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Re: Help!
- To: windy <windy_yuan at 263 dot net>
- Subject: Re: [ECOS] Help!
- From: Jonathan Larmour <jlarmour at redhat dot com>
- Date: Tue, 10 Apr 2001 21:19:48 +0100
- Cc: ecos-discuss at sources dot redhat dot com
- Organization: Red Hat UK Ltd.
- References: <200104060641.XAA13189@cygnus.com> <3ACDDD24.AEC8EB55@redhat.com> <006a01c0bf58$63d90c50$cd4e66ca@wdy>
windy wrote:
>
> > > We have ported ecos to our arm7 system.It seems work well,But division fail always confuses us.
> > >
[snip]
> Today I have traced into __divsf3 . The bus error is reported when executing the instruction like "LDR R2, [R1,#2]".
> When 'LDR' is used to load data which is not word align ,it will always cause bus error.
> It seems arm7 on Samsung S3C44 box couldn't execute this type instruction correctly, although the manual book says
> support. So strange!
See the thread "Access unaligned address" which I just replied to. This
looks like the same issue.
Jifl
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