From nobody Tue Nov 26 13:20:10 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; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1707188861; cv=none; d=zohomail.com; s=zohoarc; b=LXoBf0ptPbfUpgIexNpVgo+A1THJ32JBKi4R4AV6YxW4OkkNpELkYENsMlAAGLPW4+FDCS08PbdjjGRSjkj/H/KggeD2PiIeVk8PuCgDwNPtwUpdJVzh6y3ReGFODMLrs7u28Wv6EOhPFQ04Z3QTpDAJsDKo3WdzVmVDUuWqYJU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1707188861; 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=E6bw+vo5JatBKfHw3dI0irsDkK5JENn8mMxMtSK3thY=; b=jBLkLAQ+DiNtT6NH3jG8DOKWk0iu/ZYq2cZEDGQAFQ1Luxs7Wq9tKcglRzIm2ww09C/NOPS59d3RDf1jZDYUa+MnSfK3O8/RTfojvBNhZDotlclglsyIqToId0McLeW2CQXexPfR2e4KdFJeq4kAPbc9WN1lAQx/6bTF01uz5yg= 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; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 17071888618358.800491695705432; Mon, 5 Feb 2024 19:07:41 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rXBmT-0006tJ-8t; Mon, 05 Feb 2024 22:05:53 -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 1rXBmR-0006sW-Kt for qemu-devel@nongnu.org; Mon, 05 Feb 2024 22:05:51 -0500 Received: from mail-pf1-x434.google.com ([2607:f8b0:4864:20::434]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rXBmC-0003Ci-Tf for qemu-devel@nongnu.org; Mon, 05 Feb 2024 22:05:51 -0500 Received: by mail-pf1-x434.google.com with SMTP id d2e1a72fcca58-6e04fd5e05aso106874b3a.0 for ; Mon, 05 Feb 2024 19:05:36 -0800 (PST) Received: from stoup.. ([43.252.112.200]) by smtp.gmail.com with ESMTPSA id r14-20020a62e40e000000b006e025030700sm627478pfh.190.2024.02.05.19.05.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Feb 2024 19:05:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1707188735; x=1707793535; 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=E6bw+vo5JatBKfHw3dI0irsDkK5JENn8mMxMtSK3thY=; b=ztsMqqUa5uQOI/phLa1S4y1yJ8B/sxXDQ0fwHY+8IfAtNMyeLVMjGpEW7leDPCCM7i iFRz5K7V49sNzyI4DY8tw5ED1zdsB/6pNefdEN1SGu7WwkgTl2cYK9ZRCiVC1kf7wrZx vIk2p0x6BkoXaZN0mXGX1I+1cA5qfolptwl5jZ8PnsKPw9KmJcOw5+xy1bzdx0gDmMHx l0Kbx+bqcLkuNhX0veSJod7Dk4g2tKA+Y7/Y+xRVMcdncrYohZ2+bD+IFu0X0+9Z9aiC 22PgSyXipKjCdpkKkscSa9bkKRouAHqC2ENeMGAw9GkDA6Wc1Ykp19oWrDLj38I3xoIi duKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707188735; x=1707793535; 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=E6bw+vo5JatBKfHw3dI0irsDkK5JENn8mMxMtSK3thY=; b=vPpPYY0gfpQG1xQncAWmGU+IlQnf6oTR1WY535OWms/z8OczvlPWqARPZs4p7X0wa9 irhDHLJmrzHUJiIvXT3eWJ77N7Tsz9+qvXD81OXvbQMf1IGpb6D8pmXD93R7/rDcybhO YSjsLl/0bfPdeWv3DIXPp+yKTLBOcxNR6gqPzoKHt9Oxo2KEIgGOkbHq+b/Jh3Gt1IVT W/Kx23I4ZcDfXcUaBo/WqP7x/SqTJXZQGyrc8CtLcoqWz+NhNGIIDqyXLkJIRmTojF0O iahDBJPp2uaAtVjetjJOg7JS+OGhkltpDRr4E0nFsBCmb3LY3lT9CTBL4Gp8j1PjhECW YaLg== X-Gm-Message-State: AOJu0Yyv8PyUaVhowoH1g23q3bImnUqYhEgHrhTqinKOdI3o2l+mGttx CnD/m9ngaYqVF8iuUDWPwThEckgu/k9DkgOoiWvUz81ic4hdOB4dHHWWIXbYMBeGVu7WwKfjwk5 AQJ4= X-Google-Smtp-Source: AGHT+IEgwbuGzWpy/YdZa8EljsI/4VDjTE9Yc8g3HOugDVw6I6xUAeU8bhJglrLA/0a0OI8Ope2j3g== X-Received: by 2002:a62:e405:0:b0:6da:bcea:4cd4 with SMTP id r5-20020a62e405000000b006dabcea4cd4mr2011390pfh.16.1707188735655; Mon, 05 Feb 2024 19:05:35 -0800 (PST) X-Forwarded-Encrypted: i=0; AJvYcCV0nu4hV+42c5XWycC7UIfEGNXkD17R62Y7zKc7Qm/ASx7oHtrMviJt830t6SVB19nHbpf6SJiZvUcpqxMiH2SnX0a54qyuQ4rd From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, gustavo.romero@linaro.org Subject: [PATCH v2 1/6] linux-user/aarch64: Extend PR_SET_TAGGED_ADDR_CTRL for FEAT_MTE3 Date: Tue, 6 Feb 2024 13:05:22 +1000 Message-Id: <20240206030527.169147-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240206030527.169147-1-richard.henderson@linaro.org> References: <20240206030527.169147-1-richard.henderson@linaro.org> 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::434; envelope-from=richard.henderson@linaro.org; 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, 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 @linaro.org) X-ZM-MESSAGEID: 1707188864019100001 Content-Type: text/plain; charset="utf-8" When MTE3 is supported, the kernel maps PR_MTE_TCF_ASYNC | PR_MTE_TCF_SYNC to MTE_CTRL_TCF_ASYMM and from there to SCTLR_EL1.TCF0 =3D 3 There is no error reported for setting ASYNC | SYNC when MTE3 is not supported; the kernel simply selects the ASYNC behavior of TCF0=3D2. Signed-off-by: Richard Henderson Reviewed-by: Gustavo Romero Tested-by: Gustavo Romero --- linux-user/aarch64/target_prctl.h | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-) diff --git a/linux-user/aarch64/target_prctl.h b/linux-user/aarch64/target_= prctl.h index 5067e7d731..49bd16aa95 100644 --- a/linux-user/aarch64/target_prctl.h +++ b/linux-user/aarch64/target_prctl.h @@ -173,21 +173,22 @@ static abi_long do_prctl_set_tagged_addr_ctrl(CPUArch= State *env, abi_long arg2) env->tagged_addr_enable =3D arg2 & PR_TAGGED_ADDR_ENABLE; =20 if (cpu_isar_feature(aa64_mte, cpu)) { - switch (arg2 & PR_MTE_TCF_MASK) { - case PR_MTE_TCF_NONE: - case PR_MTE_TCF_SYNC: - case PR_MTE_TCF_ASYNC: - break; - default: - return -EINVAL; - } - /* * Write PR_MTE_TCF to SCTLR_EL1[TCF0]. - * Note that the syscall values are consistent with hw. + * Note that SYNC | ASYNC -> ASYMM with FEAT_MTE3, + * otherwise mte_update_sctlr_user chooses ASYNC. */ - env->cp15.sctlr_el[1] =3D - deposit64(env->cp15.sctlr_el[1], 38, 2, arg2 >> PR_MTE_TCF_SHI= FT); + unsigned tcf =3D 0; + if (arg2 & PR_MTE_TCF_ASYNC) { + if ((arg2 & PR_MTE_TCF_SYNC) && cpu_isar_feature(aa64_mte3, cp= u)) { + tcf =3D 3; + } else { + tcf =3D 2; + } + } else if (arg2 & PR_MTE_TCF_SYNC) { + tcf =3D 1; + } + env->cp15.sctlr_el[1] =3D deposit64(env->cp15.sctlr_el[1], 38, 2, = tcf); =20 /* * Write PR_MTE_TAG to GCR_EL1[Exclude]. --=20 2.34.1 From nobody Tue Nov 26 13:20:10 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; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1707188892; cv=none; d=zohomail.com; s=zohoarc; b=TGqxrvO3TyxIh8uTGK4UXX3ksIwUqj7X2gMtkBylBntaWCxdORntj4GnBoH23ij8pm4fofUjlXy7zz7LWHKXyUgl0YW0zg7f+ODY5NcKhbFwWpPnhxHoznKd2vqJNAGHjBwBhFBVCSfhEkv+6Kn6SmFu3DhOTmAyh0gffU7cFDQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1707188892; 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=AqRQXC9e1yIrSAcLNE1gvR7WQ2p8XFPS+9BATHPSGv4=; b=fWp2x/2K8eKBefnxFrPDPJR2lnywvf6R1LP9c8CdUsHDGtVaE4AjUP7zc3F1d4L//ScUnkSK2ceicqq1r1gSB+leM1wYxehp+D6TTLGbR1w65Cjz85Z3ftGRSrrg4ba8iltK1GjYC6IOuOvlClEpsurNdCtHR+pSorDzY7ZdoDI= 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; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1707188892304567.448740017809; Mon, 5 Feb 2024 19:08:12 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rXBmW-0006wb-If; Mon, 05 Feb 2024 22:05:56 -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 1rXBmU-0006un-Cj for qemu-devel@nongnu.org; Mon, 05 Feb 2024 22:05:54 -0500 Received: from mail-pg1-x52d.google.com ([2607:f8b0:4864:20::52d]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rXBmQ-0003EM-Ad for qemu-devel@nongnu.org; Mon, 05 Feb 2024 22:05:54 -0500 Received: by mail-pg1-x52d.google.com with SMTP id 41be03b00d2f7-5dbcfa0eb5dso442241a12.3 for ; Mon, 05 Feb 2024 19:05:39 -0800 (PST) Received: from stoup.. ([43.252.112.200]) by smtp.gmail.com with ESMTPSA id r14-20020a62e40e000000b006e025030700sm627478pfh.190.2024.02.05.19.05.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Feb 2024 19:05:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1707188738; x=1707793538; 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=AqRQXC9e1yIrSAcLNE1gvR7WQ2p8XFPS+9BATHPSGv4=; b=mAzSzR8QPg97G3Y+N95tjnHJQoY6EiI1KX3esKCT+y0QBXkrnlKRYMPMhdB0IIdfAF Hp57b1zl0L7hmkW1Ebt/npDOvkY8YCjgub391hHdoejbk1WQNTrkZVFwxwGUKG4sGwYd 0V1vEb+ZRdPbvNxW7qRzbyOYqF/3ZaoeaWPpaLM9AcFcTAmeI+xGkxvCDMshLmLCrFEY cXPNWDK0Ob/B0C0Ris2ziipU5qxFkipeDLLmTKE2zeOzhvSZUEjSzJx7xmbSpqVyZbx2 lJubaBamTsVNu0eu+CQxhfepSoA4xhXjr4s3+CYBb5l2K4xWmVpPUKu6ph4J43SsLlWP TN5w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707188738; x=1707793538; 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=AqRQXC9e1yIrSAcLNE1gvR7WQ2p8XFPS+9BATHPSGv4=; b=QgO4RZVpQCiM7b+BvViL/QDWM/bCg9I2RK16GpgM6uqQ8k6897rOeoSQE6vVp+WWYO xms6ka1uiR3I7iiN23ZKrdLngcDq4JluitOIHpg7luE9TtB5CSK34+44BLXUsnu6aIxJ uKV6DLFJEx3GQ5Cmg2Y27xEhxeWngUhpMqUeDw9tI9AOfRaspkuL9e45EwlnPKSfj5I5 jA4v8P2ZUA9EDvbCFeVsMT5eeD4qoSP237SbAUhVbiOn8VgtkemEBCwMA1kKKzcCImVx H5UjdEBvrEpM2PzI1Tfn7KGNz9rbCqZKOP3xhV9gwQbKismYUI9RhaXAG18Tx8Zl8/sS mmLQ== X-Gm-Message-State: AOJu0Yz9hhR7lpSCTygO7+GThi8JqHRsORWvvWZSQi73+S8yABVsZizp oM9pseyttGs15rZbf8ekCPR6X3iXvisMeHVfx9h1qEtoAmd0dloQ/zSpUfqpqO2NP6+D4jDTdWM f+C0= X-Google-Smtp-Source: AGHT+IF+xZIz24H5/m5NNzK98t572juqzYzNAxlBCebAKeOioTVHcUUloWIWyXlOlzQXOJzMlwv/HA== X-Received: by 2002:a05:6a20:939d:b0:19c:9ea1:692b with SMTP id x29-20020a056a20939d00b0019c9ea1692bmr524716pzh.10.1707188738443; Mon, 05 Feb 2024 19:05:38 -0800 (PST) X-Forwarded-Encrypted: i=0; AJvYcCVyt1Y3IExw8JrgxPhbkw35x8dsDv1Uy4dNgqfJFktsplP9lQgtfPlq/HuYzf3kwqc2Ng3pGZnDPwdvDWOSkM9dm3tmj5z/eUo0JWCUxSaidEMIULQJMsUa3iwGy8ujQowH From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, gustavo.romero@linaro.org, qemu-stable@nongnu.org Subject: [PATCH v2 2/6] target/arm: Fix nregs computation in do_ld_zpa Date: Tue, 6 Feb 2024 13:05:23 +1000 Message-Id: <20240206030527.169147-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240206030527.169147-1-richard.henderson@linaro.org> References: <20240206030527.169147-1-richard.henderson@linaro.org> 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::52d; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52d.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=unavailable 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 @linaro.org) X-ZM-MESSAGEID: 1707188894139100006 Content-Type: text/plain; charset="utf-8" The field is encoded as [0-3], which is convenient for indexing our array of function pointers, but the true value is [1-4]. Adjust before calling do_mem_zpa. Add an assert, and move the comment re passing ZT to the helper back next to the relevant code. Cc: qemu-stable@nongnu.org Fixes: 206adacfb8d ("target/arm: Add mte helpers for sve scalar + int loads= ") Signed-off-by: Richard Henderson Tested-by: Gustavo Romero --- target/arm/tcg/translate-sve.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/target/arm/tcg/translate-sve.c b/target/arm/tcg/translate-sve.c index 296e7d1ce2..f50a426c98 100644 --- a/target/arm/tcg/translate-sve.c +++ b/target/arm/tcg/translate-sve.c @@ -4445,11 +4445,7 @@ static void do_mem_zpa(DisasContext *s, int zt, int = pg, TCGv_i64 addr, TCGv_ptr t_pg; int desc =3D 0; =20 - /* - * For e.g. LD4, there are not enough arguments to pass all 4 - * registers as pointers, so encode the regno into the data field. - * For consistency, do this even for LD1. - */ + assert(mte_n >=3D 1 && mte_n <=3D 4); if (s->mte_active[0]) { int msz =3D dtype_msz(dtype); =20 @@ -4463,6 +4459,11 @@ static void do_mem_zpa(DisasContext *s, int zt, int = pg, TCGv_i64 addr, addr =3D clean_data_tbi(s, addr); } =20 + /* + * For e.g. LD4, there are not enough arguments to pass all 4 + * registers as pointers, so encode the regno into the data field. + * For consistency, do this even for LD1. + */ desc =3D simd_desc(vsz, vsz, zt | desc); t_pg =3D tcg_temp_new_ptr(); =20 @@ -4600,7 +4601,7 @@ static void do_ld_zpa(DisasContext *s, int zt, int pg, * accessible via the instruction encoding. */ assert(fn !=3D NULL); - do_mem_zpa(s, zt, pg, addr, dtype, nreg, false, fn); + do_mem_zpa(s, zt, pg, addr, dtype, nreg + 1, false, fn); } =20 static bool trans_LD_zprr(DisasContext *s, arg_rprr_load *a) --=20 2.34.1 From nobody Tue Nov 26 13:20:10 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; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1707188891; cv=none; d=zohomail.com; s=zohoarc; b=JthJh4tzvQ9QGuR6OG3rEdgzI1e0Kb2T/7fch/5Sfp3IK6rWaXc5n4CdzU1uy1oSHfT1TH/cjqdGvpgBpiSNio4Wn/albCdBmRXp87jaNYmwuWSBkXLVkXKqgNbZjrmOm4VQu1kGirWOHl7QndTCNabKJcQ5eFRxnXfabRpHvAA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1707188891; 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=gHPXu0j0nAO0+SMsvMvHJ8lHzrBgl7Y3ITORBgFmLRk=; b=TiSXk2qqvVvUO/9VW75buH3qiZsexVczfAzk5ZawRnkXzbnixHWyEaV9Iz0owF/zfvcmhQ+ddEdm9cWQkOO2Nnkyw7rziXtzd73uoyEiWRgokZIHwUfT1DFrwjY0oSiyNEvSYhcY9ZxkbFZ9NG/5JvCctQGLLBzYlv1yIVQT5pU= 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; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 170718889188831.554504857486336; Mon, 5 Feb 2024 19:08:11 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rXBmX-0006xS-4P; Mon, 05 Feb 2024 22:05:57 -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 1rXBmV-0006vh-BX for qemu-devel@nongnu.org; Mon, 05 Feb 2024 22:05:55 -0500 Received: from mail-pg1-x52a.google.com ([2607:f8b0:4864:20::52a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rXBmQ-0003G6-BE for qemu-devel@nongnu.org; Mon, 05 Feb 2024 22:05:55 -0500 Received: by mail-pg1-x52a.google.com with SMTP id 41be03b00d2f7-5d81b08d6f2so4802782a12.0 for ; Mon, 05 Feb 2024 19:05:42 -0800 (PST) Received: from stoup.. ([43.252.112.200]) by smtp.gmail.com with ESMTPSA id r14-20020a62e40e000000b006e025030700sm627478pfh.190.2024.02.05.19.05.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Feb 2024 19:05:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1707188741; x=1707793541; 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=gHPXu0j0nAO0+SMsvMvHJ8lHzrBgl7Y3ITORBgFmLRk=; b=U8orwk48UD4w2FFG5jHnixYJ29TCV5RRo9Et6BUusFiBj6Y/amebwMS7gFzVsmJ+mN dGIFhp6w/KKanlFjBmiT1/lAX+6c10shyuyI+M/MZ1vNvLG2YfDQsCi3krS8nolQU16D ZvF73O59vKVPi6tMgxJTVI3lvqkJYYhxFjABUSQkySiFdPbz/muuiJkcgk8OcXe1tojz ugQAHZaNCM+Rd0ZbOkHB7s4lEINVmBZbRWVxjoNdz+XN9Rn+klKxeMtZeZLqmzbi9ySe YA4HIIt4009w3BHKzixvrItlR1wqx7rxZODAd8+ThzSOkXmKhfmZmf2IwcbFC1d2I80O 3OZg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707188741; x=1707793541; 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=gHPXu0j0nAO0+SMsvMvHJ8lHzrBgl7Y3ITORBgFmLRk=; b=E8gOW3HY/hYrQvKFKRqL4ztSQ8bZDpQhjB15PmJ6HjetTKG8wF3izCXRPJba09/kUQ cvh+vO6YYHeQ1iYrjK1b+oMgevrV8L3lrneSnGlPi+gjLAc8JLOu53DghT6fqRJGEs6R QKVLUAC3jU3AJq72nkIJNS3FSL+jKJaAZR5sBTQ2FA7AcRWjRarnRwdFpDRMn7sEvVTg wsYv/D02GqfrISkgFkTgzvLXuUvryYe7VFwxSybevvZEx6BCmGT1pjH8RqS4ZMvP+rpZ XFsqLlD+v7Mit+s6OUtXMnBwLeE8WrpANyXZ+4unbVETwMY9j/Es07MNB++9NuXQHf3M cGGg== X-Gm-Message-State: AOJu0YzEk7U/BEMVtFuRZMM+03CouTeSEJrTz1l1ID+Q27XDFYDKaqyg /jJr85gkXefs2WruX+/QxeLpcTXTwaYzRdSVaV8QNopdYuAab+bHuRN/LsBORgBSApxn79t/1K9 vuhM= X-Google-Smtp-Source: AGHT+IHnyMLOLRWF69i5ATV9MfZhiLxkek8dWHa7GhoE4ZCazEaAoml3iTNYvEFOb2iKISlsD8/L4w== X-Received: by 2002:a05:6a20:7209:b0:19b:673d:824d with SMTP id y9-20020a056a20720900b0019b673d824dmr327389pzb.46.1707188741089; Mon, 05 Feb 2024 19:05:41 -0800 (PST) X-Forwarded-Encrypted: i=0; AJvYcCUQ7tQ5Cubv0pchS/7CGd8F0TqpmNW3ud5JUcjf4DnVWODKV1G1Y796ss0PZHp738doxMf7t8HzvdkpyDdz2koAurvdHqLyOiuW From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, gustavo.romero@linaro.org Subject: [PATCH v2 3/6] target/arm: Adjust and validate mtedesc sizem1 Date: Tue, 6 Feb 2024 13:05:24 +1000 Message-Id: <20240206030527.169147-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240206030527.169147-1-richard.henderson@linaro.org> References: <20240206030527.169147-1-richard.henderson@linaro.org> 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::52a; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52a.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=unavailable 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 @linaro.org) X-ZM-MESSAGEID: 1707188894131100005 Content-Type: text/plain; charset="utf-8" When we added SVE_MTEDESC_SHIFT, we effectively limited the maximum size of MTEDESC. Adjust SIZEM1 to consume the remaining bits (32 - 10 - 5 - 12 =3D=3D 5). Assert that the data to be stored fits within the field (expecting 8 * 4 - 1 =3D=3D 31, exact fit). Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell Tested-by: Gustavo Romero --- target/arm/internals.h | 2 +- target/arm/tcg/translate-sve.c | 7 ++++--- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index fc337fe40e..50bff44549 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -1278,7 +1278,7 @@ FIELD(MTEDESC, TBI, 4, 2) FIELD(MTEDESC, TCMA, 6, 2) FIELD(MTEDESC, WRITE, 8, 1) FIELD(MTEDESC, ALIGN, 9, 3) -FIELD(MTEDESC, SIZEM1, 12, SIMD_DATA_BITS - 12) /* size - 1 */ +FIELD(MTEDESC, SIZEM1, 12, SIMD_DATA_BITS - SVE_MTEDESC_SHIFT - 12) /* si= ze - 1 */ =20 bool mte_probe(CPUARMState *env, uint32_t desc, uint64_t ptr); uint64_t mte_check(CPUARMState *env, uint32_t desc, uint64_t ptr, uintptr_= t ra); diff --git a/target/arm/tcg/translate-sve.c b/target/arm/tcg/translate-sve.c index f50a426c98..2628ac2840 100644 --- a/target/arm/tcg/translate-sve.c +++ b/target/arm/tcg/translate-sve.c @@ -4443,17 +4443,18 @@ static void do_mem_zpa(DisasContext *s, int zt, int= pg, TCGv_i64 addr, { unsigned vsz =3D vec_full_reg_size(s); TCGv_ptr t_pg; + uint32_t sizem1; int desc =3D 0; =20 assert(mte_n >=3D 1 && mte_n <=3D 4); + sizem1 =3D (mte_n << dtype_msz(dtype)) - 1; + assert(sizem1 <=3D R_MTEDESC_SIZEM1_MASK >> R_MTEDESC_SIZEM1_SHIFT); if (s->mte_active[0]) { - int msz =3D dtype_msz(dtype); - desc =3D FIELD_DP32(desc, MTEDESC, MIDX, get_mem_index(s)); desc =3D FIELD_DP32(desc, MTEDESC, TBI, s->tbid); desc =3D FIELD_DP32(desc, MTEDESC, TCMA, s->tcma); desc =3D FIELD_DP32(desc, MTEDESC, WRITE, is_write); - desc =3D FIELD_DP32(desc, MTEDESC, SIZEM1, (mte_n << msz) - 1); + desc =3D FIELD_DP32(desc, MTEDESC, SIZEM1, sizem1); desc <<=3D SVE_MTEDESC_SHIFT; } else { addr =3D clean_data_tbi(s, addr); --=20 2.34.1 From nobody Tue Nov 26 13:20:10 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; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1707188828; cv=none; d=zohomail.com; s=zohoarc; b=E4TZ9QirXDZxvbt19g5+aCSS9NxKenHQ3qmMs4NFpNfjDoMDmPpea4fqGNs2ClKEBJy63qgF0tnrY5Qq6fpBFZ/ZSqP+pyAzQrFRXn0IFJ1chhyc8Pk+8/dnc+jKONwFeIQKIx3vGTj6lB9La8qUySQGk73+hvt4j+aQYz6b4is= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1707188828; 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=UvbHuxgxiU+JJoqA2yzeDB/PI/mathl0ihpskMBLoOU=; b=LdShYHjYgMrDJJamnth+5CuVsLQzaLgPJ40cLorI4M8Bi236DGsg9Cz2bONAi5vvUosi3+cYK0Z9XTdkaOlYW6BaNNOceOmhBAVuGytz91TyqlmlO5CW1mamMEqFnFc+3985h60ddXUc/lvkCcDbltF2hPoLfang5hZtzgn1C5g= 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; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 170718882801791.63975285621007; Mon, 5 Feb 2024 19:07:08 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rXBmW-0006wY-4x; Mon, 05 Feb 2024 22:05:56 -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 1rXBmU-0006v4-Iw for qemu-devel@nongnu.org; Mon, 05 Feb 2024 22:05:54 -0500 Received: from mail-oo1-xc2c.google.com ([2607:f8b0:4864:20::c2c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rXBmQ-0003J3-Al for qemu-devel@nongnu.org; Mon, 05 Feb 2024 22:05:54 -0500 Received: by mail-oo1-xc2c.google.com with SMTP id 006d021491bc7-59927972125so2840780eaf.3 for ; Mon, 05 Feb 2024 19:05:44 -0800 (PST) Received: from stoup.. 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Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell Tested-by: Gustavo Romero --- target/arm/tcg/translate-a64.h | 2 ++ target/arm/tcg/translate-sme.c | 15 +++-------- target/arm/tcg/translate-sve.c | 47 ++++++++++++++++++---------------- 3 files changed, 31 insertions(+), 33 deletions(-) diff --git a/target/arm/tcg/translate-a64.h b/target/arm/tcg/translate-a64.h index 96ba39b37e..7b811b8ac5 100644 --- a/target/arm/tcg/translate-a64.h +++ b/target/arm/tcg/translate-a64.h @@ -28,6 +28,8 @@ bool logic_imm_decode_wmask(uint64_t *result, unsigned in= t immn, bool sve_access_check(DisasContext *s); bool sme_enabled_check(DisasContext *s); bool sme_enabled_check_with_svcr(DisasContext *s, unsigned); +uint32_t make_svemte_desc(DisasContext *s, unsigned vsz, uint32_t nregs, + uint32_t msz, bool is_write, uint32_t data); =20 /* This function corresponds to CheckStreamingSVEEnabled. */ static inline bool sme_sm_enabled_check(DisasContext *s) diff --git a/target/arm/tcg/translate-sme.c b/target/arm/tcg/translate-sme.c index 8f0dfc884e..46c7fce8b4 100644 --- a/target/arm/tcg/translate-sme.c +++ b/target/arm/tcg/translate-sme.c @@ -206,7 +206,7 @@ static bool trans_LDST1(DisasContext *s, arg_LDST1 *a) =20 TCGv_ptr t_za, t_pg; TCGv_i64 addr; - int svl, desc =3D 0; + uint32_t desc; bool be =3D s->be_data =3D=3D MO_BE; bool mte =3D s->mte_active[0]; =20 @@ -224,18 +224,11 @@ static bool trans_LDST1(DisasContext *s, arg_LDST1 *a) tcg_gen_shli_i64(addr, cpu_reg(s, a->rm), a->esz); tcg_gen_add_i64(addr, addr, cpu_reg_sp(s, a->rn)); =20 - if (mte) { - desc =3D FIELD_DP32(desc, MTEDESC, MIDX, get_mem_index(s)); - desc =3D FIELD_DP32(desc, MTEDESC, TBI, s->tbid); - desc =3D FIELD_DP32(desc, MTEDESC, TCMA, s->tcma); - desc =3D FIELD_DP32(desc, MTEDESC, WRITE, a->st); - desc =3D FIELD_DP32(desc, MTEDESC, SIZEM1, (1 << a->esz) - 1); - desc <<=3D SVE_MTEDESC_SHIFT; - } else { + if (!mte) { addr =3D clean_data_tbi(s, addr); } - svl =3D streaming_vec_reg_size(s); - desc =3D simd_desc(svl, svl, desc); + + desc =3D make_svemte_desc(s, streaming_vec_reg_size(s), 1, a->esz, a->= st, 0); =20 fns[a->esz][be][a->v][mte][a->st](tcg_env, t_za, t_pg, addr, tcg_constant_i32(desc)); diff --git a/target/arm/tcg/translate-sve.c b/target/arm/tcg/translate-sve.c index 2628ac2840..8868aae5ac 100644 --- a/target/arm/tcg/translate-sve.c +++ b/target/arm/tcg/translate-sve.c @@ -4437,18 +4437,18 @@ static const uint8_t dtype_esz[16] =3D { 3, 2, 1, 3 }; =20 -static void do_mem_zpa(DisasContext *s, int zt, int pg, TCGv_i64 addr, - int dtype, uint32_t mte_n, bool is_write, - gen_helper_gvec_mem *fn) +uint32_t make_svemte_desc(DisasContext *s, unsigned vsz, uint32_t nregs, + uint32_t msz, bool is_write, uint32_t data) { - unsigned vsz =3D vec_full_reg_size(s); - TCGv_ptr t_pg; uint32_t sizem1; - int desc =3D 0; + uint32_t desc =3D 0; =20 - assert(mte_n >=3D 1 && mte_n <=3D 4); - sizem1 =3D (mte_n << dtype_msz(dtype)) - 1; + /* Assert all of the data fits, with or without MTE enabled. */ + assert(nregs >=3D 1 && nregs <=3D 4); + sizem1 =3D (nregs << msz) - 1; assert(sizem1 <=3D R_MTEDESC_SIZEM1_MASK >> R_MTEDESC_SIZEM1_SHIFT); + assert(data < 1u << SVE_MTEDESC_SHIFT); + if (s->mte_active[0]) { desc =3D FIELD_DP32(desc, MTEDESC, MIDX, get_mem_index(s)); desc =3D FIELD_DP32(desc, MTEDESC, TBI, s->tbid); @@ -4456,7 +4456,18 @@ static void do_mem_zpa(DisasContext *s, int zt, int = pg, TCGv_i64 addr, desc =3D FIELD_DP32(desc, MTEDESC, WRITE, is_write); desc =3D FIELD_DP32(desc, MTEDESC, SIZEM1, sizem1); desc <<=3D SVE_MTEDESC_SHIFT; - } else { + } + return simd_desc(vsz, vsz, desc | data); +} + +static void do_mem_zpa(DisasContext *s, int zt, int pg, TCGv_i64 addr, + int dtype, uint32_t nregs, bool is_write, + gen_helper_gvec_mem *fn) +{ + TCGv_ptr t_pg; + uint32_t desc; + + if (!s->mte_active[0]) { addr =3D clean_data_tbi(s, addr); } =20 @@ -4465,7 +4476,8 @@ static void do_mem_zpa(DisasContext *s, int zt, int p= g, TCGv_i64 addr, * registers as pointers, so encode the regno into the data field. * For consistency, do this even for LD1. */ - desc =3D simd_desc(vsz, vsz, zt | desc); + desc =3D make_svemte_desc(s, vec_full_reg_size(s), nregs, + dtype_msz(dtype), is_write, zt); t_pg =3D tcg_temp_new_ptr(); =20 tcg_gen_addi_ptr(t_pg, tcg_env, pred_full_reg_offset(s, pg)); @@ -5225,25 +5237,16 @@ static void do_mem_zpz(DisasContext *s, int zt, int= pg, int zm, int scale, TCGv_i64 scalar, int msz, bool is_write, gen_helper_gvec_mem_scatter *fn) { - unsigned vsz =3D vec_full_reg_size(s); TCGv_ptr t_zm =3D tcg_temp_new_ptr(); TCGv_ptr t_pg =3D tcg_temp_new_ptr(); TCGv_ptr t_zt =3D tcg_temp_new_ptr(); - int desc =3D 0; - - if (s->mte_active[0]) { - desc =3D FIELD_DP32(desc, MTEDESC, MIDX, get_mem_index(s)); - desc =3D FIELD_DP32(desc, MTEDESC, TBI, s->tbid); - desc =3D FIELD_DP32(desc, MTEDESC, TCMA, s->tcma); - desc =3D FIELD_DP32(desc, MTEDESC, WRITE, is_write); - desc =3D FIELD_DP32(desc, MTEDESC, SIZEM1, (1 << msz) - 1); - desc <<=3D SVE_MTEDESC_SHIFT; - } - desc =3D simd_desc(vsz, vsz, desc | scale); + uint32_t desc; =20 tcg_gen_addi_ptr(t_pg, tcg_env, pred_full_reg_offset(s, pg)); tcg_gen_addi_ptr(t_zm, tcg_env, vec_full_reg_offset(s, zm)); tcg_gen_addi_ptr(t_zt, tcg_env, vec_full_reg_offset(s, zt)); + + desc =3D make_svemte_desc(s, vec_full_reg_size(s), 1, msz, is_write, s= cale); fn(tcg_env, t_zt, t_pg, t_zm, scalar, tcg_constant_i32(desc)); } =20 --=20 2.34.1 From nobody Tue Nov 26 13:20:10 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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([43.252.112.200]) by smtp.gmail.com with ESMTPSA id r14-20020a62e40e000000b006e025030700sm627478pfh.190.2024.02.05.19.05.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Feb 2024 19:05:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1707188746; x=1707793546; 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=yC+4P563DsZNTw7wqbYKpYbLga9F+4Wqkz2IWu6n9xI=; b=gFQYlEUPshr90p4OKmJo83C8pc60irNBVtFRAtgWlzFuk7FgfBk+ugu/Vqq+wg0NI4 acCs/W0vaaYi4iNE3RgfZQeLnR+uRbjdJPwKCa2YKQuRHP55XdN7IXcB0HAgDMHBFmH0 xIsYDMeJTPn59yduJ5gGk/8gWnUsgyTqcs0L4M4vATrVeGeY/m3qm2xmC+/JTzzntTJS ea+ASGQi3sNFakiyZtJlDEg+S8N5QuAQ+fvqMOa4851+z1aCxRsW4qIVzKzVPMBXYaNX hEGXtr4bEahUj9tYsSKFtFkZ+ySEySAYnpzYRKAAeNImJLfXbunfYFDvuFapFElKztzT xcfg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707188746; x=1707793546; 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=yC+4P563DsZNTw7wqbYKpYbLga9F+4Wqkz2IWu6n9xI=; b=j8zSJXfqysLuhjtxz/AEoLyyA5AHXkVH8481efKxFOGMdodofnSMT3IeFDEay9zR/7 hxf/Gu68wPSvZ3/ymZI6pXepbZMvNSTOY40X6WLVAn7S+irVCw+TBO/nnHOQHrSWo73E rpk1hU3WPDn0uxd5BAUi3KF0Mqy61e77myb2RtvoRaE3kf++NBK+zAlfN1SbNAulBPsq g4q9csinvTo9s2SB6rvowukHNOS/dt15WRaPU0Z7ldAOOmv8n4QpqXKAACBbUnWb4vMj rquiL3X0HgwxeLos8p1eD+TA0qzHrrvkRHHA+iPHArPPqNH/o5rpaJO5DVg5VLrnPCYX D0jw== X-Gm-Message-State: AOJu0YxHqPjfdIQr0+MQ/FiDDlT0664xwhLCyDGmRGQwIDkOHRD6TyQu IL2art3A1v0WMl+fj9PEwPu6mwSNyjxod8Y85jrP2c7wiRfTVmk9PR0X7LZbxDYjHI0QSgbOMNG OfVA= X-Google-Smtp-Source: AGHT+IF0OIAGKz9o8ja8qRyGGavDa+A2cpB2SbuxjzlVWVdXbXNGwiotkzBnv6rHsg9VgdYSG6LA6Q== X-Received: by 2002:a05:6358:6f9e:b0:178:7542:1a58 with SMTP id s30-20020a0563586f9e00b0017875421a58mr820386rwn.7.1707188746651; Mon, 05 Feb 2024 19:05:46 -0800 (PST) X-Forwarded-Encrypted: i=0; AJvYcCVupFAc3S9Ph9dOV598Sicdx/GHQn2Bi7SByxZ5wmF7/RWpd2Lrz5Q4r51TGWO8oq9ckccmN7vEhI/WzVKgFQDHK2KpvG4FKLZc From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, gustavo.romero@linaro.org Subject: [PATCH v2 5/6] target/arm: Handle mte in do_ldrq, do_ldro Date: Tue, 6 Feb 2024 13:05:26 +1000 Message-Id: <20240206030527.169147-6-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240206030527.169147-1-richard.henderson@linaro.org> References: <20240206030527.169147-1-richard.henderson@linaro.org> 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::c2e; envelope-from=richard.henderson@linaro.org; helo=mail-oo1-xc2e.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 @linaro.org) X-ZM-MESSAGEID: 1707188856044100003 Content-Type: text/plain; charset="utf-8" These functions "use the standard load helpers", but fail to clean_data_tbi or populate mtedesc. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell Tested-by: Gustavo Romero --- target/arm/tcg/translate-sve.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/target/arm/tcg/translate-sve.c b/target/arm/tcg/translate-sve.c index 8868aae5ac..fb3bcb47f6 100644 --- a/target/arm/tcg/translate-sve.c +++ b/target/arm/tcg/translate-sve.c @@ -4861,8 +4861,13 @@ static void do_ldrq(DisasContext *s, int zt, int pg,= TCGv_i64 addr, int dtype) unsigned vsz =3D vec_full_reg_size(s); TCGv_ptr t_pg; int poff; + uint32_t desc; =20 /* Load the first quadword using the normal predicated load helpers. = */ + if (!s->mte_active[0]) { + addr =3D clean_data_tbi(s, addr); + } + poff =3D pred_full_reg_offset(s, pg); if (vsz > 16) { /* @@ -4886,7 +4891,8 @@ static void do_ldrq(DisasContext *s, int zt, int pg, = TCGv_i64 addr, int dtype) =20 gen_helper_gvec_mem *fn =3D ldr_fns[s->mte_active[0]][s->be_data =3D=3D MO_BE][dtype][0]; - fn(tcg_env, t_pg, addr, tcg_constant_i32(simd_desc(16, 16, zt))); + desc =3D make_svemte_desc(s, 16, 1, dtype_msz(dtype), false, zt); + fn(tcg_env, t_pg, addr, tcg_constant_i32(desc)); =20 /* Replicate that first quadword. */ if (vsz > 16) { @@ -4929,6 +4935,7 @@ static void do_ldro(DisasContext *s, int zt, int pg, = TCGv_i64 addr, int dtype) unsigned vsz_r32; TCGv_ptr t_pg; int poff, doff; + uint32_t desc; =20 if (vsz < 32) { /* @@ -4941,6 +4948,9 @@ static void do_ldro(DisasContext *s, int zt, int pg, = TCGv_i64 addr, int dtype) } =20 /* Load the first octaword using the normal predicated load helpers. = */ + if (!s->mte_active[0]) { + addr =3D clean_data_tbi(s, addr); + } =20 poff =3D pred_full_reg_offset(s, pg); if (vsz > 32) { @@ -4965,7 +4975,8 @@ static void do_ldro(DisasContext *s, int zt, int pg, = TCGv_i64 addr, int dtype) =20 gen_helper_gvec_mem *fn =3D ldr_fns[s->mte_active[0]][s->be_data =3D=3D MO_BE][dtype][0]; - fn(tcg_env, t_pg, addr, tcg_constant_i32(simd_desc(32, 32, zt))); + desc =3D make_svemte_desc(s, 32, 1, dtype_msz(dtype), false, zt); + fn(tcg_env, t_pg, addr, tcg_constant_i32(desc)); =20 /* * Replicate that first octaword. --=20 2.34.1 From nobody Tue Nov 26 13:20:10 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; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1707188854; cv=none; d=zohomail.com; s=zohoarc; b=XPBbJ+uvGXUSOJmb9BSC+qbMwiLpFEaWVyRn/TCouKZZcSCa7zN4jkafzNANqs0tgz/Twe8yKfQbtBSBhl5TdQNSy5fxPH2zgO0wn+EvNsZ71ApYH826PX5jEIEowzoma5qpDlEnEzsBmSZ02CY9pS94hPen9mypyEmVs5WA3/U= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1707188854; 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=tm00fo32ukKBaFGSugm65eVz3+HZdTUwSvO4kdDzRYM=; b=B98I7NE6P40zli/AiXbXCSg30Ff0Ug3dh60FCm1pzDbD7zzXngR947HY2YWBuW/raIRbURMaDpWA/su2h1q7dA4cnvzeZfRr+eEYngp+7BoMN/D414WpGOnt6WlbROkkBG0DcNYEzPPxuyCW1vf6DGlFFFQ83PyXtg6SAu59Ylw= 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; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 170718885449049.68357655951354; Mon, 5 Feb 2024 19:07:34 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rXBmY-0006y4-76; Mon, 05 Feb 2024 22:05:58 -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 1rXBmV-0006wE-Oa for qemu-devel@nongnu.org; Mon, 05 Feb 2024 22:05:55 -0500 Received: from mail-pf1-x435.google.com ([2607:f8b0:4864:20::435]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rXBmQ-0003Jp-Gs for qemu-devel@nongnu.org; Mon, 05 Feb 2024 22:05:55 -0500 Received: by mail-pf1-x435.google.com with SMTP id d2e1a72fcca58-6e0523fbc27so514850b3a.3 for ; Mon, 05 Feb 2024 19:05:50 -0800 (PST) Received: from stoup.. ([43.252.112.200]) by smtp.gmail.com with ESMTPSA id r14-20020a62e40e000000b006e025030700sm627478pfh.190.2024.02.05.19.05.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Feb 2024 19:05:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1707188749; x=1707793549; 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=tm00fo32ukKBaFGSugm65eVz3+HZdTUwSvO4kdDzRYM=; b=x9eDtN+T0iAt78E0EV+sP9GWYQaBhJJ7jIh+RL8InKhzgP55imRHcUqoSr8CVbY7eF q8DvGfz3lBhpw6OqV5PVOLzdHtI6RYd3QuPI6U4264xmkQJ5GSZVXMx4fCxO8VSeAMPi 3IHre6wIqPyxCUGtG7jdMgG6YCr8j+BpGQO59sGAWYTjsfHvGVdvTTD+iZHty0S/ddTm cdRZI0ssA+mypUPeeUzNAWAhNskwD/cjIE5VsOgtfyJFdp64xUnJoVcFWhj7QdcASrSS iO8n//PpqNyFkx6HLj/utUWkdqCt9y8Uiwg+Pmp5CYj0yNxOeTfRxCzok277oKSVHAJe +J/g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707188749; x=1707793549; 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=tm00fo32ukKBaFGSugm65eVz3+HZdTUwSvO4kdDzRYM=; b=nI4r9eh1blIB7pS3Qwc2BR56H8dp8jnm5G8unpY644nHmhxm3OIvGuVI8Z5FTyOuEp UtIBQDLQstL4KLcmdMLJ2qWqYm8UAAeU0xqL6+TGPcoJFjGEpy6/lHDBnWRiEEj8uW0U oU2C7+d4VQ388vM2WTqIXgs8dbI556av14QtVmF7aEN5t1B/lgbFqBr4ZYMToiDzaL0T krIWp2MwErBa3xzbZOFuTwN9j0vUDylqSjUMsTXQ7QVm+sQTEnjlYCDVPW2GaTSVNNtE m3WuPcHUB+5xQ6LVKCSfTpC9zuOAPsGQgU0d8TJK+G+IPSNE8+I8+9d3zWcqr5qCIvi+ o/bA== X-Gm-Message-State: AOJu0YyzNLQXs4xfPDQRI4g7c5MyLUNqwV38F4/hglbv98tnHbKnZs3b y5BvPEkksM6I//j3+msMjviRrRL83iFdNrTr7mRYQCM2VCTHTVFYyUO8IpfoBaXUAl4as0JEHL4 aRzM= X-Google-Smtp-Source: AGHT+IE5dQ7GBVEM7w+To9YgNR1JoU4z7VlR6r/cHeYD9I7C5OY0lKGm408rHBWqMqkOJ0RHsu9XSg== X-Received: by 2002:aa7:874c:0:b0:6e0:5424:6b3a with SMTP id g12-20020aa7874c000000b006e054246b3amr987791pfo.11.1707188749199; Mon, 05 Feb 2024 19:05:49 -0800 (PST) X-Forwarded-Encrypted: i=0; AJvYcCU1Y4di2MPgGrpFmen04hrz1M+h89gix+A0v+6dXJzquMB0uqGKoV2Fa1HA+jUoqhgZVTLR3TNZFwjnm8/gD60yh5/VD//MS4rM From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, gustavo.romero@linaro.org Subject: [PATCH v2 6/6] target/arm: Fix SVE/SME gross MTE suppression checks Date: Tue, 6 Feb 2024 13:05:27 +1000 Message-Id: <20240206030527.169147-7-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240206030527.169147-1-richard.henderson@linaro.org> References: <20240206030527.169147-1-richard.henderson@linaro.org> 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::435; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x435.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=unavailable 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 @linaro.org) X-ZM-MESSAGEID: 1707188856054100004 Content-Type: text/plain; charset="utf-8" The TBI and TCMA bits are located within mtedesc, not desc. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell Tested-by: Gustavo Romero --- target/arm/tcg/sme_helper.c | 8 ++++---- target/arm/tcg/sve_helper.c | 12 ++++++------ 2 files changed, 10 insertions(+), 10 deletions(-) diff --git a/target/arm/tcg/sme_helper.c b/target/arm/tcg/sme_helper.c index 1ee2690ceb..904bfdac43 100644 --- a/target/arm/tcg/sme_helper.c +++ b/target/arm/tcg/sme_helper.c @@ -573,8 +573,8 @@ void sme_ld1_mte(CPUARMState *env, void *za, uint64_t *= vg, desc =3D extract32(desc, 0, SIMD_DATA_SHIFT + SVE_MTEDESC_SHIFT); =20 /* Perform gross MTE suppression early. */ - if (!tbi_check(desc, bit55) || - tcma_check(desc, bit55, allocation_tag_from_addr(addr))) { + if (!tbi_check(mtedesc, bit55) || + tcma_check(mtedesc, bit55, allocation_tag_from_addr(addr))) { mtedesc =3D 0; } =20 @@ -750,8 +750,8 @@ void sme_st1_mte(CPUARMState *env, void *za, uint64_t *= vg, target_ulong addr, desc =3D extract32(desc, 0, SIMD_DATA_SHIFT + SVE_MTEDESC_SHIFT); =20 /* Perform gross MTE suppression early. */ - if (!tbi_check(desc, bit55) || - tcma_check(desc, bit55, allocation_tag_from_addr(addr))) { + if (!tbi_check(mtedesc, bit55) || + tcma_check(mtedesc, bit55, allocation_tag_from_addr(addr))) { mtedesc =3D 0; } =20 diff --git a/target/arm/tcg/sve_helper.c b/target/arm/tcg/sve_helper.c index bce4295d28..6853f58c19 100644 --- a/target/arm/tcg/sve_helper.c +++ b/target/arm/tcg/sve_helper.c @@ -5800,8 +5800,8 @@ void sve_ldN_r_mte(CPUARMState *env, uint64_t *vg, ta= rget_ulong addr, desc =3D extract32(desc, 0, SIMD_DATA_SHIFT + SVE_MTEDESC_SHIFT); =20 /* Perform gross MTE suppression early. */ - if (!tbi_check(desc, bit55) || - tcma_check(desc, bit55, allocation_tag_from_addr(addr))) { + if (!tbi_check(mtedesc, bit55) || + tcma_check(mtedesc, bit55, allocation_tag_from_addr(addr))) { mtedesc =3D 0; } =20 @@ -6156,8 +6156,8 @@ void sve_ldnfff1_r_mte(CPUARMState *env, void *vg, ta= rget_ulong addr, desc =3D extract32(desc, 0, SIMD_DATA_SHIFT + SVE_MTEDESC_SHIFT); =20 /* Perform gross MTE suppression early. */ - if (!tbi_check(desc, bit55) || - tcma_check(desc, bit55, allocation_tag_from_addr(addr))) { + if (!tbi_check(mtedesc, bit55) || + tcma_check(mtedesc, bit55, allocation_tag_from_addr(addr))) { mtedesc =3D 0; } =20 @@ -6410,8 +6410,8 @@ void sve_stN_r_mte(CPUARMState *env, uint64_t *vg, ta= rget_ulong addr, desc =3D extract32(desc, 0, SIMD_DATA_SHIFT + SVE_MTEDESC_SHIFT); =20 /* Perform gross MTE suppression early. */ - if (!tbi_check(desc, bit55) || - tcma_check(desc, bit55, allocation_tag_from_addr(addr))) { + if (!tbi_check(mtedesc, bit55) || + tcma_check(mtedesc, bit55, allocation_tag_from_addr(addr))) { mtedesc =3D 0; } =20 --=20 2.34.1