-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 01/09/2017 11:10 AM, ron minnich wrote: > well, my flippant answer is also I think the right one: I don't see a > way to build a system I'd trust based on x86 or ARM CPUs any more, and > that's why I'm putting all my work into riscv. RISCV is not real, yet, > but it's getting there, and the x86 situation has only gotten worse, not > better, in the last dozen years :-( > > For reasons I don't quite understand, ARM Inc. has decided the x86 model > is the right one for ARM v8, and are diving into the UEFI/ACPII tarpit > just as deep as they can. I don't understand their thinking. > > I don't expect any of this to change; I expect it to get worse. And > riscv is no guarantee, either: there are some things built into that > architecture that can support vendor mischief, the main one being the > requirement to do BIOS calls to do trivial operations, such as enable > and reset timer interrupts, or find out your core id. Further, vendors > like Red Hat are pushing hard for UEFI and I assume ACPI as the RISCV > standard, for reasons I still don't understand. But it ought to be > possible to build RISCV systems that are much more trustworthy than the > x86/ARM systems. > > ron >
POWER systems are also a good option for when RISC-V just won't get the job done (e.g. any kind of development work). The POWER8 SBE and microcode are now open source, and POWER9 will be even more transparent. - -- Timothy Pearson Raptor Engineering +1 (415) 727-8645 (direct line) +1 (512) 690-0200 (switchboard) https://www.raptorengineering.com -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQEcBAEBAgAGBQJYc8dIAAoJEK+E3vEXDOFbApcIAIyUHseNPMtjbV4+bJGn7UGY l2K1jHSchfKGrIfOQhY7i4xoWY8MLfS+KW2hOf+9mTnZjuhaPEEjA+fRAXxIwCyL 8bAlFhvkkzI0Mh5YNSEKGp7VdqmGyldGeAF4+sfD0ktf+54Fqqv/N+/d/ExsDBSa Ur2M5jQ/VAIsBFCKUzjyW3KC06Y9GdGi922jcuDfTirvOtpHZ0iYtYbb8upDLoGr HoB/suuI53GDO0SPqSOG41T6oA00GVLQQH29ltyow5p7xH3QNBqgvJ0P9MfLO6k8 aeXsflnl8/oV3eMbX+hC35RZaIiQHO0GqcydXRbbHaS92nH0IDmibbKowJnyevg= =NF6Z -----END PGP SIGNATURE----- -- coreboot mailing list: [email protected] https://www.coreboot.org/mailman/listinfo/coreboot
