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[RFC PATCH 0/4] spapr: clean up nested hv

From: Nicholas Piggin
Subject: [RFC PATCH 0/4] spapr: clean up nested hv
Date: Wed, 3 May 2023 10:39:50 +1000

Something like this is the way I'd been wanting to refactor nested hv.
The state load/store functions and data is (somewhat) abstracted, and
the hcall interface remains in the hcall handlers.

If, hypothetically, you had a new flavour of nested enter hcall that had
some other way of specifying the L2 state to load, then you would
(hopefully) be able to extend and reuse the state struct and load/store


Nicholas Piggin (4):
  spapr: H_ENTER_NESTED should restore host XER ca field
  spapr: Add a nested state struct
  spapr: load and store l2 state with helper functions
  spapr: Move spapr nested HV to a new file

 hw/ppc/meson.build              |   1 +
 hw/ppc/spapr_hcall.c            | 348 +---------------------
 hw/ppc/spapr_nested.c           | 496 ++++++++++++++++++++++++++++++++
 include/hw/ppc/spapr.h          |  61 +---
 include/hw/ppc/spapr_cpu_core.h |   5 +-
 5 files changed, 502 insertions(+), 409 deletions(-)
 create mode 100644 hw/ppc/spapr_nested.c


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