Re: [PATCH 09/10] MdeModulePkg: Add ResetSystemPei PEIM

["Zeng, Star" <star.zeng@intel.com>]

On 2018/2/2 14:45, Ruiyu Ni wrote:
> This driver implements Reset2, ResetFilter and ResetHandler PPIs.
> 
> Cc: Liming Gao <liming.gao@intel.com>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Cc: Star Zeng <star.zeng@intel.com>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>

Should ResetSystemPei be added in MdeModulePkg.dsc for build coverage?

Same comment has been provided to ResetSystemRuntimeDxe.
Should be (*RecursionDepthPointer < MAX_RESET_NOTIFY_DEPTH) instead of 
(*RecursionDepthPointer <= MAX_RESET_NOTIFY_DEPTH)>


Thanks,
Star

> ---
>   MdeModulePkg/MdeModulePkg.dec                      |   4 +
>   .../Universal/ResetSystemPei/ResetSystem.c         | 355 +++++++++++++++++++++
>   .../Universal/ResetSystemPei/ResetSystem.h         | 129 ++++++++
>   .../Universal/ResetSystemPei/ResetSystemPei.inf    |  62 ++++
>   .../Universal/ResetSystemPei/ResetSystemPei.uni    |  20 ++
>   .../ResetSystemPei/ResetSystemPeiExtra.uni         |  20 ++
>   6 files changed, 590 insertions(+)
>   create mode 100644 MdeModulePkg/Universal/ResetSystemPei/ResetSystem.c
>   create mode 100644 MdeModulePkg/Universal/ResetSystemPei/ResetSystem.h
>   create mode 100644 MdeModulePkg/Universal/ResetSystemPei/ResetSystemPei.inf
>   create mode 100644 MdeModulePkg/Universal/ResetSystemPei/ResetSystemPei.uni
>   create mode 100644 MdeModulePkg/Universal/ResetSystemPei/ResetSystemPeiExtra.uni
> 
> diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
> index 1cc9bc8ea1..1b971d599f 100644
> --- a/MdeModulePkg/MdeModulePkg.dec
> +++ b/MdeModulePkg/MdeModulePkg.dec
> @@ -1419,6 +1419,10 @@ [PcdsFixedAtBuild, PcdsPatchableInModule]
>     # @Prompt CapsuleMax value in capsule report variable.
>     gEfiMdeModulePkgTokenSpaceGuid.PcdCapsuleMax|0xFFFF|UINT16|0x00000107
>   
> +  ## Indicates the allowable maximum number of Reset Filters or Reset Handlers in PEI phase.
> +  # @Prompt Maximum Number of PEI Reset Filters or Reset Handlers.
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdMaximumPeiResetNotifies|0x10|UINT32|0x00000109
> +
>   [PcdsPatchableInModule, PcdsDynamic, PcdsDynamicEx]
>     ## This PCD defines the Console output row. The default value is 25 according to UEFI spec.
>     #  This PCD could be set to 0 then console output would be at max column and max row.
> diff --git a/MdeModulePkg/Universal/ResetSystemPei/ResetSystem.c b/MdeModulePkg/Universal/ResetSystemPei/ResetSystem.c
> new file mode 100644
> index 0000000000..720593de6a
> --- /dev/null
> +++ b/MdeModulePkg/Universal/ResetSystemPei/ResetSystem.c
> @@ -0,0 +1,355 @@
> +/** @file
> +  Implementation of Reset2, ResetFilter and ResetHandler PPIs.
> +
> +  Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
> +
> +  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.
> +
> +**/
> +
> +#include "ResetSystem.h"
> +
> +GLOBAL_REMOVE_IF_UNREFERENCED CHAR16 *mResetTypeStr[] = {
> +  L"Cold", L"Warm", L"Shutdown", L"PlatformSpecific"
> +};
> +
> +EFI_PEI_RESET2_PPI mPpiReset2 = {
> +  ResetSystem2
> +};
> +
> +EFI_GUID                *mProcessingOrder[] = {
> +  &gEdkiiPlatformSpecificResetFilterPpiGuid,
> +  &gEdkiiPlatformSpecificResetHandlerPpiGuid
> +};
> +
> +RESET_FILTER_INSTANCE   mResetFilter = {
> +  {
> +    RegisterResetNotify,
> +    UnregisterResetNotify
> +  },
> +  &gEdkiiPlatformSpecificResetFilterPpiGuid
> +};
> +
> +RESET_FILTER_INSTANCE   mResetHandler = {
> +  {
> +    RegisterResetNotify,
> +    UnregisterResetNotify
> +  },
> +  &gEdkiiPlatformSpecificResetHandlerPpiGuid
> +};
> +
> +EFI_PEI_PPI_DESCRIPTOR mPpiListReset[] = {
> +  {
> +    EFI_PEI_PPI_DESCRIPTOR_PPI,
> +    &gEfiPeiReset2PpiGuid,
> +    &mPpiReset2
> +  },
> +  {
> +    EFI_PEI_PPI_DESCRIPTOR_PPI,
> +    &gEdkiiPlatformSpecificResetFilterPpiGuid,
> +    &mResetFilter.ResetFilter
> +  },
> +  {
> +    EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,
> +    &gEdkiiPlatformSpecificResetHandlerPpiGuid,
> +    &mResetHandler.ResetFilter
> +  }
> +};
> +
> +/**
> +  Register a notification function to be called when ResetSystem() is called.
> +
> +  The RegisterResetNotify() function registers a notification function that is called when
> +  ResetSystem()is called and prior to completing the reset of the platform.
> +  The registered functions must not perform a platform reset themselves. These
> +  notifications are intended only for the notification of components which may need some
> +  special-purpose maintenance prior to the platform resetting.
> +  The list of registered reset notification functions are processed if ResetSystem()is called
> +  before ExitBootServices(). The list of registered reset notification functions is ignored if
> +  ResetSystem()is called after ExitBootServices().
> +
> +  @param[in]  This              A pointer to the EFI_RESET_NOTIFICATION_PROTOCOL instance.
> +  @param[in]  ResetFunction     Points to the function to be called when a ResetSystem() is executed.
> +
> +  @retval EFI_SUCCESS           The reset notification function was successfully registered.
> +  @retval EFI_INVALID_PARAMETER ResetFunction is NULL.
> +  @retval EFI_OUT_OF_RESOURCES  There are not enough resources available to register the reset notification function.
> +  @retval EFI_ALREADY_STARTED   The reset notification function specified by ResetFunction has already been registered.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +RegisterResetNotify (
> +  IN EDKII_PLATFORM_SPECIFIC_RESET_FILTER_PPI *This,
> +  IN EFI_RESET_SYSTEM                         ResetFunction
> +  )
> +{
> +  RESET_FILTER_INSTANCE                       *ResetFilter;
> +  RESET_FILTER_LIST                           *List;
> +  VOID                                        *Hob;
> +  UINTN                                       Index;
> +
> +  if (ResetFunction == NULL) {
> +    return EFI_INVALID_PARAMETER;
> +  }
> +
> +  ResetFilter = (RESET_FILTER_INSTANCE *) This;
> +  ASSERT (CompareGuid (ResetFilter->Guid, &gEdkiiPlatformSpecificResetFilterPpiGuid) ||
> +          CompareGuid (ResetFilter->Guid, &gEdkiiPlatformSpecificResetHandlerPpiGuid)
> +          );
> +
> +  Hob = GetFirstGuidHob (ResetFilter->Guid);
> +  if (Hob == NULL) {
> +    //
> +    // When the GUIDed HOB doesn't exist, create it.
> +    //
> +    List = (RESET_FILTER_LIST *)BuildGuidHob (
> +                                  ResetFilter->Guid,
> +                                  sizeof (RESET_FILTER_LIST) + sizeof (EFI_RESET_SYSTEM) * PcdGet32 (PcdMaximumPeiResetNotifies)
> +                                  );
> +    if (List == NULL) {
> +      return EFI_OUT_OF_RESOURCES;
> +    }
> +    List->Signature = RESET_FILTER_LIST_SIGNATURE;
> +    List->Count     = PcdGet32 (PcdMaximumPeiResetNotifies);
> +    ZeroMem (List->ResetFilters, sizeof (EFI_RESET_SYSTEM) * List->Count);
> +    List->ResetFilters[0] = ResetFunction;
> +    return EFI_SUCCESS;
> +  } else {
> +    List = (RESET_FILTER_LIST *)GET_GUID_HOB_DATA (Hob);
> +    ASSERT (List->Signature == RESET_FILTER_LIST_SIGNATURE);
> +    //
> +    // Firstly check whether the ResetFunction is already registerred.
> +    //
> +    for (Index = 0; Index < List->Count; Index++) {
> +      if (List->ResetFilters[Index] == ResetFunction) {
> +        break;
> +      }
> +    }
> +    if (Index != List->Count) {
> +      return EFI_ALREADY_STARTED;
> +    }
> +
> +    //
> +    // Secondly find the first free slot.
> +    //
> +    for (Index = 0; Index < List->Count; Index++) {
> +      if (List->ResetFilters[Index] == NULL) {
> +        break;
> +      }
> +    }
> +
> +    if (Index == List->Count) {
> +      return EFI_OUT_OF_RESOURCES;
> +    }
> +    List->ResetFilters[Index] = ResetFunction;
> +    return EFI_SUCCESS;
> +  }
> +}
> +
> +/**
> +  Unregister a notification function.
> +
> +  The UnregisterResetNotify() function removes the previously registered
> +  notification using RegisterResetNotify().
> +
> +  @param[in]  This              A pointer to the EFI_RESET_NOTIFICATION_PROTOCOL instance.
> +  @param[in]  ResetFunction     The pointer to the ResetFunction being unregistered.
> +
> +  @retval EFI_SUCCESS           The reset notification function was unregistered.
> +  @retval EFI_INVALID_PARAMETER ResetFunction is NULL.
> +  @retval EFI_INVALID_PARAMETER The reset notification function specified by ResetFunction was not previously
> +                                registered using RegisterResetNotify().
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +UnregisterResetNotify (
> +  IN EDKII_PLATFORM_SPECIFIC_RESET_FILTER_PPI *This,
> +  IN EFI_RESET_SYSTEM                         ResetFunction
> +  )
> +{
> +
> +  RESET_FILTER_INSTANCE                       *ResetFilter;
> +  RESET_FILTER_LIST                           *List;
> +  VOID                                        *Hob;
> +  UINTN                                       Index;
> +
> +  if (ResetFunction == NULL) {
> +    return EFI_INVALID_PARAMETER;
> +  }
> +
> +  ResetFilter = (RESET_FILTER_INSTANCE *)This;
> +  ASSERT (CompareGuid (ResetFilter->Guid, &gEdkiiPlatformSpecificResetFilterPpiGuid) ||
> +    CompareGuid (ResetFilter->Guid, &gEdkiiPlatformSpecificResetHandlerPpiGuid)
> +  );
> +
> +  Hob = GetFirstGuidHob (ResetFilter->Guid);
> +  if (Hob == NULL) {
> +    return EFI_INVALID_PARAMETER;
> +  }
> +
> +  List = (RESET_FILTER_LIST *)GET_GUID_HOB_DATA (Hob);
> +  ASSERT (List->Signature == RESET_FILTER_LIST_SIGNATURE);
> +  for (Index = 0; Index < List->Count; Index++) {
> +    if (List->ResetFilters[Index] == ResetFunction) {
> +      break;
> +    }
> +  }
> +
> +  if (Index == List->Count) {
> +    return EFI_INVALID_PARAMETER;
> +  }
> +
> +  List->ResetFilters[Index] = NULL;
> +  return EFI_SUCCESS;
> +}
> +
> +
> +/**
> +  The PEIM's entry point.
> +
> +  It initializes the Reset2, ResetFilter and ResetHandler PPIs.
> +
> +  @param[in] FileHandle  Handle of the file being invoked.
> +  @param[in] PeiServices Describes the list of possible PEI Services.
> +
> +  @retval EFI_SUCCESS         The entry point is executed successfully.
> +  @retval EFI_ALREADY_STARTED The Reset2 PPI was already installed.
> +  @retval others              Status code returned from PeiServicesInstallPpi().
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +InitializeResetSystem (
> +  IN EFI_PEI_FILE_HANDLE     FileHandle,
> +  IN CONST EFI_PEI_SERVICES  **PeiServices
> +  )
> +{
> +  EFI_STATUS  Status;
> +  VOID        *Ppi;
> +
> +  Status = PeiServicesLocatePpi (&gEfiPeiReset2PpiGuid, 0, NULL, (VOID **)&Ppi);
> +  if (Status != EFI_NOT_FOUND) {
> +    return EFI_ALREADY_STARTED;
> +  }
> +
> +  PeiServicesInstallPpi (mPpiListReset);
> +
> +  return Status;
> +}
> +
> +/**
> +  Resets the entire platform.
> +
> +  @param[in] ResetType          The type of reset to perform.
> +  @param[in] ResetStatus        The status code for the reset.
> +  @param[in] DataSize           The size, in bytes, of ResetData.
> +  @param[in] ResetData          For a ResetType of EfiResetCold, EfiResetWarm, or
> +                                EfiResetShutdown the data buffer starts with a Null-terminated
> +                                string, optionally followed by additional binary data.
> +                                The string is a description that the caller may use to further
> +                                indicate the reason for the system reset. ResetData is only
> +                                valid if ResetStatus is something other than EFI_SUCCESS
> +                                unless the ResetType is EfiResetPlatformSpecific
> +                                where a minimum amount of ResetData is always required.
> +                                For a ResetType of EfiResetPlatformSpecific the data buffer
> +                                also starts with a Null-terminated string that is followed
> +                                by an EFI_GUID that describes the specific type of reset to perform.
> +**/
> +VOID
> +EFIAPI
> +ResetSystem2 (
> +  IN EFI_RESET_TYPE   ResetType,
> +  IN EFI_STATUS       ResetStatus,
> +  IN UINTN            DataSize,
> +  IN VOID             *ResetData OPTIONAL
> +  )
> +{
> +  VOID                *Hob;
> +  UINTN               Index;
> +  RESET_FILTER_LIST   *List;
> +  UINTN               OrderIndex;
> +  UINT8               RecursionDepth;
> +  UINT8               *RecursionDepthPointer;
> +
> +  //
> +  // The recursion depth is stored in GUIDed HOB using gEfiCallerIdGuid.
> +  //
> +  Hob = GetFirstGuidHob (&gEfiCallerIdGuid);
> +  if (Hob == NULL) {
> +    RecursionDepth = 0;
> +    RecursionDepthPointer = BuildGuidDataHob (&gEfiCallerIdGuid, &RecursionDepth, sizeof (RecursionDepth));
> +  } else {
> +    RecursionDepthPointer = (UINT8 *)GET_GUID_HOB_DATA (Hob);
> +  }
> +  //
> +  // Only do REPORT_STATUS_CODE() on first call to ResetSystem()
> +  //
> +  if (*RecursionDepthPointer == 0) {
> +    //
> +    // Indicate reset system runtime service is called.
> +    //
> +    REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_SOFTWARE_EFI_RUNTIME_SERVICE | EFI_SW_RS_PC_RESET_SYSTEM));
> +  }
> +
> +  //
> +  // Increase the call depth
> +  //
> +  (*RecursionDepthPointer)++;
> +  DEBUG ((DEBUG_INFO, "PEI ResetSystem2: Reset call depth = %d.\n", *RecursionDepthPointer));
> +
> +  if (*RecursionDepthPointer <= MAX_RESET_NOTIFY_DEPTH) {
> +    //
> +    // Iteratively call Reset Filters and Reset Handlers.
> +    //
> +    for (OrderIndex = 0; OrderIndex < ARRAY_SIZE (mProcessingOrder); OrderIndex++) {
> +      Hob = GetFirstGuidHob (mProcessingOrder[OrderIndex]);
> +      if (Hob != NULL) {
> +        List = (RESET_FILTER_LIST *)GET_GUID_HOB_DATA (Hob);
> +        ASSERT (List->Signature == RESET_FILTER_LIST_SIGNATURE);
> +
> +        for (Index = 0; Index < List->Count; Index++) {
> +          if (List->ResetFilters[Index] != NULL) {
> +            List->ResetFilters[Index] (ResetType, ResetStatus, DataSize, ResetData);
> +          }
> +        }
> +      }
> +    }
> +  } else {
> +    ASSERT (ResetType < ARRAY_SIZE (mResetTypeStr));
> +    DEBUG ((DEBUG_ERROR, "PEI ResetSystem2: Maximum reset call depth is met. Use the current reset type: %s!\n", mResetTypeStr[ResetType]));
> +  }
> +
> +  switch (ResetType) {
> +  case EfiResetWarm:
> +    ResetWarm ();
> +    break;
> +
> + case EfiResetCold:
> +    ResetCold ();
> +    break;
> +
> +  case EfiResetShutdown:
> +    ResetShutdown ();
> +    return ;
> +
> +  case EfiResetPlatformSpecific:
> +    ResetPlatformSpecific (DataSize, ResetData);
> +    return;
> +
> +  default:
> +    return ;
> +  }
> +
> +  //
> +  // Given we should have reset getting here would be bad
> +  //
> +  ASSERT (FALSE);
> +}
> diff --git a/MdeModulePkg/Universal/ResetSystemPei/ResetSystem.h b/MdeModulePkg/Universal/ResetSystemPei/ResetSystem.h
> new file mode 100644
> index 0000000000..2fcc3592b6
> --- /dev/null
> +++ b/MdeModulePkg/Universal/ResetSystemPei/ResetSystem.h
> @@ -0,0 +1,129 @@
> +/** @file
> +
> +  Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
> +
> +  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.
> +
> +**/
> +
> +#ifndef _RESET_SYSTEM2_H_
> +#define _RESET_SYSTEM2_H_
> +
> +
> +#include <Uefi.h>
> +#include <PiPei.h>
> +
> +#include <Ppi/Reset2.h>
> +#include <Ppi/PlatformSpecificResetFilter.h>
> +#include <Ppi/PlatformSpecificResetHandler.h>
> +
> +#include <Library/BaseLib.h>
> +#include <Library/BaseMemoryLib.h>
> +#include <Library/DebugLib.h>
> +#include <Library/PeiServicesLib.h>
> +#include <Library/HobLib.h>
> +#include <Library/ResetSystemLib.h>
> +#include <Library/ReportStatusCodeLib.h>
> +
> +
> +//
> +// The maximum recurstion depth to ResetSystem() by reset notification handlers
> +//
> +#define MAX_RESET_NOTIFY_DEPTH 10
> +
> +//
> +// Data to put in GUIDed HOB
> +//
> +typedef struct {
> +  UINT32                          Signature;
> +  UINT32                          Count;
> +  EFI_RESET_SYSTEM                ResetFilters[0]; // ResetFilters[PcdGet32 (PcdMaximumResetNotifies)]
> +} RESET_FILTER_LIST;
> +#define RESET_FILTER_LIST_SIGNATURE    SIGNATURE_32('r', 's', 't', 'l')
> +
> +
> +typedef struct {
> +  EDKII_PLATFORM_SPECIFIC_RESET_FILTER_PPI ResetFilter;
> +  EFI_GUID                                 *Guid;
> +} RESET_FILTER_INSTANCE;
> +
> +/**
> +  Resets the entire platform.
> +
> +  @param[in] ResetType          The type of reset to perform.
> +  @param[in] ResetStatus        The status code for the reset.
> +  @param[in] DataSize           The size, in bytes, of ResetData.
> +  @param[in] ResetData          For a ResetType of EfiResetCold, EfiResetWarm, or
> +                                EfiResetShutdown the data buffer starts with a Null-terminated
> +                                string, optionally followed by additional binary data.
> +                                The string is a description that the caller may use to further
> +                                indicate the reason for the system reset. ResetData is only
> +                                valid if ResetStatus is something other than EFI_SUCCESS
> +                                unless the ResetType is EfiResetPlatformSpecific
> +                                where a minimum amount of ResetData is always required.
> +                                For a ResetType of EfiResetPlatformSpecific the data buffer
> +                                also starts with a Null-terminated string that is followed
> +                                by an EFI_GUID that describes the specific type of reset to perform.
> +
> +**/
> +VOID
> +EFIAPI
> +ResetSystem2 (
> +  IN EFI_RESET_TYPE   ResetType,
> +  IN EFI_STATUS       ResetStatus,
> +  IN UINTN            DataSize,
> +  IN VOID             *ResetData OPTIONAL
> +  );
> +/**
> +  Register a notification function to be called when ResetSystem() is called.
> +
> +  The RegisterResetNotify() function registers a notification function that is called when
> +  ResetSystem()is called and prior to completing the reset of the platform.
> +  The registered functions must not perform a platform reset themselves. These
> +  notifications are intended only for the notification of components which may need some
> +  special-purpose maintenance prior to the platform resetting.
> +
> +  @param[in]  This              A pointer to the EDKII_PLATFORM_SPECIFIC_RESET_FILTER_PPI instance.
> +  @param[in]  ResetFunction     Points to the function to be called when a ResetSystem() is executed.
> +
> +  @retval EFI_SUCCESS           The reset notification function was successfully registered.
> +  @retval EFI_INVALID_PARAMETER ResetFunction is NULL.
> +  @retval EFI_OUT_OF_RESOURCES  There are not enough resources available to register the reset notification function.
> +  @retval EFI_ALREADY_STARTED   The reset notification function specified by ResetFunction has already been registered.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +RegisterResetNotify (
> +  IN EDKII_PLATFORM_SPECIFIC_RESET_FILTER_PPI *This,
> +  IN EFI_RESET_SYSTEM                         ResetFunction
> +  );
> +
> +/**
> +  Unregister a notification function.
> +
> +  The UnregisterResetNotify() function removes the previously registered
> +  notification using RegisterResetNotify().
> +
> +  @param[in]  This              A pointer to the EFI_RESET_NOTIFICATION_PROTOCOL instance.
> +  @param[in]  ResetFunction     The pointer to the ResetFunction being unregistered.
> +
> +  @retval EFI_SUCCESS           The reset notification function was unregistered.
> +  @retval EFI_INVALID_PARAMETER ResetFunction is NULL.
> +  @retval EFI_INVALID_PARAMETER The reset notification function specified by ResetFunction was not previously
> +                                registered using RegisterResetNotify().
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +UnregisterResetNotify (
> +  IN EFI_RESET_NOTIFICATION_PROTOCOL *This,
> +  IN EFI_RESET_SYSTEM                ResetFunction
> +  );
> +#endif
> diff --git a/MdeModulePkg/Universal/ResetSystemPei/ResetSystemPei.inf b/MdeModulePkg/Universal/ResetSystemPei/ResetSystemPei.inf
> new file mode 100644
> index 0000000000..38fdd16ceb
> --- /dev/null
> +++ b/MdeModulePkg/Universal/ResetSystemPei/ResetSystemPei.inf
> @@ -0,0 +1,62 @@
> +## @file
> +# This driver implements Reset2, ResetFilter and ResetHandler PPIs.
> +#
> +# Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
> +#
> +# 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.
> +#
> +##
> +
> +[Defines]
> +  INF_VERSION                    = 0x00010005
> +  BASE_NAME                      = ResetSystemPei
> +  MODULE_UNI_FILE                = ResetSystemPei.uni
> +  FILE_GUID                      = 6141E486-7543-4F1A-A579-FF532ED78E75
> +  MODULE_TYPE                    = PEIM
> +  VERSION_STRING                 = 1.0
> +
> +  ENTRY_POINT                    = InitializeResetSystem
> +
> +#
> +# The following information is for reference only and not required by the build tools.
> +#
> +#  VALID_ARCHITECTURES           = IA32 X64
> +#
> +
> +[Sources]
> +  ResetSystem.h
> +  ResetSystem.c
> +
> +[Packages]
> +  MdePkg/MdePkg.dec
> +  MdeModulePkg/MdeModulePkg.dec
> +
> +[LibraryClasses]
> +  BaseLib
> +  BaseMemoryLib
> +  DebugLib
> +  PeiServicesLib
> +  HobLib
> +  PeimEntryPoint
> +  ResetSystemLib
> +  ReportStatusCodeLib
> +
> +[Ppis]
> +  gEfiPeiReset2PpiGuid                       ## PRODUCES
> +  gEdkiiPlatformSpecificResetFilterPpiGuid   ## PRODUCES
> +  gEdkiiPlatformSpecificResetHandlerPpiGuid  ## PRODUCES
> +
> +[Pcd]
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdMaximumPeiResetNotifies
> +
> +[Depex]
> +  TRUE
> +
> +[UserExtensions.TianoCore."ExtraFiles"]
> +  ResetSystemPeiExtra.uni
> diff --git a/MdeModulePkg/Universal/ResetSystemPei/ResetSystemPei.uni b/MdeModulePkg/Universal/ResetSystemPei/ResetSystemPei.uni
> new file mode 100644
> index 0000000000..6d2d650c37
> --- /dev/null
> +++ b/MdeModulePkg/Universal/ResetSystemPei/ResetSystemPei.uni
> @@ -0,0 +1,20 @@
> +// /** @file
> +// This driver implements Reset2, ResetFilter and ResetHandler PPIs.
> +//
> +// Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
> +//
> +// 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.
> +//
> +// **/
> +
> +
> +#string STR_MODULE_ABSTRACT             #language en-US "Implements Reset2, ResetFilter and ResetHandler PPIs"
> +
> +#string STR_MODULE_DESCRIPTION          #language en-US "This driver implements Reset2, ResetFilter and ResetHandler PPIs."
> +
> diff --git a/MdeModulePkg/Universal/ResetSystemPei/ResetSystemPeiExtra.uni b/MdeModulePkg/Universal/ResetSystemPei/ResetSystemPeiExtra.uni
> new file mode 100644
> index 0000000000..2681afc707
> --- /dev/null
> +++ b/MdeModulePkg/Universal/ResetSystemPei/ResetSystemPeiExtra.uni
> @@ -0,0 +1,20 @@
> +// /** @file
> +// ResetSystemPei Localized Strings and Content
> +//
> +// Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
> +//
> +// 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.
> +//
> +// **/
> +
> +#string STR_PROPERTIES_MODULE_NAME
> +#language en-US
> +"Reset System PEIM"
> +
> +
>