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127 lines
5.9 KiB
HTML
127 lines
5.9 KiB
HTML
4 years ago
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with the
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Invariant Sections being "Funding Free Software", the Front-Cover
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(see below). A copy of the license is included in the section entitled
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"GNU Free Documentation License".
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(a) The FSF's Front-Cover Text is:
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A GNU Manual
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(b) The FSF's Back-Cover Text is:
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>NDS32 Built-in Functions (Using the GNU Compiler Collection (GCC))</title>
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<meta name="description" content="NDS32 Built-in Functions (Using the GNU Compiler Collection (GCC))">
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<meta name="keywords" content="NDS32 Built-in Functions (Using the GNU Compiler Collection (GCC))">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Option-Index.html#Option-Index" rel="index" title="Option Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Target-Builtins.html#Target-Builtins" rel="up" title="Target Builtins">
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<link href="picoChip-Built_002din-Functions.html#picoChip-Built_002din-Functions" rel="next" title="picoChip Built-in Functions">
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<link href="MSP430-Built_002din-Functions.html#MSP430-Built_002din-Functions" rel="prev" title="MSP430 Built-in Functions">
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</head>
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<body lang="en">
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<a name="NDS32-Built_002din-Functions"></a>
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<div class="header">
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<p>
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Next: <a href="picoChip-Built_002din-Functions.html#picoChip-Built_002din-Functions" accesskey="n" rel="next">picoChip Built-in Functions</a>, Previous: <a href="MSP430-Built_002din-Functions.html#MSP430-Built_002din-Functions" accesskey="p" rel="prev">MSP430 Built-in Functions</a>, Up: <a href="Target-Builtins.html#Target-Builtins" accesskey="u" rel="up">Target Builtins</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="NDS32-Built_002din-Functions-1"></a>
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<h4 class="subsection">6.59.19 NDS32 Built-in Functions</h4>
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<p>These built-in functions are available for the NDS32 target:
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</p>
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<dl>
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<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>
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<dd><p>Insert an ISYNC instruction into the instruction stream where
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<var>addr</var> is an instruction address for serialization.
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</p></dd></dl>
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<dl>
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<dt><a name="index-_005f_005fbuiltin_005fnds32_005fisb"></a>Built-in Function: <em>void</em> <strong>__builtin_nds32_isb</strong> <em>(void)</em></dt>
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<dd><p>Insert an ISB instruction into the instruction stream.
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</p></dd></dl>
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<dl>
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<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>
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<dd><p>Return the content of a system register which is mapped by <var>sr</var>.
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</p></dd></dl>
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<dl>
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<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>
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<dd><p>Return the content of a user space register which is mapped by <var>usr</var>.
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</p></dd></dl>
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<dl>
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<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>
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<dd><p>Move the <var>value</var> to a system register which is mapped by <var>sr</var>.
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</p></dd></dl>
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<dl>
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<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>
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<dd><p>Move the <var>value</var> to a user space register which is mapped by <var>usr</var>.
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</p></dd></dl>
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<dl>
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<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>
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<dd><p>Enable global interrupt.
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</p></dd></dl>
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<dl>
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<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>
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<dd><p>Disable global interrupt.
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</p></dd></dl>
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</body>
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</html>
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