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Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emu
From: |
Cédric Le Goater |
Subject: |
Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation |
Date: |
Sun, 19 Jun 2016 19:23:33 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Icedove/45.1.0 |
On 06/19/2016 04:08 PM, Benjamin Herrenschmidt wrote:
> On Sun, 2016-06-19 at 14:49 +0200, Cédric Le Goater wrote:
>>> So my test is correct in the context of what we emulate today.
>>
>> OK. so this is an openbios issue when run under a ppc64. shouldn't we
>> be using an openbios-ppc64 in that case ?
>>
>>
>> We could be more strict with the rfi instruction.
>
> Well, ppc64 isn't backward compatible with ppc32 at the supervisor
> level, at least not on server chips (it is on bookE chips). So yes it's
> an OpenBIOS problem but that doesn't mean we have to use openbios-ppc64
> :-)
>
> You can run a 32-bit OS or firmware on ppc64, but it needs to know that
> it's running on a 64-bit chip and do a few things differently.
yes sure but qemu would still allow rfi under 64bit CPUs, that is what
I was concerned about. Is that ok ?
C.
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, (continued)
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Benjamin Herrenschmidt, 2016/06/18
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Cédric Le Goater, 2016/06/19
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Alexander Graf, 2016/06/19
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Cédric Le Goater, 2016/06/19
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Benjamin Herrenschmidt, 2016/06/19
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Benjamin Herrenschmidt, 2016/06/19
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Benjamin Herrenschmidt, 2016/06/20
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Alexander Graf, 2016/06/20
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Benjamin Herrenschmidt, 2016/06/20
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Benjamin Herrenschmidt, 2016/06/19
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation,
Cédric Le Goater <=
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Benjamin Herrenschmidt, 2016/06/19
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, David Gibson, 2016/06/19
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Cédric Le Goater, 2016/06/20
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Thomas Huth, 2016/06/20
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Benjamin Herrenschmidt, 2016/06/20
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Cédric Le Goater, 2016/06/20
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Benjamin Herrenschmidt, 2016/06/20
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Cédric Le Goater, 2016/06/20
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Benjamin Herrenschmidt, 2016/06/20
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Benjamin Herrenschmidt, 2016/06/18