From patchwork Fri Jul 19 23:11:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LIU Zhiwei X-Patchwork-Id: 13737554 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 07F74C3DA5D for ; Fri, 19 Jul 2024 23:18:36 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUwrj-0006ym-Kf; Fri, 19 Jul 2024 19:18:19 -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 1sUwri-0006u6-Cs; Fri, 19 Jul 2024 19:18:18 -0400 Received: from out30-130.freemail.mail.aliyun.com ([115.124.30.130]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUwrg-0006RR-Nl; Fri, 19 Jul 2024 19:18:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1721431093; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=mQk+HoZF2f0RtHDlald+dinWdqte5kUK2h4GqQ4FmQY=; b=I0vjNj3MBJ5/kMU8wTqquA+LsPpXXa/9WqZVewvH2Scz/6Kmo7oZ6UUJVQJzWCTXXaDipCeyBkFhv7pEYN9mFOv46MPO2GXzTgqUM5zpELvCzbz2DSrBpoa0UHEDJ/lsLjxsGZ0XJJ0/E0hWeulhIsdjkZq3TvpGfl7vvil4SZw= X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R671e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=maildocker-contentspam033045046011; MF=zhiwei_liu@linux.alibaba.com; NM=1; PH=DS; RN=10; SR=0; TI=SMTPD_---0WAsnMN0_1721431091; Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@linux.alibaba.com fp:SMTPD_---0WAsnMN0_1721431091) by smtp.aliyun-inc.com; Sat, 20 Jul 2024 07:18:12 +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, philmd@linaro.org, alex.bennee@linaro.org Subject: [PATCH v6 7/8] target/riscv: Add any32 and max32 CPU for RV64 QEMU Date: Sat, 20 Jul 2024 07:11:48 +0800 Message-Id: <20240719231149.1364-8-zhiwei_liu@linux.alibaba.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20240719231149.1364-1-zhiwei_liu@linux.alibaba.com> References: <20240719231149.1364-1-zhiwei_liu@linux.alibaba.com> MIME-Version: 1.0 Received-SPF: pass client-ip=115.124.30.130; envelope-from=zhiwei_liu@linux.alibaba.com; helo=out30-130.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 We may need 32-bit max or 32-bit any CPU for RV64 QEMU. Thus we add these two CPUs for RV64 QEMU. The reason we don't expose them to RV32 QEMU is that we already have max or any cpu with the same configuration. Another reason is that we want to follow the RISC-V custom where addw instruction doesn't exist in RV32 CPU. Signed-off-by: LIU Zhiwei Suggested-by: Daniel Henrique Barboza Reviewed-by: Daniel Henrique Barboza --- target/riscv/cpu-qom.h | 2 ++ target/riscv/cpu.c | 13 ++++++++----- 2 files changed, 10 insertions(+), 5 deletions(-) diff --git a/target/riscv/cpu-qom.h b/target/riscv/cpu-qom.h index 3670cfe6d9..9f91743b78 100644 --- a/target/riscv/cpu-qom.h +++ b/target/riscv/cpu-qom.h @@ -31,6 +31,8 @@ #define TYPE_RISCV_CPU_ANY RISCV_CPU_TYPE_NAME("any") #define TYPE_RISCV_CPU_MAX RISCV_CPU_TYPE_NAME("max") +#define TYPE_RISCV_CPU_ANY32 RISCV_CPU_TYPE_NAME("any32") +#define TYPE_RISCV_CPU_MAX32 RISCV_CPU_TYPE_NAME("max32") #define TYPE_RISCV_CPU_BASE32 RISCV_CPU_TYPE_NAME("rv32") #define TYPE_RISCV_CPU_BASE64 RISCV_CPU_TYPE_NAME("rv64") #define TYPE_RISCV_CPU_BASE128 RISCV_CPU_TYPE_NAME("x-rv128") diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 0df145d90f..ab2512bb19 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -464,11 +464,9 @@ static void riscv_max_cpu_init(Object *obj) env->priv_ver = PRIV_VERSION_LATEST; #ifndef CONFIG_USER_ONLY -#ifdef TARGET_RISCV32 - set_satp_mode_max_supported(cpu, VM_1_10_SV32); -#else - set_satp_mode_max_supported(cpu, VM_1_10_SV57); -#endif + set_satp_mode_max_supported(RISCV_CPU(obj), + riscv_cpu_mxl(&RISCV_CPU(obj)->env) == MXL_RV32 ? + VM_1_10_SV32 : VM_1_10_SV57); #endif } @@ -2962,6 +2960,11 @@ static const TypeInfo riscv_cpu_type_infos[] = { DEFINE_BARE_CPU(TYPE_RISCV_CPU_RV32E, MXL_RV32, rv32e_bare_cpu_init), #endif +#if (defined(TARGET_RISCV64) && !defined(CONFIG_USER_ONLY)) + DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_ANY32, MXL_RV32, riscv_any_cpu_init), + DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_MAX32, MXL_RV32, riscv_max_cpu_init), +#endif + #if defined(TARGET_RISCV64) DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_BASE64, MXL_RV64, rv64_base_cpu_init), DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_SIFIVE_E51, MXL_RV64, rv64_sifive_e_cpu_init),