From patchwork Thu Feb 16 05:45:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 654012 Delivered-To: patch@linaro.org Received: by 2002:adf:f90f:0:0:0:0:0 with SMTP id b15csp178106wrr; Wed, 15 Feb 2023 21:48:38 -0800 (PST) X-Google-Smtp-Source: AK7set/10u5Q/f2ygrFlOZJoK2QAiBG7b6rnToka+VLO2rFxZi61WYZ4ZDqQa8PNOHzfLUUJfrIU X-Received: by 2002:a05:6214:27eb:b0:56e:b30a:142f with SMTP id jt11-20020a05621427eb00b0056eb30a142fmr7751326qvb.14.1676526518036; Wed, 15 Feb 2023 21:48:38 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1676526518; cv=none; d=google.com; s=arc-20160816; b=m+tGYYV4GeX5+7q0vAIkXMC2+SEhUL7Kh1DGWfPumoq6WISQ2fd0tHKdPn8ZDR6gVi erM4paiwu1oVvn7/ymko4/87Q7WZ09P4qe2pHYNbFcoBBwn1YyNHtvYL/e39pftGwhIz zDMQPZ1Nxp8mv4y6axlQSDJEQGY9pUseEQR5/ZgNvCC7Pue78PKPksx80u+ct2b69jO2 mMqcq8ZzBGbtA05eZmxKCG2pkRoXeGW9XshtFuDzkWs5mlv4smqEtQio5W5FAz4u7NFU VmMcsuhcLVouDW8SPmwOWm9OxDuYxw8TunzrqJ5WIb1ypy8lL/zVRXBmDelpuUG2715K Vvnw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=KEAS/y4KNGAZ69Ie6TWO3D+vLA+vLuj0brYQYKVkagM=; b=gtGzuG7CqK0jhj5up2tYnoSp5JEL5VzOWVEq8stQc44yBL1xh0mFK+D2MGE7nywfuQ O0f5FgkjOlVXLOimJAk1qtjZEOjezaKaaOIu8Z1u2vRru0h9lKt8xYlyv4xi8RPm4kQ+ 5UVF0EYqQWwShIwTX56uQDrbjxWCYoQKDQ81pTKsDVZn18OWtU+fN59jV1cSyvr+YKmP +XrEAHqM/3Z9ncqeewc/uduS1A/4lYlt9jYnjEW0QR4HqK9BEdkuegM804wqrVdbrTrs aMiry7NtlFLH7rpFFDXaIhiViJlg7523obdm91irezkQIGdZ4VZEfRKXvjRwznYXKaS+ OIwA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=AgkGz9FM; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (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 d12-20020a0cf0cc000000b0056e9cad6bb6si464314qvl.170.2023.02.15.21.48.37 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Wed, 15 Feb 2023 21:48:38 -0800 (PST) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=AgkGz9FM; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pSX7r-0004AM-DL; Thu, 16 Feb 2023 00:48:11 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pSX7p-00045f-CR for qemu-devel@nongnu.org; Thu, 16 Feb 2023 00:48:09 -0500 Received: from mail-pj1-x102a.google.com ([2607:f8b0:4864:20::102a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pSX7n-0005Po-QZ for qemu-devel@nongnu.org; Thu, 16 Feb 2023 00:48:09 -0500 Received: by mail-pj1-x102a.google.com with SMTP id d2so831418pjd.5 for ; Wed, 15 Feb 2023 21:48:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=KEAS/y4KNGAZ69Ie6TWO3D+vLA+vLuj0brYQYKVkagM=; b=AgkGz9FMADk2m7a001mZe0XMkPa3ZGm5T8zPPqRqBsSHfbswfzyYFLk9Xzw0S+i19B yE/onJreUEu79YZ8PcsAYFb9OMaCtKky5gQEPP8QqlH2Y7gKo53tjBciO4C+rcPpueoS e9ERLs3A2ad+sgnfWY1mQr6ftPBwBIsVmUXkTG8bMSVxIo8d2ATmlBfLmyZsdElJUH/J 4Y3vdO5ZI4xEE4d9KqPpmqGh0SDZ3m4QM9811IKL6d72fxIcJUyts3c4+ngpt42bQfTc wh8HB4sVK7SJJl+lsS0j4+QRNoB2+895fxN+jdI8lSfvlF8KS1p8FwOI+Jegt3mF9zRA ORnA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=KEAS/y4KNGAZ69Ie6TWO3D+vLA+vLuj0brYQYKVkagM=; b=dO94Vl9K79gG7iaLslAoovcGbHo9QBQIAEMkR0miVR+HcczCBZA7zaDURF+Y09k8li TmAzF/2k5qfYEaxMn5nGXdC/ie7Gtc77mHdx5z0/5CLy+dlf8W+nW11tTnPoG6rVlm3b rVeMybMV3wcRIYJrx+ZifWN5ykgzX7TgoRKP1W88QhdcxTjbsy8ZOtrPbbb49KaXpRpe B8ElR1BsYcHM8EO0VldvGmhI49+GPKTzJ8wVglus/XGWXj5A9O6EsMc8JZV02iHtbkGM TDJGeeJqdtyx3g5iaRzG4r16/vfvN+YZ6NXZPh4Lc64sM+iYgT86HJLMpw2P2T6cqics hERw== X-Gm-Message-State: AO0yUKUgi5qQ3PUVvqpgcHtPGysY42tAHB3eqNfIxlqh6YSSsBdYhztj 0+YCbi0OZasS2Mvx52zEHRqMcJKUynDWulwkyAI= X-Received: by 2002:a05:6a21:32a0:b0:c7:164b:8ab7 with SMTP id yt32-20020a056a2132a000b000c7164b8ab7mr1746151pzb.22.1676526486308; Wed, 15 Feb 2023 21:48:06 -0800 (PST) Received: from stoup.. (rrcs-74-87-59-234.west.biz.rr.com. [74.87.59.234]) by smtp.gmail.com with ESMTPSA id j184-20020a6380c1000000b0047917991e83sm358034pgd.48.2023.02.15.21.48.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Feb 2023 21:48:05 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: laurent@vivier.eu Subject: [PATCH v2 08/15] linux-user/sparc: Handle division by zero traps Date: Wed, 15 Feb 2023 19:45:09 -1000 Message-Id: <20230216054516.1267305-9-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230216054516.1267305-1-richard.henderson@linaro.org> References: <20230216054516.1267305-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::102a; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102a.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=ham 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: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org In addition to the hw trap vector, there is a software trap assigned for older sparc without hw division instructions. Signed-off-by: Richard Henderson --- linux-user/sparc/cpu_loop.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c index c14eaea163..e04c842867 100644 --- a/linux-user/sparc/cpu_loop.c +++ b/linux-user/sparc/cpu_loop.c @@ -211,6 +211,11 @@ void cpu_loop (CPUSPARCState *env) force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->pc); break; + case TT_TRAP + 0x02: /* div0 */ + case TT_DIV_ZERO: + force_sig_fault(TARGET_SIGFPE, TARGET_FPE_INTDIV, env->pc); + break; + case TT_TRAP + 0x03: /* flush windows */ flush_windows(env); /* next instruction */