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 X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 83AD3C433E0 for ; Wed, 20 Jan 2021 11:38:57 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 416BA23331 for ; Wed, 20 Jan 2021 11:38:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 416BA23331 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=caramail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:To:Date:Message-Id:Subject:Mime-Version:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=43mxkF7By7VzSCYPb/ln8xDtgy6hmu+u4h8RVVupWPw=; b=AxQ0bL85pD6Or36+lvx8vRYqCX 4Nb2Fgo6DZkZx8gZUUNJ9UvHlpdrApU5g2ISfInp16kOTYd6UKfI7vWWrCqAB5sAQIL3D9xzC99UH OZxlukJteGmS7OkPAavp5C9xlvZckUUuw9RxLllTqD8VEgirbgxN7J6pa9gnQYIMS4oMxBD39iq0l 6JZSuS6EBpXBAFnSt/uHlI2s27lBm6heEgoHKZbkSADDY4/iL9eKvRB1gXNPgT0/wrCQr4gC2sgEp cLL+XiC6u/7hgDDfDe8rwca7Y5n9BCZj1YpzM/6zXN51c0ilp682mohzieVpGYVkbXyqQgXl2HQkP 7UjAattQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l2BnN-00038h-A1; Wed, 20 Jan 2021 11:37:05 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l2BnJ-00037R-O8 for linux-arm-kernel@merlin.infradead.org; Wed, 20 Jan 2021 11:37:01 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=To:Cc:Date:Message-Id:Subject: Mime-Version:Content-Transfer-Encoding:Content-Type:From:Sender:Reply-To: Content-ID:Content-Description:In-Reply-To:References; bh=yGcN4lMVYhGQKKPdGytSATQwJzGsKnTUhzspMFb+hWg=; b=BDcsqmCcVzvO0ccAy9uikPlUIV TfyqJHZVPSF7CjPSwpXo+93zuaBnlkSIZi8msdudM53MdDZ+nsl56oQ3K1aXtpz7FMsF1+P3nZd8Y E47hrfh4mE2/QpRcX+lS9ZwJV1f04FpT67evnLW3nDckfpbx42AwUi66o4ooJ3Mv8CFHKd7f+A1LY Ysjgb5ruWeFRK6sv7uyAcGTEynXLE1DqIiiR37YYbi9aAolcLkdErSaCkIxaMiE4cn04Ed2mn1JxN 0MJMa2fTfbVVuuprDhuDP3DMLa/4PMOLlmrK0uG5S4jFxnAVFECsP4N4BXG/Qq17Z4Za8HjZEyWlF vJHly05g==; Received: from mout.gmx.net ([212.227.17.21]) by casper.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1l2BnG-00FbUJ-VA for linux-arm-kernel@lists.infradead.org; Wed, 20 Jan 2021 11:36:59 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1611142605; bh=aVET+wz+kjusraCq29ri48PapN98Xe4kIWgZypXqinI=; h=X-UI-Sender-Class:From:Subject:Date:Cc:To; b=KI/45I/mS+fQeNcG0F9vvcYqiUOzAsK96hgWYLOK3NaAdAd2d+0t0br3qq6+BmCec UDoTgQgBXoDrcPawRi1KFfjTVxFfgKZlmVkFGjZukZ/Zc9mR5VzT75cZIYQXJSwN7W zCQtcIq+5b22NP+LKeulymGUJLn1UXzBTy7OT2vU= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [10.42.0.78] ([83.204.192.78]) by mail.gmx.net (mrgmx104 [212.227.17.174]) with ESMTPSA (Nemesis) id 1Mj8qj-1lhHAm2suz-00fFKD; Wed, 20 Jan 2021 12:36:45 +0100 From: Mohamed Mediouni Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.60.0.2.5\)) Subject: [PATCH 0/3] Preparations for Linux on Apple Silicon Message-Id: <70D1FB71-240D-4FC4-81BC-0954062A4D11@caramail.com> Date: Wed, 20 Jan 2021 12:36:42 +0100 To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-Mailer: Apple Mail (2.3654.60.0.2.5) X-Provags-ID: V03:K1:0ZbjSfBHge3wfOs5O8Uj0W1dOQ4a0QrcA0NmJEtRctMYxWd9TqK 0eO0jD/QUMHnjcNngoCoSY0ClG+KWdc3jcO2OuXbSZMnCtr9Bw2xqzWs3EStX9fMP2Dwa1I j1ZAOd2zEDjOIGqzWfypcHP5tkCuOqDSnN1lWSj1lyfTQP65tp3dHhN16oyT74V9gASSlXP fUFwJCj+8twAxk2U30FyQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:zXztcCdzYNA=:3y0w6GKGCG8LecEyvqkO4N 8eqOpMtU/lJRa0tCAqzZCW4dFno82geYqZKJkZW6fMDjg8h5M2y+jJ36ByyIE3wRh+xlzf/54 Id0+8W76UzVDZag5jltjTlRW/Xc3fVxQMPFG5frHvn7i3xj6EBOZBlNUvmBTDZzFt2GKBGIOG G62sdKT0GRpuDXesZs2iCemr+EjrNlJm8PT4iQhCWj2fTvOPfKBzfKopyS0xeoWRCQHaGRZRj rQK6W9BN5vVm7Vy9mZLYb8RyE2uaswWb219AMDDrncCCtTkRq9q6SnKdI1mGvDAlaQEqzAp3v fi/S/3q1glcHTeg2DKhCw9VNpn+B5pLtq+5KXO+LN5QUoEvJU5auJAQcIYOv85iBlmVGbRuk+ caVEqc3sT6h5l1SBtp4HLolkOCHhpaWuWYn0wCwezknuWm4ZomKFvh/p++CnvzzIe/TgO0AOc a0u3C+I3lnd7KCWn14PP3/baVBjnm2qoQgy/4eFqj/Ce8NK0UzVdIOrYI0+ePJWzaaeymx0EK 54Lck4dNHiRhyP82e8mJLiGWP21HJ7m960/S/UPp55GCDrKyl/ScKfYeq5ZbIkT3lJLKOx532 j4iMTlBXMehPQm10jjpXF9JQz+FjjgGEvUFJVk5aLfiQnnzC7BZ/0PxnaOwbvNUDEUPGtpmD0 KgJGqj+fInpMv84/cJZRQSVn6K0FYq2OLC0Ji5xVZFt5wlVZLIIxM1KZS+iN12DYpzjNG3cY9 bIlS/trs+BQA4N2ph2fMQxlz5dEKOce+Y79CxCRheIRCMvtqHPRyDnvjZRqHbquZ0++sIi2un zsL5ByHmBdYk8gmrMV+rTXDX1xiTKrAe5dUx+ZXqxvS08Tw1aApNw2mL7imrxiDaK42en66LO 3Q8gXYTtMHnLRYW4Tt64IkqB25zntHU6gdyUKQgQQ= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210120_113659_398411_7CDE1ED7 X-CRM114-Status: UNSURE ( 9.42 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Catalin Marinas , Will Deacon , Stan Skowronek Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This patch series contains the changes to common Linux kernel code that are required to boot Linux on Apple Silicon Mac computers. The changes: - Support for FIQ interrupts in-kernel This is required for the timer and IPIs on Apple SoCs. - WFI hook Apple processors do not keep register state across WFI. As such, put a mechanism in cpu_ops to put a custom sleep function instead. - use nGnRnE instead of nGnRE on Apple processors Device-nGnRE writes go to nowhere on Apple processors, as such use MAIR to change those to Device-nGnRE writes. Mohamed Mediouni (1): arm64: mm: use nGnRnE instead of nGnRE on Apple processors Stan Skowronek (2): arm64/kernel: FIQ support arm64: kernel: Add a WFI hook. arch/arm64/include/asm/arch_gicv3.h | 2 +- arch/arm64/include/asm/assembler.h | 8 ++-- arch/arm64/include/asm/cpu_ops.h | 2 + arch/arm64/include/asm/daifflags.h | 4 +- arch/arm64/include/asm/irq.h | 4 ++ arch/arm64/include/asm/irqflags.h | 6 +-- arch/arm64/kernel/cpu_ops.c | 6 +++ arch/arm64/kernel/entry.S | 74 ++++++++++++++++++++++++++--- arch/arm64/kernel/irq.c | 14 ++++++ arch/arm64/kernel/process.c | 13 +++-- arch/arm64/mm/proc.S | 26 ++++++++++ 11 files changed, 140 insertions(+), 19 deletions(-) -- 2.29.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel