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 104 <div class="header">
 105   <div class="summary">
 106 <a href="#define-members">Macros</a> &#124;
 107 <a href="#func-members">Functions</a>  </div>
 108   <div class="headertitle"><div class="title">riscv.h File Reference</div></div>
 109 </div><!--header-->
 110 <div class="contents">
 111 <div class="textblock"><code>#include &quot;<a class="el" href="pico_8h_source.html">pico.h</a>&quot;</code><br />
 112 <code>#include &quot;hardware/regs/rvcsr.h&quot;</code><br />
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 114 Include dependency graph for riscv.h:</div>
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 149 <p><a href="riscv_8h_source.html">Go to the source code of this file.</a></p>
 150 <table class="memberdecls">
 151 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="define-members" name="define-members"></a>
 152 Macros</h2></td></tr>
 153 <tr class="memitem:a51acbcbe0db34c805da8b1c1d214bdf3"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="riscv_8h.html#a51acbcbe0db34c805da8b1c1d214bdf3">_riscv_read_csr</a>(csrname)</td></tr>
 154 <tr class="separator:a51acbcbe0db34c805da8b1c1d214bdf3"><td class="memSeparator" colspan="2">&#160;</td></tr>
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 156 <tr class="separator:a0f03bee789588e757c1ae061f7641350"><td class="memSeparator" colspan="2">&#160;</td></tr>
 157 <tr class="memitem:afd8797e274ffb62fbedd967aa2ade9c2"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="riscv_8h.html#afd8797e274ffb62fbedd967aa2ade9c2">_riscv_set_csr</a>(csrname,  data)</td></tr>
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 160 <tr class="separator:a32520a8d9472e5ba3c10ca2a4520600b"><td class="memSeparator" colspan="2">&#160;</td></tr>
 161 <tr class="memitem:a384ec39c17d53d2d6fab24c4d6c82423"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="riscv_8h.html#a384ec39c17d53d2d6fab24c4d6c82423">_riscv_read_write_csr</a>(csrname,  data)</td></tr>
 162 <tr class="separator:a384ec39c17d53d2d6fab24c4d6c82423"><td class="memSeparator" colspan="2">&#160;</td></tr>
 163 <tr class="memitem:a6acb08c9d4382cf54439d627a5a5feab"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="riscv_8h.html#a6acb08c9d4382cf54439d627a5a5feab">_riscv_read_set_csr</a>(csrname,  data)</td></tr>
 164 <tr class="separator:a6acb08c9d4382cf54439d627a5a5feab"><td class="memSeparator" colspan="2">&#160;</td></tr>
 165 <tr class="memitem:aa83f5980e9b9c3c709b8f488e6589ce0"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="riscv_8h.html#aa83f5980e9b9c3c709b8f488e6589ce0">_riscv_read_clear_csr</a>(csrname,  data)</td></tr>
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 168 #define&#160;</td><td class="memItemRight" valign="bottom"><b>riscv_read_csr</b>(csrname)&#160;&#160;&#160;_riscv_read_csr(csrname)</td></tr>
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 171 #define&#160;</td><td class="memItemRight" valign="bottom"><b>riscv_write_csr</b>(csrname,  data)&#160;&#160;&#160;_riscv_write_csr(csrname, data)</td></tr>
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 174 #define&#160;</td><td class="memItemRight" valign="bottom"><b>riscv_set_csr</b>(csrname,  data)&#160;&#160;&#160;_riscv_set_csr(csrname, data)</td></tr>
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 177 #define&#160;</td><td class="memItemRight" valign="bottom"><b>riscv_clear_csr</b>(csrname,  data)&#160;&#160;&#160;_riscv_clear_csr(csrname, data)</td></tr>
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 180 #define&#160;</td><td class="memItemRight" valign="bottom"><b>riscv_read_write_csr</b>(csrname,  data)&#160;&#160;&#160;_riscv_read_write_csr(csrname, data)</td></tr>
 181 <tr class="separator:a96bf97bea44cd4d2c8cf37ffd1119ca1"><td class="memSeparator" colspan="2">&#160;</td></tr>
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 183 #define&#160;</td><td class="memItemRight" valign="bottom"><b>riscv_read_set_csr</b>(csrname,  data)&#160;&#160;&#160;_riscv_read_set_csr(csrname, data)</td></tr>
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 185 <tr class="memitem:a89dfdbfc34df3e02e5d2db6fbf9d395f"><td class="memItemLeft" align="right" valign="top"><a id="a89dfdbfc34df3e02e5d2db6fbf9d395f" name="a89dfdbfc34df3e02e5d2db6fbf9d395f"></a>
 186 #define&#160;</td><td class="memItemRight" valign="bottom"><b>riscv_read_clear_csr</b>(csrname,  data)&#160;&#160;&#160;_riscv_read_clear_csr(csrname, data)</td></tr>
 187 <tr class="separator:a89dfdbfc34df3e02e5d2db6fbf9d395f"><td class="memSeparator" colspan="2">&#160;</td></tr>
 188 </table><table class="memberdecls">
 189 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
 190 Functions</h2></td></tr>
 191 <tr class="memitem:a06efa338a556b959322ca608e7a486ab"><td class="memItemLeft" align="right" valign="top"><a id="a06efa338a556b959322ca608e7a486ab" name="a06efa338a556b959322ca608e7a486ab"></a>
 192 static uint32_t&#160;</td><td class="memItemRight" valign="bottom"><b>riscv_encode_imm_u</b> (uint32_t x)</td></tr>
 193 <tr class="separator:a06efa338a556b959322ca608e7a486ab"><td class="memSeparator" colspan="2">&#160;</td></tr>
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 195 static uint32_t&#160;</td><td class="memItemRight" valign="bottom"><b>riscv_encode_imm_i</b> (uint32_t x)</td></tr>
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 198 static uint32_t&#160;</td><td class="memItemRight" valign="bottom"><b>riscv_encode_imm_u_hi</b> (uint32_t x)</td></tr>
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 201 static uint32_t&#160;</td><td class="memItemRight" valign="bottom"><b>riscv_encode_imm_b</b> (uint32_t x)</td></tr>
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 204 static uint32_t&#160;</td><td class="memItemRight" valign="bottom"><b>riscv_encode_imm_s</b> (uint32_t x)</td></tr>
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 207 static uint32_t&#160;</td><td class="memItemRight" valign="bottom"><b>riscv_encode_imm_j</b> (uint32_t x)</td></tr>
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 210 static uint16_t&#160;</td><td class="memItemRight" valign="bottom"><b>riscv_encode_imm_cj</b> (uint32_t x)</td></tr>
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 212 <tr class="memitem:a065d26607ce38eb22d145b05a9ac3dd0"><td class="memItemLeft" align="right" valign="top"><a id="a065d26607ce38eb22d145b05a9ac3dd0" name="a065d26607ce38eb22d145b05a9ac3dd0"></a>
 213 static uint16_t&#160;</td><td class="memItemRight" valign="bottom"><b>riscv_encode_imm_cb</b> (uint32_t x)</td></tr>
 214 <tr class="separator:a065d26607ce38eb22d145b05a9ac3dd0"><td class="memSeparator" colspan="2">&#160;</td></tr>
 215 <tr class="memitem:aae0eead09e287101d9d1a85aca370489"><td class="memItemLeft" align="right" valign="top"><a id="aae0eead09e287101d9d1a85aca370489" name="aae0eead09e287101d9d1a85aca370489"></a>
 216 static uint16_t&#160;</td><td class="memItemRight" valign="bottom"><b>riscv_encode_imm_ci</b> (uint32_t x)</td></tr>
 217 <tr class="separator:aae0eead09e287101d9d1a85aca370489"><td class="memSeparator" colspan="2">&#160;</td></tr>
 218 </table>
 219 <h2 class="groupheader">Macro Definition Documentation</h2>
 220 <a id="a32520a8d9472e5ba3c10ca2a4520600b" name="a32520a8d9472e5ba3c10ca2a4520600b"></a>
 221 <h2 class="memtitle"><span class="permalink"><a href="#a32520a8d9472e5ba3c10ca2a4520600b">&#9670;&nbsp;</a></span>_riscv_clear_csr</h2>
 222
 223 <div class="memitem">
 224 <div class="memproto">
 225       <table class="memname">
 226         <tr>
 227           <td class="memname">#define _riscv_clear_csr</td>
 228           <td>(</td>
 229           <td class="paramtype">&#160;</td>
 230           <td class="paramname">csrname, </td>
 231         </tr>
 232         <tr>
 233           <td class="paramkey"></td>
 234           <td></td>
 235           <td class="paramtype">&#160;</td>
 236           <td class="paramname">data&#160;</td>
 237         </tr>
 238         <tr>
 239           <td></td>
 240           <td>)</td>
 241           <td></td><td></td>
 242         </tr>
 243       </table>
 244 </div><div class="memdoc">
 245 <b>Value:</b><div class="fragment"><div class="line">    ({ \</div>
 246 <div class="line">    if (__builtin_constant_p(data) &amp;&amp; !((data) &amp; -32u)) { \</div>
 247 <div class="line">        asm <span class="keyword">volatile</span> (<span class="stringliteral">&quot;csrci &quot;</span> #csrname <span class="stringliteral">&quot;, %0&quot;</span> : : <span class="stringliteral">&quot;i&quot;</span> (data)); \</div>
 248 <div class="line">    } <span class="keywordflow">else</span> { \</div>
 249 <div class="line">        asm <span class="keyword">volatile</span> (<span class="stringliteral">&quot;csrc &quot;</span> #csrname <span class="stringliteral">&quot;, %0&quot;</span> : : <span class="stringliteral">&quot;r&quot;</span> (data)); \</div>
 250 <div class="line">    } \</div>
 251 <div class="line">})</div>
 252 </div><!-- fragment -->
 253 </div>
 254 </div>
 255 <a id="aa83f5980e9b9c3c709b8f488e6589ce0" name="aa83f5980e9b9c3c709b8f488e6589ce0"></a>
 256 <h2 class="memtitle"><span class="permalink"><a href="#aa83f5980e9b9c3c709b8f488e6589ce0">&#9670;&nbsp;</a></span>_riscv_read_clear_csr</h2>
 257
 258 <div class="memitem">
 259 <div class="memproto">
 260       <table class="memname">
 261         <tr>
 262           <td class="memname">#define _riscv_read_clear_csr</td>
 263           <td>(</td>
 264           <td class="paramtype">&#160;</td>
 265           <td class="paramname">csrname, </td>
 266         </tr>
 267         <tr>
 268           <td class="paramkey"></td>
 269           <td></td>
 270           <td class="paramtype">&#160;</td>
 271           <td class="paramname">data&#160;</td>
 272         </tr>
 273         <tr>
 274           <td></td>
 275           <td>)</td>
 276           <td></td><td></td>
 277         </tr>
 278       </table>
 279 </div><div class="memdoc">
 280 <b>Value:</b><div class="fragment"><div class="line">    ({ \</div>
 281 <div class="line">    uint32_t __csr_tmp_u32; \</div>
 282 <div class="line">    if (__builtin_constant_p(data) &amp;&amp; !((data) &amp; -32u)) { \</div>
 283 <div class="line">        asm <span class="keyword">volatile</span> (<span class="stringliteral">&quot;csrrci %0, &quot;</span> #csrname <span class="stringliteral">&quot;, %1&quot;</span>: <span class="stringliteral">&quot;=r&quot;</span> (__csr_tmp_u32) : <span class="stringliteral">&quot;i&quot;</span> (data)); \</div>
 284 <div class="line">    } <span class="keywordflow">else</span> { \</div>
 285 <div class="line">        asm <span class="keyword">volatile</span> (<span class="stringliteral">&quot;csrrc %0, &quot;</span> #csrname <span class="stringliteral">&quot;, %1&quot;</span>: <span class="stringliteral">&quot;=r&quot;</span> (__csr_tmp_u32) : <span class="stringliteral">&quot;r&quot;</span> (data)); \</div>
 286 <div class="line">    } \</div>
 287 <div class="line">    __csr_tmp_u32; \</div>
 288 <div class="line">})</div>
 289 </div><!-- fragment -->
 290 </div>
 291 </div>
 292 <a id="a51acbcbe0db34c805da8b1c1d214bdf3" name="a51acbcbe0db34c805da8b1c1d214bdf3"></a>
 293 <h2 class="memtitle"><span class="permalink"><a href="#a51acbcbe0db34c805da8b1c1d214bdf3">&#9670;&nbsp;</a></span>_riscv_read_csr</h2>
 294
 295 <div class="memitem">
 296 <div class="memproto">
 297       <table class="memname">
 298         <tr>
 299           <td class="memname">#define _riscv_read_csr</td>
 300           <td>(</td>
 301           <td class="paramtype">&#160;</td>
 302           <td class="paramname">csrname</td><td>)</td>
 303           <td></td>
 304         </tr>
 305       </table>
 306 </div><div class="memdoc">
 307 <b>Value:</b><div class="fragment"><div class="line">    ({ \</div>
 308 <div class="line">    uint32_t __csr_tmp_u32; \</div>
 309 <div class="line">    asm <span class="keyword">volatile</span> (<span class="stringliteral">&quot;csrr %0, &quot;</span> #csrname : <span class="stringliteral">&quot;=r&quot;</span> (__csr_tmp_u32)); \</div>
 310 <div class="line">    __csr_tmp_u32; \</div>
 311 <div class="line">})</div>
 312 </div><!-- fragment -->
 313 </div>
 314 </div>
 315 <a id="a6acb08c9d4382cf54439d627a5a5feab" name="a6acb08c9d4382cf54439d627a5a5feab"></a>
 316 <h2 class="memtitle"><span class="permalink"><a href="#a6acb08c9d4382cf54439d627a5a5feab">&#9670;&nbsp;</a></span>_riscv_read_set_csr</h2>
 317
 318 <div class="memitem">
 319 <div class="memproto">
 320       <table class="memname">
 321         <tr>
 322           <td class="memname">#define _riscv_read_set_csr</td>
 323           <td>(</td>
 324           <td class="paramtype">&#160;</td>
 325           <td class="paramname">csrname, </td>
 326         </tr>
 327         <tr>
 328           <td class="paramkey"></td>
 329           <td></td>
 330           <td class="paramtype">&#160;</td>
 331           <td class="paramname">data&#160;</td>
 332         </tr>
 333         <tr>
 334           <td></td>
 335           <td>)</td>
 336           <td></td><td></td>
 337         </tr>
 338       </table>
 339 </div><div class="memdoc">
 340 <b>Value:</b><div class="fragment"><div class="line">    ({ \</div>
 341 <div class="line">    uint32_t __csr_tmp_u32; \</div>
 342 <div class="line">    if (__builtin_constant_p(data) &amp;&amp; !((data) &amp; -32u)) { \</div>
 343 <div class="line">        asm <span class="keyword">volatile</span> (<span class="stringliteral">&quot;csrrsi %0, &quot;</span> #csrname <span class="stringliteral">&quot;, %1&quot;</span>: <span class="stringliteral">&quot;=r&quot;</span> (__csr_tmp_u32) : <span class="stringliteral">&quot;i&quot;</span> (data)); \</div>
 344 <div class="line">    } <span class="keywordflow">else</span> { \</div>
 345 <div class="line">        asm <span class="keyword">volatile</span> (<span class="stringliteral">&quot;csrrs %0, &quot;</span> #csrname <span class="stringliteral">&quot;, %1&quot;</span>: <span class="stringliteral">&quot;=r&quot;</span> (__csr_tmp_u32) : <span class="stringliteral">&quot;r&quot;</span> (data)); \</div>
 346 <div class="line">    } \</div>
 347 <div class="line">    __csr_tmp_u32; \</div>
 348 <div class="line">})</div>
 349 </div><!-- fragment -->
 350 </div>
 351 </div>
 352 <a id="a384ec39c17d53d2d6fab24c4d6c82423" name="a384ec39c17d53d2d6fab24c4d6c82423"></a>
 353 <h2 class="memtitle"><span class="permalink"><a href="#a384ec39c17d53d2d6fab24c4d6c82423">&#9670;&nbsp;</a></span>_riscv_read_write_csr</h2>
 354
 355 <div class="memitem">
 356 <div class="memproto">
 357       <table class="memname">
 358         <tr>
 359           <td class="memname">#define _riscv_read_write_csr</td>
 360           <td>(</td>
 361           <td class="paramtype">&#160;</td>
 362           <td class="paramname">csrname, </td>
 363         </tr>
 364         <tr>
 365           <td class="paramkey"></td>
 366           <td></td>
 367           <td class="paramtype">&#160;</td>
 368           <td class="paramname">data&#160;</td>
 369         </tr>
 370         <tr>
 371           <td></td>
 372           <td>)</td>
 373           <td></td><td></td>
 374         </tr>
 375       </table>
 376 </div><div class="memdoc">
 377 <b>Value:</b><div class="fragment"><div class="line">    ({ \</div>
 378 <div class="line">    uint32_t __csr_tmp_u32; \</div>
 379 <div class="line">    if (__builtin_constant_p(data) &amp;&amp; !((data) &amp; -32u)) { \</div>
 380 <div class="line">        asm <span class="keyword">volatile</span> (<span class="stringliteral">&quot;csrrwi %0, &quot;</span> #csrname <span class="stringliteral">&quot;, %1&quot;</span>: <span class="stringliteral">&quot;=r&quot;</span> (__csr_tmp_u32) : <span class="stringliteral">&quot;i&quot;</span> (data)); \</div>
 381 <div class="line">    } <span class="keywordflow">else</span> { \</div>
 382 <div class="line">        asm <span class="keyword">volatile</span> (<span class="stringliteral">&quot;csrrw %0, &quot;</span> #csrname <span class="stringliteral">&quot;, %1&quot;</span>: <span class="stringliteral">&quot;=r&quot;</span> (__csr_tmp_u32) : <span class="stringliteral">&quot;r&quot;</span> (data)); \</div>
 383 <div class="line">    } \</div>
 384 <div class="line">    __csr_tmp_u32; \</div>
 385 <div class="line">})</div>
 386 </div><!-- fragment -->
 387 </div>
 388 </div>
 389 <a id="afd8797e274ffb62fbedd967aa2ade9c2" name="afd8797e274ffb62fbedd967aa2ade9c2"></a>
 390 <h2 class="memtitle"><span class="permalink"><a href="#afd8797e274ffb62fbedd967aa2ade9c2">&#9670;&nbsp;</a></span>_riscv_set_csr</h2>
 391
 392 <div class="memitem">
 393 <div class="memproto">
 394       <table class="memname">
 395         <tr>
 396           <td class="memname">#define _riscv_set_csr</td>
 397           <td>(</td>
 398           <td class="paramtype">&#160;</td>
 399           <td class="paramname">csrname, </td>
 400         </tr>
 401         <tr>
 402           <td class="paramkey"></td>
 403           <td></td>
 404           <td class="paramtype">&#160;</td>
 405           <td class="paramname">data&#160;</td>
 406         </tr>
 407         <tr>
 408           <td></td>
 409           <td>)</td>
 410           <td></td><td></td>
 411         </tr>
 412       </table>
 413 </div><div class="memdoc">
 414 <b>Value:</b><div class="fragment"><div class="line">    ({ \</div>
 415 <div class="line">    if (__builtin_constant_p(data) &amp;&amp; !((data) &amp; -32u)) { \</div>
 416 <div class="line">        asm <span class="keyword">volatile</span> (<span class="stringliteral">&quot;csrsi &quot;</span> #csrname <span class="stringliteral">&quot;, %0&quot;</span> : : <span class="stringliteral">&quot;i&quot;</span> (data)); \</div>
 417 <div class="line">    } <span class="keywordflow">else</span> { \</div>
 418 <div class="line">        asm <span class="keyword">volatile</span> (<span class="stringliteral">&quot;csrs &quot;</span> #csrname <span class="stringliteral">&quot;, %0&quot;</span> : : <span class="stringliteral">&quot;r&quot;</span> (data)); \</div>
 419 <div class="line">    } \</div>
 420 <div class="line">})</div>
 421 </div><!-- fragment -->
 422 </div>
 423 </div>
 424 <a id="a0f03bee789588e757c1ae061f7641350" name="a0f03bee789588e757c1ae061f7641350"></a>
 425 <h2 class="memtitle"><span class="permalink"><a href="#a0f03bee789588e757c1ae061f7641350">&#9670;&nbsp;</a></span>_riscv_write_csr</h2>
 426
 427 <div class="memitem">
 428 <div class="memproto">
 429       <table class="memname">
 430         <tr>
 431           <td class="memname">#define _riscv_write_csr</td>
 432           <td>(</td>
 433           <td class="paramtype">&#160;</td>
 434           <td class="paramname">csrname, </td>
 435         </tr>
 436         <tr>
 437           <td class="paramkey"></td>
 438           <td></td>
 439           <td class="paramtype">&#160;</td>
 440           <td class="paramname">data&#160;</td>
 441         </tr>
 442         <tr>
 443           <td></td>
 444           <td>)</td>
 445           <td></td><td></td>
 446         </tr>
 447       </table>
 448 </div><div class="memdoc">
 449 <b>Value:</b><div class="fragment"><div class="line">    ({ \</div>
 450 <div class="line">    if (__builtin_constant_p(data) &amp;&amp; !((data) &amp; -32u)) { \</div>
 451 <div class="line">        asm <span class="keyword">volatile</span> (<span class="stringliteral">&quot;csrwi &quot;</span> #csrname <span class="stringliteral">&quot;, %0&quot;</span> : : <span class="stringliteral">&quot;i&quot;</span> (data)); \</div>
 452 <div class="line">    } <span class="keywordflow">else</span> { \</div>
 453 <div class="line">        asm <span class="keyword">volatile</span> (<span class="stringliteral">&quot;csrw &quot;</span> #csrname <span class="stringliteral">&quot;, %0&quot;</span> : : <span class="stringliteral">&quot;r&quot;</span> (data)); \</div>
 454 <div class="line">    } \</div>
 455 <div class="line">})</div>
 456 </div><!-- fragment -->
 457 </div>
 458 </div>
 459 </div><!-- contents -->
 460 </div><!-- doc-content -->
 461
 462         <script src="main.js"></script>
 463 </body>
 464 </html>