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Sat, 08 Jan 2022 03:25:04 -0800 (PST) Received: from [192.168.1.10] ([115.69.53.183]) by smtp.gmail.com with ESMTPSA id t7sm1720106pfj.168.2022.01.08.03.25.03 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sat, 08 Jan 2022 03:25:04 -0800 (PST) Subject: Re: libsoft retiring To: freebsd-arm@freebsd.org References: From: MJ Message-ID: Date: Sat, 8 Jan 2022 22:25:00 +1100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 List-Id: Porting FreeBSD to ARM processors List-Archive: https://lists.freebsd.org/archives/freebsd-arm List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-arm@freebsd.org MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-AU Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4JWHnM5sHjz3H2m X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20210112 header.b="RfowIXU/"; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of mafsys1234@gmail.com designates 2607:f8b0:4864:20::1033 as permitted sender) smtp.mailfrom=mafsys1234@gmail.com X-Spamd-Result: default: False [-2.00 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20210112]; FROM_HAS_DN(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-arm@freebsd.org]; TO_DN_NONE(0.00)[]; NEURAL_SPAM_MEDIUM(1.00)[1.000]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_LONG(-1.00)[-1.000]; RCVD_COUNT_THREE(0.00)[3]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::1033:from]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_TLS_ALL(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim] X-ThisMailContainsUnwantedMimeParts: N Status: O Content-Length: 891 Lines: 18 On 6/01/2022 10:58 am, Warner Losh wrote: > Greetings, > > I implemented libsoft on arm for the FreeBSD 10 -> FreeBSD 11 transition from using the 'softfp' ABI (where hardware float was used, but registers were passed in integer registers) to the 'hardfp' ABI we've used ever since. > > libsoft has been turned off since I added it as an option in 2016 6 months before the 11.0 release. Several people used it at the time to transition their 32-bit armv6 FreeBSD 10 (or 11-current) boards to armv7 FreeBSD 11. Since then I know of nobody that's used it. > > I think that it's time to retire the option entirely. https://reviews.freebsd.org/D33761 has the bits to remove it. > > Comments? > > Warner Somewhat related, does anything happen to wiki pages referencing this? Deleted, updated to show deprecation, remain static for posterity, etc? https://wiki.freebsd.org/arm/hardabi MJ