From patchwork Wed Jun 22 10:43:00 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaojuan Yang X-Patchwork-Id: 12890485 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 23882C433EF for ; Wed, 22 Jun 2022 10:57:30 +0000 (UTC) Received: from localhost ([::1]:51114 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o3y37-0003vH-5J for qemu-devel@archiver.kernel.org; Wed, 22 Jun 2022 06:57:29 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49042) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o3xvt-000805-Bl for qemu-devel@nongnu.org; Wed, 22 Jun 2022 06:50:01 -0400 Received: from mail.loongson.cn ([114.242.206.163]:55338 helo=loongson.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o3xvr-0004ks-Aw for qemu-devel@nongnu.org; Wed, 22 Jun 2022 06:50:01 -0400 Received: from localhost.localdomain (unknown [10.2.5.185]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9DxL0838rJi+BtUAA--.28846S11; Wed, 22 Jun 2022 18:43:07 +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, chenhuacai@loongson.cn Subject: [PATCH 09/10] target/loongarch: Fix the meaning of ECFG reg's VS field Date: Wed, 22 Jun 2022 18:43:00 +0800 Message-Id: <20220622104301.804447-10-yangxiaojuan@loongson.cn> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220622104301.804447-1-yangxiaojuan@loongson.cn> References: <20220622104301.804447-1-yangxiaojuan@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf9DxL0838rJi+BtUAA--.28846S11 X-Coremail-Antispam: 1UD129KBjvdXoW7Wry5uw1rCw1rKFW5uw4fAFb_yoW3ZFX_W3 WfuF4kuFyjg3ZFqr4Fk345t345Xr18Ka1q9F92qrZ7Ga45XrsxZw4vgwn7ur12grW7GFnx A347GryYyr4akjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJ3UbIYCTnIWIevJa73UjIFyTuYvj4RJUUUUUUUU X-CM-SenderInfo: p1dqw5xldry3tdq6z05rqj20fqof0/ 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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 --- target/loongarch/cpu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index 401d3fd30a..d1a87e8e1c 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 = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, PLV, 0); env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, IE, 0); + if (vec_size) { + vec_size = (1 << vec_size) * 4; + } + if (cs->exception_index == EXCCODE_INT) { /* Interrupt */ uint32_t vector = 0;