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[2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b62ce55205csm844202a12.18.2025.10.02.20.28.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Oct 2025 20:28:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1759462127; x=1760066927; 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=bhxBjl9dnV1s4sWgaM9fEYlOc+gZAvu50RmyzHsZFQ4=; b=OFC6a2QEcT3t41rGcrw8XLt44cfuQ0A8zuQl1jVmO4xMhwCvEvBb/tDUvIiPuboL42 sHKw8Ux7kAIQnzix8Dve4xDJqNsIzYyddkMkL3YDr6PmK0uWscRnfGgV8Ru8fDMuVbPh 1ZrHlfr65sHviy8BVX8k07/YE741F8ERLw6K7NbQR3hdkGk/4M5dqeST9kVDI9qfD+x5 tDmGGvZBY1inl57fF6FlceETllNr3bUgiN1ZXb5Sb8rKajePQ8RuAdyjumVUZFPtKSvO NiGVFLuE0TYycWbrKmZapUQc9uA1l9Y9/AE8pAXrESC3KsUYyR2YwTOAdd72MEyY0EbN DxRw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759462127; x=1760066927; 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=bhxBjl9dnV1s4sWgaM9fEYlOc+gZAvu50RmyzHsZFQ4=; b=GMPYNAxtZ+7a3zFoP0F3RRHosGWSeftybPvQtjyy57qQy3cZywxo3gKGSM+doxjjbC l3+tn2fky31E2tJUkWWfww4xuuIWpPSQ3wT6DB598SnN2XIKXPLZgGW3KbfAe98WLcFW KDgF25zW9I04/4+40grdalYnkFFQE7pDGrLhkjy2KtxWY/9MwBH6Nbsl+ecFuq4e+f80 k53Tgusr2GdzmcgSu+yTQ26wBJBOO2hRXMs7dnYRaFpzwnNvGQgJ2JRxXEz3A2QcREiy KBZbC6tA7anOwJ3nXj5U8VaU3RjKkqh8zXVAqGpH3NyBrtgiUXvf0yK89UfnmZe+THDb Lmkw== X-Gm-Message-State: AOJu0YwGORggL/OvKAmTUzFAgQ4cDJeJ4rl25ziv/A04MrigXAu7/s4N LDTuDqlWGc1TU4kZvvGSNbQTt5yWvSOvqRskPXvcci74RYpdBrW9w6G/qUEkrA== X-Gm-Gg: ASbGncvepiZEQeqIrvELtT5o+2ciJFIBkhf5TuJkBbK6PWiCIPvSc5h6Cyd7t4Wpgas etqzHVN6jpBRFu13f7jQ6Kl1iy2EL/Z7xjsPwq4lfRGMJLqxUbJ/JsuHC4ZwZnfxaIt6TZZn5y5 +a+bEH7UroRENnF7M8KmRsuHxdobguOCOWJxRCvbcROAsjunfOlRMSD0FCB3/eHmb99QvUuFNjI GCuFZ6jOtoFbMuF+DzFE7ROVQ4U7miM5zJr3XSAaEplyK/RQw/23YoOlEUd1ofxLdOFfM5405DO 2Iiej3OtNmNmyloc7d/Z7NNTrcOdh85aphUDYBPlBukg/qUW6/i7C6HWY7MHo6bavEvim7DM6pB yfnGF0FQajukLCVUXF1ErmgBBmnXZKQFilOvgN+6PzbzVMe+aaaTFrNHhMkX0vQOyiSnZr5v3VQ UFSt02OddMp2oRvbQxDcVyUw5/NX3dfefxZiL91MYmSQb3669w2Hdl X-Google-Smtp-Source: AGHT+IGQ+dWxdlyOjGc/Mqvw3Y/FIbqUO4ta+pa2enjq2GROPh8iADP40Lf4gMe6cZVvWh/6ff3SVw== X-Received: by 2002:a05:6a21:e083:b0:2ac:7445:4947 with SMTP id adf61e73a8af0-32b61d6ffc7mr2021095637.19.1759462126528; Thu, 02 Oct 2025 20:28:46 -0700 (PDT) From: alistair23@gmail.com X-Google-Original-From: alistair.francis@wdc.com To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Max Chou , Alistair Francis Subject: [PULL 21/26] target/riscv: rvv: Replace checking V by checking Zve32x Date: Fri, 3 Oct 2025 13:27:13 +1000 Message-ID: <20251003032718.1324734-22-alistair.francis@wdc.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251003032718.1324734-1-alistair.francis@wdc.com> References: <20251003032718.1324734-1-alistair.francis@wdc.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::436; envelope-from=alistair23@gmail.com; helo=mail-pf1-x436.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 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, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, 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 @gmail.com) X-ZM-MESSAGEID: 1759462219727116600 Content-Type: text/plain; charset="utf-8" From: Max Chou 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 Reviewed-by: Alistair Francis Message-ID: <20250923090729.1887406-2-max.chou@sifive.com> Signed-off-by: Alistair Francis --- 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 d055ddf462..a877018ab0 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 ea36eccb3d..5c91658c3d 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -2005,7 +2005,8 @@ 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 51e0567ed3..18d790af0d 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 b63de8dd45..c499f9b9a7 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 143ab079d4..b3b7f14503 100644 --- a/target/riscv/tcg/tcg-cpu.c +++ b/target/riscv/tcg/tcg-cpu.c @@ -661,7 +661,7 @@ 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 2.51.0