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Upstream: https://gitlab.com/qemu-project/qemu.git Upstream-Commit: d2e570cc0f97b936902a5b1b86b73c0f5998b475
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30 lines
945 B
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----------
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About QEMU
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----------
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QEMU is a generic and open source machine emulator and virtualizer.
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QEMU can be used in several different ways. The most common is for
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:ref:`System Emulation`, where it provides a virtual model of an
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entire machine (CPU, memory and emulated devices) to run a guest OS.
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In this mode the CPU may be fully emulated, or it may work with a
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hypervisor such as KVM, Xen or Hypervisor.Framework to allow the
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guest to run directly on the host CPU.
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The second supported way to use QEMU is :ref:`User Mode Emulation`,
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where QEMU can launch processes compiled for one CPU on another CPU.
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In this mode the CPU is always emulated.
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QEMU also provides a number of standalone :ref:`command line
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utilities<Tools>`, such as the ``qemu-img`` disk image utility that
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allows you to create, convert and modify disk images.
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.. toctree::
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:maxdepth: 2
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build-platforms
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emulation
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deprecated
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removed-features
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license
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