Subject:
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Re: Kernel dies after loading (was: Re: legOS-0.2.2)
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Newsgroups:
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lugnet.robotics.rcx.legos
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Date:
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Mon, 15 Nov 1999 15:50:16 GMT
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Viewed:
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1494 times
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Luis Villa wrote:
> As I understand it, the patch provides support for interrupts, which, at
> least from my glance over the code, are necessary only for LNP stuff.
> (Markus, feel free to correct me on this.) So, it will compile with your
> "old" cross compiler and provide workable binaries (at least the limited
> ones that I have tried.)
> -Luis
In theory, everything should work with an unpatched cross compiler, too.
legOS code checks a preprocessor define, CONF_RCX_COMPILER, I think, to
determine whether patched or unpatched compilers are used. The problem
is, I don't have an unpatched compiler around anymore. Also, I did all
my development with a patched compiler. So old-style support was added
quite late in the process, and it might be shaky.
I'll look into gcc-2.95 problems later this week, I haven't tried that
compiler version yet. Possibly, gcc-2.95 might handle register
allocation differently, thus breaking legOS code. For now, egcs-1.1.1 or
1.1.2 should be safe.
Please understand that I am very busy right now. Later this week may
really mean Sunday.
Markus.
--
"Nieder mit den Zitaten!" -Markus L. Noga <markus@noga.de>
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