On Fri, Feb 10, 2017 at 04:25:50PM +1100, Suraj Jitindar Singh wrote: > This is V2 of the patch series to implement tcg emulation support for a > POWER9 cpu model for the pseries machine type running a legacy kernel. > That is a kernel which doesn't use the new radix mmu mode or the new hash > mmu mode with segment tables. > > To use a POWER9 cpu provide the command line option "-cpu POWER9". > > This series attempts to avoid precluding KVM-HV support for the POWER9 > cpu model but doesn't attempt to support KVM-PR or the powernv machine > for the POWER9 cpu model as these aren't currently supported or > implemented and further code changes will be required in the event these > are implemented. > > This series will be followed shortly by one to implement radix support and > currently trying to boot a kernel with support for radix with this series > will fail on the H_REGISTER_PROCESS_TABLE hcall.
I've applied 1-4 to ppc-for-2.9. That leaves something rather
incomplete, but then that's pretty much already true for our POWER9
support.
>
> The changes from V1 are as follows:
>
> - Drop patches which have already been merged.
> - Instead of allocating a whole partition table we allocate a single
> entry in the sPAPRMachineState and access it via the virtual hypv.
> - Changes to how we handle SDR1 and renaming of associated functions.
> - Drop patch to use the new pte format, guest kernels expect the old
> format anyway, so this will only be applicable when POWER9 powernv
> support is added, so delay adding support for this until then.
> - Rename the mmu fault handler to ppc64_v3_handle_mmu_fault.
> - Move segment table searching into the fault handler instead of in
> slb_lookup().
> - Move adding the POWER9 pseries cpu model to the end of the series.
>
> Suraj Jitindar Singh (10):
> target/ppc/POWER9: Add ISAv3.00 MMU definition
> target/ppc: Fix LPCR DPFD mask define
> target/ppc/POWER9: Adapt LPCR handling for POWER9
> target/ppc/POWER9: Direct all instr and data storage interrupts to the
> hypv
> target/ppc: Add patb_entry to sPAPRMachineState
> target/ppc: Don't use SDR1 when running under a POWER9 cpu model
> target/ppc/POWER9: Add POWER9 mmu fault handler
> target/ppc/POWER9: Add POWER9 pa-features definition
> target/ppc/POWER9: Add cpu_has_work function for POWER9
> hw/ppc/spapr: Add POWER9 to pseries cpu models
>
> hw/ppc/spapr.c | 37 ++++++++++++++++++
> hw/ppc/spapr_cpu_core.c | 3 ++
> include/hw/ppc/spapr.h | 1 +
> target/ppc/cpu-qom.h | 5 ++-
> target/ppc/cpu.h | 24 +++++++++++-
> target/ppc/kvm.c | 2 +-
> target/ppc/machine.c | 4 +-
> target/ppc/misc_helper.c | 3 +-
> target/ppc/mmu-hash64.c | 49 +++++++++++++++++++++---
> target/ppc/mmu-hash64.h | 2 +-
> target/ppc/mmu.h | 50 +++++++++++++++++++++++++
> target/ppc/mmu_helper.c | 54 +++++++++++++++++++++++++--
> target/ppc/translate.c | 7 +++-
> target/ppc/translate_init.c | 91
> +++++++++++++++++++++++++++++++++++++++------
> 14 files changed, 302 insertions(+), 30 deletions(-)
> create mode 100644 target/ppc/mmu.h
>
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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