projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| f58f084e CH |
1 | .. _s390x-System-emulator: |
| 2 | ||
| 3 | s390x System emulator | |
| 4 | --------------------- | |
| 5 | ||
| 6 | QEMU can emulate z/Architecture (in particular, 64 bit) s390x systems | |
| 7 | via the ``qemu-system-s390x`` binary. Only one machine type, | |
| 8 | ``s390-ccw-virtio``, is supported (with versioning for compatibility | |
| 9 | handling). | |
| 10 | ||
| 11 | When using KVM as accelerator, QEMU can emulate CPUs up to the generation | |
| 12 | of the host. When using the default cpu model with TCG as accelerator, | |
| 13 | QEMU will emulate a subset of z13 cpu features that should be enough to run | |
| 14 | distributions built for the z13. | |
| 15 | ||
| 16 | Device support | |
| 17 | ============== | |
| 18 | ||
| 19 | QEMU will not emulate most of the traditional devices found under LPAR or | |
| 20 | z/VM; virtio devices (especially using virtio-ccw) make up the bulk of | |
| 21 | the available devices. Passthrough of host devices via vfio-pci, vfio-ccw, | |
| 22 | or vfio-ap is also available. | |
| 23 | ||
| 24 | .. toctree:: | |
| 25 | s390x/vfio-ap | |
| f31270d4 | 26 | s390x/css |
| 61a3d5ed | 27 | s390x/3270 |
| 8e75b835 | 28 | s390x/vfio-ccw |
| e59a59a4 | 29 | s390x/pcidevices |
| f58f084e | 30 | |
| 42fc5eae JF |
31 | Architectural features |
| 32 | ====================== | |
| 33 | ||
| 34 | .. toctree:: | |
| 70c04a7c | 35 | s390x/bootdevices |
| 42fc5eae | 36 | s390x/protvirt |