Arnd Bergmann <arnd@xxxxxxxx> writes: > On Tue, Sep 25, 2018 at 2:48 AM Michael Ellerman <mpe@xxxxxxxxxxxxxx> wrote: >> Arnd Bergmann <arnd@xxxxxxxx> writes: >> > On Tue, Sep 18, 2018 at 2:15 PM Firoz Khan <firoz.khan@xxxxxxxxxx> wrote: >> >> On 14 September 2018 at 15:31, Arnd Bergmann <arnd@xxxxxxxx> wrote: >> >> > On Fri, Sep 14, 2018 at 10:33 AM Firoz Khan <firoz.khan@xxxxxxxxxx> wrote: >> > >> > But all three existing architectures (x86, s390 and arm) already >> > have the capability to parse the table and generate different output >> > from that. >> >> Yeah, we want that on powerpc too. >> >> If the script needs to be more complex that's fine, if it can't be >> shared across arches that's fine, the main thing for me is that wiring >> up a syscall can be done by adding a single line in a single file. > > Yes, that's definitely the idea, we want to make it easier for everyone. > We need at least a special case for mips, which needs three separate > input files (the tables are completely different) to generate four versions > of the output, plus a future extension to use the generic table for their > new one. > > For powerpc, I'm hoping that both the table format and script can be > completely generic and not need a special case that is different > from the others, but if we need some extra magic to handle the SPU > syscalls, we can still do that with a private script. Sounds good. cheers
