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      1 /** @file
      2 *
      3 *  Copyright (c) 2016, Hisilicon Limited. All rights reserved.
      4 *  Copyright (c) 2016, Linaro Limited. All rights reserved.
      5 *
      6 *  This program and the accompanying materials
      7 *  are licensed and made available under the terms and conditions of the BSD License
      8 *  which accompanies this distribution.  The full text of the license may be found at
      9 *  http://opensource.org/licenses/bsd-license.php
     10 *
     11 *  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     12 *  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     13 *
     14 **/
     15 
     16 #include <Uefi.h>
     17 #include <PiPei.h>
     18 #include <Library/BaseLib.h>
     19 #include <Library/BaseMemoryLib.h>
     20 #include <Library/DebugLib.h>
     21 #include <Library/PcdLib.h>
     22 #include <Library/HobLib.h>
     23 #include <Library/PrintLib.h>
     24 #include <Library/SerialPortLib.h>
     25 
     26 #include <Guid/VersionInfoHobGuid.h>
     27 
     28 struct MonthDescription {
     29   CONST CHAR8* MonthStr;
     30   UINT32    MonthInt;
     31 } gMonthDescription[] = {
     32   { "Jan", 1 },
     33   { "Feb", 2 },
     34   { "Mar", 3 },
     35   { "Apr", 4 },
     36   { "May", 5 },
     37   { "Jun", 6 },
     38   { "Jul", 7 },
     39   { "Aug", 8 },
     40   { "Sep", 9 },
     41   { "Oct", 10 },
     42   { "Nov", 11 },
     43   { "Dec", 12 },
     44   { "???", 1 },  // Use 1 as default month
     45 };
     46 
     47 VOID GetReleaseTime (EFI_TIME *Time)
     48 {
     49   CONST CHAR8      *ReleaseDate = __DATE__;
     50   CONST CHAR8      *ReleaseTime = __TIME__;
     51   UINTN            i;
     52 
     53   for(i=0;i<12;i++)
     54   {
     55     if(0 == AsciiStrnCmp(ReleaseDate, gMonthDescription[i].MonthStr, 3))
     56     {
     57       break;
     58     }
     59   }
     60   Time->Month = gMonthDescription[i].MonthInt;
     61   Time->Day = AsciiStrDecimalToUintn(ReleaseDate+4);
     62   Time->Year = AsciiStrDecimalToUintn(ReleaseDate+7);
     63   Time->Hour = AsciiStrDecimalToUintn(ReleaseTime);
     64   Time->Minute = AsciiStrDecimalToUintn(ReleaseTime+3);
     65   Time->Second = AsciiStrDecimalToUintn(ReleaseTime+6);
     66 
     67   return;
     68 }
     69 
     70 EFI_STATUS
     71 EFIAPI
     72 VersionInfoEntry (
     73   IN       EFI_PEI_FILE_HANDLE  FileHandle,
     74   IN CONST EFI_PEI_SERVICES     **PeiServices
     75   )
     76 {
     77   CHAR8 Buffer[100];
     78   UINTN CharCount;
     79   VERSION_INFO *VersionInfo;
     80   EFI_TIME Time = {0};
     81   CONST CHAR16 *ReleaseString =
     82     (CHAR16 *) FixedPcdGetPtr (PcdFirmwareVersionString);
     83 
     84   GetReleaseTime (&Time);
     85 
     86   CharCount = AsciiSPrint (
     87     Buffer,
     88     sizeof (Buffer),
     89     "\n\rBoot firmware (version %s built at %t)\n\r\n\r",
     90     ReleaseString,
     91     &Time
     92     );
     93   SerialPortWrite ((UINT8 *) Buffer, CharCount);
     94 
     95   VersionInfo = BuildGuidHob (&gVersionInfoHobGuid,
     96                       sizeof (VERSION_INFO) -
     97                       sizeof (VersionInfo->String) +
     98                       StrSize (ReleaseString));
     99   if (VersionInfo == NULL) {
    100     DEBUG ((EFI_D_ERROR, "[%a]:[%d] Build HOB failed!\n", __FILE__, __LINE__));
    101     return EFI_OUT_OF_RESOURCES;
    102   }
    103 
    104   CopyMem (&VersionInfo->BuildTime, &Time, sizeof (EFI_TIME));
    105   CopyMem (VersionInfo->String, ReleaseString, StrSize (ReleaseString));
    106 
    107   return EFI_SUCCESS;
    108 }
    109