Re: current 3.0 on status on embedded targets

[Joel Sherrill <joel dot sherrill at OARcorp dot com>]

Toshi Morita wrote:
> 
> My addition:
> 
> v850-*:
>         AFAIK it's broken in both the 3.0 branch and CVS mainline
>         because nobody has reviewed/approved the GCC patch to fix
>         the marking of freeable nodes in the v850 backend.

I was thinking of trying a v850-* even though it is not an RTEMS CPU.
Glad to hear someone else has. :)
 
> Does RTEMS use newlib? Because the sh-* configurations including
> sh-elf now have a dependency on newlib.

RTEMS uses newlib and is itself very dependent on it.  We distribute
our pthreads.h and limits.h with newlib. :)

I would not think sh-elf should have a dependency on newlib though.

> Toshi
> 
> >
> > A quick summary to let you all know what I think is out
> > there at this point.  My plan of attach has been to build
> > the base non-RTEMS target most similar to the RTEMS one.
> > For example, m68k-rtems is elf, so I build m68k-elf first.
> > I won't try the RTEMS if the non-RTEMS is in bad shape.
> >
> > arm-elf:
> >         + requires new setjmp.S for newlib (newlib list)
> >
> > arm-rtems:
> >         + OK
> >
> > h8300-coff:
> >         + requires
> > http://gcc.gnu.org/ml/gcc-patches/2001-06/msg00830.html
> >         and other patches (PR3173)
> >         + still fails in libf2c
> >
> > h8300-rtems:
> >         + see h8300-coff so UNTESTED
> >
> > i386-elf:
> >         + OK
> >
> > i960-coff:
> >         + fails to link f771 (undefined reference to c_lex) (PR3179)
> >
> > i960-elf:
> >         + fails to link f771 (undefined reference to c_lex)
> >
> > i960-rtems:
> >         + see i960-coff so UNTESTED
> >
> > m68k-coff:
> >         + ICE when compiling dtoa.c
> >
> > m68k-elf:
> >         + ICE when compiling libgcc2.c (PR
> >
> > m68k-rtems:
> >         + so m68k-elf so UNTESTED
> >
> > mips-elf:
> >         + OK
> >
> > mips-rtems:
> >         + UNTESTED
> >
> > mips64orion-rtems:
> >       + UNTESTED
> >
> > powerpc-unknown-eabi:
> >         + build failed when out of disk space
> >
> > powerpc-rtems:
> >         + fails on -mrelocatable multilib of libstdc++-v3.  Works on
> >         other libraries (PR3176)
> >
> > sh-coff:
> >         + UNBUILT (no binutils yet)
> >
> > sh-elf:
> >         + invalid assembly (UNREPORTED)
> >
> > sh-rtems:
> >         + see sh-coff
> >
> > sparc-elf:
> >         + UNTESTED
> >
> >
> > sparc-rtems:
> >         + Fails with CXXCPP (PR3174) need to retest with patch
> > ~
> > --
> > Joel Sherrill, Ph.D.             Director of Research & Development
> > joel@OARcorp.com                 On-Line Applications Research
> > Ask me about RTEMS: a free RTOS  Huntsville AL 35805
> >    Support Available             (256) 722-9985
> >

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel@OARcorp.com                 On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
   Support Available             (256) 722-9985