From patchwork Mon Nov 18 01:15:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Atish Patra X-Patchwork-Id: 13878010 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 C7592D10F3A for ; Mon, 18 Nov 2024 01:18:37 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tCqO8-000188-KJ; Sun, 17 Nov 2024 20:17:12 -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 1tCqO5-00016h-6e for qemu-devel@nongnu.org; Sun, 17 Nov 2024 20:17:09 -0500 Received: from mail-pg1-x532.google.com ([2607:f8b0:4864:20::532]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1tCqO1-0006Sz-W4 for qemu-devel@nongnu.org; Sun, 17 Nov 2024 20:17:08 -0500 Received: by mail-pg1-x532.google.com with SMTP id 41be03b00d2f7-7eab7622b61so2771900a12.1 for ; Sun, 17 Nov 2024 17:17:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1731892624; x=1732497424; darn=nongnu.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=yrPlHuJWuEh2kYh2wmPqEvV/twWv5OmoI09hlzoiKIo=; b=z0SmBjR8fbWh/uvUtxcorLiYrlFB6VrSze01w0Qo0xOTZcYQJCNijg96B9zsn5nra4 Af5pwGtwnFm6AfiBOteAcuNJbISJNV51k7Pai0e/G3nxV4hLjGG3iFxaweV6sjGil0Uv hnO5SujT8FAPbpMiKc4KCJVU+Ay1HNxYYwdbR91xH61wgOi/11EEM7lvGpH5W66DmAg1 vbdMCdTCHRU7Ni+XNW2IDoIUH9fESw2YS/IMts3JT1p/mxwKSW/7dt0ozl+y042GcQ0h UvOaU2ic4CkJ5XhJouAcAmM+ZSh3W61s8JuPLCaHwbKRLbwfyPPsO4BWZgqGTR/DnmTe OdWg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731892624; x=1732497424; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=yrPlHuJWuEh2kYh2wmPqEvV/twWv5OmoI09hlzoiKIo=; b=cF02YXkaGTqffJzhOVOSCHUa5G2RER+9QTERYpK8hZ/Alguf1S9JUSiO5bgqBEEq2s dhXV8Z3B1Lli1esQonfibT6i5/H6EN10CFPF/Ui+JAq04x0UpisKkVpHEQgXJPGIt67X 8YSJxgRONbPLvHtDR3Wewm+ISsWJL1O193x80jKxt+QFKMqYrCKuyoNRvb0109YSJ/oU fRDuC2DXX9ep89ApbqCMLTYftZOBaNW0mGBEy8GTIPxXB9k83JtHovmtBXUx7tqkmZXd 4F54UT4nNMHVuqwP77lytA0qeCCm6NikgXZS0XvecmuR/REFO7IWhgBnvpRctDLYqiqp yFqA== X-Forwarded-Encrypted: i=1; AJvYcCX+MSU4dRys++dMLCFbZu6YY16wU2EWIO9FBv1C1L29Q5s7Qkcn/kx6Ca4pONMLQGgLjRkdt8rMVy7k@nongnu.org X-Gm-Message-State: AOJu0Yyj9TjkB5MmymKFXhkJq2vK0truRTRow7FJwITz/69JK3stTvMQ GYk3791GmLy8h1nbb+jQZgKP0mrYnJB8fdZbOiwRukrNdyIi4qO0KN2Cl6LmoWv5a/fKWLwX53N 7 X-Google-Smtp-Source: AGHT+IFyERO+IUJIVSzfZa8WYRSNfEUTdjWCNkqi7kcwkLxLeu7cg9FaBIjdgNDOuKXHmKJBtp9VVA== X-Received: by 2002:a05:6a20:2449:b0:1d8:a29b:8f6f with SMTP id adf61e73a8af0-1dc90b1cc5emr14277789637.16.1731892624095; Sun, 17 Nov 2024 17:17:04 -0800 (PST) Received: from atishp.ba.rivosinc.com ([64.71.180.162]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-724771e8b75sm5134024b3a.147.2024.11.17.17.17.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 17 Nov 2024 17:17:03 -0800 (PST) From: Atish Patra Date: Sun, 17 Nov 2024 17:15:58 -0800 Subject: [PATCH v3 10/11] target/riscv: Add implied rule for counter delegation extensions MIME-Version: 1.0 Message-Id: <20241117-counter_delegation-v3-10-476d6f36e3c8@rivosinc.com> References: <20241117-counter_delegation-v3-0-476d6f36e3c8@rivosinc.com> In-Reply-To: <20241117-counter_delegation-v3-0-476d6f36e3c8@rivosinc.com> To: qemu-riscv@nongnu.org, qemu-devel@nongnu.org Cc: kaiwenxue1@gmail.com, Atish Patra , palmer@dabbelt.com, liwei1518@gmail.com, zhiwei_liu@linux.alibaba.com, bin.meng@windriver.com, dbarboza@ventanamicro.com, alistair.francis@wdc.com X-Mailer: b4 0.15-dev-13183 Received-SPF: pass client-ip=2607:f8b0:4864:20::532; envelope-from=atishp@rivosinc.com; helo=mail-pg1-x532.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-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 The counter delegation/configuration extensions depend on the following extensions. 1. Smcdeleg - To enable counter delegation from M to S 2. S[m|s]csrind - To enable indirect access CSRs Add an implied rule so that these extensions are enabled by default if the sscfg extension is enabled. Signed-off-by: Atish Patra --- target/riscv/cpu.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 82edd28e2e1d..410ca2e3a666 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -2642,6 +2642,16 @@ static RISCVCPUImpliedExtsRule ZVKSG_IMPLIED = { }, }; +static RISCVCPUImpliedExtsRule SSCFG_IMPLIED = { + .ext = CPU_CFG_OFFSET(ext_ssccfg), + .implied_multi_exts = { + CPU_CFG_OFFSET(ext_smcsrind), CPU_CFG_OFFSET(ext_sscsrind), + CPU_CFG_OFFSET(ext_smcdeleg), + + RISCV_IMPLIED_EXTS_RULE_END + }, +}; + RISCVCPUImpliedExtsRule *riscv_misa_ext_implied_rules[] = { &RVA_IMPLIED, &RVD_IMPLIED, &RVF_IMPLIED, &RVM_IMPLIED, &RVV_IMPLIED, NULL @@ -2659,7 +2669,7 @@ RISCVCPUImpliedExtsRule *riscv_multi_ext_implied_rules[] = { &ZVE64X_IMPLIED, &ZVFBFMIN_IMPLIED, &ZVFBFWMA_IMPLIED, &ZVFH_IMPLIED, &ZVFHMIN_IMPLIED, &ZVKN_IMPLIED, &ZVKNC_IMPLIED, &ZVKNG_IMPLIED, &ZVKNHB_IMPLIED, - &ZVKS_IMPLIED, &ZVKSC_IMPLIED, &ZVKSG_IMPLIED, + &ZVKS_IMPLIED, &ZVKSC_IMPLIED, &ZVKSG_IMPLIED, &SSCFG_IMPLIED, NULL };