Deploying to gh-pages from @ d7fa741 🚀

master/.buildinfo

@@ -1,4 +1,4 @@
 # Sphinx build info version 1
 # This file hashes the configuration used when building these files. When it is not found, a full rebuild will be done.
-config: 3e6a844c07a3927961e313365b2069b5
+config: 766945666379cf39d35347feb2cf8d9f
 tags: 645f666f9bcd5a90fca523b33c5a78b7

master/VexiiRiscv/BranchPrediction/index.html

@@ -78,8 +78,8 @@
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#other-doc-media-talks">Other doc / media / talks</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#technicalities">Technicalities</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#navigating-the-code">Navigating the code</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#about-vexriscv-not-vexiiriscv">About VexRiscv (not VexiiRiscv)</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../Framework/index.html">Framework</a><ul>
@@ -326,7 +326,7 @@ <h2>LearnPlugin<a class="headerlink" href="#learnplugin" title="Permalink to thi
     <!-- source/_templates/footer.html -->
 
     <div class="doc-footer-current-version"><p>
-    Version: master git~d07b8dd 2024-09-08
+    Version: master git~d7fa741 2024-09-10
     </p></div>
 
 

master/VexiiRiscv/Debug/index.html

@@ -78,8 +78,8 @@
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#other-doc-media-talks">Other doc / media / talks</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#technicalities">Technicalities</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#navigating-the-code">Navigating the code</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#about-vexriscv-not-vexiiriscv">About VexRiscv (not VexiiRiscv)</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../Framework/index.html">Framework</a><ul>
@@ -286,7 +286,7 @@ <h1>Debug<a class="headerlink" href="#debug" title="Permalink to this heading">
     <!-- source/_templates/footer.html -->
 
     <div class="doc-footer-current-version"><p>
-    Version: master git~d07b8dd 2024-09-08
+    Version: master git~d7fa741 2024-09-10
     </p></div>
 
 

master/VexiiRiscv/Debug/jtag.html

@@ -78,8 +78,8 @@
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#other-doc-media-talks">Other doc / media / talks</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#technicalities">Technicalities</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#navigating-the-code">Navigating the code</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#about-vexriscv-not-vexiiriscv">About VexRiscv (not VexiiRiscv)</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../Framework/index.html">Framework</a><ul>
@@ -289,7 +289,7 @@ <h1>JTAG<a class="headerlink" href="#jtag" title="Permalink to this heading">
     <!-- source/_templates/footer.html -->
 
     <div class="doc-footer-current-version"><p>
-    Version: master git~d07b8dd 2024-09-08
+    Version: master git~d7fa741 2024-09-10
     </p></div>
 
 

master/VexiiRiscv/Decode/index.html

@@ -78,8 +78,8 @@
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#other-doc-media-talks">Other doc / media / talks</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#technicalities">Technicalities</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#navigating-the-code">Navigating the code</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#about-vexriscv-not-vexiiriscv">About VexRiscv (not VexiiRiscv)</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../Framework/index.html">Framework</a><ul>
@@ -340,7 +340,7 @@ <h2>DispatchPlugin<a class="headerlink" href="#dispatchplugin" title="Permalink
     <!-- source/_templates/footer.html -->
 
     <div class="doc-footer-current-version"><p>
-    Version: master git~d07b8dd 2024-09-08
+    Version: master git~d7fa741 2024-09-10
     </p></div>
 
 

master/VexiiRiscv/Execute/custom.html

@@ -78,8 +78,8 @@
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#other-doc-media-talks">Other doc / media / talks</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#technicalities">Technicalities</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#navigating-the-code">Navigating the code</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#about-vexriscv-not-vexiiriscv">About VexRiscv (not VexiiRiscv)</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../Framework/index.html">Framework</a><ul>
@@ -495,7 +495,7 @@ <h3>Conclusion<a class="headerlink" href="#conclusion" title="Permalink to this
     <!-- source/_templates/footer.html -->
 
     <div class="doc-footer-current-version"><p>
-    Version: master git~d07b8dd 2024-09-08
+    Version: master git~d7fa741 2024-09-10
     </p></div>
 
 

master/VexiiRiscv/Execute/fpu.html

@@ -78,8 +78,8 @@
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#other-doc-media-talks">Other doc / media / talks</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#technicalities">Technicalities</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#navigating-the-code">Navigating the code</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#about-vexriscv-not-vexiiriscv">About VexRiscv (not VexiiRiscv)</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../Framework/index.html">Framework</a><ul>
@@ -335,7 +335,7 @@ <h2>Optimized software<a class="headerlink" href="#optimized-software" title="Pe
     <!-- source/_templates/footer.html -->
 
     <div class="doc-footer-current-version"><p>
-    Version: master git~d07b8dd 2024-09-08
+    Version: master git~d7fa741 2024-09-10
     </p></div>
 
 

master/VexiiRiscv/Execute/index.html

@@ -78,8 +78,8 @@
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#other-doc-media-talks">Other doc / media / talks</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#technicalities">Technicalities</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#navigating-the-code">Navigating the code</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#about-vexriscv-not-vexiiriscv">About VexRiscv (not VexiiRiscv)</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../Framework/index.html">Framework</a><ul>
@@ -309,7 +309,7 @@ <h1>Execute<a class="headerlink" href="#execute" title="Permalink to this headin
     <!-- source/_templates/footer.html -->
 
     <div class="doc-footer-current-version"><p>
-    Version: master git~d07b8dd 2024-09-08
+    Version: master git~d7fa741 2024-09-10
     </p></div>
 
 

master/VexiiRiscv/Execute/introduction.html

@@ -78,8 +78,8 @@
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#other-doc-media-talks">Other doc / media / talks</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#technicalities">Technicalities</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#navigating-the-code">Navigating the code</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#about-vexriscv-not-vexiiriscv">About VexRiscv (not VexiiRiscv)</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../Framework/index.html">Framework</a><ul>
@@ -303,7 +303,7 @@ <h1>Introduction<a class="headerlink" href="#introduction" title="Permalink to t
     <!-- source/_templates/footer.html -->
 
     <div class="doc-footer-current-version"><p>
-    Version: master git~d07b8dd 2024-09-08
+    Version: master git~d7fa741 2024-09-10
     </p></div>
 
 

master/VexiiRiscv/Execute/lsu.html

@@ -78,8 +78,8 @@
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#other-doc-media-talks">Other doc / media / talks</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#technicalities">Technicalities</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#navigating-the-code">Navigating the code</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#about-vexriscv-not-vexiiriscv">About VexRiscv (not VexiiRiscv)</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../Framework/index.html">Framework</a><ul>
@@ -409,7 +409,7 @@ <h3>PrefetchRptPlugin<a class="headerlink" href="#prefetchrptplugin" title="Perm
     <!-- source/_templates/footer.html -->
 
     <div class="doc-footer-current-version"><p>
-    Version: master git~d07b8dd 2024-09-08
+    Version: master git~d7fa741 2024-09-10
     </p></div>
 
 

master/VexiiRiscv/Execute/plugins.html

@@ -78,8 +78,8 @@
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#other-doc-media-talks">Other doc / media / talks</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#technicalities">Technicalities</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#navigating-the-code">Navigating the code</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#about-vexriscv-not-vexiiriscv">About VexRiscv (not VexiiRiscv)</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../Framework/index.html">Framework</a><ul>
@@ -412,7 +412,7 @@ <h3>EnvPlugin<a class="headerlink" href="#envplugin" title="Permalink to this he
     <!-- source/_templates/footer.html -->
 
     <div class="doc-footer-current-version"><p>
-    Version: master git~d07b8dd 2024-09-08
+    Version: master git~d7fa741 2024-09-10
     </p></div>
 
 

master/VexiiRiscv/Fetch/index.html

@@ -78,8 +78,8 @@
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#other-doc-media-talks">Other doc / media / talks</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#technicalities">Technicalities</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#navigating-the-code">Navigating the code</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#about-vexriscv-not-vexiiriscv">About VexRiscv (not VexiiRiscv)</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../Introduction/index.html#check-list">Check list</a></li>
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="../Framework/index.html">Framework</a><ul>
@@ -250,6 +250,11 @@
 
   <section id="fetch">
 <h1>Fetch<a class="headerlink" href="#fetch" title="Permalink to this heading"></a></h1>
+<p>The goal of the fetch pipeline is to provide the CPU with a stream of words in which the instructions to execute are presents.
+So more precisely, the fetch pipeline doesn’t realy have the notion of instruction, but instead, just provide memory aligned chunks of memory block (ex 64 bits).
+Those chunks of memory (word) will later be handled by the “AlignerPlugin” to extract the instruction to be executed (and also handle the decompression in the case of RVC).</p>
+<p>Here is an example of fetch architecture with an instruction cache, branch predictor aswell as a prefetcher.</p>
+<img alt="../../_images/fetch_l1.png" src="../../_images/fetch_l1.png" />
 <p>A few plugins operate in the fetch stage :</p>
 <ul class="simple">
 <li><p>FetchPipelinePlugin</p></li>
@@ -283,6 +288,11 @@ <h2>FetchCachelessPlugin<a class="headerlink" href="#fetchcachelessplugin" title
 <li><p>Allow out of order memory bus responses (for maximal compatibility)</p></li>
 <li><p>Always generate aligned memory accesses</p></li>
 </ul>
+<p>Note that in order to get goo performance on FPGA, you may want to set it with the following config in order to relax timings :</p>
+<ul class="simple">
+<li><p>forkAt = 1</p></li>
+<li><p>joinAt = 2</p></li>
+</ul>
 </section>
 <section id="fetchl1plugin">
 <h2>FetchL1Plugin<a class="headerlink" href="#fetchl1plugin" title="Permalink to this heading"></a></h2>
@@ -310,7 +320,8 @@ <h2>PrefetcherNextLinePlugin<a class="headerlink" href="#prefetchernextlineplugi
 </section>
 <section id="btbplugin">
 <h2>BtbPlugin<a class="headerlink" href="#btbplugin" title="Permalink to this heading"></a></h2>
-<p>See more in the Branch prediction chapter</p>
+<p>This plugin implement most of the branch prediction logic.
+See more in the Branch prediction chapter</p>
 </section>
 <section id="gshareplugin">
 <h2>GSharePlugin<a class="headerlink" href="#gshareplugin" title="Permalink to this heading"></a></h2>
@@ -357,7 +368,7 @@ <h2>HistoryPlugin<a class="headerlink" href="#historyplugin" title="Permalink to
     <!-- source/_templates/footer.html -->
 
     <div class="doc-footer-current-version"><p>
-    Version: master git~d07b8dd 2024-09-08
+    Version: master git~d7fa741 2024-09-10
     </p></div>