From nobody Mon Feb 9 23:01:40 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1635498868853172.73380861702412; Fri, 29 Oct 2021 02:14:28 -0700 (PDT) Received: from localhost ([::1]:36242 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mgNxz-0004IJ-Ob for importer@patchew.org; Fri, 29 Oct 2021 05:14:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34118) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mgNk2-0004mb-JV for qemu-devel@nongnu.org; Fri, 29 Oct 2021 05:00:02 -0400 Received: from mail-pl1-x631.google.com ([2607:f8b0:4864:20::631]:35329) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mgNjz-0004XV-GR for qemu-devel@nongnu.org; Fri, 29 Oct 2021 05:00:02 -0400 Received: by mail-pl1-x631.google.com with SMTP id n18so6424386plc.2 for ; Fri, 29 Oct 2021 01:59:59 -0700 (PDT) Received: from localhost.localdomain ([2402:7500:46b:ce55:983b:6962:38ac:e1b9]) by smtp.gmail.com with ESMTPSA id t13sm5081477pgn.94.2021.10.29.01.59.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 Oct 2021 01:59:57 -0700 (PDT) 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 :mime-version:content-transfer-encoding; bh=ua2R+2dkAoBHDORfNb7qNaS3lWgdeuZeqFSpPuYBQcM=; b=QpltkP8BH4ObMsPpXwDOSw83dPrkG6AlW8l+a1375ljRaLLM+C6IuNrJLd+vcvyJ9a u1B/QgacW2Ecm276Cd0K/PozKJtbxPCr09DlpPfIBBrgCZYtIMilfbfAk8a70e1B2ab8 rdFCBqp6sRqmX9BMZ4ARLJgYsIDkQDpT1u+8e6d7lszCRJ/eGy+qTJPlLJenTV+ihfjI 7ehqvuROtTY9wIqxqIilZmK9xXeWi0fst7ez8rf/rsxf0aG/qRfdE9/nDoVT6MH1w4Ym BPz2qVZCaZVKkMkj0Z3Q0BrTSXYK6D9ztdmwKyitnevjIO5TT+eBAvmDr67Jmpp05SUI J+bg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ua2R+2dkAoBHDORfNb7qNaS3lWgdeuZeqFSpPuYBQcM=; b=OUvOiXoUhBvFUxSO3J09cRLI/a+jli09pPQRv+dzXrko0WxLS35NRTuZMiTfaFIEaD eQZpFSTxMWleYc6egCLGIR1Cg/JrR8OQde7vbbansnyyruUiW4fZIrPua7XRYRLnyCL7 BNJa1hEcHSlZ3+Fs4JAfVURpjDvbR7NYXtSba/3hIlBpWHgYAoytaV+JXKhAKLB9Pfm1 Eogw20XaGfajSiw+hXLlKX43/i423kO1i5h8aB7qAnjYi8wHU6n714tFuzMGDV2aP5oQ YcOJcZaaVVSBOPb9YRpprmSNssfjlzt9sZ6YU2/P8z3RE8yAwdsY5rMYrG/kU9ypyDJk nDfA== X-Gm-Message-State: AOAM5318S0RD5ddIYm7v8H5pb6evNWpVFacZDVFlgDQBsrjy7ZRTN3K4 8VK8lrHaiH1RsDDbS4B/XeCTwWqQr0HfqrAu X-Google-Smtp-Source: ABdhPJxBLui/yYXjBTS57bdDbFK8IVga9ZLH3gpSPo/SkjJuL9r1OV9eCJ1FqoebkxyUm46GqI0raQ== X-Received: by 2002:a17:90a:9906:: with SMTP id b6mr18244270pjp.180.1635497998107; Fri, 29 Oct 2021 01:59:58 -0700 (PDT) From: frank.chang@sifive.com To: qemu-devel@nongnu.org Subject: [PATCH v9 08/76] target/riscv: rvv-1.0: remove rvv related codes from fcsr registers Date: Fri, 29 Oct 2021 16:58:13 +0800 Message-Id: <20211029085922.255197-9-frank.chang@sifive.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211029085922.255197-1-frank.chang@sifive.com> References: <20211029085922.255197-1-frank.chang@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::631; envelope-from=frank.chang@sifive.com; helo=mail-pl1-x631.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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-riscv@nongnu.org, Frank Chang , Bin Meng , Richard Henderson , Alistair Francis , Palmer Dabbelt Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1635498869927100001 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 bc149add6ce..c522260986c 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 RISCVException 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_ext & RVV)) { - return RISCV_EXCP_NONE; - } if (!env->debugger && !riscv_cpu_fp_enabled(env)) { return RISCV_EXCP_ILLEGAL_INST; } @@ -261,10 +257,6 @@ static RISCVException read_fcsr(CPURISCVState *env, in= t csrno, { *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 RISCV_EXCP_NONE; } =20 @@ -273,13 +265,8 @@ static RISCVException write_fcsr(CPURISCVState *env, i= nt csrno, { #if !defined(CONFIG_USER_ONLY) 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 RISCV_EXCP_NONE; } --=20 2.25.1