mingw/info/gdb/Nindy-Options.html

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  18
  19 <h5 class="subsubsection">Options for Nindy</h5>
  20
  21    <p>These are the startup options for beginning your GDB session with a
  22 Nindy-960 board attached:
  23
  24      <dl>
  25 <dt><code>-r </code><var>port</var><code></code>
  26      <dd>Specify the serial port name of a serial interface to be used to connect
  27 to the target system.  This option is only available when GDB is
  28 configured for the Intel 960 target architecture.  You may specify
  29 <var>port</var> as any of: a full pathname (e.g. <code>-r /dev/ttya</code>), a
  30 device name in <code>/dev</code> (e.g. <code>-r ttya</code>), or simply the unique
  31 suffix for a specific <code>tty</code> (e.g. <code>-r a</code>).
  32
  33      <br><dt><code>-O</code>
  34      <dd>(An uppercase letter "O", not a zero.)  Specify that GDB should use
  35 the "old" Nindy monitor protocol to connect to the target system.
  36 This option is only available when GDB is configured for the Intel 960
  37 target architecture.
  38
  39      <blockquote>
  40 <em>Warning:</em> if you specify <code>-O</code>, but are actually trying to
  41 connect to a target system that expects the newer protocol, the connection
  42 fails, appearing to be a speed mismatch.  GDB repeatedly
  43 attempts to reconnect at several different line speeds.  You can abort
  44 this process with an interrupt.
  45 </blockquote>
  46
  47      <br><dt><code>-brk</code>
  48      <dd>Specify that GDB should first send a <code>BREAK</code> signal to the target
  49 system, in an attempt to reset it, before connecting to a Nindy target.
  50
  51      <blockquote>
  52 <em>Warning:</em> Many target systems do not have the hardware that this
  53 requires; it only works with a few boards.
  54 </blockquote>
  55      </dl>
  56
  57    <p>The standard <code>-b</code> option controls the line speed used on the serial
  58 port.
  59
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