Messages in this thread | | | Date | Wed, 27 Mar 2013 22:35:20 -0700 | From | "H. Peter Anvin" <> | Subject | Re: Generic syscall ABI support |
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On 03/27/2013 08:09 PM, Ley Foon Tan wrote: > Need advise regarding the generic syscall ABI support. > > We are planning to upstream our Nios II kernel (arch/nios2) to mainline. > But it doesn't support generic syscall ABI yet (It requires an updated > Glibc port as well). > > The question is, is it a requirement for new arch to support generic > syscall ABI when upstreaming? Can we upstream a non-generic syscall ABI > first and migrate to generic syscall ABI in future? > Thanks. > > Regards > LFTAN >
That would be extremely difficult.
In general, you should use the generic ABI for a new port unless you have *very* strong and convincing reasons not to.
Given how long the Nios2 port has been in upstreaming (unfortunate, I like to play with FPGAs ;) it seems worthwhile to adjust it before pushing it.
-hpa
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