mirror of
https://github.com/xemu-project/xemu.git
synced 2024-12-04 09:53:32 +00:00
70c04a7ca2
Booting on s390x is a little bit different compared to other architectures. Let's add some information for people who are not yet used to this. Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <20200806150507.12073-1-thuth@redhat.com> [CH: minor wording tweaks] Signed-off-by: Cornelia Huck <cohuck@redhat.com>
36 lines
997 B
ReStructuredText
36 lines
997 B
ReStructuredText
.. _s390x-System-emulator:
|
|
|
|
s390x System emulator
|
|
---------------------
|
|
|
|
QEMU can emulate z/Architecture (in particular, 64 bit) s390x systems
|
|
via the ``qemu-system-s390x`` binary. Only one machine type,
|
|
``s390-ccw-virtio``, is supported (with versioning for compatibility
|
|
handling).
|
|
|
|
When using KVM as accelerator, QEMU can emulate CPUs up to the generation
|
|
of the host. When using the default cpu model with TCG as accelerator,
|
|
QEMU will emulate a subset of z13 cpu features that should be enough to run
|
|
distributions built for the z13.
|
|
|
|
Device support
|
|
==============
|
|
|
|
QEMU will not emulate most of the traditional devices found under LPAR or
|
|
z/VM; virtio devices (especially using virtio-ccw) make up the bulk of
|
|
the available devices. Passthrough of host devices via vfio-pci, vfio-ccw,
|
|
or vfio-ap is also available.
|
|
|
|
.. toctree::
|
|
s390x/vfio-ap
|
|
s390x/css
|
|
s390x/3270
|
|
s390x/vfio-ccw
|
|
|
|
Architectural features
|
|
======================
|
|
|
|
.. toctree::
|
|
s390x/bootdevices
|
|
s390x/protvirt
|