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[114.34.229.221]) by smtp.gmail.com with ESMTPSA id p11sm7083709pjb.31.2021.02.25.19.20.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Feb 2021 19:20:08 -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=v1ggcaqo1bFSuMB/XGGtqzKmLGCk3xetAn+DZVRrMAA=; b=GGDqZSy6x0OjRIUJtO07ZL/DOnQvzmMvGqIYbccvfu3q56LsmRFh8EndUCslg+lqC0 Ymy2q1l+whJyYdyDux2IIBveO058b4F4u3JsYTSpLWPcvOQi+PBsCF/7MV/NgAt3e/d1 Yl0wk2ktyoWCOdoC2WmcYsyO3DusNfDkWeWWzaT35njl8juZnh6kYaWOnDWuieODM5bi zGoVGiVHCEpraTtkrIJ1V984GB4EShcVOZiqsWxUYNUUNu+BPn9WnXoX1i9oYexqnsSH L0DvTDPY9YTrKmKoU9ePcr2TnqBph/YcS+QG2ZdEIr3jhYbxQON2E5xcx5eYaWMLjWUp H6fQ== 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=v1ggcaqo1bFSuMB/XGGtqzKmLGCk3xetAn+DZVRrMAA=; b=oe9EyVXjAGaxtJhOv5xuo8Y+b9VSh99Ou0j4Z1vSbmlyM8oGVcmYZigxXqahfKum83 xNmZTXJfTShp4lQGDUgunqWbGlbxlVgj4ZsFKUnSkBBi7INuwHimT2/dgnoUBBwk/sIQ VCeenKhr2sZx39PTSTMiV6guO9RrFS5IdqCMyercLyrcZls42hTEptjYzSfbgQhQ/xBn gIhYF6B2N/gfVFI1jm04G55lHmsMoC/o8DH8smkF/epTInS3RvQNSD7p8yXEHk3YDpKW 9iWoWqwl9d00DWcK05Qoo19gzm5WlRxzb26OSd69HcjF90GhmgByh44aS7i4WIA/rMJe NGXQ== X-Gm-Message-State: AOAM532akfhOsPFM8xekzJ7ZYT2bi+aTBJOuHvdQVm8FGxdOAd3oQ34G fnfPnIkt7if/fWYCnSR3IxExC/xpQtQHpw== X-Google-Smtp-Source: ABdhPJxxkzXAEFGNwP0thE0x3pCPngKynqTRF6+GaW6EMrsVV9PYO/JM+z1ue6NxFnkaCBWtlUQORA== X-Received: by 2002:a62:170a:0:b029:1ed:cc98:35aa with SMTP id 10-20020a62170a0000b02901edcc9835aamr905082pfx.77.1614309608377; Thu, 25 Feb 2021 19:20:08 -0800 (PST) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v7 09/75] target/riscv: rvv-1.0: add vlenb register Date: Fri, 26 Feb 2021 11:17:53 +0800 Message-Id: <20210226031902.23656-10-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::434; envelope-from=frank.chang@sifive.com; helo=mail-pf1-x434.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: Sagar Karandikar , Frank Chang , Bastian Koppelmann , Alistair Francis , Greentime Hu , Palmer Dabbelt 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: Greentime Hu Signed-off-by: Greentime Hu Signed-off-by: Frank Chang Reviewed-by: Richard Henderson Reviewed-by: Alistair Francis --- target/riscv/cpu_bits.h | 1 + target/riscv/csr.c | 7 +++++++ 2 files changed, 8 insertions(+) diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h index 03a26fa680c..1df818ec6a6 100644 --- a/target/riscv/cpu_bits.h +++ b/target/riscv/cpu_bits.h @@ -63,6 +63,7 @@ #define CSR_VCSR 0x00f #define CSR_VL 0xc20 #define CSR_VTYPE 0xc21 +#define CSR_VLENB 0xc22 =20 /* VCSR fields */ #define VCSR_VXSAT_SHIFT 0 diff --git a/target/riscv/csr.c b/target/riscv/csr.c index f70b67cce3c..92cf2eedd40 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -264,6 +264,12 @@ static int read_vtype(CPURISCVState *env, int csrno, t= arget_ulong *val) return 0; } =20 +static int read_vlenb(CPURISCVState *env, int csrno, target_ulong *val) +{ + *val =3D env_archcpu(env)->cfg.vlen >> 3; + return 0; +} + static int read_vl(CPURISCVState *env, int csrno, target_ulong *val) { *val =3D env->vl; @@ -1412,6 +1418,7 @@ riscv_csr_operations csr_ops[CSR_TABLE_SIZE] =3D { [CSR_VCSR] =3D { "vcsr", vs, read_vcsr, write_vcsr }, [CSR_VL] =3D { "vl", vs, read_vl }, [CSR_VTYPE] =3D { "vtype", vs, read_vtype }, + [CSR_VLENB] =3D { "vlenb", vs, read_vlenb }, /* User Timers and Counters */ [CSR_CYCLE] =3D { "cycle", ctr, read_instret }, [CSR_INSTRET] =3D { "instret", ctr, read_instret }, --=20 2.17.1