[fpc-devel] arm embedded cortexM3 unrecognized opcode

[Micha Nelissen]

Nataraj S Narayan wrote:
> Hi
> 
> May I ask why do we need a CONFIG_OABI_COMPAT=y in the kernel to for fpc 
> to work on arm-linux?

The fpc target for eabi is called 'armel', the 'arm' target compiles for 
oabi.

Regards, Micha


> On Wed, Jul 14, 2010 at 3:42 PM, Jeppe Johansen <jepjoh2 at kom.aau.dk 
> <mailto:jepjoh2 at kom.aau.dk>> wrote:
> 
>     Well, this is off topic, but ARM is quite a bit backwards
>     compatible. All ARM versions are backwards compatible(if we ignore
>     thumb, which fpc doesn't support anyway) :)
> 
>     Geoffrey Barton skrev:
> 
> 
>         On 14 Jul 2010, at 10:49, Bernd Mueller wrote:
> 
>             Michael Schnell wrote:
> 
>                 On 07/14/2010 11:02 AM, Bernd Mueller wrote:
> 
>                     ... which could easily be done in gcc btw. ...
> 
>                 I'm quite sure that FPC's ASM can compile hex constants
>                 (using "DC" ???)
> 
> 
>             that is not the point. You don't wont to bother with (error
>             prone) hex constants, but want to use the regular assembler
>             mnemonics.
> 
> 
>         quite right! especially with a processor like the ARM, where it
>         keeps, er.., improving its instruction set between each
>         generation of hardware!
> 
>         rgds,
>         Geoffrey
> 
> 
> 
>             Regards, Bernd.
> 
> 
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