Vlv2TbltDevicePkg/FspSupport/Library/SecFspPlatformSecLibVlv2/FspPlatformSecLibVlv2.c

   1 /** @file
   2
   3   Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
   4   This program and the accompanying materials
   5   are licensed and made available under the terms and conditions of the BSD License
   6   which accompanies this distribution.  The full text of the license may be found at
   7   http://opensource.org/licenses/bsd-license.php.
   8
   9   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 **/
  13
  14 #include <PiPei.h>
  15
  16 #include <Ppi/SecPlatformInformation.h>
  17 #include <Ppi/SecPerformance.h>
  18 #include <Ppi/TemporaryRamSupport.h>
  19
  20 #include <Library/LocalApicLib.h>
  21
  22 /**
  23   This interface conveys state information out of the Security (SEC) phase into PEI.
  24
  25   @param  PeiServices               Pointer to the PEI Services Table.
  26   @param  StructureSize             Pointer to the variable describing size of the input buffer.
  27   @param  PlatformInformationRecord Pointer to the EFI_SEC_PLATFORM_INFORMATION_RECORD.
  28
  29   @retval EFI_SUCCESS               The data was successfully returned.
  30   @retval EFI_BUFFER_TOO_SMALL      The buffer was too small.
  31
  32 **/
  33 EFI_STATUS
  34 EFIAPI
  35 SecPlatformInformation (
  36   IN CONST EFI_PEI_SERVICES                     **PeiServices,
  37   IN OUT   UINT64                               *StructureSize,
  38      OUT   EFI_SEC_PLATFORM_INFORMATION_RECORD  *PlatformInformationRecord
  39   );
  40
  41 /**
  42   This interface conveys performance information out of the Security (SEC) phase into PEI.
  43
  44   This service is published by the SEC phase. The SEC phase handoff has an optional
  45   EFI_PEI_PPI_DESCRIPTOR list as its final argument when control is passed from SEC into the
  46   PEI Foundation. As such, if the platform supports collecting performance data in SEC,
  47   this information is encapsulated into the data structure abstracted by this service.
  48   This information is collected for the boot-strap processor (BSP) on IA-32.
  49
  50   @param[in]  PeiServices  The pointer to the PEI Services Table.
  51   @param[in]  This         The pointer to this instance of the PEI_SEC_PERFORMANCE_PPI.
  52   @param[out] Performance  The pointer to performance data collected in SEC phase.
  53
  54   @retval EFI_SUCCESS      The data was successfully returned.
  55
  56 **/
  57 EFI_STATUS
  58 EFIAPI
  59 SecGetPerformance (
  60   IN CONST EFI_PEI_SERVICES          **PeiServices,
  61   IN       PEI_SEC_PERFORMANCE_PPI   *This,
  62   OUT      FIRMWARE_SEC_PERFORMANCE  *Performance
  63   );
  64
  65 /**
  66   This service of the TEMPORARY_RAM_SUPPORT_PPI that migrates temporary RAM into
  67   permanent memory.
  68
  69   @param PeiServices            Pointer to the PEI Services Table.
  70   @param TemporaryMemoryBase    Source Address in temporary memory from which the SEC or PEIM will copy the
  71                                 Temporary RAM contents.
  72   @param PermanentMemoryBase    Destination Address in permanent memory into which the SEC or PEIM will copy the
  73                                 Temporary RAM contents.
  74   @param CopySize               Amount of memory to migrate from temporary to permanent memory.
  75
  76   @retval EFI_SUCCESS           The data was successfully returned.
  77   @retval EFI_INVALID_PARAMETER PermanentMemoryBase + CopySize > TemporaryMemoryBase when
  78                                 TemporaryMemoryBase > PermanentMemoryBase.
  79
  80 **/
  81 EFI_STATUS
  82 EFIAPI
  83 SecTemporaryRamSupport (
  84   IN CONST EFI_PEI_SERVICES   **PeiServices,
  85   IN EFI_PHYSICAL_ADDRESS     TemporaryMemoryBase,
  86   IN EFI_PHYSICAL_ADDRESS     PermanentMemoryBase,
  87   IN UINTN                    CopySize
  88   );
  89
  90 EFI_SEC_PLATFORM_INFORMATION_PPI  mSecPlatformInformationPpi = {
  91   SecPlatformInformation
  92 };
  93
  94 PEI_SEC_PERFORMANCE_PPI  mSecPerformancePpi = {
  95   SecGetPerformance
  96 };
  97
  98 EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI gSecTemporaryRamSupportPpi = {
  99   SecTemporaryRamSupport
 100 };
 101
 102 EFI_PEI_PPI_DESCRIPTOR  mPeiSecPlatformPpi[] = {
 103   {
 104     EFI_PEI_PPI_DESCRIPTOR_PPI,
 105     &gEfiSecPlatformInformationPpiGuid,
 106     &mSecPlatformInformationPpi
 107   },
 108   {
 109     EFI_PEI_PPI_DESCRIPTOR_PPI,
 110     &gPeiSecPerformancePpiGuid,
 111     &mSecPerformancePpi
 112   },
 113   {
 114     EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,
 115     &gEfiTemporaryRamSupportPpiGuid,
 116     &gSecTemporaryRamSupportPpi
 117   },
 118 };
 119
 120 /**
 121   A developer supplied function to perform platform specific operations.
 122
 123   It's a developer supplied function to perform any operations appropriate to a
 124   given platform. It's invoked just before passing control to PEI core by SEC
 125   core. Platform developer may modify the SecCoreData passed to PEI Core.
 126   It returns a platform specific PPI list that platform wishes to pass to PEI core.
 127   The Generic SEC core module will merge this list to join the final list passed to
 128   PEI core.
 129
 130   @param  SecCoreData           The same parameter as passing to PEI core. It
 131                                 could be overridden by this function.
 132
 133   @return The platform specific PPI list to be passed to PEI core or
 134           NULL if there is no need of such platform specific PPI list.
 135
 136 **/
 137 EFI_PEI_PPI_DESCRIPTOR *
 138 EFIAPI
 139 SecPlatformMain (
 140   IN OUT   EFI_SEC_PEI_HAND_OFF        *SecCoreData
 141   )
 142 {
 143   EFI_PEI_PPI_DESCRIPTOR      *PpiList;
 144
 145   InitializeApicTimer (0, (UINT32) -1, TRUE, 5);
 146
 147   PpiList = &mPeiSecPlatformPpi[0];
 148
 149   return PpiList;
 150 }