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path: root/Platform/Intel/AdvancedFeaturePkg/Smbios/SmbiosBasicDxe/Type1SystemManufacturerFunction.c
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/** @file
  Smbios type 1.

Copyright (c) 2018, 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 that 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 "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;
}