From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) by sourceware.org (Postfix) with ESMTPS id 225023858D3C for ; Thu, 18 Apr 2024 12:53:18 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 225023858D3C Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=denx.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=denx.de ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 225023858D3C Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=85.214.62.61 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1713444800; cv=none; b=QpUhn8ae5ZWHCJWwnvA4P5gxYppszh273csYGbKt96dv54zV4dB6O1RpsFp/YXFefwtvEzOfvqZRqbnAzpfyi8Ddr1T0FVtD1ylWNqlFglhwNs0jH7PZdV5MLwk6mniVVUWsO5iLhArkO1TCWw7ZW5+TOeBGXjHuSeIyrwdHP5w= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1713444800; c=relaxed/simple; bh=8P9rX7eQCsc2JbDl8x6vIapv9JAxFwvC1zEKVMB8uKU=; h=DKIM-Signature:Message-ID:Date:MIME-Version:Subject:To:From; b=WBuGa5+hr9e+Qprqew0NYZ/AWvPZDE7z8wUOkucl6prJoNqFYY0d/cSlXbEA0TD4QlpCT50VykCoW93F64zthD3UWR8DWoxM0U3KAV099BXV4Vwb7tZuaiQ6mRR+Bb2EQm9fLT//VG3qGjcwq02Hg8IVzB1sMiXKhttB9x0hBa8= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from [127.0.0.1] (p578adb1c.dip0.t-ipconnect.de [87.138.219.28]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id DFC0C8863F; Thu, 18 Apr 2024 14:53:15 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1713444796; bh=qiauDGd5nvpF0uqMxoHBcAQllVXTs/3t5gRKxCiSPsw=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=QjIaOZK4WVMwTBiMJYC7kfxxKho2FLGrqBFbV0jDftN3+6vQsTv8JrvlTIJyTbuPX bNxdJp6r8dCsXTmnJlxVArJP3IfE16mpYu577obEBMWSc+xWDhB0d70XmnU+OhjGBK PMJoyWmbSGhq1o/gda61JxidMk5wRtc0izYiH5Vw6V8EOjMY7YWhQoxUtHAiT3Pt5G E5MKiUM4ZXfSz3+MAVxazFoEbsQLek8wnOI5vWFMiJyWwORUXyE/8JSYAXF5QwOCNO 2nQRFr+KiqZQDxVVW6QczSnbXfqcHBnt+H14E9CnDR5D78URLjDwlmcDJ4ULhji9yW lgqJWA3SrOkVQ== Message-ID: <65d43669-d4d1-44eb-870e-7a20af64e14a@denx.de> Date: Thu, 18 Apr 2024 14:49:04 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Deprecation/removal of nios2 target support To: Thomas Huth , 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 References: <55a1bc52-b435-463e-8be1-4b23e44393a0@baylibre.com> <6b7e61bb-edd3-42ee-a39c-f77fd43aa7df@redhat.com> Content-Language: en-US From: Marek Vasut In-Reply-To: <6b7e61bb-edd3-42ee-a39c-f77fd43aa7df@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham 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 4/18/24 7:53 AM, Thomas Huth wrote: > 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). Thank you and sorry for being inactive for so long around nios2.