From patchwork Wed Jul 10 02:24:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LIU Zhiwei X-Patchwork-Id: 13728798 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 46EF4C2BD09 for ; Wed, 10 Jul 2024 02:28:34 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sRN46-00074F-FW; Tue, 09 Jul 2024 22:28:18 -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 1sRN42-0006jh-41; Tue, 09 Jul 2024 22:28:15 -0400 Received: from out30-112.freemail.mail.aliyun.com ([115.124.30.112]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sRN40-0002WK-6p; Tue, 09 Jul 2024 22:28:13 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1720578486; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=+dEWqINsH2q0Is5htmo/kl79xBJRl23UUhw4dg0B5iA=; b=RBLIpXlle/Ci3J+4+8GJxhKhuoPjwCusrEpwINIT0w8ytyExhfyCgh45Jz4TiYJMhq11i85pyxnGWCgeHwMoMjn3aO8vGtHOMfYcSD72XYzktBNUBs2xZTxZwu2AIyIwiVjiUFtjwuLMQsDd5FzrM2wBqvpPSWAtWvxDU/G5Afo= X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R161e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=maildocker-contentspam033037067109; MF=zhiwei_liu@linux.alibaba.com; NM=1; PH=DS; RN=9; SR=0; TI=SMTPD_---0WADaVOA_1720578484; Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@linux.alibaba.com fp:SMTPD_---0WADaVOA_1720578484) by smtp.aliyun-inc.com; Wed, 10 Jul 2024 10:28:05 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, palmer@dabbelt.com, alistair.francis@wdc.com, dbarboza@ventanamicro.com, liwei1518@gmail.com, bmeng.cn@gmail.com, zhiwei_liu@linux.alibaba.com, TANG Tiancheng Subject: [PATCH v5 3/7] target/riscv: Correct SXL return value for RV32 in RV64 QEMU Date: Wed, 10 Jul 2024 10:24:26 +0800 Message-Id: <20240710022430.1306-4-zhiwei_liu@linux.alibaba.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20240710022430.1306-1-zhiwei_liu@linux.alibaba.com> References: <20240710022430.1306-1-zhiwei_liu@linux.alibaba.com> MIME-Version: 1.0 Received-SPF: pass client-ip=115.124.30.112; envelope-from=zhiwei_liu@linux.alibaba.com; helo=out30-112.freemail.mail.aliyun.com X-Spam_score_int: -174 X-Spam_score: -17.5 X-Spam_bar: ----------------- X-Spam_report: (-17.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, ENV_AND_HDR_SPF_MATCH=-0.5, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, USER_IN_DEF_DKIM_WL=-7.5, USER_IN_DEF_SPF_WL=-7.5 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: TANG Tiancheng Ensure that riscv_cpu_sxl returns MXL_RV32 when runningRV32 in an RV64 QEMU. Signed-off-by: TANG Tiancheng Fixes: 05e6ca5e156 ("target/riscv: Ignore reserved bits in PTE for RV64") Reviewed-by: Liu Zhiwei Reviewed-by: Alistair Francis --- target/riscv/cpu.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 87742047ce..49de81be7e 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -693,8 +693,11 @@ static inline RISCVMXL riscv_cpu_sxl(CPURISCVState *env) #ifdef CONFIG_USER_ONLY return env->misa_mxl; #else - return get_field(env->mstatus, MSTATUS64_SXL); + if (env->misa_mxl != MXL_RV32) { + return get_field(env->mstatus, MSTATUS64_SXL); + } #endif + return MXL_RV32; } #endif