Quoting Corey Osgood <[EMAIL PROTECTED]>: > [EMAIL PROTECTED] wrote: >> Quoting Corey Osgood <[EMAIL PROTECTED]>: >> >> >>> I've separated this into two patches, one code and one microcode, to >>> improve readability, but they would both have to be committed at once >>> (else things break). These patches eliminate a lot of repeated code, >>> make porting and adding new CPUs easier, add all the latest released >>> microcode updates, and add somewhat experimental support for the latest >>> lga775 cpus, along with various other currently unsupported CPUs. >>> Unfortunately, not everything works quite right yet. Here's the broken >>> stuff: >>> >>> * socket_603: includes all Xeon model f0x, f1x, and f2x cpus. This may >>> be incorrect, but I can't see any easy way to find out. >>> * socket_604: includes all Xeon model f2x, f3x, f4x, and f6x. Same as >>> above, with the added bonus of being too large to fit with any current >>> board. It should also include the socket_603 IDs, since socket 603 CPUs >>> work on socket 604 boards. >>> * socket_775: too large to build with most current ports, but it could >>> probably be broken down into socket_775_pentium and socket_775_core. All >>> fxx IDs are pentium 4/D, and 6xx IDs are Core/Core 2 >>> >>> For now, I've left the current model_fxx and socket_*60*, so nothing >>> breaks, but IMO the socket_603/604 I've added should be made to work. >>> >>> Both patches Signed-off-by: Corey Osgood <[EMAIL PROTECTED]> >>> >>> >> Hmm looks good. Should we add a quick note to each file to what >> processor it belongs too? I think that would save developers time from >> having to look it up when writing code for a new board? What do you >> think? >> >> >> Thanks - Joe >> >> > Do you mean the microcode files? If so, the microcode update looks like > this: > > Header > Update Revision > Date > Processor Signature (CPU ID) > ... > > So, the 4th entry in the update is always the CPU ID, and conveniently > it's always the last one on the first line. It also makes grepping for > them very easy, once you have the update broken down into smaller files. > This is documented *somewhere* in LB, but I can't find it at the moment. > It's also in the Intel architecture manual, volume 3a, table 9-6. > > In the past we labeled some CPU IDs as to what CPUs they belonged to. In > truth, Intel uses the same CPU IDs for a variety of CPUs, for instance > in some cases Celeron, Pentium X, and Xeons all share a common ID, since > the core is still the same. So we can't really do that any more ;) > > -Corey > Oh ok, that makes sense.
Acked-by: Joseph Smith <[EMAIL PROTECTED]> Thanks - Joe -- linuxbios mailing list linuxbios@linuxbios.org http://www.linuxbios.org/mailman/listinfo/linuxbios
