Re: [PATCH v3 00/12] target/ppc: Correct some errors with real mode handling

[David Gibson]

On Wed, Feb 19, 2020 at 11:54:02AM +1100, David Gibson wrote:
> POWER "book S" (server class) cpus have a concept of "real mode" where
> MMU translation is disabled... sort of.  In fact this can mean a bunch
> of slightly different things when hypervisor mode and other
> considerations are present.
> 
> We had some errors in edge cases here, so clean some things up and
> correct them.

Duh.  Forgot to run checkpatch, new version coming shortly.

> 
> Changes since v2:
>  * Removed 32-bit hypervisor stubs more completely
>  * Minor polish based on review comments
> Changes since RFCv1:
>  * Add a number of extra patches taking advantage of the initial
>    cleanups
> 
> David Gibson (12):
>   ppc: Remove stub support for 32-bit hypervisor mode
>   ppc: Remove stub of PPC970 HID4 implementation
>   target/ppc: Correct handling of real mode accesses with vhyp on hash
>     MMU
>   target/ppc: Introduce ppc_hash64_use_vrma() helper
>   spapr, ppc: Remove VPM0/RMLS hacks for POWER9
>   target/ppc: Remove RMOR register from POWER9 & POWER10
>   target/ppc: Use class fields to simplify LPCR masking
>   target/ppc: Streamline calculation of RMA limit from LPCR[RMLS]
>   target/ppc: Correct RMLS table
>   target/ppc: Only calculate RMLS derived RMA limit on demand
>   target/ppc: Streamline construction of VRMA SLB entry
>   target/ppc: Don't store VRMA SLBE persistently
> 
>  hw/ppc/spapr_cpu_core.c         |   6 +-
>  target/ppc/cpu-qom.h            |   1 +
>  target/ppc/cpu.h                |  25 +--
>  target/ppc/mmu-hash64.c         | 329 ++++++++++++--------------------
>  target/ppc/translate_init.inc.c |  60 ++++--
>  5 files changed, 175 insertions(+), 246 deletions(-)
> 

-- 
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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