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Re: Question about ARM processors above Cortex-M3
- From: Slide <slide dot o dot mix at gmail dot com>
- To: Eigil Krogh Sørensen <eisor at tcelectronic dot com>
- Cc: "ecos-discuss at ecos dot sourceware dot org" <ecos-discuss at ecos dot sourceware dot org>
- Date: Thu, 24 Mar 2011 15:19:28 -0700
- Subject: Re: [ECOS] Question about ARM processors above Cortex-M3
- References: <55E5231BD2EB004EB1E67397C33B3A3E39EAC4AC@ex004tcg>
On Thu, Mar 24, 2011 at 10:10 AM, Eigil Krogh Sørensen
<eisor@tcelectronic.com> wrote:
> As far as I can find out there is no support for Cortex processors above M3 (M4, R4(F), A8..). The eCos arm-eabi-gcc for cygwin is v. 4.3 and support for the M4, R4(F) and A8 is introduces in gcc-4.4.
>
> . Is there any special reason for that?
> . Is work being done, to make a gcc >= 4.4 for cygwin?
> . If e.g. we choose to use the R4(F) or A8 will code compiled for Cortex-M3 with arm-eabi-gcc 4.3 then run on those processors and utilize the Cahes ?
> . Is there any way we can utilize the VFPv3?floating point processor in C/C++ ?
>
>
> Thanks in advance.
>
>
In addition to this, has any work been done on SMP support?
Thanks,
slide
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