From nobody Thu Apr 18 22:40:57 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org ARC-Seal: i=1; a=rsa-sha256; t=1557836582; cv=none; d=zoho.com; s=zohoarc; b=FQzWyifxljxmX2ZUvWRgnwxQ3Tfv836i3OBGMJJIMNkq+z2c55YOwc6C1haEGRmV/6w2yD+Ppq8U9E5NGUXWsVEF63rfrqBUOh7qtY8ViMEa/QzYnklQfikHJ/6igdRa7UzUhYGKQzQg2x/rHFCM6lpcDJUQlOYBMMi1GO1owSM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1557836582; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=rKH6b2vJKj4RaNahOIvZ5cHDJ9vsSUsddb3fOXvecRA=; b=Dmbn8r+mFMxGZDBpX0fTf7QyfuFjtGFU8WPt+p/aS386xDFLqWXTfpRlRs+aNWJEibUKO2sBe5R3EuktKJ0RSu1SyajEVVirvuSaKSwfFTyuc5vC38Muq9AlLarLlGJ8bn4495jp19zM6l1MyUrbA+/nmgpcZVXzV7CHnWAppws= ARC-Authentication-Results: i=1; mx.zoho.com; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1557836582201550.8357361588104; Tue, 14 May 2019 05:23:02 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hQWRj-0000BL-4S; Tue, 14 May 2019 12:22:15 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hQWRh-00007X-3N for xen-devel@lists.xenproject.org; Tue, 14 May 2019 12:22:13 +0000 Received: from foss.arm.com (unknown [217.140.101.70]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTP id e6741eb8-7642-11e9-8980-bc764e045a96; Tue, 14 May 2019 12:22:11 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id A4EE315AB; Tue, 14 May 2019 05:22:11 -0700 (PDT) Received: from e108454-lin.cambridge.arm.com (e108454-lin.cambridge.arm.com [10.1.196.50]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 71D213F71E; Tue, 14 May 2019 05:22:10 -0700 (PDT) X-Inumbo-ID: e6741eb8-7642-11e9-8980-bc764e045a96 From: Julien Grall To: xen-devel@lists.xenproject.org Date: Tue, 14 May 2019 13:21:28 +0100 Message-Id: <20190514122136.28215-20-julien.grall@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20190514122136.28215-1-julien.grall@arm.com> References: <20190514122136.28215-1-julien.grall@arm.com> Subject: [Xen-devel] [PATCH MM-PART2 v2 11/19] xen/arm32: head: Don't set MAIR0 and MAIR1 X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Oleksandr_Tyshchenko@epam.com, Julien Grall , Stefano Stabellini , Andrii Anisov MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" The co-processor registers MAIR0 and MAIR1 are managed by EL1. So there are no need to initialize them during Xen boot. Signed-off-by: Julien Grall Reviewed-by: Andrii Anisov --- Changes in v2 - Add Andrii's reviewed-by --- xen/arch/arm/arm32/head.S | 2 -- 1 file changed, 2 deletions(-) diff --git a/xen/arch/arm/arm32/head.S b/xen/arch/arm/arm32/head.S index d42a13556c..3448817aab 100644 --- a/xen/arch/arm/arm32/head.S +++ b/xen/arch/arm/arm32/head.S @@ -212,8 +212,6 @@ cpu_init_done: /* Set up memory attribute type tables */ ldr r0, =3DMAIR0VAL ldr r1, =3DMAIR1VAL - mcr CP32(r0, MAIR0) - mcr CP32(r1, MAIR1) mcr CP32(r0, HMAIR0) mcr CP32(r1, HMAIR1) =20 --=20 2.11.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel