> Heh. :) > > P9P uses a separate file for each arch: plan9/src/libthread/$os-$arch.s > > Inferno uses a separate dir. Some of the dirs have C code instead > since the asm is only an optimisation in this case. > > I'd put a test in the mkfile: if cpuid-$objtype exists build that, > else.. well, either error out or build cpuid-port.c which in turn > either emits an error at runtime or perhaps more usefully outputs the > contents of #P/cputype.
all these examples either have a portable way of doing $function or they implement it for each architecture. i suppose one could add arm support. but at this point, i don't have any intention of doing so. be glad to take the code, though. - erik
