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108 lines
4.8 KiB
HTML
108 lines
4.8 KiB
HTML
4 years ago
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<html>
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<!-- Copyright (C) 1988-2018 Free Software Foundation, Inc.
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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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Texts being (a) (see below), and with the Back-Cover Texts being (b)
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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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funds for GNU development. -->
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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>Blackfin Variable Attributes (Using the GNU Compiler Collection (GCC))</title>
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<meta name="description" content="Blackfin Variable Attributes (Using the GNU Compiler Collection (GCC))">
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<meta name="keywords" content="Blackfin Variable Attributes (Using the GNU Compiler Collection (GCC))">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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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="Variable-Attributes.html#Variable-Attributes" rel="up" title="Variable Attributes">
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<link href="H8_002f300-Variable-Attributes.html#H8_002f300-Variable-Attributes" rel="next" title="H8/300 Variable Attributes">
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<link href="AVR-Variable-Attributes.html#AVR-Variable-Attributes" rel="prev" title="AVR Variable Attributes">
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</head>
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<body lang="en">
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<a name="Blackfin-Variable-Attributes"></a>
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<div class="header">
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<p>
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Next: <a href="H8_002f300-Variable-Attributes.html#H8_002f300-Variable-Attributes" accesskey="n" rel="next">H8/300 Variable Attributes</a>, Previous: <a href="AVR-Variable-Attributes.html#AVR-Variable-Attributes" accesskey="p" rel="prev">AVR Variable Attributes</a>, Up: <a href="Variable-Attributes.html#Variable-Attributes" accesskey="u" rel="up">Variable Attributes</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="Blackfin-Variable-Attributes-1"></a>
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<h4 class="subsection">6.32.4 Blackfin Variable Attributes</h4>
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<p>Three attributes are currently defined for the Blackfin.
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</p>
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<dl compact="compact">
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<dt><code>l1_data</code></dt>
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<dt><code>l1_data_A</code></dt>
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<dt><code>l1_data_B</code></dt>
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<dd><a name="index-l1_005fdata-variable-attribute_002c-Blackfin"></a>
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<a name="index-l1_005fdata_005fA-variable-attribute_002c-Blackfin"></a>
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<a name="index-l1_005fdata_005fB-variable-attribute_002c-Blackfin"></a>
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<p>Use these attributes on the Blackfin to place the variable into L1 Data SRAM.
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Variables with <code>l1_data</code> attribute are put into the specific section
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named <code>.l1.data</code>. Those with <code>l1_data_A</code> attribute are put into
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the specific section named <code>.l1.data.A</code>. Those with <code>l1_data_B</code>
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attribute are put into the specific section named <code>.l1.data.B</code>.
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</p>
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</dd>
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<dt><code>l2</code></dt>
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<dd><a name="index-l2-variable-attribute_002c-Blackfin"></a>
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<p>Use this attribute on the Blackfin to place the variable into L2 SRAM.
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Variables with <code>l2</code> attribute are put into the specific section
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named <code>.l2.data</code>.
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</p></dd>
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</dl>
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</body>
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</html>
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