/** @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.

**/

#include <PiPei.h>
#include <Library/BaseLib.h>
#include <Guid/OsBootOptionGuid.h>
#include <Library/HobLib.h>
#include <Library/DebugLib.h>
#include <Library/BootloaderCommonLib.h>
#include <Library/BootOptionLib.h>

CHAR8  *mOsBootDeviceName[] = { "SATA", "SD", "MMC", "UFS", "SPI", "USB", "NVME", "MEM" };
CHAR8  *mOsFsTypeName[]     = { "FAT", "EXT2", "AUTO", "RAW" };

/**
  Get boot option list

  This function will get OS boot option from HOB.

  @retval HOB data         Return HOB data if it is found.
  @retval NULL             Return NULL if it is NOT found.
**/
OS_BOOT_OPTION_LIST *
EFIAPI
GetBootOptionList (
  VOID
  )
{
  EFI_HOB_GUID_TYPE             *GuidHob;

  GuidHob = GetNextGuidHob (&gOsBootOptionGuid, GetHobListPtr());
  if (GuidHob == NULL) {
    return NULL;
  }

  return (OS_BOOT_OPTION_LIST *) GET_GUID_HOB_DATA (GuidHob);
}


/**
  Get file system string by file type

  @param[in]  FsType       File system type

  @retval String           Return a string when file systme is found.
  @retval NULL             Return NULL if file system is not found.
**/
CHAR8 *
EFIAPI
GetFsTypeString (
  IN OS_FILE_SYSTEM_TYPE   FsType
  )
{
  if (FsType > EnumFileSystemMax) {
    return NULL;
  }
  return mOsFsTypeName[FsType];
}

/**
  Get boot device name string by boot device type

  @param[in]  DevType      Boot device type

  @retval String           Return a string when boot device type is found.
  @retval NULL             Return NULL if boot device type is not found.
**/
CHAR8 *
EFIAPI
GetBootDeviceNameString (
  OS_BOOT_MEDIUM_TYPE      DevType
  )
{
  if (DevType >= OsBootDeviceMax) {
    return NULL;
  }
  return mOsBootDeviceName[DevType];
}