#include "BlockParameterGeneric.h"
#include "AbstractInterface.h"
#include "ConnectedInterface.h"
+#include "GroupInterface.h"
#include "string.h"
#include <sstream>
+#include "Parameters.h"
int GroupBlock::counter = 1;
GroupBlock::GroupBlock(GroupBlock *_parent) throw(Exception) : AbstractBlock() {
+ GroupInterface* clk = NULL;
+ GroupInterface* rst = NULL;
+
// force topGroup to false if this group has a parent
- if (_parent != NULL) {
+ if (_parent != NULL) {
topGroup = false;
name = QString("sub_group")+"_"+QString::number(counter++);
+ // creating clk/rst interfaces
+ clk = new GroupInterface(this,"clk", AbstractInterface::Input, AbstractInterface::Clock);
+ rst = new GroupInterface(this,"reset", AbstractInterface::Input, AbstractInterface::Reset);
+ addInterface(clk);
+ addInterface(rst);
}
else {
topGroup = true;
name = QString("top_group");
+ // creating external clk/rst interfaces
+ clk = new GroupInterface(this,"ext_clk", AbstractInterface::Input, AbstractInterface::Clock);
+ rst = new GroupInterface(this,"ext_reset", AbstractInterface::Input, AbstractInterface::Reset);
+ addInterface(clk);
+ addInterface(rst);
+ // creating clkrstgen block and connecting it to this: done in Dispatcher since this has no access to library
}
parent = _parent;
- if (parent != NULL) {
- // adding this to the child blocks of parent
- AB_TO_GRP(parent)->addBlock(this);
+
+ if (_parent != NULL) {
+ try {
+ connectClkReset();
+ }
+ catch(Exception e) {
+ AbstractBlock* source = (AbstractBlock *)(e.getSource());
+ cerr << qPrintable(source->getName()) << ":" << qPrintable(e.getMessage()) << endl;
+ throw(e);
+ }
}
+
}
GroupBlock::~GroupBlock() {
void GroupBlock::createInputPattern() {
foreach(AbstractInterface* iface, getControlInputs()) {
ConnectedInterface* connIface = AI_TO_CON(iface);
- QList<char>* pattern = new QList<char>(*(connIface->getConnectedFrom()->getOutputPattern()));
- connIface->setOutputPattern(pattern);
- }
+ QList<char>* pattern = new QList<char>(*(connIface->getConnectedFrom()->getOutputPattern()));
+ connIface->setOutputPattern(pattern);
+ }
}
-bool GroupBlock::checkInputPatternCompatibility() {
- return true;
-
+void GroupBlock::computeAdmittanceDelays() throw(Exception) {
+ throw(Exception(INVALID_GROUPBLOCK_USE));
}
-bool GroupBlock::computeOutputPattern(int nbExec) {
+void GroupBlock::checkInputPatternCompatibility() throw(Exception){
+ throw(Exception(INVALID_GROUPBLOCK_USE));
+}
+
+
+void GroupBlock::computeOutputPattern(int nbExec) throw(Exception) {
static QString fctName = "GroupBlock::computeOutputPattern()";
#ifdef DEBUG_FCTNAME
cout << "computing output pattern of group " << qPrintable(name) << endl;
bool canCompute = false;
- bool compatible = false;
// get the input pattern on each inputs
createInputPattern();
// find blocks that are connected to that inputs and generators
QList<AbstractBlock*> fifo;
foreach(AbstractBlock* block, blocks) {
-
+
bool addIt = false;
// if a block is a generator and has control outputs, add it
if (block->isGeneratorBlock()) {
if (block->getControlOutputs().size() > 0) addIt = true;
}
else {
- // if the block has a control input connected from an intput of the group, add it too
- foreach(AbstractInterface* iface, block->getControlInputs()) {
- //cout << qPrintable(iface->getName()) << " of " << qPrintable(iface->getOwner()->getName()) << " connected to " << endl;
- ConnectedInterface* connFrom = ((ConnectedInterface*)iface)->getConnectedFrom();
- //cout << qPrintable(connFrom->getName()) << " of " << qPrintable(connFrom->getOwner()->getName()) << endl;
-
- if (connFrom->getOwner() == this) {
- addIt = true;
- break;
+ // if the block has all its connected control inputs that are connected to an intput of the group, add it too
+ if (block->getControlInputs().size() > 0) {
+ addIt = true;
+ foreach(AbstractInterface* iface, block->getControlInputs()) {
+ //cout << qPrintable(iface->getName()) << " of " << qPrintable(iface->getOwner()->getName()) << " connected to " << endl;
+ ConnectedInterface* connFrom = ((ConnectedInterface*)iface)->getConnectedFrom();
+ //cout << qPrintable(connFrom->getName()) << " of " << qPrintable(connFrom->getOwner()->getName()) << endl;
+
+ if (connFrom == NULL) {
+ addIt = false;
+ break;
+ }
+ else if (connFrom->getOwner() != this) {
+ addIt = false;
+ break;
+ }
}
}
}
if (addIt) {
cout << "adding " << qPrintable(block->getName()) << " to initialize the FIFO" << endl;
- fifo.append(block);
+ block->setTraversalLevel(0); // level 0 = first blocks to be evaluated
+ fifo.append(block);
}
}
AbstractBlock* block = fifo.takeFirst();
if (block->getPatternComputed()) continue; // block has already been processed
+
+ cout << "computing compat and output for " << qPrintable(block->getName()) << endl;
+
+
+ try {
+ block->checkInputPatternCompatibility();
+ }
+ catch(Exception e) {
+ cout << qPrintable(block->getName()) << " is not compatible with its input pattern" << endl;
+ throw(e);
+ }
- compatible = block->checkInputPatternCompatibility();
- if (!compatible) {
- cout << qPrintable(block->getName()) << " is not compatible with his input pattern" << endl;
- break;
+ try {
+ block->computeOutputPattern();
}
- canCompute = block->computeOutputPattern();
- if (!canCompute) {
+ catch(Exception e) {
cout << "cannot finalize output pattern computation of " << qPrintable(block->getName()) << endl;
- break;
+ throw(e);
}
+ canCompute = true;
block->setPatternComputed(true);
- // add other blocks connected from block to the fifo
+ /* add other blocks connected from block to the fifo but only if
+ all their connected inputs are connected to blocks that have
+ a traversalLevel >=0
+ */
foreach(AbstractInterface* iface, block->getControlOutputs()) {
ConnectedInterface* conn = (ConnectedInterface*)iface;
foreach(ConnectedInterface* connTo, conn->getConnectedTo()) {
- /* if connTo is owned by a functional block
- or by a group block that is within this, add the block to the fifo.
- */
- if (connTo->getOwner()->isFunctionalBlock()) {
- fifo.append(connTo->getOwner());
+
+ AbstractBlock* block1 = connTo->getOwner();
+ cout << "testing if " << qPrintable(block1->getName()) << " has all connected inputs connected to already processed blocks" << endl;
+ bool addIt = true;
+ int maxLevel = 0;
+
+ foreach(AbstractInterface* iface, block1->getControlInputs()) {
+ //cout << qPrintable(iface->getName()) << " of " << qPrintable(iface->getOwner()->getName()) << " connected to " << endl;
+ ConnectedInterface* connFrom = ((ConnectedInterface*)iface)->getConnectedFrom();
+ //cout << qPrintable(connFrom->getName()) << " of " << qPrintable(connFrom->getOwner()->getName()) << endl;
+
+ if ((connFrom != NULL) && (connFrom->getOwner()->getPatternComputed() == false)) {
+ addIt = false;
+ break;
+ }
+ else {
+ if (connFrom->getOwner()->getTraversalLevel() > maxLevel) maxLevel = connFrom->getOwner()->getTraversalLevel();
+ }
+ }
+
+ if (addIt) {
+ cout << "adding " << qPrintable(block1->getName()) << " to the FIFO" << endl;
+ block1->setTraversalLevel(maxLevel+1); // level 0 = first blocks to be evaluated
+ fifo.append(block1);
}
- else if (connTo->getOwner() != this) {
- fifo.append(connTo->getOwner());
- }
}
}
}
-
+
if (canCompute) {
foreach(AbstractInterface* iface, getControlOutputs()) {
ConnectedInterface* connIface = AI_TO_CON(iface);
QList<char>* pattern = new QList<char>(*(connIface->getConnectedFrom()->getOutputPattern()));
- connIface->setOutputPattern(pattern);
+ connIface->setOutputPattern(pattern);
}
setPatternComputed(true);
}
- return canCompute;
}
+
+void GroupBlock::generateVHDL(const QString& path) throw(Exception) {
+
+ QString coreFile = "";
+
+ coreFile = path;
+ coreFile.append(Parameters::normalizeName(name));
+ coreFile.append(".vhd");
+
+ QFile vhdlCore(coreFile);
+
+ if (!vhdlCore.open(QIODevice::WriteOnly)) {
+ throw(Exception(VHDLFILE_NOACCESS));
+ }
+
+ cout << "generate VHDL of block " << qPrintable(name) << " in " << qPrintable(coreFile) << endl;
+ QTextStream outCore(&vhdlCore);
+
+ QDomElement dummyElt;
+ try {
+ generateComments(outCore,dummyElt,"");
+ generateLibraries(outCore,dummyElt);
+ generateEntity(outCore);
+ generateArchitecture(outCore,dummyElt);
+ }
+ catch(Exception err) {
+ throw(err);
+ }
+
+ vhdlCore.close();
+}
+
+
+void GroupBlock::generateComments(QTextStream& out, QDomElement &elt, QString coreFile) throw(Exception) {
+ out << " -- VHDL generated automatically for " << name << " --" << endl << endl;
+}
+
+void GroupBlock::generateLibraries(QTextStream& out, QDomElement &elt) throw(Exception) {
+
+ out << "library IEEE;" << endl;
+ out << "use IEEE.STD_LOGIC_1164.all;" << endl;
+ out << "use IEEE.numeric_std.all;" << endl;
+
+}
+
+void GroupBlock::generateEntity(QTextStream& out, bool hasController) throw(Exception) {
+
+ int i;
+
+ out << "entity " << name << " is " << endl;
+
+ QList<BlockParameter*> listGenerics = getGenericParameters();
+ QList<AbstractInterface*> listInputs = getInputs();
+ QList<AbstractInterface*> listOutputs = getOutputs();
+ QList<AbstractInterface*> listBidirs = getBidirs();
+
+ if (!listGenerics.isEmpty()) {
+ out << " generic (" << endl;
+ for(i=0;i<listGenerics.size()-1;i++) {
+ out << " " << listGenerics.at(i)->toVHDL(BlockParameter::Entity, 0) << endl;
+ }
+ out << " " << listGenerics.at(i)->toVHDL(BlockParameter::Entity,BlockParameter::NoComma) << endl;
+ out << " );" << endl;
+ }
+
+ out << " port (" << endl;
+
+ // Generation of the clk & rst signals
+ out << " -- clk/rst" << endl;
+ foreach(AbstractInterface* iface, listInputs) {
+ if(iface->getPurpose() == AbstractInterface::Clock || iface->getPurpose() == AbstractInterface::Reset) {
+ out << " " << iface->getName() << " : in std_logic;" << endl;
+ }
+ }
+
+ int count = 0;
+ foreach(AbstractInterface* iface, getInterfaces()) {
+ if((iface->getPurpose() == AbstractInterface::Data)||(iface->getPurpose() == AbstractInterface::Control)) count++;
+ }
+ // Generation of the data/control signals
+
+ int flag = 0;
+ bool first = true;
+
+ foreach(AbstractInterface* iface, listInputs) {
+ if(iface->getPurpose() == AbstractInterface::Data) {
+ if (first) {
+ out << " -- input data ports" << endl;
+ first = false;
+ }
+ count--;
+ if (count == 0) flag = AbstractInterface::NoComma;
+ out << " " << iface->toVHDL(AbstractInterface::Entity, flag) << endl;
+ }
+ }
+ first = true;
+ foreach(AbstractInterface* iface, listInputs) {
+ if(iface->getPurpose() == AbstractInterface::Control) {
+ if (first) {
+ out << " -- input control ports" << endl;
+ first = false;
+ }
+ count--;
+ if (count == 0) flag = AbstractInterface::NoComma;
+ out << " " << iface->toVHDL(AbstractInterface::Entity, flag) << endl;
+ }
+ }
+ first = true;
+ foreach(AbstractInterface* iface, listOutputs) {
+ if(iface->getPurpose() == AbstractInterface::Data) {
+ if (first) {
+ out << " -- output data ports" << endl;
+ first = false;
+ }
+ count--;
+ if (count == 0) flag = AbstractInterface::NoComma;
+ out << " " << iface->toVHDL(AbstractInterface::Entity, flag) << endl;
+ }
+ }
+ first = true;
+ foreach(AbstractInterface* iface, listOutputs) {
+ if(iface->getPurpose() == AbstractInterface::Control) {
+ if (first) {
+ out << " -- output control ports" << endl;
+ first = false;
+ }
+ count--;
+ if (count == 0) flag = AbstractInterface::NoComma;
+ out << " " << iface->toVHDL(AbstractInterface::Entity, flag) << endl;
+ }
+ }
+ first = true;
+ foreach(AbstractInterface* iface, listBidirs) {
+ if(iface->getPurpose() == AbstractInterface::Data) {
+ if (first) {
+ out << " -- bidirs data ports" << endl;
+ first = false;
+ }
+ count--;
+ if (count == 0) flag = AbstractInterface::NoComma;
+ out << " " << iface->toVHDL(AbstractInterface::Entity, flag) << endl;
+ }
+ }
+ out << " );" << endl << endl;
+ out << "end " << name << ";" << endl << endl;
+
+}
+
+void GroupBlock::generateArchitecture(QTextStream& out, QDomElement &elt) throw(Exception) {
+
+}
+
+void GroupBlock::generateController(QTextStream &out) throw(Exception) {
+
+}
+
