From nobody Tue Feb 10 03:15:57 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1566252930; cv=none; d=zoho.com; s=zohoarc; b=KyLehfilApyYLpDjhpKSENGut3Hzs0GeehaJ7QHQtCxNghXUXcJtv5JQWUfsta1jxuaGB6NXY5NexCDWQ9iXPd3C2fH+tfxdB3T4TmAN70t5jVdIvZZR2H4f+x2kUbY9Iotmlt7+Fq7ndWvSWGbwqBTTQHXZaOp3IX2o1AnqIzA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1566252930; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=JhmaAGzRoow6PV3mD1aboEwUvmsUrSNHW6vrm01q9UA=; b=mOM0tyFE9ZNBJKZtrk6Ix9OS3KCJDk9AQDn4/PUcjr7KEDs7xe2+G2FpUTLv7RVpSQx09P3S4VdjAyeuYT20C0N2QtZUh9V98kYT+tnP3auiQZ06lZEPbwX9ZqQ1y0xC7+SW8+qA6rSSbOx1KnF7yqqmgZK2oIv3u33+4TGZAOI= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1566252930526632.262696930731; Mon, 19 Aug 2019 15:15:30 -0700 (PDT) Received: from localhost ([::1]:59702 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hzpw1-0000T6-3B for importer@patchew.org; Mon, 19 Aug 2019 18:15:29 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59418) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hzpMU-0002Lf-BW for qemu-devel@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 1hzpMS-0006UL-Bs for qemu-devel@nongnu.org; Mon, 19 Aug 2019 17:38:45 -0400 Received: from mail-pf1-x442.google.com ([2607:f8b0:4864:20::442]:37305) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hzpMS-0006Tr-5p for qemu-devel@nongnu.org; Mon, 19 Aug 2019 17:38:44 -0400 Received: by mail-pf1-x442.google.com with SMTP id 129so1946965pfa.4 for ; 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.21.2019.08.19.14.38.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Aug 2019 14:38:42 -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=JhmaAGzRoow6PV3mD1aboEwUvmsUrSNHW6vrm01q9UA=; b=eNhhBEL5W3OtD0P4jcvd636YxZSbqIkbtSAji8NqXmO/jUYNdcN9uGXP1MRb9ERTzK fV0r8EKdmtiqAxgt8/yiM3hALXwu3wzHOrv7Uo0Mzw4rEdCXzmVKz5p6X1XxX26LJ7By 3ACWkDpuqkQ3QElmHwAEJedX7ULxqbuAnqN40E7HjVXLsbC+JlIDyBYoApz7DmRgSnN/ wAAMONm3ToZG7Wme9VvyGZ78D7+GNvQe4ALsZB3KQlj10VfFJ6ua4p57fI8S/JC9S1Ay hA/xuwmQC3J7tH4jV5A/6QIs4uOtM+p9sSNGe+xW4kk3M5GDNQnv69xA3VY3ZUo/r22V m7sA== 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=JhmaAGzRoow6PV3mD1aboEwUvmsUrSNHW6vrm01q9UA=; b=lTWKWAcqk4EpJ7r3X0yWNCwNn4pCwLxdv3r3mjQ8JNl40eqSvEsneKzaHZlotM9Xci 8ooFL4PpMUPLUtPfXyUxj9glnMHVQOvJmNGcaebKXYWryJMPfCz15dF6xZJO+Pl9KgRJ ImejeSHuISL5j20Hp+lnm9ULl0g1/eBYf3OnqplyJwEwqIKfwc/PGwLJcoHBOb6ILHZr v7xspCL4/Cy/x5VSIPcz6/aXiLb7Q7qk6wZI/Iv91mfCljqCJ1I9tXTVjjUcNvjcTZah Kg51q6IzJM8lduEMrvoOldORqakdAwDUpDgsrQCuQwHVNyp0HGjiznrsZTodV8xXTi+r qi9Q== X-Gm-Message-State: APjAAAUH31Nj0VHrYhEJkg5IYf0qMq3F7KSwUi95F/d+oKjRNZBFURfF qw6uLqp+s7cRTpGTiFLPf2mwmUXpWa4= X-Google-Smtp-Source: APXvYqxoagVaQD4lMq4gQRlMqh9SI+umOIy27rtVUV3ClakfJ/Hf2+4Q2pNwr8XILBjD+GC3jasvaw== X-Received: by 2002:aa7:9516:: with SMTP id b22mr26306293pfp.106.1566250722846; Mon, 19 Aug 2019 14:38:42 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Mon, 19 Aug 2019 14:37:24 -0700 Message-Id: <20190819213755.26175-38-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::442 Subject: [Qemu-devel] [PATCH v2 37/68] target/arm: Convert PLI, PLD, PLDW 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- target/arm/translate.c | 37 +++++++++++++++++++----------------- target/arm/a32-uncond.decode | 10 ++++++++++ 2 files changed, 30 insertions(+), 17 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index 46e88d1d17..a30a9bb4e0 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -10136,6 +10136,26 @@ static bool trans_SETEND(DisasContext *s, arg_SETE= ND *a) return true; } =20 +/* + * Preload instructions + * All are nops, contingent on the appropriate arch level. + */ + +static bool trans_PLD(DisasContext *s, arg_PLD *a) +{ + return ENABLE_ARCH_5TE; +} + +static bool trans_PLDW(DisasContext *s, arg_PLD *a) +{ + return arm_dc_feature(s, ARM_FEATURE_V7MP); +} + +static bool trans_PLI(DisasContext *s, arg_PLD *a) +{ + return ENABLE_ARCH_7; +} + /* * Legacy decoder. */ @@ -10196,23 +10216,6 @@ static void disas_arm_insn(DisasContext *s, unsign= ed int insn) } return; } - if (((insn & 0x0f30f000) =3D=3D 0x0510f000) || - ((insn & 0x0f30f010) =3D=3D 0x0710f000)) { - if ((insn & (1 << 22)) =3D=3D 0) { - /* PLDW; v7MP */ - if (!arm_dc_feature(s, ARM_FEATURE_V7MP)) { - goto illegal_op; - } - } - /* Otherwise PLD; v5TE+ */ - ARCH(5TE); - return; - } - if (((insn & 0x0f70f000) =3D=3D 0x0450f000) || - ((insn & 0x0f70f010) =3D=3D 0x0650f000)) { - ARCH(7); - return; /* PLI; V7 */ - } if (((insn & 0x0f700000) =3D=3D 0x04100000) || ((insn & 0x0f700010) =3D=3D 0x06100000)) { if (!arm_dc_feature(s, ARM_FEATURE_V7MP)) { diff --git a/target/arm/a32-uncond.decode b/target/arm/a32-uncond.decode index d5ed48f0fd..aed381cb8e 100644 --- a/target/arm/a32-uncond.decode +++ b/target/arm/a32-uncond.decode @@ -54,3 +54,13 @@ SB 1111 0101 0111 1111 1111 0000 0111 0000 =20 # Set Endianness SETEND 1111 0001 0000 0001 0000 00 E:1 0 0000 0000 &setend + +# Preload instructions + +PLD 1111 0101 -101 ---- 1111 ---- ---- ---- # (imm, lit) 5= te +PLDW 1111 0101 -001 ---- 1111 ---- ---- ---- # (imm, lit) 7= mp +PLI 1111 0100 -101 ---- 1111 ---- ---- ---- # (imm, lit) 7 + +PLD 1111 0111 -101 ---- 1111 ----- -- 0 ---- # (register) 5= te +PLDW 1111 0111 -001 ---- 1111 ----- -- 0 ---- # (register) 7= mp +PLI 1111 0110 -101 ---- 1111 ----- -- 0 ---- # (register) 7 --=20 2.17.1