direction = Input;
purpose = Data;
type = Boolean;
+ endianess = LittleEndian;
+ associatedIface = NULL;
}
-AbstractInterface::AbstractInterface(AbstractBlock* _owner, const QString& _name, const QString& _type, const QString& _width, int _direction, int _purpose) {
+AbstractInterface::AbstractInterface(AbstractBlock* _owner, const QString& _name, int _direction, int _purpose, const QString& _type, const QString& _width, int _endianess) {
owner = _owner;
name = _name;
direction = _direction;
purpose = _purpose;
type = typeFromString(_type);
+ endianess = _endianess;
+ associatedIface = NULL;
}
AbstractInterface::AbstractInterface(AbstractInterface* other) {
width = other->width;
direction = other->direction;
purpose = other->purpose;
+ endianess = LittleEndian;
+ associatedIface = NULL;
}
AbstractInterface::~AbstractInterface() {
return false;
}
+QString AbstractInterface::getEndianessString() {
+ QString str="unknown";
+ switch(endianess){
+ case AbstractInterface::LittleEndian:
+ str = QString("little");
+ break;
+ case AbstractInterface::BigEndian:
+ str = QString("big");
+ break;
+ }
+ return str;
+}
+
QString AbstractInterface::getPurposeString() {
- QString str;
- switch(purpose){
- case AbstractInterface::Data:
- str = QString("data");
- break;
- case AbstractInterface::Clock:
- str = QString("clock");
- break;
- case AbstractInterface::Reset:
- str = QString("reset");
- break;
- case AbstractInterface::Wishbone:
- str = QString("wishbone");
- break;
- }
- return str;
+ QString str;
+ switch(purpose){
+ case AbstractInterface::AnyPurpose:
+ str = QString("any");
+ break;
+ case AbstractInterface::Data:
+ str = QString("data");
+ break;
+ case AbstractInterface::Control:
+ str = QString("control");
+ break;
+ case AbstractInterface::Clock:
+ str = QString("clock");
+ break;
+ case AbstractInterface::Reset:
+ str = QString("reset");
+ break;
+ case AbstractInterface::Wishbone:
+ str = QString("wishbone");
+ break;
+ }
+ return str;
}
QString AbstractInterface::getDirectionString() {
}
}
+bool AbstractInterface::setAssociatedIface(AbstractInterface* iface) {
+ if (purpose != Control) return false;
+ if (iface->purpose != Data) return false;
+ associatedIface = iface;
+ iface->associatedIface = this;
+ return true;
+}
+
int AbstractInterface::getIntDirection(QString str) {
if(str == "input") return Input;
if(str == "output") return Output;
- if(str == "inOut") return InOut;
+ if(str == "inout") return InOut;
return -1;
}
+int AbstractInterface::getIntPurpose(QString str) {
+ if(str == "data") return Data;
+ else if(str == "clock") return Clock;
+ else if(str == "reset") return Reset;
+ else if(str == "wishbone") return Wishbone;
+ return -1;
+}
QString AbstractInterface::getTypeString() {
int AbstractInterface::typeFromString(const QString &_type) {
- int ret;
+ int ret = Expression; // default type
if (_type == "expression") {
ret = Expression;
}
else if (_type == "natural") {
ret = Natural;
}
+ else if (_type == "inherited") {
+ ret = Inherited;
+ }
return ret;
}
QString AbstractInterface::toVHDL(int context, int flags) throw(Exception) {
+
if (isReferenceInterface()) throw(Exception(IFACE_INVALID_TYPE));
QString msb = width;
QString ret="";
bool ok;
+ cout << "iface " << qPrintable(name) << " must be evaluated to vhdl :" << qPrintable(msb) << " with type = " << qPrintable(getTypeString()) << endl;
+
if ((context == BlockParameter::Entity) || (context == BlockParameter::Component)) {
QString formatBool = "%1 : %2 std_logic";
- QString formatVector = "%1 : %2 std_logic_vector(%3 downto %4)";
+ QString formatVector = "";
+ if (endianess == LittleEndian) formatVector = "%1 : %2 std_logic_vector(%3 downto %4)";
+ else formatVector = "%1 : %2 std_logic_vector(%4 to %3)";
+
if ((flags & BlockParameter::NoComma) == 0) {
formatBool.append(";");
formatVector.append(";");
orientation = "inout";
}
if (type == Boolean) {
- ret = formatVector.arg(name).arg(orientation);
+ ret = formatBool.arg(name).arg(orientation);
}
else if (type == Natural) {
int w = width.toInt(&ok);
}
}
else if (type == Expression) {
+
+
/* must check the following conditions :
- if it contains user/port parameters : must evaluate their numeric value
- if it contains generic parameters : just remove the $ -> the expression is not arithmetically evaluated.
QList<BlockParameter*> listPorts = owner->getPortParameters();
foreach(BlockParameter* p, listUsers) {
QString var = "$";
- var.append(p->getName());
+ var += p->getName();
if (width.contains(var)) {
int w = p->getValue().toInt(&ok);
if (!ok) throw(Exception(INVALID_VALUE));
}
foreach(BlockParameter* p, listPorts) {
QString var = "$";
- var.append(p->getName());
+ var += p->getName();
+ if (width.contains(var)) {
+ msb.replace(var,p->toVHDL(0,0));
+ }
+ }
+ foreach(BlockParameter* p, listGenerics) {
+ QString var = "$";
+ var += p->getName();
if (width.contains(var)) {
- BlockParameterPort* pp = (BlockParameterPort*)p;
- AbstractInterface* iface = owner->getIfaceFromName(pp->getIfaceName());
-
- int w = p->getValue().toInt(&ok);
- if (!ok) throw(Exception(INVALID_VALUE));
- msb.replace(var,p->getValue().toString());
+ msb.replace(var,p->getName());
}
}
-
- ret = formatVector.arg(name).arg(orientation).arg("toto").arg("0");
+ msb += "-1";
+ cout << "iface size :" << qPrintable(msb) << endl;
+ ret = formatVector.arg(name).arg(orientation).arg(msb).arg("0");
}
}
return ret;