From patchwork Tue Jul 5 07:09:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Song Gao X-Patchwork-Id: 1652314 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) 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 bilbo.ozlabs.org (Postfix) with ESMTPS id 4LcYjc3yfrz9s1l for ; Tue, 5 Jul 2022 17:10:42 +1000 (AEST) Received: from localhost ([::1]:57450 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o8chj-0001ww-3C for incoming@patchwork.ozlabs.org; Tue, 05 Jul 2022 03:10:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49502) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o8ch4-0001wX-22 for qemu-devel@nongnu.org; Tue, 05 Jul 2022 03:09:58 -0400 Received: from mail.loongson.cn ([114.242.206.163]:34556 helo=loongson.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o8ch1-000847-M2 for qemu-devel@nongnu.org; Tue, 05 Jul 2022 03:09:57 -0400 Received: from localhost.localdomain (unknown [10.2.5.185]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9AxOeG+48NiEv4JAA--.30532S2; Tue, 05 Jul 2022 15:09:51 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, yangxiaojuan@loongson.cn Subject: [PATCH] target/loongarch: Clean up tlb when cpu reset Date: Tue, 5 Jul 2022 15:09:50 +0800 Message-Id: <20220705070950.2364243-1-gaosong@loongson.cn> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 X-CM-TRANSID: AQAAf9AxOeG+48NiEv4JAA--.30532S2 X-Coremail-Antispam: 1UD129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73 VFW2AGmfu7bjvjm3AaLaJ3UjIYCTnIWjDUYxBIdaVFxhVjvjDU0xZFpf9x0zRUUUUUUUUU = X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ Received-SPF: pass client-ip=114.242.206.163; envelope-from=gaosong@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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" We should make sure that tlb is clean when cpu reset. Signed-off-by: Song Gao Reviewed-by: Richard Henderson --- target/loongarch/cpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index d2d4667a34..e21715592a 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -479,6 +479,7 @@ static void loongarch_cpu_reset(DeviceState *dev) #ifndef CONFIG_USER_ONLY env->pc = 0x1c000000; + memset(env->tlb, 0, sizeof(env->tlb)); #endif restore_fp_status(env);