttType0->PrivateResourceNo = ResourceNo;
> +  PpttType0->Length = sizeof(EFI_ACPI_6_2_PPTT_TYPE0) + ResourceNo * 4;
> +  ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length += PpttType0->Length;
> +
> +  *(UINT32 *)PpttTableLengthRemain -= PpttType0->Length;
> +  if (*(UINT32 *)PpttTableLengthRemain < ResourceNo * 4) {
> +    return EFI_OUT_OF_RESOURCES;
> +  }
> +  PrivateResource = (UINT32 *)((UINT8 *)PpttType0 + 
> sizeof(EFI_ACPI_6_2_PPTT_TYPE0));
> +  DEBUG ((DEBUG_INFO, "[Acpi PPTT]  sizeof(EFI_ACPI_6_2_PPTT_TYPE2) = 
> %x!\n", sizeof(EFI_ACPI_6_2_PPTT_TYPE2)));
> +
> +  for (Index = 0; Index < ResourceNo; Index++, PrivateResource++) {
> +    if (*(UINT32 *)PpttTableLengthRemain < sizeof(EFI_ACPI_6_2_PPTT_TYPE2)) {
> +      return EFI_OUT_OF_RESOURCES;
> +    }
> +    *PrivateResource = ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length;
> +    PpttType2 = (EFI_ACPI_6_2_PPTT_TYPE2 *)(PpttTable + 
> ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length);
> +    gBS->CopyMem (PpttType2, &mPpttSocketType2[Index], 
> sizeof(EFI_ACPI_6_2_PPTT_TYPE2));
> +    *(UINT32 *)PpttTableLengthRemain -= PpttType2->Length;
> +    ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length += PpttType2->Length;
> +  }
> +
> +  return EFI_SUCCESS;
> +}
> +
> +VOID
> +GetApic(
> +EFI_ACPI_6_1_MULTIPLE_APIC_DESCRIPTION_TABLE  *ApicTable,
> +VOID                                          *PpttTable,
> +IN UINT32                                     PpttTableLengthRemain,
> +IN UINT32                                     Index1
> +)
> +{
> +  UINT32 IndexSocket, IndexSccl, IndexCulster, IndexCore;
> +  UINT32 SocketOffset, ScclOffset, ClusterOffset;
> +  UINT32 Parent = 0;
> +  UINT32 Flags = 0;
> +  UINT32 ResourceNo = 0;
> +  //Get APIC data
> +  for (IndexSocket = 0; IndexSocket < PPTT_SOCKET_NO; IndexSocket++) {
> +    SocketOffset = 0;
> +    for (IndexSccl = 0; IndexSccl < PPTT_DIE_NO; IndexSccl++) {
> +      ScclOffset = 0;
> +      for (IndexCulster = 0; IndexCulster < PPTT_CULSTER_NO; IndexCulster++) 
> {
> +        ClusterOffset = 0;
> +        for (IndexCore = 0; IndexCore < PPTT_CORE_NO; IndexCore++) {
> +
> +          DEBUG ((DEBUG_INFO, "[Acpi PPTT] IndexSocket:%x, IndexSccl:%x, 
> IndexCulster:%x, IndexCore:%x!\n",IndexSocket,IndexSccl 
> ,IndexCulster,IndexCore));
> +
> +          if (ApicTable->GicInterfaces[Index1].AcpiProcessorUid != Index1) {
> +            //This processor is unusable
> +            DEBUG ((DEBUG_ERROR, "[Acpi PPTT] Please check MADT table for 
> UID!\n"));
> +            return;
> +          }
> +          if ((ApicTable->GicInterfaces[Index1].Flags & BIT0) == 0 ) {
> +            //This processor is unusable
> +            Index1++;
> +            continue;
> +          }
> +
> +          if (SocketOffset == 0) {
> +          //Add socket0 for type0 table
> +            ResourceNo = PPTT_SOCKET_COMPONENT_NO;
> +            SocketOffset = ((EFI_ACPI_DESCRIPTION_HEADER 
> *)PpttTable)->Length;
> +            Parent = 0;
> +            Flags = PPTT_TYPE0_SOCKET_FLAG;
> +            AddSocketTable (PpttTable, &PpttTableLengthRemain, Flags, 
> Parent, ResourceNo);
> +          }
> +          if (ScclOffset == 0) {
> +          //Add socket0die0 for type0 table
> +            ResourceNo = 1;
> +            ScclOffset =  ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length 
> ;
> +            Parent = SocketOffset;
> +            Flags = PPTT_TYPE0_DIE_FLAG;
> +            AddScclTable (PpttTable, &PpttTableLengthRemain, Flags, Parent, 
> ResourceNo);
> +          }
> +          if (ClusterOffset == 0) {
> +          //Add socket0die0ClusterId for type0 table
> +            ResourceNo = 1;
> +            ClusterOffset =  ((EFI_ACPI_DESCRIPTION_HEADER 
> *)PpttTable)->Length ;
> +            Parent = ScclOffset;
> +            Flags = PPTT_TYPE0_CLUSTER_FLAG;
> +            AddClusterTable (PpttTable, &PpttTableLengthRemain, Flags, 
> Parent, ResourceNo);
> +          }
> +
> +          //Add socket0die0ClusterIdCoreId for type0 table
> +          ResourceNo = 2;
> +          Parent = ClusterOffset;
> +          Flags = PPTT_TYPE0_CORE_FLAG;
> +          AddCoreTable (PpttTable, &PpttTableLengthRemain, Flags, Parent, 
> ResourceNo, Index1);
> +
> +          Index1++;
> +        }
> +      }
> +    }
> +  }
> +  return ;
> +}
> +
> +VOID
> +PpttSetAcpiTable(
> +  IN EFI_EVENT    Event,
> +  IN VOID         *Context
> +  )
> +{
> +  UINTN                                         AcpiTableHandle;
> +  EFI_STATUS                                    Status;
> +  UINT8                                         Checksum;
> +  EFI_ACPI_SDT_HEADER                           *Table;
> +  EFI_ACPI_6_1_MULTIPLE_APIC_DESCRIPTION_TABLE  *ApicTable;
> +  EFI_ACPI_TABLE_VERSION                        TableVersion;
> +  VOID                                          *PpttTable;
> +  UINTN                                         TableKey;
> +  UINT32                                        Index0, Index1;
> +  UINT32                                        PpttTableLengthRemain = 0;
> +
> +  gBS->CloseEvent (Event);
> +
> +  InitCacheInfo ();
> +
> +  PpttTable = AllocateZeroPool (PPTT_TABLE_MAX_LEN);
> +  gBS->CopyMem (PpttTable, &mPpttHeader, 
> sizeof(EFI_ACPI_DESCRIPTION_HEADER));
> +  PpttTableLengthRemain = PPTT_TABLE_MAX_LEN - 
> sizeof(EFI_ACPI_DESCRIPTION_HEADER);
> +
> +  for (Index0 = 0; Index0 < EFI_ACPI_MAX_NUM_TABLES; Index0++) {
> +    Status = mAcpiSdtProtocol->GetAcpiTable (Index0, &Table, &TableVersion, 
> &TableKey);
> +    if (EFI_ERROR (Status)) {
> +      break;
> +    }
> +    //Find APIC table
> +    if (Table->Signature != 
> EFI_ACPI_6_1_MULTIPLE_APIC_DESCRIPTION_TABLE_SIGNATURE) {
> +      continue;
> +    }
> +
> +    ApicTable = (EFI_ACPI_6_1_MULTIPLE_APIC_DESCRIPTION_TABLE *)Table;
> +    Index1 = 0;
> +
> +    GetApic (ApicTable, PpttTable, PpttTableLengthRemain, Index1);
> +    break;
> +  }
> +
> +  if (EFI_ERROR (Status)) {
> +    DEBUG ((DEBUG_ERROR,"%a:%d Status=%r\n",__FILE__,__LINE__,Status));
> +  }
> +
> +  Checksum = CalculateCheckSum8 ((UINT8 *)(PpttTable), 
> ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length);
> +  ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Checksum= Checksum;
> +
> +  AcpiTableHandle = 0;
> +  Status = mAcpiTableProtocol->InstallAcpiTable (mAcpiTableProtocol, 
> PpttTable, ((EFI_ACPI_DESCRIPTION_HEADER *)PpttTable)->Length, 
> &AcpiTableHandle);
> +
> +  FreePool (PpttTable);
> +  return ;
> +}
> +
> +EFI_STATUS
> +InitPpttTable(
> +  )
> +{
> +  EFI_STATUS                Status;
> +  EFI_EVENT                 ReadyToBootEvent;
> +
> +  Status = EfiCreateEventReadyToBootEx (
> +            TPL_NOTIFY,
> +            PpttSetAcpiTable,
> +            NULL,
> +            &ReadyToBootEvent
> +            );
> +  ASSERT_EFI_ERROR (Status);
> +
> +  return Status;
> +}
> +
> +EFI_STATUS
> +EFIAPI
> +PpttEntryPoint(
> +  IN EFI_HANDLE         ImageHandle,
> +  IN EFI_SYSTEM_TABLE   *SystemTable
> +  )
> +{
> +  EFI_STATUS              Status;
> +
> +  Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL,  
> (VOID**)&mAcpiTableProtocol);
> +  if (EFI_ERROR (Status)) {
> +    return EFI_ABORTED;
> +  }
> +
> +  Status = gBS->LocateProtocol (&gEfiAcpiSdtProtocolGuid, NULL, (VOID**) 
> &mAcpiSdtProtocol);
> +  if (EFI_ERROR (Status)) {
> +    return EFI_ABORTED;
> +  }
> +
> +  InitPpttTable ();
> +
> +  DEBUG ((DEBUG_INFO, "Acpi Pptt init done.\n"));
> +
> +  return EFI_SUCCESS;
> +}
> diff --git a/Silicon/Hisilicon/Hi1616/Pptt/Pptt.h 
> b/Silicon/Hisilicon/Hi1616/Pptt/Pptt.h
> new file mode 100644
> index 0000000..5dc635f
> --- /dev/null
> +++ b/Silicon/Hisilicon/Hi1616/Pptt/Pptt.h
> @@ -0,0 +1,142 @@
> +/** @file
> +*
> +*  Copyright (c) 2017, Hisilicon Limited. All rights reserved.
> +*  Copyright (c) 2017, Linaro Limited. All rights reserved.

2018?

> +*
> +*  This program and the accompanying materials
> +*  are licensed and made available under the terms and conditions of the BSD 
> License
> +*  which accompanies this distribution.  The full text of the license may be 
> found at
> +*  http://opensource.org/licenses/bsd-license.php
> +*
> +*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
> +*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR 
> IMPLIED.
> +*
> +*  Based on the files under ArmPlatformPkg/ArmJunoPkg/AcpiTables/

Platform/ARM/JunoPkg/AcpiTables.

> +*
> +**/
> +
> +#ifndef _PPTT_H_
> +#define _PPTT_H_
> +
> +#include <IndustryStandard/Acpi.h>
> +#include <Library/ArmLib/ArmLibPrivate.h>
> +#include <Library/BaseMemoryLib.h>
> +#include <Library/DebugLib.h>
> +#include <Library/MemoryAllocationLib.h>
> +#include <Library/UefiBootServicesTableLib.h>
> +#include <Library/UefiLib.h>
> +#include <Protocol/AcpiSystemDescriptionTable.h>
> +#include <Protocol/AcpiTable.h>
> +#include "../D05AcpiTables/Hi1616Platform.h"
> +
> +///
> +/// "PPTT"  Processor Properties Topology Table
> +///
> +#define EFI_ACPI_6_2_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_SIGNATURE  
> SIGNATURE_32('P', 'P', 'T', 'T')
> +#define EFI_ACPI_6_2_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_REVISION   0x01
> +#define EFI_ACPI_MAX_NUM_TABLES                                     20
> +
> +#define PPTT_TABLE_MAX_LEN         0x6000
> +#define PPTT_SOCKET_NO             0x2
> +#define PPTT_DIE_NO                0x2
> +#define PPTT_CULSTER_NO            0x4
> +#define PPTT_CORE_NO               0x4
> +#define PPTT_SOCKET_COMPONENT_NO   0x1
> +#define PPTT_CACHE_NO              0x4
> +
> +#define PPTT_TYPE0_PHYSICAL_PKG        BIT0
> +#define PPTT_TYPE0_PROCESSORID_VALID   BIT1
> +#define PPTT_TYPE0_SOCKET_FLAG         PPTT_TYPE0_PHYSICAL_PKG
> +#define PPTT_TYPE0_DIE_FLAG            PPTT_TYPE0_PHYSICAL_PKG
> +#define PPTT_TYPE0_CLUSTER_FLAG        0
> +#define PPTT_TYPE0_CORE_FLAG           PPTT_TYPE0_PROCESSORID_VALID
> +
> +#define PPTT_TYPE1_SIZE_VALID             BIT0
> +#define PPTT_TYPE1_NUMBER_OF_SETS_VALID   BIT1
> +#define PPTT_TYPE1_ASSOCIATIVITY_VALID    BIT2
> +#define PPTT_TYPE1_ALLOCATION_TYPE_VALID  BIT3
> +#define PPTT_TYPE1_CACHE_TYPE_VALID       BIT4
> +#define PPTT_TYPE1_WRITE_POLICY_VALID     BIT5
> +#define PPTT_TYPE1_LINE_SIZE_VALID        BIT6
> +
> +typedef union {
> +  struct {
> +    UINT32    InD           :1;
> +    UINT32    Level         :3;
> +    UINT32    Reserved      :28;
> +  } Bits;
> +  UINT32 Data;
> +}CSSELR_DATA;
> +
> +typedef union {
> +  struct {
> +    UINT32    LineSize           :3;
> +    UINT32    Associativity      :10;
> +    UINT32    NumSets            :15;
> +    UINT32    Wa                 :1;
> +    UINT32    Ra                 :1;
> +    UINT32    Wb                 :1;
> +    UINT32    Wt                 :1;
> +  } Bits;
> +  UINT32 Data;
> +}CCSIDR_DATA;
> +
> +//
> +// Processor Hierarchy Node Structure
> +//
> +typedef struct {
> +  UINT8                   Type;
> +  UINT8                   Length;
> +  UINT16                  Reserved;
> +  UINT32                  Flags;
> +  UINT32                  Parent;
> +  UINT32                  AcpiProcessorId;
> +  UINT32                  PrivateResourceNo;
> +} EFI_ACPI_6_2_PPTT_TYPE0;
> +
> +//
> +// Cache Configuration
> +//
> +typedef union {
> +  struct {
> +    UINT8    AllocateType   :2;
> +    UINT8    CacheType      :2;
> +    UINT8    WritePolicy    :1;
> +    UINT8    Reserved       :3;
> +  } Bits;
> +  UINT8 Data;
> +}PPTT_TYPE1_ATTRIBUTES;
> +
> +//
> +// Cache Type Structure
> +//
> +typedef struct {
> +  UINT8                   Type;
> +  UINT8                   Length;
> +  UINT16                  Reserved;
> +  UINT32                  Flags;
> +  UINT32                  NextLevelOfCache;
> +  UINT32                  Size;
> +  UINT32                  NumberOfSets;
> +  UINT8                   Associativity;
> +  UINT8                   Attributes;
> +  UINT16                  LineSize;
> +} EFI_ACPI_6_2_PPTT_TYPE1;
> +
> +//
> +// ID Structure
> +//
> +typedef struct {
> +  UINT8                   Type;
> +  UINT8                   Length;
> +  UINT16                  Reserved;
> +  UINT32                  VendorId;
> +  UINT64                  Level1Id;
> +  UINT64                  Level2Id;
> +  UINT16                  MajorRev;
> +  UINT16                  MinorRev;
> +  UINT16                  SpinRev;
> +} EFI_ACPI_6_2_PPTT_TYPE2;
> +
> +#endif    // _PPTT_H_
> +
> diff --git a/Silicon/Hisilicon/Hi1616/Pptt/Pptt.inf 
> b/Silicon/Hisilicon/Hi1616/Pptt/Pptt.inf
> new file mode 100644
> index 0000000..ce26b97
> --- /dev/null
> +++ b/Silicon/Hisilicon/Hi1616/Pptt/Pptt.inf
> @@ -0,0 +1,55 @@
> +/** @file
> +*
> +*  Copyright (c) 2017, Hisilicon Limited. All rights reserved.
> +*  Copyright (c) 2017, Linaro Limited. All rights reserved.

2018?

> +*
> +*  This program and the accompanying materials
> +*  are licensed and made available under the terms and conditions of the BSD 
> License
> +*  which accompanies this distribution.  The full text of the license may be 
> found at
> +*  http://opensource.org/licenses/bsd-license.php
> +*
> +*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
> +*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR 
> IMPLIED.
> +*
> +*  Based on the files under ArmPlatformPkg/ArmJunoPkg/AcpiTables/

Platform/ARM/JunoPkg/AcpiTables.

> +*
> +**/
> +
> +[Defines]
> +  INF_VERSION                    = 0x00010005

A new .inf should probably claim 0x00010020.

> +  BASE_NAME                      = AcpiPptt
> +  FILE_GUID                      = AAB14F90-DC2E-4f33-A594-C7894A5B412D
> +  MODULE_TYPE                    = DXE_DRIVER
> +  VERSION_STRING                 = 1.0
> +  ENTRY_POINT                    = PpttEntryPoint
> +
> +[Sources.common]
> +  Pptt.c
> +  Pptt.h
> +
> +[Packages]
> +  MdePkg/MdePkg.dec
> +  edk2-platforms/Silicon/Hisilicon/HisiPkg.dec

This is incorrect - path resolution should be using PACKAGES_PATH and
refer only to Silicon/Hisilicon/HisiPkg.dec.

> +  ArmPkg/ArmPkg.dec

Please sort these alphabetically.

> +
> +[LibraryClasses]
> +  ArmLib
> +  HobLib
> +  UefiRuntimeServicesTableLib
> +  UefiDriverEntryPoint
> +  BaseMemoryLib
> +  DebugLib

Please sort these alphabetically.

> +
> +[Guids]
> +
> +
> +[Protocols]
> +  gEfiAcpiTableProtocolGuid                     # PROTOCOL ALWAYS_CONSUMED
> +  gEfiAcpiSdtProtocolGuid

Please sort these alphabetically (where there is not a more logical
grouping available).

/
    Leif

> +
> +[Pcd]
> +
> +
> +[Depex]
> +  gEfiAcpiTableProtocolGuid AND gEfiAcpiSdtProtocolGuid
> +
> -- 
> 1.9.1
> 
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