From nobody Tue Nov 26 10:55:11 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1708529162; cv=none; d=zohomail.com; s=zohoarc; b=DZCLQqPx38uRtocXd+Akbpxd+OApsl+6R1uqBvsBlk1fpupnYDBTx7YEKrEN0Y2emeVyqX/PTKKfJ2RTlVSbKwEyNrXjoBSbK5Zk5pwllYUmFb/Bh9PaqC10lpW04XN4Q0he67TCzYYyzzlj7jkJKhQavzMCXbyVEh0dqNQSuW8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1708529162; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:Reply-To:References:Sender:Subject:Subject:To:To:Message-Id; bh=eUfnPzbFkfuOK9qmzLKlfwA+htUNg8M5C4DrESHXj7Q=; b=X5zkvRp6MKXHN0FIQHWDPfnMuPiB5C4ctJdN089MlWp2ixYA/f0MJ8A1tQDd7o6hxKgSJ0X74EV4GfdPoHn4JD3hRcjrcEvMrTmw1xmLC2zoqeL8KiTsiljT4F1pgwCaeXRR5oGxH5shfJJfMvfJbR9PbJz7Nr0TPo5hLp1jlzA= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1708529162551620.907081465411; Wed, 21 Feb 2024 07:26:02 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rcoNM-0006GX-2O; Wed, 21 Feb 2024 10:19:12 -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 1rcoJo-0000nB-Lg; Wed, 21 Feb 2024 10:15:32 -0500 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 1rcmLz-0004q3-4m; Wed, 21 Feb 2024 08:09:40 -0500 Received: from mail.maildlp.com (unknown [172.19.163.174]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4TfxQ62YsJzvVrj; Wed, 21 Feb 2024 21:07:26 +0800 (CST) Received: from kwepemi500008.china.huawei.com (unknown [7.221.188.139]) by mail.maildlp.com (Postfix) with ESMTPS id D802D1404DB; Wed, 21 Feb 2024 21:09:28 +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_128_GCM_SHA256) id 15.1.2507.35; Wed, 21 Feb 2024 21:09:28 +0800 To: , , , , , , CC: Subject: [RFC PATCH v2 08/22] target/arm: Handle IS/FS in ISR_EL1 for NMI Date: Wed, 21 Feb 2024 13:08:09 +0000 Message-ID: <20240221130823.677762-9-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240221130823.677762-1-ruanjinjie@huawei.com> References: <20240221130823.677762-1-ruanjinjie@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.67.174.55] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To kwepemi500008.china.huawei.com (7.221.188.139) Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; 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, T_SCC_BODY_TEXT_LINE=-0.01 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 From: Jinjie Ruan via Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1708529163671100005 Content-Type: text/plain; charset="utf-8" Add IS and FS bit in ISR_EL1 and handle the read according to whether the NMI is IRQ or FIQ. Signed-off-by: Jinjie Ruan --- target/arm/cpu.h | 2 ++ target/arm/helper.c | 9 +++++++++ 2 files changed, 11 insertions(+) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index 051e589e19..e2d07e3312 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -1476,6 +1476,8 @@ FIELD(CPTR_EL3, TCPAC, 31, 1) #define CPSR_N (1U << 31) #define CPSR_NZCV (CPSR_N | CPSR_Z | CPSR_C | CPSR_V) #define CPSR_AIF (CPSR_A | CPSR_I | CPSR_F) +#define ISR_FS (1U << 9) +#define ISR_IS (1U << 10) =20 #define CPSR_IT (CPSR_IT_0_1 | CPSR_IT_2_7) #define CACHED_CPSR_BITS (CPSR_T | CPSR_AIF | CPSR_GE | CPSR_IT | CPSR_Q \ diff --git a/target/arm/helper.c b/target/arm/helper.c index 0bd7a87e51..62c8e5d611 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -2022,6 +2022,10 @@ static uint64_t isr_read(CPUARMState *env, const ARM= CPRegInfo *ri) if (cs->interrupt_request & CPU_INTERRUPT_HARD) { ret |=3D CPSR_I; } + + if ((cs->interrupt_request & CPU_INTERRUPT_NMI) && env->nmi_is_irq= ) { + ret |=3D ISR_IS; + } } =20 if (hcr_el2 & HCR_FMO) { @@ -2032,6 +2036,11 @@ static uint64_t isr_read(CPUARMState *env, const ARM= CPRegInfo *ri) if (cs->interrupt_request & CPU_INTERRUPT_FIQ) { ret |=3D CPSR_F; } + + if ((cs->interrupt_request & CPU_INTERRUPT_NMI) && + (!env->nmi_is_irq)) { + ret |=3D ISR_FS; + } } =20 if (hcr_el2 & HCR_AMO) { --=20 2.34.1