diff options
Diffstat (limited to 'src/dev/serial.hh')
| -rw-r--r-- | src/dev/serial.hh | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/dev/serial.hh b/src/dev/serial.hh index 4ea2f5ea8..230ecaa74 100644 --- a/src/dev/serial.hh +++ b/src/dev/serial.hh @@ -44,6 +44,7 @@ #include "sim/sim_object.hh" struct SerialDeviceParams; +struct SerialNullDeviceParams; /** * Base class for serial devices such as terminals. @@ -140,4 +141,18 @@ class SerialDevice : public SimObject Callback *interfaceCallback; }; +/** + * Dummy serial device that discards all data sent to it. + */ +class SerialNullDevice : public SerialDevice +{ + public: + SerialNullDevice(const SerialNullDeviceParams *p); + + public: + bool dataAvailable() const override { return false; } + void writeData(uint8_t c) override {}; + uint8_t readData() override; +}; + #endif // __DEV_SERIAL_HH__ |