From: Jonathan Larmour <jlarmour@redhat.com>
To: "Lewin A.R.W. Edwards" <larwe@larwe.com>
Cc: ecos-discuss@sources.redhat.com
Subject: Re: [ECOS] How to run eCos in SMDK41100 board
Date: Tue, 30 Jan 2001 20:14:00 -0000 [thread overview]
Message-ID: <3A779130.ECE8B168@redhat.com> (raw)
In-Reply-To: <4.3.2.7.2.20010130230539.00b14720@larwe.com>
"Lewin A.R.W. Edwards" wrote:
>
> > > But ignore the instructions on how to build for arm-thumb, because it
> > > doesn't seem to work with any downloadable version of the gcc source tree.
> > > Build the regular arm-elf version.
> >
> >If you are referring to the change in gcc that meant that you could no
> >longer configure gcc for "thumb-elf", and instead using regular arm-elf
> >tools with -mthumb, then that was fixed quite a while ago.
>
> Two things:
>
> 1. When is "quite a while ago"? The last time I tried it was about two
> months ago, maybe less. TTBOMK there has not been a new gcc release since
> then...?
I meant that the instructions were updated to reflect the change in gcc.
> 2. Correct me if I misunderstand the situation, but the state of affairs
> with the current versions of gcc and binutils seems to be that you can
> configure binutils so that it will support assembly of thumb instructions
> (with -mthumb to gas) but gcc will not take advantage of this. So you can
> only take advantage of thumb if you are writing in assembler, meaning that
> thumb support is basically broken at this time.
My understanding is that compiling with "arm-elf-gcc -mthumb" should work.
Does it not?
Jifl
--
Red Hat, Rustat House, Clifton Road, Cambridge, UK. Tel: +44 (1223) 271062
Maybe this world is another planet's Hell -Aldous Huxley || Opinions==mine
next prev parent reply other threads:[~2001-01-30 20:14 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-30 18:42 james chen
2001-01-30 19:04 ` Jonathan Larmour
2001-01-30 19:45 ` james chen
2001-01-30 19:50 ` Jonathan Larmour
2001-01-30 19:54 ` Lewin A.R.W. Edwards
2001-01-30 20:05 ` Jonathan Larmour
2001-01-30 20:11 ` Lewin A.R.W. Edwards
2001-01-30 20:14 ` Jonathan Larmour [this message]
2001-01-30 20:19 ` Lewin A.R.W. Edwards
2001-01-30 20:24 ` Jonathan Larmour
2001-01-30 20:30 ` Lewin A.R.W. Edwards
2001-01-30 20:41 ` Jonathan Larmour
2001-01-30 20:43 ` Lewin A.R.W. Edwards
2001-01-31 1:04 ` Ling Su
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