Re: [ECOS] floating point problem

["Rini van Zetten" <Rini at Arvoo dot nl>]

I have a recent pentiumIII system with fpu.

When configuring ecos do I have to enable floating point support ?

Rini

-----Original Message-----
From: Jonathan Larmour <jlarmour@redhat.com>
To: Rini van Zetten <Rini@Arvoo.nl>
Cc: ecos-discuss@sourceware.cygnus.com <ecos-discuss@sourceware.cygnus.com>;
Mark Salter <msalter@redhat.com>
Date: donderdag 1 november 2001 15:49
Subject: Re: [ECOS] floating point problem


>Rini van Zetten wrote:
>>
>> Hello all,
>>
>> I'm a newbie to ecos and just do some simple test.
>>
>> I have create a redboot boot floppy for my i386 target, this works fine.
>>
>> I'm able to compile and run the examples (eg hello.c).
>>
>> But if i want to do some tests with a float in it. the sample crashes :
>> It even crashes if i only declare a var as float.
>>
>> It crashes in clits.hxx (line109) :Segmentation fault
>
>Just checking the obvious, but do you definitely have an FPU? FPUs weren't
>"standard" until the Pentium (and even some later Pentiums for the embedded
>market don't have an FPU either).
>
>If you do, then it may well be something to do with recent changes that
>extensively altered the x86 FPU support, although the extra new features
>are disabled by default, but perhaps something slipped through?
>
>Jifl
>--
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