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Re: [Qemu-devel] [PATCH 15/35] tcg-s390: Query instruction extensions th
From: |
Aurelien Jarno |
Subject: |
Re: [Qemu-devel] [PATCH 15/35] tcg-s390: Query instruction extensions that are installed. |
Date: |
Sun, 13 Jun 2010 12:49:40 +0200 |
User-agent: |
Mutt/1.5.20 (2009-06-14) |
On Fri, Jun 11, 2010 at 06:13:49AM -0700, Richard Henderson wrote:
> On 06/11/2010 01:06 AM, Aurelien Jarno wrote:
> >> That said, all the hardware to which either I or agraf have access are the
> >> latest
> >> z10 machines. Frankly I expect that to be true of most if not all
> >> machines, since
> >> I think it's just a microcode update which everyone with an active support
> >> contract
> >> can get.
> >>
> >
> > FYI, that's the /proc/cpuinfo of s390 machines I have (more or less)
> > access:
> >
> > features : esan3 zarch msa ldisp
> > features : esan3 zarch stfle msa ldisp eimm dfp
> > features : esan3 zarch stfle msa ldisp eimm dfp etf3eh highgprs
>
> Interesting that your first one doesn't have stfle. That one will have to
> go through the SIGILL path. I would be very interested to have you test
> that code path.
I have tried, it correctly detects zarch and ldisp.
> Also, what era is that second machine without highgprs? Is it running an
> old kernel, or a 32-bit kernel?
>
I have very few infos about it, it's an IBM System z10 machine running a
64-bit 2.6.26 kernel.
--
Aurelien Jarno GPG: 1024D/F1BCDB73
address@hidden http://www.aurel32.net
- Re: [Qemu-devel] [PATCH 13/35] tcg-s390: Tidy regset initialization; use R14 as temporary., (continued)
- [Qemu-devel] [PATCH 14/35] tcg-s390: Rearrange register allocation order., Richard Henderson, 2010/06/04
- [Qemu-devel] [PATCH 15/35] tcg-s390: Query instruction extensions that are installed., Richard Henderson, 2010/06/04
- Re: [Qemu-devel] [PATCH 15/35] tcg-s390: Query instruction extensions that are installed., Aurelien Jarno, 2010/06/10
- Re: [Qemu-devel] [PATCH 15/35] tcg-s390: Query instruction extensions that are installed., Richard Henderson, 2010/06/11
- Re: [Qemu-devel] [PATCH 15/35] tcg-s390: Query instruction extensions that are installed.,
Aurelien Jarno <=
- Re: [Qemu-devel] [PATCH 15/35] tcg-s390: Query instruction extensions that are installed., Richard Henderson, 2010/06/13
- Re: [Qemu-devel] [PATCH 15/35] tcg-s390: Query instruction extensions that are installed., Aurelien Jarno, 2010/06/13
- Re: [Qemu-devel] [PATCH 15/35] tcg-s390: Query instruction extensions that are installed., Alexander Graf, 2010/06/13
- Re: [Qemu-devel] [PATCH 15/35] tcg-s390: Query instruction extensions that are installed., Richard Henderson, 2010/06/14
- Re: [Qemu-devel] [PATCH 15/35] tcg-s390: Query instruction extensions that are installed., Alexander Graf, 2010/06/14
[Qemu-devel] [PATCH 16/35] tcg-s390: Re-implement tcg_out_movi., Richard Henderson, 2010/06/04
[Qemu-devel] [PATCH 17/35] tcg-s390: Implement sign and zero-extension operations., Richard Henderson, 2010/06/04