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109 lines
4.3 KiB
HTML
109 lines
4.3 KiB
HTML
4 years ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- Copyright (C) 1988-2019 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with the
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Invariant Sections being "Free Software" and "Free Software Needs
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Free Documentation", with the Front-Cover Texts being "A GNU Manual,"
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and with the Back-Cover Texts as in (a) below.
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(a) The FSF's Back-Cover Text is: "You are free to copy and modify
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this GNU Manual. Buying copies from GNU Press supports the FSF in
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developing GNU and promoting software freedom." -->
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>OpenRISC 1000 (Debugging with GDB)</title>
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<meta name="description" content="OpenRISC 1000 (Debugging with GDB)">
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<meta name="keywords" content="OpenRISC 1000 (Debugging with GDB)">
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<meta name="resource-type" content="document">
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<meta name="distribution" content="global">
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<meta name="Generator" content="makeinfo">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Embedded-Processors.html#Embedded-Processors" rel="up" title="Embedded Processors">
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<link href="PowerPC-Embedded.html#PowerPC-Embedded" rel="next" title="PowerPC Embedded">
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<link href="MIPS-Embedded.html#MIPS-Embedded" rel="prev" title="MIPS Embedded">
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-->
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</style>
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</head>
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<body lang="en">
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<a name="OpenRISC-1000"></a>
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<div class="header">
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<p>
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Next: <a href="PowerPC-Embedded.html#PowerPC-Embedded" accesskey="n" rel="next">PowerPC Embedded</a>, Previous: <a href="MIPS-Embedded.html#MIPS-Embedded" accesskey="p" rel="prev">MIPS Embedded</a>, Up: <a href="Embedded-Processors.html#Embedded-Processors" accesskey="u" rel="up">Embedded Processors</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="OpenRISC-1000-1"></a>
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<h4 class="subsection">21.3.6 OpenRISC 1000</h4>
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<a name="index-OpenRISC-1000"></a>
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<p>The OpenRISC 1000 provides a free RISC instruction set architecture. It is
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mainly provided as a soft-core which can run on Xilinx, Altera and other
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FPGA’s.
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</p>
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<p><small>GDB</small> for OpenRISC supports the below commands when connecting to
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a target:
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</p>
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<dl compact="compact">
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<dd>
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<a name="index-target-sim"></a>
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</dd>
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<dt><code>target sim</code></dt>
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<dd>
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<p>Runs the builtin CPU simulator which can run very basic
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programs but does not support most hardware functions like MMU.
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For more complex use cases the user is advised to run an external
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target, and connect using ‘<samp>target remote</samp>’.
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</p>
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<p>Example: <code>target sim</code>
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</p>
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</dd>
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<dt><code>set debug or1k</code></dt>
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<dd><p>Toggle whether to display OpenRISC-specific debugging messages from the
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OpenRISC target support subsystem.
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</p>
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</dd>
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<dt><code>show debug or1k</code></dt>
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<dd><p>Show whether OpenRISC-specific debugging messages are enabled.
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</p></dd>
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</dl>
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</body>
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</html>
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