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<section id="sparc32-system-emulator">
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<span id="id1"></span><h1>Sparc32 System emulator<a class="headerlink" href="#sparc32-system-emulator" title="Link to this heading"></a></h1>
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<p>Use the executable <code class="docutils literal notranslate"><span class="pre">qemu-system-sparc</span></code> to simulate the following Sun4m
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architecture machines:</p>
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<ul class="simple">
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<li><p>SPARCstation 4</p></li>
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<li><p>SPARCstation 5</p></li>
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<li><p>SPARCstation 10</p></li>
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<li><p>SPARCstation 20</p></li>
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<li><p>SPARCserver 600MP</p></li>
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<li><p>SPARCstation LX</p></li>
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<li><p>SPARCstation Voyager</p></li>
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<li><p>SPARCclassic</p></li>
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<li><p>SPARCbook</p></li>
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</ul>
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<p>The emulation is somewhat complete. SMP up to 16 CPUs is supported, but
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Linux limits the number of usable CPUs to 4.</p>
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<p>QEMU emulates the following sun4m peripherals:</p>
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<ul class="simple">
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<li><p>IOMMU</p></li>
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<li><p>TCX or cgthree Frame buffer</p></li>
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<li><p>Lance (Am7990) Ethernet</p></li>
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<li><p>Non Volatile RAM M48T02/M48T08</p></li>
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<li><p>Slave I/O: timers, interrupt controllers, Zilog serial ports,
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<a class="reference internal" href="devices/keyboard.html#keyboard"><span class="std std-ref">Sparc32 keyboard</span></a> and power/reset logic</p></li>
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<li><p>ESP SCSI controller with hard disk and CD-ROM support</p></li>
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<li><p>Floppy drive (not on SS-600MP)</p></li>
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<li><p>CS4231 sound device (only on SS-5, not working yet)</p></li>
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</ul>
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<p>The number of peripherals is fixed in the architecture. Maximum memory
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size depends on the machine type, for SS-5 it is 256MB and for others
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2047MB.</p>
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<p>Since version 0.8.2, QEMU uses OpenBIOS <a class="reference external" href="https://www.openbios.org/">https://www.openbios.org/</a>.
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OpenBIOS is a free (GPL v2) portable firmware implementation. The goal
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is to implement a 100% IEEE 1275-1994 (referred to as Open Firmware)
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compliant firmware.</p>
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<p>A sample Linux 2.6 series kernel and ram disk image are available on the
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QEMU web site. There are still issues with NetBSD and OpenBSD, but most
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kernel versions work. Please note that currently older Solaris kernels
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don’t work probably due to interface issues between OpenBIOS and
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Solaris.</p>
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</section>
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<a href="s390x/cpu-topology.html" class="btn btn-neutral float-left" title="CPU topology on s390x" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
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<p>This documentation is for QEMU version 8.2.2.</p>
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<p><a href="../about/license.html">QEMU and this manual are released under the
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