Messages in this thread | | | From | Luke Deller <> | Date | Sat, 16 Oct 1999 01:02:23 +1000 (EST) | Subject | Re: PATCH: (on Alpha) emulating missing instructions |
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On Fri, 15 Oct 1999, Eric Bohm wrote:
> >>>>> "Luke" == Luke Deller <luked@cse.unsw.edu.au> writes: > > Luke> Daniel & I tried to run Loki's new beta version of > Luke> Civilization Call to Power for alpha linux on a multia (ev4 > Luke> alpha). We got an illegal instruction exception. We > Luke> discovered that it was compiled for ev6, and so contained > Luke> instructions not supported by our CPU. > > Luke> So we have patched the linux kernel to emulate the > Luke> instructions we needed. These instructions are: - byte/word > Luke> load/store instructions (ldbu,stb,ldwu,stw) - some > Luke> multimedia instructions (minsw, maxsw, minuw, maxuw, minsb, > Luke> maxsb, minub, maxub) > > Good work. > > The same problem happens on my EV56. Would you expect your patch to > work there also? Or are there EV5 elements that I should expect > to be issues?
I think that ev56 supports the byte/word load/store instructions, but it is still missing the multimedia instructions (minsw etc). I would expect that ev56 users could also use this patch. Let me know if it works ok :-)
-------------------------------------------------------------------------- Luke Deller luked@cse.unsw.edu.au _--_|\ Computer Engineering student / \ School of Computer Science and Engineering ? ? ? ? \_.--._* The University of New South Wales ~~^^~ v Sydney, NSW 2052 AUSTRALIA o o -------------------------------------------------------ooO--(_)--Ooo------
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