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Path: ...!3.eu.feeder.erje.net!feeder.erje.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Lawrence D'Oliveiro <ldo@nz.invalid> Newsgroups: comp.arch Subject: Re: Privilege Levels Below User Date: Wed, 12 Jun 2024 02:50:24 -0000 (UTC) Organization: A noiseless patient Spider Lines: 26 Message-ID: <v4b2dg$1evff$7@dont-email.me> References: <jai66jd4ih4ejmek0abnl4gvg5td4obsqg@4ax.com> <Z9I8O.13$2JEf.11@fx14.iad> <5h%8O.4327$wDZ.776@fx48.iad> <1316e4baa439de908666e38c39cd8c79@www.novabbs.org> <ywE9O.33$46t.1@fx46.iad> <2024Jun10.172351@mips.complang.tuwien.ac.at> <v48i8p$sc37$7@dont-email.me> <fQY9O.304090$1BTf.261375@fx08.iad> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Wed, 12 Jun 2024 04:50:24 +0200 (CEST) Injection-Info: dont-email.me; posting-host="114c653c06754bac2979cba4b47e2f9e"; logging-data="1539567"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18ix1PE73PQVd/xpc52iyO9" User-Agent: Pan/0.158 (Avdiivka; ) Cancel-Lock: sha1:9VlrPcEgDgoxDX/SEQQCaXxLBSI= Bytes: 2186 On Tue, 11 Jun 2024 14:04:59 GMT, Scott Lurndal wrote: > Lawrence D'Oliveiro <ldo@nz.invalid> writes: > >>On Mon, 10 Jun 2024 15:23:51 GMT, Anton Ertl wrote: >> >>> Given that ARM is able to charge an architecture licensing fee for the >>> instruction set alone ... >> >>I think that applies to newer versions, not the older ones. Given that >>ARM goes back to the 1980s, any patents from the earliest years would >>have expired by now. > > It has nothing to do with patents. > > The architecture license provides far more than the ability to implement > the arm instruction set. BTDT. IANAL, but there are four kinds of “intellectual property”: copyrights, patents, trademarks and trade secrets. If you were incorporating logic components developed by ARM, then licensing those might be covered by copyrights and trade secrets. But if you’re a company like Apple, which designs and builds its own chips, then they need neither of those things.