From nobody Fri Nov 1 07:30:20 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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=1708082960; cv=none; d=zohomail.com; s=zohoarc; b=B5Hpym3YG5Y/nDlmn8IbcrCDj2HE1CFThQfMciRH1/cUNi2zhsjhjF5xWnt9mbhUDh9lvaP1oojAC2kx0jGAZ7ab2Z8Jbgn1r1X+3LVBrlmfJ+XzpV9t44gZpMe+KNW8EQrQoubasK3Xr5+RV2lzDBkhPgkichOrO4YMvRoJl3A= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1708082960; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=1pILAc4QGfEWQVoqeGm6TwPW8gXNmDL3KNUvGgdYo3Y=; b=FQ2mb7cC9MHHGwJO5nBSc/z3EM2c5vxBzT261zugR/BOHlCjN03clZhwFCvIyy2tK2bwS8itfCUxgjky8DKqsG6LlhpCtXdwXMeFQPJRTaysOSnfu9DJe0uxVmwqK+l4/xvtsIBLlx01xy46z9Dw96zN5RyK1AItELVI3d1zLPQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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 1708082959574809.1575731895027; Fri, 16 Feb 2024 03:29:19 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rawOG-0006Sq-JA; Fri, 16 Feb 2024 06:28:24 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rawOE-0006RS-9k for qemu-devel@nongnu.org; Fri, 16 Feb 2024 06:28:22 -0500 Received: from mail-pl1-x630.google.com ([2607:f8b0:4864:20::630]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rawOB-0005pp-8n for qemu-devel@nongnu.org; Fri, 16 Feb 2024 06:28:21 -0500 Received: by mail-pl1-x630.google.com with SMTP id d9443c01a7336-1db51e55023so12239055ad.1 for ; Fri, 16 Feb 2024 03:28:18 -0800 (PST) Received: from grind.. ([177.94.15.159]) by smtp.gmail.com with ESMTPSA id z10-20020a1709028f8a00b001db7709b322sm2774053plo.298.2024.02.16.03.28.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Feb 2024 03:28:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1708082896; x=1708687696; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=1pILAc4QGfEWQVoqeGm6TwPW8gXNmDL3KNUvGgdYo3Y=; b=FpnUkGKf2DJkY+1eK9gurS5bw2ifmeY4Wh2Cppnhcc4hpZx+Q28a2jhd/6qE25whEH UlxN7R+XW37vIsHfGhyPeC4L8XwJHRuhqSTJu19/jcU1PshinK+VWwycKL+TJWYU1mzF ldBJMaYwo5d6I1/ILv4ELzTtxWsVkU8n+/qYSnmsckieQ7FnYkUUvK6o+uSX/h8qV9Di 2F2K+r7ipXjAhvbG03rjCby3Xd/C7XNAYxUeHsNpMvcq0SfaJsQ5iTA0pvGHZEDsayd7 pm7MiEj89vh44NfajYCyFGEkiPKIX0hXoLiPoZxamUZTUgq3sAzEfmk1T6BOjRjAyvL5 G0eQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708082896; x=1708687696; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=1pILAc4QGfEWQVoqeGm6TwPW8gXNmDL3KNUvGgdYo3Y=; b=R/Qj3q5gIaGBZO/ZBGj0dnHY28wzT2cQ82qL9icRZspcNkZG9oqDQ60b9cUv6iOx4M 4jveOrm8vSeoZyrv6N9F9LbxMDIRoCAKbV3+CFD+0/2u94wEJRerlO43llcQ2IoYvwEh qSbRBDD2u1UVHlBCsJo9MZsYyXg26IWM8lJ8EhKJlOyh9+bL9k99ThO7ZNNx0yI2IwYX Zr1jn37HfBmekOUfKtjczvdNEQZt7jiPb4+vcxx2hUQkRDzWwi2XD4BwNL6qf6UnvEGW 6XGImtDRx8gvqoON61WlisEe5nhtyWtogEUXOej2aJ0i8PhTi4j0/+e2qpJcurgDbhSP f6fQ== X-Gm-Message-State: AOJu0YxYhifqrkUvbdfZMHL1MfJlAlHn/RJUWWs8g8Y6MKkyysLU3ANZ 3AEHtnAcDIm1BXR8EUXBCw5YAiSZG+SZtZOmIgg2HrJ3Zkif7JKjofFBfzAUgrSCFqpTcOEAIJ2 b X-Google-Smtp-Source: AGHT+IFUOdi96sWmIdFQJxadU+Qz8USlZNxaF4IIWOGNOXWCP5VIHmHpn+jvtbvyxF7C0ewPdxM3hA== X-Received: by 2002:a17:902:d4c8:b0:1d9:dfa1:e4ee with SMTP id o8-20020a170902d4c800b001d9dfa1e4eemr6055960plg.25.1708082896568; Fri, 16 Feb 2024 03:28:16 -0800 (PST) From: Daniel Henrique Barboza To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, alistair.francis@wdc.com, bmeng@tinylab.org, liwei1518@gmail.com, zhiwei_liu@linux.alibaba.com, palmer@rivosinc.com, richard.henderson@linaro.org, max.chou@sifive.com, Daniel Henrique Barboza Subject: [PATCH 1/3] trans_rvv.c.inc: write CSRs must call mark_vs_dirty() too Date: Fri, 16 Feb 2024 08:28:04 -0300 Message-ID: <20240216112806.997948-2-dbarboza@ventanamicro.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240216112806.997948-1-dbarboza@ventanamicro.com> References: <20240216112806.997948-1-dbarboza@ventanamicro.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::630; envelope-from=dbarboza@ventanamicro.com; helo=mail-pl1-x630.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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1708082962830100006 Content-Type: text/plain; charset="utf-8" In the Vector spec section 3.2 [1]: "When mstatus.VS is set to Initial or Clean, executing any instruction that changes vector state, including the vector CSRs, will change mstatus.VS to Dirty." ldst_us_trans(), ldst_stride_trans(), ldst_index_trans() and ldst_whole_trans() will change vector state regardless of being a store op or not. Stores will set env->vstart to zero after execution (see vext_ldst_us() in vector_helper.c), and this is vector CSR state change. [1] https://github.com/riscv/riscv-v-spec/blob/master/v-spec.adoc#vector-st= art-index-csr-vstart Fixes: 8e1ee1fb57 ("target/riscv: rvv-1.0: add translation-time vector cont= ext status") Signed-off-by: Daniel Henrique Barboza --- target/riscv/insn_trans/trans_rvv.c.inc | 19 ++++--------------- 1 file changed, 4 insertions(+), 15 deletions(-) diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_tr= ans/trans_rvv.c.inc index 9e101ab434..044c9c903e 100644 --- a/target/riscv/insn_trans/trans_rvv.c.inc +++ b/target/riscv/insn_trans/trans_rvv.c.inc @@ -638,10 +638,7 @@ static bool ldst_us_trans(uint32_t vd, uint32_t rs1, u= int32_t data, =20 fn(dest, mask, base, tcg_env, desc); =20 - if (!is_store) { - mark_vs_dirty(s); - } - + mark_vs_dirty(s); gen_set_label(over); return true; } @@ -799,10 +796,7 @@ static bool ldst_stride_trans(uint32_t vd, uint32_t rs= 1, uint32_t rs2, =20 fn(dest, mask, base, stride, tcg_env, desc); =20 - if (!is_store) { - mark_vs_dirty(s); - } - + mark_vs_dirty(s); gen_set_label(over); return true; } @@ -906,10 +900,7 @@ static bool ldst_index_trans(uint32_t vd, uint32_t rs1= , uint32_t vs2, =20 fn(dest, mask, base, index, tcg_env, desc); =20 - if (!is_store) { - mark_vs_dirty(s); - } - + mark_vs_dirty(s); gen_set_label(over); return true; } @@ -1104,9 +1095,7 @@ static bool ldst_whole_trans(uint32_t vd, uint32_t rs= 1, uint32_t nf, =20 fn(dest, base, tcg_env, desc); =20 - if (!is_store) { - mark_vs_dirty(s); - } + mark_vs_dirty(s); gen_set_label(over); =20 return true; --=20 2.43.0