From 68e613bb8a6d1f65daac493405cc5e4011e52a66 Mon Sep 17 00:00:00 2001 From: lkcl Date: Thu, 5 May 2022 16:14:11 +0100 Subject: [PATCH] --- openpower/sv/SimpleV_rationale.mdwn | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/openpower/sv/SimpleV_rationale.mdwn b/openpower/sv/SimpleV_rationale.mdwn index 13673403d..cf6851669 100644 --- a/openpower/sv/SimpleV_rationale.mdwn +++ b/openpower/sv/SimpleV_rationale.mdwn @@ -75,9 +75,11 @@ compiler support, and even longer to get the software ecosystem up and running. Which ISAs, therefore, have or have had, at one point in time, a decent Software -Ecosystem? +Ecosystem? Debian supports most of these including s390: * SPARC, created by Sun Microsystems and all but abandoned by Oracle. + Gaisler Research maintains the LEON Open Source Cores but with Oracle's + reputation nobody wants to go near SPARC. * MIPS, created by SGI and only really commonly used in Network switches. Exceptions: Ingenic with embedded CPUs, and China ICT with the Loongson supercomputers. @@ -104,5 +106,12 @@ Ecosystem? multi-billion-unit mass volume markets that almost nobody knows anything about. Included for completeness. +In order of least controlled to most controlled, the viable +candidates for further advancement are: - +* OpenRISC 1200, not controlled or restricted by anyone. no patent + protection. +* RISC-V, touted as "Open" but actually strictly controlled under + Trademark License: too new to have adequate patent pool protection, + as evidenced by multiple adopters having been hit by patent lawsuits. +* -- 2.30.2