From nobody Fri Dec 19 15:54:46 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1733384293916411.5245942922995; Wed, 4 Dec 2024 23:38:13 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tJ6QG-0005wv-Fj; Thu, 05 Dec 2024 02:37:16 -0500 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 1tJ6QC-0005vt-9s; Thu, 05 Dec 2024 02:37:12 -0500 Received: from smtp84.cstnet.cn ([159.226.251.84] helo=cstnet.cn) by eggs.gnu.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1tJ6Q8-0003Mj-Jq; Thu, 05 Dec 2024 02:37:11 -0500 Received: from f9905068bba7.home.arpa (unknown [124.16.138.129]) by APP-05 (Coremail) with SMTP id zQCowADn738UWFFne1MECA--.48444S2; Thu, 05 Dec 2024 15:36:53 +0800 (CST) From: MollyChen To: Palmer Dabbelt , Alistair Francis , Bin Meng , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei Cc: MollyChen , qemu-riscv@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH v1] target/riscv: add support for RV64 Xiangshan Nanhu CPU Date: Thu, 5 Dec 2024 07:36:20 +0000 Message-Id: <20241205073622.46052-1-xiaoou@iscas.ac.cn> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: zQCowADn738UWFFne1MECA--.48444S2 X-Coremail-Antispam: 1UD129KBjvJXoWxXw1fZw45Jw48Aw13AFy7Jrb_yoW5Xr4xpr 4UGa909rWDJasFka1fJF1DWrZ5Xw4ru3yag39xZ3W3XF43JrW7JF1Dt34UuryDXF4rX3WI 93WkCF15CF43Aa7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUkK14x267AKxVW8JVW5JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26r4j6ryUM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26F4j 6r4UJwA2z4x0Y4vEx4A2jsIE14v26r4UJVWxJr1l84ACjcxK6I8E87Iv6xkF7I0E14v26F 4UJVW0owAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv 7VC0I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r 1j6r4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwCY1x0262kKe7AK xVWUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F4 0E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFyl IxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxV AFwI0_Jr0_Gr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j 6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Jr0_GrUvcSsGvfC2KfnxnUUI43ZEXa7VUbGQ6J UUUUU== X-Originating-IP: [124.16.138.129] X-CM-SenderInfo: 50ld003x6l2u1dvotugofq/ Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=159.226.251.84; envelope-from=xiaoou@iscas.ac.cn; helo=cstnet.cn X-Spam_score_int: -33 X-Spam_score: -3.4 X-Spam_bar: --- X-Spam_report: (-3.4 / 5.0 requ) BAYES_00=-1.9, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.827, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1733384296477116600 Content-Type: text/plain; charset="utf-8" Add a CPU entry for the RV64 XiangShan NANHU CPU which supports single-core and dual-core configurations. More details can be found at https://docs.xiangshan.cc/zh-cn/latest/integration/overview Signed-off-by: MollyChen Acked-by: Alistair Francis Reviewed-by: Daniel Henrique Barboza --- target/riscv/cpu-qom.h | 1 + target/riscv/cpu.c | 29 +++++++++++++++++++++++++++++ 2 files changed, 30 insertions(+) diff --git a/target/riscv/cpu-qom.h b/target/riscv/cpu-qom.h index 6547642287..d56b067bf2 100644 --- a/target/riscv/cpu-qom.h +++ b/target/riscv/cpu-qom.h @@ -50,6 +50,7 @@ #define TYPE_RISCV_CPU_THEAD_C906 RISCV_CPU_TYPE_NAME("thead-c906") #define TYPE_RISCV_CPU_VEYRON_V1 RISCV_CPU_TYPE_NAME("veyron-v1") #define TYPE_RISCV_CPU_TT_ASCALON RISCV_CPU_TYPE_NAME("tt-ascalon") +#define TYPE_RISCV_CPU_XIANGSHAN_NANHU RISCV_CPU_TYPE_NAME("xiangshan-nan= hu") #define TYPE_RISCV_CPU_HOST RISCV_CPU_TYPE_NAME("host") =20 OBJECT_DECLARE_CPU_TYPE(RISCVCPU, RISCVCPUClass, RISCV_CPU) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 8447ad0dfb..38baaa39f8 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -645,6 +645,34 @@ static void rv64_tt_ascalon_cpu_init(Object *obj) #endif } =20 +static void rv64_xiangshan_nanhu_cpu_init(Object *obj) +{ + CPURISCVState *env =3D &RISCV_CPU(obj)->env; + RISCVCPU *cpu =3D RISCV_CPU(obj); + + riscv_cpu_set_misa_ext(env, RVG | RVC | RVB | RVS | RVU); + env->priv_ver =3D PRIV_VERSION_1_12_0; + + /* Enable ISA extensions */ + cpu->cfg.ext_zbc =3D true; + cpu->cfg.ext_zbkb =3D true; + cpu->cfg.ext_zbkc =3D true; + cpu->cfg.ext_zbkx =3D true; + cpu->cfg.ext_zknd =3D true; + cpu->cfg.ext_zkne =3D true; + cpu->cfg.ext_zknh =3D true; + cpu->cfg.ext_zksed =3D true; + cpu->cfg.ext_zksh =3D true; + cpu->cfg.ext_svinval =3D true; + + cpu->cfg.mmu =3D true; + cpu->cfg.pmp =3D true; + +#ifndef CONFIG_USER_ONLY + set_satp_mode_max_supported(cpu, VM_1_10_SV39); +#endif +} + #ifdef CONFIG_TCG static void rv128_base_cpu_init(Object *obj) { @@ -3050,6 +3078,7 @@ static const TypeInfo riscv_cpu_type_infos[] =3D { DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_THEAD_C906, MXL_RV64, rv64_thead_c90= 6_cpu_init), DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_TT_ASCALON, MXL_RV64, rv64_tt_ascalo= n_cpu_init), DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_VEYRON_V1, MXL_RV64, rv64_veyron_v1= _cpu_init), + DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_XIANGSHAN_NANHU, MXL_RV64, rv64_xiang= shan_nanhu_cpu_init), #ifdef CONFIG_TCG DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_BASE128, MXL_RV128, rv128_base_cpu= _init), #endif /* CONFIG_TCG */ --=20 2.34.1