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=-9.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 BE595C7618F for ; Fri, 26 Jul 2019 18:03:13 +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 8DAD821842 for ; Fri, 26 Jul 2019 18:03:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="u1/bN0yv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8DAD821842 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]:42670 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hr4Yh-0001QC-4W for qemu-devel@archiver.kernel.org; Fri, 26 Jul 2019 14:03:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59613) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hr4Nu-0007Ne-UA for qemu-devel@nongnu.org; Fri, 26 Jul 2019 13:52:04 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hr4Nr-0001Hp-Ep for qemu-devel@nongnu.org; Fri, 26 Jul 2019 13:52:01 -0400 Received: from mail-pg1-x533.google.com ([2607:f8b0:4864:20::533]:40792) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hr4No-000128-FJ for qemu-devel@nongnu.org; Fri, 26 Jul 2019 13:51:57 -0400 Received: by mail-pg1-x533.google.com with SMTP id w10so25119067pgj.7 for ; Fri, 26 Jul 2019 10:51:43 -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=ZAbTmn5IF7GueTfMYNm2AkgzbEYkr29V4U+PzJz5VKI=; b=u1/bN0yvmLzzHZfwmGdJtqVQKUSWEOylJMAksCfq9jC94VNMAvZ3KCxdO1kjRUVRI6 /bTeVsyiywp38B2aiqP//FyAkzUuRl95nOkshxh4D6x5g2A8+TwsmjmD2UM/dhvdWItc cC5txPzMn2csHMyVAQicSWkWb0VBDzdBsMkITEFB83azfPSRORtz/j9G/p48f30RBXGM zCr6V/F8+yN8j5yFjLQdbKntZoClfHfwad7andkRFLGfRiRZEh00ICVTiR39oUpdjfl/ rjaffxT0QJgfGP9sEvNpbUVR4xDtiKs3tyRXi/ZfExQSKUIQPEVy58ZKY73hJsYukebj 5iDg== 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=ZAbTmn5IF7GueTfMYNm2AkgzbEYkr29V4U+PzJz5VKI=; b=DafL8n7M81pkrRc+4z5gQ1Gofkcm3DmBFFrEbIiff6MYeETBJn4cvKc4UngdlYOzqa qsMC+BeLFcqNW4lyXG/4j3TO9HygtgqSFB/DFkprcBCQkAY6vHUOKsQQe+JT0u/Ay0rj rfvWwrCYqztyMLj5mFuduZmPPBoMnmsfPFAIp25S1N6VRhnHPGbK5xUPLYj8vgq/xeYJ H2DZeUQoHYkFlyRbjAZGnNPfeCe2Cv2F8f3kyPK++Y/2PVE54yFD3PE8Ow3RQBjUz5ET tnfMaKbnjsBIqj6FowB5kAKH7GhGOZ1vpyjJwWynX5exErGuOaU7WZI++zGSBlA7o8EA +V3w== X-Gm-Message-State: APjAAAUmUDSBFoKsfkhKBRkp5Qd1s7fGXBCXVBf+D4B4LN4gu7R3vSOU hnFH+bjBA7I2i6w0ycAJZX8DaLlpQjA= X-Google-Smtp-Source: APXvYqzrmQc1cWucSqv8uNqZ14ZglvHu5suHln/I2VRApib+EQhZYORbzAHoL+pLziNA3BSEVS9jMA== X-Received: by 2002:a17:90a:ca0f:: with SMTP id x15mr53334493pjt.82.1564163501445; Fri, 26 Jul 2019 10:51:41 -0700 (PDT) Received: from localhost.localdomain (97-126-117-207.tukw.qwest.net. [97.126.117.207]) by smtp.gmail.com with ESMTPSA id o24sm104287919pfp.135.2019.07.26.10.51.40 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 26 Jul 2019 10:51:40 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Fri, 26 Jul 2019 10:50:21 -0700 Message-Id: <20190726175032.6769-57-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190726175032.6769-1-richard.henderson@linaro.org> References: <20190726175032.6769-1-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::533 Subject: [Qemu-devel] [PATCH 56/67] target/arm: Convert T16, Reverse bytes 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, alex.bennee@linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Richard Henderson --- target/arm/translate.c | 18 +++--------------- target/arm/t16.decode | 9 +++++++++ 2 files changed, 12 insertions(+), 15 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index 8f2adbbc7d..c9386ceefb 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -10616,7 +10616,7 @@ static void disas_thumb2_insn(DisasContext *s, uint32_t insn) static void disas_thumb_insn(DisasContext *s, uint32_t insn) { - uint32_t val, op, rm, rn, rd, shift, cond; + uint32_t val, op, rm, rd, shift, cond; int32_t offset; int i; TCGv_i32 tmp; @@ -10815,20 +10815,8 @@ static void disas_thumb_insn(DisasContext *s, uint32_t insn) break; } - /* Otherwise this is rev */ - ARCH(6); - rn = (insn >> 3) & 0x7; - rd = insn & 0x7; - tmp = load_reg(s, rn); - switch (op1) { - case 0: tcg_gen_bswap32_i32(tmp, tmp); break; - case 1: gen_rev16(tmp, tmp); break; - case 3: gen_revsh(tmp, tmp); break; - default: - g_assert_not_reached(); - } - store_reg(s, rd, tmp); - break; + /* Otherwise this is rev, in decodetree */ + goto illegal_op; } case 6: /* setend, cps; in decodetree */ diff --git a/target/arm/t16.decode b/target/arm/t16.decode index f43ea6ce20..8864f89a81 100644 --- a/target/arm/t16.decode +++ b/target/arm/t16.decode @@ -24,6 +24,7 @@ &s_rri_rot !extern s rn rd imm rot &s_rrrr !extern s rd rn rm ra &rrr_rot !extern rd rn rm rot +&rr !extern rd rm &ri !extern rd imm &r !extern rm &ldst_rr !extern p w u rn rt rm shimm shtype @@ -195,3 +196,11 @@ SETEND 1011 0110 010 1 E:1 000 &setend CPS_v6m 1011 0110 011 im:1 00 I:1 F:1 CPS 1011 0110 011 . 0 A:1 I:1 F:1 &cps mode=0 M=0 %imod } + +# Reverse bytes + +@rdm .... .... .. rm:3 rd:3 &rr + +REV 1011 1010 00 ... ... @rdm +REV16 1011 1010 01 ... ... @rdm +REVSH 1011 1010 11 ... ... @rdm -- 2.17.1