web/docs/hazard3_8h_source.html

   1 <!-- HTML header for doxygen 1.8.20-->
   2 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
   3 <html xmlns="http://www.w3.org/1999/xhtml">
   4 <head>
   5         <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
   6         <meta http-equiv="X-UA-Compatible" content="IE=9"/>
   7         <meta name="generator" content="Doxygen 1.9.4"/>
   8         <meta name="viewport" content="width=device-width, initial-scale=1"/>
   9         <title>Raspberry Pi Pico SDK: include/hardware/hazard3.h Source File</title>
  10         <!-- <link href="tabs.css" rel="stylesheet" type="text/css"/> -->
  11         <script type="text/javascript" src="jquery.js"></script>
  12         <script type="text/javascript" src="dynsections.js"></script>
  13         <link href="navtree.css" rel="stylesheet" type="text/css"/>
  14 <script type="text/javascript" src="resize.js"></script>
  15 <script type="text/javascript" src="navtreedata.js"></script>
  16 <script type="text/javascript" src="navtree.js"></script>
  17         <link href="search/search.css" rel="stylesheet" type="text/css"/>
  18 <script type="text/javascript" src="search/searchdata.js"></script>
  19 <script type="text/javascript" src="search/search.js"></script>
  20     <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500&display=swap" rel="stylesheet">
  21         <link href="doxygen.css" rel="stylesheet" type="text/css" />
  22         <link href="normalise.css" rel="stylesheet" type="text/css"/>
  23 <link href="main.css" rel="stylesheet" type="text/css"/>
  24 <link href="styles.css" rel="stylesheet" type="text/css"/>
  25 </head>
  26 <body>
  27         <div class="navigation-mobile">
  28                 <div class="logo--mobile">
  29                         <a href="/"><img src="logo-mobile.svg" alt="Raspberry Pi"></a>
  30                 </div>
  31                 <div class="navigation-toggle">
  32                         <span class="line-1"></span>
  33                         <span class="line-2">
  34                                 <p>Menu Toggle</p>
  35                         </span>
  36                         <span class="line-3"></span>
  37                 </div>
  38         </div>
  39         <div id="top"><!-- do not remove this div, it is closed by doxygen! -->
  40                 <div class="logo">
  41                         <a href="index.html"> <img src="logo.svg" alt="Raspberry Pi"></a>
  42                         <span style="display: inline-block; margin-top: 10px;">
  43                                 v2.0.0
  44                         </span>
  45                 </div>
  46                 <div class="navigation-footer">
  47                         <img src="logo-mobile.svg" alt="Raspberry Pi">
  48                         <a href="https://www.raspberrypi.com/" target="_blank">By Raspberry Pi Ltd</a>
  49                 </div>
  50 <!--            <div class="search">
  51                         <form>
  52                                 <input type="search" name="search" id="search" placeholder="Search">
  53                                 <input type="submit" value="Search">
  54                         </form>
  55                 </div> -->
  56 <!-- Generated by Doxygen 1.9.4 -->
  57 <script type="text/javascript">
  58 /* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
  59 var searchBox = new SearchBox("searchBox", "search",'Search','.html');
  60 /* @license-end */
  61 </script>
  62 <script type="text/javascript" src="menudata.js"></script>
  63 <script type="text/javascript" src="menu.js"></script>
  64 <script type="text/javascript">
  65 /* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
  66 $(function() {
  67   initMenu('',true,false,'search.php','Search');
  68   $(document).ready(function() { init_search(); });
  69 });
  70 /* @license-end */
  71 </script>
  72 <div id="main-nav"></div>
  73 </div><!-- top -->
  74 <div id="side-nav" class="ui-resizable side-nav-resizable">
  75   <div id="nav-tree">
  76     <div id="nav-tree-contents">
  77       <div id="nav-sync" class="sync"></div>
  78     </div>
  79   </div>
  80   <div id="splitbar" style="-moz-user-select:none;"
  81        class="ui-resizable-handle">
  82   </div>
  83 </div>
  84 <script type="text/javascript">
  85 /* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
  86 $(document).ready(function(){initNavTree('hazard3_8h_source.html',''); initResizable(); });
  87 /* @license-end */
  88 </script>
  89 <div id="doc-content">
  90 <!-- window showing the filter options -->
  91 <div id="MSearchSelectWindow"
  92      onmouseover="return searchBox.OnSearchSelectShow()"
  93      onmouseout="return searchBox.OnSearchSelectHide()"
  94      onkeydown="return searchBox.OnSearchSelectKey(event)">
  95 </div>
  96
  97 <!-- iframe showing the search results (closed by default) -->
  98 <div id="MSearchResultsWindow">
  99 <iframe src="javascript:void(0)" frameborder="0"
 100         name="MSearchResults" id="MSearchResults">
 101 </iframe>
 102 </div>
 103
 104 <div class="header">
 105   <div class="headertitle"><div class="title">hazard3.h</div></div>
 106 </div><!--header-->
 107 <div class="contents">
 108 <a href="hazard3_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/*</span></div>
 109 <div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * Copyright (c) 2022 Raspberry Pi (Trading) Ltd.</span></div>
 110 <div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> *</span></div>
 111 <div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * SPDX-License-Identifier: BSD-3-Clause</span></div>
 112 <div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> */</span></div>
 113 <div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span> </div>
 114 <div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="preprocessor">#ifndef _HARDWARE_HAZARD3_</span></div>
 115 <div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="preprocessor">#define _HARDWARE_HAZARD3_</span></div>
 116 <div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span> </div>
 117 <div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="preprocessor">#include &quot;<a class="code" href="pico_8h.html">pico.h</a>&quot;</span></div>
 118 <div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="preprocessor">#include &quot;<a class="code" href="riscv_8h.html">hardware/riscv.h</a>&quot;</span></div>
 119 <div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="preprocessor">#include &quot;hardware/regs/rvcsr.h&quot;</span></div>
 120 <div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span> </div>
 121 <div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment">// Feature detection macros for Hazard3 custom extensions</span></div>
 122 <div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="preprocessor">#if PICO_RP2350</span></div>
 123 <div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="preprocessor">#define __hazard3_extension_xh3power</span></div>
 124 <div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="preprocessor">#define __hazard3_extension_xh3bextm</span></div>
 125 <div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="preprocessor">#define __hazard3_extension_xh3irq</span></div>
 126 <div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="preprocessor">#define __hazard3_extension_xh3pmpm</span></div>
 127 <div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="preprocessor">#endif</span></div>
 128 <div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span> </div>
 129 <div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="preprocessor">#ifdef __ASSEMBLER__</span></div>
 130 <div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span> </div>
 131 <div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment">// Assembly language instruction macros for Hazard3 custom instructions</span></div>
 132 <div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span> </div>
 133 <div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment">// h3.bextm: Extract up to 8 consecutive bits from register rs1, with the</span></div>
 134 <div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment">// first bit indexed by rs2, and bit count configured by an immediate value.</span></div>
 135 <div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="comment">// R-format instruction. Pseudocode:</span></div>
 136 <div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="comment">//</span></div>
 137 <div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="comment">//     rd = (rs1 &gt;&gt; rs2[4:0]) &amp; ~(-1 &lt;&lt; nbits)</span></div>
 138 <div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span> </div>
 139 <div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span>.macro h3.bextm rd rs1 rs2 nbits</div>
 140 <div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span>.if (\nbits &lt; 1) || (\nbits &gt; 8)</div>
 141 <div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span>.err</div>
 142 <div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span>.endif</div>
 143 <div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span>#ifdef __hazard3_extension_xh3bextm</div>
 144 <div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span>    .insn r 0x0b, 0x4, (((\nbits - 1) &amp; 0x7 ) &lt;&lt; 1), \rd, \rs1, \rs2</div>
 145 <div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span>#<span class="keywordflow">else</span></div>
 146 <div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span>    srl  \rd, \rs1, \rs2</div>
 147 <div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span>    andi \rd, \rd, ((1 &lt;&lt; \nbits) - 1)</div>
 148 <div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span>#endif</div>
 149 <div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span>.endm</div>
 150 <div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span> </div>
 151 <div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="comment">// h3.bextmi: Extract up to 8 consecutive bits from register rs1, with the</span></div>
 152 <div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="comment">// first bit index and the number of bits both configured by immediate</span></div>
 153 <div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="comment">// values. I-format instruction. Pseudocode:</span></div>
 154 <div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="comment">//</span></div>
 155 <div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="comment">//     rd = (rs1 &gt;&gt; shamt) &amp; ~(-1 &lt;&lt; nbits)</span></div>
 156 <div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span> </div>
 157 <div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span>.macro h3.bextmi rd rs1 shamt nbits</div>
 158 <div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>.if (\nbits &lt; 1) || (\nbits &gt; 8)</div>
 159 <div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>.err</div>
 160 <div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>.endif</div>
 161 <div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span>.<span class="keywordflow">if</span> (\shamt &lt; 0) || (\shamt &gt; 31)</div>
 162 <div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span>.err</div>
 163 <div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>.endif</div>
 164 <div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span>#ifdef __hazard3_extension_xh3bextm</div>
 165 <div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>    .insn i 0x0b, 0x4, \rd, \rs1, (\shamt &amp; 0x1f) | (((\nbits - 1) &amp; 0x7 ) &lt;&lt; 6)</div>
 166 <div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>#<span class="keywordflow">else</span></div>
 167 <div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span>    srli \rd, \rs1, \shamt</div>
 168 <div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span>    andi \rd, \rd, ((1 &lt;&lt; \nbits) - 1)</div>
 169 <div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span>#endif</div>
 170 <div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span>.endm</div>
 171 <div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span> </div>
 172 <div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="comment">// h3.block: enter an idle state until another processor in the same</span></div>
 173 <div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="comment">// multiprocessor complex executes an h3.unblock instruction, or the</span></div>
 174 <div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="comment">// processor is interrupted. Fall through immediately if an h3.unblock has</span></div>
 175 <div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="comment">// been received since the last execution of an h3.block on this processor.</span></div>
 176 <div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="comment">// On RP2350, processors also have their own h3.unblock signals reflected</span></div>
 177 <div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="comment">// back to them.</span></div>
 178 <div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span> </div>
 179 <div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>.macro h3.block</div>
 180 <div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>#ifdef __hazard3_extension_xh3power</div>
 181 <div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>    slt x0, x0, x0</div>
 182 <div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>#<span class="keywordflow">else</span></div>
 183 <div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span>    nop</div>
 184 <div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span>#endif</div>
 185 <div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>.endm</div>
 186 <div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span> </div>
 187 <div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span><span class="comment">// h3.unblock: signal other processors in the same multiprocessor complex to</span></div>
 188 <div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="comment">// exit the idle state entered by an h3.block instruction. On RP2350, this</span></div>
 189 <div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span><span class="comment">// signal is also reflected back to the processor that executed the</span></div>
 190 <div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="comment">// h3.unblock, which will cause that processor&#39;s next h3.block to fall</span></div>
 191 <div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="comment">// through immediately.</span></div>
 192 <div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span> </div>
 193 <div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>.macro h3.unblock</div>
 194 <div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>#ifdef __hazard3_extension_xh3power</div>
 195 <div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>    slt x0, x0, x1</div>
 196 <div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>#<span class="keywordflow">else</span></div>
 197 <div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>    nop</div>
 198 <div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span>#endif</div>
 199 <div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span>.endm</div>
 200 <div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span> </div>
 201 <div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>#<span class="keywordflow">else</span> <span class="comment">// !__ASSEMBLER__</span></div>
 202 <div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span> </div>
 203 <div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>#ifdef __cplusplus</div>
 204 <div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span><span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {</div>
 205 <div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>#endif</div>
 206 <div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span> </div>
 207 <div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>#ifdef __hazard3_extension_xh3irq</div>
 208 <div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span>#define hazard3_irqarray_read(csr, index) (riscv_read_set_csr(csr, (index)) &gt;&gt; 16)</div>
 209 <div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>#<span class="keywordflow">else</span></div>
 210 <div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>#define hazard3_irqarray_read(csr, index) <span class="keyword">static_assert</span>(<span class="keyword">false</span>, <span class="stringliteral">&quot;Not supported: Xh3irq extension&quot;</span>)</div>
 211 <div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span>#endif</div>
 212 <div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span> </div>
 213 <div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>#ifdef __hazard3_extension_xh3irq</div>
 214 <div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span>#define hazard3_irqarray_write(csr, index, data) (riscv_write_csr(csr, (index) | ((uint32_t)(data) &lt;&lt; 16)))</div>
 215 <div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span>#<span class="keywordflow">else</span></div>
 216 <div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>#define hazard3_irqarray_write(csr, index, data) <span class="keyword">static_assert</span>(<span class="keyword">false</span>, <span class="stringliteral">&quot;Not supported: Xh3irq extension&quot;</span>)</div>
 217 <div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>#endif</div>
 218 <div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span> </div>
 219 <div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>#ifdef __hazard3_extension_xh3irq</div>
 220 <div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>#define hazard3_irqarray_set(csr, index, data) (riscv_set_csr(csr, (index) | ((uint32_t)(data) &lt;&lt; 16)))</div>
 221 <div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>#<span class="keywordflow">else</span></div>
 222 <div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>#define hazard3_irqarray_set(csr, index, data) <span class="keyword">static_assert</span>(<span class="keyword">false</span>, <span class="stringliteral">&quot;Not supported: Xh3irq extension&quot;</span>)</div>
 223 <div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>#endif</div>
 224 <div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span> </div>
 225 <div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>#ifdef __hazard3_extension_xh3irq</div>
 226 <div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>#define hazard3_irqarray_clear(csr, index, data) (riscv_clear_csr(csr, (index) | ((uint32_t)(data) &lt;&lt; 16)))</div>
 227 <div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>#<span class="keywordflow">else</span></div>
 228 <div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span>#define hazard3_irqarray_clear(csr, index, data) <span class="keyword">static_assert</span>(<span class="keyword">false</span>, <span class="stringliteral">&quot;Not supported: Xh3irq extension&quot;</span>)</div>
 229 <div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>#endif</div>
 230 <div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span> </div>
 231 <div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span> </div>
 232 <div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="comment">// nbits must be a constant expression</span></div>
 233 <div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span>#ifdef __hazard3_extension_xh3bextm</div>
 234 <div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span>#define __hazard3_bextm(nbits, rs1, rs2) ({\</div>
 235 <div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>    uint32_t __h3_bextm_rd; \</div>
 236 <div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>    asm (<span class="stringliteral">&quot;.insn r 0x0b, 0, %3, %0, %1, %2&quot;</span>\</div>
 237 <div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>        : <span class="stringliteral">&quot;=r&quot;</span> (__h3_bextm_rd) \</div>
 238 <div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span>        : <span class="stringliteral">&quot;r&quot;</span> (rs1), <span class="stringliteral">&quot;r&quot;</span> (rs2), <span class="stringliteral">&quot;i&quot;</span> ((((nbits) - 1) &amp; 0x7) &lt;&lt; 1)\</div>
 239 <div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span>    ); \</div>
 240 <div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>    __h3_bextm_rd; \</div>
 241 <div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span>})</div>
 242 <div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span>#<span class="keywordflow">else</span></div>
 243 <div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span>#define __hazard3_bextm(nbits, rs1, rs2) (((rs1) &gt;&gt; ((rs2) &amp; 0x1f)) &amp; (0xffu &gt;&gt; (7 - (((nbits) - 1) &amp; 0x7))))</div>
 244 <div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span><span class="preprocessor">#endif</span></div>
 245 <div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span> </div>
 246 <div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span><span class="comment">// nbits and shamt must be constant expressions</span></div>
 247 <div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span><span class="preprocessor">#ifdef __hazard3_extension_xh3bextm</span></div>
 248 <div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span><span class="preprocessor">#define __hazard3_bextmi(nbits, rs1, shamt) ({\</span></div>
 249 <div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span><span class="preprocessor">    uint32_t __h3_bextmi_rd; \</span></div>
 250 <div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span><span class="preprocessor">    asm (&quot;.insn i 0x0b, 0x4, %0, %1, %2&quot;</span>\</div>
 251 <div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span>        : &quot;=r&quot; (__h3_bextmi_rd) \</div>
 252 <div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>        : &quot;r&quot; (rs1), &quot;i&quot; ((((nbits) - 1) &amp; 0x7) &lt;&lt; 6 | ((shamt) &amp; 0x1f)) \</div>
 253 <div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>    ); \</div>
 254 <div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>    __h3_bextmi_rd; \</div>
 255 <div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>})</div>
 256 <div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span><span class="preprocessor">#else</span></div>
 257 <div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span><span class="preprocessor">#define __hazard3_bextm(nbits, rs1, rs2) (((rs1) &gt;&gt; ((shamt) &amp; 0x1f)) &amp; (0xffu &gt;&gt; (7 - (((nbits) - 1) &amp; 0x7))))</span></div>
 258 <div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span><span class="preprocessor">#endif</span></div>
 259 <div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span> </div>
 260 <div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span><span class="preprocessor">#ifdef __hazard3_extension_xh3power</span></div>
 261 <div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span><span class="preprocessor">#define __hazard3_block() asm volatile (&quot;slt x0, x0, x0&quot;</span> : : : &quot;memory&quot;)</div>
 262 <div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span><span class="preprocessor">#else</span></div>
 263 <div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span><span class="preprocessor">#define __hazard3_block() do {} while (0)</span></div>
 264 <div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span><span class="preprocessor">#endif</span></div>
 265 <div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span> </div>
 266 <div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span><span class="preprocessor">#ifdef __hazard3_extension_xh3power</span></div>
 267 <div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span><span class="preprocessor">#define __hazard3_unblock() asm volatile (&quot;slt x0, x0, x1&quot;</span> : : : &quot;memory&quot;)</div>
 268 <div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span><span class="preprocessor">#else</span></div>
 269 <div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span><span class="preprocessor">#define __hazard3_unblock() do {} while (0)</span></div>
 270 <div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span><span class="preprocessor">#endif</span></div>
 271 <div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span> </div>
 272 <div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span><span class="preprocessor">#ifdef __cplusplus</span></div>
 273 <div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>}</div>
 274 <div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span><span class="preprocessor">#endif</span></div>
 275 <div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span> </div>
 276 <div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span><span class="preprocessor">#endif </span><span class="comment">// !__ASSEMBLER__</span></div>
 277 <div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span> </div>
 278 <div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span><span class="preprocessor">#endif</span></div>
 279 <div class="ttc" id="apico_8h_html"><div class="ttname"><a href="pico_8h.html">pico.h</a></div></div>
 280 <div class="ttc" id="ariscv_8h_html"><div class="ttname"><a href="riscv_8h.html">riscv.h</a></div></div>
 281 </div><!-- fragment --></div><!-- contents -->
 282 </div><!-- doc-content -->
 283
 284         <script src="main.js"></script>
 285 </body>
 286 </html>