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| <h4 class="subsection">6.57.19 NDS32 Built-in Functions</h4> |
| |
| <p>These built-in functions are available for the NDS32 target: |
| </p> |
| <dl> |
| <dt><a name="index-_005f_005fbuiltin_005fnds32_005fisync"></a>Built-in Function: <em>void</em> <strong>__builtin_nds32_isync</strong> <em>(int *<var>addr</var>)</em></dt> |
| <dd><p>Insert an ISYNC instruction into the instruction stream where |
| <var>addr</var> is an instruction address for serialization. |
| </p></dd></dl> |
| |
| <dl> |
| <dt><a name="index-_005f_005fbuiltin_005fnds32_005fisb"></a>Built-in Function: <em>void</em> <strong>__builtin_nds32_isb</strong> <em>(void)</em></dt> |
| <dd><p>Insert an ISB instruction into the instruction stream. |
| </p></dd></dl> |
| |
| <dl> |
| <dt><a name="index-_005f_005fbuiltin_005fnds32_005fmfsr"></a>Built-in Function: <em>int</em> <strong>__builtin_nds32_mfsr</strong> <em>(int <var>sr</var>)</em></dt> |
| <dd><p>Return the content of a system register which is mapped by <var>sr</var>. |
| </p></dd></dl> |
| |
| <dl> |
| <dt><a name="index-_005f_005fbuiltin_005fnds32_005fmfusr"></a>Built-in Function: <em>int</em> <strong>__builtin_nds32_mfusr</strong> <em>(int <var>usr</var>)</em></dt> |
| <dd><p>Return the content of a user space register which is mapped by <var>usr</var>. |
| </p></dd></dl> |
| |
| <dl> |
| <dt><a name="index-_005f_005fbuiltin_005fnds32_005fmtsr"></a>Built-in Function: <em>void</em> <strong>__builtin_nds32_mtsr</strong> <em>(int <var>value</var>, int <var>sr</var>)</em></dt> |
| <dd><p>Move the <var>value</var> to a system register which is mapped by <var>sr</var>. |
| </p></dd></dl> |
| |
| <dl> |
| <dt><a name="index-_005f_005fbuiltin_005fnds32_005fmtusr"></a>Built-in Function: <em>void</em> <strong>__builtin_nds32_mtusr</strong> <em>(int <var>value</var>, int <var>usr</var>)</em></dt> |
| <dd><p>Move the <var>value</var> to a user space register which is mapped by <var>usr</var>. |
| </p></dd></dl> |
| |
| <dl> |
| <dt><a name="index-_005f_005fbuiltin_005fnds32_005fsetgie_005fen"></a>Built-in Function: <em>void</em> <strong>__builtin_nds32_setgie_en</strong> <em>(void)</em></dt> |
| <dd><p>Enable global interrupt. |
| </p></dd></dl> |
| |
| <dl> |
| <dt><a name="index-_005f_005fbuiltin_005fnds32_005fsetgie_005fdis"></a>Built-in Function: <em>void</em> <strong>__builtin_nds32_setgie_dis</strong> <em>(void)</em></dt> |
| <dd><p>Disable global interrupt. |
| </p></dd></dl> |
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