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[2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-219dc9705d7sm375775ad.102.2024.12.18.14.30.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Dec 2024 14:30:45 -0800 (PST) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Anton Blanchard , Alistair Francis , Daniel Henrique Barboza Subject: [PULL 10/39] target/riscv: Add Tenstorrent Ascalon CPU Date: Thu, 19 Dec 2024 08:29:40 +1000 Message-ID: <20241218223010.1931245-11-alistair.francis@wdc.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241218223010.1931245-1-alistair.francis@wdc.com> References: <20241218223010.1931245-1-alistair.francis@wdc.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62c; envelope-from=alistair23@gmail.com; helo=mail-pl1-x62c.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Anton Blanchard Add a CPU entry for the Tenstorrent Ascalon CPU, a series of 2 wide to 8 wide RV64 cores. More details can be found at https://tenstorrent.com/ip/tt-ascalon Signed-off-by: Anton Blanchard Acked-by: Alistair Francis Reviewed-by: Daniel Henrique Barboza Message-ID: <20241113110459.1607299-1-antonb@tenstorrent.com> Signed-off-by: Alistair Francis --- target/riscv/cpu-qom.h | 1 + target/riscv/cpu.c | 67 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 68 insertions(+) diff --git a/target/riscv/cpu-qom.h b/target/riscv/cpu-qom.h index 62115375cd..6547642287 100644 --- a/target/riscv/cpu-qom.h +++ b/target/riscv/cpu-qom.h @@ -49,6 +49,7 @@ #define TYPE_RISCV_CPU_SIFIVE_U54 RISCV_CPU_TYPE_NAME("sifive-u54") #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_HOST RISCV_CPU_TYPE_NAME("host") OBJECT_DECLARE_CPU_TYPE(RISCVCPU, RISCVCPUClass, RISCV_CPU) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 4329015076..66e00ed260 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -579,6 +579,72 @@ static void rv64_veyron_v1_cpu_init(Object *obj) #endif } +/* Tenstorrent Ascalon */ +static void rv64_tt_ascalon_cpu_init(Object *obj) +{ + CPURISCVState *env = &RISCV_CPU(obj)->env; + RISCVCPU *cpu = RISCV_CPU(obj); + + riscv_cpu_set_misa_ext(env, RVG | RVC | RVS | RVU | RVH | RVV); + env->priv_ver = PRIV_VERSION_1_13_0; + + /* Enable ISA extensions */ + cpu->cfg.mmu = true; + cpu->cfg.vlenb = 256 >> 3; + cpu->cfg.elen = 64; + cpu->env.vext_ver = VEXT_VERSION_1_00_0; + cpu->cfg.rvv_ma_all_1s = true; + cpu->cfg.rvv_ta_all_1s = true; + cpu->cfg.misa_w = true; + cpu->cfg.pmp = true; + cpu->cfg.cbom_blocksize = 64; + cpu->cfg.cbop_blocksize = 64; + cpu->cfg.cboz_blocksize = 64; + cpu->cfg.ext_zic64b = true; + cpu->cfg.ext_zicbom = true; + cpu->cfg.ext_zicbop = true; + cpu->cfg.ext_zicboz = true; + cpu->cfg.ext_zicntr = true; + cpu->cfg.ext_zicond = true; + cpu->cfg.ext_zicsr = true; + cpu->cfg.ext_zifencei = true; + cpu->cfg.ext_zihintntl = true; + cpu->cfg.ext_zihintpause = true; + cpu->cfg.ext_zihpm = true; + cpu->cfg.ext_zimop = true; + cpu->cfg.ext_zawrs = true; + cpu->cfg.ext_zfa = true; + cpu->cfg.ext_zfbfmin = true; + cpu->cfg.ext_zfh = true; + cpu->cfg.ext_zfhmin = true; + cpu->cfg.ext_zcb = true; + cpu->cfg.ext_zcmop = true; + cpu->cfg.ext_zba = true; + cpu->cfg.ext_zbb = true; + cpu->cfg.ext_zbs = true; + cpu->cfg.ext_zkt = true; + cpu->cfg.ext_zvbb = true; + cpu->cfg.ext_zvbc = true; + cpu->cfg.ext_zvfbfmin = true; + cpu->cfg.ext_zvfbfwma = true; + cpu->cfg.ext_zvfh = true; + cpu->cfg.ext_zvfhmin = true; + cpu->cfg.ext_zvkng = true; + cpu->cfg.ext_smaia = true; + cpu->cfg.ext_smstateen = true; + cpu->cfg.ext_ssaia = true; + cpu->cfg.ext_sscofpmf = true; + cpu->cfg.ext_sstc = true; + cpu->cfg.ext_svade = true; + cpu->cfg.ext_svinval = true; + cpu->cfg.ext_svnapot = true; + cpu->cfg.ext_svpbmt = true; + +#ifndef CONFIG_USER_ONLY + set_satp_mode_max_supported(cpu, VM_1_10_SV57); +#endif +} + #ifdef CONFIG_TCG static void rv128_base_cpu_init(Object *obj) { @@ -2984,6 +3050,7 @@ static const TypeInfo riscv_cpu_type_infos[] = { DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_SIFIVE_U54, MXL_RV64, rv64_sifive_u_cpu_init), DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_SHAKTI_C, MXL_RV64, rv64_sifive_u_cpu_init), DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_THEAD_C906, MXL_RV64, rv64_thead_c906_cpu_init), + DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_TT_ASCALON, MXL_RV64, rv64_tt_ascalon_cpu_init), DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_VEYRON_V1, MXL_RV64, rv64_veyron_v1_cpu_init), #ifdef CONFIG_TCG DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_BASE128, MXL_RV128, rv128_base_cpu_init),