90bdbf104b973eff8f4e0e7b4d001acb1af0ebfa
2 * Copyright (c) 2014, 2017 ARM Limited
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38 #include "dev/serial/serial.hh"
40 #include "base/logging.hh"
41 #include "params/SerialDevice.hh"
42 #include "params/SerialNullDevice.hh"
44 SerialDevice::SerialDevice(const SerialDeviceParams
&p
) : SimObject(p
)
48 SerialDevice::~SerialDevice()
53 SerialDevice::regInterfaceCallback(const std::function
<void()> &callback
)
55 // This can happen if the user has connected multiple UARTs to the
56 // same terminal. In that case, each of them tries to register
58 fatal_if(interfaceCallback
,
59 "A UART has already been associated with this device.");
60 interfaceCallback
= callback
;
64 SerialDevice::notifyInterface()
66 assert(dataAvailable());
67 // Registering a callback is optional.
68 if (interfaceCallback
)
75 SerialNullDevice::SerialNullDevice(const SerialNullDeviceParams
&p
)
81 SerialNullDevice::readData()
83 panic("SerialNullDevice does not have pending data.\n");
89 SerialNullDeviceParams::create() const
91 return new SerialNullDevice(*this);