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1<html>
2<head>
3<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
4<title>3.3.3. Using x32 Right Now</title>
5<link rel="stylesheet" type="text/css" href="../book.css">
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7<link rel="home" href="index.html" title="The Yocto Project Reference Manual">
8<link rel="up" href="x32.html" title="3.3. x32">
9<link rel="prev" href="future-development-and-limitations.html" title="3.3.2. Future Development and Limitations">
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11</head>
12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="section" title="3.3.3. Using x32 Right Now">
13<div class="titlepage"><div><div><h3 class="title">
14<a name="using-x32-right-now"></a>3.3.3. Using x32 Right Now</h3></div></div></div>
15<p>
16 Despite the fact the x32 psABI support is in development state for this release of the
17 Yocto Project, you can follow these steps to use the x32 spABI:
18 </p>
19<div class="itemizedlist"><ul class="itemizedlist" type="disc">
20<li class="listitem"><p>Add the <code class="filename">experimental/meta-x32</code> layer to your local
21 <a class="link" href="../dev-manual/build-directory.html" target="_self">Build Directory</a>.
22 You can find the <code class="filename">experimental/meta-x32</code> source repository at
23 <a class="ulink" href="http://git.yoctoproject.org" target="_self">http://git.yoctoproject.org</a>.</p></li>
24<li class="listitem">
25<p>Edit your <code class="filename">conf/bblayers.conf</code> file so that it includes
26 the <code class="filename">meta-x32</code>.
27 Here is an example:
28 </p>
29<pre class="literallayout">
30 BBLAYERS ?= " \
31 /home/nitin/prj/poky.git/meta \
32 /home/nitin/prj/poky.git/meta-yocto \
33 /home/nitin/prj/poky.git/meta-yocto-bsp \
34 /home/nitin/prj/meta-x32.git \
35 "
36 </pre>
37</li>
38<li class="listitem">
39<p>Enable the x32 psABI tuning file for <code class="filename">x86_64</code>
40 machines by editing the <code class="filename">conf/local.conf</code> like this:
41 </p>
42<pre class="literallayout">
43 MACHINE = "qemux86-64"
44 DEFAULTTUNE = "x86-64-x32"
45 baselib = "${@d.getVar('BASE_LIB_tune-' + (d.getVar('DEFAULTTUNE', True) \
46 or 'INVALID'), True) or 'lib'}"
47 #MACHINE = "atom-pc"
48 #DEFAULTTUNE = "core2-64-x32"
49 </pre>
50</li>
51<li class="listitem">
52<p>As usual, use BitBake to build an image that supports the x32 psABI.
53 Here is an example:
54 </p>
55<pre class="literallayout">
56 $ bitake core-image-sato
57 </pre>
58</li>
59<li class="listitem">
60<p>As usual, run your image using QEMU:
61 </p>
62<pre class="literallayout">
63 $ runqemu qemux86-64 core-image-sato
64 </pre>
65</li>
66</ul></div>
67<p>
68 </p>
69</div></body>
70</html>
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