From patchwork Sun Apr 7 08:17:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 13620057 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 EE0B8CD128A for ; Sun, 7 Apr 2024 08:21:56 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rtNl0-0004GO-06; Sun, 07 Apr 2024 04:20:06 -0400 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 1rtNkt-0004Cz-1H; Sun, 07 Apr 2024 04:19:59 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rtNkr-000215-0D; Sun, 07 Apr 2024 04:19:58 -0400 Received: from mail.maildlp.com (unknown [172.19.163.17]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4VC4nq0j9Bz29dNV; Sun, 7 Apr 2024 16:17:03 +0800 (CST) Received: from kwepemi500008.china.huawei.com (unknown [7.221.188.139]) by mail.maildlp.com (Postfix) with ESMTPS id 436F01A0188; Sun, 7 Apr 2024 16:19:52 +0800 (CST) Received: from huawei.com (10.67.174.55) by kwepemi500008.china.huawei.com (7.221.188.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Sun, 7 Apr 2024 16:19:51 +0800 To: , , , , , , , CC: Subject: [PATCH v13 07/24] target/arm: Add support for NMI in arm_phys_excp_target_el() Date: Sun, 7 Apr 2024 08:17:16 +0000 Message-ID: <20240407081733.3231820-8-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240407081733.3231820-1-ruanjinjie@huawei.com> References: <20240407081733.3231820-1-ruanjinjie@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.174.55] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To kwepemi500008.china.huawei.com (7.221.188.139) Received-SPF: pass client-ip=45.249.212.190; envelope-from=ruanjinjie@huawei.com; helo=szxga04-in.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 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, 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Jinjie Ruan X-Patchwork-Original-From: Jinjie Ruan via From: Jinjie Ruan Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org According to Arm GIC section 4.6.3 Interrupt superpriority, the interrupt with superpriority is always IRQ, never FIQ, so handle NMI same as IRQ in arm_phys_excp_target_el(). Signed-off-by: Jinjie Ruan Reviewed-by: Richard Henderson Reviewed-by: Peter Maydell --- v13: - Add Reviewed-by. v4: - Add Reviewed-by. v3: - Remove nmi_is_irq flag in CPUARMState. - Handle NMI same as IRQ in arm_phys_excp_target_el(). --- target/arm/helper.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/arm/helper.c b/target/arm/helper.c index b82792f251..d9814433e1 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -10759,6 +10759,7 @@ uint32_t arm_phys_excp_target_el(CPUState *cs, uint32_t excp_idx, hcr_el2 = arm_hcr_el2_eff(env); switch (excp_idx) { case EXCP_IRQ: + case EXCP_NMI: scr = ((env->cp15.scr_el3 & SCR_IRQ) == SCR_IRQ); hcr = hcr_el2 & HCR_IMO; break;