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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 0366BC433EF for ; Fri, 11 Feb 2022 02:06:38 +0000 (UTC) Received: from localhost ([::1]:55238 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nILKW-0007dW-Ra for qemu-devel@archiver.kernel.org; Thu, 10 Feb 2022 21:06:36 -0500 Received: from eggs.gnu.org ([209.51.188.92]:38778) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nIKnN-0004J1-ID for qemu-devel@nongnu.org; Thu, 10 Feb 2022 20:32:21 -0500 Received: from [2607:f8b0:4864:20::42a] (port=40599 helo=mail-pf1-x42a.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nIKnL-0007QD-Ki for qemu-devel@nongnu.org; Thu, 10 Feb 2022 20:32:21 -0500 Received: by mail-pf1-x42a.google.com with SMTP id a39so12644585pfx.7 for ; Thu, 10 Feb 2022 17:32:19 -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=gtQTuzYRH3IYlPuAlfK2e9bXFz+7xqKrXCWRmmR5YQg=; b=RosGj4MBi2IpXThl9LAkqjZHBJF0/yybULfjgDVEkh/xvVpz+gWbCdOObtOCfAmrIm u9jpbDgN79uA2QD8KnZgVUEybSK0wOXkbIrKdGCjSgIURjNR3SY70ca5Sjvjlu9b9Gex Wog7+NQbvIS/OnlByB0Lm2Y2VEmFJZG2HQ23dt3tG/9HxmBZPh/cGxDvLJwYjDB+rJxe T6gWkscKLzoeh5qbcI98SvDebbIC7IBOHUNgZYeOlb+M1edm8S4b1XuWZPu0F3DQNg7b lzhdC2P/eGpnJ8NF0/yKWtqa5jbMu25y+wWzD1ByVScBJ4ylza3q8ycYdhK0cK944sxD Rr2Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=gtQTuzYRH3IYlPuAlfK2e9bXFz+7xqKrXCWRmmR5YQg=; b=QmjefTk0M79lxsITjLrEiu1tnmLm5IkSutvOTwQTEz72LbaIHnM9kGXzEtPKM8R7oA bjckz0wkfSskTFtd9R/9yTDWA001vgzX0CvYY+PatnewEGMDoTELnHWXTddbIljnq7Fy LkHY6MmpCyQzZYG4n2Es+HrH2H0cPgVte2SN2fgu6KIn/lZobkHsbNUqZfA+3MAhogV+ riTyJFTxBioIbTpWKqRy7wN4t7aRHAMJdqFUNpFpKA8VmDHQ+X/+X58wP1Kk8u95sNl9 q8JQEeqjDM1opAiUurd+JQJnGiIPLDFM7M06pWME0lYrtt1ODgYpw2oy3SBBinefM6Ef BgIw== X-Gm-Message-State: AOAM533nMQFuEjbpliV5oB/tciJ57xUFpClTqm+6ym+LMJpWkUYrcdGp AAjrtBqkCylZ959Gl4VGiCVxH1C9DRSnCfSK X-Google-Smtp-Source: ABdhPJy7NWb/cYvtsW68qDuadwAi6/hY7wip2DtYjDQJ+We3Kug2TGWss9Y44I5/C18o7ELLk6E6qQ== X-Received: by 2002:a05:6a00:1345:: with SMTP id k5mr10328307pfu.29.1644543138428; Thu, 10 Feb 2022 17:32:18 -0800 (PST) Received: from localhost.localdomain ([124.189.222.164]) by smtp.gmail.com with ESMTPSA id h5sm25738788pfi.111.2022.02.10.17.32.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Feb 2022 17:32:18 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 17/34] tcg/arm: Drop support for armv4 and armv5 hosts Date: Fri, 11 Feb 2022 12:30:42 +1100 Message-Id: <20220211013059.17994-18-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220211013059.17994-1-richard.henderson@linaro.org> References: <20220211013059.17994-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::42a (failed) Received-SPF: pass client-ip=2607:f8b0:4864:20::42a; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42a.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 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, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: , Cc: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Support for unaligned accesses is difficult for pre-v6 hosts. While debian still builds for armv4, we cannot use a compile time test, so test the architecture at runtime and error out. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- tcg/arm/tcg-target.c.inc | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc index 5345c4e39c..29d63e98a8 100644 --- a/tcg/arm/tcg-target.c.inc +++ b/tcg/arm/tcg-target.c.inc @@ -2474,6 +2474,11 @@ static void tcg_target_init(TCGContext *s) if (pl != NULL && pl[0] == 'v' && pl[1] >= '4' && pl[1] <= '9') { arm_arch = pl[1] - '0'; } + + if (arm_arch < 6) { + error_report("TCG: ARMv%d is unsupported; exiting", arm_arch); + exit(EXIT_FAILURE); + } } tcg_target_available_regs[TCG_TYPE_I32] = ALL_GENERAL_REGS; -- 2.25.1