From patchwork Sun Apr 7 08:17:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 13620063 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 107C6CD128A for ; Sun, 7 Apr 2024 08:22:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rtNlO-0004eX-PE; Sun, 07 Apr 2024 04:20:30 -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 1rtNl7-0004KT-Rg; Sun, 07 Apr 2024 04:20:15 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rtNl1-0002D6-2s; Sun, 07 Apr 2024 04:20:09 -0400 Received: from mail.maildlp.com (unknown [172.19.88.194]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4VC4nx5fnCzwRRs; Sun, 7 Apr 2024 16:17:09 +0800 (CST) Received: from kwepemi500008.china.huawei.com (unknown [7.221.188.139]) by mail.maildlp.com (Postfix) with ESMTPS id DCAFF1402C7; Sun, 7 Apr 2024 16:20:01 +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 16:20:01 +0800 To: , , , , , , , CC: Subject: [PATCH v13 12/24] target/arm: Handle NMI in arm_cpu_do_interrupt_aarch64() Date: Sun, 7 Apr 2024 08:17:21 +0000 Message-ID: <20240407081733.3231820-13-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=45.249.212.187; envelope-from=ruanjinjie@huawei.com; helo=szxga01-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, 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 the NMI exception trap entry behave like IRQ. And VINMI(vIRQ with Superpriority) can be raised from the GIC or come from the hcrx_el2.HCRX_VINMI bit, VFNMI(vFIQ with Superpriority) come from the hcrx_el2.HCRX_VFNMI bit. Signed-off-by: Jinjie Ruan Reviewed-by: Richard Henderson Reviewed-by: Peter Maydell --- v13: - Add Reviewed-by. v9: - Update the commit message. - Handle VINMI and VFNMI. v7: - Add Reviewed-by. v6: - Not combine VFNMI with CPU_INTERRUPT_VNMI. v4: - Also handle VNMI in arm_cpu_do_interrupt_aarch64(). v3: - Remove the FIQ NMI handle. --- target/arm/helper.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/target/arm/helper.c b/target/arm/helper.c index 65f2ddfa56..0455f20ccc 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -11649,10 +11649,13 @@ static void arm_cpu_do_interrupt_aarch64(CPUState *cs) break; case EXCP_IRQ: case EXCP_VIRQ: + case EXCP_NMI: + case EXCP_VINMI: addr += 0x80; break; case EXCP_FIQ: case EXCP_VFIQ: + case EXCP_VFNMI: addr += 0x100; break; case EXCP_VSERR: