From nobody Mon Feb 9 17:25:00 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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; dmarc=pass(p=reject dis=none) header.from=sifive.com ARC-Seal: i=1; a=rsa-sha256; t=1767885562; cv=none; d=zohomail.com; s=zohoarc; b=aeelkMjqAe5IgMIhcv4tPG3++T5UETE+md1ruAkCCizSr3rjy2an/dFnV58J6EyFKXEoEjy/EEsPb+YRGAkVaOTS7fOP9ZUM0fhwODyOo4yyxUma4G4O1ZAGCMI4V2JUfMC/spfRutUUBbOJkXiW6wqX01xhyWP2ETjjsVEp0WM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1767885562; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=HFri5ZA09xRzAtu6L+gPED6chTkzb719Dd9fZBMyM3c=; b=K/iWnjZzjB/k97ZLmmhWPaFdRqtg8Ju2OlWnYsdseDPrep3eiCZRypWlFq2tTGa4gI2leZAVeLGgp//FA7xgcmbHmj1sxtYCwxl90uAHhCEw/+fMLPBBBwAYJ3GztJTY9IebzbGRCQ7tKQeIsWQo76Rty4C/SIZMrnzzkGi7jCE= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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; dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1767885562730566.4157017949971; Thu, 8 Jan 2026 07:19:22 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vdrmY-00026y-Tj; Thu, 08 Jan 2026 10:18:40 -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 1vdrlf-00018Z-OG for qemu-devel@nongnu.org; Thu, 08 Jan 2026 10:17:45 -0500 Received: from mail-pf1-x435.google.com ([2607:f8b0:4864:20::435]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1vdrld-0003gE-Hc for qemu-devel@nongnu.org; Thu, 08 Jan 2026 10:17:43 -0500 Received: by mail-pf1-x435.google.com with SMTP id d2e1a72fcca58-7b8eff36e3bso3426641b3a.2 for ; Thu, 08 Jan 2026 07:17:41 -0800 (PST) Received: from duncan.localdomain (114-35-142-126.hinet-ip.hinet.net. [114.35.142.126]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-81d87955bb6sm1060239b3a.50.2026.01.08.07.17.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Jan 2026 07:17:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1767885460; x=1768490260; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=HFri5ZA09xRzAtu6L+gPED6chTkzb719Dd9fZBMyM3c=; b=cWoR2m+VRDFDgEp3aOwrVmnRAGJec5kc88IXrLU6adqA/ZSMv2cv3wGQM4fnNkYUmQ 7e8RttQFGbheKQukKb3++3fLq6QpD1FmUUVbv80WBQXFJLoFHvsTbtSMxLTmSaNmiuVj IVeFYadkS9xCsun+6uBL6IS92inQTdoAqqlAYdXF8BBQ1MpBhGZdLajNUdJ06B5jc0LX +xiaesAomrLrfHmVL892jRv7U6rTjzl1zSRUkDU0Dx5cElhQFMXKR3IcpLQ8NE0xM5G7 Ip63vTBI5v5Y5/gCNvaxVif2IMmM0zUQ0r6SsEsQed/CaLW5OsDtP1FyjPKkh1MvrB13 hqcw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767885460; x=1768490260; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=HFri5ZA09xRzAtu6L+gPED6chTkzb719Dd9fZBMyM3c=; b=Lb2ftpwqm1fUuu8Kmoaqa7mxbgj5HcQg0UKlSUTDvFvxd2mzdVK45AB8XENlToHrLb MGTzvQ4EJFrxDr4pq5as39i+jBMWRGPz0PppPUUZNhQbVTFea6OtgLOW7v90LXy9U6GZ kuou7gWeknopb5+/tlhgGHrU8bF4fsZJuk+7BWkEyWo5sjBks4A9eSLSnz9m2jZWDt7i dOnb7tV5VOFIff577mnd5ldrn5f6yUNdM9kGj31OLhNTHCXi2F5ZemcvjbEcGU9l/XE3 qGtf5Qjv1cXF7tsCIdJTu9WsK/rPltVYwvwb0zHYV5+E6TS6ygta7KorSo87Ew/SkK+8 KHJQ== X-Gm-Message-State: AOJu0Yx05697GmKHiWn28Njb9lfEXBXfFyTD/A63rVw7HO9yXI9td/2m q9A20b3yX5UzG55uJhipn31ZAr2Oi165QO1mHxyfWuzOx5MPayJkDuBktiQAHNK1GK8jZti2KkW zh5kGbzfwrjGmCfht160+FfEP6OsrOmLJHoaaPTge86YDXVa3TI2Tz+udLen09zx2svwwW+1UgM B+ddf2EFLN3WVQ5MQmTdHwyTO1Zspp370qFyvLFs0= X-Gm-Gg: AY/fxX4orACC9lp+lPZdcJcwH/BEZ1g9ckAgFzuiiEVNszk0R6FBkVIjMw21x9i3xdY zL6Nk/Hb/A5ZXnjCQ+C1vT2KaTSy0oRcMFdwQqcPbg+GK4TGBNtzKJM5Hr/INR2kJIsq3E09DtP tfrA2K9q6bYuyovXrTNrgihXDeHaZ0LqWltC0rzC47nfO8BgPrVIzYvBoDGB0wUHDH1z0jbiWLB 7H9Z6bwwDYxMSMS+JAHjPhwIAC1ThkVxSVhwC8FG6thnjepJK3FjNz8SpV1xDWVsO64D8rRHb8s O3ZCOX284JYZ4gUZE1b3o22v7n+/XRtD9TaFh8wyaqJebRHNvDfZtOgLYLP/3j+DcLVInOFjzv8 Oj+RFLrh9wmzDtVB8QeQ13VWQvG0dKQArq+4tMEpPY99EJjXx0YXjystsypnmuxDYlNO/ReSoNy jQqZ33XxjGWm/lH1b/iasJ40kz0fWc4A2lpM7IaNypS9OnAoMVwdxxijs= X-Google-Smtp-Source: AGHT+IGCi2YNQzFt1tst0ktqMT44HaOaPIaDor3NEsGDB363eFrbnvaKbJjZ1cOnJ9rzv9C7sKNuZw== X-Received: by 2002:a05:6a00:408e:b0:7e8:450c:61ae with SMTP id d2e1a72fcca58-81b7ffd758emr6072210b3a.69.1767885460018; Thu, 08 Jan 2026 07:17:40 -0800 (PST) From: Max Chou To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Palmer Dabbelt , Alistair Francis , Aurelien Jarno , Peter Maydell , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , Max Chou , Alistair Francis Subject: [PATCH 14/18] target/riscv: Add cfg properity for Zvfofp4min extension Date: Thu, 8 Jan 2026 23:16:45 +0800 Message-ID: <20260108151650.16329-15-max.chou@sifive.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260108151650.16329-1-max.chou@sifive.com> References: <20260108151650.16329-1-max.chou@sifive.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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 (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=2607:f8b0:4864:20::435; envelope-from=max.chou@sifive.com; helo=mail-pf1-x435.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @sifive.com) X-ZM-MESSAGEID: 1767885564838158500 Content-Type: text/plain; charset="utf-8" According to the ISA spec of Zvfofp4min extension, "The Zvfofp4min extension requires on the Zve32f extension." Signed-off-by: Max Chou --- target/riscv/cpu.c | 1 + target/riscv/cpu_cfg_fields.h.inc | 1 + target/riscv/tcg/tcg-cpu.c | 10 ++++++++++ 3 files changed, 12 insertions(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 081891c97a..9d4fc3ab6b 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -193,6 +193,7 @@ const RISCVIsaExtData isa_edata_arr[] =3D { ISA_EXT_DATA_ENTRY(zvfbfwma, PRIV_VERSION_1_12_0, ext_zvfbfwma), ISA_EXT_DATA_ENTRY(zvfh, PRIV_VERSION_1_12_0, ext_zvfh), ISA_EXT_DATA_ENTRY(zvfhmin, PRIV_VERSION_1_12_0, ext_zvfhmin), + ISA_EXT_DATA_ENTRY(zvfofp4min, PRIV_VERSION_1_12_0, ext_zvfofp4min), ISA_EXT_DATA_ENTRY(zvfofp8min, PRIV_VERSION_1_12_0, ext_zvfofp8min), ISA_EXT_DATA_ENTRY(zvkb, PRIV_VERSION_1_12_0, ext_zvkb), ISA_EXT_DATA_ENTRY(zvkg, PRIV_VERSION_1_12_0, ext_zvkg), diff --git a/target/riscv/cpu_cfg_fields.h.inc b/target/riscv/cpu_cfg_field= s.h.inc index 59302894af..353a932c36 100644 --- a/target/riscv/cpu_cfg_fields.h.inc +++ b/target/riscv/cpu_cfg_fields.h.inc @@ -104,6 +104,7 @@ BOOL_FIELD(ext_zvfbfmin) BOOL_FIELD(ext_zvfbfwma) BOOL_FIELD(ext_zvfh) BOOL_FIELD(ext_zvfhmin) +BOOL_FIELD(ext_zvfofp4min) BOOL_FIELD(ext_zvfofp8min) BOOL_FIELD(ext_smaia) BOOL_FIELD(ext_ssaia) diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c index ba89436f13..c095bc9efd 100644 --- a/target/riscv/tcg/tcg-cpu.c +++ b/target/riscv/tcg/tcg-cpu.c @@ -715,6 +715,11 @@ void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, = Error **errp) return; } =20 + if (cpu->cfg.ext_zvfofp4min && !cpu->cfg.ext_zve32f) { + error_setg(errp, "Zvfofp4min extension depends on Zve32f extension= "); + return; + } + if (cpu->cfg.ext_zvfh && !cpu->cfg.ext_zfhmin) { error_setg(errp, "Zvfh extensions requires Zfhmin extension"); return; @@ -738,6 +743,11 @@ void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, = Error **errp) } } =20 + if (cpu->cfg.ext_zvfofp4min && !cpu->cfg.ext_zve32f) { + error_setg(errp, "Zvfofp4min extension depends on Zve32f extension= "); + return; + } + if ((cpu->cfg.ext_zdinx || cpu->cfg.ext_zhinxmin) && !cpu->cfg.ext_zfi= nx) { error_setg(errp, "Zdinx/Zhinx/Zhinxmin extensions require Zfinx"); return; --=20 2.43.7