1 files changed, 287 insertions, 0 deletions
diff --git a/src/devices/pic/base/pic_register.cpp b/src/devices/pic/base/pic_register.cpp
new file mode 100644
index 0000000..fcfe5ef
--- /dev/null
+++ b/src/devices/pic/base/pic_register.cpp
@@ -0,0 +1,287 @@
+/***************************************************************************
+ *   Copyright (C) 2006 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 "pic_register.h"
+
+#include "pic.h"
+
+//-----------------------------------------------------------------------------
+Pic::RegistersData::RegistersData(const Data &data)
+  : nbBanks(0), accessBankSplit(0), _data(data)
+{}
+
+Address Pic::RegistersData::mirroredAddress(Address address) const
+{
+  Address mirror = address;
+  for (uint i=0; i<uint(mirrored.count()); i++) {
+    int delta = -1;
+    for (uint k=0; k<uint(mirrored[i].count()); k++) {
+      if ( address<mirrored[i][k].start
+           || address>=mirrored[i][k].start+mirrored[i][k].length ) continue;
+      delta = address - mirrored[i][k].start;
+      break;
+    }
+    if ( delta==-1 ) continue;
+    for (uint k=0; k<uint(mirrored[i].count()); k++)
+      mirror = QMIN(mirrored[i][k].start + delta, mirror);
+    break;
+  }
+  return mirror;
+}
+
+Device::RegisterProperties Pic::RegistersData::properties(Address address) const
+{
+  switch ( type(address) ) {
+    case Mirrored:
+    case UnusedRegister: return Device::NotAccessible;
+    case Gpr: return (Device::Readable | Device::Writable);
+    case Sfr: {
+      Device::RegisterProperties properties = Device::NotAccessible;
+      RegisterBitProperties rbp = RegisterBitUnused;
+      QMap<QString, RegisterData>::const_iterator it;
+      for (it=sfrs.begin(); it!=sfrs.end(); ++it) {
+        if ( it.data().address!=address ) continue;
+        for (uint i=0; i<Device::MAX_NB_PORT_BITS; i++) rbp |= it.data().bits[i].properties;
+        if ( rbp & RegisterBitRead ) properties |= Device::Readable;
+        if ( rbp & RegisterBitWrite ) properties |= Device::Writable;
+        break;
+      }
+      return properties;
+    }
+  }
+  Q_ASSERT(false);
+  return Device::NotAccessible;
+}
+
+Pic::RegisterType Pic::RegistersData::type(Address address) const
+{
+  for (uint i=0; i<uint(unused.count()); i++)
+    if ( address>=unused[i].start && address<unused[i].start+unused[i].length ) return UnusedRegister;
+  if ( !sfrNames[address].isEmpty() ) return Sfr;
+  Address mirror = mirroredAddress(address);
+  if ( !sfrNames[mirror].isEmpty() ) return Mirrored;
+  if ( address==mirror ) return Gpr;
+  return Mirrored;
+}
+
+QString Pic::RegistersData::label(Address address) const
+{
+  switch ( type(address) ) {
+    case UnusedRegister: return "---";
+    case Mirrored: return i18n("Mirror of %1").arg(toHexLabel(mirroredAddress(address), nbCharsAddress()));
+    case Gpr: return "<GPR>";
+    case Sfr: return sfrNames[address];
+  }
+  Q_ASSERT(false);
+  return QString::null;
+}
+
+bool Pic::RegistersData::hasPort(uint index) const
+{
+  Q_ASSERT( index<Device::MAX_NB_PORTS );
+  if ( sfrs.contains("GPIO") ) return ( index==0 );
+  if ( !sfrs.contains(portName(index)) ) return false;
+  return true;
+}
+
+int Pic::RegistersData::portIndex(Address address) const
+{
+  QString name = sfrNames[address];
+  if ( name.isEmpty() ) return -1;
+  for (uint i=0; i<Device::MAX_NB_PORTS; i++) {
+    if ( !hasPort(i) ) continue;
+    if ( name==portName(i) || name==trisName(i) || name==latchName(i) ) return i;
+  }
+  return -1;
+}
+
+bool Pic::RegistersData::hasPortBit(uint index, uint bit) const
+{
+  if ( !hasPort(index) ) return false;
+  const RegisterData &port = sfrs[portName(index)];
+  return ( port.bits[bit].properties!=RegisterBitUnused );
+}
+
+QString Pic::RegistersData::portName(uint index) const
+{
+  if ( sfrs.contains("GPIO") ) {
+    if ( index!=0 ) return QString::null;
+    return "GPIO";
+  }
+  return QString("PORT") + char('A' + index);
+}
+
+QString Pic::RegistersData::trisName(uint index) const
+{
+  if ( sfrs.contains("GPIO") ) {
+    if ( index!=0 ) return QString::null;
+    return "TRISIO";
+  }
+  if ( _data.architecture()==Architecture::P17C ) {
+    if ( index==0 ) return QString::null;
+    return QString("DDR") + char('A' + index);
+  }
+  return QString("TRIS") + char('A' + index);
+}
+
+bool Pic::RegistersData::hasTris(uint index) const
+{
+  QString name = trisName(index);
+  if ( name.isEmpty() ) return false;
+  return sfrs.contains(name);
+}
+
+QString Pic::RegistersData::latchName(uint index) const
+{
+  if ( _data.architecture()==Architecture::P10X || _data.architecture()==Architecture::P16X || _data.architecture()==Architecture::P17C )
+    return QString::null;
+  return QString("LAT") + char('A' + index);
+}
+
+bool Pic::RegistersData::hasLatch(uint index) const
+{
+  QString name = latchName(index);
+  if ( name.isEmpty() ) return false;
+  return sfrs.contains(name);
+}
+
+QString Pic::RegistersData::portBitName(uint index, uint bit) const
+{
+  if ( sfrs.contains("GPIO") ) return QString("GP") + QString::number(bit);
+  return QString("R") + char('A' + index) + QString::number(bit);
+}
+
+QValueList<Register::TypeData> Pic::RegistersData::relatedRegisters(const Register::TypeData &data) const
+{
+  QValueList<Register::TypeData> list;
+  if ( data.type()==Register::Regular ) {
+    int i = portIndex(data.address());
+    if ( i==-1 ) list.append(data);
+    else {
+      list.append(Register::TypeData(sfrs[portName(i)].address, nbChars()));
+      if ( hasTris(i) ) list.append(Register::TypeData(sfrs[trisName(i)].address, nbChars()));
+      if ( hasLatch(i) ) list.append(Register::TypeData(sfrs[latchName(i)].address, nbChars()));
+    }
+  } else if ( data.type()==Register::Combined ) {
+    uint nb = nbBitsToNbBytes(4*data.nbChars()) / nbBytes();
+    for (uint i=0; i<nb; i++) list.append(Register::TypeData(data.address() + i*nbBytes(), nbChars()));
+  } else list.append(data);
+  return list;
+}
+
+bool Pic::RegistersData::isBankUsed(uint i) const
+{
+  Q_ASSERT( i<nbBanks );
+  return !(unusedBankMask & (1 << i));
+}
+
+bool Pic::RegistersData::bankHasSfrs(uint i) const
+{
+  if ( i==0 ) return true;
+  if ( (_data.architecture()==Pic::Architecture::P18F || _data.architecture()==Pic::Architecture::P18J) && i==15 ) return true;
+  if ( !isBankUsed(i) ) return false;
+  QMap<Address, QString>::const_iterator it;
+  for (it=sfrNames.begin(); it!=sfrNames.end(); ++it)
+    if ( bankFromAddress(it.key())==i ) return true;
+  return false;
+}
+
+bool Pic::RegistersData::hasSharedGprs(uint &firstIndex, bool &all) const
+{
+  bool ok = false;
+  all = true;
+  for (uint i=0; i<nbRegistersPerBank(); i++) {
+    Address address = addressFromIndex(i);
+    if ( type(address)!=Gpr ) continue;
+    uint k = 1;
+    for (; k<nbBanks; k++) {
+      RegisterType t = type(address + k*nbBytesPerBank());
+      if ( t!=Mirrored ) break;
+    }
+    if ( k==nbBanks ) {
+      if ( !ok ) firstIndex = i;
+      ok = true;
+    } else all = false;
+  }
+  return ok;
+}
+
+uint Pic::RegistersData::firstGprIndex() const
+{
+  for (uint i=0; i<nbRegistersPerBank(); i++)
+    if ( type(addressFromIndex(i))==Gpr ) return i;
+  Q_ASSERT(false);
+  return 0;
+}
+
+//----------------------------------------------------------------------------
+QDataStream &Pic::operator <<(QDataStream &s, const RangeData &rd)
+{
+  s << rd.start << rd.length;
+  return s;
+}
+QDataStream &Pic::operator >>(QDataStream &s, RangeData &rd)
+{
+  s >> rd.start >> rd.length;
+  return s;
+}
+
+QDataStream &Pic::operator <<(QDataStream &s, const RegisterBitData &rbd)
+{
+  s << Q_UINT8(rbd.properties) << Q_UINT8(rbd.por) << Q_UINT8(rbd.mclr);
+  return s;
+}
+QDataStream &Pic::operator >>(QDataStream &s, RegisterBitData &rbd)
+{
+  Q_UINT8 properties, por, mclr;
+  s >> properties >> por >> mclr;
+  rbd.properties = RegisterBitProperties(properties);
+  rbd.por = RegisterBitState(por);
+  rbd.mclr = RegisterBitState(mclr);
+  return s;
+}
+
+QDataStream &Pic::operator <<(QDataStream &s, const RegisterData &rd)
+{
+  s << rd.address;
+  for (int i=0; i<Device::MAX_NB_PORT_BITS; i++) s << rd.bits[i];
+  return s;
+}
+QDataStream &Pic::operator >>(QDataStream &s, RegisterData &rd)
+{
+  s >> rd.address;
+  for (int i=0; i<Device::MAX_NB_PORT_BITS; i++) s >> rd.bits[i];
+  return s;
+}
+
+QDataStream &Pic::operator <<(QDataStream &s, const CombinedData &rd)
+{
+  s << rd.address << rd.nbChars;
+  return s;
+}
+QDataStream &Pic::operator >>(QDataStream &s, CombinedData &rd)
+{
+  s >> rd.address >> rd.nbChars;
+  return s;
+}
+
+QDataStream &Pic::operator <<(QDataStream &s, const RegistersData &rd)
+{
+  s << rd.nbBanks << rd.accessBankSplit << rd.unusedBankMask;
+  s << rd.sfrs << rd.mirrored << rd.unused << rd.combined;
+  return s;
+}
+QDataStream &Pic::operator >>(QDataStream &s, RegistersData &rd)
+{
+  s >> rd.nbBanks >> rd.accessBankSplit >> rd.unusedBankMask;
+  s >> rd.sfrs >> rd.mirrored >> rd.unused >> rd.combined;
+  rd.sfrNames.clear();
+  QMap<QString, RegisterData>::const_iterator it;
+  for(it=rd.sfrs.begin(); it!=rd.sfrs.end(); ++it) rd.sfrNames[it.data().address] = it.key();
+  return s;
+}