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2310 lines
51 KiB
2310 lines
51 KiB
/***************************************************************************
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* Copyright (C) 2004-2005 by Daniel Clarke <daniel.jc@gmail.com> *
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* 2005 by David Saxton <david@bluehaze.org> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#include "instruction.h"
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#include "optimizer.h"
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#include "pic14.h"
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#include <kdebug.h>
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#include <tqstringlist.h>
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#include <assert.h>
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#include <iostream>
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using namespace std;
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//BEGIN class Register
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Register::Register( Type type )
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{
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m_type = type;
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switch ( m_type )
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{
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case TMR0:
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m_name = "TMR0";
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break;
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case OPTION_REG:
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m_name = "OPTION_REG";
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break;
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case PCL:
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m_name = "PCL";
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break;
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case STATUS:
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m_name = "STATUS";
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break;
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case FSR:
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m_name = "FSR";
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break;
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case PORTA:
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m_name = "PORTA";
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break;
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case TRISA:
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m_name = "TRISA";
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break;
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case PORTB:
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m_name = "PORTB";
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break;
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case TRISB:
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m_name = "TRISB";
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break;
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case EEDATA:
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m_name = "EEDATA";
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break;
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case EECON1:
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m_name = "EECON1";
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break;
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case EEADR:
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m_name = "EEADR";
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break;
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case EECON2:
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m_name = "EECON2";
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break;
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case PCLATH:
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m_name = "PCLATH";
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break;
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case INTCON:
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m_name = "INTCON";
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break;
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case WORKING:
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m_name = "<working>";
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break;
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case GPR:
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case none:
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break;
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}
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}
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Register::Register( const TQString & name )
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{
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m_name = name.stripWhiteSpace();
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TQString upper = m_name.upper();
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if ( upper == "TMR0" )
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m_type = TMR0;
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else if ( upper == "OPTION_REG" )
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m_type = OPTION_REG;
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else if ( upper == "PCL" )
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m_type = PCL;
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else if ( upper == "STATUS")
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m_type = STATUS;
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else if ( upper == "FSR")
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m_type = FSR;
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else if ( upper == "PORTA")
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m_type = PORTA;
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else if ( upper == "TRISA")
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m_type = TRISA;
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else if ( upper == "PORTB")
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m_type = PORTB;
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else if ( upper == "TRISB")
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m_type = TRISB;
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else if ( upper == "EEDATA")
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m_type = EEDATA;
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else if ( upper == "EECON1")
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m_type = EECON1;
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else if ( upper == "EEADR")
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m_type = EEADR;
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else if ( upper == "EECON2")
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m_type = EECON2;
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else if ( upper == "PCLATH")
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m_type = PCLATH;
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else if ( upper == "INTCON")
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m_type = INTCON;
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else
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m_type = GPR;
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}
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Register::Register( const char * name )
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{
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*this = Register( TQString(name) );
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}
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bool Register::operator < ( const Register & reg ) const
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{
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if ( (type() != GPR) || (reg.type() != GPR) )
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return type() < reg.type();
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return name() < reg.name();
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}
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bool Register::operator == ( const Register & reg ) const
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{
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if ( type() != reg.type() )
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return false;
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return name() == reg.name();
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}
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uchar Register::banks() const
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{
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switch ( m_type )
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{
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case TMR0: return Bank0;
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case OPTION_REG: return Bank1;
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case PCL: return Bank0 | Bank1;
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case STATUS: return Bank0 | Bank1;
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case FSR: return Bank0 | Bank1;
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case PORTA: return Bank0;
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case TRISA: return Bank1;
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case PORTB: return Bank0;
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case TRISB: return Bank1;
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case EEDATA: return Bank0;
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case EECON1: return Bank1;
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case EEADR: return Bank0;
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case EECON2: return Bank1;
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case PCLATH: return Bank0 | Bank1;
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case INTCON: return Bank0 | Bank1;
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case GPR: return Bank0 | Bank1;
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case WORKING: return Bank0 | Bank1;
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case none: return Bank0 | Bank1;
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}
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return Bank0 | Bank1; // Vacously true (and useful too) - a non-existent bank can be accessed anywhere
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}
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bool Register::bankDependent() const
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{
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return ( banks() != (Bank0 | Bank1) );
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}
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bool Register::affectsExternal() const
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{
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switch ( m_type )
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{
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case PORTA:
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case TRISA:
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case PORTB:
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case TRISB:
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return true;
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case TMR0:
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case OPTION_REG:
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case PCL:
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case STATUS:
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case FSR:
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case EEDATA:
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case EECON1:
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case EEADR:
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case EECON2:
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case PCLATH:
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case INTCON:
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case GPR:
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case WORKING:
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case none:
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return false;
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}
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return false;
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}
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//END class Register
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//BEGIN class RegisterBit
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RegisterBit::RegisterBit( uchar bitPos, Register::Type reg )
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{
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m_bitPos = bitPos;
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m_registerType = reg;
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switch ( m_registerType )
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{
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case Register::STATUS:
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{
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switch ( m_bitPos )
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{
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case 0: m_name = "C"; break;
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case 1: m_name = "DC"; break;
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case 2: m_name = "Z"; break;
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case 3: m_name = "NOT_PD"; break;
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case 4: m_name = "NOT_TO"; break;
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case 5: m_name = "RP0"; break;
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case 6: m_name = "RP1"; break;
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case 7: m_name = "IRP"; break;
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}
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break;
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}
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case Register::INTCON:
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{
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switch ( m_bitPos )
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{
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case 0: m_name = "RBIF"; break;
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case 1: m_name = "INTF"; break;
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case 2: m_name = "T0IF"; break;
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case 3: m_name = "RBIE"; break;
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case 4: m_name = "INTE"; break;
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case 5: m_name = "T0IE"; break;
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case 6: m_name = "EEIE"; break;
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case 7: m_name = "GIE"; break;
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}
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break;
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}
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case Register::OPTION_REG:
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{
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switch ( m_bitPos )
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{
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case 0: m_name = "PS0"; break;
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case 1: m_name = "PS1"; break;
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case 2: m_name = "PS2"; break;
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case 3: m_name = "PSa"; break;
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case 4: m_name = "T0SE"; break;
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case 5: m_name = "T0CS"; break;
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case 6: m_name = "INTEDG"; break;
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case 7: m_name = "NOT_RBPU"; break;
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}
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break;
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}
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case Register::EECON1:
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{
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switch ( m_bitPos )
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{
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case 0: m_name = "RD"; break;
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case 1: m_name = "WR"; break;
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case 2: m_name = "WREN"; break;
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case 3: m_name = "WRERR"; break;
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case 4: m_name = "EEIF"; break;
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}
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break;
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}
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case Register::TMR0:
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case Register::PCL:
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case Register::FSR:
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case Register::PORTA:
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case Register::TRISA:
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case Register::PORTB:
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case Register::TRISB:
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case Register::EEDATA:
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case Register::EEADR:
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case Register::EECON2:
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case Register::PCLATH:
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case Register::GPR:
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case Register::WORKING:
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case Register::none:
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{
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// kdError() << k_funcinfo << "Bad register: " << reg << endl;
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}
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}
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}
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RegisterBit::RegisterBit( const TQString & name )
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{
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m_name = name.upper().stripWhiteSpace();
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initFromName();
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}
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RegisterBit::RegisterBit( const char * name )
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{
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m_name = TQString(name).upper().stripWhiteSpace();
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initFromName();
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}
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void RegisterBit::initFromName()
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{
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bool ok;
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m_bitPos = m_name.toInt( & ok, 0 );
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if ( ok )
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m_registerType = Register::none; // hmm it should be unknown - not none.
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else if ( m_name == "C" )
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{
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m_registerType = Register::STATUS;
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m_bitPos = 0;
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}
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else if ( m_name == "DC" )
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{
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m_registerType = Register::STATUS;
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m_bitPos = 1;
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}
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else if ( m_name == "Z" )
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{
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m_registerType = Register::STATUS;
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m_bitPos = 2;
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}
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else if ( m_name == "NOT_PD" )
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{
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m_registerType = Register::STATUS;
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m_bitPos = 3;
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}
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else if ( m_name == "NOT_TO" )
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{
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m_registerType = Register::STATUS;
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m_bitPos = 4;
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}
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else if ( m_name == "RP0" )
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{
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m_registerType = Register::STATUS;
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m_bitPos = 5;
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}
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else if ( m_name == "RP1" )
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{
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m_registerType = Register::STATUS;
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m_bitPos = 6;
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}
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else if ( m_name == "IRP" )
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{
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m_registerType = Register::STATUS;
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m_bitPos = 7;
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}
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else if ( m_name == "RBIF" )
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{
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m_registerType = Register::INTCON;
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m_bitPos = 0;
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}
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else if ( m_name == "INTF" )
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{
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m_registerType = Register::INTCON;
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m_bitPos = 1;
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}
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else if ( m_name == "T0IF" )
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{
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m_registerType = Register::INTCON;
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m_bitPos = 2;
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}
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else if ( m_name == "RBIE" )
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{
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m_registerType = Register::INTCON;
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m_bitPos = 3;
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}
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else if ( m_name == "INTE" )
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{
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m_registerType = Register::INTCON;
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m_bitPos = 4;
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}
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else if ( m_name == "T0IE" )
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{
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m_registerType = Register::INTCON;
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m_bitPos = 5;
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}
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else if ( m_name == "EEIE" )
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{
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m_registerType = Register::INTCON;
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m_bitPos = 6;
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}
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else if ( m_name == "GIE" )
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{
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m_registerType = Register::INTCON;
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m_bitPos = 7;
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}
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else if ( m_name == "PS0" )
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{
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m_registerType = Register::OPTION_REG;
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m_bitPos = 0;
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}
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else if ( m_name == "PS1" )
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{
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m_registerType = Register::OPTION_REG;
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m_bitPos = 1;
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}
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else if ( m_name == "PS2" )
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{
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m_registerType = Register::OPTION_REG;
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m_bitPos = 2;
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}
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else if ( m_name == "PSA" )
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{
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m_registerType = Register::OPTION_REG;
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m_bitPos = 3;
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}
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else if ( m_name == "T0SE" )
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{
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m_registerType = Register::OPTION_REG;
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m_bitPos = 4;
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}
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else if ( m_name == "T0CS" )
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{
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m_registerType = Register::OPTION_REG;
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m_bitPos = 5;
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}
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else if ( m_name == "INTEDG" )
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{
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m_registerType = Register::OPTION_REG;
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m_bitPos = 6;
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}
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else if ( m_name == "NOT_RBPU" )
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{
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m_registerType = Register::OPTION_REG;
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m_bitPos = 7;
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}
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else if ( m_name == "RD" )
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{
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m_registerType = Register::EECON1;
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m_bitPos = 0;
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}
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else if ( m_name == "WR" )
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{
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m_registerType = Register::EECON1;
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m_bitPos = 1;
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}
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else if ( m_name == "WREN" )
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{
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m_registerType = Register::EECON1;
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m_bitPos = 2;
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}
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else if ( m_name == "WRERR" )
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{
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m_registerType = Register::EECON1;
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m_bitPos = 3;
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}
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else if ( m_name == "EEIF" )
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{
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m_registerType = Register::EECON1;
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m_bitPos = 4;
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}
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else
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{
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m_registerType = Register::none;
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m_bitPos = 0;
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kdError() << k_funcinfo << "Unknown bit: " << m_name << endl;
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}
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}
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//END class RegisterBit
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|
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//BEGIN class RegisterState
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RegisterState::RegisterState()
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{
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reset();
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}
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|
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void RegisterState::reset()
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{
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known = 0x0;
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value = 0x0;
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}
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|
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void RegisterState::merge( const RegisterState & state )
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{
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known &= state.known;
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known &= ~( value ^ state.value );
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}
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|
|
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bool RegisterState::operator == ( const RegisterState & state ) const
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{
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return (known == state.known) && (value == state.value);
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}
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|
|
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void RegisterState::print()
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{
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cout << " known=" << binary(known).local8Bit() << endl;
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cout << " value=" << binary(value).local8Bit() << endl;
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}
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//END class RegisterState
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|
|
|
|
|
|
|
//BEGIN class RegisterBehaviour
|
|
RegisterBehaviour::RegisterBehaviour()
|
|
{
|
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reset();
|
|
}
|
|
|
|
|
|
void RegisterBehaviour::reset()
|
|
{
|
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depends = 0x0;
|
|
indep = 0x0;
|
|
}
|
|
//END class RegisterBehaviour
|
|
|
|
|
|
|
|
//BEGIN class ProcessorState
|
|
ProcessorState::ProcessorState()
|
|
{
|
|
}
|
|
|
|
|
|
void ProcessorState::reset()
|
|
{
|
|
working.reset();
|
|
status.reset();
|
|
|
|
RegisterMap::iterator end = m_registers.end();
|
|
for ( RegisterMap::iterator it = m_registers.begin(); it != end; ++it )
|
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(*it).reset();
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}
|
|
|
|
|
|
void ProcessorState::merge( const ProcessorState & state )
|
|
{
|
|
working.merge( state.working );
|
|
status.merge( state.status );
|
|
|
|
RegisterMap::iterator this_it = m_registers.begin();
|
|
RegisterMap::const_iterator other_it = state.m_registers.begin();
|
|
|
|
RegisterMap::iterator this_end = m_registers.end();
|
|
RegisterMap::const_iterator other_end = state.m_registers.end();
|
|
|
|
while ( true )
|
|
{
|
|
if ( this_it == this_end )
|
|
{
|
|
// So remaining registers of this are default
|
|
while ( other_it != other_end )
|
|
{
|
|
m_registers[ other_it.key() ].merge( *other_it );
|
|
++other_it;
|
|
}
|
|
return;
|
|
}
|
|
|
|
if ( other_it == other_end )
|
|
{
|
|
// So remaining registers of other are default
|
|
while ( this_it != this_end )
|
|
{
|
|
(*this_it).merge( RegisterState() );
|
|
++this_it;
|
|
}
|
|
return;
|
|
}
|
|
|
|
RegisterState thisReg = *this_it;
|
|
RegisterState otherReg = *other_it;
|
|
|
|
if ( this_it.key() == other_it.key() )
|
|
{
|
|
(*this_it).merge( *other_it );
|
|
++this_it;
|
|
++other_it;
|
|
}
|
|
else if ( this_it.key() < other_it.key() )
|
|
{
|
|
(*this_it).merge( RegisterState() );
|
|
++this_it;
|
|
}
|
|
else // other_it.key() < this_it.key()
|
|
{
|
|
m_registers[ other_it.key() ].merge( *other_it );
|
|
++other_it;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
RegisterState & ProcessorState::reg( const Register & reg )
|
|
{
|
|
if ( reg.type() == Register::WORKING )
|
|
return working;
|
|
|
|
if ( reg.type() == Register::STATUS )
|
|
return status;
|
|
|
|
return m_registers[ reg ];
|
|
}
|
|
|
|
|
|
RegisterState ProcessorState::reg( const Register & reg ) const
|
|
{
|
|
if ( reg.type() == Register::WORKING )
|
|
return working;
|
|
|
|
if ( reg.type() == Register::STATUS )
|
|
return status;
|
|
|
|
return m_registers[ reg ];
|
|
}
|
|
|
|
|
|
bool ProcessorState::operator == ( const ProcessorState & state ) const
|
|
{
|
|
if ( working != state.working )
|
|
return false;
|
|
|
|
if ( status != state.status )
|
|
return false;
|
|
|
|
RegisterMap::const_iterator this_it = m_registers.begin();
|
|
RegisterMap::const_iterator other_it = state.m_registers.begin();
|
|
|
|
RegisterMap::const_iterator this_end = m_registers.end();
|
|
RegisterMap::const_iterator other_end = state.m_registers.end();
|
|
|
|
while ( true )
|
|
{
|
|
if ( this_it == this_end )
|
|
{
|
|
// So remaining registers of this are default
|
|
while ( other_it != other_end )
|
|
{
|
|
if ( *other_it != RegisterState() )
|
|
return false;
|
|
++other_it;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
if ( other_it == other_end )
|
|
{
|
|
// So remaining registers of other are default
|
|
while ( this_it != this_end )
|
|
{
|
|
if ( *this_it != RegisterState() )
|
|
return false;
|
|
++this_it;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
RegisterState thisReg = *this_it;
|
|
RegisterState otherReg = *other_it;
|
|
|
|
if ( this_it.key() == other_it.key() )
|
|
{
|
|
if ( *this_it != *other_it )
|
|
return false;
|
|
++this_it;
|
|
++other_it;
|
|
}
|
|
else if ( this_it.key() < other_it.key() )
|
|
{
|
|
if ( *this_it != RegisterState() )
|
|
return false;
|
|
++this_it;
|
|
}
|
|
else // other_it.key() < this_it.key()
|
|
{
|
|
if ( *other_it != RegisterState() )
|
|
return false;
|
|
++other_it;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void ProcessorState::print()
|
|
{
|
|
cout << " WORKING:\n";
|
|
working.print();
|
|
cout << " STATUS:\n";
|
|
working.print();
|
|
RegisterMap::iterator end = m_registers.end();
|
|
for ( RegisterMap::iterator it = m_registers.begin(); it != end; ++it )
|
|
{
|
|
cout << " " << it.key().name().local8Bit() << ":\n";
|
|
it.data().print();
|
|
}
|
|
}
|
|
//END class ProcessorState
|
|
|
|
|
|
|
|
//BEGIN class ProcessorBehaviour
|
|
ProcessorBehaviour::ProcessorBehaviour()
|
|
{
|
|
}
|
|
|
|
|
|
void ProcessorBehaviour::reset()
|
|
{
|
|
working.reset();
|
|
status.reset();
|
|
|
|
RegisterMap::iterator end = m_registers.end();
|
|
for ( RegisterMap::iterator it = m_registers.begin(); it != end; ++it )
|
|
(*it).reset();
|
|
}
|
|
|
|
|
|
RegisterBehaviour & ProcessorBehaviour::reg( const Register & reg )
|
|
{
|
|
if ( reg.type() == Register::WORKING )
|
|
return working;
|
|
|
|
if ( reg.type() == Register::STATUS )
|
|
return status;
|
|
|
|
return m_registers[ reg ];
|
|
}
|
|
//END class ProcessorBehaviour
|
|
|
|
|
|
|
|
//BEGIN class RegisterDepends
|
|
RegisterDepends::RegisterDepends()
|
|
{
|
|
reset();
|
|
}
|
|
|
|
|
|
void RegisterDepends::reset()
|
|
{
|
|
working = 0x0;
|
|
status = 0x0;
|
|
|
|
RegisterMap::iterator end = m_registers.end();
|
|
for ( RegisterMap::iterator it = m_registers.begin(); it != end; ++it )
|
|
(*it) = 0x0;
|
|
}
|
|
|
|
|
|
uchar & RegisterDepends::reg( const Register & reg )
|
|
{
|
|
if ( reg.type() == Register::WORKING )
|
|
return working;
|
|
|
|
if ( reg.type() == Register::STATUS )
|
|
return status;
|
|
|
|
// If we don't already have the register, we need to reset it first
|
|
if ( !m_registers.contains( reg.name() ) )
|
|
m_registers[ reg ] = 0xff;
|
|
|
|
return m_registers[ reg ];
|
|
}
|
|
//END class RegisterDepends
|
|
|
|
|
|
|
|
//BEGIN clas Code
|
|
Code::Code()
|
|
{
|
|
}
|
|
|
|
|
|
void Code::merge( Code * code, InstructionPosition middleInsertionPosition )
|
|
{
|
|
if ( code == this )
|
|
{
|
|
cout << k_funcinfo << "identical\n";
|
|
return;
|
|
}
|
|
|
|
if ( !code )
|
|
return;
|
|
|
|
// Reparent instructions
|
|
for ( unsigned i = 0; i < PositionCount; ++i )
|
|
{
|
|
InstructionList * list = code->instructionList( (InstructionPosition)i );
|
|
InstructionList::const_iterator end = list->end();
|
|
for ( InstructionList::const_iterator it = list->begin(); it != end; ++it )
|
|
append( *it, ( (i == Middle) ? middleInsertionPosition : (InstructionPosition)i ) );
|
|
|
|
// Queue any labels that the other code has queued
|
|
m_queuedLabels[i] += code->queuedLabels( (InstructionPosition)i );
|
|
}
|
|
}
|
|
|
|
|
|
void Code::queueLabel( const TQString & label, InstructionPosition position )
|
|
{
|
|
// cout << k_funcinfo << "label="<<label<<" position="<<position<<'\n';
|
|
m_queuedLabels[ position ] << label;
|
|
}
|
|
|
|
|
|
void Code::removeInstruction( Instruction * instruction )
|
|
{
|
|
if ( !instruction )
|
|
return;
|
|
|
|
// If the instruction could potentially be jumped over by a BTFSS or a
|
|
// BTFSC intsruction, then we must also remove the bit test instruction,
|
|
// else the next instruction will be jumped over instead after removal.
|
|
// Removing the bit test instruction is perfectly safe as it only does
|
|
// branching (not setting of any bits, etc).
|
|
|
|
// Any labels that the instruction has must be given to the next
|
|
// instruction.
|
|
|
|
iterator e = end();
|
|
iterator previous = e; // Refers to the previous instruction if it was a bit test instruction
|
|
for ( iterator i = begin(); i != e; ++i )
|
|
{
|
|
if ( *i != instruction )
|
|
{
|
|
if ( dynamic_cast<Instr_btfss*>(*i) || dynamic_cast<Instr_btfsc*>(*i) )
|
|
previous = i;
|
|
else
|
|
previous = e;
|
|
continue;
|
|
}
|
|
|
|
iterator next = ++iterator(i);
|
|
|
|
TQStringList labels = instruction->labels();
|
|
i.list->remove( i.it );
|
|
|
|
if ( previous != e )
|
|
{
|
|
labels += (*previous)->labels();
|
|
previous.list->remove( previous.it );
|
|
}
|
|
|
|
if ( next != e )
|
|
(*next)->addLabels( labels );
|
|
|
|
break;
|
|
}
|
|
|
|
// instruction->removeOutputs();
|
|
}
|
|
|
|
|
|
void Code::append( Instruction * instruction, InstructionPosition position )
|
|
{
|
|
if ( !instruction )
|
|
return;
|
|
|
|
// cout << k_funcinfo << instruction->code() << '\n';
|
|
|
|
removeInstruction( instruction );
|
|
m_instructionLists[position].append( instruction );
|
|
|
|
instruction->setCode( this );
|
|
|
|
if ( instruction->type() == Instruction::Assembly /*||
|
|
instruction->type() == Instruction::Raw*/ )
|
|
{
|
|
// if ( (position == Middle) && !m_queuedLabels[position].isEmpty() )
|
|
// cout << "adding queued labels for 1: " << m_queuedLabels[position].join(",") << '\n';
|
|
instruction->addLabels( m_queuedLabels[position] );
|
|
m_queuedLabels[position].clear();
|
|
}
|
|
}
|
|
|
|
|
|
Instruction * Code::instruction( const TQString & label ) const
|
|
{
|
|
for ( unsigned i = 0; i < PositionCount; ++i )
|
|
{
|
|
InstructionList::const_iterator end = m_instructionLists[i].end();
|
|
for ( InstructionList::const_iterator it = m_instructionLists[i].begin(); it != end; ++it )
|
|
{
|
|
if ( (*it)->labels().contains( label ) )
|
|
return *it;
|
|
}
|
|
}
|
|
return 0l;
|
|
}
|
|
|
|
|
|
Code::iterator Code::find( Instruction * instruction )
|
|
{
|
|
iterator e = end();
|
|
iterator i = begin();
|
|
for ( ; i != e; ++i )
|
|
{
|
|
if ( *i == instruction )
|
|
break;
|
|
}
|
|
return i;
|
|
}
|
|
|
|
|
|
void Code::postCompileConstruct()
|
|
{
|
|
// Give any queued labels to the instructions in the subsequent code block
|
|
for ( unsigned i = 0; i < PositionCount; ++i )
|
|
{
|
|
if ( m_queuedLabels[i].isEmpty() )
|
|
continue;
|
|
|
|
TQStringList labels = m_queuedLabels[i];
|
|
m_queuedLabels[i].clear();
|
|
|
|
// Find an instruction to dump them onto
|
|
for ( unsigned block = i+1; block < PositionCount; ++block )
|
|
{
|
|
bool added = false;
|
|
|
|
InstructionList::iterator end = m_instructionLists[block].end();
|
|
for ( InstructionList::iterator it = m_instructionLists[block].begin(); it != end; ++it )
|
|
{
|
|
if ( (*it)->type() == Instruction::Assembly )
|
|
{
|
|
(*it)->addLabels( labels );
|
|
added = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( added )
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
TQString Code::generateCode( PIC14 * pic ) const
|
|
{
|
|
TQString code;
|
|
|
|
const TQStringList variables = findVariables();
|
|
if ( !variables.isEmpty() )
|
|
{
|
|
code += "; Variables\n";
|
|
uchar reg = pic->gprStart();
|
|
TQStringList::const_iterator end = variables.end();
|
|
for ( TQStringList::const_iterator it = variables.begin(); it != end; ++it )
|
|
code += TQString("%1\tequ\t0x%2\n").arg( *it ).arg( TQString::number( reg++, 16 ) );
|
|
|
|
code += "\n";
|
|
}
|
|
|
|
TQString picString = pic->minimalTypeString();
|
|
code += TQString("list p=%1\n").arg( picString );
|
|
code += TQString("include \"p%2.inc\"\n\n").arg( picString.lower() );
|
|
|
|
code += "; Config options\n";
|
|
code += " __config _WDT_OFF\n\n";
|
|
|
|
code += "START\n\n";
|
|
|
|
for ( unsigned i = 0; i < PositionCount; ++i )
|
|
{
|
|
InstructionList::const_iterator end = m_instructionLists[i].end();
|
|
for ( InstructionList::const_iterator it = m_instructionLists[i].begin(); it != end; ++it )
|
|
{
|
|
const TQStringList labels = (*it)->labels();
|
|
if ( !labels.isEmpty() )
|
|
{
|
|
code += '\n';
|
|
TQStringList::const_iterator labelsEnd = labels.end();
|
|
for ( TQStringList::const_iterator labelsIt = labels.begin(); labelsIt != labelsEnd; ++labelsIt )
|
|
code += *labelsIt + '\n';
|
|
}
|
|
|
|
if ( (*it)->type() == Instruction::Assembly )
|
|
code += '\t';
|
|
code += (*it)->code() + '\n';
|
|
}
|
|
}
|
|
|
|
return code;
|
|
}
|
|
|
|
|
|
TQStringList Code::findVariables() const
|
|
{
|
|
TQStringList variables;
|
|
|
|
const_iterator e = end();
|
|
for ( const_iterator i = begin(); i != e; ++i )
|
|
{
|
|
if ( (*i)->file().type() != Register::GPR )
|
|
continue;
|
|
|
|
TQString alias = (*i)->file().name();
|
|
if ( !variables.contains( alias ) )
|
|
variables << alias;
|
|
}
|
|
|
|
return variables;
|
|
}
|
|
|
|
|
|
void Code::generateLinksAndStates()
|
|
{
|
|
CodeIterator e = end();
|
|
|
|
for ( CodeIterator it = begin(); it != e; ++it )
|
|
(*it)->clearLinks();
|
|
|
|
for ( CodeIterator it = begin(); it != e; ++it )
|
|
(*it)->generateLinksAndStates( it );
|
|
|
|
// Generate return links for call instructions
|
|
// This cannot be done from the call instructions as we need to have
|
|
// generated the links first.
|
|
for ( CodeIterator it = begin(); it != e; ++it )
|
|
{
|
|
Instr_call * ins = dynamic_cast<Instr_call*>(*it);
|
|
if ( !ins )
|
|
continue;
|
|
|
|
Instruction * next = *(++Code::iterator(it));
|
|
ins->makeReturnLinks( next );
|
|
}
|
|
}
|
|
|
|
|
|
void Code::setAllUnused()
|
|
{
|
|
CodeIterator e = end();
|
|
for ( CodeIterator it = begin(); it != e; ++it )
|
|
{
|
|
(*it)->setUsed( false );
|
|
(*it)->resetRegisterDepends();
|
|
}
|
|
}
|
|
|
|
|
|
CodeIterator Code::begin()
|
|
{
|
|
// Following code is very similar to the version of this function.
|
|
// Make sure any changes are applied to both (when applicable).
|
|
|
|
for ( unsigned i = 0; i < PositionCount; ++i )
|
|
{
|
|
if ( m_instructionLists[i].isEmpty() )
|
|
continue;
|
|
|
|
CodeIterator codeIterator;
|
|
codeIterator.code = this;
|
|
codeIterator.it = m_instructionLists[i].begin();
|
|
codeIterator.pos = (Code::InstructionPosition)i;
|
|
codeIterator.list = & m_instructionLists[i];
|
|
codeIterator.listEnd = m_instructionLists[i].end();
|
|
|
|
return codeIterator;
|
|
}
|
|
|
|
return end();
|
|
}
|
|
|
|
|
|
CodeIterator Code::end()
|
|
{
|
|
// Following code is very similar to the version of this function.
|
|
// Make sure any changes are applied to both (when applicable).
|
|
|
|
CodeIterator codeIterator;
|
|
codeIterator.code = this;
|
|
codeIterator.it = m_instructionLists[ PositionCount - 1 ].end();
|
|
codeIterator.pos = (Code::InstructionPosition)(Code::PositionCount - 1);
|
|
codeIterator.list = & m_instructionLists[ PositionCount - 1 ];
|
|
codeIterator.listEnd = m_instructionLists[ PositionCount - 1 ].end();
|
|
return codeIterator;
|
|
}
|
|
|
|
|
|
CodeConstIterator Code::begin() const
|
|
{
|
|
// Following code is very similar to the non-const version of this function.
|
|
// Make sure any changes are applied to both (when applicable).
|
|
|
|
for ( unsigned i = 0; i < PositionCount; ++i )
|
|
{
|
|
if ( m_instructionLists[i].isEmpty() )
|
|
continue;
|
|
|
|
CodeConstIterator codeIterator;
|
|
codeIterator.code = this;
|
|
codeIterator.it = m_instructionLists[i].begin();
|
|
codeIterator.pos = (Code::InstructionPosition)i;
|
|
codeIterator.list = & m_instructionLists[i];
|
|
codeIterator.listEnd = m_instructionLists[i].end();
|
|
|
|
return codeIterator;
|
|
}
|
|
|
|
return end();
|
|
}
|
|
|
|
|
|
CodeConstIterator Code::end() const
|
|
{
|
|
// Following code is very similar to the non-const version of this function.
|
|
// Make sure any changes are applied to both (when applicable).
|
|
|
|
CodeConstIterator codeIterator;
|
|
codeIterator.code = this;
|
|
codeIterator.it = m_instructionLists[ PositionCount - 1 ].end();
|
|
codeIterator.pos = (Code::InstructionPosition)(Code::PositionCount - 1);
|
|
codeIterator.list = & m_instructionLists[ PositionCount - 1 ];
|
|
codeIterator.listEnd = m_instructionLists[ PositionCount - 1 ].end();
|
|
return codeIterator;
|
|
}
|
|
//END class Code
|
|
|
|
|
|
|
|
//BEGIN class CodeIterator
|
|
CodeIterator & CodeIterator::operator ++ ()
|
|
{
|
|
// NOTE: This code is very similar to the const version.
|
|
// Any changes to thsi code should be applied there as well (when applicable).
|
|
|
|
do
|
|
{
|
|
if ( ++it == listEnd && pos < (Code::PositionCount - 1) )
|
|
{
|
|
bool found = false;
|
|
for ( pos = (Code::InstructionPosition)(pos+1); pos < Code::PositionCount; pos = (Code::InstructionPosition)(pos+1) )
|
|
{
|
|
list = code->instructionList( pos );
|
|
listEnd = list->end();
|
|
if ( list->isEmpty() )
|
|
continue;
|
|
|
|
it = list->begin();
|
|
found = true;
|
|
break;
|
|
}
|
|
|
|
if ( !found )
|
|
it = listEnd;
|
|
}
|
|
}
|
|
while ( (it != listEnd) && ((*it)->type() != Instruction::Assembly) );
|
|
|
|
return *this;
|
|
}
|
|
|
|
|
|
CodeIterator & CodeIterator::removeAndIncrement()
|
|
{
|
|
Instruction * i = *it;
|
|
++(*this);
|
|
code->removeInstruction( i );
|
|
return *this;
|
|
}
|
|
|
|
|
|
void CodeIterator::insertBefore( Instruction * ins )
|
|
{
|
|
list->insert( it, ins );
|
|
}
|
|
//END class CodeIterator
|
|
|
|
|
|
|
|
//BEGIN class CodeConstIterator
|
|
CodeConstIterator & CodeConstIterator::operator ++ ()
|
|
{
|
|
// NOTE: This code is very similar to the non-const version.
|
|
// Any changes to thsi code should be applied there as well (when applicable).
|
|
|
|
do
|
|
{
|
|
if ( ++it == listEnd && pos < (Code::PositionCount - 1) )
|
|
{
|
|
bool found = false;
|
|
for ( pos = (Code::InstructionPosition)(pos+1); pos < Code::PositionCount; pos = (Code::InstructionPosition)(pos+1) )
|
|
{
|
|
list = code->instructionList( pos );
|
|
listEnd = list->end();
|
|
if ( list->isEmpty() )
|
|
continue;
|
|
|
|
it = list->begin();
|
|
found = true;
|
|
break;
|
|
}
|
|
|
|
if ( !found )
|
|
it = listEnd;
|
|
}
|
|
}
|
|
while ( (it != listEnd) && ((*it)->type() != Instruction::Assembly) );
|
|
|
|
return *this;
|
|
}
|
|
//END class CodeConstIterator
|
|
|
|
|
|
|
|
|
|
//BEGIN class Instruction
|
|
Instruction::Instruction()
|
|
{
|
|
m_bInputStateChanged = true;
|
|
m_bPositionAffectsBranching = false;
|
|
m_bUsed = false;
|
|
m_literal = 0;
|
|
m_dest = 0;
|
|
}
|
|
|
|
|
|
Instruction::~ Instruction()
|
|
{
|
|
}
|
|
|
|
|
|
void Instruction::addLabels( const TQStringList & labels )
|
|
{
|
|
m_labels += labels;
|
|
}
|
|
|
|
|
|
void Instruction::setLabels( const TQStringList & labels )
|
|
{
|
|
m_labels = labels;
|
|
}
|
|
|
|
|
|
void Instruction::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
m_outputState.reset();
|
|
}
|
|
|
|
|
|
ProcessorBehaviour Instruction::behaviour() const
|
|
{
|
|
return ProcessorBehaviour();
|
|
}
|
|
|
|
|
|
void Instruction::makeOutputLinks( Code::iterator current, bool firstOutput, bool secondOutput )
|
|
{
|
|
if ( !firstOutput && !secondOutput )
|
|
return;
|
|
|
|
++current;
|
|
if ( !*current )
|
|
{
|
|
kdWarning() << k_funcinfo << "current+1 is null"<<endl;
|
|
return;
|
|
}
|
|
if ( firstOutput )
|
|
(*current)->addInputLink( this );
|
|
|
|
if ( !secondOutput )
|
|
return;
|
|
|
|
++current;
|
|
(*current)->addInputLink( this );
|
|
}
|
|
|
|
|
|
void Instruction::makeLabelOutputLink( const TQString & label )
|
|
{
|
|
Instruction * output = m_pCode->instruction( label );
|
|
if ( output )
|
|
output->addInputLink( this );
|
|
}
|
|
|
|
|
|
void Instruction::addInputLink( Instruction * instruction )
|
|
{
|
|
// Don't forget that a link to ourself is valid!
|
|
if ( !instruction || m_inputLinks.contains( instruction ) )
|
|
return;
|
|
|
|
m_inputLinks << instruction;
|
|
instruction->addOutputLink( this );
|
|
}
|
|
|
|
|
|
void Instruction::addOutputLink( Instruction * instruction )
|
|
{
|
|
// Don't forget that a link to ourself is valid!
|
|
if ( !instruction || m_outputLinks.contains( instruction ) )
|
|
return;
|
|
|
|
m_outputLinks << instruction;
|
|
instruction->addInputLink( this );
|
|
}
|
|
|
|
|
|
void Instruction::removeInputLink( Instruction * instruction )
|
|
{
|
|
m_inputLinks.remove( instruction );
|
|
}
|
|
|
|
|
|
void Instruction::removeOutputLink( Instruction * instruction )
|
|
{
|
|
m_outputLinks.remove( instruction );
|
|
}
|
|
|
|
|
|
void Instruction::clearLinks()
|
|
{
|
|
m_inputLinks.clear();
|
|
m_outputLinks.clear();
|
|
}
|
|
//END class Instruction
|
|
|
|
|
|
|
|
//BEGIN Byte-Oriented File Register Operations
|
|
TQString Instr_addwf::code() const
|
|
{
|
|
return TQString("addwf\t%1,%2").arg( m_file.name() ).arg( m_dest );
|
|
}
|
|
|
|
void Instr_addwf::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
m_outputState = m_inputState;
|
|
|
|
m_outputState.reg( outputReg() ).value = (m_inputState.working.value + m_inputState.reg( m_file ).value) & 0xff;
|
|
m_outputState.reg( outputReg() ).known = ((m_inputState.working.known == 0xff) && (m_inputState.reg( m_file ).known == 0xff)) ? 0xff : 0x0;
|
|
|
|
m_outputState.status.known &= ~( (1 << RegisterBit::C) | (1 << RegisterBit::DC) | (1 << RegisterBit::Z) );
|
|
|
|
if ( m_file.type() != Register::PCL || m_dest == 0 )
|
|
{
|
|
makeOutputLinks( current );
|
|
return;
|
|
}
|
|
|
|
++current; // Don't have a link to ourself
|
|
|
|
// maxInc is the greatest possibly value that we might have incremented the program counter by.
|
|
// It is generated by ORing the known bits of the working register with the greatest value
|
|
// of the unknown bits;
|
|
uchar maxInc = m_inputState.working.maxValue();
|
|
if ( maxInc < 0xff )
|
|
maxInc++;
|
|
// cout << "m_inputState.working.known="<<int(m_inputState.working.known)<<" maxInc="<<int(maxInc)<<'\n';
|
|
Code::iterator end = m_pCode->end();
|
|
for ( int i = 0; current != end && i < maxInc; ++i, ++current )
|
|
{
|
|
(*current)->addInputLink( this );
|
|
// if ( i != maxInc-1 )
|
|
// (*current)->setPositionAffectsBranching( true );
|
|
}
|
|
}
|
|
|
|
ProcessorBehaviour Instr_addwf::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
|
|
// Depend on W and f
|
|
behaviour.working.depends = 0xff;
|
|
behaviour.reg( m_file ).depends = 0xff;
|
|
|
|
behaviour.status.depends = m_file.bankDependent() ? (1 << RegisterBit::RP0) : 0x0;
|
|
behaviour.status.indep = (1 << RegisterBit::C) | (1 << RegisterBit::DC) | (1 << RegisterBit::Z);
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
|
|
TQString Instr_andwf::code() const
|
|
{
|
|
return TQString("andwf\t%1,%2").arg( m_file.name() ).arg( m_dest );
|
|
}
|
|
|
|
void Instr_andwf::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
m_outputState = m_inputState;
|
|
|
|
uchar definiteOnes = m_inputState.reg( m_file ).definiteOnes() & m_outputState.working.definiteOnes();
|
|
m_outputState.reg( outputReg() ).value = definiteOnes;
|
|
m_outputState.reg( outputReg() ).known = m_inputState.reg( m_file ).definiteZeros() | m_inputState.working.definiteZeros() | definiteOnes;
|
|
|
|
m_outputState.status.known &= ~(1 << RegisterBit::Z);
|
|
}
|
|
|
|
ProcessorBehaviour Instr_andwf::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
|
|
// Depend on W and f
|
|
behaviour.working.depends = 0xff;
|
|
behaviour.reg( m_file ).depends = 0xff;
|
|
|
|
if ( m_dest == 0 )
|
|
behaviour.working.indep = m_inputState.reg( m_file ).known & ~( m_inputState.reg( m_file ).value);
|
|
|
|
behaviour.status.depends = m_file.bankDependent() ? (1 << RegisterBit::RP0) : 0x0;
|
|
behaviour.status.indep = (1 << RegisterBit::Z);
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_clrf::code() const
|
|
{
|
|
return TQString("clrf\t%1").arg( m_file.name() );
|
|
}
|
|
|
|
void Instr_clrf::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
|
|
m_outputState = m_inputState;
|
|
m_outputState.reg( m_file ).known = 0xff;
|
|
m_outputState.reg( m_file ).value = 0x0;
|
|
|
|
m_outputState.status.known |= (1 << RegisterBit::Z);
|
|
m_outputState.status.value |= (1 << RegisterBit::Z);
|
|
}
|
|
|
|
ProcessorBehaviour Instr_clrf::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
|
|
behaviour.reg( m_file ).indep = 0xff;
|
|
|
|
behaviour.status.depends = m_file.bankDependent() ? (1 << RegisterBit::RP0) : 0x0;
|
|
behaviour.status.indep = (1 << RegisterBit::Z);
|
|
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
//TODO CLRW
|
|
//TODO COMF
|
|
|
|
|
|
TQString Instr_decf::code() const
|
|
{
|
|
return TQString("decf\t%1,%2").arg( m_file.name() ).arg( m_dest );
|
|
}
|
|
|
|
void Instr_decf::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
|
|
m_outputState = m_inputState;
|
|
m_outputState.status.known &= ~(1 << RegisterBit::Z);
|
|
|
|
m_outputState.reg( outputReg() ).known = 0x0;
|
|
}
|
|
|
|
ProcessorBehaviour Instr_decf::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
|
|
behaviour.reg( m_file ).depends = 0xff;
|
|
|
|
behaviour.status.depends = m_file.bankDependent() ? (1 << RegisterBit::RP0) : 0x0;
|
|
behaviour.status.indep = (1 << RegisterBit::Z);
|
|
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_decfsz::code() const
|
|
{
|
|
return TQString("decfsz\t%1,%2").arg( m_file.name() ).arg( m_dest );
|
|
}
|
|
|
|
void Instr_decfsz::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current, true, true );
|
|
|
|
m_outputState = m_inputState;
|
|
m_outputState.reg( outputReg() ).known = 0x0;
|
|
}
|
|
|
|
ProcessorBehaviour Instr_decfsz::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
|
|
behaviour.reg( m_file ).depends = 0xff;
|
|
|
|
behaviour.status.depends = m_file.bankDependent() ? (1 << RegisterBit::RP0) : 0x0;
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_incf::code() const
|
|
{
|
|
return TQString("incf\t%1,%2").arg( m_file.name() ).arg( m_dest );
|
|
}
|
|
|
|
void Instr_incf::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
|
|
m_outputState = m_inputState;
|
|
m_outputState.status.known &= ~(1 << RegisterBit::Z);
|
|
|
|
m_outputState.reg( outputReg() ).known = 0x0;
|
|
}
|
|
|
|
ProcessorBehaviour Instr_incf::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
|
|
behaviour.reg( m_file ).depends = 0xff;
|
|
|
|
behaviour.status.depends = m_file.bankDependent() ? (1 << RegisterBit::RP0) : 0x0;
|
|
behaviour.status.indep = (1 << RegisterBit::Z);
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
//TODO INCFSZ
|
|
|
|
|
|
TQString Instr_iorwf::code() const
|
|
{
|
|
return TQString("iorwf\t%1,%2").arg( m_file.name() ).arg( m_dest );
|
|
}
|
|
|
|
void Instr_iorwf::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
|
|
m_outputState = m_inputState;
|
|
m_outputState.status.known &= ~(1 << RegisterBit::Z);
|
|
|
|
m_outputState.reg( outputReg() ).known = 0x0;
|
|
}
|
|
|
|
ProcessorBehaviour Instr_iorwf::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
|
|
// Depend on W and f
|
|
behaviour.working.depends = 0xff;
|
|
behaviour.reg( m_file ).depends = 0xff;
|
|
|
|
behaviour.status.depends = m_file.bankDependent() ? (1 << RegisterBit::RP0) : 0x0;
|
|
behaviour.status.indep = (1 << RegisterBit::Z);
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_movf::code() const
|
|
{
|
|
return TQString("movf\t%1,%2").arg( m_file.name() ).arg( m_dest );
|
|
}
|
|
|
|
void Instr_movf::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
|
|
m_outputState = m_inputState;
|
|
|
|
if ( m_inputState.reg( m_file ).known == 0xff )
|
|
{
|
|
m_outputState.status.known |= (1 << RegisterBit::Z);
|
|
bool isZero = (m_inputState.reg( m_file ).value == 0x0);
|
|
if ( isZero )
|
|
m_outputState.status.value |= (1 << RegisterBit::Z);
|
|
else
|
|
m_outputState.status.value &= ~(1 << RegisterBit::Z);
|
|
}
|
|
else
|
|
m_outputState.status.known &= ~(1 << RegisterBit::Z);
|
|
|
|
if ( m_dest == 0 )
|
|
{
|
|
// Writing to the working register
|
|
m_outputState.working.known = m_inputState.reg( m_file ).known;
|
|
m_outputState.working.value = m_inputState.reg( m_file ).value;
|
|
}
|
|
}
|
|
|
|
ProcessorBehaviour Instr_movf::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
|
|
if ( m_dest == 0 )
|
|
behaviour.working.indep = 0xff;
|
|
|
|
behaviour.reg( m_file ).depends = 0xff;
|
|
|
|
behaviour.status.depends = m_file.bankDependent() ? (1 << RegisterBit::RP0) : 0x0;
|
|
behaviour.status.indep = (1 << RegisterBit::Z);
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_movwf::code() const
|
|
{
|
|
return TQString("movwf\t%1").arg( m_file.name() );
|
|
}
|
|
|
|
void Instr_movwf::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
|
|
m_outputState = m_inputState;
|
|
m_outputState.reg( m_file ).known = m_inputState.working.known;
|
|
m_outputState.reg( m_file ).value = m_inputState.working.value;
|
|
}
|
|
|
|
ProcessorBehaviour Instr_movwf::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
|
|
behaviour.reg( m_file ).indep = 0xff;
|
|
behaviour.working.depends = 0xff;
|
|
behaviour.status.depends = m_file.bankDependent() ? (1 << RegisterBit::RP0) : 0x0;
|
|
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
//TODO NOP
|
|
|
|
|
|
|
|
TQString Instr_rlf::code() const
|
|
{
|
|
return TQString("rlf\t%1,%2").arg( m_file.name() ).arg( m_dest );
|
|
}
|
|
|
|
void Instr_rlf::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
|
|
m_outputState = m_inputState;
|
|
m_outputState.status.known &= ~(1 << RegisterBit::C);
|
|
|
|
m_outputState.reg( outputReg() ).known = 0x0;
|
|
}
|
|
|
|
ProcessorBehaviour Instr_rlf::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
|
|
// Is the value written to W or f?
|
|
if ( m_dest == 0 )
|
|
behaviour.working.indep = 0xff;
|
|
|
|
behaviour.reg( m_file ).depends = 0xff;
|
|
|
|
behaviour.status.depends = (1 << RegisterBit::C) | (m_file.bankDependent() ? (1 << RegisterBit::RP0) : 0x0);
|
|
behaviour.status.indep = (1 << RegisterBit::C);
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_rrf::code() const
|
|
{
|
|
return TQString("rrf\t%1,%2").arg( m_file.name() ).arg( m_dest );
|
|
}
|
|
|
|
void Instr_rrf::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
|
|
m_outputState = m_inputState;
|
|
m_outputState.status.known &= ~(1 << RegisterBit::C);
|
|
|
|
m_outputState.reg( outputReg() ).known = 0x0;
|
|
}
|
|
|
|
ProcessorBehaviour Instr_rrf::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
|
|
if ( m_dest == 0 )
|
|
behaviour.working.indep = 0xff;
|
|
|
|
behaviour.reg( m_file ).depends = 0xff;
|
|
|
|
behaviour.status.depends = (1 << RegisterBit::C) | (m_file.bankDependent() ? (1 << RegisterBit::RP0) : 0x0);
|
|
behaviour.status.indep = (1 << RegisterBit::C);
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_subwf::code() const
|
|
{
|
|
return TQString("subwf\t%1,%2").arg( m_file.name() ).arg( m_dest );
|
|
}
|
|
|
|
void Instr_subwf::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
|
|
m_outputState = m_inputState;
|
|
|
|
if ( (m_inputState.working.known == 0xff) && (m_inputState.reg( m_file ).known == 0xff) )
|
|
{
|
|
m_outputState.reg( outputReg() ).known = 0xff;
|
|
m_outputState.reg( outputReg() ).value = (m_inputState.reg( m_file ).value - m_inputState.working.value) & 0xff;
|
|
}
|
|
else
|
|
m_outputState.reg( outputReg() ).known = 0x0;
|
|
|
|
|
|
m_outputState.status.known &= ~( (1 << RegisterBit::C) | (1 << RegisterBit::DC) | (1 << RegisterBit::Z) );
|
|
|
|
if ( m_inputState.working.minValue() > m_inputState.reg( m_file ).maxValue() )
|
|
{
|
|
m_outputState.status.value &= ~(1 << RegisterBit::C);
|
|
m_outputState.status.known |= (1 << RegisterBit::C);
|
|
}
|
|
else if ( m_inputState.working.maxValue() <= m_inputState.reg( m_file ).minValue() )
|
|
{
|
|
m_outputState.status.value |= (1 << RegisterBit::C);
|
|
m_outputState.status.known |= (1 << RegisterBit::C);
|
|
}
|
|
|
|
if ( (m_inputState.working.known == 0xff) && (m_inputState.reg( m_file ).known == 0xff) )
|
|
{
|
|
bool isZero = (m_inputState.working.value == m_inputState.reg( m_file ).value);
|
|
if ( isZero )
|
|
m_outputState.status.value |= (1 << RegisterBit::Z);
|
|
else
|
|
m_outputState.status.value &= ~(1 << RegisterBit::Z);
|
|
m_outputState.status.known |= (1 << RegisterBit::Z);
|
|
}
|
|
}
|
|
|
|
ProcessorBehaviour Instr_subwf::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
|
|
// Depend on W and f
|
|
behaviour.working.depends = 0xff;
|
|
behaviour.reg( m_file ).depends = 0xff;
|
|
|
|
behaviour.status.depends = m_file.bankDependent() ? (1 << RegisterBit::RP0) : 0x0;
|
|
behaviour.status.indep = (1 << RegisterBit::C) | (1 << RegisterBit::DC) | (1 << RegisterBit::Z);
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_swapf::code() const
|
|
{
|
|
return TQString("swapf\t%1,%2").arg( m_file.name() ).arg( m_dest );
|
|
}
|
|
|
|
void Instr_swapf::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
|
|
m_outputState = m_inputState;
|
|
if ( m_dest == 0 )
|
|
{
|
|
// Writing to the working register
|
|
m_outputState.working.known = 0x0;
|
|
}
|
|
}
|
|
|
|
ProcessorBehaviour Instr_swapf::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
behaviour.reg( m_file ).depends = 0xff;
|
|
behaviour.working.indep = ( m_dest == 0 ) ? 0xff : 0x0;
|
|
behaviour.status.depends = m_file.bankDependent() ? (1 << RegisterBit::RP0) : 0x0;
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_xorwf::code() const
|
|
{
|
|
return TQString("xorwf\t%1,%2").arg( m_file.name() ).arg( m_dest );
|
|
}
|
|
|
|
void Instr_xorwf::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
|
|
m_outputState = m_inputState;
|
|
m_outputState.status.known &= ~(1 << RegisterBit::Z);
|
|
|
|
m_outputState.reg( outputReg() ).known = 0x0;
|
|
}
|
|
|
|
ProcessorBehaviour Instr_xorwf::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
|
|
// Depend on W and f
|
|
behaviour.working.depends = 0xff;
|
|
behaviour.reg( m_file ).depends = 0xff;
|
|
|
|
behaviour.status.depends = m_file.bankDependent() ? (1 << RegisterBit::RP0) : 0x0;
|
|
behaviour.status.indep = (1 << RegisterBit::Z);
|
|
return behaviour;
|
|
}
|
|
//END Byte-Oriented File Register Operations
|
|
|
|
|
|
|
|
//BEGIN Bit-Oriented File Register Operations
|
|
TQString Instr_bcf::code() const
|
|
{
|
|
return TQString("bcf\t\t%1,%2").arg( m_file.name() ).arg( m_bit.name() );
|
|
}
|
|
|
|
void Instr_bcf::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
|
|
m_outputState = m_inputState;
|
|
m_outputState.reg( m_file ).value &= ~uchar(1 << m_bit.bitPos());
|
|
m_outputState.reg( m_file ).known |= uchar(1 << m_bit.bitPos());
|
|
}
|
|
|
|
ProcessorBehaviour Instr_bcf::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
|
|
behaviour.status.depends = m_file.bankDependent() ? (1 << RegisterBit::RP0) : 0x0;
|
|
behaviour.reg( m_file ).indep = 1 << m_bit.bitPos();
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_bsf::code() const
|
|
{
|
|
return TQString("bsf\t\t%1,%2").arg( m_file.name() ).arg( m_bit.name() );
|
|
}
|
|
|
|
void Instr_bsf::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
|
|
m_outputState = m_inputState;
|
|
m_outputState.reg( m_file ).value |= uchar(1 << m_bit.bitPos());
|
|
m_outputState.reg( m_file ).known |= uchar(1 << m_bit.bitPos());
|
|
}
|
|
|
|
ProcessorBehaviour Instr_bsf::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
behaviour.status.depends = m_file.bankDependent() ? (1 << RegisterBit::RP0) : 0x0;
|
|
behaviour.reg( m_file ).indep = 1 << m_bit.bitPos();
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_btfsc::code() const
|
|
{
|
|
return TQString("btfsc\t%1,%2").arg( m_file.name() ).arg( m_bit.name() );
|
|
}
|
|
|
|
void Instr_btfsc::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
m_outputState = m_inputState;
|
|
|
|
if ( m_inputState.reg( m_file ).known & (1 << m_bit.bitPos()) )
|
|
{
|
|
bool bit = m_inputState.reg( m_file ).value & (1 << m_bit.bitPos());
|
|
makeOutputLinks( current, bit, !bit );
|
|
}
|
|
else
|
|
makeOutputLinks( current, true, true );
|
|
}
|
|
|
|
ProcessorBehaviour Instr_btfsc::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
behaviour.reg( m_file ).depends = 1 << m_bit.bitPos();
|
|
behaviour.status.depends = (m_file.type() == Register::STATUS) ? m_bit.bit() : 0x0;
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_btfss::code() const
|
|
{
|
|
return TQString("btfss\t%1,%2").arg( m_file.name() ).arg( m_bit.name() );
|
|
}
|
|
|
|
void Instr_btfss::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
m_outputState = m_inputState;
|
|
|
|
if ( m_inputState.reg( m_file ).known & (1 << m_bit.bitPos()) )
|
|
{
|
|
bool bit = m_inputState.reg( m_file ).value & (1 << m_bit.bitPos());
|
|
makeOutputLinks( current, !bit, bit );
|
|
}
|
|
else
|
|
makeOutputLinks( current, true, true );
|
|
}
|
|
|
|
ProcessorBehaviour Instr_btfss::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
behaviour.reg( m_file ).depends = 1 << m_bit.bitPos();
|
|
behaviour.status.depends = (m_file.type() == Register::STATUS) ? m_bit.bit() : 0x0;
|
|
return behaviour;
|
|
}
|
|
//END Bit-Oriented File Register Operations
|
|
|
|
|
|
|
|
//BEGIN Literal and Control Operations
|
|
TQString Instr_addlw::code() const
|
|
{
|
|
return TQString("addlw\t%1").arg( m_literal );
|
|
}
|
|
|
|
void Instr_addlw::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
|
|
m_outputState = m_inputState;
|
|
m_outputState.working.value = (m_inputState.working.value + m_literal) & 0xff;
|
|
m_outputState.working.known = (m_inputState.working.known == 0xff) ? 0xff : 0x0;
|
|
m_outputState.status.known &= ~( (1 << RegisterBit::C) | (1 << RegisterBit::DC) | (1 << RegisterBit::Z) );
|
|
}
|
|
|
|
ProcessorBehaviour Instr_addlw::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
|
|
behaviour.working.depends = 0xff;
|
|
|
|
behaviour.status.indep = (1 << RegisterBit::C) | (1 << RegisterBit::DC) | (1 << RegisterBit::Z);
|
|
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_andlw::code() const
|
|
{
|
|
return TQString("andlw\t%1").arg( m_literal );
|
|
}
|
|
|
|
void Instr_andlw::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
|
|
m_outputState = m_inputState;
|
|
m_outputState.working.value = (m_inputState.working.value & m_literal) & 0xff;
|
|
m_outputState.working.known |= ~m_literal; // Now know any bits that are zero in value
|
|
m_outputState.status.known &= ~(1 << RegisterBit::Z);
|
|
}
|
|
|
|
ProcessorBehaviour Instr_andlw::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
|
|
behaviour.working.indep = ~m_literal;
|
|
behaviour.working.depends = m_literal;
|
|
|
|
behaviour.status.indep = (1 << RegisterBit::Z);
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_call::code() const
|
|
{
|
|
return TQString("call\t%1").arg( m_label );
|
|
}
|
|
|
|
void Instr_call::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
(void)current;
|
|
makeLabelOutputLink( m_label );
|
|
|
|
m_outputState = m_inputState;
|
|
}
|
|
|
|
ProcessorBehaviour Instr_call::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
return behaviour;
|
|
}
|
|
|
|
void Instr_call::makeReturnLinks( Instruction * next )
|
|
{
|
|
m_pCode->setAllUnused();
|
|
linkReturns( m_pCode->instruction( m_label ), next );
|
|
}
|
|
|
|
|
|
void Instr_call::linkReturns( Instruction * current, Instruction * returnPoint )
|
|
{
|
|
while (true)
|
|
{
|
|
if ( !current || current->isUsed() )
|
|
return;
|
|
|
|
current->setUsed( true );
|
|
if ( dynamic_cast<Instr_return*>(current) || dynamic_cast<Instr_retlw*>(current) )
|
|
{
|
|
// cout << "Added return link" << endl;
|
|
// cout << " FROM: " << current->code() << endl;
|
|
// cout << " TO: " << returnPoint->code() << endl;
|
|
returnPoint->addInputLink( current );
|
|
return;
|
|
}
|
|
if ( dynamic_cast<Instr_call*>(current) )
|
|
{
|
|
// Jump over the call instruction to its return point,
|
|
// which will be the instruction after current.
|
|
current = *(++m_pCode->find( current ));
|
|
continue;
|
|
}
|
|
|
|
const InstructionList outputs = current->outputLinks();
|
|
|
|
if ( outputs.isEmpty() )
|
|
return;
|
|
|
|
if ( outputs.size() == 1 )
|
|
current = outputs.first();
|
|
|
|
else
|
|
{
|
|
// Can't avoid function recursion now.
|
|
InstructionList::const_iterator end = outputs.end();
|
|
for ( InstructionList::const_iterator it = outputs.begin(); it != end; ++it )
|
|
linkReturns( *it, returnPoint );
|
|
return;
|
|
}
|
|
};
|
|
}
|
|
|
|
|
|
//TODO CLRWDT
|
|
|
|
|
|
TQString Instr_goto::code() const
|
|
{
|
|
return TQString("goto\t%1").arg( m_label );
|
|
}
|
|
|
|
void Instr_goto::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
(void)current;
|
|
|
|
makeLabelOutputLink( m_label );
|
|
|
|
m_outputState = m_inputState;
|
|
}
|
|
|
|
ProcessorBehaviour Instr_goto::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_iorlw::code() const
|
|
{
|
|
return TQString("iorlw\t%1").arg( m_literal );
|
|
}
|
|
|
|
void Instr_iorlw::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
|
|
m_outputState = m_inputState;
|
|
m_outputState.working.value = (m_inputState.working.value | m_literal) & 0xff;
|
|
m_outputState.working.known |= m_literal; // Now know any bits that are one in value
|
|
m_outputState.status.known &= ~(1 << RegisterBit::Z);
|
|
}
|
|
|
|
ProcessorBehaviour Instr_iorlw::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
|
|
behaviour.working.indep = m_literal;
|
|
behaviour.working.depends = ~m_literal;
|
|
|
|
behaviour.status.indep = (1 << RegisterBit::Z);;
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_movlw::code() const
|
|
{
|
|
return TQString("movlw\t%1").arg( m_literal );
|
|
}
|
|
|
|
void Instr_movlw::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
m_outputState = m_inputState;
|
|
m_outputState.working.known = 0xff;
|
|
m_outputState.working.value = m_literal;
|
|
}
|
|
|
|
ProcessorBehaviour Instr_movlw::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
behaviour.working.indep = 0xff;
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_retfie::code() const
|
|
{
|
|
return "retfie";
|
|
}
|
|
|
|
void Instr_retfie::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
// Don't generate any output links
|
|
(void)current;
|
|
|
|
m_inputState = m_outputState;
|
|
}
|
|
|
|
ProcessorBehaviour Instr_retfie::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_retlw::code() const
|
|
{
|
|
return TQString("retlw\t%1").arg( m_literal );
|
|
}
|
|
|
|
void Instr_retlw::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
(void)current;
|
|
|
|
m_outputState = m_inputState;
|
|
m_outputState.working.known = 0xff;
|
|
m_outputState.working.value = m_literal;
|
|
}
|
|
|
|
ProcessorBehaviour Instr_retlw::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
behaviour.working.indep = 0xff;
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
|
|
TQString Instr_return::code() const
|
|
{
|
|
return "return";
|
|
}
|
|
|
|
void Instr_return::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
(void)current;
|
|
|
|
m_outputState = m_inputState;
|
|
}
|
|
|
|
ProcessorBehaviour Instr_return::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_sleep::code() const
|
|
{
|
|
return "sleep";
|
|
}
|
|
|
|
void Instr_sleep::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
// Don't generate any output links
|
|
(void)current;
|
|
|
|
m_outputState = m_inputState;
|
|
m_outputState.status.value &= ~(1 << RegisterBit::NOT_PD);
|
|
m_outputState.status.value |= (1 << RegisterBit::NOT_TO);
|
|
m_outputState.status.known |= (1 << RegisterBit::NOT_TO) | (1 << RegisterBit::NOT_PD);
|
|
}
|
|
|
|
ProcessorBehaviour Instr_sleep::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
behaviour.status.indep = (1 << RegisterBit::NOT_TO) | (1 << RegisterBit::NOT_PD);
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_sublw::code() const
|
|
{
|
|
return TQString("sublw\t%1").arg( m_literal );
|
|
}
|
|
|
|
void Instr_sublw::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
|
|
m_outputState = m_inputState;
|
|
m_outputState.working.value = (m_literal - m_inputState.working.value) & 0xff;
|
|
m_outputState.working.known = (m_inputState.working.known == 0xff) ? 0xff : 0x00;
|
|
m_outputState.status.known &= ~( (1 << RegisterBit::C) | (1 << RegisterBit::DC) | (1 << RegisterBit::Z) );
|
|
|
|
if ( m_inputState.working.minValue() > m_literal )
|
|
{
|
|
m_outputState.status.value &= ~(1 << RegisterBit::C);
|
|
m_outputState.status.known |= (1 << RegisterBit::C);
|
|
}
|
|
else if ( m_inputState.working.maxValue() <= m_literal )
|
|
{
|
|
m_outputState.status.value |= (1 << RegisterBit::C);
|
|
m_outputState.status.known |= (1 << RegisterBit::C);
|
|
}
|
|
|
|
if ( m_inputState.working.known == 0xff )
|
|
{
|
|
bool isZero = (m_inputState.working.value == m_literal);
|
|
if ( isZero )
|
|
m_outputState.status.value |= (1 << RegisterBit::Z);
|
|
else
|
|
m_outputState.status.value &= ~(1 << RegisterBit::Z);
|
|
m_outputState.status.known |= (1 << RegisterBit::Z);
|
|
}
|
|
}
|
|
|
|
ProcessorBehaviour Instr_sublw::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
behaviour.working.depends = 0xff;
|
|
behaviour.status.indep = (1 << RegisterBit::C) | (1 << RegisterBit::DC) | (1 << RegisterBit::Z);
|
|
return behaviour;
|
|
}
|
|
|
|
|
|
TQString Instr_xorlw::code() const
|
|
{
|
|
return TQString("xorlw\t%1").arg( m_literal );
|
|
}
|
|
|
|
void Instr_xorlw::generateLinksAndStates( Code::iterator current )
|
|
{
|
|
makeOutputLinks( current );
|
|
m_outputState = m_inputState;
|
|
m_outputState.working.value = (m_inputState.working.value ^ m_literal) & 0xff;
|
|
m_outputState.working.known = m_inputState.working.known;
|
|
m_outputState.status.known &= ~(1 << RegisterBit::Z);
|
|
}
|
|
|
|
ProcessorBehaviour Instr_xorlw::behaviour() const
|
|
{
|
|
ProcessorBehaviour behaviour;
|
|
behaviour.working.depends = 0xff;
|
|
behaviour.status.indep = (1 << RegisterBit::Z);
|
|
return behaviour;
|
|
}
|
|
//END Literal and Control Operations
|
|
|
|
|
|
|
|
//BEGIN Microbe (non-assembly) Operations
|
|
TQString Instr_sourceCode::code() const
|
|
{
|
|
TQStringList sourceLines = TQStringList::split("\n",m_raw);
|
|
return ";" + sourceLines.join("\n;");
|
|
}
|
|
|
|
|
|
TQString Instr_asm::code() const
|
|
{
|
|
return "; asm {\n" + m_raw + "\n; }";
|
|
}
|
|
|
|
|
|
TQString Instr_raw::code() const
|
|
{
|
|
return m_raw;
|
|
}
|
|
//END Microbe (non-assembly) Operations
|
|
|