From: Daniel Jacobowitz <drow@false.org>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] ARM
Date: Thu, 10 Jul 2003 19:17:17 -0400 [thread overview]
Message-ID: <20030710231717.GA29901@nevyn.them.org> (raw)
In-Reply-To: <004c01c34702$d8fef4c0$450000c0@4st060j>
On Thu, Jul 10, 2003 at 06:45:03PM +0200, Laurent Desnogues wrote:
> > Warning: no FPU emulation is done. I just added the necessary code to
> > skip the few FPU instructions present in the libc. If anyone has ideas
> > about FPU on ARM, I am interested
>
> When I wrote my ARM v5TE simulator, ARM ISA documentation only
> talked about the VFP unit which had no silicon implementation...
> It looks like there are multiple other FP units on ARM, kind of
> messy! So what specific implementation is required for QEMU?
The Linux/ARM ABI specifies the use of FPA byte-ordering for floats.
But I wouldn't shed any tears if QEmu didn't bother to implement the
relevant coprocessor. FPA's really annoying; the byte ordering is
big-byte-little-word (or the other way around).
--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer
next prev parent reply other threads:[~2003-07-10 23:22 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-09 18:35 [Qemu-devel] ARM Daniel Jacobowitz
2003-07-09 19:49 ` Fabrice Bellard
2003-07-10 16:17 ` Daniel Jacobowitz
2003-07-10 20:10 ` Fabrice Bellard
2003-07-10 23:24 ` Daniel Jacobowitz
2003-07-10 16:45 ` Laurent Desnogues
2003-07-10 23:17 ` Daniel Jacobowitz [this message]
2003-07-09 19:53 ` Jocelyn Mayer
2003-07-10 8:44 ` Fabrice Bellard
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