#include "GroupBlock.h"
#include "BlockParameterGeneric.h"
#include "AbstractInterface.h"
+#include "ConnectedInterface.h"
+#include "GroupInterface.h"
#include "string.h"
#include <sstream>
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 : 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) {
+ // adding this to the child blocks of parent
+ _parent->addBlock(this);
+ // connect clk/rst ifaces to parent clk/rst or to clkrstgen if parent is top group
+ if (_parent->isTop()) {
+
+ }
+ else {
+
+ }
}
}
return true;
}
+bool GroupBlock::isTopGroupBlock() {
+ return topGroup;
+}
+
void GroupBlock::setParent(AbstractBlock *_parent) {
parent = _parent;
if (parent != NULL) {
BlockParameter* p = getParameterFromName(name);
if (p != NULL) params.removeAll(p);
}
+
+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);
+ }
+}
+
+void GroupBlock::computeAdmittanceDelays() throw(Exception) {
+ throw(Exception(INVALID_GROUPBLOCK_USE));
+}
+
+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 << "call to " << qPrintable(fctName) << endl;
+#endif
+
+ cout << "computing output pattern of group " << qPrintable(name) << endl;
+
+ bool canCompute = false;
+ // get the input pattern on each inputs
+ createInputPattern();
+
+ cout << "Input pattern OK" << endl;
+ // 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 all its connected inputs that are connected to an intput of the group, add it too
+ 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;
+ block->setTraversalLevel(0); // level 0 = first blocks to be evaluated
+ fifo.append(block);
+ }
+ }
+
+ while (!fifo.isEmpty()) {
+ 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);
+ }
+
+ try {
+ block->computeOutputPattern();
+ }
+ catch(Exception e) {
+ cout << "cannot finalize output pattern computation of " << qPrintable(block->getName()) << endl;
+ throw(e);
+ }
+ canCompute = true;
+ block->setPatternComputed(true);
+ /* 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()) {
+
+ 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);
+ }
+ }
+ }
+ }
+
+ if (canCompute) {
+ foreach(AbstractInterface* iface, getControlOutputs()) {
+ ConnectedInterface* connIface = AI_TO_CON(iface);
+ QList<char>* pattern = new QList<char>(*(connIface->getConnectedFrom()->getOutputPattern()));
+ connIface->setOutputPattern(pattern);
+ }
+ setPatternComputed(true);
+ }
+}
+
+void GroupBlock::generateVHDL(const QString& path) throw(Exception) {
+
+ QString coreFile = "";
+
+ coreFile = path;
+ coreFile.append(normalizeName(name));
+ coreFile.append(".vhd");
+
+ QFile vhdlCore(coreFile);
+
+ if (!vhdlCore.open(QIODevice::WriteOnly)) {
+ throw(Exception(VHDLFILE_NOACCESS));
+ }
+
+ QTextStream outCore(&vhdlCore);
+
+ try {
+ generateComments(outCore);
+ generateLibraries(outCore);
+ generateEntity(outCore);
+ generateArchitecture(outCore);
+ }
+ catch(Exception err) {
+ throw(err);
+ }
+
+ vhdlCore.close();
+}
+
+
+void GroupBlock::generateComments(QTextStream& out) throw(Exception) {
+ out << " -- VHDL generated automatically for " << name << " --" << endl << endl;
+}
+
+void GroupBlock::generateLibraries(QTextStream& out) 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) 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) throw(Exception) {
+
+}
+
