[ECOS] How to run eCos in SMDK41100 board
Lewin A.R.W. Edwards
Tue Jan 30 20:19:00 GMT 2001
> > > > 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.
>I meant that the instructions were updated to reflect the change in gcc.
Ummm.. which change is this? From extensive talking with people who
understand a lot more about gcc/binutils than I do, it seems that thumb
just no worky. The specific thumb target is broken (or rather, removed) and
the codegen option is broken or missing.
> > (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?
Nope. cc1.exe says it's an invalid option. (gcc 2.95.2)
=== Lewin A.R.W. Edwards (Embedded Engineer)
Personal: http://www.zws.com/ and http://www.larwe.com/
"Und setzet ihr nicht das Leben ein,
Nie wird euch das Leben gewonnen sein."
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