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[93.38.168.93]) by smtp.gmail.com with ESMTPSA id hd32sm582089ejc.106.2021.07.28.03.17.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Jul 2021 03:17:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=MJtquZF+BXJdOTj8OvvrrkTQh3k4bYbK1E7DSOL1bEc=; b=YRxKOkZAYw47mS8LNxouv2Vq5iA+d6hRN2CmFsaJI73FafQGP8VATc88AgxSFCvQjX aZxcMuwyfN/T7dss+bmZG6P1o60kLds/X7SeZwmAWP4suGQ1WKq3AgZaDOtbNxrG/2yd vbVFPgvuajycCkT6IxZMJHQHQ2niPd4UbyqybQU1JRW6L1WQ9t+j0rXQsUeSI5u7ri2r YfAjE51wRDGWBVuR5HAwcjwEQtHj2itCwiW1OwzRyMAsj3r15tmS3oiTG9sS4Ke2FVNk iiZwA224de8KiDyL6KsJDB7/SF5GZm6/j46ayDivpM/HuhnXKUOePvDv93JulQ/Wl0bb WVFA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=MJtquZF+BXJdOTj8OvvrrkTQh3k4bYbK1E7DSOL1bEc=; b=Vvco66ZfvsU96caRar4UZuZp1sEIFDgh+ET/0+BpdNUGxEZGP+ULgM0wirdXfLCgpJ 6xyGj0JthTDDBF/uZ679xp2We2jUkCma5stxspzRMsX/kxbwgLeUsgvMhrNDgzwZfLQO URs1QtffvaRoUxLeVbhcrdYqxGDB5IMpdhtssYtGB/s8uNOzBoEGlDXW/vEXL7ok/lSB WAVmz53eNIrnW+Pg6T7awi3IqU1NJjYh0LFJtioYCzeHfjnL2IjCj4adw6P2tU0j49kw Vl4x4sXNpDVdn/6ZNm8rhqj3EzQWqfWkQuFa4MxC+C0DWSGGVq8SfLyZJKRFQqcrgLhr 5GTA== X-Gm-Message-State: AOAM530IG2w9Mv5s6dKhJO2fSIlyLaIX3tegIXx/vkIz6zepBkcMHeip +uzrj1dneflEZ8HAnwmqT4wL3gWxRQSRQQ== X-Google-Smtp-Source: ABdhPJx8sItlK2Ji5y7y1euL9bDxnw/RORW+UvQFlV3sD/ZlLhDZGwK3AQ8xYkL8r2HOFBQXHuLZbQ== X-Received: by 2002:a17:906:4917:: with SMTP id b23mr7948016ejq.468.1627467454426; Wed, 28 Jul 2021 03:17:34 -0700 (PDT) From: Lara Lazier To: qemu-devel@nongnu.org Subject: [PATCH v2] target/i386: Added V_INTR_PRIO check to virtual interrupts Date: Wed, 28 Jul 2021 12:17:21 +0200 Message-Id: <20210728101721.26712-1-laramglazier@gmail.com> X-Mailer: git-send-email 2.25.1 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::62e; envelope-from=laramglazier@gmail.com; helo=mail-ej1-x62e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, Lara Lazier Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1627467569529100001 Content-Type: text/plain; charset="utf-8" v1->v2: Fixed Mask 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 --- target/i386/tcg/sysemu/svm_helper.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/target/i386/tcg/sysemu/svm_helper.c b/target/i386/tcg/sysemu/s= vm_helper.c index 72ea7c9a08..a3138e9f86 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_PRIO_SHIFT; + tpr =3D int_ctl & V_TPR_MASK; + return (int_ctl & V_IRQ_MASK) && (int_prio >=3D tpr); +} + static inline bool is_efer_invalid_state (CPUX86State *env) { if (!(env->efer & MSR_EFER_SVME)) { @@ -365,7 +375,6 @@ void helper_vmrun(CPUX86State *env, int aflag, int next= _eip_addend) =20 if (ctl_has_irq(int_ctl)) { CPUState *cs =3D env_cpu(env); - cs->interrupt_request |=3D CPU_INTERRUPT_VIRQ; } =20 --=20 2.25.1