From nobody Tue Feb 10 20:30:02 2026 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1656668588303609.7621064640956; Fri, 1 Jul 2022 02:43:08 -0700 (PDT) Received: from localhost ([::1]:38400 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o7DB4-00031S-DU for importer@patchew.org; Fri, 01 Jul 2022 05:43:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59974) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o7D8Y-000056-2H for qemu-devel@nongnu.org; Fri, 01 Jul 2022 05:40:30 -0400 Received: from mail.loongson.cn ([114.242.206.163]:41864 helo=loongson.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o7D8V-0002rL-3O for qemu-devel@nongnu.org; Fri, 01 Jul 2022 05:40:29 -0400 Received: from localhost.localdomain (unknown [10.2.5.185]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9AxKeGPv75iutYAAA--.2820S10; Fri, 01 Jul 2022 17:34:10 +0800 (CST) From: Xiaojuan Yang To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, gaosong@loongson.cn, maobibo@loongson.cn, mark.cave-ayland@ilande.co.uk, mst@redhat.com, imammedo@redhat.com, ani@anisinha.ca, f4bug@amsat.org, peter.maydell@linaro.org Subject: [PATCH 08/11] target/loongarch: Fix the meaning of ECFG reg's VS field Date: Fri, 1 Jul 2022 17:34:04 +0800 Message-Id: <20220701093407.2150607-9-yangxiaojuan@loongson.cn> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220701093407.2150607-1-yangxiaojuan@loongson.cn> References: <20220701093407.2150607-1-yangxiaojuan@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: AQAAf9AxKeGPv75iutYAAA--.2820S10 X-Coremail-Antispam: 1UD129KBjvdXoW7Wry5uw1rCw1rKFW5uw4fAFb_yoW3ZFX_W3 WfuFs7uryY93ZFqw4Fkry5t345Xr48Ga1q9FZaqrZ7Ga45XwsxZw4vgwn7ur12grW7JFnx A347GryYkr1akjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJ3UbIYCTnIWIevJa73UjIFyTuYvj4RJUUUUUUUU X-CM-SenderInfo: p1dqw5xldry3tdq6z05rqj20fqof0/ 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=114.242.206.163; envelope-from=yangxiaojuan@loongson.cn; helo=loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1656668588529100001 Content-Type: text/plain; charset="utf-8" By the manual of LoongArch CSR, the VS field(18:16 bits) of ECFG reg means that the number of instructions between each exception entry is 2^VS. Signed-off-by: Xiaojuan Yang Reviewed-by: Richard Henderson --- target/loongarch/cpu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index 4c8f96bc3a..04e5e47da4 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -219,6 +219,10 @@ static void loongarch_cpu_do_interrupt(CPUState *cs) env->CSR_CRMD =3D FIELD_DP64(env->CSR_CRMD, CSR_CRMD, PLV, 0); env->CSR_CRMD =3D FIELD_DP64(env->CSR_CRMD, CSR_CRMD, IE, 0); =20 + if (vec_size) { + vec_size =3D (1 << vec_size) * 4; + } + if (cs->exception_index =3D=3D EXCCODE_INT) { /* Interrupt */ uint32_t vector =3D 0; --=20 2.31.1