From nobody Tue Feb 10 09:28:29 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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 ARC-Seal: i=1; a=rsa-sha256; t=1591789600; cv=none; d=zohomail.com; s=zohoarc; b=IGH00MKBBKsIPcZXcjRKNA8yptXxpgrz7X6SLJD5cXVSVZOSVF/E/zvhtSaci3aRBODQIT0BruFwOrpbY0wf3SO91wk8Jc/j5HmbH6TRgikG0ifSR6Oh825KqcIrbYOVQNqLWDzBs1TSMq25e++aGgbLnp8Ay0/tV+QAdPL5Gio= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1591789600; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=LRYx8RCdEmf9NtigUi+u1VhhyCR4P30G+yo0KDjzMxw=; b=P08Q1E3tPMEgkvnmtPRuXtFczZW7EQ8IuuoJO4MeTietiAYBNqErx/FyqZuwuxQGhyMmHGIGEo0y3Olr2wWTj1hqabOPjOqAR4tntpwXDT7EOBPGO2ulg3PAXR9Cp6ZiGZBU45rnZCuk/9kKvHfc5q+FlXQJAAELb4VxBEbZpD4= ARC-Authentication-Results: i=1; mx.zohomail.com; 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 1591789600689276.1260967040704; Wed, 10 Jun 2020 04:46:40 -0700 (PDT) Received: from localhost ([::1]:48138 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jizBn-0003L5-Ce for importer@patchew.org; Wed, 10 Jun 2020 07:46:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41202) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jiz7G-0007lp-D1; Wed, 10 Jun 2020 07:41:59 -0400 Received: from smtp2200-217.mail.aliyun.com ([121.197.200.217]:36082) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jiz7E-00086r-Rx; Wed, 10 Jun 2020 07:41:58 -0400 Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.HkZIwam_1591789312) by smtp.aliyun-inc.com(10.147.41.121); Wed, 10 Jun 2020 19:41:53 +0800 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.07505728|-1; CH=green; DM=|CONTINUE|false|; DS=CONTINUE|ham_alarm|0.0136442-0.000305345-0.98605; FP=0|0|0|0|0|-1|-1|-1; HT=e02c03305; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=9; RT=8; SR=0; TI=SMTPD_---.HkZIwam_1591789312; From: LIU Zhiwei To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v9 02/61] target/riscv: implementation-defined constant parameters Date: Wed, 10 Jun 2020 19:36:49 +0800 Message-Id: <20200610113748.4754-3-zhiwei_liu@c-sky.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200610113748.4754-1-zhiwei_liu@c-sky.com> References: <20200610113748.4754-1-zhiwei_liu@c-sky.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: none client-ip=121.197.200.217; envelope-from=zhiwei_liu@c-sky.com; helo=smtp2200-217.mail.aliyun.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/10 07:37:52 X-ACL-Warn: Detected OS = Linux 3.x [generic] [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, UNPARSEABLE_RELAY=0.001 autolearn=_AUTOLEARN 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: richard.henderson@linaro.org, wxy194768@alibaba-inc.com, wenmeng_zhang@c-sky.com, Alistair Francis , palmer@dabbelt.com, LIU Zhiwei Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" vlen is the vector register length in bits. elen is the max element size in bits. vext_spec is the vector specification version, default value is v0.7.1. Signed-off-by: LIU Zhiwei Reviewed-by: Alistair Francis Reviewed-by: Richard Henderson --- target/riscv/cpu.c | 7 +++++++ target/riscv/cpu.h | 5 +++++ 2 files changed, 12 insertions(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 3a6d202d03..1af79404fa 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -106,6 +106,11 @@ static void set_priv_version(CPURISCVState *env, int p= riv_ver) env->priv_ver =3D priv_ver; } =20 +static void set_vext_version(CPURISCVState *env, int vext_ver) +{ + env->vext_ver =3D vext_ver; +} + static void set_feature(CPURISCVState *env, int feature) { env->features |=3D (1ULL << feature); @@ -361,6 +366,7 @@ static void riscv_cpu_realize(DeviceState *dev, Error *= *errp) CPURISCVState *env =3D &cpu->env; RISCVCPUClass *mcc =3D RISCV_CPU_GET_CLASS(dev); int priv_version =3D PRIV_VERSION_1_11_0; + int vext_version =3D VEXT_VERSION_0_07_1; target_ulong target_misa =3D 0; Error *local_err =3D NULL; =20 @@ -384,6 +390,7 @@ static void riscv_cpu_realize(DeviceState *dev, Error *= *errp) } =20 set_priv_version(env, priv_version); + set_vext_version(env, vext_version); =20 if (cpu->cfg.mmu) { set_feature(env, RISCV_FEATURE_MMU); diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 0018a79fa3..302e0859a0 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -78,6 +78,8 @@ enum { #define PRIV_VERSION_1_10_0 0x00011000 #define PRIV_VERSION_1_11_0 0x00011100 =20 +#define VEXT_VERSION_0_07_1 0x00000701 + #define TRANSLATE_PMP_FAIL 2 #define TRANSLATE_FAIL 1 #define TRANSLATE_SUCCESS 0 @@ -113,6 +115,7 @@ struct CPURISCVState { target_ulong guest_phys_fault_addr; =20 target_ulong priv_ver; + target_ulong vext_ver; target_ulong misa; target_ulong misa_mask; =20 @@ -275,6 +278,8 @@ typedef struct RISCVCPU { =20 char *priv_spec; char *user_spec; + uint16_t vlen; + uint16_t elen; bool mmu; bool pmp; } cfg; --=20 2.23.0