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 4D610C433EF for ; Thu, 21 Apr 2022 15:47:08 +0000 (UTC) Received: from localhost ([::1]:35152 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nhZ1P-0004x3-Df for qemu-devel@archiver.kernel.org; Thu, 21 Apr 2022 11:47:07 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42538) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nhYZ0-0006he-Ao for qemu-devel@nongnu.org; Thu, 21 Apr 2022 11:17:46 -0400 Received: from mail-pl1-x634.google.com ([2607:f8b0:4864:20::634]:46818) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nhYYy-0006Cl-NU for qemu-devel@nongnu.org; Thu, 21 Apr 2022 11:17:46 -0400 Received: by mail-pl1-x634.google.com with SMTP id q1so3995346plx.13 for ; Thu, 21 Apr 2022 08:17:44 -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 :mime-version:content-transfer-encoding; bh=kc+BmznUXwmW1pjlagM/yVLTM7/omr591S4lVhXMT6I=; b=aKtmofCBk4N0o1Hd7n0zDfJUllnQVItPRjRhTc9MPD5CdZQPkWA2XtVyWTDnO1jura mpus5QethwAOxQoAWngIxkaPNQJ3qjnQaG1NsiGyonxetmirOXR6tgwIRw3Y6PYsdwoX 0U8K2C4acKTodN3huaEkXKQ4iOhq7JHuYr4hoQtVH0lCjk779u2DmtcGrD8tbCjdO0/w WX5H0d9CQHzz/s5qqkUI2GP/DEOeMQqJQ5UlU4DA2Y+3Djs+a0+SDhYqVaHUUljm6IHP LkKWeEjmZtI1ntXlHH4pg9jd0+ga9XFB6BGgnjCUz0gEiHuAhkBkEXEPllfd4yui7hHI y1QQ== 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=kc+BmznUXwmW1pjlagM/yVLTM7/omr591S4lVhXMT6I=; b=2sT16GxlXZQQXBA/294nz91BrNY+rtFE6mwvprZXH4kqe1Np8gkM9H2ftlbWeK9Tl6 bbPUAIqwrD963n/PF0ULw0JZLdqWInj+YWN6gU6zCZrqTat5DECkHB7t2u+4e1QyaypG 3cG0XyGqR7kaXm/ZSLIlTYW2ofjcF72A86V0QvX64bArh7oycX6YRoijHRTRuXVneGcn 7A4PzSAMSWCiZk5Ft5nkWKUcmcxrClYPDExUJpaGKuNRLLoIa3ZN1eARGAg1CY1FAIt2 jGqk06g9/PsRj9SYPGXjuSrkLweg1vC/C0VxOWA+uGZ9rmCInJ07b/FTN348uJMBP+YD ZUTA== X-Gm-Message-State: AOAM531mc5clpNoW70n3mXn7E5Smzp1Ct6QZV+FPvVOmjyjuBvvctrK7 LnurN5I7LZoUlr//Bl85GNqb2KASef9WJA== X-Google-Smtp-Source: ABdhPJzZk5yGpHlahsw9etbxusB8PQTZM92aQTWOars4EjH0r/HXpLt0BcBtuLJaS73HF5U8CgR3NA== X-Received: by 2002:a17:90a:8405:b0:1bc:d521:b2c9 with SMTP id j5-20020a17090a840500b001bcd521b2c9mr10952630pjn.119.1650554263412; Thu, 21 Apr 2022 08:17:43 -0700 (PDT) Received: from stoup.. ([2607:fb90:80c8:6cf3:a91a:4957:ba18:ac18]) by smtp.gmail.com with ESMTPSA id z16-20020a056a00241000b004f3a647ae89sm24616248pfh.174.2022.04.21.08.17.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Apr 2022 08:17:43 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v7 03/64] linux-user/nios2: Drop syscall 0 "workaround" Date: Thu, 21 Apr 2022 08:16:34 -0700 Message-Id: <20220421151735.31996-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220421151735.31996-1-richard.henderson@linaro.org> References: <20220421151735.31996-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::634; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x634.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, T_SCC_BODY_TEXT_LINE=-0.01 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: , Cc: Peter Maydell Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Syscall 0 is __NR_io_setup for this target; there is nothing to work around. Reviewed-by: Peter Maydell Fixes: a0a839b65b6 ("nios2: Add usermode binaries emulation") Signed-off-by: Richard Henderson --- linux-user/nios2/cpu_loop.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/linux-user/nios2/cpu_loop.c b/linux-user/nios2/cpu_loop.c index 2e9296750d..91737c568f 100644 --- a/linux-user/nios2/cpu_loop.c +++ b/linux-user/nios2/cpu_loop.c @@ -55,10 +55,6 @@ void cpu_loop(CPUNios2State *env) env->regs[7], env->regs[8], env->regs[9], 0, 0); - if (env->regs[2] == 0) { /* FIXME: syscall 0 workaround */ - ret = 0; - } - env->regs[2] = abs(ret); /* Return value is 0..4096 */ env->regs[7] = ret > 0xfffff000u; -- 2.34.1