From patchwork Wed Nov 13 11:04:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anton Blanchard X-Patchwork-Id: 13873434 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 7B589D41C33 for ; Wed, 13 Nov 2024 11:06:08 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tBBBm-0003Px-1v; Wed, 13 Nov 2024 06:05:34 -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 1tBBBe-0003Op-0X for qemu-devel@nongnu.org; Wed, 13 Nov 2024 06:05:26 -0500 Received: from mail-qk1-x735.google.com ([2607:f8b0:4864:20::735]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1tBBBb-0007Jg-Rp for qemu-devel@nongnu.org; Wed, 13 Nov 2024 06:05:25 -0500 Received: by mail-qk1-x735.google.com with SMTP id af79cd13be357-7b14077ec5aso61333285a.1 for ; Wed, 13 Nov 2024 03:05:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tenstorrent.com; s=google; t=1731495922; x=1732100722; darn=nongnu.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=79Qimx1nMyYtTHxLhbx1rj+j53V50WkAMuTu2tDwobI=; b=PNJTA7zd0SX2ekw22HRlURZjDOAF7FOricC0j8AmIFcueXt4hTULDUhXMfpDEQzy+y WWW7Lx+mm8fXwD6fByXQM4ejJ4HO4xeimWHee2Rt1Ogj69ND0LOH6DrwLjC+vlH5RDAt T+9Khaxng14VpxEA7lALqTyTOVbZUWz27dgAttjYBK0xK2VtFKnR/aQ+3xOg9K+BKpjA LeHflUQU/dkDykVMuvggRGuXY2pNe8MV9P0B83YEoShryDeioxpc/IsSgLQlo1rlNXkP MWBEu5VF+4D7hnzd57Q93vrT5VXoAp4eYfr6sm7wNFQKwUmGLWkl07CQ/Wr051SpU5AF hXUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731495922; x=1732100722; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=79Qimx1nMyYtTHxLhbx1rj+j53V50WkAMuTu2tDwobI=; b=w4OOPFsUB1ZIu9pWZz/2/Gi8lcGQips1G7BkF6D5N8Ih27Y7tmzDsiEppdoBPp32Et Af4Qdr8FAa/0C6reOV0c8L560Gjv30ULaLOJSi5qBs0XyeKm4EKC1tEG9ljxPyMynL3f /5PJaHC0myFYYBLRnYuWE4DOJwQ7e1qf6oDsH2OktfhtEK3G6ECjYHQGJOfkx8wfm7Kh 1BwMqR+wiJi5NvcXNax0Mc5aLEPCdo9pYq3Dhxmb4Pna5S1bB3onE5SUxVQqRTfs0FvO T5Qu2WRmAS7XsfgeEmhVQkFsMib/k1eF7LWohd+SQIQa1bz+jy+srz3+D7DpaQmz/kDD FzDg== X-Forwarded-Encrypted: i=1; AJvYcCWip70uvusvpIQxtekaiXer52PTaAOEeru1jgCQ5fJv3Clu+OcoXkeiVgRa3EkMOcXRFIgRRsdEMsP3@nongnu.org X-Gm-Message-State: AOJu0YyzC3w0eBOafLmCM9yXKlOsSQ5E1FozHIxnIMrcJKRd0bmjQTJH FxSsaFfyl9EXPdkwyUjLFUecJ7VyK9fdjvB9J/069C1s8FNrA2tdABR1OGY/9sA= X-Google-Smtp-Source: AGHT+IF5oet/iFgY9FitxVVtn61AMIFSnuCJ6qiqA7rYdjtWGmAMy9dFn1/PTIjm78xb1VPpZ4nBKQ== X-Received: by 2002:a05:620a:2687:b0:7b1:21c4:ecf8 with SMTP id af79cd13be357-7b33192f706mr3105331985a.28.1731495922192; Wed, 13 Nov 2024 03:05:22 -0800 (PST) Received: from ausc-rvsw-c-01-anton.tail89d63.ts.net ([38.104.49.66]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7b32ac549ffsm676904285a.45.2024.11.13.03.05.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Nov 2024 03:05:21 -0800 (PST) From: Anton Blanchard To: qemu-riscv@nongnu.org, qemu-devel@nongnu.org Cc: Anton Blanchard , Palmer Dabbelt , Alistair Francis , Bin Meng , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei Subject: [PATCH v2] target/riscv: Add Tenstorrent Ascalon CPU Date: Wed, 13 Nov 2024 22:04:59 +1100 Message-Id: <20241113110459.1607299-1-antonb@tenstorrent.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::735; envelope-from=antonb@tenstorrent.com; helo=mail-qk1-x735.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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 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 Reviewed-by: Daniel Henrique Barboza --- 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 f219f0c3b5..8447ad0dfb 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) { @@ -2982,6 +3048,7 @@ 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),