From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id 4135C3858404 for ; Thu, 18 Apr 2024 05:53:27 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 4135C3858404 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=redhat.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 4135C3858404 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1713419609; cv=none; b=B//tLkab0zFFmpW7YZrE4mPcRfGR3NvJdx2rnpaozUj/tlQxmfXcPgg5cNyRDa1lN/terLliQ//CMNrtdI6f5O8ixz9JLteabfO7t5/0zFAxj4bwXL0kv3pmMmIYKY30C1DpAtjyLyut84b+WVn7ZAoR0/00yNHTSdvVVxJB+3Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1713419609; c=relaxed/simple; bh=//aly6EI1xrD1McH2CA2xV8T30DX1q2etlZPxKCGHXs=; h=DKIM-Signature:Message-ID:Date:MIME-Version:Subject:To:From; b=B4CpQGMDELMof5MTo5jsG7utMIjIGOybyzUYp3D4xLE9ugsIJi9ZwkOjKvmHGi+pD0uClwp/pXo7nTVDM2ldtqFJC/TC4po5j8XKru1EM7VgQw/vRxQkmZLoVSAzs9No5DOHBNf+ZLnKNu1FOeA2mZRIyJ3sSSr+A6QpiHMCT38= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1713419606; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=DZyce+2XNxQJ8DDfB+hCemEGnSegwR7XjQnSZ2Kh1vo=; b=W21mh8OoiJ5qjCEM61f7GGKM3aJpFjEWJSjJHUoRa04rYB9vEZBE808Lpai54wgyWfuuIf hWmAxmZgyGrA51Gs8ImSI7v+5hp9u3Rdn0dwdJhxeXnJo9bntyavIqTf6wBm2EYmJ1jh1r d7WPHYnfSwFJ7PSFihLYM6b2pZ/kbqc= Received: from mail-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-64-7DJKWtf6MHGtMCCvkBsJJg-1; Thu, 18 Apr 2024 01:53:22 -0400 X-MC-Unique: 7DJKWtf6MHGtMCCvkBsJJg-1 Received: by mail-wr1-f71.google.com with SMTP id ffacd0b85a97d-343c8e87a74so346430f8f.0 for ; Wed, 17 Apr 2024 22:53:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1713419601; x=1714024401; h=content-transfer-encoding:in-reply-to:autocrypt:content-language :from:references:cc:to:subject:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=DZyce+2XNxQJ8DDfB+hCemEGnSegwR7XjQnSZ2Kh1vo=; b=EkRDTWbV6ujP37PX1yy4XJO2bWlWUaWPfyhjEfbyzzJRapHOGMXg2DYchH/1UPRI3M G8KR+F8PNwrbtuKhnRLsw0x8X1whJefkEIO1JSylryZ7s5LvkRVINWRVnoGfqrAkE4ww enE8lZuBq/IVqoFshcHb/rvLPsbaitjwxxIAm8cQheTsaRwaS52MSXv1P2fUDxBHQtTh I+NDcM9J0NBn6bTxv/LRa7Ai7IlviZJ/n86sM152yOJjhp36dQ+4xf6AKSg657RhfcaZ asrDdNxu+OoolYu/t585e+xg2zIoyrLW1oQT9KTFjoLK2Xm4Ls219xgx68ws2UYGfHCz 0Hog== X-Forwarded-Encrypted: i=1; AJvYcCWGK60+uXjHA5nipf45OOM8z0k90hJsXbFX/T29802VJIe72Uh2EZ1mKBlYN5nw/1/pLdo66v93NSlyodlh+Pn5vaczW4dQbw== X-Gm-Message-State: AOJu0Yz4c5B0F0zYHB6KT9VS0SDkefuQYY4xIV76HNSK7YH9Bne6BIOW XgOOOx6YeEJbbJ9T5P/ZZ6xFyvp0JVjzhXg60qcHv8WR0e9eVJihGW0Kmimh8zYrWYHIe027yTk C+GdLWutVWDGRlqz6JTmshss+VsQ6AzfAxWANWCLQVW507KYvNgdYCvQ= X-Received: by 2002:adf:ead1:0:b0:347:9e5a:3078 with SMTP id o17-20020adfead1000000b003479e5a3078mr1035972wrn.1.1713419600946; Wed, 17 Apr 2024 22:53:20 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFScIO0XPM4ysDpy7846JgiTFm4d0EQ82OrBlswTTq8AxJmpYzttU/XffNL0OimtAl8IEHfEA== X-Received: by 2002:adf:ead1:0:b0:347:9e5a:3078 with SMTP id o17-20020adfead1000000b003479e5a3078mr1035951wrn.1.1713419600539; Wed, 17 Apr 2024 22:53:20 -0700 (PDT) Received: from [192.168.0.9] (ip-109-43-177-117.web.vodafone.de. [109.43.177.117]) by smtp.gmail.com with ESMTPSA id e7-20020a5d65c7000000b00349eb6eae3esm907156wrw.4.2024.04.17.22.53.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 17 Apr 2024 22:53:20 -0700 (PDT) Message-ID: <6b7e61bb-edd3-42ee-a39c-f77fd43aa7df@redhat.com> Date: Thu, 18 Apr 2024 07:53:18 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Deprecation/removal of nios2 target support To: Sandra Loosemore , gcc@gcc.gnu.org, binutils@sourceware.org, gdb-patches@sourceware.org, libc-alpha@sourceware.org, Chung-Lin Tang , andrew@reenigne.org, Yao Qi Cc: Dinh Nguyen , qemu-devel@nongnu.org, newlib@sourceware.org, =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= , Chris Wulff , Marek Vasut References: <55a1bc52-b435-463e-8be1-4b23e44393a0@baylibre.com> From: Thomas Huth Autocrypt: addr=thuth@redhat.com; keydata= xsFNBFH7eUwBEACzyOXKU+5Pcs6wNpKzrlJwzRl3VGZt95VCdb+FgoU9g11m7FWcOafrVRwU yYkTm9+7zBUc0sW5AuPGR/dp3pSLX/yFWsA/UB4nJsHqgDvDU7BImSeiTrnpMOTXb7Arw2a2 4CflIyFqjCpfDM4MuTmzTjXq4Uov1giGE9X6viNo1pxyEpd7PanlKNnf4PqEQp06X4IgUacW tSGj6Gcns1bCuHV8OPWLkf4hkRnu8hdL6i60Yxz4E6TqlrpxsfYwLXgEeswPHOA6Mn4Cso9O 0lewVYfFfsmokfAVMKWzOl1Sr0KGI5T9CpmRfAiSHpthhHWnECcJFwl72NTi6kUcUzG4se81 O6n9d/kTj7pzTmBdfwuOZ0YUSqcqs0W+l1NcASSYZQaDoD3/SLk+nqVeCBB4OnYOGhgmIHNW 0CwMRO/GK+20alxzk//V9GmIM2ACElbfF8+Uug3pqiHkVnKqM7W9/S1NH2qmxB6zMiJUHlTH gnVeZX0dgH27mzstcF786uPcdEqS0KJuxh2kk5IvUSL3Qn3ZgmgdxBMyCPciD/1cb7/Ahazr 3ThHQXSHXkH/aDXdfLsKVuwDzHLVSkdSnZdt5HHh75/NFHxwaTlydgfHmFFwodK8y/TjyiGZ zg2Kje38xnz8zKn9iesFBCcONXS7txENTzX0z80WKBhK+XSFJwARAQABzR5UaG9tYXMgSHV0 aCA8dGh1dGhAcmVkaGF0LmNvbT7CwXgEEwECACIFAlVgX6oCGwMGCwkIBwMCBhUIAgkKCwQW AgMBAh4BAheAAAoJEC7Z13T+cC21EbIP/ii9cvT2HHGbFRl8HqGT6+7Wkb+XLMqJBMAIGiQK QIP3xk1HPTsLfVG0ao4hy/oYkGNOP8+ubLnZen6Yq3zAFiMhQ44lvgigDYJo3Ve59gfe99KX EbtB+X95ODARkq0McR6OAsPNJ7gpEUzfkQUUJTXRDQXfG/FX303Gvk+YU0spm2tsIKPl6AmV 1CegDljzjycyfJbk418MQmMu2T82kjrkEofUO2a24ed3VGC0/Uz//XCR2ZTo+vBoBUQl41BD eFFtoCSrzo3yPFS+w5fkH9NT8ChdpSlbNS32NhYQhJtr9zjWyFRf0Zk+T/1P7ECn6gTEkp5k ofFIA4MFBc/fXbaDRtBmPB0N9pqTFApIUI4vuFPPO0JDrII9dLwZ6lO9EKiwuVlvr1wwzsgq zJTPBU3qHaUO4d/8G+gD7AL/6T4zi8Jo/GmjBsnYaTzbm94lf0CjXjsOX3seMhaE6WAZOQQG tZHAO1kAPWpaxne+wtgMKthyPLNwelLf+xzGvrIKvLX6QuLoWMnWldu22z2ICVnLQChlR9d6 WW8QFEpo/FK7omuS8KvvopFcOOdlbFMM8Y/8vBgVMSsK6fsYUhruny/PahprPbYGiNIhKqz7 UvgyZVl4pBFjTaz/SbimTk210vIlkDyy1WuS8Zsn0htv4+jQPgo9rqFE4mipJjy/iboDzsFN BFH7eUwBEAC2nzfUeeI8dv0C4qrfCPze6NkryUflEut9WwHhfXCLjtvCjnoGqFelH/PE9NF4 4VPSCdvD1SSmFVzu6T9qWdcwMSaC+e7G/z0/AhBfqTeosAF5XvKQlAb9ZPkdDr7YN0a1XDfa +NgA+JZB4ROyBZFFAwNHT+HCnyzy0v9Sh3BgJJwfpXHH2l3LfncvV8rgFv0bvdr70U+On2XH 5bApOyW1WpIG5KPJlDdzcQTyptOJ1dnEHfwnABEfzI3dNf63rlxsGouX/NFRRRNqkdClQR3K gCwciaXfZ7ir7fF0u1N2UuLsWA8Ei1JrNypk+MRxhbvdQC4tyZCZ8mVDk+QOK6pyK2f4rMf/ WmqxNTtAVmNuZIwnJdjRMMSs4W4w6N/bRvpqtykSqx7VXcgqtv6eqoDZrNuhGbekQA0sAnCJ VPArerAZGArm63o39me/bRUQeQVSxEBmg66yshF9HkcUPGVeC4B0TPwz+HFcVhheo6hoJjLq knFOPLRj+0h+ZL+D0GenyqD3CyuyeTT5dGcNU9qT74bdSr20k/CklvI7S9yoQje8BeQAHtdV cvO8XCLrpGuw9SgOS7OP5oI26a0548M4KldAY+kqX6XVphEw3/6U1KTf7WxW5zYLTtadjISB X9xsRWSU+Yqs3C7oN5TIPSoj9tXMoxZkCIHWvnqGwZ7JhwARAQABwsFfBBgBAgAJBQJR+3lM AhsMAAoJEC7Z13T+cC21hPAQAIsBL9MdGpdEpvXs9CYrBkd6tS9mbaSWj6XBDfA1AEdQkBOn ZH1Qt7HJesk+qNSnLv6+jP4VwqK5AFMrKJ6IjE7jqgzGxtcZnvSjeDGPF1h2CKZQPpTw890k fy18AvgFHkVk2Oylyexw3aOBsXg6ukN44vIFqPoc+YSU0+0QIdYJp/XFsgWxnFIMYwDpxSHS 5fdDxUjsk3UBHZx+IhFjs2siVZi5wnHIqM7eK9abr2cK2weInTBwXwqVWjsXZ4tq5+jQrwDK cvxIcwXdUTLGxc4/Z/VRH1PZSvfQxdxMGmNTGaXVNfdFZjm4fz0mz+OUi6AHC4CZpwnsliGV ODqwX8Y1zic9viSTbKS01ZNp175POyWViUk9qisPZB7ypfSIVSEULrL347qY/hm9ahhqmn17 Ng255syASv3ehvX7iwWDfzXbA0/TVaqwa1YIkec+/8miicV0zMP9siRcYQkyTqSzaTFBBmqD oiT+z+/E59qj/EKfyce3sbC9XLjXv3mHMrq1tKX4G7IJGnS989E/fg6crv6NHae9Ckm7+lSs IQu4bBP2GxiRQ+NV3iV/KU3ebMRzqIC//DCOxzQNFNJAKldPe/bKZMCxEqtVoRkuJtNdp/5a yXFZ6TfE1hGKrDBYAm4vrnZ4CXFSBDllL59cFFOJCkn4Xboj/aVxxJxF30bn In-Reply-To: <55a1bc52-b435-463e-8be1-4b23e44393a0@baylibre.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_ABUSEAT,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,RCVD_IN_SBL_CSS,SPF_HELO_NONE,SPF_NONE,TXREP autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 18/04/2024 05.27, Sandra Loosemore wrote: > Tomorrow I plan to push patches to mark the nios2 target as obsolete in GCC 14. > > Background: Intel has EOL'ed the Nios II processor IP and is now directing > their FPGA customers to a RISC-V platform instead. > > https://www.intel.com/content/www/us/en/content-details/781327/intel-is-discontinuing-ip-ordering-codes-listed-in-pdn2312-for-nios-ii-ip.html > > The Nios II hardware on loan from Intel that we were using for testing at > Mentor Graphics/Siemens was returned around the first of the year. For some > time we had been using QEMU to test the nios2-elf target, but we never had a > QEMU test harness set up that would boot the Linux kernel, and user-mode > QEMU on this target is too buggy/unmaintained to use for primary testing. > So the current situation is that none of the listed maintainers for any of > the GNU toolchain components have access to a fully working test > configuration any more, we have all moved on to new jobs and different > projects, Intel has also moved on to a different platform, and our former > contacts on Intel's Nios II team have moved on as well.  It seems like it's > time to pull the plug. > > Therefore I'd like to mark Nios II as obsolete in GCC 14 now, and remove > support from all toolchain components after the release is made.  I'm not > sure there is an established process for obsoleting/removing support in > other components; besides binutils, GDB, and GLIBC, there's QEMU, > newlib/libgloss, and the Linux kernel.  But, we need to get the ball rolling > somewhere. Thanks for the heads-up, Sandra! FWIW: QEMU already marked the nios2 target as deprecated, too, and plans to remove it in version 9.1 (in autumn this year). Thomas