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[2603:6081:7b00:6400:2fee:489d:8907:1a68]) by smtp.gmail.com with ESMTPSA id s1-20020a05687090c100b001e578de89cesm64792oab.37.2023.11.07.14.38.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Nov 2023 14:38:40 -0800 (PST) Date: Tue, 7 Nov 2023 17:38:37 -0500 From: Tom Rini To: Conor Dooley Cc: Rob Herring , Simon Glass , Andre Przywara , Heinrich Schuchardt , Rick Chen , Leo , Anup Patel , Xiang W , Chanho Park , Sughosh Ganu , u-boot@lists.denx.de, Peter Hoyes , Alexey Romanov , Ilias Apalodimas Subject: Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension Message-ID: <20231107223837.GU6601@bill-the-cat> References: <20231104171212.3d041a4f@slackpad.lan> <20231106172601.12c36750@donnerap.manchester.arm.com> <20231106204608.GJ496310@bill-the-cat> <20231107193025.GN6601@bill-the-cat> <20231107221023.GS6601@bill-the-cat> <20231107-flyaway-arguable-0bccc778b256@spud> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="FwfiM+0dy0tgfYEd" Content-Disposition: inline In-Reply-To: <20231107-flyaway-arguable-0bccc778b256@spud> X-Clacks-Overhead: GNU Terry Pratchett X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean --FwfiM+0dy0tgfYEd Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Nov 07, 2023 at 10:27:50PM +0000, Conor Dooley wrote: > On Tue, Nov 07, 2023 at 05:10:23PM -0500, Tom Rini wrote: >=20 >=20 > > further clarify or not > > the RISC-V ISA thing that's elsewhere in this thread (and part of the > > kernel, not a U-Boot thing). >=20 > TBH, this a bit fragmented across threads, and as someone that hasn't > been following it it's a bit difficult to tell exactly what is being > asked for. Would someone be able to ask it as a direct question? Sorry for being unclear, and thanks for asking. What I think the U-Boot community would like to know is, what is the device-tree based way to know if a RISC-V platform has the Zbb extensions and so the RNG opcodes, similar (in concept at least?) to the ARMv8.5 RNG feature. --=20 Tom --FwfiM+0dy0tgfYEd Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEEGjx/cOCPqxcHgJu/FHw5/5Y0tywFAmVKvG0ACgkQFHw5/5Y0 tyy84Av/R9dzL87JSCp10MOwtvcWUbpHIC46v4UkzjsJ5PNCqsoaldwr7l5D5HGc RWwtnhg9+JckVVuQfL0Ws/5gi66Ix/KT7XSyaUQycLqpDGwH7rC6XS+ldAWkFFAE pno0AqW/G8vIrPJp/3t5XYa8Oj2x/x7oAHcHUOiV56lL9J6vLmfKz/zWPevES/7P FoCS2EzqYCyvkYP8ZpMg5GoWtY1/fpAiT1xUBXsa18YKnKj9RkLx0BbkU78b5OIt T4+qn708C934Lav1C1bJ2ftM55NelhwasYynK7TpA6BEqLef0iJDB46vZJK3aXoD w/xcB1aKGcjA/BtsdXWJepRu/MQzzM3LLxc6l2QIQEvEPAjDQVqqBb+8xYnlqtpB z81cU37WxpaUAOUMfcc0JpelKY9+yjyH1hVOgraM6GrWALl4hxtNHSSycmF+OUC/ RLcbr96/EAnJjWweFD6mEplupAin0oOryciaRHfAZEf4PLjA0rkOdo4mdnUcGXBk KRsZ2B/L =xxK/ -----END PGP SIGNATURE----- --FwfiM+0dy0tgfYEd--