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Re: [Qemu-devel] fpu problems with qemu-system-sparc
From: |
Joerg Platte |
Subject: |
Re: [Qemu-devel] fpu problems with qemu-system-sparc |
Date: |
Fri, 19 May 2006 21:38:29 +0200 |
User-agent: |
KMail/1.9.1 |
Am Freitag, 19. Mai 2006 21:14 schrieb Blue Swirl:
Hi!
> I'd still check the ld/stfsr implementation. The V8 spec says that stfsr
> _may_ zero the ftt field in fsr and what you describe sounds like the
> trapping happens too often. Just add env->fsr &= ~FSR_FTT_MASK into
> op_stfsr.
I already log each fsr access. All bits, except the fcc bits, are always zero
when linux or the program try to access the fsr.
> The timer frequency can be changed by modifying CNT_FREQ in slavio_timer.c
> if you want to try that.
Thanks, I'll try that later.
regards,
Jörg
Re: [Qemu-devel] fpu problems with qemu-system-sparc, Joerg Platte, 2006/05/23