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Re: [PATCH v2 02/10] ppc: Remove stub of PPC970 HID4 implementation
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From: |
Paul Mackerras |
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Subject: |
Re: [PATCH v2 02/10] ppc: Remove stub of PPC970 HID4 implementation |
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Date: |
Wed, 8 Jan 2020 13:17:37 +1100 |
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User-agent: |
Mutt/1.10.1 (2018-07-13) |
On Tue, Jan 07, 2020 at 06:36:38PM +0100, Greg Kurz wrote:
> On Tue, 7 Jan 2020 18:32:15 +0100
> Greg Kurz <address@hidden> wrote:
>
> > On Tue, 7 Jan 2020 15:48:19 +1100
> > David Gibson <address@hidden> wrote:
> >
> > > The PowerPC 970 CPU was a cut-down POWER4, which had hypervisor
> > > capability.
> > > However, it can be (and often was) strapped into "Apple mode", where the
> > > hypervisor capabilities were disabled (essentially putting it always in
> > > hypervisor mode).
>
> Isn't it supervisor mode instead of hypervisor mode ?
No, it's hypervisor mode. MSR[HV] always reads as 1.
Paul.
- Re: [PATCH v2 04/10] target/ppc: Introduce ppc_hash64_use_vrma() helper, (continued)
Re: [PATCH v2 02/10] ppc: Remove stub of PPC970 HID4 implementation, Greg Kurz, 2020/01/08
[PATCH v2 01/10] ppc: Drop PPC_EMULATE_32BITS_HYPV stub, David Gibson, 2020/01/06
[PATCH v2 03/10] target/ppc: Correct handling of real mode accesses with vhyp on hash MMU, David Gibson, 2020/01/06
[PATCH v2 09/10] target/ppc: Correct RMLS table, David Gibson, 2020/01/06