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[114.34.229.221]) by smtp.gmail.com with ESMTPSA id p11sm7083709pjb.31.2021.02.25.19.19.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Feb 2021 19:20:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=2T2I9B8Qr2i8UewrvMYg5J+k8mGCyY+FDehGaTqquBY=; b=eUuBmnpbgQ6EmG2IOt7jmHtirURAAC2NLtCc34GFKtzGGUUdUYezRWOnz1luVhPq8r jRD69ts3URwk1jBsTd39EezOmdWUojbpXWRLLoSZjPwMzAixC075do4GDPowtIyPO1CY qhk0mG7dQErwMVWEFVXEBK7IcRL5BbarXAulxjPO0couq2yBr8NdsRNO+WYEAiSqL00r 9B7AdfDBWEU6JTBqOZG2Ewzd9HVgvQT32GVauMTogzemRLFhxvY48zDmYJdrs082DIZq fxAvpErhWSollOkVSTYvWJm1Jg+ZpbHopAnAMQpJUfg+KnwW5wDrQut7rIcN0NyH3a0N ibeg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=2T2I9B8Qr2i8UewrvMYg5J+k8mGCyY+FDehGaTqquBY=; b=PjiTCLkdaQS5hQVnX7D763/LpyPAMdUE2f7G+FFZywfej0HbBk7wuezOnQ/C5WCuQS luNrDkWQ1zssxRPEkSxkAVSUVHgkbb1sGKe362AEuvXYI7U+FFDrTZHzozcKzfC4ysbj dhHLKYRfWx8J7kpq5JNxNTGcFQl1yuVjBmtoa7wqE49C5hkuybdQ/H8QXwZHsW3sSI02 2QJCFrncmhCmAZxX8pnNf7lrO6W+b0euLQWJgFpKXYhHljo4iIZ4G1gkmYygvALKh+n7 /3QNz8ZJx9XhVOWPmtSPeQ8S3ryJUgULqrVuDUo8XdlTWjtoyLr3/LV5408fxayZobv9 733g== X-Gm-Message-State: AOAM531IA2vR9mvP0ec9/QZHyCRY12Cb6WLNaYeIAjDp8VyU8JxfElHY fTFiLnQPfW8mwoZ0QkAOkK11bTlxu+2Fxg== X-Google-Smtp-Source: ABdhPJysNqmOAmrUu5wWnpsVLLLkqOaHdID6k+dkeeXEJdUkCNJLYf7prZqM8caKIx2xCYNLGFYLeA== X-Received: by 2002:a17:90b:4a47:: with SMTP id lb7mr1219338pjb.56.1614309600653; Thu, 25 Feb 2021 19:20:00 -0800 (PST) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v7 07/75] target/riscv: rvv-1.0: remove rvv related codes from fcsr registers Date: Fri, 26 Feb 2021 11:17:51 +0800 Message-Id: <20210226031902.23656-8-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210226031902.23656-1-frank.chang@sifive.com> References: <20210226031902.23656-1-frank.chang@sifive.com> 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::632; envelope-from=frank.chang@sifive.com; helo=mail-pl1-x632.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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Frank Chang , Alistair Francis , Palmer Dabbelt , Sagar Karandikar , Bastian Koppelmann Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Frank Chang * Remove VXRM and VXSAT fields from FCSR register as they are only presented in VCSR register. * Remove RVV loose check in fs() predicate function. Signed-off-by: Frank Chang Reviewed-by: Richard Henderson Reviewed-by: Alistair Francis --- target/riscv/csr.c | 13 ------------- 1 file changed, 13 deletions(-) diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 89867a93643..5152bb84261 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -38,10 +38,6 @@ void riscv_set_csr_ops(int csrno, riscv_csr_operations *= ops) static int fs(CPURISCVState *env, int csrno) { #if !defined(CONFIG_USER_ONLY) - /* loose check condition for fcsr in vector extension */ - if ((csrno =3D=3D CSR_FCSR) && (env->misa & RVV)) { - return 0; - } if (!env->debugger && !riscv_cpu_fp_enabled(env)) { return -RISCV_EXCP_ILLEGAL_INST; } @@ -246,10 +242,6 @@ static int read_fcsr(CPURISCVState *env, int csrno, ta= rget_ulong *val) #endif *val =3D (riscv_cpu_get_fflags(env) << FSR_AEXC_SHIFT) | (env->frm << FSR_RD_SHIFT); - if (vs(env, csrno) >=3D 0) { - *val |=3D (env->vxrm << FSR_VXRM_SHIFT) - | (env->vxsat << FSR_VXSAT_SHIFT); - } return 0; } =20 @@ -260,13 +252,8 @@ static int write_fcsr(CPURISCVState *env, int csrno, t= arget_ulong val) return -RISCV_EXCP_ILLEGAL_INST; } env->mstatus |=3D MSTATUS_FS; - env->mstatus |=3D MSTATUS_VS; #endif env->frm =3D (val & FSR_RD) >> FSR_RD_SHIFT; - if (vs(env, csrno) >=3D 0) { - env->vxrm =3D (val & FSR_VXRM) >> FSR_VXRM_SHIFT; - env->vxsat =3D (val & FSR_VXSAT) >> FSR_VXSAT_SHIFT; - } riscv_cpu_set_fflags(env, (val & FSR_AEXC) >> FSR_AEXC_SHIFT); return 0; } --=20 2.17.1