/[gxemul]/trunk/doc/experiments.html
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 31 by dpavlin, Mon Oct 8 16:19:56 2007 UTC revision 32 by dpavlin, Mon Oct 8 16:20:58 2007 UTC
# Line 10  Line 10 
10    
11  <!--  <!--
12    
13  $Id: experiments.html,v 1.102 2006/06/12 10:21:12 debug Exp $  $Id: experiments.html,v 1.104 2006/10/07 01:40:33 debug Exp $
14    
15  Copyright (C) 2003-2006  Anders Gavare.  All rights reserved.  Copyright (C) 2003-2006  Anders Gavare.  All rights reserved.
16    
# Line 367  following experimental devices: Line 367  following experimental devices:
367      </td>      </td>
368    </tr>    </tr>
369    
370      <tr height="15">
371        <td height="15">&nbsp;</td>
372      </tr>
373    
374      <tr>
375        <td align="left" valign="top">
376            <a name="expdevices_rtc"><b><tt>rtc</tt>:</b></a>
377            <p>A Real-Time Clock, used to retrieve the current time
378            and to cause periodic interrupts.
379            <p>Source code:&nbsp;&nbsp;<font color="#0000f0"><tt>src/devices/dev_rtc.c</tt></font>
380            <p>Include file:&nbsp;&nbsp;<font color="#0000f0"><tt>dev_rtc.h</tt></font>
381            <br>Default physical address:&nbsp&nbsp;<font color="#0000f0">0x15000000</font>
382        </td>
383        <td></td>
384        <td align="left" valign="top">
385            <table border="0">
386              <tr>
387                <td align="left" valign="top"><i><u>Offset:</u></i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>
388                <td align="left" valign="top"><i><u>Effect:</u></i></td>
389              </tr>
390              <tr>
391                <td align="left" valign="top"><tt>0x0000</tt></td>
392                <td align="left" valign="top">Read or Write: Trigger a clock update (a gettimeofday() on the host).</td>
393              </tr>
394              <tr>
395                <td align="left" valign="top"><tt>0x0010</tt></td>
396                <td align="left" valign="top">Read: Seconds since 1st January 1970</td>
397              </tr>
398              <tr>
399                <td align="left" valign="top"><tt>0x0020</tt></td>
400                <td align="left" valign="top">Read: Microseconds</td>
401              </tr>
402              <tr>
403                <td align="left" valign="top"><tt>0x0100</tt></td>
404                <td align="left" valign="top">Read: Get the current
405                    timer interrupt frequency.<br>Write: Set the timer
406                    interrupt frequency. (Writing 0 disables the timer.)</td>
407              </tr>
408              <tr>
409                <td align="left" valign="top"><tt>0x0110</tt></td>
410                <td align="left" valign="top">Read or Write: Acknowledge
411                    one timer interrupt. (Note that if multiple interrupts
412                    are pending, only one is acknowledged.)</td>
413              </tr>
414            </table>
415        </td>
416      </tr>
417    
418  </table></center>  </table></center>
419    
420  <p>  <p>
# Line 424  what kind of IPI it was. Line 472  what kind of IPI it was.
472                          <td>MIPS count/compare interrupt</td></tr>                          <td>MIPS count/compare interrupt</td></tr>
473                  <tr><td align="center">6</td><td></td>                  <tr><td align="center">6</td><td></td>
474                          <td><tt>mp</tt> (inter-processor interrupts)</td></tr>                          <td><tt>mp</tt> (inter-processor interrupts)</td></tr>
475                    <tr><td align="center">4</td><td></td>
476                            <td><tt>rtc</tt></td></tr>
477                  <tr><td align="center">3</td><td></td>                  <tr><td align="center">3</td><td></td>
478                          <td><tt>ether</tt></td></tr>                          <td><tt>ether</tt></td></tr>
479                  <tr><td align="center">2</td><td></td>                  <tr><td align="center">2</td><td></td>
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