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[114.35.142.126]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-269800530b7sm157486245ad.18.2025.09.23.02.07.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Sep 2025 02:07:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1758618465; x=1759223265; 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=mVUbUh+p0V/TFtbOwMijOTMj5DCFHWZt7c1UjlK2bdk=; b=dIxMOlHPIjbLFbnl0JF8zB6xIpRI/ZmD1xWyQAB2mWnDSNDe1l7I5HEsiIfLQZWxcS JxelFE7jAY6O0NaYa6erZFivTycn8TasFAzY1hw+xvytrvYKnhMZ7e9DIpaEn3KBdiJz r/N4MgQCnDyjyX1Ncl94WEClzL8p0i7Tj4N05O85E6cUHAe8cMKkSX85etWtHaEwK/p7 JBauzsTHZgc6OVBXAO1UsJ8c3pmXIClLAeCqMPnq4DnIPmKLozCD0GauRHMSzxzqa1nC apyS2D6AKiyNlkQGcDa1ptev7+pLebhaWFE5yFBl5b0ZgKzNjG+0lA7d7rnBwwZho/2Y KBNA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758618465; x=1759223265; 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=mVUbUh+p0V/TFtbOwMijOTMj5DCFHWZt7c1UjlK2bdk=; b=bRYQoESgiMYSL096CwatsDvwmpG4izCa5dJOGiawfcFVwtAXVllaugUFWwlbygm/9c EKK2TBaqgAZuUowiKUu2N0vM+fVadZ1DfO8y9yQE4Emr6nYUDR6quFMZw6TBESEbLCAY dZEpd/CrwZdNtgLSYPXHwSnsvRxmo0UPQ5S31WmrOtJvpbNFN+E91XyQbLcZQUnfT4td d7+EoBT7NDVqSxjwaMRnM9XJp8fkGR8TXi/bgnpfuKuhQ5EuuH9PnxnUfsHDSzrakUrc k60zESGgvNC5xbigjh+zvqo/upDiqutwT1VIYzGVPBDykFJwHqzR0Vm55SxB83/Vwn// 1Rhw== X-Gm-Message-State: AOJu0YzNpX4lGY2tMJ45TbeM/cNVCoN29eaNkHysd8n9w/A9jMoTm9+1 evYZZ5n66cF2v6fq9gJ0DAg4PKNaCHU/dlhwPqkBTysTXVbV2jzPUwfEU8rM/cUuM2A40i78yuv Y0vzI5hQXQ8+eoHdQsmrysU+CXcZymiE/WyOiZSNeSY2QhAoHKgqlzPzDdHseCec0nCJtQ0FKCH BGU5gRvPsuBFcKkn4qCtipSSDUfsw8OfXI3ueFJ1wCTQ== X-Gm-Gg: ASbGncto0AcQmM22XimaXA0yC5EvsKPShg/h8rgKVoWDgQjkj14xEiWTncTnH/SDJhk EXW1TjOSvAYqQUyswuNRtBTHsumvAVSvKP2kO+9fYqEiT1ENtG/XG/WUq1NrB5gcMhyNdvxtnyY HJls+rJ0ghjTYwuvlEvFUM/AzXiEgpVnKh0/tcdTLFdKdbZISBE4d+w2+7sANAvL42bbz6Bdn9G 4RXcVg1Y4OXfOiHjjRP18gMu8IHONlZh6qfeOpO6QnO9Jq2vVb7/8MgSQPOjbL54LzXJ96+60xR ZsxALwwhdM1CBB6CMBM0w7k5y0rGG9rECmLxJe24JciRp/zLgexybUTZ4hqhqrrehn5Zo/+wJJa tLqdJtFPjDKvyq6sDUrGFbFgkdj4DAamDZ2GJ26XqmXLzGanq0HEXp/pVoM/4HpDQ6Po= X-Google-Smtp-Source: AGHT+IH0HGYt0OLrYmtk36qbGMZhiHT4q4BbXeAsHwFLTf4BeZps/s1OP3xsgpappQTpRTIPnHGIGQ== X-Received: by 2002:a17:903:32cd:b0:279:b2cf:26b0 with SMTP id d9443c01a7336-27cdaa73cf8mr23390985ad.14.1758618464657; Tue, 23 Sep 2025 02:07:44 -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 , Max Chou Subject: [PATCH v2 1/2] target/riscv: rvv: Replace checking V by checking Zve32x Date: Tue, 23 Sep 2025 17:07:28 +0800 Message-ID: <20250923090729.1887406-2-max.chou@sifive.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250923090729.1887406-1-max.chou@sifive.com> References: <20250923090729.1887406-1-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::52d; envelope-from=max.chou@sifive.com; helo=mail-pg1-x52d.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: 1758618558397116600 Content-Type: text/plain; charset="utf-8" The Zve32x extension will be applied by the V and Zve* extensions. Therefore we can replace the original V checking with Zve32x checking for b= oth the V and Zve* extensions. Signed-off-by: Max Chou --- target/riscv/cpu.c | 2 +- target/riscv/csr.c | 3 ++- target/riscv/machine.c | 3 ++- target/riscv/riscv-qmp-cmds.c | 2 +- target/riscv/tcg/tcg-cpu.c | 2 +- 5 files changed, 7 insertions(+), 5 deletions(-) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index d055ddf4623..a877018ab0c 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -604,7 +604,7 @@ static void riscv_cpu_dump_state(CPUState *cs, FILE *f,= int flags) } } } - if (riscv_has_ext(env, RVV) && (flags & CPU_DUMP_VPU)) { + if (riscv_cpu_cfg(env)->ext_zve32x && (flags & CPU_DUMP_VPU)) { static const int dump_rvv_csrs[] =3D { CSR_VSTART, CSR_VXSAT, diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 8842e07a735..5824928d954 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -2004,7 +2004,8 @@ static RISCVException write_mstatus(CPURISCVState *en= v, int csrno, if (riscv_has_ext(env, RVF)) { mask |=3D MSTATUS_FS; } - if (riscv_has_ext(env, RVV)) { + + if (riscv_cpu_cfg(env)->ext_zve32x) { mask |=3D MSTATUS_VS; } =20 diff --git a/target/riscv/machine.c b/target/riscv/machine.c index 51e0567ed30..18d790af0d0 100644 --- a/target/riscv/machine.c +++ b/target/riscv/machine.c @@ -131,7 +131,8 @@ static bool vector_needed(void *opaque) RISCVCPU *cpu =3D opaque; CPURISCVState *env =3D &cpu->env; =20 - return riscv_has_ext(env, RVV); + return kvm_enabled() ? riscv_has_ext(env, RVV) : + riscv_cpu_cfg(env)->ext_zve32x; } =20 static const VMStateDescription vmstate_vector =3D { diff --git a/target/riscv/riscv-qmp-cmds.c b/target/riscv/riscv-qmp-cmds.c index b63de8dd457..c499f9b9a7d 100644 --- a/target/riscv/riscv-qmp-cmds.c +++ b/target/riscv/riscv-qmp-cmds.c @@ -342,7 +342,7 @@ int target_get_monitor_def(CPUState *cs, const char *na= me, uint64_t *pval) } =20 if (reg_is_vreg(name)) { - if (!riscv_has_ext(env, RVV)) { + if (!riscv_cpu_cfg(env)->ext_zve32x) { return -EINVAL; } =20 diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c index 78fb2791847..a6f60f55ceb 100644 --- a/target/riscv/tcg/tcg-cpu.c +++ b/target/riscv/tcg/tcg-cpu.c @@ -660,7 +660,7 @@ void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, E= rror **errp) return; } =20 - if (riscv_has_ext(env, RVV)) { + if (cpu->cfg.ext_zve32x) { riscv_cpu_validate_v(env, &cpu->cfg, &local_err); if (local_err !=3D NULL) { error_propagate(errp, local_err); --=20 2.43.0