/***************************************************************************
 *   Copyright (C) 2005-2007 Nicolas Hadacek <hadacek@kde.org>             *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 ***************************************************************************/
#include <tqfile.h>
#include <tqregexp.h>

#include "xml_to_data/device_xml_to_data.h"
#include "common/common/misc.h"
#include "devices/pic/base/pic_config.h"
#include "devices/pic/base/pic_register.h"

namespace Pic
{
class XmlToData : public Device::XmlToData<Data>
{
private:
  virtual TQString namespaceName() const { return "Pic"; }

bool getVoltages(ProgVoltageType type, TQDomElement element)
{
  TQDomElement voltages = findUniqueElement(element, "voltages", "name", type.key());
  if ( voltages.isNull() ) return false;
  bool ok1, ok2, ok3;
  data()->_voltages[type].min = voltages.attribute("min").toDouble(&ok1);
  data()->_voltages[type].max = voltages.attribute("max").toDouble(&ok2);
  data()->_voltages[type].nominal = voltages.attribute("nominal").toDouble(&ok3);
  if ( !ok1 || !ok2 || !ok3 ) qFatal(TQString("Cannot extract voltage value for \"%1\"").tqarg(type.key()));
  if ( data()->_voltages[type].min>data()->_voltages[type].max
       || data()->_voltages[type].nominal<data()->_voltages[type].min
       || data()->_voltages[type].nominal>data()->_voltages[type].max )
    qFatal("Inconsistent voltages order");
  return true;
}

bool getMemoryRange(MemoryRangeType type, TQDomElement element)
{
  TQDomElement range = findUniqueElement(element, "memory", "name", type.key());
  if ( range.isNull() ) return false;
  data()->_ranges[type].properties = Present;
  bool ok;
  uint nbCharsAddress = data()->nbCharsAddress();
  data()->_ranges[type].start = fromHexLabel(range.attribute("start"), nbCharsAddress, &ok);
  if ( !ok ) qFatal("Cannot extract start address");
  data()->_ranges[type].end = fromHexLabel(range.attribute("end"), nbCharsAddress, &ok);
  if ( !ok ) qFatal("Cannot extract end address");
  if ( data()->_ranges[type].end<data()->_ranges[type].start ) qFatal("Memory range end is before its start");
  uint nbCharsWord = data()->nbCharsWord(type);
  if ( data()->nbBitsWord(type)==0 ) qFatal(TQString("Architecture doesn't contain memory range %1").tqarg(type.key()));
  if ( type==MemoryRangeType::UserId ) {
    data()->_userIdRecommendedMask = fromHexLabel(range.attribute("rmask"), nbCharsWord, &ok);
    if ( !ok ) qFatal("Cannot extract rmask value for user id");
    if ( !data()->_userIdRecommendedMask.isInside(data()->mask(type)) ) qFatal(TQString("rmask is not inside mask %1 (%2)").tqarg(toHexLabel(data()->_userIdRecommendedMask, 8)).tqarg(toHexLabel(data()->mask(type), 8)));
  }
  if ( range.attribute("hexfile_offset")!="?" ) {
    data()->_ranges[type].properties |= Programmable;
    if ( !range.attribute("hexfile_offset").isEmpty() ) {
      data()->_ranges[type].hexFileOffset = fromHexLabel(range.attribute("hexfile_offset"), nbCharsAddress, &ok);
      if ( !ok ) qFatal("Cannot extract hexfile_offset");
    }
  }
  if ( type==MemoryRangeType::Cal && !data()->is18Family() ) {
    data()->_calibration.opcodeMask = fromHexLabel(range.attribute("cal_opmask"), nbCharsWord, &ok);
    if ( !ok ) qFatal("Cannot extract calibration opcode mask");
    data()->_calibration.opcode = fromHexLabel(range.attribute("cal_opcode"), nbCharsWord, &ok);
    if ( !ok ) qFatal("Cannot extract calibration opcode");
    if ( !data()->_calibration.opcode.isInside(data()->_calibration.opcodeMask) ) qFatal("Calibration opcode should be inside opcode mask");
    if ( !data()->_calibration.opcodeMask.isInside(data()->mask(type)) ) qFatal("Calibration mask should be inside opcode mask");
  }
  TQString wwa = range.attribute("word_write_align");
  TQString wea = range.attribute("word_erase_align");
  if ( type==MemoryRangeType::Code ) {
    if ( data()->_architecture==Architecture::P18F || data()->_architecture==Architecture::P18J ) {
      data()->_nbWordsCodeWrite = wwa.toUInt(&ok);
      if ( !ok || data()->_nbWordsCodeWrite==0 || (data()->_nbWordsCodeWrite%4)!=0 ) qFatal("Missing or malformed word write align");
      data()->_nbWordsCodeRowErase = wea.toUInt(&ok);
      if ( !ok || (data()->_nbWordsCodeRowErase%4)!=0 ) qFatal("Missing or malformed word erase align");
    } else {
      if ( !wwa.isEmpty() || !wea.isEmpty() ) qFatal("word align should not be defined for this device family/subfamily");
      data()->_nbWordsCodeWrite = 0; // #### TODO
      data()->_nbWordsCodeRowErase = 0; // #### TODO
    }
  } else if ( !wwa.isEmpty() || !wea.isEmpty() ) qFatal("word align should not be defined for this memory range");
  return true;
}

bool hasValue(const Pic::Config::Mask &mask, BitValue value)
{
  for (uint i=0; i<uint(mask.values.count()); i++)
    if ( mask.values[i].value==value ) return true;
  return false;
}

void processName(const Pic::Config::Mask &cmask, BitValue pmask, Pic::Config::Value &cvalue)
{
  TQStringList &cnames = cvalue.configNames[Pic::ConfigNameType::Default];
  if ( cvalue.name=="invalid" ) {
    cvalue.name = TQString();
    if ( !cnames.isEmpty() ) qFatal(TQString("No cname should be defined for invalid value in mask %1").tqarg(cmask.name));
    return;
  }
  if ( cvalue.name.isEmpty() ) qFatal(TQString("Empty value name in mask %1").tqarg(cmask.name));
  if ( cmask.value.isInside(pmask) ) { // protected bits
    if ( !cnames.isEmpty() ) qFatal(TQString("Config name should be null for protected config mask \"%1\"").tqarg(cmask.name));
  } else {
    if ( cnames.isEmpty() && cmask.name!="BSSEC" && cmask.name!="BSSIZ" && cmask.name!="SSSEC" && cmask.name!="SSSIZ" ) {
      // ### FIXME: 18J 24H 30F1010/202X
      if ( data()->architecture()!=Pic::Architecture::P18J && data()->architecture()!=Pic::Architecture::P24H
           && data()->architecture()!=Pic::Architecture::P24F && data()->architecture()!=Pic::Architecture::P33F
           && data()->name()!="30F1010" && data()->name()!="30F2020" && data()->name()!="30F2023" )
        qFatal(TQString("cname not defined for \"%1\" (%2)").tqarg(cvalue.name).tqarg(cmask.name));
    }
    if ( cnames.count()==1 && cnames[0]=="_" ) cnames.clear();
    for (uint i=0; i<uint(cnames.count()); i++) {
      if ( cnames[i].startsWith("0x") ) {
        if ( cnames.count()!=1 ) qFatal("Hex cname cannot be combined");
        bool ok;
        BitValue v = fromHexLabel(cnames[i], &ok);
        uint nbChars = data()->nbCharsWord(MemoryRangeType::Config);
        BitValue mask = cmask.value.complementInMask(maxValue(NumberBase::Hex, nbChars));
        if ( ok && v==(mask | cvalue.value) ) continue;
      } else if ( XOR(cnames[i].startsWith("_"), data()->architecture()==Pic::Architecture::P30F) ) continue;
      qFatal(TQString("Invalid config name for \"%1\"/\"%2\"").tqarg(cmask.name).tqarg(cvalue.name));
    }
    TQStringList &ecnames = cvalue.configNames[Pic::ConfigNameType::Extra];
    for (uint i=0; i<uint(ecnames.count()); i++)
      if ( ecnames[i][0]!='_'  ) qFatal(TQString("Invalid extra config name for %1").tqarg(cvalue.name));
  }
}

Pic::Config::Mask toConfigMask(TQDomElement mask, BitValue pmask)
{
  uint nbChars = data()->nbCharsWord(MemoryRangeType::Config);
  bool ok;
  TQString defName;
  TQMap<Pic::ConfigNameType, TQStringList> defConfigNames;
  Config::Mask cmask;
  cmask.name = mask.attribute("name");
  if ( !Config::hasMaskName(cmask.name) ) qFatal(TQString("Unknown mask name %1").tqarg(cmask.name));
  cmask.value = fromHexLabel(mask.attribute("value"), nbChars, &ok);
  if ( !ok || cmask.value==0 || cmask.value>data()->mask(MemoryRangeType::Config) )
    qFatal(TQString("Malformed mask value in mask %1").tqarg(mask.attribute("name")));
  //TQStringList names;
  TQDomNode child = mask.firstChild();
  while ( !child.isNull() ) {
    TQDomElement value = child.toElement();
    child = child.nextSibling();
    if ( value.isNull() ) continue;
    if ( value.nodeName()!="value" ) qFatal(TQString("Non value child in mask %1").tqarg(cmask.name));
    if ( value.attribute("value")=="default" ) {
      if ( !defName.isEmpty() ) qFatal(TQString("Default value already defined for mask %1").tqarg(cmask.name));
      defName = value.attribute("name");
      //if ( names.contains(defName) ) qFatal(TQString("Value name duplicated in mask %1").tqarg(cmask.name));
      //names.append(defName);
      FOR_EACH(Pic::ConfigNameType, type) defConfigNames[type] = TQStringList::split(' ', value.attribute(type.data().key));
      continue;
    }
    Config::Value cvalue;
    cvalue.value = fromHexLabel(value.attribute("value"), nbChars, &ok);
    if ( !ok || !cvalue.value.isInside(cmask.value) ) qFatal(TQString("Malformed value in mask %1").tqarg(cmask.name));
    cvalue.name = value.attribute("name");
    //if ( names.contains(cvalue.name) ) qFatal(TQString("Value name duplicated in mask %1").tqarg(cmask.name));
    //names.append(cvalue.name);
    FOR_EACH(Pic::ConfigNameType, type) cvalue.configNames[type] = TQStringList::split(' ', value.attribute(type.data().key));
    processName(cmask, pmask, cvalue);
    cmask.values.append(cvalue);
  }
  // add default values
  if ( !defName.isEmpty() ) {
    uint nb = 0;
    BitValue::const_iterator it;
    for (it=cmask.value.begin(); it!=cmask.value.end(); ++it) {
      if ( hasValue(cmask, *it) ) continue; // already set
      nb++;
      Config::Value cvalue;
      cvalue.value = *it;
      cvalue.name = defName;
      cvalue.configNames = defConfigNames;
      processName(cmask, pmask, cvalue);
      cmask.values.append(cvalue);
    }
    if ( nb<=1 ) qFatal(TQString("Default value used less than twice in mask %1").tqarg(cmask.name));
  }
  qHeapSort(cmask.values);
  return cmask;
}

Pic::Config::Word toConfigWord(TQDomElement config)
{
  uint nbChars = data()->nbCharsWord(MemoryRangeType::Config);
  Config::Word cword;
  cword.name = config.attribute("name");
  if ( cword.name.isNull() ) qFatal("Config word name not specified.");
  bool ok;
  cword.wmask = fromHexLabel(config.attribute("wmask"), nbChars, &ok);
  BitValue gmask = data()->mask(MemoryRangeType::Config);
  if ( !ok || cword.wmask>gmask ) qFatal(TQString("Missing or malformed config wmask \"%1\"").tqarg(config.attribute("wmask")));
  cword.bvalue = fromHexLabel(config.attribute("bvalue"), nbChars, &ok);
  if ( !ok ) qFatal(TQString("Missing or malformed config bvalue \"%1\"").tqarg(config.attribute("bvalue")));
  if ( config.attribute("pmask").isEmpty() ) cword.pmask = 0;
  else {
    bool ok;
    cword.pmask = fromHexLabel(config.attribute("pmask"), nbChars, &ok);
    if ( !ok || cword.pmask>gmask ) qFatal("Missing or malformed config pmask");
  }
  cword.ignoredCNames = TQStringList::split(' ', config.attribute("icnames"));
  for (uint i=0; i<uint(cword.ignoredCNames.count()); i++)
    if ( cword.ignoredCNames[i][0]!='_'  ) qFatal(TQString("Invalid ignored config name for %1").tqarg(cword.name));
  TQDomNode child = config.firstChild();
  while ( !child.isNull() ) {
    TQDomElement mask = child.toElement();
    child = child.nextSibling();
    if ( mask.isNull() ) continue;
    if ( mask.nodeName()!="mask" ) qFatal(TQString("Non mask child in config %1").tqarg(cword.name));
    if ( mask.attribute("name").isEmpty() ) qFatal(TQString("Empty mask name in config %1").tqarg(cword.name));
    Config::Mask cmask = toConfigMask(mask, cword.pmask);
    if ( !cmask.value.isInside(gmask) ) qFatal(TQString("Mask value not inside mask in config %1").tqarg(cword.name));
    for (uint i=0; i<uint(cword.masks.count()); i++) {
      if ( cword.masks[i].name==cmask.name ) qFatal(TQString("Duplicated mask name %1 in config %2").tqarg(cmask.name).tqarg(cword.name));
      if ( cmask.value.isOverlapping(cword.masks[i].value) ) qFatal(TQString("Overlapping masks in config %1").tqarg(cword.name));
    }
    cword.masks.append(cmask);
  }
  qHeapSort(cword.masks);
  BitValue mask = (cword.usedMask() | cword.bvalue).clearMaskBits(cword.pmask);
  if ( config.attribute("cmask").isEmpty() ) {
    if ( data()->_architecture==Pic::Architecture::P30F ) cword.cmask = cword.wmask;
    else cword.cmask = mask;
  } else {
    bool ok;
    cword.cmask = fromHexLabel(config.attribute("cmask"), nbChars, &ok);
    if ( !ok || cword.cmask>gmask ) qFatal("Missing or malformed config cmask");
    //if ( data()->_architecture==Pic::Architecture::P30X &&cword.cmask==cword.wmask ) qFatal(TQString("Redundant cmask in %1").tqarg(cword.name));
    if ( cword.cmask==mask ) qFatal(TQString("Redundant cmask in %1").tqarg(cword.name));
  }
  if ( !cword.pmask.isInside(cword.usedMask()) ) qFatal("pmask should be inside or'ed mask values.");
  return cword;
}

TQValueVector<Pic::Config::Word> getConfigWords(TQDomElement element)
{
  uint nbWords = data()->nbWords(MemoryRangeType::Config);
  TQValueVector<Config::Word> configWords(nbWords);
  TQDomNode child = element.firstChild();
  while ( !child.isNull() ) {
    TQDomElement config = child.toElement();
    child = child.nextSibling();
    if ( config.isNull() || config.nodeName()!="config" ) continue;
    bool ok;
    uint offset = fromHexLabel(config.attribute("offset"), 1, &ok);
    if ( !ok ) qFatal("Missing or malformed config offset");
    if ( (offset % data()->addressIncrement(MemoryRangeType::Config))!=0 ) qFatal("Config offset not aligned");
    offset /= data()->addressIncrement(MemoryRangeType::Config);
    if ( offset>=nbWords ) qFatal(TQString("Offset too big %1/%2").tqarg(offset).tqarg(nbWords));
    if ( !configWords[offset].name.isNull() ) qFatal(TQString("Config offset %1 is duplicated").tqarg(offset));
    for (uint i=0; i<nbWords; i++) {
      if ( !configWords[i].name.isNull() && configWords[i].name==config.attribute("name") )
        qFatal(TQString("Duplicated config name %1").tqarg(configWords[i].name));
    }
    configWords[offset] = toConfigWord(config);
  }
  return configWords;
}

TQString getChecksumData(TQDomElement checksum)
{
  Checksum::Data cdata;
  cdata.blankChecksum = 0x0;
  cdata.checkChecksum = 0x0;

  const Protection &protection = data()->_config->protection();
  TQString valueName;
  if ( protection.family()==Protection::BlockProtection ) {
    valueName = checksum.attribute("protected_blocks");
    bool ok;
    uint nb = valueName.toUInt(&ok);
    uint max = (protection.hasBootBlock() ? 1 : 0) + protection.nbBlocks();
    if ( !ok || nb>max ) qFatal("Invalid number of protected blocks for checksum");
    if ( nb>0 ) cdata.protectedMaskNames += "CPB";
    for (uint i=1; i<nb; i++) cdata.protectedMaskNames += "CP_" + TQString::number(i-1);
    cdata.bbsize = checksum.attribute("bbsize");
    const Config::Mask *mask = data()->_config->findMask(protection.bootSizeMaskName());
    if ( mask==0 ) {
      if ( !cdata.bbsize.isEmpty() ) qFatal("Device does not have a variable boot size (no \"bbsize\" allowed in checksum)");
    } else if ( cdata.bbsize.isEmpty() ) {
      if ( nb==1 ) qFatal("\"bbsize\" should be define in checksum for \"protected_blocks\"==1");
    } else {
      const Config::Value *value = data()->_config->findValue(protection.bootSizeMaskName(), cdata.bbsize);
      if ( value==0 ) qFatal("Invalid \"bbsize\" in checksum");
      valueName += "_" + cdata.bbsize;
    }
  } else {
    valueName = checksum.attribute("protected");
    if ( protection.family()==Protection::NoProtection && !valueName.isEmpty() )
      qFatal("Checksum protected attribute for device with no code protection");
  }
  if ( data()->_checksums.contains(valueName) ) qFatal("Duplicate checksum protected range");

  TQString s = checksum.attribute("constant");
  if ( s.isEmpty() ) cdata.constant = 0x0000;
  else {
    bool ok;
    cdata.constant = fromHexLabel(s, 4, &ok);
    if ( !ok ) qFatal("Malformed checksum constant");
  }

  s = checksum.attribute("type");
  if ( s.isEmpty() ) cdata.algorithm = Checksum::Algorithm::Normal;
  else {
    cdata.algorithm = Checksum::Algorithm::fromKey(s);
    if ( cdata.algorithm==Checksum::Algorithm::Nb_Types ) qFatal("Unrecognized checksum algorithm");
  }

  s = checksum.attribute("mprotected");
  if ( !s.isEmpty() ) {
    TQStringList list = TQStringList::split(" ", s);
    for (uint i=0; i<uint(list.count()); i++) {
      const Config::Mask *mask = data()->config().findMask(list[i]);
      if ( mask==0 ) qFatal(TQString("Not valid mask name for \"protected\" tag in checksum: %1").tqarg(list[i]));
      if ( mask->values.count()==2 ) continue;
      for (uint k=0; k<uint(mask->values.count()); k++) {
        TQString valueName = mask->values[k].name;
        if ( valueName.isEmpty() ) continue;
        if ( !protection.isNoneProtectedValueName(valueName) && !protection.isAllProtectedValueName(valueName) )
          qFatal(TQString("Not switch protection from mask name for \"protected\" tag in checksum: %1").tqarg(list[i]));
      }
    }
    cdata.protectedMaskNames = list;
  }

  s = checksum.attribute("bchecksum");
  if ( s.isEmpty() ) qFatal("No blank checksum");
  else {
    bool ok;
    cdata.blankChecksum = fromHexLabel(s, 4, &ok);
    if ( !ok ) qFatal("Malformed blank checksum");
  }

  s = checksum.attribute("cchecksum");
  if ( s.isEmpty() ) qFatal("No check checksum");
  else {
    bool ok;
    cdata.checkChecksum = fromHexLabel(s, 4, &ok);
    if ( !ok ) qFatal("Malformed check checksum");
  }

  data()->_checksums[valueName] = cdata;
  return valueName;
}

virtual void processDevice(TQDomElement device)
{
  Device::XmlToDataBase::processDevice(device);

  TQString arch = device.attribute("architecture");
  data()->_architecture = Architecture::fromKey(arch);
  if ( data()->_architecture==Architecture::Nb_Types ) qFatal(TQString("Unrecognized architecture \"%1\"").tqarg(arch));
  if ( (data()->_architecture==Architecture::P18F && data()->_name.contains("C"))
       || (data()->_architecture==Architecture::P18F && data()->_name.contains("J")) ) qFatal("Not matching family");

  bool ok;
  TQString pc = device.attribute("pc");
  data()->_nbBitsPC = data()->_architecture.data().nbBitsPC;
  if ( data()->_nbBitsPC==0 ) {
    data()->_nbBitsPC = pc.toUInt(&ok);
    if ( !ok || data()->_nbBitsPC==0 ) qFatal("Malformed or missing PC");
  } else if ( !pc.isEmpty() ) qFatal("No PC should be provided for this device architecture");

  TQString sw = device.attribute("self_write");
  data()->_selfWrite = (data()->_memoryTechnology!=Device::MemoryTechnology::Flash ? SelfWrite::No : data()->_architecture.data().selfWrite);
  if ( data()->_selfWrite==SelfWrite::Nb_Types ) {
    data()->_selfWrite = SelfWrite::fromKey(sw);
    if ( data()->_selfWrite==SelfWrite::Nb_Types ) qFatal("Malformed or missing self-write field");
  } else if ( !sw.isEmpty() ) qFatal("Self-write is set for the whole family or non-flash device");

  // device ids
  FOR_EACH(Device::Special, special) {
    TQString key = "id" + (special==Device::Special::Normal ? TQString() : TQString("_") + special.key());
    TQString id = device.attribute(key);
    if ( id.isEmpty() ) {
      if ( special==Device::Special::Normal ) data()->_ids[special] = 0x0000;
    } else {
      data()->_ids[special] = fromHexLabel(id, 4, &ok);
      if ( !ok ) qFatal("Malformed id");
    }
  }

  // voltages
  TQStringList names;
  FOR_EACH(ProgVoltageType, vtype) {
    names += vtype.key();
    if ( !getVoltages(vtype, device) ) {
      switch (vtype.type()) {
        case ProgVoltageType::Vpp:
        case ProgVoltageType::VddBulkErase: qFatal(TQString("Voltage \"%1\" not defined").tqarg(vtype.key()));
        case ProgVoltageType::VddWrite: data()->_voltages[ProgVoltageType::VddWrite] = data()->_voltages[ProgVoltageType::VddBulkErase]; break;
        case ProgVoltageType::Nb_Types: Q_ASSERT(false); break;
      }
    }
  }
  //if ( data()->vddMin()>data()->_voltages[ProgVoltageType::VddWrite].min ) qFatal("Vdd min higher than VddWrite min");
  //if ( data()->vddMax()<data()->_voltages[ProgVoltageType::VddWrite].max ) qFatal("Vdd max lower than VddWrite max");
  if ( data()->_voltages[ProgVoltageType::VddWrite].min>data()->_voltages[ProgVoltageType::VddBulkErase].min ) qFatal("VddWrite min higher than VddBulkErase min");
  if ( data()->_voltages[ProgVoltageType::VddWrite].max<data()->_voltages[ProgVoltageType::VddBulkErase].max ) qFatal("VddWrite max lower than VddBulkErase max");
  checkTagNames(device, "voltages", names);

  // memory ranges
  names.clear();
  FOR_EACH(MemoryRangeType, i) {
    names += i.key();
    if ( !getMemoryRange(i, device) ) continue;
     if ( !(data()->_ranges[i].properties & Programmable) ) continue;
    for(MemoryRangeType k; k<i; ++k) {
      if ( !(data()->_ranges[k].properties & Present)
           || !(data()->_ranges[k].properties & Programmable) ) continue;
      if ( i==MemoryRangeType::DebugVector
           && k==MemoryRangeType::ProgramExecutive ) continue;
      if ( k==MemoryRangeType::DebugVector
           && i==MemoryRangeType::ProgramExecutive ) continue;
      Address start1 = data()->_ranges[k].start + data()->_ranges[k].hexFileOffset;
      Address end1 = data()->_ranges[k].end + data()->_ranges[k].hexFileOffset;
      Address start2 = data()->_ranges[i].start + data()->_ranges[i].hexFileOffset;
      Address end2 = data()->_ranges[i].end + data()->_ranges[i].hexFileOffset;
      if ( end1>=start2 && start1<=end2 )
        qFatal(TQString("Overlapping memory ranges (%1 and %2)").tqarg(k.key()).tqarg(i.key()));
    }
  }
  checkTagNames(device, "memory", names);
  if ( XOR(data()->_ids[Device::Special::Normal]!=0x0000, (data()->_ranges[MemoryRangeType::DeviceId].properties & Present)) )
    qFatal("Id present and device id memory range absent or the opposite");

  // config words
  TQValueVector<Config::Word> cwords = getConfigWords(device);
  uint nbWords = data()->nbWords(MemoryRangeType::Config);
  data()->_config->_words.resize(nbWords);
  FOR_EACH(Pic::ConfigNameType, type) {
    TQMap<TQString, TQString> cnames; // cname -> mask name
    for (uint i=0; i<nbWords; i++) {
      if ( cwords[i].name.isNull() ) qFatal(TQString("Config word #%1 not defined").tqarg(i));
      data()->_config->_words[i] = cwords[i];
      const Config::Word &word = data()->_config->_words[i];
      for (uint j=0; j<uint(word.masks.count()); j++) {
        const Config::Mask &mask = word.masks[j];
        for (uint k=0; k<uint(mask.values.count()); k++) {
          const TQStringList &vcnames = mask.values[k].configNames[type];
          for (uint l=0; l<uint(vcnames.count()); l++) {
            if ( vcnames[l].startsWith("0x") ) continue;
            if ( cnames.contains(vcnames[l]) && cnames[vcnames[l]]!=mask.name )
              qFatal(TQString("Duplicated config name for %1/%2").tqarg(mask.name).tqarg(mask.values[k].name));
            cnames[vcnames[l]] = word.masks[j].name;
          }
        }
      }
    }
  }
  // check validity of value names
  for (uint i=0; i<nbWords; i++) {
    const Config::Word &word = data()->_config->_words[i];
    for (uint j=0; j<uint(word.masks.count()); j++) {
      const Config::Mask &mask = word.masks[j];
      for (uint k=0; k<uint(mask.values.count()); k++) {
        const Config::Value &value = mask.values[k];
        if ( !value.isValid() ) continue;
        if ( !data()->_config->checkValueName(mask.name, value.name) )
          qFatal(TQString("Malformed value name \"%1\" in mask %2").tqarg(value.name).tqarg(mask.name));
      }
    }
  }
  // check if all values are explicit
  for (uint i=0; i<nbWords; i++) {
    const Config::Word &word = data()->_config->_words[i];
    for (uint j=0; j<uint(word.masks.count()); j++) {
      const Config::Mask &mask = word.masks[j];
      BitValue::const_iterator it;
      for (it=mask.value.begin(); it!=mask.value.end(); ++it)
        if ( !hasValue(mask, *it) ) qFatal(TQString("Value %1 not defined in mask %2").tqarg(toHexLabel(*it, data()->nbCharsWord(MemoryRangeType::Config))).tqarg(mask.name));
    }
  }

  // checksums (after config bits!)
  TQDomElement checksums = findUniqueElement(device, "checksums", TQString(), TQString());
  if ( checksums.isNull() ) {
    // qFatal("No checksum defined"); // #### FIXME
  } else {
    TQMap<TQString, bool> valueNames;
    const Pic::Protection &protection = data()->_config->protection();
    if ( protection.family()==Protection::BasicProtection ) {
      TQString maskName = protection.maskName(Protection::ProgramProtected, MemoryRangeType::Code);
      const Pic::Config::Mask *mask = data()->_config->findMask(maskName);
      Q_ASSERT(mask);
      for (uint i=0; i<uint(mask->values.count()); i++) valueNames[mask->values[i].name] = false;
    }
    TQDomNode child = checksums.firstChild();
    while ( !child.isNull() ) {
      if ( !child.isElement() ) continue;
      if ( child.nodeName()!="checksum" ) qFatal("Childs of \"checksums\" should \"checksum\"");
      TQString valueName = getChecksumData(child.toElement());
      if ( protection.family()==Protection::BasicProtection ) {
        if ( !valueNames.contains(valueName) ) qFatal("Unknown protected attribute");
        valueNames[valueName] = true;
      }
      child = child.nextSibling();
    }
    TQMap<TQString, bool>::const_iterator it;
    for (it=valueNames.begin(); it!=valueNames.end(); ++it)
      if ( !it.key().isEmpty() && !it.data() ) qFatal(TQString("Missing checksum \"%1\"").tqarg(it.key()));
  }
}

void processMirrored(TQDomElement element)
{
  TQValueVector<RangeData> mirrored;
  TQDomNode child = element.firstChild();
  while ( !child.isNull() ) {
    if ( !child.isElement() ) qFatal("\"mirror\" child should be an element");
    TQDomElement e = child.toElement();
    if ( e.nodeName()!="range" ) qFatal("\"mirror\" child should be \"range\"");
    RangeData rd;
    bool ok;
    rd.start = fromHexLabel(e.attribute("start"), &ok);
    Address end = fromHexLabel(e.attribute("end"), &ok);
    rd.length = end-rd.start+1;
    if ( !mirrored.isEmpty() && rd.length!=mirrored[0].length )
      qFatal("Mirrored are not of the same length");
    mirrored.append(rd);
    child = child.nextSibling();
  }
  if ( !mirrored.isEmpty() ) static_cast<RegistersData *>(data()->_registersData)->mirrored.append(mirrored);
}

void processUnused(TQDomElement e)
{
  RangeData rd;
  bool ok;
  rd.start = fromHexLabel(e.attribute("start"), &ok);
  if (!ok) qFatal("Malformed start for unused register");
  Address end = fromHexLabel(e.attribute("end"), &ok);
  rd.length = end-rd.start+1;
  if (!ok) qFatal("Malformed end for unused register");
  static_cast<RegistersData *>(data()->_registersData)->unused.append(rd);
}

void processSfr(TQDomElement e)
{
  TQString name = e.attribute("name");
  if ( name.isEmpty() ) qFatal("SFR cannot have empty name");
  if ( data()->registersData().sfrs.contains(name) || data()->registersData().combined.contains(name) )
    qFatal("SFR name is duplicated");
  bool ok;
  uint address = fromHexLabel(e.attribute("address"), &ok);
  if ( !ok ) qFatal(TQString("SFR %1 address %2 is malformed").tqarg(name).tqarg(e.attribute("address")));
  uint rlength = data()->registersData().nbBanks * data()->architecture().data().registerBankLength;
  if ( address>=rlength ) qFatal(TQString("Address %1 outside register range").tqarg(toHexLabel(address, 3)));
  RegisterData rdata;
  rdata.address = address;
  uint nb = data()->registersData().nbBits();
  if ( nb>Device::MAX_NB_PORT_BITS ) qFatal(TQString("Need higher MAX_NB_PORT_BITS: %1").tqarg(nb));
  TQString access = e.attribute("access");
  if ( uint(access.length())!=nb ) qFatal("access is missing or malformed");
  TQString mclr = e.attribute("mclr");
  if ( uint(mclr.length())!=nb ) qFatal("mclr is missing or malformed");
  TQString por = e.attribute("por");
  if ( uint(por.length())!=nb ) qFatal("por is missing or malformed");
  for (uint i=0; i<nb; i++) {
    uint k = nb - i - 1;
    bool ok;
    rdata.bits[k].properties = RegisterBitProperties(fromHex(access[i].latin1(), &ok));
    if ( !ok || rdata.bits[k].properties>MaxRegisterBitProperty ) qFatal(TQString("Malformed access bit %1").tqarg(k));
    rdata.bits[k].mclr = RegisterBitState(fromHex(mclr[i].latin1(), &ok));
    if ( !ok || rdata.bits[k].mclr>Nb_RegisterBitStates ) qFatal(TQString("Malformed mclr bit %1").tqarg(k));
    rdata.bits[k].por = RegisterBitState(fromHex(por[i].latin1(), &ok));
    if ( !ok || rdata.bits[k].por>Nb_RegisterBitStates ) qFatal(TQString("Malformed por bit %1").tqarg(k));
  }
  static_cast<RegistersData *>(data()->_registersData)->sfrs[name] = rdata;
}

void processCombined(TQDomElement e)
{
  TQString name = e.attribute("name");
  if ( name.isEmpty() ) qFatal("Combined register cannot have empty name");
  if ( data()->registersData().sfrs.contains(name) || data()->registersData().combined.contains(name) )
    qFatal("Combined register name is duplicated");
  bool ok;
  CombinedData rdata;
  rdata.address = fromHexLabel(e.attribute("address"), &ok);
  if ( !ok ) qFatal(TQString("Combined %1 address %2 is malformed").tqarg(name).tqarg(e.attribute("address")));
  uint rlength = data()->registersData().nbBanks * data()->architecture().data().registerBankLength;
  if ( rdata.address>=rlength ) qFatal(TQString("Address %1 outside register range").tqarg(toHexLabel(rdata.address, 3)));
  rdata.nbChars = 2*e.attribute("size").toUInt(&ok);
  if ( !ok || rdata.nbChars<2 ) qFatal(TQString("Combined %1 size %2 is malformed").tqarg(name).tqarg(e.attribute("size")));
  Address end = rdata.address + rdata.nbChars/2 - 1;
  if ( end>=rlength ) qFatal(TQString("Address %1 outside register range").tqarg(toHexLabel(end, 3)));
  static_cast<RegistersData *>(data()->_registersData)->combined[name] = rdata;
}

void processDeviceRegisters(TQDomElement element)
{
  TQString s = element.attribute("same_as");
  if ( !s.isEmpty() ) {
    if ( !_map.contains(s) ) qFatal(TQString("Registers same as unknown device %1").tqarg(s));
    const Pic::Data *d = static_cast<const Pic::Data *>(_map[s]);
    data()->_registersData = d->_registersData;
    return;
  }

  RegistersData &rdata = *static_cast<RegistersData *>(data()->_registersData);
  bool ok;
  rdata.nbBanks = element.attribute("nb_banks").toUInt(&ok);
  if ( !ok || data()->registersData().nbBanks==0 ) qFatal("Malformed number of banks");
  if ( data()->is18Family() ) {
    rdata.accessBankSplit = fromHexLabel(element.attribute("access_bank_split_offset"), &ok);
    if ( !ok || rdata.accessBankSplit==0 || rdata.accessBankSplit>=0xFF ) qFatal("Malformed access bank split offset");
    rdata.unusedBankMask = fromHexLabel(element.attribute("unused_bank_mask"), &ok);
    if ( !ok || rdata.unusedBankMask>=maxValue(NumberBase::Hex, rdata.nbBanks) ) qFatal("Malformed access unused bank mask");
  } else {
    rdata.accessBankSplit = 0;
    rdata.unusedBankMask = 0;
  }

  TQDomNode child = element.firstChild();
  while ( !child.isNull() ) {
    if ( !child.isElement() ) qFatal("\"device\" child should be an element");
    TQDomElement e = child.toElement();
    if ( e.nodeName()=="mirror" ) processMirrored(e);
    else if ( e.nodeName()=="unused" ) processUnused(e);
    else if ( e.nodeName()=="combined" ) processCombined(e);
    else if ( e.nodeName()=="sfr" ) processSfr(e);
    else qFatal(TQString("Node name \"%1\" is not recognized").tqarg(e.nodeName()));
    child = child.nextSibling();
  }

  for (uint i=0; i<Device::MAX_NB_PORTS; i++) {
    TQString portname = rdata.portName(i);
    if ( portname.isEmpty() ) break;
    bool hasPort = rdata.sfrs.contains(portname);
    TQString trisname = rdata.trisName(i);
    if ( trisname.isEmpty() ) continue;
    bool hasTris = rdata.sfrs.contains(trisname);
    if ( !hasPort && hasTris ) qFatal(TQString("%1 needs %2 to be present").tqarg(trisname).tqarg(portname));
    TQString latchname = rdata.latchName(i);
    if ( latchname.isEmpty() ) continue;
    bool hasLatch = rdata.sfrs.contains(latchname);
    if ( !hasPort && hasLatch ) qFatal(TQString("%1 needs %2 to be present").tqarg(latchname).tqarg(portname));
  }
}

void processRegistersFile(const TQString &filename, TQStringList &devices)
{
  TQDomDocument doc = parseFile(filename);
  TQDomElement root = doc.documentElement();
  if ( root.nodeName()!="registers" ) qFatal("root node should be \"registers\"");
  for (TQDomNode child=root.firstChild(); !child.isNull(); child = child.nextSibling()) {
    if ( child.isComment() ) qDebug("comment: %s", child.toComment().data().latin1());
    else {
      if ( !child.isElement() ) qFatal("\"registers\" child should be an element");
      if ( child.nodeName()!="device" ) qFatal("Device node should be named \"device\"");
      TQDomElement device = child.toElement();
      TQString name = device.attribute("name");
      if ( devices.contains(name) ) qFatal(TQString("Registers already defined for %1").tqarg(name));
      if ( _map.contains(name) ) {
        _data = _map[name];
        processDeviceRegisters(device);
        devices.append(name);
      }
    }
  }
}

void processRegisters()
{
  TQStringList devices;
  processRegistersFile("registers/registers.xml", devices);
  processRegistersFile("registers/registers_missing.xml", devices);

  // check if we miss any register description
  TQMap<TQString, Device::Data *>::const_iterator it = _map.begin();
  for (; it!=_map.end(); ++it) {
    _data = it.data();
    if ( !devices.contains(it.key()) ) qWarning("Register description not found for %s", it.key().latin1());
  }
}

virtual void checkPins(const TQMap<TQString, uint> &pinLabels) const
{
  if ( !pinLabels.contains("VDD") ) qFatal("No VDD pin specified");
  if ( !pinLabels.contains("VSS") ) qFatal("No VSS pin specified");
  TQMap<TQString, uint>::const_iterator it;
  for (it=pinLabels.begin(); it!=pinLabels.end(); ++it) {
    if ( it.key()=="VDD" || it.key()=="VSS" || it.key().startsWith("CCP") ) continue;
    if ( it.data()!=1 ) qFatal(TQString("Duplicated pin \"%1\"").tqarg(it.key()));
  }
  const Pic::RegistersData &rdata = static_cast<const Pic::RegistersData &>(*_data->registersData());
  for (uint i=0; i<Device::MAX_NB_PORTS; i++) {
    if ( !rdata.hasPort(i) ) continue;
    for (uint k=0; k<Device::MAX_NB_PORT_BITS; k++) {
      if ( !rdata.hasPortBit(i, k) ) continue;
      TQString name = rdata.portBitName(i, k);
      if ( !pinLabels.contains(name) ) qFatal(TQString("Pin \"%1\" not present").tqarg(name));
    }
  }
}

virtual void parse()
{
  Device::XmlToDataBase::parse();
  processRegisters();
}

}; // class Pic::XmlToData

} // namespace

//-----------------------------------------------------------------------------
XML_MAIN(Pic::XmlToData)