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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"> | ||
6 | <meta name="generator" content="DocBook XSL Stylesheets V1.76.1"> | ||
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"> | ||
10 | <link rel="next" href="licenses.html" title="3.4. Licenses"> | ||
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> | ||