diff options
Diffstat (limited to 'src/dev/etherdevice.hh')
| -rw-r--r-- | src/dev/etherdevice.hh | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/dev/etherdevice.hh b/src/dev/etherdevice.hh index 5d86275b4..81e5535b0 100644 --- a/src/dev/etherdevice.hh +++ b/src/dev/etherdevice.hh @@ -39,6 +39,7 @@ #include "base/statistics.hh" #include "dev/pcidev.hh" #include "params/EtherDevice.hh" +#include "params/EtherDevBase.hh" #include "sim/sim_object.hh" class EtherInt; @@ -120,4 +121,31 @@ class EtherDevice : public PciDev Stats::Scalar droppedPackets; }; +/** + * Dummy class to keep the Python class hierarchy in sync with the C++ + * object hierarchy. + * + * The Python object hierarchy includes the EtherDevBase class which + * is used by some ethernet devices as a way to share common + * configuration information in the generated param structs. Since the + * Python hierarchy is used to generate a SWIG interface for all C++ + * SimObjects, we need to reflect this in the C++ object hierarchy. If + * we don't, SWIG might end up doing 'bad things' when it down casts + * ethernet objects to their base class(es). + */ +class EtherDevBase : public EtherDevice +{ + public: + EtherDevBase(const EtherDevBaseParams *params) + : EtherDevice(params) + {} + + const EtherDevBaseParams * + params() const + { + return dynamic_cast<const EtherDevBaseParams *>(_params); + } + +}; + #endif //__DEV_ETHERDEVICE_HH__ |