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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 6F84FCD1292 for ; Thu, 4 Apr 2024 07:37:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To: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=fRWRRwsN3neqTrzQFr5xpxgznzZuwdcVshnWO/vd7co=; b=ZvQ2IhTsNDA5Ub wIFJQuQ4jRMIg5oA9FLmYJzLmFDjWmK+szTlhbRABnj/XfzdQ+rkdC+Z0alJycJCgKEPIxVz+1NRM iEAElwvGjvOoHpt9Up9UWt0fx7nm2tBbZr/RBrJvOmPERdgoWgQX14b1TPckJBX8NlUjXkC116Xqu DV7bAOajxqjDGd8okwYE5Ht0+hvbaExXBTP0MbgCCAajVXkpyhmOLjZqJF1E+RDLwuqqMZP+8FLfh gTaAKLYU+9qSvtbFrzvU+aMaTtY9euBBBFbO+QN09KF2vhYBNokPtmGG62ifQ7pcI2CUCutPWllnx 4SP6HQzUFqO3BD9fclGQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rsHfL-00000001fBT-0SBG; Thu, 04 Apr 2024 07:37:43 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rsHfJ-00000001fAM-0wvn for linux-arm-kernel@lists.infradead.org; Thu, 04 Apr 2024 07:37:42 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id EAD841007; Thu, 4 Apr 2024 00:38:05 -0700 (PDT) Received: from a077893.arm.com (unknown [10.163.56.72]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 8487C3F64C; Thu, 4 Apr 2024 00:37:33 -0700 (PDT) From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org, mark.rutland@arm.com Cc: Anshuman Khandual Subject: [bootwrapper PATCH 0/2] aarch64: Prepare EL3 for MDSELR_EL1 Date: Thu, 4 Apr 2024 13:07:24 +0530 Message-Id: <20240404073726.947215-1-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240404_003741_342785_55CD3881 X-CRM114-Status: UNSURE ( 4.88 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 MDSELR_EL1 register will be used to configure breakpoint and watchpoint register banks when FEAT_Debugv8p9 is enabled. This series prepares EL3 for MDSELR_EL1 access traps into EL3, and into EL2 via new Fine Grained Traps Enable 2 (FEAT_FGT2) registers. Anshuman Khandual (2): aarch64: Disable trapping into EL3 while accessing MDSELR_EL1 aarch64: Disable trapping into EL3 while accessing FEAT_FGT2 registers arch/aarch64/include/asm/cpu.h | 3 +++ arch/aarch64/init.c | 6 ++++++ 2 files changed, 9 insertions(+) -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel