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/***************************************************************************
* 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. *
***************************************************************************/
#ifndef PIC_REGISTER_H
#define PIC_REGISTER_H
#include <qmap.h>
#include "devices/base/register.h"
#include "pic.h"
namespace Pic
{
class Data;
struct RangeData {
Address start;
uint length;
};
//-----------------------------------------------------------------------------
enum RegisterType { UnusedRegister, Sfr, Gpr, Mirrored};
enum RegisterBitProperty { RegisterBitUnused = 0x0,
RegisterBitRead = 0x1, RegisterBitWrite = 0x2,
RegisterBitOnlySoftwareClear = 0x4, RegisterBitOnlySoftwareSet = 0x8,
MaxRegisterBitProperty = 0x15
};
Q_DECLARE_FLAGS(RegisterBitProperties, RegisterBitProperty)
Q_DECLARE_OPERATORS_FOR_FLAGS(RegisterBitProperties)
enum RegisterBitState { RegisterBitUnknown = 0, RegisterBitLow, RegisterBitHigh,
RegisterBitUnchanged, RegisterBitDepends, RegisterBitDependsConfig, Nb_RegisterBitStates
};
//-----------------------------------------------------------------------------
class RegisterBitData
{
public:
RegisterBitData() : properties(RegisterBitUnused) {}
RegisterBitProperties properties;
RegisterBitState por, mclr;
};
struct RegisterData
{
Address address;
RegisterBitData bits[Device::MAX_NB_PORT_BITS];
};
struct CombinedData
{
Address address;
uint nbChars;
};
class RegistersData : public Device::RegistersData
{
public:
RegistersData(const Data &data);
virtual uint nbBits() const { return _data.architecture().data().nbBitsRegister; }
uint nbBytesPerBank() const { return _data.architecture().data().registerBankLength; }
uint nbRegistersPerBank() const { return nbBytesPerBank() / nbBytes(); }
uint nbCharsAddress() const { return ::nbChars(nbRegisters() - 1); }
virtual uint nbRegisters() const { return nbBanks * nbRegistersPerBank(); }
virtual uint addressFromIndex(uint i) const { return nbBytes() * i; }
virtual uint indexFromAddress(Address address) const { return address.toUInt() / nbBytes(); }
bool isBankUsed(uint i) const;
uint bankFromAddress(Address address) const { return indexFromAddress(address) / nbRegistersPerBank(); }
bool bankHasSfrs(uint i) const; // slow
bool hasSharedGprs(uint &firstIndex, bool &all) const; // i.e. mirrored in all banks (all is for first bank only)
uint firstGprIndex() const; // in first bank
uint nbBanks, accessBankSplit, unusedBankMask;
QMap<QString, RegisterData> sfrs;
QMap<Address, QString> sfrNames; // address -> name
QValueVector<QValueVector<RangeData> > mirrored;
QValueVector<RangeData> unused;
QMap<QString, CombinedData> combined;
virtual Device::RegisterProperties properties(Address address) const;
RegisterType type(Address address) const;
QString label(Address address) const;
virtual QValueList<Register::TypeData> relatedRegisters(const Register::TypeData &data) const;
virtual bool hasPort(uint index) const;
virtual int portIndex(Address address) const;
virtual QString portName(uint index) const;
bool hasTris(uint index) const;
QString trisName(uint index) const;
bool hasLatch(uint index) const;
QString latchName(uint index) const;
virtual bool hasPortBit(uint index, uint bit) const;
virtual QString portBitName(uint index, uint bit) const;
private:
const Data &_data;
Address mirroredAddress(Address address) const;
};
//-----------------------------------------------------------------------------
QDataStream &operator <<(QDataStream &s, const RangeData &rd);
QDataStream &operator >>(QDataStream &s, RangeData &rd);
QDataStream &operator <<(QDataStream &s, const RegisterBitData &rbd);
QDataStream &operator >>(QDataStream &s, RegisterBitData &rbd);
QDataStream &operator <<(QDataStream &s, const RegisterData &rd);
QDataStream &operator >>(QDataStream &s, RegisterData &rd);
QDataStream &operator <<(QDataStream &s, const CombinedData &rd);
QDataStream &operator >>(QDataStream &s, CombinedData &rd);
QDataStream &operator <<(QDataStream &s, const RegistersData &rd);
QDataStream &operator >>(QDataStream &s, RegistersData &rd);
} // namespace
#endif
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