diff options
Diffstat (limited to 'src/mem/port.hh')
| -rw-r--r-- | src/mem/port.hh | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/src/mem/port.hh b/src/mem/port.hh index 61c92d8e4..e1f643e8e 100644 --- a/src/mem/port.hh +++ b/src/mem/port.hh @@ -79,6 +79,14 @@ class MemObject; class Port { + public: + + /** A type name for the port identifier. */ + typedef int PortId; + + /** A symbolic name for the absence of a port id. */ + static const PortId INVALID_PORT_ID = -1; + private: /** Descriptive name (for DPRINTF output) */ @@ -86,6 +94,12 @@ class Port protected: + /** + * A numeric identifier to distinguish ports in a vector, and set + * to INVALID_PORT_ID in case this port is not part of a vector. + */ + const PortId id; + /** A pointer to the peer port. */ Port* peer; @@ -97,8 +111,9 @@ class Port * * @param _name Port name including the owners name * @param _owner The MemObject that is the structural owner of this port + * @param _id A port identifier for vector ports */ - Port(const std::string& _name, MemObject& _owner); + Port(const std::string& _name, MemObject& _owner, PortId _id); /** * Virtual destructor due to inheritance. @@ -110,6 +125,9 @@ class Port /** Return port name (for DPRINTF). */ const std::string name() const { return portName; } + /** Get the port id. */ + PortId getId() const { return id; } + protected: /** These functions are protected because they should only be @@ -190,7 +208,8 @@ class MasterPort : public Port public: - MasterPort(const std::string& name, MemObject* owner); + MasterPort(const std::string& name, MemObject* owner, + PortId id = INVALID_PORT_ID); virtual ~MasterPort(); void bind(SlavePort& slave_port); @@ -286,7 +305,8 @@ class SlavePort : public Port public: - SlavePort(const std::string& name, MemObject* owner); + SlavePort(const std::string& name, MemObject* owner, + PortId id = INVALID_PORT_ID); virtual ~SlavePort(); void bind(MasterPort& master_port); |