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38 lines
1.0 KiB
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.. _s390x-System-emulator:
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s390x System emulator
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---------------------
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QEMU can emulate z/Architecture (in particular, 64 bit) s390x systems
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via the ``qemu-system-s390x`` binary. Only one machine type,
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``s390-ccw-virtio``, is supported (with versioning for compatibility
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handling).
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When using KVM as accelerator, QEMU can emulate CPUs up to the generation
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of the host. When using the default cpu model with TCG as accelerator,
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QEMU will emulate a subset of z13 cpu features that should be enough to run
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distributions built for the z13.
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Device support
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==============
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QEMU will not emulate most of the traditional devices found under LPAR or
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z/VM; virtio devices (especially using virtio-ccw) make up the bulk of
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the available devices. Passthrough of host devices via vfio-pci, vfio-ccw,
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or vfio-ap is also available.
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.. toctree::
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s390x/vfio-ap
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s390x/css
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s390x/3270
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s390x/vfio-ccw
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s390x/pcidevices
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Architectural features
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======================
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.. toctree::
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s390x/bootdevices
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s390x/protvirt
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s390x/cpu-topology
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