On Mon, Mar 10, 2014 at 5:32 PM, ron minnich <rminn...@gmail.com> wrote: > I'm *pretty* *sure* that you can use the PATs as an alternative to MTRRs. I > am going to dig a bit. It would sure make our life easier if we could live > without all this MTRR fuss. We keep having to tweak the code and it's never > been fun. > > And I like the idea of write-protecting coreboot code.
In Intel manuals, there's a table named "Effective Page-Level Memory Types for Pentium III and More Recent Processor Families." There's a table that lists the combination of PAT and MTRR. It's not a an alternative. It describes how those settings interact. Anyway, depending on what exactly you want to solve there may be other solutions to your problem. -Aaron -- coreboot mailing list: coreboot@coreboot.org http://www.coreboot.org/mailman/listinfo/coreboot
