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  7. <meta name="generator" content="Asciidoctor 2.0.11">
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  8. <meta name="description" content="The perfect emulation setup to study and develop the &lt;&lt;linux-kernel&gt;&gt; v5.9.2, kernel modules, &lt;&lt;qemu-buildroot-setup,QEMU&gt;&gt;, &lt;&lt;gem5-buildroot-setup,gem5&gt;&gt; and x86_64, ARMv7 and ARMv8 &lt;&lt;userland-assembly,userland&gt;&gt; and &lt;&lt;baremetal-setup,baremetal&gt;&gt; assembly, &lt;&lt;c,ANSI C&gt;&gt;, &lt;&lt;cpp,C++&gt;&gt; and &lt;&lt;posix,POSIX&gt;&gt;. &lt;&lt;gdb&gt;&gt; and &lt;&lt;kgdb&gt;&gt; just work. Powered by &lt;&lt;about-the-qemu-buildroot-setup,Buildroot&gt;&gt; and &lt;&lt;about-the-baremetal-setup,crosstool-NG&gt;&gt;. Highly automated. Thoroughly documented. Automated &lt;&lt;test-this-repo,tests&gt;&gt;. "Tested" in an Ubuntu 20.04 host.">
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  9. <title>Linux Kernel Module Cheat</title>
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  453. </head>
    454. 

  454. <body id="arm-bfi-instruction" class="article">
    455. 

  455. <div id="header">
    456. 

  456. <h1>Linux Kernel Module Cheat</h1>
    457. 

  457. </div>
    458. 

  458. <div id="content">
    459. 

  459. <div class="sect5">
    460. 

  460. <h6 id="arm-bfi-instruction"><a class="anchor" href="#arm-bfi-instruction"></a><a class="link" href="#arm-bfi-instruction">30.4.2.3.1. ARM BFI instruction</a></h6>
    461. 

  461. <div class="paragraph">
    462. 

  462. <p>Examples:</p>
    463. 

  463. </div>
    464. 

  464. <div class="ulist">
    465. 

  465. <ul>
    466. 

  466. <li>
    467. 

  467. <p><a href="https://github.com/cirosantilli/linux-kernel-module-cheat/blob/master/userland/arch/arm/bfi.S">userland/arch/arm/bfi.S</a></p>
    468. 

  468. </li>
    469. 

  469. <li>
    470. 

  470. <p><a href="https://github.com/cirosantilli/linux-kernel-module-cheat/blob/master/userland/arch/aarch64/bfi.S">userland/arch/aarch64/bfi.S</a></p>
    471. 

  471. </li>
    472. 

  472. </ul>
    473. 

  473. </div>
    474. 

  474. <div class="paragraph">
    475. 

  475. <p>Move the lower bits of source register into any position in the destination:</p>
    476. 

  476. </div>
    477. 

  477. <div class="ulist">
    478. 

  478. <ul>
    479. 

  479. <li>
    480. 

  480. <p>ARMv8: an alias for <a href="arm-bfm-instruction.html">ARM BFM instruction</a></p>
    481. 

  481. </li>
    482. 

  482. <li>
    483. 

  483. <p>ARMv7: a real instruction</p>
    484. 

  484. </li>
    485. 

  485. </ul>
    486. 

  486. </div>
    487. 

  487. <div class="ulist">
    488. 

  488. <ul>
    489. 

  489. </ul>
    490. 

  490. </div>
    491. 

  491. </div>
    492. 

  492. <div class="paragraph nav-footer">
    493. 

  493. <p>↑ Up: <a href="arm-bfm-instruction.html">ARM BFM instruction</a> | ⌂ Home: <a href="README.html">Linux Kernel Module Cheat</a> | Next: <a href="arm-mov-instruction.html">ARM MOV instruction</a> →</p>
    494. 

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