CloverBootloader/rEFIt_UEFI/Platform/smbios.cpp

/**
 smbios.c
 original idea of SMBIOS patching by mackerintel
 implementation for UEFI smbios table patching
 Slice 2011.

 portion copyright Intel
 Copyright (c) 2009 - 2010, 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.

 Module Name:

 SmbiosGen.c
 **/

#include <Platform.h> // Only use angled for Platform, else, xcode project won't compile
#include <Efi.h>

#include "smbios.h"
#include "cpu.h"
#include "platformdata.h"
#include "AcpiPatcher.h"
#include "guid.h"

#ifndef DEBUG_ALL
#define DEBUG_SMBIOS 1
#else
#define DEBUG_SMBIOS DEBUG_ALL
#endif

#if DEBUG_SMBIOS == 0
#define DBG(...)
#else
#define DBG(...) DebugLog(DEBUG_SMBIOS, __VA_ARGS__)
#endif

#define REMAP_SMBIOS_TABLE_GUID { 0xeb9d2d35, 0x2d88, 0x11d3, {0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d } }

#define MAX_OEM_STRING            256

#define ROUND_PAGE(x)                ((((unsigned)(x)) + EFI_PAGE_SIZE - 1) & ~(EFI_PAGE_SIZE - 1))



EFI_GUID            *gTableGuidArray[] = {&gEfiSmbiosTableGuid, &gEfiSmbios3TableGuid};

constexpr LString8 unknown("unknown");
//
// syscl: implement Dell truncate fix
// remap EFI_SMBIOS_TABLE_1 to new guid to fix Dell
// SMBIOS Table 1 truncate issue credit David Passmore
//
EFI_GUID                        gRemapEfiSmbiosTableGuid = REMAP_SMBIOS_TABLE_GUID;

//EFI_PHYSICAL_ADDRESS      *smbiosTable;
void                        *Smbios;  //pointer to SMBIOS data
SMBIOS_TABLE_ENTRY_POINT    *EntryPoint; //SmbiosEps original
SMBIOS_TABLE_ENTRY_POINT    *SmbiosEpsNew; //new SmbiosEps
//for patching
APPLE_SMBIOS_STRUCTURE_POINTER  SmbiosTable;
APPLE_SMBIOS_STRUCTURE_POINTER  newSmbiosTable;
UINT16                      NumberOfRecords;
UINT16                      MaxStructureSize;
UINT8*                      Current; //pointer to the current end of tables
EFI_SMBIOS_TABLE_HEADER     *Record;
EFI_SMBIOS_HANDLE           Handle;
EFI_SMBIOS_TYPE             Type;

UINTN       stringNumber;
UINTN       TableSize;
UINTN       Index, Size, NewSize, MaxSize;
UINT16      CoreCache = 0;
UINT16      TotalCount = 0;
UINT16      L1, L2, L3;
UINT32      MaxMemory = 0;
UINT32      mTotalSystemMemory;
UINT64      gTotalMemory;
UINT16      mHandle3;
UINT16      mHandle16 = 0x1000;
UINT16      mHandle17[MAX_RAM_SLOTS];
UINT16      mHandle19;
UINT16      mMemory17[MAX_RAM_SLOTS];
UINT64      mInstalled[MAX_RAM_SLOTS];
UINT64      mEnabled[MAX_RAM_SLOTS];
BOOLEAN     gMobile;
UINT8       gBootStatus;
BOOLEAN     Once;

MEM_STRUCTURE    gRAM;
//DMI*              gDMI;
UINT8 gRAMCount = 0;


#define MAX_HANDLE        0xFEFF
#define SMBIOS_PTR        SIGNATURE_32('_','S','M','_')
#define MAX_TABLE_SIZE    512

#define smbios_offsetof(s,m) ( (SMBIOS_TABLE_STRING) ((UINT8*)&((s*)0)->m - (UINT8*)0))

SMBIOS_TABLE_STRING    SMBIOS_TABLE_TYPE0_STR_IDX[] = {
  smbios_offsetof(SMBIOS_TABLE_TYPE0, Vendor),
  smbios_offsetof(SMBIOS_TABLE_TYPE0, BiosVersion),
  smbios_offsetof(SMBIOS_TABLE_TYPE0, BiosReleaseDate),
  0x00
}; // offsets of structures that values are strings for type 0 Bios

SMBIOS_TABLE_STRING    SMBIOS_TABLE_TYPE1_STR_IDX[] = {
  smbios_offsetof(SMBIOS_TABLE_TYPE1, Manufacturer),
  smbios_offsetof(SMBIOS_TABLE_TYPE1, ProductName),
  smbios_offsetof(SMBIOS_TABLE_TYPE1, Version),
  smbios_offsetof(SMBIOS_TABLE_TYPE1, SerialNumber),
  smbios_offsetof(SMBIOS_TABLE_TYPE1, SKUNumber),
  smbios_offsetof(SMBIOS_TABLE_TYPE1, Family),
  0x00
}; // offsets of structures that values are strings for type 1 System

SMBIOS_TABLE_STRING    SMBIOS_TABLE_TYPE2_STR_IDX[] = {
  smbios_offsetof(SMBIOS_TABLE_TYPE2, Manufacturer),
  smbios_offsetof(SMBIOS_TABLE_TYPE2, ProductName),
  smbios_offsetof(SMBIOS_TABLE_TYPE2, Version),
  smbios_offsetof(SMBIOS_TABLE_TYPE2, SerialNumber),
  smbios_offsetof(SMBIOS_TABLE_TYPE2, AssetTag),
  smbios_offsetof(SMBIOS_TABLE_TYPE2, LocationInChassis),
  0x00
}; // offsets of structures that values are strings for type 2 BaseBoard

SMBIOS_TABLE_STRING    SMBIOS_TABLE_TYPE3_STR_IDX[] = {
  smbios_offsetof(SMBIOS_TABLE_TYPE3, Manufacturer),
  smbios_offsetof(SMBIOS_TABLE_TYPE3, Version),
  smbios_offsetof(SMBIOS_TABLE_TYPE3, SerialNumber),
  smbios_offsetof(SMBIOS_TABLE_TYPE3, AssetTag),
  0x00
}; // offsets of structures that values are strings for type 3 Chassis

SMBIOS_TABLE_STRING    SMBIOS_TABLE_TYPE4_STR_IDX[] = {
  smbios_offsetof(SMBIOS_TABLE_TYPE4, Socket),
  smbios_offsetof(SMBIOS_TABLE_TYPE4, ProcessorManufacture),
  smbios_offsetof(SMBIOS_TABLE_TYPE4, ProcessorVersion),
  smbios_offsetof(SMBIOS_TABLE_TYPE4, SerialNumber),
  smbios_offsetof(SMBIOS_TABLE_TYPE4, AssetTag),
  smbios_offsetof(SMBIOS_TABLE_TYPE4, PartNumber),
  0x00
}; // offsets of structures that values are strings for type 3 Chassis

/* Functions */

// validate the SMBIOS entry point structure
BOOLEAN IsEntryPointStructureValid (IN SMBIOS_TABLE_ENTRY_POINT *EntryPointStructure)
{
  UINTN                     I;
  UINT8                     Length;
  UINT8                     Checksum = 0;
  UINT8                     *BytePtr;

  if (!EntryPointStructure)
    return FALSE;

  BytePtr = (UINT8*) EntryPointStructure;
  Length = EntryPointStructure->EntryPointLength;

  for (I = 0; I < Length; I++) {
    Checksum = Checksum + (UINT8) BytePtr[I];
  }

  // a valid SMBIOS EPS must have checksum of 0
  return (Checksum == 0);
}

void* FindOemSMBIOSPtr (void)
{
  UINTN      Address;

  // Search 0x0f0000 - 0x0fffff for SMBIOS Ptr
  for (Address = 0xf0000; Address < 0xfffff; Address += 0x10) {
    if (*(UINT32 *)(Address) == SMBIOS_PTR && IsEntryPointStructureValid((SMBIOS_TABLE_ENTRY_POINT*)Address)) {
      return (void *)Address;
    }
  }
  return NULL;
}

void* GetSmbiosTablesFromHob (void)
{
  EFI_PHYSICAL_ADDRESS       *Table;
  EFI_PEI_HOB_POINTERS       GuidHob;

  GuidHob.Raw = (__typeof_am__(GuidHob.Raw))GetFirstGuidHob (&gEfiSmbiosTableGuid);
  if (GuidHob.Raw != NULL) {
    Table = (__typeof__(Table))GET_GUID_HOB_DATA (GuidHob.Guid);
    if (Table != NULL) {
      return (void *)(UINTN)*Table;
    }
  }
  GuidHob.Raw = (__typeof_am__(GuidHob.Raw))GetFirstGuidHob (&gEfiSmbios3TableGuid);
  if (GuidHob.Raw != NULL) {
    Table = (__typeof_am__(Table))GET_GUID_HOB_DATA (GuidHob.Guid);
    if (Table != NULL) {
      return (void *)(UINTN)*Table;
    }
  }
  return NULL;
}

void* GetSmbiosTablesFromConfigTables (void)
{
  EFI_STATUS              Status;
  EFI_PHYSICAL_ADDRESS    *Table;

  Status = EfiGetSystemConfigurationTable (&gEfiSmbiosTableGuid, (void **)&Table);
  if (EFI_ERROR(Status) || Table == NULL) {
    Table = NULL;
    Status = EfiGetSystemConfigurationTable (&gEfiSmbios3TableGuid, (void **)&Table);
    if (EFI_ERROR(Status)) {
      Table = NULL;
    }
  }
  return Table;
}

// This function determines ascii string length ending by space.
// search restricted to MaxLen, for example
// iStrLen("ABC    ", 20) == 3
// if MaxLen=0 then as usual strlen but bugless
UINTN iStrLen(CONST CHAR8* String, UINTN MaxLen)
{
  UINTN  Len = 0;
  CONST CHAR8*  BA;
  if(MaxLen > 0) {
    for (Len=0; Len<MaxLen; Len++) {
      if (String[Len] == 0) {
        break;
      }
    }
    BA = &String[Len - 1];
    while ((Len != 0) && ((*BA == ' ') || (*BA == 0))) {
      BA--; Len--;
    }
  } else {
    BA = String;
    while(*BA){BA++; Len++;}
  }
  return Len;
}


// Internal functions for flat SMBIOS

UINT16 SmbiosTableLength (APPLE_SMBIOS_STRUCTURE_POINTER SmbiosTableN)
{
  CHAR8  *AChar;
  UINT16  Length;

  AChar = (CHAR8 *)(SmbiosTableN.Raw + SmbiosTableN.Hdr->Length);
  while ((*AChar != 0) || (*(AChar + 1) != 0)) {
    AChar ++; //stop at 00 - first 0
  }
  Length = (UINT16)((UINTN)AChar - (UINTN)SmbiosTableN.Raw + 2); //length includes 00
  return Length;
}


EFI_SMBIOS_HANDLE LogSmbiosTable (APPLE_SMBIOS_STRUCTURE_POINTER SmbiosTableN)
{
  UINT16  Length = SmbiosTableLength(SmbiosTableN);
  if (Length > MaxStructureSize) {
    MaxStructureSize = Length;
  }
  CopyMem(Current, SmbiosTableN.Raw, Length);
  Current += Length;
  NumberOfRecords++;
  return SmbiosTableN.Hdr->Handle;
}

// the procedure insert Buffer into SmbiosTable by copy and update Field
// the Buffer restricted by zero or by space
EFI_STATUS UpdateSmbiosString(OUT APPLE_SMBIOS_STRUCTURE_POINTER SmbiosTableN,
                              SMBIOS_TABLE_STRING* Field, const XString8& Buffer)
{
  CHAR8*  AString;
  CHAR8*  C1; //pointers for copy
  CHAR8*  C2;
  UINTN  Length = SmbiosTableLength(SmbiosTableN);
  UINTN  ALength, BLength;
  UINT8  IndexStr = 1;

  if ((SmbiosTableN.Raw == NULL) || Buffer.isEmpty() || !Field) {
    return EFI_NOT_FOUND;
  }
  AString = (CHAR8*)(SmbiosTableN.Raw + SmbiosTableN.Hdr->Length); //first string
  while (IndexStr != *Field) {
    if (*AString) {
      IndexStr++;
    }
    while (*AString != 0) AString++; //skip string at index
    AString++; //next string
    if (*AString == 0) {
      //this is end of the table
      if (*Field == 0) {
        AString[1] = 0; //one more zero
      }
      *Field = IndexStr; //index of the next string that  is empty
      if (IndexStr == 1) {
        AString--; //first string has no leading zero
      }
      break;
    }
  }
  // AString is at place to copy
  ALength = iStrLen(AString, 0);
  BLength = iStrLen(Buffer.c_str(), MAX_OEM_STRING);
  //  DBG("Table type %d field %d\n", SmbiosTable.Hdr->Type, *Field);
  //  DBG("Old string length=%d new length=%d\n", ALength, BLength);
  if (BLength > ALength) {
    //Shift right
    C1 = (CHAR8*)SmbiosTableN.Raw + Length; //old end
    C2 = C1  + BLength - ALength; //new end
    *C2 = 0;
    while (C1 != AString) *(--C2) = *(--C1);

  } else if (BLength < ALength) {
    //Shift left
    C1 = AString + ALength; //old start
    C2 = AString + BLength; //new start
    while (C1 != ((CHAR8*)SmbiosTableN.Raw + Length)) {
      *C2++ = *C1++;
    }
    *C2 = 0;
    *(--C2) = 0; //end of table
  }
  //DBG("UpdateSmbiosString() -> CopyMem %s %lld\n", Buffer.c_str(), BLength);
  CopyMem(AString, Buffer.c_str(), BLength);
  *(AString + BLength) = 0; // not sure there is 0

  return EFI_SUCCESS;
}

APPLE_SMBIOS_STRUCTURE_POINTER GetSmbiosTableFromType (SMBIOS_TABLE_ENTRY_POINT *SmbiosPoint,
                                                       UINT8 SmbiosType, UINTN IndexTable)
{
  APPLE_SMBIOS_STRUCTURE_POINTER SmbiosTableN;
  UINTN                    SmbiosTypeIndex;

  SmbiosTypeIndex = 0;
  SmbiosTableN.Raw = (UINT8 *)((UINTN)SmbiosPoint->TableAddress);
  if (SmbiosTableN.Raw == NULL) {
    return SmbiosTableN;
  }
  while ((SmbiosTypeIndex != IndexTable) || (SmbiosTableN.Hdr->Type != SmbiosType)) {
    if (SmbiosTableN.Hdr->Type == SMBIOS_TYPE_END_OF_TABLE) {
      SmbiosTableN.Raw = NULL;
      return SmbiosTableN;
    }
    if (SmbiosTableN.Hdr->Type == SmbiosType) {
      SmbiosTypeIndex++;
    }
    SmbiosTableN.Raw = (UINT8 *)(SmbiosTableN.Raw + SmbiosTableLength (SmbiosTableN));
  }
  return SmbiosTableN;
}

CHAR8* GetSmbiosString (APPLE_SMBIOS_STRUCTURE_POINTER SmbiosTableN, SMBIOS_TABLE_STRING StringN)
{
  CHAR8      *AString;
  UINT8      Ind;

  Ind = 1;
  AString = (CHAR8 *)(SmbiosTableN.Raw + SmbiosTableN.Hdr->Length); //first string
  while (Ind != StringN) {
    while (*AString != 0) {
      AString ++;
    }
    AString ++; //skip zero ending
    if (*AString == 0) {
      return AString; //this is end of the table
    }
    Ind++;
  }

  return AString; //return pointer to Ascii string
}

void AddSmbiosEndOfTable()
{
  SMBIOS_STRUCTURE* StructurePtr = (SMBIOS_STRUCTURE*)Current;
  StructurePtr->Type    = SMBIOS_TYPE_END_OF_TABLE;
  StructurePtr->Length  = sizeof(SMBIOS_STRUCTURE);
  StructurePtr->Handle  = SMBIOS_TYPE_INACTIVE; //spec 2.7 p.120
  Current += sizeof(SMBIOS_STRUCTURE);
  *Current++ = 0;
  *Current++ = 0; //double 0 at the end
  NumberOfRecords++;
}

void UniquifySmbiosTableStr (APPLE_SMBIOS_STRUCTURE_POINTER SmbiosTableN, SMBIOS_TABLE_STRING* str_idx)
{
  INTN            i, j;
  SMBIOS_TABLE_STRING    cmp_idx;
  SMBIOS_TABLE_STRING    cmp_str;
  SMBIOS_TABLE_STRING    ref_str;

  if (0 == str_idx[0]) return;    // SMBIOS doesn't have string structures, just return;
  for (i = 1; ;i++) {
    cmp_idx = str_idx[i];
    if (0 == cmp_idx) break;
    cmp_str = SmbiosTableN.Raw[cmp_idx];
    if (0 == cmp_str) continue;        // if string is undefine, continue
    for (j = 0; j < i; j++) {
      ref_str = SmbiosTableN.Raw[str_idx[j]];
      if (cmp_str == ref_str) {
        SmbiosTableN.Raw[cmp_idx] = 0;    // pretend the string doesn't exist
        // UpdateSmbiosString(SmbiosTableN, &SmbiosTableN.Raw[cmp_idx], GetSmbiosString(SmbiosTableN, ref_str));
        break;
      }
    }
  }
}

/* Patching Functions */
void PatchTableType0()
{
  // BIOS information
  //
  SmbiosTable = GetSmbiosTableFromType (EntryPoint, EFI_SMBIOS_TYPE_BIOS_INFORMATION, 0);
  if (SmbiosTable.Raw == NULL) {
    //    DBG("SmbiosTable: Type 0 (Bios Information) not found!\n");
    return;
  }
  TableSize = SmbiosTableLength(SmbiosTable);
  ZeroMem((void*)newSmbiosTable.Type0, MAX_TABLE_SIZE);
  CopyMem((void*)newSmbiosTable.Type0, (void*)SmbiosTable.Type0, TableSize); //can't point to union
  /* Real Mac
   BIOS Information (Type 0)
   Raw Data:
   Header and Data:
   00 18 2E 00 01 02 00 00 03 7F 80 98 01 00 00 00
   00 00 C1 02 00 01 FF FF
   Strings:
   Apple Inc.
   MBP81.88Z.0047.B22.1109281426
   09/28/11

   */
  newSmbiosTable.Type0->BiosSegment = 0; //like in Mac
  newSmbiosTable.Type0->SystemBiosMajorRelease = 0;
  newSmbiosTable.Type0->SystemBiosMinorRelease = 1;
  //  newSmbiosTable.Type0->BiosCharacteristics.BiosCharacteristicsNotSupported = 0;
  //  newSmbiosTable.Type0->BIOSCharacteristicsExtensionBytes[1] |= 8; //UefiSpecificationSupported;
  //Slice: ----------------------
  //there is a bug in AppleSMBIOS-42 v1.7
  //to eliminate this I have to zero first byte in the field
  *(UINT8*)&newSmbiosTable.Type0->BiosCharacteristics = 0;
  //dunno about latest version but there is a way to set good characteristics
  //if use patched AppleSMBIOS
  //----------------
  Once = TRUE;

  UniquifySmbiosTableStr(newSmbiosTable, SMBIOS_TABLE_TYPE0_STR_IDX);

  gSettings.VendorName.trim();
  if( gSettings.VendorName.notEmpty() ){
    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type0->Vendor, gSettings.VendorName);
  }
  gSettings.RomVersion.trim();
  if( gSettings.RomVersion.notEmpty() ) {
    if( gSettings.EfiVersion.notEmpty() ) {
      UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type0->BiosVersion, gSettings.EfiVersion);
    } else {
      UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type0->BiosVersion, gSettings.RomVersion);
    }
  }
  gSettings.ReleaseDate.trim();
  if( gSettings.ReleaseDate.notEmpty() ) {
    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type0->BiosReleaseDate, gSettings.ReleaseDate);
  }
  Handle = LogSmbiosTable(newSmbiosTable);
}

void GetTableType1()
{
  CHAR8* s;
  // System Information
  //
  SmbiosTable = GetSmbiosTableFromType (EntryPoint, EFI_SMBIOS_TYPE_SYSTEM_INFORMATION, 0);
  if (SmbiosTable.Raw == NULL) {
    DBG("SmbiosTable: Type 1 (System Information) not found!\n");
    return;
  }

  gSettings.SmUUID = GuidLEToXString8(SmbiosTable.Type1->Uuid);
  s = GetSmbiosString(SmbiosTable, SmbiosTable.Type1->ProductName);
  gSettings.OEMProduct.strncpy(s, iStrLen(s, 64)); //strncpy take care of ending zero

  return;
}


void PatchTableType1()
{
  // System Information
  //
  SmbiosTable = GetSmbiosTableFromType (EntryPoint, EFI_SMBIOS_TYPE_SYSTEM_INFORMATION, 0);
  if (SmbiosTable.Raw == NULL) {
    return;
  }

  //Increase table size
  Size = SmbiosTable.Type1->Hdr.Length; //old size
  TableSize = SmbiosTableLength(SmbiosTable); //including strings
  NewSize = 27; //sizeof(SMBIOS_TABLE_TYPE1);
  ZeroMem((void*)newSmbiosTable.Type1, MAX_TABLE_SIZE);
  CopyMem((void*)newSmbiosTable.Type1, (void*)SmbiosTable.Type1, Size); //copy main table
  CopyMem((CHAR8*)newSmbiosTable.Type1+NewSize, (CHAR8*)SmbiosTable.Type1+Size, TableSize - Size); //copy strings
  newSmbiosTable.Type1->Hdr.Length = (UINT8)NewSize;

  UniquifySmbiosTableStr(newSmbiosTable, SMBIOS_TABLE_TYPE1_STR_IDX);

  newSmbiosTable.Type1->WakeUpType = SystemWakeupTypePowerSwitch;
  Once = TRUE;

  EFI_GUID SmUUID;
  StrToGuidLE(gSettings.SmUUID, &SmUUID);
  if((SmUUID.Data3 & 0xF000) != 0) {
    CopyMem((void*)&newSmbiosTable.Type1->Uuid, (void*)&SmUUID, sizeof(SmUUID));
  }

  gSettings.ManufactureName.trim();
  if( gSettings.ManufactureName.notEmpty() ){
    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type1->Manufacturer, gSettings.ManufactureName);
  }
  gSettings.ProductName.trim();
  if( gSettings.ProductName.notEmpty() ){
    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type1->ProductName, gSettings.ProductName);
  }
  gSettings.VersionNr.trim();
  if(  gSettings.VersionNr.notEmpty() ){
    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type1->Version, gSettings.VersionNr);
  }
  gSettings.SerialNr.trim();
  if( gSettings.SerialNr.notEmpty() ){
    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type1->SerialNumber, gSettings.SerialNr);
  }
  gSettings.BoardNumber.trim();
  if( gSettings.BoardNumber.notEmpty() ){
    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type1->SKUNumber, gSettings.BoardNumber); //iMac17,1 - there is nothing
  }
  gSettings.FamilyName.trim();
  if( gSettings.FamilyName.notEmpty() ){
    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type1->Family, gSettings.FamilyName);
  }

  Handle = LogSmbiosTable(newSmbiosTable);
  return;
}

void GetTableType2()
{
  CHAR8* s;
  // System Information
  //
  SmbiosTable = GetSmbiosTableFromType (EntryPoint, EFI_SMBIOS_TYPE_BASEBOARD_INFORMATION, 0);
  if (SmbiosTable.Raw == NULL) {
    return;
  }

  s = GetSmbiosString(SmbiosTable, SmbiosTable.Type2->ProductName);
  gSettings.OEMBoard.strncpy(s, iStrLen(s, 64) + 1);
  s = GetSmbiosString(SmbiosTable, SmbiosTable.Type2->Manufacturer);
  gSettings.OEMVendor.strncpy(s, iStrLen(s, 64) + 1);
}


void PatchTableType2()
{
  // BaseBoard Information
  //
  NewSize = 0x10; //sizeof(SMBIOS_TABLE_TYPE2);
  ZeroMem((void*)newSmbiosTable.Type2, MAX_TABLE_SIZE);

  SmbiosTable = GetSmbiosTableFromType (EntryPoint, EFI_SMBIOS_TYPE_BASEBOARD_INFORMATION, 0);
  if (SmbiosTable.Raw == NULL) {
    MsgLog("SmbiosTable: Type 2 (BaseBoard Information) not found, create new\n");
    //Create new one
    newSmbiosTable.Type2->Hdr.Type = 2;
    newSmbiosTable.Type2->Hdr.Handle = 0x0200; //common rule

  } else {
    Size = SmbiosTable.Type2->Hdr.Length; //old size
    TableSize = SmbiosTableLength(SmbiosTable); //including strings

    if (NewSize > Size) {
      CopyMem((void*)newSmbiosTable.Type2, (void*)SmbiosTable.Type2, Size); //copy main table
      CopyMem((CHAR8*)newSmbiosTable.Type2 + NewSize, (CHAR8*)SmbiosTable.Type2 + Size, TableSize - Size); //copy strings
    } else {
      CopyMem((void*)newSmbiosTable.Type2, (void*)SmbiosTable.Type2, TableSize); //copy full table
    }
  }

  newSmbiosTable.Type2->Hdr.Length = (UINT8)NewSize;
  newSmbiosTable.Type2->ChassisHandle = mHandle3;  //from GetTableType3
  newSmbiosTable.Type2->BoardType = gSettings.BoardType;
  ZeroMem((void*)&newSmbiosTable.Type2->FeatureFlag, sizeof(BASE_BOARD_FEATURE_FLAGS));
  newSmbiosTable.Type2->FeatureFlag.Motherboard = 1;
  newSmbiosTable.Type2->FeatureFlag.Replaceable = 1;
  if (gSettings.BoardType == 11) {
    newSmbiosTable.Type2->FeatureFlag.Removable = 1;
  }
  Once = TRUE;

  UniquifySmbiosTableStr(newSmbiosTable, SMBIOS_TABLE_TYPE2_STR_IDX);

  gSettings.BoardManufactureName.trim();
  if( gSettings.BoardManufactureName.notEmpty() ){
    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type2->Manufacturer, gSettings.BoardManufactureName);
  }
  gSettings.BoardNumber.trim();
  if( gSettings.BoardNumber.notEmpty() ){
    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type2->ProductName, gSettings.BoardNumber);
  }
  gSettings.BoardVersion.trim();
  if(  gSettings.BoardVersion.notEmpty() ){
    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type2->Version, gSettings.BoardVersion); //iMac17,1 - there is ProductName
  }
  gSettings.BoardSerialNumber.trim();
  if( gSettings.BoardSerialNumber.notEmpty() ){
    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type2->SerialNumber, gSettings.BoardSerialNumber);
  }
  gSettings.LocationInChassis.trim();
  if( gSettings.LocationInChassis.notEmpty() ){
    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type2->LocationInChassis, gSettings.LocationInChassis);
  }
  //what about Asset Tag??? Not used in real mac. till now.

  //Slice - for the table2 one patch more needed
  /* spec
   Field 0x0E - Identifies the number (0 to 255) of Contained Object Handles that follow
   Field 0x0F - A list of handles of other structures (for example, Baseboard, Processor, Port, System Slots, Memory Device) that are contained by this baseboard
   It may be good before our patching but changed after. We should at least check if all tables mentioned here are present in final structure
   I just set 0 as in iMac11
   */
  newSmbiosTable.Type2->NumberOfContainedObjectHandles = 0;

  Handle = LogSmbiosTable(newSmbiosTable);
  return;
}

void GetTableType3()
{
  // System Chassis Information
  //
  SmbiosTable = GetSmbiosTableFromType (EntryPoint, EFI_SMBIOS_TYPE_SYSTEM_ENCLOSURE, 0);
  if (SmbiosTable.Raw == NULL) {
    DBG("SmbiosTable: Type 3 (System Chassis Information) not found!\n");
    gMobile = FALSE; //default value
    return;
  }
  mHandle3 = SmbiosTable.Type3->Hdr.Handle;
  gMobile = ((SmbiosTable.Type3->Type) >= 8) && (SmbiosTable.Type3->Type != 0x0D); //iMac is desktop!

  return;
}

void PatchTableType3()
{
  // System Chassis Information
  //
  SmbiosTable = GetSmbiosTableFromType (EntryPoint, EFI_SMBIOS_TYPE_SYSTEM_ENCLOSURE, 0);
  if (SmbiosTable.Raw == NULL) {
    //    DBG("SmbiosTable: Type 3 (System Chassis Information) not found!\n");
    return;
  }
  Size = SmbiosTable.Type3->Hdr.Length; //old size
  TableSize = SmbiosTableLength(SmbiosTable); //including strings
  NewSize = 0x15; //sizeof(SMBIOS_TABLE_TYPE3);
  ZeroMem((void*)newSmbiosTable.Type3, MAX_TABLE_SIZE);

  if (NewSize > Size) {
    CopyMem((void*)newSmbiosTable.Type3, (void*)SmbiosTable.Type3, Size); //copy main table
    CopyMem((CHAR8*)newSmbiosTable.Type3 + NewSize, (CHAR8*)SmbiosTable.Type3 + Size, TableSize - Size); //copy strings
    newSmbiosTable.Type3->Hdr.Length = (UINT8)NewSize;
  } else {
    CopyMem((void*)newSmbiosTable.Type3, (void*)SmbiosTable.Type3, TableSize); //copy full table
  }

  newSmbiosTable.Type3->BootupState = ChassisStateSafe;
  newSmbiosTable.Type3->PowerSupplyState = ChassisStateSafe;
  newSmbiosTable.Type3->ThermalState = ChassisStateOther;
  newSmbiosTable.Type3->SecurityStatus = ChassisSecurityStatusOther; //ChassisSecurityStatusNone;
  newSmbiosTable.Type3->NumberofPowerCords = 1;
  newSmbiosTable.Type3->ContainedElementCount = 0;
  newSmbiosTable.Type3->ContainedElementRecordLength = 0;
  Once = TRUE;

  UniquifySmbiosTableStr(newSmbiosTable, SMBIOS_TABLE_TYPE3_STR_IDX);

  if (gSettings.ChassisType != 0) {
    newSmbiosTable.Type3->Type = gSettings.ChassisType;
  }

  gSettings.ChassisManufacturer.trim();
  if( gSettings.ChassisManufacturer.notEmpty() ){
    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type3->Manufacturer, gSettings.ChassisManufacturer);
  }
  //SIC! According to iMac there must be the BoardNumber
  gSettings.BoardNumber.trim();
  if( gSettings.BoardNumber.notEmpty() ){
    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type3->Version, gSettings.BoardNumber);
  }
  gSettings.SerialNr.trim();
  if( gSettings.SerialNr.notEmpty() ){
    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type3->SerialNumber, gSettings.SerialNr);
  }
  gSettings.ChassisAssetTag.trim();
  if( gSettings.ChassisAssetTag.notEmpty() ){
    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type3->AssetTag, gSettings.ChassisAssetTag);
  }

  Handle = LogSmbiosTable(newSmbiosTable);
  return;
}

void GetTableType4()
{
  // Processor Information
  //
  INTN res = 0;

  SmbiosTable = GetSmbiosTableFromType (EntryPoint, EFI_SMBIOS_TYPE_PROCESSOR_INFORMATION, 0);
  if (SmbiosTable.Raw == NULL) {
    DBG("SmbiosTable: Type 4 (Processor Information) not found!\n");
    return;
  }

  res = (SmbiosTable.Type4->ExternalClock * 3 + 2) % 100;
  if (res > 2) {
    res = 0;
  } else {
    res = SmbiosTable.Type4->ExternalClock % 10;
  }

  gCPUStructure.ExternalClock = (UINT32)((SmbiosTable.Type4->ExternalClock * 1000) + (res * 110));//MHz->kHz

  //snwprintf(gSettings.BusSpeed, 10, "%d", gCPUStructure.ExternalClock);
  //gSettings.BusSpeed = gCPUStructure.ExternalClock; //why duplicate??
  gCPUStructure.CurrentSpeed = SmbiosTable.Type4->CurrentSpeed;
  gCPUStructure.MaxSpeed = SmbiosTable.Type4->MaxSpeed;

  size_t off = OFFSET_OF(SMBIOS_TABLE_TYPE4, EnabledCoreCount);
  if (SmbiosTable.Type4->Hdr.Length > off) {  //Smbios >= 2.5
    gSettings.EnabledCores = SmbiosTable.Type4->EnabledCoreCount;
  } else {
    gSettings.EnabledCores = 0; //to change later
  }

  //snwprintf(gSettings.CpuFreqMHz, 10, "%d", gCPUStructure.CurrentSpeed);
  //gSettings.CpuFreqMHz = gCPUStructure.CurrentSpeed;

  return;
}

void PatchTableType4()
{
  // Processor Information
  //
  UINTN               AddBrand = 0;
  UINT16              ProcChar = 0;

  //Note. iMac11,2 has four tables for CPU i3
  UINTN    CpuNumber;

  //  DBG("BrandString=%s\n", BrandStr);
  for (CpuNumber = 0; CpuNumber < gCPUStructure.Cores; CpuNumber++) {
    // Get Table Type4
    SmbiosTable = GetSmbiosTableFromType (EntryPoint, EFI_SMBIOS_TYPE_PROCESSOR_INFORMATION, CpuNumber);
    if (SmbiosTable.Raw == NULL) {
      break;
    }
    // we make SMBios v2.4 while it may be older so we have to increase size
    Size = SmbiosTable.Type4->Hdr.Length; //old size
    TableSize = SmbiosTableLength(SmbiosTable); //including strings
    AddBrand = 0;
    if (SmbiosTable.Type4->ProcessorVersion == 0) { //if no BrandString we can add
      AddBrand = 48;
    }
    NewSize = sizeof(SMBIOS_TABLE_TYPE4);
    ZeroMem((void*)newSmbiosTable.Type4, MAX_TABLE_SIZE);
    CopyMem((void*)newSmbiosTable.Type4, (void*)SmbiosTable.Type4, Size); //copy main table
    CopyMem((CHAR8*)newSmbiosTable.Type4+NewSize, (CHAR8*)SmbiosTable.Type4+Size, TableSize - Size); //copy strings
    newSmbiosTable.Type4->Hdr.Length = (UINT8)NewSize;

    newSmbiosTable.Type4->MaxSpeed = (UINT16)gCPUStructure.MaxSpeed;
    //old version has no such fields. Fill now
    if (Size <= 0x20){
      //sanity check and clear
      newSmbiosTable.Type4->SerialNumber = 0;
      newSmbiosTable.Type4->AssetTag = 0;
      newSmbiosTable.Type4->PartNumber = 0;
    }
    if (Size <= 0x23) {  //Smbios <=2.3
      newSmbiosTable.Type4->CoreCount = gCPUStructure.Cores;
      newSmbiosTable.Type4->ThreadCount = gCPUStructure.Threads;
      newSmbiosTable.Type4->ProcessorCharacteristics = (UINT16)gCPUStructure.Features;
    } //else we propose DMI data is better then cpuid().
    //    if (newSmbiosTable.Type4->CoreCount < newSmbiosTable.Type4->EnabledCoreCount) {
    //      newSmbiosTable.Type4->EnabledCoreCount = gCPUStructure.Cores;
    //    }

    //DBG("insert ExternalClock: %d MHz\n", (INT32)(DivU64x32(gCPUStructure.ExternalClock, Kilo)));
    newSmbiosTable.Type4->ExternalClock = (UINT16)DivU64x32 (gCPUStructure.ExternalClock, Kilo);
    newSmbiosTable.Type4->EnabledCoreCount = gSettings.EnabledCores;
    //some verifications
    if ((newSmbiosTable.Type4->ThreadCount < newSmbiosTable.Type4->CoreCount) ||
        newSmbiosTable.Type4->ThreadCount > newSmbiosTable.Type4->CoreCount * 2) {
      newSmbiosTable.Type4->ThreadCount = gCPUStructure.Threads;
    }

    UniquifySmbiosTableStr(newSmbiosTable, SMBIOS_TABLE_TYPE4_STR_IDX);

    // TODO: Set SmbiosTable.Type4->ProcessorFamily for all implemented CPU models
    Once = TRUE;
    if (gCPUStructure.Model == CPU_MODEL_ATOM) {
      newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelAtom;
    }
    if ((gCPUStructure.Model == CPU_MODEL_DOTHAN) ||
        (gCPUStructure.Model == CPU_MODEL_YONAH)) {
      if (gCPUStructure.Mobile) {
        newSmbiosTable.Type4->ProcessorUpgrade = ProcessorUpgradeSocket478;
        newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelCoreSoloMobile;
        if (gCPUStructure.Cores == 2) {
          newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelCoreDuoMobile;
        }
      } else {
        newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelCoreSolo;
        if (gCPUStructure.Cores == 2) {
          newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelCoreDuo;
        }
      }
    }
    if (gCPUStructure.Model == CPU_MODEL_MEROM) {
      if (gCPUStructure.Mobile) {
        if (gCPUStructure.Cores==2) {
          newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelCore2DuoMobile;
        }
        if (gCPUStructure.Cores==1) {
          newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelCore2SoloMobile;
        }
      } else {  // Conroe
        newSmbiosTable.Type4->ProcessorUpgrade = ProcessorUpgradeSocketLGA775;
        if (gCPUStructure.Cores>2) {
          newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelCore2Quad;
        } else
          if (gCPUStructure.Cores==2) {
            newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelCore2Extreme;
          }
        if (gCPUStructure.Cores==1) {
          newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelCore2Solo;
        }
      }
    }
    if (gCPUStructure.Model == CPU_MODEL_PENRYN) {
      if (gCPUStructure.Mobile) {
        if (gCPUStructure.Cores>2) {
          newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelCore2ExtremeMobile;
        }
        if (gCPUStructure.Cores==2) {
          newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelCore2DuoMobile;
        }

      } else {
        newSmbiosTable.Type4->ProcessorUpgrade = ProcessorUpgradeSocketLGA775;
        if (gCPUStructure.Cores>2) {
          newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelCore2Quad;
        } else if (gCPUStructure.Cores==2) {
          newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelCore2;
        } else {
          newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelCore2Solo;
        }
        if (AsciiStrStr(gCPUStructure.BrandString, "Celeron")) {
          newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyDualCoreIntelCeleron;
        } else if (AsciiStrStr(gCPUStructure.BrandString, "Extreme")) {
          newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelCore2Extreme;
        }
      }
    }
    if (gCPUStructure.Model >= CPU_MODEL_NEHALEM) {
      if (AsciiStrStr(gCPUStructure.BrandString, "i3"))
        newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelCoreI3;
      if (AsciiStrStr(gCPUStructure.BrandString, "i5"))
        newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelCoreI5;
      if (AsciiStrStr(gCPUStructure.BrandString, "i7"))
        newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelCoreI7;
    }
    //spec 2.7 page 48 note 3
    if ((newSmbiosTable.Type4->ProcessorFamily == ProcessorFamilyIntelCore2)
        && gCPUStructure.Mobile) {
      newSmbiosTable.Type4->ProcessorFamily = ProcessorFamilyIntelCore2DuoMobile;
    }

    // Set CPU Attributes
    newSmbiosTable.Type4->L1CacheHandle = L1;
    newSmbiosTable.Type4->L2CacheHandle = L2;
    newSmbiosTable.Type4->L3CacheHandle = L3;
    newSmbiosTable.Type4->ProcessorType = CentralProcessor;
    newSmbiosTable.Type4->ProcessorId.Signature.ProcessorSteppingId = gCPUStructure.Stepping;
    newSmbiosTable.Type4->ProcessorId.Signature.ProcessorModel    = (gCPUStructure.Model & 0xF);
    newSmbiosTable.Type4->ProcessorId.Signature.ProcessorFamily    = gCPUStructure.Family;
    newSmbiosTable.Type4->ProcessorId.Signature.ProcessorType    = gCPUStructure.Type;
    newSmbiosTable.Type4->ProcessorId.Signature.ProcessorXModel    = gCPUStructure.Extmodel;
    newSmbiosTable.Type4->ProcessorId.Signature.ProcessorXFamily  = gCPUStructure.Extfamily;
    //    CopyMem((void*)&newSmbiosTable.Type4->ProcessorId.FeatureFlags, (void*)&gCPUStructure.Features, 4);
    //    newSmbiosTable.Type4->ProcessorId.FeatureFlags = (PROCESSOR_FEATURE_FLAGS)(UINT32)gCPUStructure.Features;
    if (Size <= 0x26) {
      newSmbiosTable.Type4->ProcessorFamily2 = newSmbiosTable.Type4->ProcessorFamily;
      ProcChar |= (gCPUStructure.ExtFeatures & CPUID_EXTFEATURE_EM64T)?0x04:0;
      ProcChar |= (gCPUStructure.Cores > 1)?0x08:0;
      ProcChar |= (gCPUStructure.Cores < gCPUStructure.Threads)?0x10:0;
      ProcChar |= (gCPUStructure.ExtFeatures & CPUID_EXTFEATURE_XD)?0x20:0;
      ProcChar |= (gCPUStructure.Features & CPUID_FEATURE_VMX)?0x40:0;
      ProcChar |= (gCPUStructure.Features & CPUID_FEATURE_EST)?0x80:0;
      newSmbiosTable.Type4->ProcessorCharacteristics = ProcChar;
    }

    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type4->Socket, "U2E1"_XS8);

    XString8 BrandStr;
    BrandStr.takeValueFrom(gCPUStructure.BrandString);
    if (AddBrand) {
      UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type4->ProcessorVersion, BrandStr);
    }

    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type4->AssetTag, BrandStr); //like mac
    // looks to be MicroCode revision
    if(gCPUStructure.MicroCode > 0){
      BrandStr.S8Printf("%llX", gCPUStructure.MicroCode);
      UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type4->SerialNumber, BrandStr);
    }

    Handle = LogSmbiosTable(newSmbiosTable);
  }
  return;
}

void PatchTableType6()
{
  UINT8 SizeField = 0;
  //
  // MemoryModule (TYPE 6)

  // This table is obsolete accoding to Spec but Apple still using it so
  // copy existing table if found, no patches will be here
  // we can have more then 1 module.
  for (Index = 0; Index < MAX_RAM_SLOTS; Index++) {
    SmbiosTable = GetSmbiosTableFromType (EntryPoint, EFI_SMBIOS_TYPE_MEMORY_MODULE_INFORMATON,Index);
    if (SmbiosTable.Raw == NULL) {
      //      MsgLog("SMBIOS Table 6 index %d not found\n", Index);
      continue;
    }
    SizeField = SmbiosTable.Type6->InstalledSize.InstalledOrEnabledSize & 0x7F;
    if (SizeField < 0x7D) {
      mInstalled[Index]  =  LShiftU64(1ULL, 20 + SizeField);
    } else if (SizeField == 0x7F) {
      mInstalled[Index]  = 0;
    } else
      mInstalled[Index]  =  4096ULL * (1024ULL * 1024ULL);
	  MsgLog("Table 6 MEMORY_MODULE %llu Installed %llX ", Index, mInstalled[Index]);
    if (SizeField >= 0x7D) {
      mEnabled[Index]    = 0;
    } else
      mEnabled[Index]    = LShiftU64(1ULL, 20 + ((UINT8)SmbiosTable.Type6->EnabledSize.InstalledOrEnabledSize & 0x7F));
	  MsgLog("... enabled %llX \n", mEnabled[Index]);
    LogSmbiosTable(SmbiosTable);
  }

  return;
}

void PatchTableType7()
{
  // Cache Information
  //
  //TODO - should be separate table for each CPU core
  //new handle for each core and attach Type4 tables for individual Type7
  // Handle = 0x0700 + CoreN<<2 + CacheN (4-level cache is supported
  // L1[CoreN] = Handle

  BOOLEAN correctSD = FALSE;

  //according to spec for Smbios v2.0 max handle is 0xFFFE, for v>2.0 (we made 2.6) max handle=0xFEFF.
  // Value 0xFFFF means no cache
  L1 = 0xFFFF; // L1 Cache
  L2 = 0xFFFF; // L2 Cache
  L3 = 0xFFFF; // L3 Cache

  // Get Table Type7 and set CPU Caches
  for (Index = 0; Index < MAX_CACHE_COUNT; Index++) {
    SmbiosTable = GetSmbiosTableFromType (EntryPoint, EFI_SMBIOS_TYPE_CACHE_INFORMATION, Index);
    if (SmbiosTable.Raw == NULL) {
      break;
    }
    TableSize = SmbiosTableLength(SmbiosTable);
    ZeroMem((void*)newSmbiosTable.Type7, MAX_TABLE_SIZE);
    CopyMem((void*)newSmbiosTable.Type7, (void*)SmbiosTable.Type7, TableSize);
    correctSD = (newSmbiosTable.Type7->SocketDesignation == 0);
    CoreCache = newSmbiosTable.Type7->CacheConfiguration & 3;
    Once = TRUE;

    //SSocketD = "L1-Cache";
    if(correctSD) {
      XString8 SSocketD = S8Printf("L%c-Cache", 0x31 + CoreCache);
      UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type7->SocketDesignation, SSocketD);
    }
    Handle = LogSmbiosTable(newSmbiosTable);
    switch (CoreCache) {
      case 0:
        L1 = Handle;
        break;
      case 1:
        L2 = Handle;
        break;
      case 2:
        L3 = Handle;
        break;
      default:
        break;
    }
  }

  return;
}

void PatchTableType9()
{
  //
  // System Slots (Type 9)
  /*
   SlotDesignation: PCI1
   System Slot Type: PCI
   System Slot Data Bus Width:  32 bit
   System Slot Current Usage:  Available
   System Slot Length:  Short length
   System Slot Type: PCI
   Slot Id: the value present in the Slot Number field of the PCI Interrupt Routing table entry that is associated with this slot is: 1
   Slot characteristics 1:  Provides 3.3 Volts |  Slot's opening is shared with another slot, e.g. PCI/EISA shared slot. |
   Slot characteristics 2:  PCI slot supports Power Management Enable (PME#) signal |
   SegmentGroupNum: 0x4350
   BusNum: 0x49
   DevFuncNum: 0x31

   Real Mac always contain Airport table 9 as
   09 0D xx xx 01 A5 08 03 03 00 00 04 06 "AirPort"
   */
  //usage in macOS:
  // SlotID == value of Name(_SUN, SlotID) 8bit
  // SlotDesignation == name to "AAPL,slot-name"
  // SlotType = 32bit PCI/SlotTypePciExpressX1/x4/x16
  // real PC -> PCI, real Mac -> PCIe

  for (Index = 0; Index < 15; Index++) {
    if (SlotDevices[Index].Valid) {
      INTN Dev, Func;
      ZeroMem((void*)newSmbiosTable.Type9, MAX_TABLE_SIZE);
      newSmbiosTable.Type9->Hdr.Type = EFI_SMBIOS_TYPE_SYSTEM_SLOTS;
      newSmbiosTable.Type9->Hdr.Length = sizeof(SMBIOS_TABLE_TYPE9);
      newSmbiosTable.Type9->Hdr.Handle = (UINT16)(0x0900 + Index);
      newSmbiosTable.Type9->SlotDesignation = 1;
      newSmbiosTable.Type9->SlotType = SlotDevices[Index].SlotType;
      newSmbiosTable.Type9->SlotDataBusWidth = SlotDataBusWidth1X;
      newSmbiosTable.Type9->CurrentUsage = SlotUsageAvailable;
      newSmbiosTable.Type9->SlotLength = SlotLengthShort;
      newSmbiosTable.Type9->SlotID = SlotDevices[Index].SlotID;
      newSmbiosTable.Type9->SlotCharacteristics1.Provides33Volts = 1;
      newSmbiosTable.Type9->SlotCharacteristics2.HotPlugDevicesSupported = 1;
      // take this from PCI bus for WiFi card
      newSmbiosTable.Type9->SegmentGroupNum = SlotDevices[Index].SegmentGroupNum;
      newSmbiosTable.Type9->BusNum = SlotDevices[Index].BusNum;
      newSmbiosTable.Type9->DevFuncNum = SlotDevices[Index].DevFuncNum;
      //
      Dev = SlotDevices[Index].DevFuncNum >> 3;
      Func = SlotDevices[Index].DevFuncNum & 7;
		DBG("insert table 9 for dev %llX:%llX\n", Dev, Func);
      UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type9->SlotDesignation, LString8(SlotDevices[Index].SlotName));
      LogSmbiosTable(newSmbiosTable);
    }
  }

  return;
}

void PatchTableType11()
{
  //  CHAR8    *OEMString = "Apple inc. uses Clover"; //something else here?
  // System Information
  //
  SmbiosTable = GetSmbiosTableFromType (EntryPoint, EFI_SMBIOS_TYPE_OEM_STRINGS, 0);
  if (SmbiosTable.Raw != NULL) {
    MsgLog("Table 11 present, but rewritten for us\n");
  }
  //  TableSize = SmbiosTableLength(SmbiosTable);
  ZeroMem((void*)newSmbiosTable.Type11, MAX_TABLE_SIZE);
  //  CopyMem((void*)newSmbiosTable.Type11, (void*)SmbiosTable.Type11, 5); //minimum, other bytes = 0
  newSmbiosTable.Type11->Hdr.Type = EFI_SMBIOS_TYPE_OEM_STRINGS;
  newSmbiosTable.Type11->Hdr.Length = 5;
  newSmbiosTable.Type11->Hdr.Handle = 0x0B00; //common rule

  newSmbiosTable.Type11->StringCount = 1;
  //
//  ZeroMem(OEMString, MAX_OEM_STRING);
//  AsciiStrCatS(OEMString, MAX_OEM_STRING, "Apple ROM Version.\n");
//  //AsciiStrCatS(OEMString, MAX_OEM_STRING, "  BIOS ID:");
//  //AsciiStrnCatS(OEMString, MAX_OEM_STRING, gSettings.RomVersion, iStrLen(gSettings.RomVersion, 64));
//  //  AsciiStrCatS(OEMString, MAX_OEM_STRING, "\n  EFI Version:");
//  //  AsciiStrnCatS(OEMString, MAX_OEM_STRING, gSettings.EfiVersion, iStrLen(gSettings.EfiVersion, 64));
//  AsciiStrCatS(OEMString, MAX_OEM_STRING, "  Board-ID       : ");
//  AsciiStrnCatS(OEMString, MAX_OEM_STRING, gSettings.BoardNumber, iStrLen(gSettings.BoardNumber, 64));
//	snprintf(TempRev, MAX_OEM_STRING, "\n⌘  Powered by %s\n", gRevisionStr);
//  AsciiStrCatS(OEMString, MAX_OEM_STRING, TempRev);
  XString8 OEMString = S8Printf("Apple ROM Version.\nBoard-ID : %s\n⌘  Powered by %s\n", gSettings.BoardNumber.c_str(), gRevisionStr);

  UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type11->StringCount, OEMString);

  LogSmbiosTable(newSmbiosTable);
  return;
}

//some unused but interesting tables. Just log as is
#define NUM_OTHER_TYPES 14
const UINT8 tableTypes[] = {8, 10, 13, 18, 21, 22, 27, 28, 32, 33, 41, 129, 217, 219};

void PatchTableTypeSome()
{
  for (UINTN IndexType = 0; IndexType < sizeof(tableTypes); IndexType++) {
    for (Index = 0; Index < 32; Index++) {
      SmbiosTable = GetSmbiosTableFromType(EntryPoint, tableTypes[IndexType], Index);
      if (SmbiosTable.Raw == NULL) {
        continue;
      }
      LogSmbiosTable(SmbiosTable);
    }
  }
  return;
}

void GetTableType16()
{
  // Physical Memory Array
  //
  mTotalSystemMemory = 0; //later we will add to the value, here initialize it
  TotalCount = 0;
  for (Index = 0; Index < 8; Index++) {  //how many tables there may be?
    SmbiosTable = GetSmbiosTableFromType (EntryPoint, EFI_SMBIOS_TYPE_PHYSICAL_MEMORY_ARRAY, Index);
    if (SmbiosTable.Raw == NULL) {
      //      DBG("SmbiosTable: Type 16 (Physical Memory Array) not found!\n");
      continue;
    }
	  DBG("Type 16 Index = %llu\n", Index);
    TotalCount += SmbiosTable.Type16->NumberOfMemoryDevices;
  }
  if (!TotalCount) {
    TotalCount = MAX_RAM_SLOTS;
  }
  //Jief_Machak: VMWare report 64 memory slots !!! MAX_RAM_SLOTS is currently 24. Crash is PatchTable17.
  if ( TotalCount > MAX_RAM_SLOTS ) TotalCount = MAX_RAM_SLOTS;
  DBG("Total Memory Slots Count = %d\n", TotalCount);
}


void PatchTableType16()
{
  // Physical Memory Array
  //

  // Get Table Type16 and set Device Count
  SmbiosTable = GetSmbiosTableFromType (EntryPoint, EFI_SMBIOS_TYPE_PHYSICAL_MEMORY_ARRAY, 0);
  if (SmbiosTable.Raw == NULL) {
    DBG("SmbiosTable: Type 16 (Physical Memory Array) not found!\n");
    return;
  }
  TableSize = SmbiosTableLength(SmbiosTable);
  ZeroMem((void*)newSmbiosTable.Type16, MAX_TABLE_SIZE);
  CopyMem((void*)newSmbiosTable.Type16, (void*)SmbiosTable.Type16, TableSize);
  newSmbiosTable.Type16->Hdr.Handle = mHandle16;
  // Slice - I am not sure if I want these values
  // newSmbiosTable.Type16->Location = MemoryArrayLocationProprietaryAddonCard;
  // newSmbiosTable.Type16->Use = MemoryArrayUseSystemMemory;
  // newSmbiosTable.Type16->MemoryErrorCorrection = MemoryErrorCorrectionMultiBitEcc;
  // MemoryErrorInformationHandle
  newSmbiosTable.Type16->MemoryErrorInformationHandle = 0xFFFF;
  newSmbiosTable.Type16->NumberOfMemoryDevices = gRAMCount;
  DBG("NumberOfMemoryDevices = %d\n", gRAMCount);
  LogSmbiosTable(newSmbiosTable);
}

void GetTableType17()
{
  // Memory Device
  //
  BOOLEAN Found;

  // Get Table Type17 and count Size
  gRAMCount = 0;
  for (Index = 0; Index < TotalCount; Index++) {  //how many tables there may be?
    SmbiosTable = GetSmbiosTableFromType (EntryPoint, EFI_SMBIOS_TYPE_MEMORY_DEVICE, Index);
    if (SmbiosTable.Raw == NULL) {
      //      DBG("SmbiosTable: Type 17 (Memory Device number %d) not found!\n", Index);
      continue;
    }
#ifndef JIEF_DEBUG // it's all 0 in VMWare
	  DBG("Type 17 Index = %llu\n", Index);
#endif
    //gDMI->CntMemorySlots++;
    if (SmbiosTable.Type17->MemoryErrorInformationHandle < 0xFFFE) {
      DBG("Table has error information, checking\n"); //why skipping?
      // Why trust it if it has an error? I guess we could look
      //  up the error handle and determine certain errors may
      //  be skipped where others may not but it seems easier
      //  to just skip all entries that have an error - apianti
      // will try
      Found = FALSE;
      for (INTN Index2 = 0; Index2 < 24; Index2++) {
        newSmbiosTable = GetSmbiosTableFromType (EntryPoint, EFI_SMBIOS_TYPE_32BIT_MEMORY_ERROR_INFORMATION, Index2);
        if (newSmbiosTable.Raw == NULL) {
          continue;
        }
        if (newSmbiosTable.Type18->Hdr.Handle == SmbiosTable.Type17->MemoryErrorInformationHandle) {
          Found = TRUE;
          DBG("Found memory information in table 18/%lld, type=0x%X, operation=0x%X syndrome=0x%X\n", Index2,
              newSmbiosTable.Type18->ErrorType,
              newSmbiosTable.Type18->ErrorOperation,
              newSmbiosTable.Type18->VendorSyndrome);
          switch (newSmbiosTable.Type18->ErrorType) {
            case MemoryErrorOk:
              DBG("...memory OK\n");
              break;
            case MemoryErrorCorrected:
              DBG("...memory errors corrected\n");
              break;
            case MemoryErrorChecksum:
              DBG("...error type: Checksum\n");
              break;
            default:
              DBG("...error type not shown\n");
              break;
          }
          break;
        }
      }
      if (Found) {
        if ((newSmbiosTable.Type18->ErrorType != MemoryErrorOk) &&
            (newSmbiosTable.Type18->ErrorType != MemoryErrorCorrected)) {
          DBG("skipping wrong module\n");
          continue;
        }
      }
    }
    // Determine if slot has size
    if (SmbiosTable.Type17->Size > 0) {
      gRAM.SMBIOS[Index].InUse = TRUE;
      gRAM.SMBIOS[Index].ModuleSize = SmbiosTable.Type17->Size;
      if (SmbiosTable.Type17->Size == 0x7FFF) {
        gRAM.SMBIOS[Index].ModuleSize = SmbiosTable.Type17->ExtendedSize;
      }
    }
    // Determine if module frequency is sane value
    if ((SmbiosTable.Type17->Speed > 0) && (SmbiosTable.Type17->Speed <= MAX_RAM_FREQUENCY)) {
      gRAM.SMBIOS[Index].InUse = TRUE;
      gRAM.SMBIOS[Index].Frequency = SmbiosTable.Type17->Speed;
      if (SmbiosTable.Type17->Speed > gRAM.Frequency) {
        gRAM.Frequency = SmbiosTable.Type17->Speed;
      }
    } else {
#ifndef JIEF_DEBUG // always the case in VMWare
      DBG("Ignoring insane frequency value %dMHz\n", SmbiosTable.Type17->Speed);
#endif
    }
    // Fill rest of information if in use
    if (gRAM.SMBIOS[Index].InUse) {
      ++(gRAM.SMBIOSInUse);
      gRAM.SMBIOS[Index].Vendor = GetSmbiosString(SmbiosTable, SmbiosTable.Type17->Manufacturer);
      gRAM.SMBIOS[Index].SerialNo = GetSmbiosString(SmbiosTable, SmbiosTable.Type17->SerialNumber);
      gRAM.SMBIOS[Index].PartNo = GetSmbiosString(SmbiosTable, SmbiosTable.Type17->PartNumber);
    }
    //    DBG("CntMemorySlots = %d\n", gDMI->CntMemorySlots)
    //    DBG("gDMI->MemoryModules = %d\n", gDMI->MemoryModules)
    if ((SmbiosTable.Type17->Speed > 0) && (SmbiosTable.Type17->Speed <= MAX_RAM_FREQUENCY)) {
      DBG("SmbiosTable.Type17->Speed = %dMHz\n", gRAM.SMBIOS[Index].Frequency);
      DBG("SmbiosTable.Type17->Size = %dMB\n", gRAM.SMBIOS[Index].ModuleSize);
      DBG("SmbiosTable.Type17->Bank/Device = %s %s\n", GetSmbiosString(SmbiosTable, SmbiosTable.Type17->BankLocator), GetSmbiosString(SmbiosTable, SmbiosTable.Type17->DeviceLocator));
      DBG("SmbiosTable.Type17->Vendor = %s\n", gRAM.SMBIOS[Index].Vendor);
      DBG("SmbiosTable.Type17->SerialNumber = %s\n", gRAM.SMBIOS[Index].SerialNo);
      DBG("SmbiosTable.Type17->PartNumber = %s\n", gRAM.SMBIOS[Index].PartNo);
    }

    /*
     if ((SmbiosTable.Type17->Size & 0x8000) == 0) {
     mTotalSystemMemory += SmbiosTable.Type17->Size; //Mb
     mMemory17[Index] = (UINT16)(SmbiosTable.Type17->Size > 0 ? mTotalSystemMemory : 0);
     }
     DBG("mTotalSystemMemory = %d\n", mTotalSystemMemory);
     */
  }
}

void PatchTableType17()
{
  XString8   deviceLocator;
  XString8   bankLocator;
  UINT8   channelMap[MAX_RAM_SLOTS];
  UINT8   expectedCount = 0;
  UINT8   channels = 2;
  BOOLEAN insertingEmpty = TRUE;
  BOOLEAN trustSMBIOS = ((gRAM.SPDInUse == 0) || gSettings.TrustSMBIOS);
  BOOLEAN wrongSMBIOSBanks = FALSE;
  BOOLEAN isMacPro = FALSE;
  MACHINE_TYPES Model = GetModelFromString(gSettings.ProductName);
  if ((Model == MacPro31) || (Model == MacPro41) || (Model == MacPro51) || (Model == MacPro61)) {
    isMacPro = TRUE;
  }
  // Inject user memory tables
  if (gSettings.InjectMemoryTables) {
    DBG("Injecting user memory modules to SMBIOS\n");
    if (gRAM.UserInUse == 0) {
      DBG("User SMBIOS contains no memory modules\n");
      return;
    }
    // Check channels
    if ((gRAM.UserChannels == 0) || (gRAM.UserChannels > 8)) {
      gRAM.UserChannels = 1;
    }
    if (gRAM.UserInUse >= MAX_RAM_SLOTS) {
      gRAM.UserInUse = MAX_RAM_SLOTS;
    }
    DBG("Channels: %d\n", gRAM.UserChannels);
    // Setup interleaved channel map
    if (channels >= 2) {
      UINT8 doubleChannels = (UINT8)gRAM.UserChannels << 1;
      for (Index = 0; Index < MAX_RAM_SLOTS; ++Index) {
        channelMap[Index] = (UINT8)(((Index / doubleChannels) * doubleChannels) +
                                    ((Index / gRAM.UserChannels) % 2) + ((Index % gRAM.UserChannels) << 1));
      }
    } else {
      for (Index = 0; Index < MAX_RAM_SLOTS; ++Index) {
        channelMap[Index] = (UINT8)Index;
      }
    }
    DBG("Interleave:");
    for (Index = 0; Index < MAX_RAM_SLOTS; ++Index) {
      DBG(" %d", channelMap[Index]);
    }
    DBG("\n");
    // Memory Device
    //
    gRAMCount = 0;
    // Inject tables
    for (Index = 0; Index < gRAM.UserInUse; Index++) {
      UINTN UserIndex = channelMap[Index];
      UINT8 bank = (UINT8)(Index / gRAM.UserChannels);
      ZeroMem((void*)newSmbiosTable.Type17, MAX_TABLE_SIZE);
      newSmbiosTable.Type17->Hdr.Type = EFI_SMBIOS_TYPE_MEMORY_DEVICE;
      newSmbiosTable.Type17->Hdr.Length = sizeof(SMBIOS_TABLE_TYPE17);
      newSmbiosTable.Type17->TotalWidth = 0xFFFF;
      newSmbiosTable.Type17->DataWidth = 0xFFFF;
      newSmbiosTable.Type17->Hdr.Handle = (UINT16)(0x1100 + UserIndex);
      newSmbiosTable.Type17->FormFactor = (UINT8)(gMobile ? MemoryFormFactorSodimm : MemoryFormFactorDimm);
      newSmbiosTable.Type17->TypeDetail.Synchronous = TRUE;
      newSmbiosTable.Type17->DeviceSet = bank + 1;
      newSmbiosTable.Type17->MemoryArrayHandle = mHandle16;
      if (isMacPro) {
        deviceLocator.S8Printf("DIMM%d", gRAMCount + 1);
      } else {
        deviceLocator.S8Printf("DIMM%d", bank);
        bankLocator.S8Printf("BANK %llu", Index % channels);
        UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->BankLocator, bankLocator);
      }
      UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->DeviceLocator, deviceLocator);
      if ((gRAM.User[UserIndex].InUse) && (gRAM.User[UserIndex].ModuleSize > 0)) {
        DBG("user SMBIOS data:\n");
        DBG("SmbiosTable.Type17->Vendor = %s\n", gRAM.User[UserIndex].Vendor);
        DBG("SmbiosTable.Type17->SerialNumber = %s\n", gRAM.User[UserIndex].SerialNo);
        DBG("SmbiosTable.Type17->PartNumber = %s\n", gRAM.User[UserIndex].PartNo);

        if (gRAM.User[UserIndex].Vendor && iStrLen(gRAM.User[UserIndex].Vendor, 64) > 0) {
          UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->Manufacturer, LString8(gRAM.User[UserIndex].Vendor));
        } else {

          UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->Manufacturer, unknown);
        }
        if (gRAM.User[UserIndex].SerialNo && iStrLen(gRAM.User[UserIndex].SerialNo, 64) > 0) {
          UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->SerialNumber, LString8(gRAM.User[UserIndex].SerialNo));
        } else {
          UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->SerialNumber, unknown);
        }
        if (gRAM.User[UserIndex].PartNo && iStrLen(gRAM.User[UserIndex].PartNo, 64) > 0) {
          UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->PartNumber, LString8(gRAM.User[UserIndex].PartNo));
        } else {
          UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->PartNumber, unknown);
        }
        newSmbiosTable.Type17->Speed = (UINT16)gRAM.User[UserIndex].Frequency;
        if (gRAM.User[UserIndex].ModuleSize > 0x7FFF) {
          newSmbiosTable.Type17->Size = 0x7FFF;
          newSmbiosTable.Type17->ExtendedSize = gRAM.User[UserIndex].ModuleSize;
          mTotalSystemMemory += newSmbiosTable.Type17->ExtendedSize; //Mb
        } else {
          newSmbiosTable.Type17->Size = (UINT16)gRAM.User[UserIndex].ModuleSize;
          mTotalSystemMemory += newSmbiosTable.Type17->Size; //Mb
        }
        newSmbiosTable.Type17->MemoryType = gRAM.User[UserIndex].Type;
        if ((newSmbiosTable.Type17->MemoryType != MemoryTypeDdr2) &&
            (newSmbiosTable.Type17->MemoryType != MemoryTypeDdr4) &&
            (newSmbiosTable.Type17->MemoryType != MemoryTypeDdr)) {
          newSmbiosTable.Type17->MemoryType = MemoryTypeDdr3;
        }
        DBG("%s %s %dMHz %dMB(Ext:%dMB)\n", bankLocator.c_str(), deviceLocator.c_str(), newSmbiosTable.Type17->Speed,
          newSmbiosTable.Type17->Size, newSmbiosTable.Type17->ExtendedSize);
        mMemory17[gRAMCount] = (UINT16)mTotalSystemMemory;
        //        DBG("mTotalSystemMemory = %d\n", mTotalSystemMemory);
      } else {
        DBG("%s %s EMPTY\n", bankLocator.c_str(), deviceLocator.c_str());
      }
      newSmbiosTable.Type17->MemoryErrorInformationHandle = 0xFFFF;
      mHandle17[gRAMCount++] = LogSmbiosTable(newSmbiosTable);
    }
    if (mTotalSystemMemory > 0) {
      DBG("mTotalSystemMemory = %d\n", mTotalSystemMemory);
    }
    return;
  }
  // Prevent inserting empty tables
  if ((gRAM.SPDInUse == 0) && (gRAM.SMBIOSInUse == 0)) {
    DBG("SMBIOS and SPD contain no modules in use\n");
    return;
  }
  // Detect whether the SMBIOS is trusted information
  if (trustSMBIOS) {
    if (gRAM.SMBIOSInUse != 0) {
      if (gRAM.SPDInUse != 0) {
        if (gRAM.SPDInUse != gRAM.SMBIOSInUse) {
          // Prefer the SPD information
          if (gRAM.SPDInUse > gRAM.SMBIOSInUse) {
            DBG("Not trusting SMBIOS because SPD reports more modules...\n");
            trustSMBIOS = FALSE;
          } else if (gRAM.SPD[0].InUse || !gRAM.SMBIOS[0].InUse) {
            if (gRAM.SPDInUse > 1) {
              DBG("Not trusting SMBIOS because SPD reports different modules...\n");
              trustSMBIOS = FALSE;
            } else if (gRAM.SMBIOSInUse == 1) {
              channels = 1;
            }
          } else if (gRAM.SPDInUse == 1) {
            // The SMBIOS may contain table for built-in module
            if (gRAM.SMBIOSInUse <= 2) {
              if (!gRAM.SMBIOS[0].InUse || !gRAM.SPD[2].InUse ||
                  (gRAM.SMBIOS[0].Frequency != gRAM.SPD[2].Frequency) ||
                  (gRAM.SMBIOS[0].ModuleSize != gRAM.SPD[2].ModuleSize)) {
                channels = 1;
              }
            } else {
              DBG("Not trusting SMBIOS because SPD reports only one module...\n");
              trustSMBIOS = FALSE;
            }
          } else {
            DBG("Not trusting SMBIOS because SPD reports less modules...\n");
            trustSMBIOS = FALSE;
          }
        } else if (gRAM.SPD[0].InUse != gRAM.SMBIOS[0].InUse) {
          // Never trust a sneaky SMBIOS!
          DBG("Not trusting SMBIOS because it's being sneaky...\n");
          trustSMBIOS = FALSE;
        }
      } else if (gRAM.SMBIOSInUse == 1) {
        channels = 1;
      }
    }
  }
  if (trustSMBIOS) {
    DBG("Trusting SMBIOS...\n");
  }
  // Determine expected slot count
  expectedCount = (gRAM.UserInUse != 0) ? gRAM.UserInUse : gRAM.SPDInUse;
  if (trustSMBIOS) {
    // Use the smbios in use count
    if (expectedCount < gRAM.SMBIOSInUse) {
      expectedCount = gRAM.SMBIOSInUse;
    }
    // Check if smbios has a good total count
    if ((!gMobile || (TotalCount == 2)) &&
        (expectedCount < TotalCount)) {
      expectedCount = (UINT8)TotalCount;
    }
  } else {
    // Use default value of two for mobile or four for desktop
    if (gMobile) {
      if (expectedCount < 2) {
        expectedCount = 2;
      }
    } else if (expectedCount < 4) {
      expectedCount = 4;
    }
  }
  // Check for interleaved channels
  if (channels >= 2) {
    wrongSMBIOSBanks = ((gRAM.SMBIOS[1].InUse != gRAM.SPD[1].InUse) ||
                        (gRAM.SMBIOS[1].ModuleSize != gRAM.SPD[1].ModuleSize));
  }
  if (wrongSMBIOSBanks) {
    DBG("Detected alternating SMBIOS channel banks\n");
  }
  // Determine if using triple or quadruple channel
  if (gRAM.UserChannels != 0) {
    channels = gRAM.UserChannels;
  } else if (gRAM.SPDInUse == 0) {
    if (trustSMBIOS) {
      if ((gRAM.SMBIOSInUse % 4) == 0) {
        // Quadruple channel
        if ((wrongSMBIOSBanks &&
             (gRAM.SMBIOS[0].InUse == gRAM.SMBIOS[1].InUse) &&
             (gRAM.SMBIOS[0].InUse == gRAM.SMBIOS[2].InUse) &&
             (gRAM.SMBIOS[0].InUse == gRAM.SMBIOS[3].InUse) &&
             (gRAM.SMBIOS[0].ModuleSize == gRAM.SMBIOS[1].ModuleSize) &&
             (gRAM.SMBIOS[0].ModuleSize == gRAM.SMBIOS[2].ModuleSize) &&
             (gRAM.SMBIOS[0].ModuleSize == gRAM.SMBIOS[3].ModuleSize)) ||
            ((gRAM.SMBIOS[0].InUse == gRAM.SMBIOS[2].InUse) &&
             (gRAM.SMBIOS[0].InUse == gRAM.SMBIOS[4].InUse) &&
             (gRAM.SMBIOS[0].InUse == gRAM.SMBIOS[6].InUse) &&
             (gRAM.SMBIOS[0].ModuleSize == gRAM.SMBIOS[2].ModuleSize) &&
             (gRAM.SMBIOS[0].ModuleSize == gRAM.SMBIOS[4].ModuleSize) &&
             (gRAM.SMBIOS[0].ModuleSize == gRAM.SMBIOS[6].ModuleSize))) {
              channels = 4;
            }
      } else if ((gRAM.SMBIOSInUse % 3) == 0) {
        // Triple channel
        if ((wrongSMBIOSBanks &&
             (gRAM.SMBIOS[0].InUse == gRAM.SMBIOS[1].InUse) &&
             (gRAM.SMBIOS[0].InUse == gRAM.SMBIOS[2].InUse) &&
             (gRAM.SMBIOS[0].ModuleSize == gRAM.SMBIOS[1].ModuleSize) &&
             (gRAM.SMBIOS[0].ModuleSize == gRAM.SMBIOS[2].ModuleSize)) ||
            ((gRAM.SMBIOS[0].InUse == gRAM.SMBIOS[2].InUse) &&
             (gRAM.SMBIOS[0].InUse == gRAM.SMBIOS[4].InUse) &&
             (gRAM.SMBIOS[0].ModuleSize == gRAM.SMBIOS[2].ModuleSize) &&
             (gRAM.SMBIOS[0].ModuleSize == gRAM.SMBIOS[4].ModuleSize))) {
              channels = 3;
            }
      } else if (!wrongSMBIOSBanks && ((gRAM.SMBIOSInUse % 2) != 0)) {
        channels = 1;
      }
    }
  } else if ((gRAM.SPDInUse % 4) == 0) {
    // Quadruple channel
    if ((gRAM.SPD[0].InUse == gRAM.SPD[2].InUse) &&
        (gRAM.SPD[0].InUse == gRAM.SPD[4].InUse) &&
        (gRAM.SPD[0].InUse == gRAM.SPD[6].InUse) &&
        (gRAM.SPD[0].ModuleSize == gRAM.SPD[2].ModuleSize) &&
        (gRAM.SPD[0].ModuleSize == gRAM.SPD[4].ModuleSize) &&
        (gRAM.SPD[0].ModuleSize == gRAM.SPD[6].ModuleSize)) {
      channels = 4;
    }
  } else if ((gRAM.SPDInUse % 3) == 0) {
    // Triple channel
    if ((gRAM.SPD[0].InUse == gRAM.SPD[2].InUse) &&
        (gRAM.SPD[0].InUse == gRAM.SPD[4].InUse) &&
        (gRAM.SPD[0].ModuleSize == gRAM.SPD[2].ModuleSize) &&
        (gRAM.SPD[0].ModuleSize == gRAM.SPD[4].ModuleSize)) {
      channels = 3;
    }
  } else if ((gRAM.SPD[0].InUse != gRAM.SPD[2].InUse) ||
             ((gRAM.SPDInUse % 2) != 0)) {
    channels = 1;
  }
  // Can't have less than the number of channels
  if (expectedCount < channels) {
    expectedCount = channels;
  }
  if (expectedCount > 0) {
    --expectedCount;
  }
  DBG("Channels: %d\n", channels);
  // Setup interleaved channel map
  if (channels >= 2) {
    UINT8 doubleChannels = (UINT8)channels << 1;
    for (Index = 0; Index < MAX_RAM_SLOTS; ++Index) {
      channelMap[Index] = (UINT8)(((Index / doubleChannels) * doubleChannels) +
                                  ((Index / channels) % 2) + ((Index % channels) << 1));
    }
  } else {
    for (Index = 0; Index < MAX_RAM_SLOTS; ++Index) {
      channelMap[Index] = (UINT8)Index;
    }
  }
  DBG("Interleave:");
  for (Index = 0; Index < MAX_RAM_SLOTS; ++Index) {
    DBG(" %d", channelMap[Index]);
  }
  DBG("\n");
  // Memory Device
  //
  gRAMCount = 0;
  for (Index = 0; Index < TotalCount; Index++) {
    UINTN SMBIOSIndex = wrongSMBIOSBanks ? Index : channelMap[Index];
    UINTN SPDIndex = channelMap[Index];
    UINT8 bank = (UINT8)Index / channels;
    if (!insertingEmpty && (gRAMCount > expectedCount) &&
        !gRAM.SPD[SPDIndex].InUse && (!trustSMBIOS || !gRAM.SMBIOS[SMBIOSIndex].InUse)) {
      continue;
    }
    SmbiosTable = GetSmbiosTableFromType(EntryPoint, EFI_SMBIOS_TYPE_MEMORY_DEVICE, SMBIOSIndex);
    if (trustSMBIOS && gRAM.SMBIOS[SMBIOSIndex].InUse && (SmbiosTable.Raw != NULL)) {
      DBG("trusted SMBIOS data:\n");
      DBG("SmbiosTable.Type17->Vendor = %s\n", gRAM.SMBIOS[SMBIOSIndex].Vendor);
      DBG("SmbiosTable.Type17->SerialNumber = %s\n", gRAM.SMBIOS[SMBIOSIndex].SerialNo);
      DBG("SmbiosTable.Type17->PartNumber = %s\n", gRAM.SMBIOS[SMBIOSIndex].PartNo);

      TableSize = SmbiosTableLength(SmbiosTable);
      CopyMem((void*)newSmbiosTable.Type17, (void *)SmbiosTable.Type17, TableSize);
      newSmbiosTable.Type17->AssetTag = 0;
      if (iStrLen(gRAM.SMBIOS[SMBIOSIndex].Vendor, 64) > 0) {
        UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->Manufacturer, LString8(gRAM.SMBIOS[SMBIOSIndex].Vendor));
        gSettings.MemoryManufacturer.takeValueFrom(gRAM.SMBIOS[SMBIOSIndex].Vendor);
      } else {
        //        newSmbiosTable.Type17->Manufacturer = 0;
        UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->Manufacturer, unknown);
      }
      if (iStrLen(gRAM.SMBIOS[SMBIOSIndex].SerialNo, 64) > 0) {
        UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->SerialNumber, LString8(gRAM.SMBIOS[SMBIOSIndex].SerialNo));
        gSettings.MemorySerialNumber.takeValueFrom(gRAM.SMBIOS[SMBIOSIndex].SerialNo);
      } else {
        //        newSmbiosTable.Type17->SerialNumber = 0;
        UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->SerialNumber, unknown);
      }
      if (iStrLen(gRAM.SMBIOS[SMBIOSIndex].PartNo, 64) > 0) {
        UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->PartNumber, LString8(gRAM.SMBIOS[SMBIOSIndex].PartNo));
        gSettings.MemoryPartNumber.takeValueFrom(gRAM.SMBIOS[SMBIOSIndex].PartNo);
        DBG(" partNum=%s\n", gRAM.SMBIOS[SMBIOSIndex].PartNo);
      } else {
        //       newSmbiosTable.Type17->PartNumber = 0;
        UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->PartNumber,  unknown);
        DBG(" partNum unknown\n");
      }
    } else {
      ZeroMem((void*)newSmbiosTable.Type17, MAX_TABLE_SIZE);
      newSmbiosTable.Type17->Hdr.Type = EFI_SMBIOS_TYPE_MEMORY_DEVICE;
      newSmbiosTable.Type17->Hdr.Length = sizeof(SMBIOS_TABLE_TYPE17);
      newSmbiosTable.Type17->TotalWidth = 0xFFFF;
      newSmbiosTable.Type17->DataWidth = 0xFFFF;
    }
    Once = TRUE;
    newSmbiosTable.Type17->Hdr.Handle = (UINT16)(0x1100 + Index);
    newSmbiosTable.Type17->FormFactor = (UINT8)(gMobile ? MemoryFormFactorSodimm : MemoryFormFactorDimm);
    newSmbiosTable.Type17->TypeDetail.Synchronous = TRUE;
    newSmbiosTable.Type17->DeviceSet = bank + 1;
    newSmbiosTable.Type17->MemoryArrayHandle = mHandle16;

    if (gRAM.SPD[SPDIndex].InUse) {
      DBG("SPD data in use:\n");
      DBG("SmbiosTable.Type17->Vendor = %s\n", gRAM.SPD[SPDIndex].Vendor);
      DBG("SmbiosTable.Type17->SerialNumber = %s\n", gRAM.SPD[SPDIndex].SerialNo);
      DBG("SmbiosTable.Type17->PartNumber = %s\n", gRAM.SPD[SPDIndex].PartNo);

      if (iStrLen(gRAM.SPD[SPDIndex].Vendor, 64) > 0) {
        UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->Manufacturer, LString8(gRAM.SPD[SPDIndex].Vendor));
        gSettings.MemoryManufacturer.takeValueFrom(gRAM.SPD[SPDIndex].Vendor);
      } else {
        UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->Manufacturer, unknown);
      }
      if (iStrLen(gRAM.SPD[SPDIndex].SerialNo, 64) > 0) {
        UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->SerialNumber, LString8(gRAM.SPD[SPDIndex].SerialNo));
        gSettings.MemorySerialNumber.takeValueFrom(gRAM.SPD[SPDIndex].SerialNo);
      } else {
        UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->SerialNumber, unknown);
      }
      if (iStrLen(gRAM.SPD[SPDIndex].PartNo, 64) > 0) {
        UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->PartNumber, LString8(gRAM.SPD[SPDIndex].PartNo));
		  gSettings.MemoryPartNumber.takeValueFrom(gRAM.SPD[SPDIndex].PartNo);
      } else {
        UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->PartNumber, unknown);
      }
      if (gRAM.Frequency > gRAM.SPD[SPDIndex].Frequency) {
        newSmbiosTable.Type17->Speed = (UINT16)gRAM.Frequency;
      } else {
        newSmbiosTable.Type17->Speed = (UINT16)gRAM.SPD[SPDIndex].Frequency;
      }
      if (gRAM.SPD[SPDIndex].ModuleSize > 0x7FFF) {
        newSmbiosTable.Type17->Size = 0x7FFF;
        newSmbiosTable.Type17->ExtendedSize = gRAM.SPD[SPDIndex].ModuleSize;
      } else {
        newSmbiosTable.Type17->Size = (UINT16)gRAM.SPD[SPDIndex].ModuleSize;
      }
      newSmbiosTable.Type17->MemoryType = gRAM.SPD[SPDIndex].Type;
    }
    if (trustSMBIOS && gRAM.SMBIOS[SMBIOSIndex].InUse &&
        (newSmbiosTable.Type17->Speed < (UINT16)gRAM.SMBIOS[SMBIOSIndex].Frequency)) {
      DBG("Type17->Speed corrected by SMBIOS from %dMHz to %dMHz\n", newSmbiosTable.Type17->Speed, gRAM.SMBIOS[SMBIOSIndex].Frequency);
      newSmbiosTable.Type17->Speed = (UINT16)gRAM.SMBIOS[SMBIOSIndex].Frequency;
    }
    if (trustSMBIOS && gRAM.SMBIOS[SMBIOSIndex].InUse &&
        (iStrLen(gRAM.SMBIOS[SMBIOSIndex].Vendor, 64) > 0) &&
        (!gRAM.SPD[SPDIndex].Vendor || strncmp(gRAM.SPD[SPDIndex].Vendor, "NoName", 6) == 0)) {
      DBG("Type17->Manufacturer corrected by SMBIOS from NoName to %s\n", gRAM.SMBIOS[SMBIOSIndex].Vendor);
      UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->Manufacturer, LString8(gRAM.SMBIOS[SMBIOSIndex].Vendor));
    }

    gSettings.MemorySpeed.S8Printf("%d", newSmbiosTable.Type17->Speed);

    // Assume DDR3 unless explicitly set to DDR2/DDR/DDR4
    if ((newSmbiosTable.Type17->MemoryType != MemoryTypeDdr2) &&
        (newSmbiosTable.Type17->MemoryType != MemoryTypeDdr4) &&
        (newSmbiosTable.Type17->MemoryType != MemoryTypeDdr)) {
      newSmbiosTable.Type17->MemoryType = MemoryTypeDdr3;
    }

    //now I want to update deviceLocator and bankLocator
    if (isMacPro) {
      deviceLocator.S8Printf("DIMM%d", gRAMCount + 1);
      bankLocator.setEmpty();
    } else {
      deviceLocator.S8Printf("DIMM%d", bank);
		  bankLocator.S8Printf("BANK %llu", Index % channels);
    }
    UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->DeviceLocator, deviceLocator);
    if (isMacPro) {
      newSmbiosTable.Type17->BankLocator = 0; //like in MacPro5,1
    } else {
      UpdateSmbiosString(newSmbiosTable, &newSmbiosTable.Type17->BankLocator, bankLocator);
    }
	  DBG("SMBIOS Type 17 Index = %d => %llu %llu:\n", gRAMCount, SMBIOSIndex, SPDIndex);
    if (newSmbiosTable.Type17->Size == 0) {
      DBG("%s %s EMPTY\n", bankLocator.c_str(), deviceLocator.c_str());
      newSmbiosTable.Type17->MemoryType = 0; //MemoryTypeUnknown;
    } else {
      insertingEmpty = FALSE;
      DBG("%s %s %dMHz %dMB(Ext:%dMB)\n", bankLocator.c_str(), deviceLocator.c_str(), newSmbiosTable.Type17->Speed,
          newSmbiosTable.Type17->Size, newSmbiosTable.Type17->ExtendedSize);
      if (newSmbiosTable.Type17->Size == 0x7FFF) {
        mTotalSystemMemory += newSmbiosTable.Type17->ExtendedSize; //Mb
      } else {
        mTotalSystemMemory += newSmbiosTable.Type17->Size; //Mb
      }
      mMemory17[gRAMCount] = (UINT16)mTotalSystemMemory;
      //      DBG("mTotalSystemMemory = %d\n", mTotalSystemMemory);
    }
    newSmbiosTable.Type17->MemoryErrorInformationHandle = 0xFFFF;
    if (gSettings.Attribute != -1) {
      newSmbiosTable.Type17->Attributes = gSettings.Attribute;
    }
    mHandle17[gRAMCount++] = LogSmbiosTable(newSmbiosTable);
  }
  if (mTotalSystemMemory > 0) {
    DBG("mTotalSystemMemory = %d\n", mTotalSystemMemory);
  }
}

void
PatchTableType19 ()
{
  //
  // Generate Memory Array Mapped Address info (TYPE 19)
  //
  /*
   /// This structure provides the address mapping for a Physical Memory Array.
   /// One structure is present for each contiguous address range described.
   ///
   typedef struct {
   SMBIOS_STRUCTURE      Hdr;
   UINT32                StartingAddress;
   UINT32                EndingAddress;
   UINT16                MemoryArrayHandle;
   UINT8                 PartitionWidth;
   } SMBIOS_TABLE_TYPE19;

   */
  //Slice - I created one table as a sum of all other. It is needed for SetupBrowser
  UINT32  TotalEnd = 0;
  UINT8  PartWidth = 1;
  UINT16  SomeHandle = 0x1300; //as a common rule handle=(type<<8 + index)
  for (Index = 0; Index < TotalCount; Index++) {
    SmbiosTable = GetSmbiosTableFromType (EntryPoint, EFI_SMBIOS_TYPE_MEMORY_ARRAY_MAPPED_ADDRESS, Index);
    if (SmbiosTable.Raw == NULL) {
      continue;
    }
    if (SmbiosTable.Type19->EndingAddress > TotalEnd) {
      TotalEnd = SmbiosTable.Type19->EndingAddress;
    }
    PartWidth = SmbiosTable.Type19->PartitionWidth;
    //SomeHandle = SmbiosTable.Type19->Hdr.Handle;
  }
  if (TotalEnd == 0) {
    TotalEnd = (UINT32)(LShiftU64(mTotalSystemMemory, 10) - 1);
  }
  gTotalMemory = LShiftU64(mTotalSystemMemory, 20);
  ZeroMem((void*)newSmbiosTable.Type19, MAX_TABLE_SIZE);
  newSmbiosTable.Type19->Hdr.Type = EFI_SMBIOS_TYPE_MEMORY_ARRAY_MAPPED_ADDRESS;
  newSmbiosTable.Type19->Hdr.Length = sizeof(SMBIOS_TABLE_TYPE19);
  newSmbiosTable.Type19->Hdr.Handle = SomeHandle;
  newSmbiosTable.Type19->MemoryArrayHandle = mHandle16;
  newSmbiosTable.Type19->StartingAddress = 0;
  newSmbiosTable.Type19->EndingAddress = TotalEnd;
  newSmbiosTable.Type19->PartitionWidth = PartWidth;
  mHandle19 = LogSmbiosTable(newSmbiosTable);
  return ;
}

void PatchTableType20 ()
{
  UINTN  j = 0, k = 0, m = 0;
  //
  // Generate Memory Array Mapped Address info (TYPE 20)
  // not needed neither for Apple nor for EFI
  m = 0;
  for (Index = 0; Index < TotalCount; Index++) {
    SmbiosTable = GetSmbiosTableFromType (EntryPoint, EFI_SMBIOS_TYPE_MEMORY_DEVICE_MAPPED_ADDRESS, Index);
    if (SmbiosTable.Raw == NULL) {
      return ;
    }
    TableSize = SmbiosTableLength(SmbiosTable);
    ZeroMem((void*)newSmbiosTable.Type20, MAX_TABLE_SIZE);
    CopyMem((void*)newSmbiosTable.Type20, (void*)SmbiosTable.Type20, TableSize);
    for (j=0; j < TotalCount; j++) {
      //EndingAddress in kb while mMemory in Mb
      if ((UINT32)(mMemory17[j] << 10) > newSmbiosTable.Type20->EndingAddress) {
        newSmbiosTable.Type20->MemoryDeviceHandle = mHandle17[j];
        k = newSmbiosTable.Type20->EndingAddress;
        m += mMemory17[j];
		  DBG("Type20[%llu]->End = 0x%llX, Type17[%llu] = %llX\n",
            Index, k, j, m);
        //        DBG(" MemoryDeviceHandle = 0x%X\n", newSmbiosTable.Type20->MemoryDeviceHandle);
        mMemory17[j] = 0; // used
        break;
      }
      //  DBG("\n");
    }

    newSmbiosTable.Type20->MemoryArrayMappedAddressHandle = mHandle19;
    //
    // Record Smbios Type 20
    //
    LogSmbiosTable(newSmbiosTable);
  }
  return ;
}

void GetTableType32()
{
  SmbiosTable = GetSmbiosTableFromType (EntryPoint, EFI_SMBIOS_TYPE_SYSTEM_BOOT_INFORMATION, 0);
  if (SmbiosTable.Raw == NULL) {
    return;
  }
  gBootStatus = SmbiosTable.Type32->BootStatus;
}

/**
 * Apple Specific Structures.
 * Firmware Table, FirmwareVolume (TYPE 128).
 */
void PatchTableType128()
{
  /**
   * Useful information.
   *
   * FW_REGION_RESERVED   = 0,
   * FW_REGION_RECOVERY   = 1,
   * FW_REGION_MAIN       = 2,
   * gHob->MemoryAbove1MB.PhysicalStart + ResourceLength or fix as 0x200000 - 0x600000,
   * FW_REGION_NVRAM      = 3,
   * FW_REGION_CONFIG     = 4,
   * FW_REGION_DIAGVAULT  = 5.
   */

  // Get the existing 128 table if exists.
  //SmbiosTable = GetSmbiosTableFromType (EntryPoint, 128, 0);

  // initialise new table
  ZeroMem((void*)newSmbiosTable.Type128, MAX_TABLE_SIZE);

  // common rules
  newSmbiosTable.Type128->Hdr.Type = 128;
  newSmbiosTable.Type128->Hdr.Length = sizeof(SMBIOS_TABLE_TYPE128);
  newSmbiosTable.Type128->Hdr.Handle = 0x8000;

  // set firmware-features, example: 0x80001417, imac11,2 -> 0x1403.
  newSmbiosTable.Type128->FirmwareFeatures = gFwFeatures;
  // set firmware-features mask
  newSmbiosTable.Type128->FirmwareFeaturesMask = gFwFeaturesMask;

  /**
   * TODO: I have an idea that region should be the same as Efivar.bin
   * @author Slice
   */
  newSmbiosTable.Type128->RegionCount = 1;
  newSmbiosTable.Type128->RegionType[0] = FW_REGION_MAIN;
  //UpAddress = mTotalSystemMemory << 20; //Mb -> b
  //gHob->MemoryAbove1MB.PhysicalStart;
  newSmbiosTable.Type128->FlashMap[0].StartAddress = 0xFFE00000; //0xF0000;
  //gHob->MemoryAbove1MB.PhysicalStart + gHob->MemoryAbove1MB.ResourceLength - 1;
  newSmbiosTable.Type128->FlashMap[0].EndAddress = 0xFFEFFFFF;
  //newSmbiosTable.Type128->RegionType[1] = FW_REGION_NVRAM; //Efivar
  //newSmbiosTable.Type128->FlashMap[1].StartAddress = 0x15000; //0xF0000;
  //newSmbiosTable.Type128->FlashMap[1].EndAddress = 0x1FFFF;
  //region type=1 also present in mac

  // log the new, 128, sbmios  table
  LogSmbiosTable(newSmbiosTable);
  return ;
}

void PatchTableType130()
{
  //
  // MemorySPD (TYPE 130)
  // TODO:  read SPD and place here. But for a what?
  //
  SmbiosTable = GetSmbiosTableFromType (EntryPoint, 130, 0);
  if (SmbiosTable.Raw == NULL) {
    return ;
  }
  //
  // Log Smbios Record Type130
  //
  LogSmbiosTable(SmbiosTable);
  return ;
}



void PatchTableType131()
{
  // Get Table Type131
  SmbiosTable = GetSmbiosTableFromType (EntryPoint, 131, 0);
  if (SmbiosTable.Raw != NULL) {
	  MsgLog("Table 131 is present, CPUType=%hX\n", SmbiosTable.Type131->ProcessorType.Type);
	  MsgLog("Change to: %hX\n", gSettings.CpuType);
  }

  ZeroMem((void*)newSmbiosTable.Type131, MAX_TABLE_SIZE);
  newSmbiosTable.Type131->Hdr.Type = 131;
  newSmbiosTable.Type131->Hdr.Length = sizeof(SMBIOS_STRUCTURE)+2;
  newSmbiosTable.Type131->Hdr.Handle = 0x8300; //common rule
  // Patch ProcessorType
  newSmbiosTable.Type131->ProcessorType.Type = gSettings.CpuType;
  Handle = LogSmbiosTable(newSmbiosTable);
  return;
}

void PatchTableType132()
{
  if (!gSettings.SetTable132) {
    //DBG("disabled Table 132\n");
    return;
  }

  // Get Table Type132
  SmbiosTable = GetSmbiosTableFromType (EntryPoint, 132, 0);
  if (SmbiosTable.Raw != NULL) {
	  MsgLog("Table 132 is present, QPI=%hX\n", SmbiosTable.Type132->ProcessorBusSpeed);
	  MsgLog("Change to: %hX\n", gSettings.QPI);
  }

  ZeroMem((void*)newSmbiosTable.Type132, MAX_TABLE_SIZE);
  newSmbiosTable.Type132->Hdr.Type = 132;
  newSmbiosTable.Type132->Hdr.Length = sizeof(SMBIOS_STRUCTURE)+2;
  newSmbiosTable.Type132->Hdr.Handle = 0x8400; //ugly

  // Patch ProcessorBusSpeed
  if(gSettings.QPI){
    newSmbiosTable.Type132->ProcessorBusSpeed = gSettings.QPI;
  } else {
    newSmbiosTable.Type132->ProcessorBusSpeed = (UINT16)(LShiftU64(DivU64x32(gCPUStructure.ExternalClock, Kilo), 2));
  }

  Handle = LogSmbiosTable(newSmbiosTable);
  return;
}

void PatchTableType133()
{
  if (gPlatformFeature == 0xFFFF) {
    return;
  }
  // Get Table Type133
  SmbiosTable = GetSmbiosTableFromType (EntryPoint, 133, 0);
  if (SmbiosTable.Raw != NULL) {
	  MsgLog("Table 133 is present, PlatformFeature=%llX\n", SmbiosTable.Type133->PlatformFeature);
	  MsgLog("Change to: %llX\n", gPlatformFeature);
  }
  ZeroMem((void*)newSmbiosTable.Type133, MAX_TABLE_SIZE);
  newSmbiosTable.Type133->Hdr.Type = 133;
  newSmbiosTable.Type133->Hdr.Length = sizeof(SMBIOS_STRUCTURE)+8;
  newSmbiosTable.Type133->Hdr.Handle = 0x8500; //ugly
  //  newSmbiosTable.Type133->PlatformFeature = gPlatformFeature;
  CopyMem((void*)&newSmbiosTable.Type133->PlatformFeature, (void*)&gPlatformFeature, 8);
  Handle = LogSmbiosTable(newSmbiosTable);
  return;
}

EFI_STATUS PrepatchSmbios()
{
  EFI_STATUS        Status = EFI_SUCCESS;
  UINTN          BufferLen;
  EFI_PHYSICAL_ADDRESS     BufferPtr;
  //  UINTN          Index;
  DbgHeader("Get Smbios");

  // Get SMBIOS Tables
  Smbios = FindOemSMBIOSPtr();
  //  DBG("OEM SMBIOS EPS=%p\n", Smbios);
  //  DBG("OEM Tables = %X\n", ((SMBIOS_TABLE_ENTRY_POINT*)Smbios)->TableAddress);
  if (!Smbios) {
    //    DBG("Original SMBIOS System Table not found! Getting from Hob...\n");
    Smbios = GetSmbiosTablesFromHob();
    //    DBG("HOB SMBIOS EPS=%p\n", Smbios);
    if (!Smbios) {
      //      DBG("And here SMBIOS System Table not found! Trying System table ...\n");
      // this should work on any UEFI
      Smbios = GetSmbiosTablesFromConfigTables();
      //      DBG("ConfigTables SMBIOS EPS=%p\n", Smbios);
      if (!Smbios) {
        //        DBG("And here SMBIOS System Table not found! Exiting...\n");
        return EFI_NOT_FOUND;
      }
    }
  }

  //original EPS and tables
  EntryPoint = (SMBIOS_TABLE_ENTRY_POINT*)Smbios; //yes, it is old SmbiosEPS
  //  Smbios = (void*)(UINT32)EntryPoint->TableAddress; // here is flat Smbios database. Work with it
  //how many we need to add for tables 128, 130, 131, 132 and for strings?
  BufferLen = 0x20 + EntryPoint->TableLength + 64 * 10;
  //new place for EPS and tables. Allocated once for both
  BufferPtr = EFI_SYSTEM_TABLE_MAX_ADDRESS;
  Status = gBS->AllocatePages (AllocateMaxAddress, EfiACPIMemoryNVS, /*EfiACPIReclaimMemory,   */
                               EFI_SIZE_TO_PAGES(BufferLen), &BufferPtr);
  if (EFI_ERROR(Status)) {
    //    DBG("There is error allocating pages in EfiACPIMemoryNVS!\n");
    Status = gBS->AllocatePages (AllocateMaxAddress,  /*EfiACPIMemoryNVS, */EfiACPIReclaimMemory,
                                 ROUND_PAGE(BufferLen)/EFI_PAGE_SIZE, &BufferPtr);
    if (EFI_ERROR(Status)) {
      //      DBG("There is error allocating pages in EfiACPIReclaimMemory!\n");
    }
  }
  //  DBG("Buffer @ %p\n", BufferPtr);
  if (BufferPtr) {
    SmbiosEpsNew = (SMBIOS_TABLE_ENTRY_POINT *)(UINTN)BufferPtr; //this is new EPS
  } else {
    SmbiosEpsNew = EntryPoint; //is it possible?!
  }
  ZeroMem(SmbiosEpsNew, BufferLen);
  //  DBG("New EntryPoint = %p\n", SmbiosEpsNew);
  NumberOfRecords = 0;
  MaxStructureSize = 0;
  //preliminary fill EntryPoint with some data
  CopyMem((void *)SmbiosEpsNew, (void *)EntryPoint, sizeof(SMBIOS_TABLE_ENTRY_POINT));


  Smbios = (void*)(SmbiosEpsNew + 1); //this is a C-language trick. I hate it but use. +1 means +sizeof(SMBIOS_TABLE_ENTRY_POINT)
  Current = (UINT8*)Smbios; //begin fill tables from here
  SmbiosEpsNew->TableAddress = (UINT32)(UINTN)Current;
  SmbiosEpsNew->EntryPointLength = sizeof(SMBIOS_TABLE_ENTRY_POINT); // no matter on other versions
  if (gSettings.SmbiosVersion != 0) {
    SmbiosEpsNew->MajorVersion = (UINT8)(gSettings.SmbiosVersion >> 8);
    SmbiosEpsNew->MinorVersion = (UINT8)(gSettings.SmbiosVersion & 0xFF);
    SmbiosEpsNew->SmbiosBcdRevision = (SmbiosEpsNew->MajorVersion << 4) + SmbiosEpsNew->MinorVersion;
  }
  else {
    //old behavior
    SmbiosEpsNew->MajorVersion = 2;
    SmbiosEpsNew->MinorVersion = 4;
    SmbiosEpsNew->SmbiosBcdRevision = 0x24; //Slice - we want to have v2.6 but Apple still uses 2.4, let it be default value
  }

  //Create space for SPD
  //gRAM = (__typeof__(gRAM))AllocateZeroPool(sizeof(MEM_STRUCTURE));
  //gDMI = (__typeof__(gDMI))AllocateZeroPool(sizeof(DMI));

  //Collect information for use in menu
  GetTableType1();
  GetTableType2();
  GetTableType3();
  GetTableType4();
  GetTableType16();
  GetTableType17();
  GetTableType32(); //get BootStatus here to decide what to do
  MsgLog("Boot status=%hhX\n", gBootStatus);
  //for example the bootloader may go to Recovery is BootStatus is Fail
  return   Status;
}

void PatchSmbios(void) //continue
{

  DbgHeader("PatchSmbios");

  newSmbiosTable.Raw = (UINT8*)AllocateZeroPool(MAX_TABLE_SIZE);
  //Slice - order of patching is significant
  PatchTableType0();
  PatchTableType1();
  PatchTableType2();
  PatchTableType3();
  PatchTableType7(); //we should know handles before patch Table4
  PatchTableType4();
  //  PatchTableType6();
  PatchTableType9();
  if (!gSettings.NoRomInfo) {
    PatchTableType11();
  }
  PatchTableTypeSome();
  PatchTableType17();
  PatchTableType16();
  PatchTableType19();
  PatchTableType20();
  PatchTableType128();
  PatchTableType130();
  PatchTableType131();
  PatchTableType132();
  PatchTableType133();
  AddSmbiosEndOfTable();
  if(MaxStructureSize > MAX_TABLE_SIZE){
    //    DBG("Too long SMBIOS!\n");
  }
  FreePool((void*)newSmbiosTable.Raw);

  // there is no need to keep all tables in numeric order. It is not needed
  // neither by specs nor by AppleSmbios.kext
}

void FinalizeSmbios() //continue
{
  EFI_PEI_HOB_POINTERS  GuidHob;
  EFI_PEI_HOB_POINTERS  HobStart;
  EFI_PHYSICAL_ADDRESS    *Table = NULL;
  //UINTN          TableLength = 0;
//  BOOLEAN FoundTable3 = FALSE;

  // Get Hob List
  HobStart.Raw = (__typeof_am__(HobStart.Raw))GetHobList();

  if (HobStart.Raw != NULL) {
    // find SMBIOS in hob
    for (Index = 0; Index < sizeof (gTableGuidArray) / sizeof (*gTableGuidArray); ++Index) {
      GuidHob.Raw = (__typeof_am__(HobStart.Raw))GetNextGuidHob (gTableGuidArray[Index], HobStart.Raw);
      if (GuidHob.Raw != NULL) {
        Table = (__typeof_am__(Table))GET_GUID_HOB_DATA (GuidHob.Guid);
        //TableLength = GET_GUID_HOB_DATA_SIZE (GuidHob);
        if (Table != NULL) {
          if (Index != 0) {
//            FoundTable3 = TRUE;  //don't know how to use it. Real Mac have table3 in the format of table2
            DBG("Found SMBIOS3 Table\n");
          }
          break;
        }
      }
    }
  }

  //
  // Install SMBIOS in Config table
  SmbiosEpsNew->TableLength = (UINT16)((UINT32)(UINTN)Current - (UINT32)(UINTN)Smbios);
  SmbiosEpsNew->NumberOfSmbiosStructures = NumberOfRecords;
  SmbiosEpsNew->MaxStructureSize = MaxStructureSize;
  SmbiosEpsNew->IntermediateChecksum = 0;
  SmbiosEpsNew->IntermediateChecksum = (UINT8)(256 - Checksum8((UINT8*)SmbiosEpsNew + 0x10, SmbiosEpsNew->EntryPointLength - 0x10));
  SmbiosEpsNew->EntryPointStructureChecksum = 0;
  SmbiosEpsNew->EntryPointStructureChecksum = (UINT8)(256 - Checksum8((UINT8*)SmbiosEpsNew, SmbiosEpsNew->EntryPointLength));
//DBG("SmbiosEpsNew->TableLength = %d\n", SmbiosEpsNew->TableLength);
//DBG("SmbiosEpsNew->EntryPointLength = %d\n", SmbiosEpsNew->EntryPointLength);
//DBG("SmbiosEpsNew->MaxStructureSize = %d\n", SmbiosEpsNew->MaxStructureSize);
//DBG("DMI checksum = %d\n", Checksum8((UINT8*)SmbiosEpsNew, SmbiosEpsNew->EntryPointLength));
//XString8 tmpDbg;
//XString8 tmptmpDbg;
//tmpDbg.dataSized(SmbiosEpsNew->TableLength*3+5*SmbiosEpsNew->TableLength/32+128);
//for ( size_t i = 0 ; i < SmbiosEpsNew->TableLength ; ) {
//  size_t j;
//  for ( j = 0 ; j < SmbiosEpsNew->TableLength && j < 32 ;  j++ ) {
////    DBG("%02x ", ((UINT8*)(SmbiosEpsNew+1))[i+j] );
//    tmptmpDbg.S8Printf("%02x ", ((UINT8*)(SmbiosEpsNew+1))[i+j] );
//    tmpDbg.strcat(tmptmpDbg);
//  }
////  DBG(" -  ");
//  tmptmpDbg.S8Printf(" -  ");
//  tmpDbg.strcat(tmptmpDbg);
//  for ( j = 0 ; j < SmbiosEpsNew->TableLength && j < 32 ;  j++ ) {
//    UINT8 c = ((UINT8*)(SmbiosEpsNew+1))[i+j];
////    DBG("%c ", c > 32 ? c : '.');
//    tmptmpDbg.S8Printf("%c", c > 32 ? c : '.');
//    tmpDbg.strcat(tmptmpDbg);
//  }
////  DBG("\n");
//  tmptmpDbg.S8Printf("\n");
//  tmpDbg.strcat(tmptmpDbg);
//  i += j;
//}
//DBG("%s", tmpDbg.c_str());
//auto foo = SmbiosEpsNew;

  //
  // syscl: one more step: check if we need remap SMBIOS Table Type 1 Guid
  //
  // to fix Dell's SMBIOS truncate credit David Passmore
  //
  if (gRemapSmBiosIsRequire)
  {
    //
    // syscl: remap smbios table 1 guid
    //
    DBG("Remap smbios table type 1 guid.\n");
    gBS->InstallConfigurationTable (&gRemapEfiSmbiosTableGuid, (void*)SmbiosEpsNew);
  }
  else
  {
    //
    // use origin smbios guid table
    //
    DBG("Use origin smbios table type 1 guid.\n");
    gBS->InstallConfigurationTable (&gEfiSmbiosTableGuid, (void*)SmbiosEpsNew);
  }

  gST->Hdr.CRC32 = 0;
  gBS->CalculateCrc32 ((UINT8 *) &gST->Hdr, gST->Hdr.HeaderSize, &gST->Hdr.CRC32);

  //
  // Fix it in Hob list
  //
  // No smbios in Hob list on Aptio, so no need to update it there.
  // But even if it would be there, loading of macOS would overwrite it
  // since this list on my board is inside space needed for kernel
  // (ha! like many other UEFI stuff).
  // It's enough to add it to Conf.table.
  //
  if (Table != NULL) {
    //PauseForKey(L"installing SMBIOS in Hob\n");
    *Table = (UINT32)(UINTN)SmbiosEpsNew;
  }
  //  egSaveFile(NULL, SWPrintf("%ls\\misc\\smbios.bin", self.getCloverDirFullPath().wc_str()).wc_str(), (UINT8*)(UINTN)SmbiosEpsNew, SmbiosEpsNew->TableLength);
  return;
}