gem5/dev/simconsole.hh
Steve Reinhardt f267dc4a87 Clean up/standardize handling of various output files.
No more non-intuitive behavior shifts depending on whether
outputDirectory is set (at the expense of backwards compatibility).
outputDirectory is now always valid, defaults to ".".

dev/etherdump.cc:
    Use makeOutputStream() to create output file.
    New behavior: actually complain if dump file can't
    be opened, instead of quietly ignoring the problem.
dev/etherdump.hh:
dev/simconsole.cc:
dev/simconsole.hh:
    Use makeOutputStream() to create output file.
sim/builder.cc:
sim/builder.hh:
sim/main.cc:
    builderStream() is now *configStream.
sim/serialize.cc:
    outputDirectory is now always valid, no need to check.
sim/universe.cc:
    Clean up/standardize handling of various output files.
    No more non-intuitive behavior shifts depending on whether
    outputDirectory is set (at the expense of backwards compatibility).
    outputDirectory is now always valid, defaults to ".".
    New function makeOutputStream() does "the right thing" to
    associate a stream with a filename.

--HG--
extra : convert_revision : a03c58c547221b3906e0d6f55e4a569843f2d646
2004-10-19 20:00:20 -04:00

165 lines
4.5 KiB
C++

/*
* Copyright (c) 2004 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* @file
* User Console Interface
*/
#ifndef __CONSOLE_HH__
#define __CONSOLE_HH__
#include <iostream>
#include "base/circlebuf.hh"
#include "cpu/intr_control.hh"
#include "base/pollevent.hh"
#include "base/socket.hh"
#include "sim/sim_object.hh"
class ConsoleListener;
class Uart;
class SimConsole : public SimObject
{
public:
Uart *uart;
protected:
class Event : public PollEvent
{
protected:
SimConsole *cons;
public:
Event(SimConsole *c, int fd, int e);
void process(int revent);
};
friend class Event;
Event *event;
protected:
int number;
int in_fd;
int out_fd;
ConsoleListener *listener;
public:
SimConsole(const std::string &name, std::ostream *os, int num);
~SimConsole();
protected:
CircleBuf txbuf;
CircleBuf rxbuf;
std::ostream *outfile;
#if TRACING_ON == 1
CircleBuf linebuf;
#endif
public:
///////////////////////
// Terminal Interface
void attach(int fd, ConsoleListener *l = NULL) { attach(fd, fd, l); }
void attach(int in, int out, ConsoleListener *l = NULL);
void detach();
void data();
void close();
void read(uint8_t &c) { read(&c, 1); }
size_t read(uint8_t *buf, size_t len);
void write(uint8_t c) { write(&c, 1); }
size_t write(const uint8_t *buf, size_t len);
public:
/////////////////
// OS interface
// Get a character from the console.
bool in(uint8_t &value);
// get a character from the console in the console specific format
// corresponds to GETC:
// retval<63:61>
// 000: success: character received
// 001: success: character received, more pending
// 100: failure: no character ready
// 110: failure: character received with error
// 111: failure: character received with error, more pending
// retval<31:0>
// character read from console
//
// Interrupts are cleared when the buffer is empty.
uint64_t console_in();
// Send a character to the console
void out(char c);
//Ask the console if data is available
bool dataAvailable() { return !rxbuf.empty(); }
virtual void serialize(std::ostream &os);
virtual void unserialize(Checkpoint *cp, const std::string &section);
};
class ConsoleListener : public SimObject
{
protected:
class Event : public PollEvent
{
protected:
ConsoleListener *listener;
public:
Event(ConsoleListener *l, int fd, int e)
: PollEvent(fd, e), listener(l) {}
void process(int revent);
};
friend class Event;
Event *event;
typedef std::list<SimConsole *> list_t;
typedef list_t::iterator iter_t;
list_t ConsoleList;
protected:
ListenSocket listener;
public:
ConsoleListener(const std::string &name);
~ConsoleListener();
void add(SimConsole *cons);
void accept();
void listen(int port);
};
#endif // __CONSOLE_HH__