On Mon, 2007-07-16 at 08:51 +0200, Robert Schwebel wrote: > On Sun, Jul 15, 2007 at 06:48:53AM +1000, Benjamin Herrenschmidt wrote: > > Your approach would work I suppose.... though it's a bit ugly. > > Speaking of uggly, I'm still wondering why this oftree stuff for powerpc > must be soooo complicated. If you come from the ARM-linux world like we > do, the whole powerpc BSP stuff looks like a completely overengineered > piece of code, introducing complexity where it isn't necessary. But it > may be that it's just me not knowing powerpc kernel requirements deeply > enough :)
And I don't know anything about ARM, so let's trade uninformed opinions ... :) # cd arch/arm # du -sk kernel/ mach-* | sort -nk 1 16 mach-l7200 16 mach-s3c2400 24 mach-clps7500 24 mach-s3c2442 32 mach-iop33x 32 mach-rpc 32 mach-shark 36 mach-ebsa110 40 mach-aaec2000 48 mach-h720x 48 mach-ks8695 52 mach-iop32x 56 mach-davinci 60 mach-ixp23xx 60 mach-ns9xxx 60 mach-s3c2443 68 mach-clps711x 68 mach-s3c2412 72 mach-netx 72 mach-realview 72 mach-versatile 76 mach-s3c2440 80 mach-ep93xx 80 mach-imx 88 mach-ixp2000 96 mach-iop13xx 96 mach-lh7a40x 108 mach-pnx4008 124 mach-footbridge 124 mach-integrator 140 mach-ixp4xx 140 mach-s3c2410 252 mach-sa1100 272 mach-omap2 296 mach-omap1 296 mach-pxa 332 mach-at91 428 kernel/ # cd arch/powerpc # du -sk kernel/ sysdev/ platforms/* | sort -nk 1 8 platforms/prep 12 platforms/4xx 24 platforms/44x 40 platforms/82xx 44 platforms/86xx 52 platforms/8xx 52 platforms/embedded6xx 56 platforms/maple 60 platforms/83xx 64 platforms/85xx 64 platforms/chrp 72 platforms/52xx 72 platforms/pasemi 140 platforms/celleb 212 platforms/ps3 280 platforms/iseries 300 platforms/pseries 412 platforms/powermac 412 sysdev/ 544 platforms/cell (spufs shared with ps3 (and celleb?)) 1636 kernel/ Not to mention that ~8 of those platforms can be built into a single vmlinux that will boot on any of the supported machines, including five different hypervisors. cheers -- Michael Ellerman OzLabs, IBM Australia Development Lab wwweb: http://michael.ellerman.id.au phone: +61 2 6212 1183 (tie line 70 21183) We do not inherit the earth from our ancestors, we borrow it from our children. - S.M.A.R.T Person
signature.asc
Description: This is a digitally signed message part
_______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
