diff options
Diffstat (limited to 'src/mem/bus.hh')
| -rw-r--r-- | src/mem/bus.hh | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/mem/bus.hh b/src/mem/bus.hh index 9fb33b7c3..ff1d2545d 100644 --- a/src/mem/bus.hh +++ b/src/mem/bus.hh @@ -59,6 +59,8 @@ class Bus : public MemObject /** the next tick at which the bus will be idle */ Tick tickNextIdle; + Event * drainEvent; + static const int defaultId = -3; //Make it unique from Broadcast struct DevMap { @@ -144,7 +146,7 @@ class Bus : public MemObject /** Constructor for the BusPort.*/ BusPort(const std::string &_name, Bus *_bus, int _id) - : Port(_name), _onRetryList(false), bus(_bus), id(_id) + : Port(_name, _bus), _onRetryList(false), bus(_bus), id(_id) { } bool onRetryList() @@ -240,6 +242,9 @@ class Bus : public MemObject /** Port that handles requests that don't match any of the interfaces.*/ BusPort *defaultPort; + /** Has the user specified their own default responder? */ + bool responderSet; + public: /** A function used to return the port associated with this bus object. */ @@ -247,9 +252,13 @@ class Bus : public MemObject virtual void init(); - Bus(const std::string &n, int bus_id, int _clock, int _width) + unsigned int drain(Event *de); + + Bus(const std::string &n, int bus_id, int _clock, int _width, + bool responder_set) : MemObject(n), busId(bus_id), clock(_clock), width(_width), - tickNextIdle(0), busIdle(this), inRetry(false), defaultPort(NULL) + tickNextIdle(0), drainEvent(NULL), busIdle(this), inRetry(false), + defaultPort(NULL), responderSet(responder_set) { //Both the width and clock period must be positive if (width <= 0) |