From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 52F51C18E5A for ; Mon, 9 Mar 2020 08:23:09 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2C30720848 for ; Mon, 9 Mar 2020 08:23:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2C30720848 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=c-sky.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:38188 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jBDgq-00087E-Bd for qemu-devel@archiver.kernel.org; Mon, 09 Mar 2020 04:23:08 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44129) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jBDfe-00063c-0P for qemu-devel@nongnu.org; Mon, 09 Mar 2020 04:21:55 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jBDfc-0007PB-IN for qemu-devel@nongnu.org; Mon, 09 Mar 2020 04:21:53 -0400 Received: from smtp2200-217.mail.aliyun.com ([121.197.200.217]:35323) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jBDfc-0007Ku-4w; Mon, 09 Mar 2020 04:21:52 -0400 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.09717409|-1; CH=green; DM=||false|; DS=CONTINUE|ham_system_inform|0.0359546-0.000358177-0.963687; FP=12030644411456161715|1|1|3|0|-1|-1|-1; HT=e02c03307; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=11; RT=11; SR=0; TI=SMTPD_---.GyTxIXp_1583742101; Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.GyTxIXp_1583742101) by smtp.aliyun-inc.com(10.147.41.137); Mon, 09 Mar 2020 16:21:42 +0800 From: LIU Zhiwei To: richard.henderson@linaro.org, alistair23@gmail.com, chihmin.chao@sifive.com, palmer@dabbelt.com Subject: [PATCH v3 01/60] target/riscv: add vector extension field in CPURISCVState Date: Mon, 9 Mar 2020 16:19:43 +0800 Message-Id: <20200309082042.12967-2-zhiwei_liu@c-sky.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200309082042.12967-1-zhiwei_liu@c-sky.com> References: <20200309082042.12967-1-zhiwei_liu@c-sky.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 121.197.200.217 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: guoren@linux.alibaba.com, qemu-riscv@nongnu.org, qemu-devel@nongnu.org, wxy194768@alibaba-inc.com, wenmeng_zhang@c-sky.com, Alistair Francis , LIU Zhiwei Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The 32 vector registers will be viewed as a continuous memory block. It avoids the convension between element index and (regno, offset). Thus elements can be directly accessed by offset from the first vector base address. Signed-off-by: LIU Zhiwei Acked-by: Alistair Francis Reviewed-by: Richard Henderson --- target/riscv/cpu.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 3dcdf92227..0c1f7bdd8b 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -64,6 +64,7 @@ #define RVA RV('A') #define RVF RV('F') #define RVD RV('D') +#define RVV RV('V') #define RVC RV('C') #define RVS RV('S') #define RVU RV('U') @@ -94,9 +95,20 @@ typedef struct CPURISCVState CPURISCVState; #include "pmp.h" +#define RV_VLEN_MAX 512 + struct CPURISCVState { target_ulong gpr[32]; uint64_t fpr[32]; /* assume both F and D extensions */ + + /* vector coprocessor state. */ + uint64_t vreg[32 * RV_VLEN_MAX / 64] QEMU_ALIGNED(16); + target_ulong vxrm; + target_ulong vxsat; + target_ulong vl; + target_ulong vstart; + target_ulong vtype; + target_ulong pc; target_ulong load_res; target_ulong load_val; -- 2.23.0