From patchwork Fri Apr 28 14:36:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Weiwei Li X-Patchwork-Id: 13226499 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 3A14DC77B60 for ; Fri, 28 Apr 2023 14:46:46 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1psPMN-0004Yg-5I; Fri, 28 Apr 2023 10:46:07 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1psPMK-0004Xl-FT; Fri, 28 Apr 2023 10:46:04 -0400 Received: from [159.226.251.80] (helo=cstnet.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1psPMH-0008Tn-IR; Fri, 28 Apr 2023 10:46:04 -0400 Received: from localhost.localdomain (unknown [61.165.33.195]) by APP-01 (Coremail) with SMTP id qwCowACHj3vq2UtkrB5ZDA--.57839S11; Fri, 28 Apr 2023 22:36:33 +0800 (CST) From: Weiwei Li To: qemu-riscv@nongnu.org, qemu-devel@nongnu.org Cc: palmer@dabbelt.com, alistair.francis@wdc.com, bin.meng@windriver.com, dbarboza@ventanamicro.com, zhiwei_liu@linux.alibaba.com, richard.henderson@linaro.org, wangjunqiang@iscas.ac.cn, lazyparser@gmail.com, Weiwei Li Subject: [PATCH v5 09/13] target/riscv: Flush TLB when pmpaddr is updated Date: Fri, 28 Apr 2023 22:36:17 +0800 Message-Id: <20230428143621.142390-10-liweiwei@iscas.ac.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230428143621.142390-1-liweiwei@iscas.ac.cn> References: <20230428143621.142390-1-liweiwei@iscas.ac.cn> MIME-Version: 1.0 X-CM-TRANSID: qwCowACHj3vq2UtkrB5ZDA--.57839S11 X-Coremail-Antispam: 1UD129KBjvdXoW7WryUKFy7XF4UtFy3ZFWUJwb_yoW3twb_Wr WIqF48W3yUW3WF9FW8AFs8Jr18CrykJFs0gasrtrs3Ca45Kr4fX3WqqaykJr1YkFZxWr93 ZwnrJr47CrsagjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbkAFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUAVCq3wA2048vs2 IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28E F7xvwVC0I7IYx2IY67AKxVW8JVW5JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8Jr0_Cr 1UM28EF7xvwVC2z280aVAFwI0_Cr1j6rxdM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq 3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7 IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4U M4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628vn2 kIc2xKxwCY02Avz4vE14v_Xryl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_ Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17 CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_JFI_Gr1lIxAIcVC0 I7IYx2IY6xkF7I0E14v26r4UJVWxJr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0x vEx4A2jsIE14v26r4j6F4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJbIYCTnIWIev Ja73UjIFyTuYvjfUYJPEDUUUU X-Originating-IP: [61.165.33.195] X-CM-SenderInfo: 5olzvxxzhlqxpvfd2hldfou0/ X-Host-Lookup-Failed: Reverse DNS lookup failed for 159.226.251.80 (deferred) Received-SPF: pass client-ip=159.226.251.80; envelope-from=liweiwei@iscas.ac.cn; helo=cstnet.cn X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_MSPIKE_H2=-0.001, RDNS_NONE=0.793, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org TLB should be flushed not only for pmpcfg csr changes, but also for pmpaddr csr changes. Signed-off-by: Weiwei Li Signed-off-by: Junqiang Wang Reviewed-by: Alistair Francis Reviewed-by: LIU Zhiwei --- target/riscv/pmp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/riscv/pmp.c b/target/riscv/pmp.c index 3af2caff31..5627e9fe70 100644 --- a/target/riscv/pmp.c +++ b/target/riscv/pmp.c @@ -531,6 +531,7 @@ void pmpaddr_csr_write(CPURISCVState *env, uint32_t addr_index, if (is_next_cfg_tor) { pmp_update_rule_addr(env, addr_index + 1); } + tlb_flush(env_cpu(env)); } else { qemu_log_mask(LOG_GUEST_ERROR, "ignoring pmpaddr write - locked\n");