From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by 2002:a5d:4850:0:0:0:0:0 with SMTP id n16csp3198340wrs; Mon, 19 Aug 2019 15:14:31 -0700 (PDT) X-Google-Smtp-Source: APXvYqw7coUNq0JdDDkz05uJUa43O3r4XqDLS51ZolIY1rmchoXBz8WFY4m2FWoehcLypPuV3ONC X-Received: by 2002:ac8:3315:: with SMTP id t21mr23390610qta.392.1566252871452; Mon, 19 Aug 2019 15:14:31 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1566252871; cv=none; d=google.com; s=arc-20160816; b=Y72qjqFdou43sFSVdBNVwV4u49v/9rN+4OzrP+QULb0Et3n4cps1u/SFNY7spe525e Sr7Zunad22sUWdYlJVaZE39XbmVo0Odn+WnwjmMWODvOusUH5PBsxOXhDC/ObaBdKp7x w2CJVEp34enGnnZHLjbCo/OcQrYAQKqrf6rS/d73cM5/m4Qds+M1LKBxMoElKfiS8Jxe +gfNGh54rKzXdZqSMtwS+iTBn1z6UAoMvAenXovOgL3xiOlJEKnbuuOJDtFvF5ILyEog DftozWK90P0j4E8U3bK6feuSUuVuNAumNMKuvUay4JXQUwvMQBizzfIqFVa+n6q+nQpR Oy1w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:subject:references:in-reply-to :message-id:date:to:from:dkim-signature; bh=AfObyYVf+TtUvkYatWrX5oVYyhEhA7Z+ZbkDEmf7ZT8=; b=g74InCWzLnug+w8T3W6UJCewbrzKEJrnT4aq0/1VkzzHnv/76sCfs6itBnqLlZvMUB PYI8+MI6OQbXexQ1kYFshXlWHCyHKeE5oMycAKuPnWEEPFMO4j7SF38AHPjQy/wSru0A b0yPHRD9E5QSC/SaYCZ5pUykndiuJ5LmtFMtbjWUEnfaz7HnvvUWcXLrz8B7Z7yQIRO3 geKqyBGLEtx2iSq0JqgK9yZJ22eyzbmLJuy6+vUeoLBIqNS9mxSrPPVPneD3j/2rWjHU 1oizN0mh1hIOFBP44QKj4mP9r9XcnQwgYuS4pfFBnv887tLEqI5x7tghOftd56T5tS9s /DqA== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=RFuZtKWF; spf=pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id h3si9622370qkm.355.2019.08.19.15.14.31 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 19 Aug 2019 15:14:31 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=RFuZtKWF; spf=pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:59692 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hzpv4-00083V-FK for alex.bennee@linaro.org; Mon, 19 Aug 2019 18:14:30 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59451) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hzpMV-0002NA-Bk for qemu-arm@nongnu.org; Mon, 19 Aug 2019 17:38:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hzpMU-0006VI-B5 for qemu-arm@nongnu.org; Mon, 19 Aug 2019 17:38:47 -0400 Received: from mail-pf1-x441.google.com ([2607:f8b0:4864:20::441]:33052) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hzpMT-0006UP-9a for qemu-arm@nongnu.org; Mon, 19 Aug 2019 17:38:45 -0400 Received: by mail-pf1-x441.google.com with SMTP id g2so1954439pfq.0 for ; Mon, 19 Aug 2019 14:38:44 -0700 (PDT) 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; bh=AfObyYVf+TtUvkYatWrX5oVYyhEhA7Z+ZbkDEmf7ZT8=; b=RFuZtKWFqnZO0ojoGmbmoV+jl/jaVkvAC9l8GHZG0Sy3J5rXnNMMp8S3ITVP1X95tU GM+1qmUS7we6nFCdoBPGu+vSpi73vT67ty7s7RmJXOE9kNxl14bpsAz1V+tPE/oCOX3w ltPuhuBXHYVCG5EkKZ+Av8L7KahVXtIMSUll+5nRwd8CqtVYalAUuq1kVLL67GiK9iFY G/7xRKkwHdLBK01/ABYGcJ/HJ7IzVlnyJiks/wszSXiP8BLnzehWwNZcHhDlp8hEsynd AWuznA/tpXZ0I14XRkzsfpBDPYMElty8M0gwagZBpFwRnpDR2dLee8r+UBoXOJGBiclm l6bA== 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; bh=AfObyYVf+TtUvkYatWrX5oVYyhEhA7Z+ZbkDEmf7ZT8=; b=VB08RSpgAe8m1YwcVh07KlCv6FQGfQEyAgtvK5d5ua8ny42DZzO32R65v8SqMVQp3m nEn0kPcw+kKtiuBi3nafbDZV2qIBYnyFgu+uj1uot4pnpAgEDy8vxbqXAMCCbSMzTkaA QxAF+nU9PtQrdBJd+WFh8yQArtt6g98BvBS7fEPrSOEIzBqUGxY+ICFSIl4XkONrgNtB dym3Qh2vCilrvdtDa7X8Vjxi8srDrG14pZv8uwiOplFIRpVSo4b8NJZYOxYKctFqMAfW HtawnfAKpOY9HEJ5lZnjq2DbM4ftKk5TQLgeoDalahOWcUUjmG1VAPTebglwqf0xgoXQ PiFw== X-Gm-Message-State: APjAAAU9znC1p6koXnjcJ3Pl9vdjQxxzfiy16q1w2jAhc2aYo/64KuvH EA45LReOWADVnIzryJILYgQwaA== X-Received: by 2002:a62:8745:: with SMTP id i66mr26021455pfe.259.1566250724045; Mon, 19 Aug 2019 14:38:44 -0700 (PDT) Received: from localhost.localdomain (97-113-7-119.tukw.qwest.net. [97.113.7.119]) by smtp.gmail.com with ESMTPSA id d2sm13446951pjs.21.2019.08.19.14.38.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Aug 2019 14:38:43 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Mon, 19 Aug 2019 14:37:25 -0700 Message-Id: <20190819213755.26175-39-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190819213755.26175-1-richard.henderson@linaro.org> References: <20190819213755.26175-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::441 Subject: [Qemu-arm] [PATCH v2 38/68] target/arm: Convert Unallocated memory hint X-BeenThere: qemu-arm@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-arm-bounces+alex.bennee=linaro.org@nongnu.org Sender: "Qemu-arm" X-TUID: aG9K4ntuk6lv Signed-off-by: Richard Henderson --- target/arm/translate.c | 8 -------- target/arm/a32-uncond.decode | 8 ++++++++ 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index a30a9bb4e0..9ec6b25c03 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -10216,14 +10216,6 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) } return; } - if (((insn & 0x0f700000) == 0x04100000) || - ((insn & 0x0f700010) == 0x06100000)) { - if (!arm_dc_feature(s, ARM_FEATURE_V7MP)) { - goto illegal_op; - } - return; /* v7MP: Unallocated memory hint: must NOP */ - } - if ((insn & 0x0e000f00) == 0x0c000100) { if (arm_dc_feature(s, ARM_FEATURE_IWMMXT)) { /* iWMMXt register transfer. */ diff --git a/target/arm/a32-uncond.decode b/target/arm/a32-uncond.decode index aed381cb8e..afa95bf7aa 100644 --- a/target/arm/a32-uncond.decode +++ b/target/arm/a32-uncond.decode @@ -64,3 +64,11 @@ PLI 1111 0100 -101 ---- 1111 ---- ---- ---- # (imm, lit) 7 PLD 1111 0111 -101 ---- 1111 ----- -- 0 ---- # (register) 5te PLDW 1111 0111 -001 ---- 1111 ----- -- 0 ---- # (register) 7mp PLI 1111 0110 -101 ---- 1111 ----- -- 0 ---- # (register) 7 + +# Unallocated memory hints +# +# Since these are v7MP nops, and PLDW is v7MP and implemented as nop, +# (ab)use the PLDW helper. + +PLDW 1111 0100 -001 ---- ---- ---- ---- ---- +PLDW 1111 0110 -001 ---- ---- ---- ---0 ---- -- 2.17.1