/**
  SMBIOS type 1.

  Copyright (c) 2008 - 2016 Intel Corporation.  All rights reserved.
  This software and associated documentation (if any) is furnished
  under a license and may only be used or copied in accordance
  with the terms of the license. Except as permitted by such
  license, no part of this software or documentation may be
  reproduced, stored in a retrieval system, or transmitted in any
  form or by any means without the express written consent of
  Intel Corporation.

**/


#include "SmbiosBasic.h"

/**
  This function makes boot time changes to the contents of the
  SystemManufacturer (Type 1).

  @retval EFI_SUCCESS                All parameters were valid.
  @retval EFI_UNSUPPORTED            Unexpected RecordType value.
  @retval EFI_INVALID_PARAMETER      Invalid parameter was found.

**/
EFI_STATUS
EFIAPI
SystemManufacturerFunction(
  IN  EFI_SMBIOS_PROTOCOL   *Smbios
  )
{
  EFI_STATUS                      Status; 
  CHAR8                           *ManufacturerStr;
  CHAR8                           *ProductNameStr;
  CHAR8                           *VersionStr;
  CHAR8                           *SerialNumberStr;
  CHAR8                           *SKUNumberStr;
  CHAR8                           *FamilyStr;
  UINTN                           ManufacturerStrLen;
  UINTN                           ProductNameStrLen;
  UINTN                           VersionStrLen;
  UINTN                           SerialNumberStrLen;
  UINTN                           SKUNumberStrLen;
  UINTN                           FamilyStrLen;
  UINTN                           TableSize;
  SMBIOS_TABLE_TYPE1              *PcdSmbiosRecord;
  SMBIOS_TABLE_TYPE1              *SmbiosRecord;
  EFI_SMBIOS_HANDLE               SmbiosHandle;
  UINTN                           StringOffset;

  PcdSmbiosRecord = PcdGetPtr (PcdSmbiosType1SystemInformation);

  ManufacturerStr = PcdGetPtr (PcdSmbiosType1StringManufacturer);
  ManufacturerStrLen = AsciiStrLen (ManufacturerStr);
  ASSERT (ManufacturerStrLen <= SMBIOS_STRING_MAX_LENGTH);

  ProductNameStr = PcdGetPtr (PcdSmbiosType1StringProductName);
  ProductNameStrLen = AsciiStrLen (ProductNameStr);
  ASSERT (ProductNameStrLen <= SMBIOS_STRING_MAX_LENGTH);

  VersionStr = PcdGetPtr (PcdSmbiosType1StringVersion);
  VersionStrLen = AsciiStrLen (VersionStr);
  ASSERT (VersionStrLen <= SMBIOS_STRING_MAX_LENGTH);

  SerialNumberStr = PcdGetPtr (PcdSmbiosType1StringSerialNumber);
  SerialNumberStrLen = AsciiStrLen (SerialNumberStr);
  ASSERT (SerialNumberStrLen <= SMBIOS_STRING_MAX_LENGTH);

  SKUNumberStr = PcdGetPtr (PcdSmbiosType1StringSKUNumber);
  SKUNumberStrLen = AsciiStrLen (SKUNumberStr);
  ASSERT (SKUNumberStrLen <= SMBIOS_STRING_MAX_LENGTH);

  FamilyStr = PcdGetPtr (PcdSmbiosType1StringFamily);
  FamilyStrLen = AsciiStrLen (FamilyStr);
  ASSERT (FamilyStrLen <= SMBIOS_STRING_MAX_LENGTH);

  //
  // Create table size based on string lengths
  //
  TableSize = sizeof (SMBIOS_TABLE_TYPE1) + ManufacturerStrLen + 1 + ProductNameStrLen + 1 + VersionStrLen + 1 + SerialNumberStrLen + 1 + SKUNumberStrLen + 1 + FamilyStrLen + 1 + 1;
  SmbiosRecord = AllocateZeroPool (TableSize);
  if (SmbiosRecord == NULL) {
    ASSERT_EFI_ERROR (EFI_OUT_OF_RESOURCES);
    return EFI_OUT_OF_RESOURCES;
  }

  CopyMem (SmbiosRecord, PcdSmbiosRecord, sizeof(SMBIOS_TABLE_TYPE1));

  //
  // Fill in Type 1 fields
  //

  SmbiosRecord->Hdr.Type = SMBIOS_TYPE_SYSTEM_INFORMATION;
  SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE1);
  SmbiosRecord->Hdr.Handle = 0;

  //
  // Add strings to bottom of data block
  //
  StringOffset = SmbiosRecord->Hdr.Length;
  CopyMem ((UINT8 *)SmbiosRecord + StringOffset, ManufacturerStr, ManufacturerStrLen);
  StringOffset += ManufacturerStrLen + 1;
  CopyMem ((UINT8 *)SmbiosRecord + StringOffset, ProductNameStr, ProductNameStrLen);
  StringOffset += ProductNameStrLen + 1;
  CopyMem ((UINT8 *)SmbiosRecord + StringOffset, VersionStr, VersionStrLen);
  StringOffset += VersionStrLen + 1;
  CopyMem ((UINT8 *)SmbiosRecord + StringOffset, SerialNumberStr, SerialNumberStrLen);
  StringOffset += SerialNumberStrLen + 1;
  CopyMem ((UINT8 *)SmbiosRecord + StringOffset, SKUNumberStr, SKUNumberStrLen);
  StringOffset += SKUNumberStrLen + 1;
  CopyMem ((UINT8 *)SmbiosRecord + StringOffset, FamilyStr, FamilyStrLen);

  //
  // Now we have got the full smbios record, call smbios protocol to add this record.
  //
  Status = AddSmbiosRecord (Smbios, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord);

  FreePool(SmbiosRecord);
  return Status;
}