On 24 Jun 2009, at 12:01, Sante Caserio wrote:
> Does GNUStep support mips architecture? Is it possible to install
> GNUStep on
> a Lemote Yeelong laptop? (
http://www.lemote.com/english/yeeloong.html)
That should run GNUstep nicely. There are some problems with GNUstep
on stock Debian on some of the cheaper MIPS laptops. Debian expects
hardware floating point (which Loongson 2F in that machine has, but
the cheaper MIPS chips don't) and so every floating point operation is
trapped and emulated. This is very slow for anything in GUI (all
drawing operations use floating point extensively). Recompiling to
use soft-float makes things a lot faster, but this changes the calling
convention of anything using floating point operations, so requires
everything from libc up to be rebuild.
We added m68k atomic operations a few weeks ago, but we don't have any
for MIPS currently (only x86, PowerPC and m68k). If you are building
with GCC 4.2 or later then it will use the compiler's support for
atomic operations, which should work on MIPS. If not, then every -
retain or -release operation will acquire and release a mutex, which
is (comparatively) very slow. If you're familiar with MIPS assembly,
feel free to contribute some inline asm as fall-back code.
Everything else should work correctly. Enjoy your dog leftover...
David
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