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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 0B64AC433DB for ; Mon, 11 Jan 2021 19:32:03 +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 7E82D22CAD for ; Mon, 11 Jan 2021 19:32:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7E82D22CAD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:55672 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kz2v3-00088C-Cu for qemu-devel@archiver.kernel.org; Mon, 11 Jan 2021 14:32:01 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:47686) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kz2S7-0006QM-Ga for qemu-devel@nongnu.org; Mon, 11 Jan 2021 14:02:08 -0500 Received: from mail-pj1-x1029.google.com ([2607:f8b0:4864:20::1029]:37369) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kz2S3-0006X9-Rb for qemu-devel@nongnu.org; Mon, 11 Jan 2021 14:02:07 -0500 Received: by mail-pj1-x1029.google.com with SMTP id b5so107117pjk.2 for ; Mon, 11 Jan 2021 11:02:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=lAlv71XV4SKUNxt7geYws+zgzPBGM/IzIZrTaZWAMU4=; b=q2uySl2J4wtk/YcI7vLoMM8s8/yTn1lxkCvT9/kIfY6w2RDzxyue/Y0l1k+SpuzBUg KE9R2TnDn6yNJXxXOphsVG6Dj62wyIJ5X27Gzn5McmevJCQ5obhMPElX7+v+rgU/V26t hQ5Eb9OL4gkCZAfXU4uIvcXuuOAB9aw6OKWIlNFfGUSrafwk9M27Iu52ogZVQsSA5lJr PK9JBxoLlJ8iMu0IDI3d4BR/WpLThJKr1VbjgsDoNGYtijulhWrTVIjH3lVyf7/aaNL+ KFGe3m1Z62L9hPXK2SLKXbCcFYeWgkYHLCjPicBqrBXtnXteIjGJ8Aq5NAVFGjQ8K4TE UP2Q== 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:mime-version:content-transfer-encoding; bh=lAlv71XV4SKUNxt7geYws+zgzPBGM/IzIZrTaZWAMU4=; b=Gpyl5MMcmQt7E6GqPRTbmTmU2Kv0ei0+dazHZf2TOyqk8wLSaasU7/QNE51uld/p7J d4ksvn0suIjtgqH4VqfIeMev7FqW0F35ONFrFbF1DWbQi8TEUr0HbrvHfJuQYmaYtgBy CyNhNZ3MccH90TMg+edZdISUObFco7sjdH9wn+hezISncGOnaNOEBuuTrxKHza29sj2w aW5uCzx917cuSonWORApsThozqSlYvPGWHz/3aj7SDQFWZwgbw6y5aeq48uB2r6ap2cn WasI9jU4BUSMmVs6KeB9MRjNLFMvVw/noCjtRTcQ+cC8Aft80lsEMozC42857r85d2o1 PQaw== X-Gm-Message-State: AOAM533Kipa9z7+1++HS2aPCcTOInFOhec6WArJl3q0xGOKip4Oq430D VbClIRhoUK1gk8XKohCxkxGSjtWYrHVNlA== X-Google-Smtp-Source: ABdhPJyAEtmlNFJSNcp01/AfGlPsYQP4DnV84Vbsktk7x/wxfhzS8Fe54o01HbfsYw7WAlpBi9zyLw== X-Received: by 2002:a17:902:ee02:b029:db:c0d6:57f9 with SMTP id z2-20020a170902ee02b02900dbc0d657f9mr1132017plb.65.1610391722178; Mon, 11 Jan 2021 11:02:02 -0800 (PST) Received: from localhost.localdomain (rrcs-173-197-107-21.west.biz.rr.com. [173.197.107.21]) by smtp.gmail.com with ESMTPSA id n195sm350395pfd.169.2021.01.11.11.02.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Jan 2021 11:02:01 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 26/30] target/arm: Enforce alignment for aa64 load-acq/store-rel Date: Mon, 11 Jan 2021 09:01:09 -1000 Message-Id: <20210111190113.303726-27-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210111190113.303726-1-richard.henderson@linaro.org> References: <20210111190113.303726-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1029; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1029.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=unavailable 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: peter.maydell@linaro.org, qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/translate-a64.c | 23 ++++++++++++++--------- 1 file changed, 14 insertions(+), 9 deletions(-) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 9255763ea7..7f37f8bb12 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -2669,7 +2669,8 @@ static void disas_ldst_excl(DisasContext *s, uint32_t insn) tcg_gen_mb(TCG_MO_ALL | TCG_BAR_STRL); clean_addr = gen_mte_check1(s, cpu_reg_sp(s, rn), true, rn != 31, size); - do_gpr_st(s, cpu_reg(s, rt), clean_addr, size, true, rt, + /* TODO: ARMv8.4-LSE SCTLR.nAA */ + do_gpr_st(s, cpu_reg(s, rt), clean_addr, size | MO_ALIGN, true, rt, disas_ldst_compute_iss_sf(size, false, 0), is_lasr); return; @@ -2686,8 +2687,9 @@ static void disas_ldst_excl(DisasContext *s, uint32_t insn) } clean_addr = gen_mte_check1(s, cpu_reg_sp(s, rn), false, rn != 31, size); - do_gpr_ld(s, cpu_reg(s, rt), clean_addr, size, false, true, rt, - disas_ldst_compute_iss_sf(size, false, 0), is_lasr); + /* TODO: ARMv8.4-LSE SCTLR.nAA */ + do_gpr_ld(s, cpu_reg(s, rt), clean_addr, size | MO_ALIGN, false, true, + rt, disas_ldst_compute_iss_sf(size, false, 0), is_lasr); tcg_gen_mb(TCG_MO_ALL | TCG_BAR_LDAQ); return; @@ -3476,15 +3478,18 @@ static void disas_ldst_ldapr_stlr(DisasContext *s, uint32_t insn) int size = extract32(insn, 30, 2); TCGv_i64 clean_addr, dirty_addr; bool is_store = false; - bool is_signed = false; bool extend = false; bool iss_sf; + MemOp mop; if (!dc_isar_feature(aa64_rcpc_8_4, s)) { unallocated_encoding(s); return; } + /* TODO: ARMv8.4-LSE SCTLR.nAA */ + mop = size | MO_ALIGN; + switch (opc) { case 0: /* STLURB */ is_store = true; @@ -3496,21 +3501,21 @@ static void disas_ldst_ldapr_stlr(DisasContext *s, uint32_t insn) unallocated_encoding(s); return; } - is_signed = true; + mop |= MO_SIGN; break; case 3: /* LDAPURS* 32-bit variant */ if (size > 1) { unallocated_encoding(s); return; } - is_signed = true; + mop |= MO_SIGN; extend = true; /* zero-extend 32->64 after signed load */ break; default: g_assert_not_reached(); } - iss_sf = disas_ldst_compute_iss_sf(size, is_signed, opc); + iss_sf = disas_ldst_compute_iss_sf(size, (mop & MO_SIGN) != 0, opc); if (rn == 31) { gen_check_sp_alignment(s); @@ -3523,13 +3528,13 @@ static void disas_ldst_ldapr_stlr(DisasContext *s, uint32_t insn) if (is_store) { /* Store-Release semantics */ tcg_gen_mb(TCG_MO_ALL | TCG_BAR_STRL); - do_gpr_st(s, cpu_reg(s, rt), clean_addr, size, true, rt, iss_sf, true); + do_gpr_st(s, cpu_reg(s, rt), clean_addr, mop, true, rt, iss_sf, true); } else { /* * Load-AcquirePC semantics; we implement as the slightly more * restrictive Load-Acquire. */ - do_gpr_ld(s, cpu_reg(s, rt), clean_addr, size + is_signed * MO_SIGN, + do_gpr_ld(s, cpu_reg(s, rt), clean_addr, mop, extend, true, rt, iss_sf, true); tcg_gen_mb(TCG_MO_ALL | TCG_BAR_LDAQ); } -- 2.25.1