<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
        <title>OpenCores</title>
    <link rel="stylesheet" type="text/css" href="https://cdn.opencores.org/compiled-d3c4fad592.css" />
    <link rel="icon" type="image/png" href="https://cdn.opencores.org/img/favicon.png" />
    <link rel="shortcut icon" type="image/png" href="https://cdn.opencores.org/img/favicon.png" />
    <link type="text/css" href="https://fonts.googleapis.com/css?family=Ubuntu:regular,bold" rel="stylesheet" />
    
    <link type="text/css" href="/websvn/templates/calm/styles.css" rel="stylesheet" media="screen" />
    <link type="text/css" href="/websvn/templates/calm/star-light/star-light.css" rel="stylesheet" media="screen" />
    <!--[if gte IE 5.5000]>
    <style type="text/css" media="screen">
        tbody tr td { padding:1px 0 }
        #wrap h2 { padding:10px 5px 0 5px; margin-bottom:-8px }
    </style>
    <![endif]-->
    <script type="text/javascript">
        function getPath(){
            return './websvn';
        }

        function checkCB(chBox) {
            count = 0
            first = null
            f = chBox.form
            for(i = 0 ; i < f.elements.length ; i++)
            if(f.elements[i].type == 'checkbox' && f.elements[i].checked) {
                if(first == null && f.elements[i] != chBox) {
                    first = f.elements[i]
                }
                count += 1
            }

            if (count > 2) {
               first.checked = false
               count -= 1
            }
        }
    </script>
    <script type="text/javascript" src="/websvn/templates/calm/collapse.js"></script>
        <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
    <meta name="keywords" content="cores, VHDL, Verilog HDL, ASIC, Synthesizable, standard cell, IP, Intellectual Property, 32-bit RISC, UART, PCI, SDRAM, full custom, system on a chip, SOC, reusable, design, development, synthesis, designs, developers, C, Linux, eCos, open, free, open source cores, RTL code, system-on-a-chip, circuits, digital, GNU, GPL, core, controller, processor, system design, chip design, EDA, design methodology, design tools, ASICs, programmable logic, FPGA's, PLDs, CPLDs, verification, Synthesis, HDL, Simulation, IC design software, semiconductor design, integrated circuits, system designs, chip designs, EDAs,  design methodologies, design tool, ASIC, programmable logics, FPGA, PLD, CPLD, Synthesis,  circuit, Synopsys, system design, chip design, programmable logic, FPGA's, PLDs,  CPLDs, verification, Simulation
" />
        <script defer="defer" type="text/javascript" src="https://cdn.opencores.org/jquery-1.6.2.min.js"></script>
    <script defer="defer" type="text/javascript" src="https://cdn.opencores.org/compiled-92d7b79b19.js"></script>
        <script async type="text/javascript" src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
        <!--[if IE 6]>
    <link rel="stylesheet" type="text/css" href="https://cdn.opencores.org/ie6.css" />
    <![endif]-->
    <!--[if (IE 7)|(IE 8)]>
    <link rel="stylesheet" type="text/css" href="https://cdn.opencores.org/ie78.css" />
    <![endif]-->
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    
    <!-- Global site tag (gtag.js) - Google Analytics -->
    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-172123432-1"></script>
    <script>
        window.dataLayer = window.dataLayer || [];
        function gtag(){dataLayer.push(arguments);}
        gtag('js', new Date());
        gtag('config', 'UA-172123432-1');
    </script>
    
</head>
<body>
<div id="old-browser-warning"></div>
<div class="main">
    <div class="top">
        <a href="/"><img src="https://cdn.opencores.org/design/OpenCores.png" alt="OpenCores" width="235" height="80" /></a>
    </div>
    <div class="line">
        <div></div>
        <img src="https://cdn.opencores.org/design/corner.png" alt="" width="28" height="28" />
    </div>
    <div class="mid" id="dm">
        <div class="mainmenu" id="dml">
            <div class="menu menu-login">
        <form action="/login" method="post">
    Username:
    <input type="hidden" name="redirect" value="websvn/rss" />
    <input class="design ie6_input" name="user" type="text" />
    <br />
    Password:
    <br />
    <input class="design ie6_input" name="pass" type="password" />
    <br />
    <input class="design" name="remember" type="checkbox" />Remember me
    <br />
    <input class="design" type="submit" value="Login" />
    </form>
    <form action="/signup" method="post">
    <input class="design" type="submit" value="Register" />
    </form>
    </div>

<div class="menu">
    <h2> Browse </h2>
    <ul>
    <li><a href="/projects">Projects</a></li>
    <li><a href="/forum">Forums</a></li>
    <li><a href="#about" onclick="return !toggle(this);">About</a>
        <ul style="display: none;">
        <li><a href="/about/mission">Mission</a></li>
        <li><a href="/about/logos">Logos</a></li>
        <li><a href="/about/community">Community</a></li>
        <li><a href="/about/statistics">Statistics</a></li>
        </ul>
    </li>
    <li><a href="#howto" onclick="return !toggle(this);">HowTo/FAQ</a>
        <ul style="display: none;">
        <li><a href="/howto/faq">FAQ</a></li>
        <li><a href="/howto/project">Project</a></li>
        <li><a href="/howto/svn">SVN</a></li>
        <li><a href="/howto/wishbone">WISHBONE</a></li>
        <li><a href="/howto/eda">EDA Tools</a></li>
        </ul>
    </li>
    <li><a href="#media" onclick="return !toggle(this);">Media</a>
        <ul style="display: none;">
        <li><a href="/news">News</a></li>
        <li><a href="/articles">Articles</a></li>
        <li><a href="/newsletters">Newsletter</a></li>
        </ul>
    </li>
    <li><a href="/licensing">Licensing</a></li>
    <li><a href="#commerce" onclick="return !toggle(this);">Commerce</a>
        <ul style="display: none;">
        <li><a href="/shop/items">Shop</a></li>
        <li><a href="/commerce/advertise">Advertise</a></li>
        <li><a href="/commerce/jobs">Jobs</a></li>
        </ul>
    </li>
    <li><a href="/partners">Partners</a></li>
    <li><a href="/maintainers/oliscience">Maintainers</a></li>
    <li><a href="/contact">Contact us</a></li>
    </ul>
</div>



<div class="pad_leftside" style="border:0px">
    <ins
        class="adsbygoogle"
        style="display:inline-block;width:125px;height:125px"
        data-ad-client="ca-pub-8561717607970465"
        data-ad-slot="8586056206"></ins>
    <script type="text/javascript">(adsbygoogle = window.adsbygoogle || []).push({});</script>
</div>


<div class="menu menu-tools">
    <h2> Tools </h2>
    <form action="//www.google.com/cse" id="cse-search-box">
    <div>
        <input type="hidden" name="cx" value="012935124227736198121:b6s3cwd8ada" />
        <input type="hidden" name="ie" value="UTF-8" />
        <input type="text" name="q" size="12" />
        <input type="submit" name="sa" value="Search" />
    </div>
    </form>
</div>
        </div>
        <div class="content" id="dmc">
                        
            <div class="banner" style="padding: 6px 0px; width: 1020px; overflow: visible;">
                <ins
                    class="adsbygoogle"
                    style="display:inline-block;width:468px;height:60px"
                    data-ad-client="ca-pub-8561717607970465"
                    data-ad-slot="8506821698"></ins>
                <script type="text/javascript">(adsbygoogle = window.adsbygoogle || []).push({});</script>
                <ins
                    class="adsbygoogle"
                    style="display:inline-block;width:468px;height:60px"
                    data-ad-client="ca-pub-8561717607970465"
                    data-ad-slot="8506821698"></ins>
                <script type="text/javascript">(adsbygoogle = window.adsbygoogle || []).push({});</script>
            </div>
            
            
                        <div style="display: flex;">
                <button onclick="location.href='/projects/ion'">Back to project</button>
                <div style="display: flex; align-items: center; border: 1px solid black; border-radius: 4px; padding: 0 4px; margin-left: 12px;">
                    <strong style="padding-right: 4px;">URL</strong>
                    https://opencores.org/ocsvn/ion/ion/trunk
                </div>
            </div>
            
            <br /><b>Error creating feed file, please check write permissions.</b><br /><?xml version="1.0" encoding="ISO-8859-1"?>
<!-- generator="FeedCreator 1.7.2" -->
<rss version="2.0">
    <channel>
        <title>ion</title>
        <description>WebSVN RSS feed - ion</description>
        <link>https://opencores.org/websvn//websvn/listing?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2Fmips_cache_stub.vhdl&amp;</link>
        <lastBuildDate>Sat, 26 Sep 2026 17:26:45 +0100</lastBuildDate>
        <generator>FeedCreator 1.7.2</generator>
        <item>
            <title>ADDED cache control inputs (unused) to dummy cache</title>
            <link>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=103</link>
            <description>&lt;div&gt;&lt;strong&gt;Rev 103 - ja_rd&lt;/strong&gt; (1 file(s) modified)&lt;/div&gt;&lt;div&gt;ADDED cache control inputs (unused) to dummy cache&lt;/div&gt;~ /ion/trunk/vhdl/mips_cache_stub.vhdl&lt;br /&gt;</description>
            <author>ja_rd</author>
            <pubDate>Sat, 26 Mar 2011 17:18:02 +0100</pubDate>
            <guid>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=103</guid>
        </item>
        <item>
            <title>CPU rd and wr data address buses unified</title>
            <link>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=96</link>
            <description>&lt;div&gt;&lt;strong&gt;Rev 96 - ja_rd&lt;/strong&gt; (3 file(s) modified)&lt;/div&gt;&lt;div&gt;CPU rd and wr data address buses unified&lt;/div&gt;~ /ion/trunk/vhdl/mips_cache_stub.vhdl&lt;br /&gt;~ /ion/trunk/vhdl/mips_cpu.vhdl&lt;br /&gt;~ /ion/trunk/vhdl/tb/mips_tb_pkg.vhdl&lt;br /&gt;</description>
            <author>ja_rd</author>
            <pubDate>Wed, 02 Mar 2011 08:03:42 +0100</pubDate>
            <guid>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=96</guid>
        </item>
        <item>
            <title>BUG FIX: cache stub properly handles all kind of cycles ...</title>
            <link>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=95</link>
            <description>&lt;div&gt;&lt;strong&gt;Rev 95 - ja_rd&lt;/strong&gt; (1 file(s) modified)&lt;/div&gt;&lt;div&gt;BUG FIX: cache stub properly handles all kind of cycles ...&lt;/div&gt;~ /ion/trunk/vhdl/mips_cache_stub.vhdl&lt;br /&gt;</description>
            <author>ja_rd</author>
            <pubDate>Sat, 19 Feb 2011 11:43:37 +0100</pubDate>
            <guid>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=95</guid>
        </item>
        <item>
            <title>Stub cache fixed
Now supports code refills from static 16- and ...</title>
            <link>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=80</link>
            <description>&lt;div&gt;&lt;strong&gt;Rev 80 - ja_rd&lt;/strong&gt; (1 file(s) modified)&lt;/div&gt;&lt;div&gt;Stub cache fixed&lt;br /&gt;
Now supports code refills from static 16- and ...&lt;/div&gt;~ /ion/trunk/vhdl/mips_cache_stub.vhdl&lt;br /&gt;</description>
            <author>ja_rd</author>
            <pubDate>Thu, 10 Feb 2011 16:27:23 +0100</pubDate>
            <guid>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=80</guid>
        </item>
        <item>
            <title>Added support for 8-bit-wide static memory (e.g. Flash)
Updated demo 'top' ...</title>
            <link>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=75</link>
            <description>&lt;div&gt;&lt;strong&gt;Rev 75 - ja_rd&lt;/strong&gt; (3 file(s) modified)&lt;/div&gt;&lt;div&gt;Added support for 8-bit-wide static memory (e.g. Flash)&lt;br /&gt;
Updated demo 'top' ...&lt;/div&gt;~ /ion/trunk/vhdl/demo/c2sb_demo.vhdl&lt;br /&gt;~ /ion/trunk/vhdl/mips_cache_stub.vhdl&lt;br /&gt;~ /ion/trunk/vhdl/mips_pkg.vhdl&lt;br /&gt;</description>
            <author>ja_rd</author>
            <pubDate>Wed, 09 Feb 2011 14:03:45 +0100</pubDate>
            <guid>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=75</guid>
        </item>
        <item>
            <title>Fixed comment about write cycles in cache module</title>
            <link>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=73</link>
            <description>&lt;div&gt;&lt;strong&gt;Rev 73 - ja_rd&lt;/strong&gt; (1 file(s) modified)&lt;/div&gt;&lt;div&gt;Fixed comment about write cycles in cache module&lt;/div&gt;~ /ion/trunk/vhdl/mips_cache_stub.vhdl&lt;br /&gt;</description>
            <author>ja_rd</author>
            <pubDate>Wed, 09 Feb 2011 09:37:13 +0100</pubDate>
            <guid>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=73</guid>
        </item>
        <item>
            <title>Fixed stupid bug in SRAM write cycles (setup time violated)
Wait ...</title>
            <link>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=72</link>
            <description>&lt;div&gt;&lt;strong&gt;Rev 72 - ja_rd&lt;/strong&gt; (2 file(s) modified)&lt;/div&gt;&lt;div&gt;Fixed stupid bug in SRAM write cycles (setup time violated)&lt;br /&gt;
Wait ...&lt;/div&gt;~ /ion/trunk/vhdl/mips_cache_stub.vhdl&lt;br /&gt;~ /ion/trunk/vhdl/mips_pkg.vhdl&lt;br /&gt;</description>
            <author>ja_rd</author>
            <pubDate>Wed, 09 Feb 2011 09:33:59 +0100</pubDate>
            <guid>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=72</guid>
        </item>
        <item>
            <title>Refactored memory decoding logic
(wait states and read-only attributes unimplemented yet)</title>
            <link>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=64</link>
            <description>&lt;div&gt;&lt;strong&gt;Rev 64 - ja_rd&lt;/strong&gt; (2 file(s) modified)&lt;/div&gt;&lt;div&gt;Refactored memory decoding logic&lt;br /&gt;
(wait states and read-only attributes unimplemented yet)&lt;/div&gt;~ /ion/trunk/vhdl/mips_cache_stub.vhdl&lt;br /&gt;~ /ion/trunk/vhdl/mips_pkg.vhdl&lt;br /&gt;</description>
            <author>ja_rd</author>
            <pubDate>Tue, 08 Feb 2011 21:22:52 +0100</pubDate>
            <guid>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=64</guid>
        </item>
        <item>
            <title>Cleaned up cache stub code</title>
            <link>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=58</link>
            <description>&lt;div&gt;&lt;strong&gt;Rev 58 - ja_rd&lt;/strong&gt; (1 file(s) modified)&lt;/div&gt;&lt;div&gt;Cleaned up cache stub code&lt;/div&gt;~ /ion/trunk/vhdl/mips_cache_stub.vhdl&lt;br /&gt;</description>
            <author>ja_rd</author>
            <pubDate>Sun, 06 Feb 2011 21:04:56 +0100</pubDate>
            <guid>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=58</guid>
        </item>
        <item>
            <title>First version of cache: stub, 1-word cache
Stub cache tested on ...</title>
            <link>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=46</link>
            <description>&lt;div&gt;&lt;strong&gt;Rev 46 - ja_rd&lt;/strong&gt; (4 file(s) modified)&lt;/div&gt;&lt;div&gt;First version of cache: stub, 1-word cache&lt;br /&gt;
Stub cache tested on ...&lt;/div&gt;~ /ion/trunk/vhdl/demo/c2sb_demo.vhdl&lt;br /&gt;~ /ion/trunk/vhdl/demo/mips_mpu.vhdl&lt;br /&gt;~ /ion/trunk/vhdl/mips_cache_stub.vhdl&lt;br /&gt;~ /ion/trunk/vhdl/mips_cpu.vhdl&lt;br /&gt;</description>
            <author>ja_rd</author>
            <pubDate>Sun, 06 Feb 2011 15:28:28 +0100</pubDate>
            <guid>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=46</guid>
        </item>
        <item>
            <title>added comments to dummy 'cache' stub</title>
            <link>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=43</link>
            <description>&lt;div&gt;&lt;strong&gt;Rev 43 - ja_rd&lt;/strong&gt; (1 file(s) modified)&lt;/div&gt;&lt;div&gt;added comments to dummy 'cache' stub&lt;/div&gt;~ /ion/trunk/vhdl/mips_cache_stub.vhdl&lt;br /&gt;</description>
            <author>ja_rd</author>
            <pubDate>Fri, 04 Feb 2011 07:37:19 +0100</pubDate>
            <guid>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=43</guid>
        </item>
        <item>
            <title>Added cache stub module, plus related test bench</title>
            <link>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=42</link>
            <description>&lt;div&gt;&lt;strong&gt;Rev 42 - ja_rd&lt;/strong&gt; (6 file(s) modified)&lt;/div&gt;&lt;div&gt;Added cache stub module, plus related test bench&lt;/div&gt;~ /ion/trunk/files.txt&lt;br /&gt;+ /ion/trunk/sim/mips_tb2.do&lt;br /&gt;+ /ion/trunk/sim/mips_tb2_wave.do&lt;br /&gt;+ /ion/trunk/src/mips_tb2_template.vhdl&lt;br /&gt;+ /ion/trunk/vhdl/mips_cache_stub.vhdl&lt;br /&gt;+ /ion/trunk/vhdl/tb/mips_tb2.vhdl&lt;br /&gt;</description>
            <author>ja_rd</author>
            <pubDate>Wed, 02 Feb 2011 13:02:50 +0100</pubDate>
            <guid>https://opencores.org/websvn//websvn/revision?repname=ion&amp;path=%2Fion%2Ftrunk%2Fvhdl%2F&amp;rev=42</guid>
        </item>
    </channel>
</rss>

        </div>

                
        <div style="clear: both; margin-left: 200px;">
            <ins
                class="adsbygoogle"
                style="display:inline-block;width:728px;height:90px"
                data-ad-client="ca-pub-8561717607970465"
                data-ad-slot="4128044249"></ins>
            <script type="text/javascript">(adsbygoogle = window.adsbygoogle || []).push({});</script>
        </div>
        
            </div>
    <div class="bot">
        &copy; copyright 1999-2026
OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores&reg;, registered trademark.
    </div>
</div>

<!-- Old browser warning -->
<script type="text/javascript">
  if (!('borderImage' in document.createElement('div').style)) {
    var div = document.getElementById('old-browser-warning')
    div.innerHTML = '<b>Your browser is out-of-date!</b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Update your browser to view this website correctly.'
    div.setAttribute('style', 'background-color: red; border-bottom: 2px solid black; margin: 0 -12px 12px -12px; padding: 12px; text-align: center;')
  }
</script>
<!-- /Old browser warning -->
<!-- Google search -->
<script type="text/javascript" src="//www.google.com/jsapi"></script>
<script type="text/javascript">google.load("elements", "1", {packages: "transliteration"});</script>
<script type="text/javascript" src="//www.google.com/coop/cse/t13n?form=cse-search-box&amp;t13n_langs=en"></script>
<script type="text/javascript" src="//www.google.com/coop/cse/brand?form=cse-search-box&amp;lang=en"></script>
<!-- /Google search -->

</body>
</html>