NAVAILABLE trap in head_40x.S?
-Original Message-
From: Shanyuan Gao [mailto:[EMAIL PROTECTED]
Sent: Tuesday, April 15, 2008 11:34 AM
To: Yoshio Kashiwagi; linuxppc-embedded@ozlabs.org
Cc: Stephen Neuendorffer; John Bonesio
Subject: Re: Problems of using APU/FPU under linux
Thank you, Yo
age-
> >> From: Shanyuan Gao [mailto:[EMAIL PROTECTED]
> >> Sent: Tuesday, April 15, 2008 11:34 AM
> >> To: Yoshio Kashiwagi; linuxppc-embedded@ozlabs.org
> >> Cc: Stephen Neuendorffer; John Bonesio
> >> Subject: Re: Problems of using APU/FPU under
> -Original Message-
> From: Shanyuan Gao [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, April 15, 2008 11:47 AM
> To: Stephen Neuendorffer; linuxppc-embedded@ozlabs.org
> Cc: John Bonesio; Yoshio Kashiwagi
> Subject: Re: Problems of using APU/FPU under linux
>
>
the FPU_UNAVAILABLE trap in head_40x.S?
-Original Message-
From: Shanyuan Gao [mailto:[EMAIL PROTECTED]
Sent: Tuesday, April 15, 2008 11:34 AM
To: Yoshio Kashiwagi; linuxppc-embedded@ozlabs.org
Cc: Stephen Neuendorffer; John Bonesio
Subject: Re: Problems of using APU/FPU under linux
Thank
ound would cause
a
> trap, so my guess is that there is still something else wrong.
>
> Steve
>
> -----Original Message-
> From: [EMAIL PROTECTED]
> [mailto:linuxppc-embedded-
> [EMAIL PROTECTED] On Behalf Of Shanyuan
> Gao
> Sent: Monday, April 14, 2008 9:18 AM
> T
o
> Subject: Re: Problems of using APU/FPU under linux
>
> Thank you, Yoshio!!
>
> I just applied the change, seems it works! But it doesn't work
> correctly. I mean it won't give me traps any more, but the answer is
> not correctly. I just tried to multiply two float num
AIL PROTECTED] On Behalf Of Shanyuan
Gao
Sent: Monday, April 14, 2008 9:18 AM
To: linuxppc-embedded@ozlabs.org
Subject: Problems of using APU/FPU under linux
Hi,
Recently I was trying to make APU/FPU working under Linux on Xilinx
ML410. The standalone programs work perfectly. However under Linux,
is that the there are gcc compiler
> >> patches which are necessary to get the FPU working properly.
> >> However, I
> >> don't think the failure mode that these patches workaround would
> >> cause a
> >> trap, so my guess is that there is still
FPU working properly.
> >> However, I
> >> don't think the failure mode that these patches workaround would
> >> cause a
> >> trap, so my guess is that there is still something else wrong.
> >>
> >> Steve
> >>
> >>> -Origina
d would
cause a
trap, so my guess is that there is still something else wrong.
Steve
-Original Message-
From: [EMAIL PROTECTED]
[mailto:linuxppc-embedded-
[EMAIL PROTECTED] On Behalf Of Shanyuan
Gao
Sent: Monday, April 14, 2008 9:18 AM
To: linuxppc-embedded@ozlabs.org
Subject: Probl
mbedded-
> > [EMAIL PROTECTED] On Behalf Of Shanyuan
> Gao
> > Sent: Monday, April 14, 2008 9:18 AM
> > To: linuxppc-embedded@ozlabs.org
> > Subject: Problems of using APU/FPU under linux
> >
> > Hi,
> >
> > Recently I was trying to make APU/FPU w
something else wrong.
Steve
> -Original Message-
> From: [EMAIL PROTECTED]
[mailto:linuxppc-embedded-
> [EMAIL PROTECTED] On Behalf Of Shanyuan
Gao
> Sent: Monday, April 14, 2008 9:18 AM
> To: linuxppc-embedded@ozlabs.org
> Subject: Problems of using APU/FPU under linux
>
Hi,
Recently I was trying to make APU/FPU working under Linux on Xilinx
ML410. The standalone programs work perfectly. However under Linux,
when I try to use a floating point operation, like *fmuls*, it will
give me a *trap*.
By studying the user guide from Xilinx and dumping the object f
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