From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E8FB6C27C7A for ; Thu, 17 Aug 2023 09:45:14 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 6404183A5A; Thu, 17 Aug 2023 09:45:14 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org 6404183A5A X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id b2OJbqZuV9AC; Thu, 17 Aug 2023 09:45:13 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by smtp1.osuosl.org (Postfix) with ESMTP id A552680E9F; Thu, 17 Aug 2023 09:45:12 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org A552680E9F Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by ash.osuosl.org (Postfix) with ESMTP id 577EB1BF215 for ; Thu, 17 Aug 2023 09:45:10 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 045274181D for ; Thu, 17 Aug 2023 09:45:10 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org 045274181D X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1iTye9REVEO0 for ; Thu, 17 Aug 2023 09:45:09 +0000 (UTC) Received: from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net [217.70.183.199]) by smtp2.osuosl.org (Postfix) with ESMTPS id D697841815 for ; Thu, 17 Aug 2023 09:45:08 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org D697841815 Received: by mail.gandi.net (Postfix) with ESMTPSA id 061D4FF809; Thu, 17 Aug 2023 09:45:04 +0000 (UTC) Date: Thu, 17 Aug 2023 11:45:04 +0200 To: yann.morin@orange.com Message-ID: <20230817114504.58473b4e@windsurf> In-Reply-To: References: <20230816092439.570839-1-jamie.gibbons@microchip.com> <20230816092439.570839-2-jamie.gibbons@microchip.com> <20230816142316.76d45449@windsurf> <20230816150442.GB1340200@scaer> <20230817094015.5324e023@windsurf> Organization: Bootlin X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; x86_64-redhat-linux-gnu) MIME-Version: 1.0 X-GND-Sasl: thomas.petazzoni@bootlin.com X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1692265506; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=flYIlRKSX/Ifg1cLKUWHSxdQeiKHHjKumgA98UBPls8=; b=VrmQHjrjOiPpLcNF5/Ar6XXgiu7UftLKII2L66Layk6UfqqrLnQoE4W117d6k1pyyXDTbE M1oNtzfOupaGo2LM7Ml1BrR+RGvB0Klfy2QtbHrugsk1Dof6ZSF+S6xweXmPtHYRc/LD+J 0Y4eu+lxUgmieas5Gl6zXWdZPNnD/XgrbwMtDYYTzzGlKtBzpygXFHzSjGObJ1i3cNuLuK SLsP6A8vzHCiXP/Yw/cYD499ORG4KXBYIBDMzSlG2smWJwNDk+FLvYjvFzM7O253y2SCfX Bz/rI1BJyPZcv5jc0t5QvW2OCvR8L6Al48Wr2nnZ4vKEMoAsTmsKD4EVfE2vSw== X-Mailman-Original-Authentication-Results: smtp2.osuosl.org; dkim=pass (2048-bit key, unprotected) header.d=bootlin.com header.i=@bootlin.com header.a=rsa-sha256 header.s=gm1 header.b=VrmQHjrj Subject: Re: [Buildroot] [PATCH v2 1/3] arch/Config.in.riscv: update instruction set ext X-BeenThere: buildroot@buildroot.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion and development of buildroot List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Thomas Petazzoni via buildroot Reply-To: Thomas Petazzoni Cc: Ludovic Desroches , Nicolas Ferre , Conor Dooley , buildroot@buildroot.org, Valentina Fernandez Alanis , Jamie Gibbons , "Yann E. MORIN" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: buildroot-bounces@buildroot.org Sender: "buildroot" Hello, On Thu, 17 Aug 2023 10:27:22 +0200 yann.morin@orange.com wrote: > With the change Yann@home suggests, it makes it obvious and visible that > generic forces IMAFD, without having to guess (or look at generic's help > to see what symbols it selects). Ah, I see what you propose. Yes, it also makes sense. > However, why do we want to expose those extra sets (C, V) to be optional > for generic? Isn't that really in fact just defining a custom silicon, > which is the reason we have a "custom" choice to begin with? > > Or do we want to interpret "generic" as "base", e.g. "base that is able > to run a Linux system without too much hurdle, anything else less > featured will not cope very well at build or runtime, or may restrict > the set of packages you may enable; you may enable further extensions" ? That was my idea indeed. To me "G" is a shortcut for IMAFD, but potentially you can have extra extensions as well. > Note that G is anyway a superset of IMAFD, as it also contains the Zicsr > and Zifencei extensions. In Buildroot, as for the I set, we expect those > two extensions to always be available (see arch/arch.mk.riscv@33 and > commit d479264b34f2). Agreed. Thomas -- Thomas Petazzoni, co-owner and CEO, Bootlin Embedded Linux and Kernel engineering and training https://bootlin.com _______________________________________________ buildroot mailing list buildroot@buildroot.org https://lists.buildroot.org/mailman/listinfo/buildroot