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[114.35.142.126]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-329e23858ecsm5472278a91.14.2025.09.03.06.01.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Sep 2025 06:01:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1756904513; x=1757509313; 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=/wUrao0n4nWdP54HC/h+jX0z4mz8Yg3JgSDps2JrXvY=; b=ZNhdBP/GXQ58bOwQKroe7gQM39tsM/d6RGJJBh4Sk7Le2HRcZb050W/i8iwefQCX7l XVmjELH81Q8H5RW0ZoRvyQFnufPAhg4zyzrRrwaZPdoi09EieVPTrTG6kkeSHDA6Kve5 aepke5kMYW1oahyieR3Y8aDEz8Qr2DzDrnBT25/O5p1SoVZd3w44Y5ZjCdgsgbag690P RPpmaC+xfx013fwhj7JHEjeXvNEBA5HpTTewM+AhG5Bgun/hCiruHjBbbdPWVVBtuctF pgvcPJwKHW7rAsY9xhGz4I3zuQobaIrascETsWtpuBeBGczueO5ndMcm6nVfzxjMmH9w srNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756904513; x=1757509313; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=/wUrao0n4nWdP54HC/h+jX0z4mz8Yg3JgSDps2JrXvY=; b=taA2disHtKDvMTxmRUuA9Yd2kgL5ADXydrgmiiY7cOosDce5PacRWKmkVbTNr3NlNt kIgDA/DMfJp/8tzSDnD3nuaHjuvAtj8M5XVJ6xSUrNcRPynR/qvIUhq6LNHiTK5nqNU/ 79WdgnKFfG4vHFHzWcsEIziVXI2hkT/b6h3MVQfG14kSCBQP2+Gmio9r5ORP76ORsjCa BuX/cZaGufqCJJXfgis7+v56Ns9xe6wXHdLU13gHdTz2NnSkfaC6GN7I3vng7oZfkpZ1 urcOF2ZbSFoc32GpURXXbVbZxkFdIffmjfWQO1UiZABNWml7v2XvyEXPQ3VTXrUn6nA7 dLEQ== X-Gm-Message-State: AOJu0YyxEggKhp5Yzx+2JgXyR9hzHbscGKOljGYB9HQKGV8/VF5xdM7T q+yTbjtgNnow/e6Xu4pilsC6+mNHXOZZEC+/U2OrO8YFgKPrLPPtHQIXd6bz2tMkR7+UGSJsSVo 2UIEV7lvJCSXPZ4458XTiLJSE6+S8C2v79cWaYUbdCwPtaNo6eTrleJXMZ+NP8heX8wACmwSHw+ dFsAVe7ShedtOhJzzhzM+dKevqAOCDl2REEG1jQ4M6KQ== X-Gm-Gg: ASbGnctWzKc2T1sl5yexR4U2W0Uwc0XjoWFtrxCXGU784EUiYXLe0MtQeyal/hFnVAR bz165RKVfuzLmTYpQXmyGP7RILfhKviho6FSnRx1QZMqeAU4OK1/gTtw1bivBkRRZN5jUWM6Fj0 1Duxwu8PUg83ri990mX0dabXaHTVGK07o8XMiiiIh31tM/zvpwkGg4peG9USBLOk/337Sy5dS6g XiIDN+7IXNUBW6fu9w4Yy71UQ6FY2tJWI0DrkKdJIyTRMQ377Cp4BuuuS+QZfCGdc/VMz7+RMbj 16gfdY6CSphrSgbEnKpPutVCdPIlROY5qRQeCY6Jkvp0r7Ex3V/OydiG6YRf3EGSiHV/ZSOUkbF NMveKghUGp6b908yzaVU+BA/vtuQAkx7/su5ydFJAzq/ocqDR5we0N+oqhG8r5F+ou0A= X-Google-Smtp-Source: AGHT+IF04fZRraKA5pbdEXcMOb+/stKUasWd/5GyeJaG5rQyVc9Ol6xSj1CoEMKSDL7JQRdnbegvUw== X-Received: by 2002:a17:90b:1848:b0:327:531b:b85c with SMTP id 98e67ed59e1d1-328156e38b4mr22913603a91.35.1756904512427; Wed, 03 Sep 2025 06:01:52 -0700 (PDT) From: Max Chou To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Palmer Dabbelt , Alistair Francis , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , richard.henderson@linaro.org, Max Chou Subject: [RFC PATCH v2 1/3] target/riscv: Add Zvqdotq cfg property Date: Wed, 3 Sep 2025 21:01:23 +0800 Message-ID: <20250903130125.1701363-2-max.chou@sifive.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250903130125.1701363-1-max.chou@sifive.com> References: <20250903130125.1701363-1-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 client-ip=2607:f8b0:4864:20::530; envelope-from=max.chou@sifive.com; helo=mail-pg1-x530.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=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-ZohoMail-DKIM: pass (identity @sifive.com) X-ZM-MESSAGEID: 1756904547625116600 Content-Type: text/plain; charset="utf-8" The Zvqdotq extension is the vector dot-product extension of RISC-V. Signed-off-by: Max Chou --- target/riscv/cpu.c | 1 + target/riscv/cpu_cfg_fields.h.inc | 1 + target/riscv/tcg/tcg-cpu.c | 5 +++++ 3 files changed, 7 insertions(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index d055ddf462..95edd02e68 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -187,6 +187,7 @@ const RISCVIsaExtData isa_edata_arr[] =3D { ISA_EXT_DATA_ENTRY(zvksg, PRIV_VERSION_1_12_0, ext_zvksg), ISA_EXT_DATA_ENTRY(zvksh, PRIV_VERSION_1_12_0, ext_zvksh), ISA_EXT_DATA_ENTRY(zvkt, PRIV_VERSION_1_12_0, ext_zvkt), + ISA_EXT_DATA_ENTRY(zvqdotq, PRIV_VERSION_1_12_0, ext_zvqdotq), ISA_EXT_DATA_ENTRY(zhinx, PRIV_VERSION_1_12_0, ext_zhinx), ISA_EXT_DATA_ENTRY(zhinxmin, PRIV_VERSION_1_12_0, ext_zhinxmin), ISA_EXT_DATA_ENTRY(sdtrig, PRIV_VERSION_1_12_0, debug), diff --git a/target/riscv/cpu_cfg_fields.h.inc b/target/riscv/cpu_cfg_field= s.h.inc index e2d116f0df..5da59c22d6 100644 --- a/target/riscv/cpu_cfg_fields.h.inc +++ b/target/riscv/cpu_cfg_fields.h.inc @@ -100,6 +100,7 @@ BOOL_FIELD(ext_zvfbfmin) BOOL_FIELD(ext_zvfbfwma) BOOL_FIELD(ext_zvfh) BOOL_FIELD(ext_zvfhmin) +BOOL_FIELD(ext_zvqdotq) BOOL_FIELD(ext_smaia) BOOL_FIELD(ext_ssaia) BOOL_FIELD(ext_smctr) diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c index 78fb279184..7015370ab0 100644 --- a/target/riscv/tcg/tcg-cpu.c +++ b/target/riscv/tcg/tcg-cpu.c @@ -767,6 +767,11 @@ void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, = Error **errp) return; } =20 + if (cpu->cfg.ext_zvqdotq && !cpu->cfg.ext_zve32x) { + error_setg(errp, "Zvqdotq extension requires V or Zve* extensions"= ); + return; + } + if ((cpu->cfg.ext_zvbc || cpu->cfg.ext_zvknhb) && !cpu->cfg.ext_zve64x= ) { error_setg( errp, --=20 2.39.3