From nobody Tue Nov 26 11:43:44 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=1708684576; cv=none; d=zohomail.com; s=zohoarc; b=KK8wHo2Ff+jHPyec2y4mXvCaPwmOk8YqBA1RxMDApHe69Hj5+uJJuKuyInB1kpmpflMUwK/R4d72WtNeg1Wb4NrFN+z6lqH9BoX1amiVdUhNCm0BfT0jjrUXP7SNXqu4SxZEow7HuyZoKUOYrg6NKvOIoVANpwI8HkEkMHJjino= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1708684576; 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=eRsUkGa7Jvv79xD9g59IGAS3tdFCCgpcqm7xCLyO4I4=; b=fvgZE8NAblGip6tsqXR7fgxyevleonYVNt08JlZF5fqvqhv7BEzNMHFeJS9zvyKiJZnWHz2A9pYx2mVEu6oNwgf5y1vb/yMWLXFKfScv9J2Hli2E+vnCuh2XCKk4AfXRAmk/HiW1BfrDu29L1NrXC4rm3qDI+s4NnW60teUjV3w= 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 1708684576175888.2746063710538; Fri, 23 Feb 2024 02:36:16 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rdSt4-000462-40; Fri, 23 Feb 2024 05:34:38 -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 1rdSsY-0003eK-Oe; Fri, 23 Feb 2024 05:34:08 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rdSsP-0001wP-PO; Fri, 23 Feb 2024 05:34:06 -0500 Received: from mail.maildlp.com (unknown [172.19.88.234]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4Th5sJ2bZ3z1h05D; Fri, 23 Feb 2024 18:31:32 +0800 (CST) Received: from kwepemi500008.china.huawei.com (unknown [7.221.188.139]) by mail.maildlp.com (Postfix) with ESMTPS id C420F1400CC; Fri, 23 Feb 2024 18:33:42 +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; Fri, 23 Feb 2024 18:33:42 +0800 To: , , , , , , CC: Subject: [RFC PATCH v3 09/21] target/arm: Handle PSTATE.ALLINT on taking an exception Date: Fri, 23 Feb 2024 10:32:09 +0000 Message-ID: <20240223103221.1142518-10-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240223103221.1142518-1-ruanjinjie@huawei.com> References: <20240223103221.1142518-1-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=45.249.212.191; envelope-from=ruanjinjie@huawei.com; helo=szxga05-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_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: 1708684576446100003 Content-Type: text/plain; charset="utf-8" Set or clear PSTATE.ALLINT on taking an exception to ELx according to the SCTLR_ELx.SPINTMASK bit. Signed-off-by: Jinjie Ruan Reviewed-by: Richard Henderson --- v3: - Add Reviewed-by. --- target/arm/helper.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/target/arm/helper.c b/target/arm/helper.c index eb97ce0356..0a69638651 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -11532,6 +11532,15 @@ static void arm_cpu_do_interrupt_aarch64(CPUState = *cs) } } =20 + if (cpu_isar_feature(aa64_nmi, cpu) && + (env->cp15.sctlr_el[new_el] & SCTLR_NMI)) { + if (!(env->cp15.sctlr_el[new_el] & SCTLR_SPINTMASK)) { + new_mode |=3D PSTATE_ALLINT; + } else { + new_mode &=3D ~PSTATE_ALLINT; + } + } + pstate_write(env, PSTATE_DAIF | new_mode); env->aarch64 =3D true; aarch64_restore_sp(env, new_el); --=20 2.34.1