IntelFspWrapperPkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / IntelFspWrapperPkg / Library / BaseFspPlatformInfoLibSample / FspPlatformInfoLibSample.c

/** @file\r
  Sample to provide FSP platform information related function.\r
\r
  Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <PiPei.h>\r
#include <Library/PcdLib.h>\r
\r
/**\r
  Get current boot mode.\r
\r
  @note At this point, memory is ready, PeiServices are NOT available to use.\r
  Platform can get some data from chipset register.\r
\r
  @return BootMode current boot mode.\r
**/\r
UINT32\r
EFIAPI\r
GetBootMode (\r
  VOID\r
  )\r
{\r
  return BOOT_WITH_FULL_CONFIGURATION;\r
}\r
\r
/**\r
  Get NVS buffer parameter.\r
\r
  @note At this point, memory is NOT ready, PeiServices are available to use.\r
\r
  @return NvsBuffer NVS buffer parameter.\r
**/\r
VOID *\r
EFIAPI\r
GetNvsBuffer (\r
  VOID\r
  )\r
{\r
  return NULL;\r
}\r
\r
/**\r
  Get UPD region size.\r
\r
  @note At this point, memory is NOT ready, PeiServices are available to use.\r
\r
  @return UPD region size.\r
**/\r
UINT32\r
EFIAPI\r
GetUpdRegionSize (\r
  VOID\r
  )\r
{\r
  return 0;\r
}\r
\r
/**\r
  This function overrides the default configurations in the UPD data region.\r
\r
  @note At this point, memory is NOT ready, PeiServices are available to use.\r
\r
  @param[in,out] FspUpdRgnPtr   A pointer to the UPD data region data strcture.\r
\r
  @return  FspUpdRgnPtr   A pointer to the UPD data region data strcture.\r
**/\r
VOID *\r
EFIAPI\r
UpdateFspUpdConfigs (\r
  IN OUT VOID        *FspUpdRgnPtr\r
  )\r
{\r
  return NULL;\r
}\r
\r
/**\r
  Get BootLoader Tolum size.\r
\r
  @note At this point, memory is NOT ready, PeiServices are available to use.\r
\r
  @return BootLoader Tolum size.\r
**/\r
UINT32\r
EFIAPI\r
GetBootLoaderTolumSize (\r
  VOID\r
  )\r
{\r
  return 0;\r
}\r
\r
/**\r
  Get TempRamExit parameter.\r
\r
  @note At this point, memory is ready, PeiServices are available to use.\r
\r
  @return TempRamExit parameter.\r
**/\r
VOID *\r
EFIAPI\r
GetTempRamExitParam (\r
  VOID\r
  )\r
{\r
  return NULL;\r
}\r
\r
/**\r
  Get FspSiliconInit parameter.\r
\r
  @note At this point, memory is ready, PeiServices are available to use.\r
\r
  @return FspSiliconInit parameter.\r
**/\r
VOID *\r
EFIAPI\r
GetFspSiliconInitParam (\r
  VOID\r
  )\r
{\r
  return NULL;\r
}\r
\r
/**\r
  Get S3 PEI memory information.\r
\r
  @note At this point, memory is ready, and PeiServices are available to use.\r
  Platform can get some data from SMRAM directly.\r
\r
  @param[out] S3PeiMemSize  PEI memory size to be installed in S3 phase.\r
  @param[out] S3PeiMemBase  PEI memory base to be installed in S3 phase.\r
\r
  @return If S3 PEI memory information is got successfully.\r
**/\r
EFI_STATUS\r
EFIAPI\r
GetS3MemoryInfo (\r
  OUT UINT64               *S3PeiMemSize,\r
  OUT EFI_PHYSICAL_ADDRESS *S3PeiMemBase\r
  )\r
{\r
  return EFI_UNSUPPORTED;\r
}\r
\r
/**\r
  Get stack information according to boot mode.\r
\r
  @note If BootMode is BOOT_ON_S3_RESUME or BOOT_ON_FLASH_UPDATE,\r
  this stack should be in some reserved memory space.\r
\r
  @note If FspInitDone is TRUE, memory is ready, but no PeiServices there.\r
  Platform can get some data from SMRAM directly.\r
  @note If FspInitDone is FALSE, memory is NOT ready, but PeiServices are available to use.\r
  Platform can get some data from variable via VariablePpi.\r
\r
  @param[in]  BootMode     Current boot mode.\r
  @param[in]  FspInitDone  If FspInit is called.\r
  @param[out] StackSize    Stack size to be used in PEI phase.\r
  @param[out] StackBase    Stack base to be used in PEI phase.\r
\r
  @return If Stack information is got successfully.\r
**/\r
EFI_STATUS\r
EFIAPI\r
GetStackInfo (\r
  IN  UINT32               BootMode,\r
  IN  BOOLEAN              FspInitDone,\r
  OUT UINT64               *StackSize,\r
  OUT EFI_PHYSICAL_ADDRESS *StackBase\r
  )\r
{\r
  *StackBase = PcdGet32 (PcdTemporaryRamBase);\r
  *StackSize = PcdGet32 (PcdTemporaryRamSize);\r
\r
  if (BootMode == BOOT_ON_S3_RESUME) {\r
    if (!FspInitDone) {\r
    } else {\r
    }\r
  } else if (BootMode == BOOT_ON_FLASH_UPDATE) {\r
    if (!FspInitDone) {\r
    } else {\r
    }\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r