James Dickens wrote On 12/07/05 13:09,: > While I can understand why no 4m, What I would like is something a bit > easier, i just want ultraI support, the CPU no the u1 platform. I
This one is a whole lot easier/cleaner than sun4m, as you might expect. The putback that ripped out support for UltraSPARC-I processors only affected 9 files, all smallish changes I think. One thing returning older cpu support prevents us doing is removing hardware errata workarounds in the kernel that are specific to those cpu versions. This would be a simple case of removing some stuff from Makefile.workarounds in sun4u and deleting the associated code (most/all assembler) that those #ifdefs enable. This hasn't been done yet. Most of the workaround code (there isn't much) is in non performance-critical paths so there probably isn't much to be gained by removing that code, anyway. I also don't remember which errata affect only US-I and not US-II (other than the obvious one which caused us to boot 32-bit on US-I platforms by default). Gavin _______________________________________________ opensolaris-discuss mailing list opensolaris-discuss@opensolaris.org
