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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 8D7C5FCC04D for ; Fri, 6 Mar 2026 18:06:05 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vyZYo-0003qD-3k; Fri, 06 Mar 2026 13:06:02 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vyZYm-0003pu-EI; Fri, 06 Mar 2026 13:06:00 -0500 Received: from frasgout.his.huawei.com ([185.176.79.56]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vyZYj-0000i1-NA; Fri, 06 Mar 2026 13:05:59 -0500 Received: from mail.maildlp.com (unknown [172.18.224.83]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4fSDnx6485zHnGhp; Sat, 7 Mar 2026 02:04:53 +0800 (CST) Received: from dubpeml500005.china.huawei.com (unknown [7.214.145.207]) by mail.maildlp.com (Postfix) with ESMTPS id EEE3B40086; Sat, 7 Mar 2026 02:05:53 +0800 (CST) Received: from localhost (10.48.149.21) by dubpeml500005.china.huawei.com (7.214.145.207) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Fri, 6 Mar 2026 18:05:53 +0000 Date: Fri, 6 Mar 2026 18:05:52 +0000 To: Peter Maydell CC: , Subject: Re: [PATCH 18/65] target/arm: GICv5 cpuif: Implement the GIC CDPRI instruction Message-ID: <20260306180552.0000454d@huawei.com> In-Reply-To: <20260223170212.441276-19-peter.maydell@linaro.org> References: <20260223170212.441276-1-peter.maydell@linaro.org> <20260223170212.441276-19-peter.maydell@linaro.org> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.48.149.21] X-ClientProxiedBy: lhrpeml500011.china.huawei.com (7.191.174.215) To dubpeml500005.china.huawei.com (7.214.145.207) Received-SPF: pass client-ip=185.176.79.56; envelope-from=jonathan.cameron@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.411, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.679, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Jonathan Cameron From: Jonathan Cameron via Errors-To: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Sender: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org On Mon, 23 Feb 2026 17:01:25 +0000 Peter Maydell wrote: > Implement the CPU interface GIC CDPRI instruction, which is a wrapper > around the SetPriority operation. > > As with the barrier insns, we omit for the moment details which are > needed when the GICv5 supports virtualization: > > * traps when legacy GICv3 emulation is enabled > * fine-grained-trap handling (which is done via > registers that are new in GICv5) > * sending the command for the virtual interrupt domain > when inside a guest > > The CD instructions operate on the Current Physical Interrupt Domain, > which is the one associated with the current security state and > exception level. The spec also has the concept of a Logical > Interrupt Domain, which is the one associated with the security state > defined by SCR_EL3.{NS,NSE}. Mostly the logical interrupt domain is > used by the LD instructions, which are EL3-only; but we will also > want the concept later for handling some banked registers, so we > define functions for both. > > Signed-off-by: Peter Maydell Reviewed-by: Jonathan Cameron 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 3BBB5FCC04D for ; Fri, 6 Mar 2026 18:06:41 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vyZYp-0003ue-Rv; Fri, 06 Mar 2026 13:06:03 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vyZYm-0003pu-EI; Fri, 06 Mar 2026 13:06:00 -0500 Received: from frasgout.his.huawei.com ([185.176.79.56]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vyZYj-0000i1-NA; Fri, 06 Mar 2026 13:05:59 -0500 Received: from mail.maildlp.com (unknown [172.18.224.83]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4fSDnx6485zHnGhp; Sat, 7 Mar 2026 02:04:53 +0800 (CST) Received: from dubpeml500005.china.huawei.com (unknown [7.214.145.207]) by mail.maildlp.com (Postfix) with ESMTPS id EEE3B40086; Sat, 7 Mar 2026 02:05:53 +0800 (CST) Received: from localhost (10.48.149.21) by dubpeml500005.china.huawei.com (7.214.145.207) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Fri, 6 Mar 2026 18:05:53 +0000 Date: Fri, 6 Mar 2026 18:05:52 +0000 To: Peter Maydell CC: , Subject: Re: [PATCH 18/65] target/arm: GICv5 cpuif: Implement the GIC CDPRI instruction Message-ID: <20260306180552.0000454d@huawei.com> In-Reply-To: <20260223170212.441276-19-peter.maydell@linaro.org> References: <20260223170212.441276-1-peter.maydell@linaro.org> <20260223170212.441276-19-peter.maydell@linaro.org> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.48.149.21] X-ClientProxiedBy: lhrpeml500011.china.huawei.com (7.191.174.215) To dubpeml500005.china.huawei.com (7.214.145.207) Received-SPF: pass client-ip=185.176.79.56; envelope-from=jonathan.cameron@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.411, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.679, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Jonathan Cameron From: Jonathan Cameron via qemu development Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Mon, 23 Feb 2026 17:01:25 +0000 Peter Maydell wrote: > Implement the CPU interface GIC CDPRI instruction, which is a wrapper > around the SetPriority operation. > > As with the barrier insns, we omit for the moment details which are > needed when the GICv5 supports virtualization: > > * traps when legacy GICv3 emulation is enabled > * fine-grained-trap handling (which is done via > registers that are new in GICv5) > * sending the command for the virtual interrupt domain > when inside a guest > > The CD instructions operate on the Current Physical Interrupt Domain, > which is the one associated with the current security state and > exception level. The spec also has the concept of a Logical > Interrupt Domain, which is the one associated with the security state > defined by SCR_EL3.{NS,NSE}. Mostly the logical interrupt domain is > used by the LD instructions, which are EL3-only; but we will also > want the concept later for handling some banked registers, so we > define functions for both. > > Signed-off-by: Peter Maydell Reviewed-by: Jonathan Cameron