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| 1 | <html> | ||
| 2 | <head> | ||
| 3 | <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> | ||
| 4 | <title>2.8.2.2. BSP Layer</title> | ||
| 5 | <link rel="stylesheet" type="text/css" href="../book.css"> | ||
| 6 | <meta name="generator" content="DocBook XSL Stylesheets V1.76.1"> | ||
| 7 | <link rel="home" href="index.html" title="Getting Started With Yocto Project"> | ||
| 8 | <link rel="up" href="metadata-machine-configuration-and-policy-configuration.html" title="2.8.2. Metadata, Machine Configuration, and Policy Configuration"> | ||
| 9 | <link rel="prev" href="distro-layer.html" title="2.8.2.1. Distro Layer"> | ||
| 10 | <link rel="next" href="software-layer.html" title="2.8.2.3. Software Layer"> | ||
| 11 | </head> | ||
| 12 | <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="section" title="2.8.2.2. BSP Layer"> | ||
| 13 | <div class="titlepage"><div><div><h4 class="title"> | ||
| 14 | <a name="bsp-layer"></a>2.8.2.2. BSP Layer</h4></div></div></div> | ||
| 15 | <p> | ||
| 16 | The BSP Layer provides machine configurations. | ||
| 17 | Everything in this layer is specific to the machine for which | ||
| 18 | you are building the image or the SDK. | ||
| 19 | A common structure or form is defined for BSP layers. | ||
| 20 | You can learn more about this structure in the | ||
| 21 | <a class="link" href="../bsp-guide/index.html" target="_self">Yocto Project Board Support Package (BSP) Developer's Guide</a>. | ||
| 22 | </p> | ||
| 23 | <div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"> | ||
| 24 | <h3 class="title">Note</h3> | ||
| 25 | In order for a BSP layer to be considered compliant with the | ||
| 26 | Yocto Project, it must meet some structural requirements. | ||
| 27 | </div> | ||
| 28 | <p> | ||
| 29 | </p> | ||
| 30 | <p> | ||
| 31 | The BSP Layer's configuration directory contains | ||
| 32 | configuration files for the machine | ||
| 33 | (<code class="filename">conf/machine/<em class="replaceable"><code>machine</code></em>.conf</code>) and, | ||
| 34 | of course, the layer (<code class="filename">conf/layer.conf</code>). | ||
| 35 | </p> | ||
| 36 | <p> | ||
| 37 | The remainder of the layer is dedicated to specific recipes | ||
| 38 | by function: <code class="filename">recipes-bsp</code>, | ||
| 39 | <code class="filename">recipes-core</code>, | ||
| 40 | <code class="filename">recipes-graphics</code>, and | ||
| 41 | <code class="filename">recipes-kernel</code>. | ||
| 42 | Metadata can exist for multiple formfactors, graphics | ||
| 43 | support systems, and so forth. | ||
| 44 | </p> | ||
| 45 | <div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"> | ||
| 46 | <h3 class="title">Note</h3> | ||
| 47 | While the figure shows several <code class="filename">recipes-*</code> | ||
| 48 | directories, not all these directories appear in all | ||
| 49 | BSP layers. | ||
| 50 | </div> | ||
| 51 | <p> | ||
| 52 | </p> | ||
| 53 | </div></body> | ||
| 54 | </html> | ||