diff options
Diffstat (limited to 'src/dev/terminal.cc')
| -rw-r--r-- | src/dev/terminal.cc | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/dev/terminal.cc b/src/dev/terminal.cc index e70a8775f..895069774 100644 --- a/src/dev/terminal.cc +++ b/src/dev/terminal.cc @@ -99,8 +99,8 @@ Terminal::DataEvent::process(int revent) * Terminal code */ Terminal::Terminal(const Params *p) - : SimObject(p), listenEvent(NULL), dataEvent(NULL), number(p->number), - data_fd(-1), txbuf(16384), rxbuf(16384), outfile(NULL) + : SimObject(p), termDataAvail(NULL), listenEvent(NULL), dataEvent(NULL), + number(p->number), data_fd(-1), txbuf(16384), rxbuf(16384), outfile(NULL) #if TRACING_ON == 1 , linebuf(16384) #endif @@ -129,6 +129,17 @@ Terminal::~Terminal() delete dataEvent; } +void +Terminal::regDataAvailCallback(Callback *c) +{ + // This can happen if the user has connected multiple UARTs to the + // same terminal. In that case, each of them tries to register + // callbacks. + if (termDataAvail) + fatal("Terminal already has already been associated with a UART.\n"); + termDataAvail = c; +} + /////////////////////////////////////////////////////////////////////// // socket creation and terminal attach // @@ -215,7 +226,8 @@ Terminal::data() if (len) { rxbuf.write((char *)buf, len); // Inform the UART there is data available - uart->dataAvailable(); + assert(termDataAvail); + termDataAvail->process(); } } |