On Tue, Jun 07, 2016 at 05:39:35PM +0200, Thomas Huth wrote: > If a guest currently only requests PowerISA 2.07 compatiblity mode with > the "ibm,client-architecture-support" firmware call, but does not > specify a matching real PVR for the host CPU on a POWER8 host, > it ends up in POWER7 / PowerISA 2.06 compatibility mode since QEMU > does not support 2.07 compatibility mode yet. This currently happens > when running a Linux guest on a POWER8NVL host, since Linux guests > do not use the PVR for these CPUs for the "ibm,client-architecture- > support" call yet (but I submitted a patch for the kernel to fix this > issue there last week, so the support should soon be there, too). > > Anyway, QEMU should also support a proper 2.07 compatibility mode > if the host CPU can do it. So this patch series introduces such a > mode and does some clean-ups and other fixes along the way (e.g. > it splits the ambiguous pcr_mask setting into two variables, one > for defining the valid bits in the PCR register, and one for > storing the valid ISA levels). > > Thomas Huth (5): > ppc/spapr: Refactor h_client_architecture_support() CPU parsing code > ppc: Split pcr_mask settings into supported bits and the register mask > ppc: Provide function to get CPU class of the host CPU > ppc: Improve PCR bit selection in ppc_set_compat() > ppc: Add PowerISA 2.07 compatibility mode > > hw/ppc/spapr_hcall.c | 63 > +++++++++++++++++++++++++++------------------ > target-ppc/cpu-qom.h | 3 ++- > target-ppc/cpu.h | 1 + > target-ppc/kvm.c | 19 ++++++++++---- > target-ppc/kvm_ppc.h | 7 +++++ > target-ppc/translate_init.c | 22 +++++++++++----- > 6 files changed, 78 insertions(+), 37 deletions(-)
Applied to ppc-for-2.7, thanks.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
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