From: Luke Kenneth Casson Leighton Date: Thu, 26 Apr 2018 09:54:21 +0000 (+0100) Subject: start filling in X-Git-Tag: convert-csv-opcode-to-binary~5480 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=bf53bddf1b8bf7adb594f922d30e00499dcde6b8;p=libreriscv.git start filling in --- diff --git a/isa_conflict_resolution.mdwn b/isa_conflict_resolution.mdwn index bf036f649..3476b0567 100644 --- a/isa_conflict_resolution.mdwn +++ b/isa_conflict_resolution.mdwn @@ -245,7 +245,9 @@ that kept and coordinated architectural encodings (curated by the Free Software Foundation), was to quite simply make the mvendorid and marchid CSRs have WARL (writeable) characteristics. For instances where mvendorid and marchid are readable, that would be taken to be a Standards-mandatory -"declaration" that the architecture has *no* Custom Extensions. +"declaration" that the architecture has *no* Custom Extensions (and that +it conforms precisely to one and only one specific variant of the +RISC-V Specification). This incredibly simple non-invasive idea has some unique and distinct advantages over other proposals: