From nobody Tue Feb 10 07:22:34 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1626968556191212.60344592064644; Thu, 22 Jul 2021 08:42:36 -0700 (PDT) Received: from localhost ([::1]:40870 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m6aqJ-0006sL-6r for importer@patchew.org; Thu, 22 Jul 2021 11:42:35 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35666) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m6akJ-0000ae-Sh for qemu-devel@nongnu.org; Thu, 22 Jul 2021 11:36:23 -0400 Received: from mail-ed1-x529.google.com ([2a00:1450:4864:20::529]:38781) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1m6akH-0002ja-6r for qemu-devel@nongnu.org; Thu, 22 Jul 2021 11:36:23 -0400 Received: by mail-ed1-x529.google.com with SMTP id ee25so7314277edb.5 for ; Thu, 22 Jul 2021 08:36:19 -0700 (PDT) Received: from avogadro.lan ([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id qo6sm9638628ejb.122.2021.07.22.08.36.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jul 2021 08:36:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=0CUu59jU+QrLXiW2oOeunVguInuponinPtlaQBzYVEQ=; b=EdepfyFi3KBEG3DusUCfa0bc3FKECXEu+eaK6AXJAhnl6Xba5XLfgKQswY3r2mLgs4 slXZkfOm3YqfXIjyYTch/OvP7KdvApDvsBBt74a6sqVHv4jqY4BpbfzXztr4M0PSbYDC t+X9IXM1/KFhaPgLeK2nAsM3MWuTca2KD6rPu6yeqm73Pvh2kI5BDs2fHDEYPH8YOgfz 2Jl6+Ot2sDfyNv8qtASNk8wjyFFF83K2PZsosgafm9V63QaVAOuaiqveVZDlewliQcxX F6te4T/2QWKj9uvsSI2Kfqd5D5zZWyMQ3TD7lyYBO5tujJTeYjQUz4vJAsM0l1udLOv0 r0Pg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=0CUu59jU+QrLXiW2oOeunVguInuponinPtlaQBzYVEQ=; b=V3ckWJBHAoBSbATz+qYi1AkvH11J0Kubb/mBOFzRfKKahEoEnInJT1HF0w2jXYrm5A esg0e7AEJAzpg29P9QoPoT7wBeXRp1OqaHA/l3+hB40GEeN4pLlWnZ229yx8F+P7oS/q ek7EI6L3RCSXPvvzwyFNLSDNoVrHbeGTO+uCaxcHIlJKhheKB8nyyRSXKPnoRi0MSJmc ocAwbIUF7cJveXN5kHZPez6KtFZ8RHsyxyxrgREgcIF1trmIo0wMt6801HZ75KfPlkd2 76v9GtdOcR/TBNSquPcHYsVPJ/TN/Yiekus5mhP4+B739agK35fERR9fqg+ITpvupPZS 1V2A== X-Gm-Message-State: AOAM532ODb+59W6vhonOAc4aZbjW2hx98sMJBAqft2yCxcDt0BDRJkEB ADYjTAFXSjjNkXlstLKaXakdKVrp3zHpCA== X-Google-Smtp-Source: ABdhPJwlgXzrNDF2iXlEjQJX0yj4klOckEjq1TB7ZyWET9NhuLkn14Uge4pZp/LQjWgrdHfyvQtNeQ== X-Received: by 2002:aa7:de92:: with SMTP id j18mr235793edv.141.1626968178961; Thu, 22 Jul 2021 08:36:18 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 07/15] target/i386: Added V_INTR_PRIO check to virtual interrupts Date: Thu, 22 Jul 2021 17:36:04 +0200 Message-Id: <20210722153612.955537-8-pbonzini@redhat.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210722153612.955537-1-pbonzini@redhat.com> References: <20210722153612.955537-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=2a00:1450:4864:20::529; envelope-from=paolo.bonzini@gmail.com; helo=mail-ed1-x529.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Lara Lazier Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1626968556767100003 Content-Type: text/plain; charset="utf-8" From: Lara Lazier The APM2 states that The processor takes a virtual INTR interrupt if V_IRQ and V_INTR_PRIO indicate that there is a virtual interrupt pending whose priority is greater than the value in V_TPR. Signed-off-by: Lara Lazier Message-Id: <20210721152651.14683-1-laramglazier@gmail.com> Signed-off-by: Paolo Bonzini --- target/i386/tcg/sysemu/svm_helper.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/target/i386/tcg/sysemu/svm_helper.c b/target/i386/tcg/sysemu/s= vm_helper.c index 00618cff23..72b03a345d 100644 --- a/target/i386/tcg/sysemu/svm_helper.c +++ b/target/i386/tcg/sysemu/svm_helper.c @@ -65,6 +65,16 @@ static inline void svm_load_seg_cache(CPUX86State *env, = hwaddr addr, sc->base, sc->limit, sc->flags); } =20 +static inline bool ctl_has_irq(uint32_t int_ctl) +{ + uint32_t int_prio; + uint32_t tpr; + + int_prio =3D (int_ctl & V_INTR_PRIO_MASK) >> V_INTR_MASKING_SHIFT; + tpr =3D int_ctl & V_TPR_MASK; + return (int_ctl & V_IRQ_MASK) && (int_prio >=3D tpr); +} + void helper_vmrun(CPUX86State *env, int aflag, int next_eip_addend) { CPUState *cs =3D env_cpu(env); @@ -290,7 +300,7 @@ void helper_vmrun(CPUX86State *env, int aflag, int next= _eip_addend) =20 env->hflags2 |=3D HF2_GIF_MASK; =20 - if (int_ctl & V_IRQ_MASK) { + if (ctl_has_irq(int_ctl)) { CPUState *cs =3D env_cpu(env); =20 cs->interrupt_request |=3D CPU_INTERRUPT_VIRQ; --=20 2.31.1