From patchwork Thu Sep 19 05:50:46 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LIU Zhiwei X-Patchwork-Id: 13807396 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 B687FCE8D4C for ; Thu, 19 Sep 2024 05:55:33 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1srA8O-0002MO-G0; Thu, 19 Sep 2024 01:55:22 -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 1srA8G-00023g-Lf; Thu, 19 Sep 2024 01:55:12 -0400 Received: from out30-101.freemail.mail.aliyun.com ([115.124.30.101]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1srA8D-0007HL-KM; Thu, 19 Sep 2024 01:55:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1726725305; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=q1hRx6CQdBfUQ7r0bb6ynC5utYOjeB/Q6mOffdaJi/E=; b=I55JLpJ16CM6gbon9FJefAoEESVCa4I9+W5qiHGnWI+SDe00gN/BWeRvva7SLxStZ2feKw29DlIjeVica/lQ4jBsTosb3VL7l+KGlW1jwmVWbUnrgVaYssj8dcaGCqzOAl026mS8y/CN3pKBBjSadgfFaY5feFAG9GCv8wiOQuY= Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@linux.alibaba.com fp:SMTPD_---0WFGWSAP_1726725303) by smtp.aliyun-inc.com; Thu, 19 Sep 2024 13:55:04 +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 v7 6/8] target/riscv: Enable RV32 CPU support in RV64 QEMU Date: Thu, 19 Sep 2024 13:50:46 +0800 Message-Id: <20240919055048.562-7-zhiwei_liu@linux.alibaba.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20240919055048.562-1-zhiwei_liu@linux.alibaba.com> References: <20240919055048.562-1-zhiwei_liu@linux.alibaba.com> MIME-Version: 1.0 Received-SPF: pass client-ip=115.124.30.101; envelope-from=zhiwei_liu@linux.alibaba.com; helo=out30-101.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, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, 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 Add gdb XML files and adjust CPU initialization to allow running RV32 CPUs in RV64 QEMU. Signed-off-by: TANG Tiancheng Reviewed-by: Liu Zhiwei Reviewed-by: Alistair Francis --- configs/targets/riscv64-softmmu.mak | 2 +- target/riscv/cpu.c | 16 +++++++++++++--- 2 files changed, 14 insertions(+), 4 deletions(-) diff --git a/configs/targets/riscv64-softmmu.mak b/configs/targets/riscv64-softmmu.mak index 917980e63e..6c5de72e03 100644 --- a/configs/targets/riscv64-softmmu.mak +++ b/configs/targets/riscv64-softmmu.mak @@ -2,6 +2,6 @@ TARGET_ARCH=riscv64 TARGET_BASE_ARCH=riscv TARGET_SUPPORTS_MTTCG=y TARGET_KVM_HAVE_GUEST_DEBUG=y -TARGET_XML_FILES= gdb-xml/riscv-64bit-cpu.xml gdb-xml/riscv-32bit-fpu.xml gdb-xml/riscv-64bit-fpu.xml gdb-xml/riscv-64bit-virtual.xml +TARGET_XML_FILES= gdb-xml/riscv-64bit-cpu.xml gdb-xml/riscv-32bit-fpu.xml gdb-xml/riscv-64bit-fpu.xml gdb-xml/riscv-64bit-virtual.xml gdb-xml/riscv-32bit-cpu.xml gdb-xml/riscv-32bit-virtual.xml # needed by boot.c TARGET_NEED_FDT=y diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 4bda754b01..86ce15252a 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -614,7 +614,10 @@ static void rv64e_bare_cpu_init(Object *obj) riscv_cpu_set_misa_ext(env, RVE); } -#else /* !TARGET_RISCV64 */ +#endif /* !TARGET_RISCV64 */ + +#if defined(TARGET_RISCV32) || \ + (defined(TARGET_RISCV64) && !defined(CONFIG_USER_ONLY)) static void rv32_base_cpu_init(Object *obj) { @@ -2927,6 +2930,12 @@ static const TypeInfo riscv_cpu_type_infos[] = { }, #if defined(TARGET_RISCV32) DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_MAX, MXL_RV32, riscv_max_cpu_init), +#elif defined(TARGET_RISCV64) + DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_MAX, MXL_RV64, riscv_max_cpu_init), +#endif + +#if defined(TARGET_RISCV32) || \ + (defined(TARGET_RISCV64) && !defined(CONFIG_USER_ONLY)) DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_BASE32, MXL_RV32, rv32_base_cpu_init), DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_IBEX, MXL_RV32, rv32_ibex_cpu_init), DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_SIFIVE_E31, MXL_RV32, rv32_sifive_e_cpu_init), @@ -2934,8 +2943,9 @@ static const TypeInfo riscv_cpu_type_infos[] = { DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_SIFIVE_U34, MXL_RV32, rv32_sifive_u_cpu_init), DEFINE_BARE_CPU(TYPE_RISCV_CPU_RV32I, MXL_RV32, rv32i_bare_cpu_init), DEFINE_BARE_CPU(TYPE_RISCV_CPU_RV32E, MXL_RV32, rv32e_bare_cpu_init), -#elif defined(TARGET_RISCV64) - DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_MAX, MXL_RV64, 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), DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_SIFIVE_U54, MXL_RV64, rv64_sifive_u_cpu_init),