2 * Copyright (c) 2004 The Regents of The University of Michigan
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
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14 * this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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30 * User Console Interface
33 #ifndef __CONSOLE_HH__
34 #define __CONSOLE_HH__
38 #include "base/circlebuf.hh"
39 #include "cpu/intr_control.hh"
40 #include "base/pollevent.hh"
41 #include "base/socket.hh"
42 #include "sim/sim_object.hh"
44 class ConsoleListener;
47 class SimConsole : public SimObject
53 class Event : public PollEvent
59 Event(SimConsole *c, int fd, int e);
60 void process(int revent);
70 ConsoleListener *listener;
73 SimConsole(const std::string &name, const std::string &file, int num);
79 std::ostream *outfile;
85 ///////////////////////
88 void attach(int fd, ConsoleListener *l = NULL) { attach(fd, fd, l); }
89 void attach(int in, int out, ConsoleListener *l = NULL);
95 void read(uint8_t &c) { read(&c, 1); }
96 size_t read(uint8_t *buf, size_t len);
97 void write(uint8_t c) { write(&c, 1); }
98 size_t write(const uint8_t *buf, size_t len);
104 // Get a character from the console.
105 bool in(uint8_t &value);
107 // get a character from the console in the console specific format
108 // corresponds to GETC:
110 // 000: success: character received
111 // 001: success: character received, more pending
112 // 100: failure: no character ready
113 // 110: failure: character received with error
114 // 111: failure: character received with error, more pending
116 // character read from console
118 // Interrupts are cleared when the buffer is empty.
119 uint64_t console_in();
121 // Send a character to the console
124 //Ask the console if data is available
125 bool dataAvailable() { return !rxbuf.empty(); }
127 virtual void serialize(std::ostream &os);
128 virtual void unserialize(Checkpoint *cp, const std::string §ion);
131 class ConsoleListener : public SimObject
134 class Event : public PollEvent
137 ConsoleListener *listener;
140 Event(ConsoleListener *l, int fd, int e)
141 : PollEvent(fd, e), listener(l) {}
142 void process(int revent);
148 typedef std::list<SimConsole *> list_t;
149 typedef list_t::iterator iter_t;
153 ListenSocket listener;
156 ConsoleListener(const std::string &name);
159 void add(SimConsole *cons);
162 void listen(int port);
165 #endif // __CONSOLE_HH__