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On Sat, Apr 2, 2011 at 11:25 PM, Sam Ravnborg <sam@ravnborg.org> wrote: > add basic SPARC support > > Add support for building SPARC targeted toolchain. > With this patch I have built a working sparc V8 (32 toolchain). > > Testing shows that not all gcc versions works well: > 4.4.1 ? ? ? ? ? ?OK ?(kernel builds and the final kernel can boot) > 4.4.2 ? ? ? ? ? ?Not tested > 4.4.3 ? ? ? ? ? ?Not tested > 4.4.4 ? ? ? ? ? ?BAD (Kernel can build but fails during boot) > 4.4.5 ? ? ? ? ? ?BAD (Kernel can build but fails during boot) > 4.5.1 ? ? ? ? ? ?BAD (Build fails with a spill related ICE - http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35664) > 4.5.2 ? ? ? ? ? ?OK ?(kernel builds and boots) > > I have successfully been using the 4.5.2 version for a few months. > > This patch does not add support for the LEON variant. > That may come later. > Sam, I was not sure how to download this patch you made. I really appreciate If you could kindly let me know or send the patched crosstool to me. Thanks! > Signed-off-by: Sam Ravnborg <sam@ravnborg.org> > --- > > The patch was made ~3 months ago and I have not tried to apply it to > recent crosstool-ng. > My spare time has since been occupied by some kernel stuff, and when I get > spare time again I need to go back and finish this first. > Later I still plan to revisit how to add LEON support - allthough > I hope Gaisler will beat me on that... > > ? ? ? ?Sam > > > diff -r cb0f625b3f9f config/arch/sparc.in > --- /dev/null ? Thu Jan 01 00:00:00 1970 +0000 > +++ b/config/arch/sparc.in ? ? ?Sun Apr 03 08:09:50 2011 +0200 > @@ -0,0 +1,13 @@ > +# SPARC specific config options > + > +config ARCH_sparc > + ? ?select ARCH_SUPPORTS_32 > + ? ?select ARCH_SUPPORTS_64 > + ? ?select ARCH_DEFAULT_32 > + ? ?select ARCH_USE_MMU > + ? ?select ARCH_SUPPORT_CPU > + ? ?select ARCH_SUPPORT_TUNE > + ? ?help > + ? ? ?The SUN SPARC architecture, as defined by: > + ? ? ? ?32 bit: http://www.sparc.org/standards/V8.pdf > + ? ? ? ?64 bit: http://www.sparc.org/standards/SPARCV9.pdf > diff -r cb0f625b3f9f scripts/build/arch/sparc.sh > --- /dev/null ? Thu Jan 01 00:00:00 1970 +0000 > +++ b/scripts/build/arch/sparc.sh ? ? ? Sun Apr 03 08:09:50 2011 +0200 > @@ -0,0 +1,10 @@ > +# Compute sparc-specific values > +CT_DoArchTupleValues() { > + ? ?# That's the only thing to override > + ? ?if [ "${CT_ARCH_64}" = "y" ]; then > + ? ? ? ?CT_TARGET_ARCH="${CT_ARCH}64" > + ? ?else > + ? ? ? ?CT_TARGET_ARCH="${CT_ARCH}" > + ? ?fi > + > +} > -- Xun Li Computer Architecture Lab Department of Computer Science University of California, Santa Barbara -- For unsubscribe information see http://sourceware.org/lists.html#faq
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