From nobody Tue Feb 06 19:47:34 2024 X-Original-To: freebsd-questions@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4TTv163jf6z59rJg for ; Tue, 6 Feb 2024 19:47:54 +0000 (UTC) (envelope-from freebsd@edvax.de) Received: from mout.kundenserver.de (mout.kundenserver.de [212.227.126.131]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "mout.kundenserver.de", Issuer "Telekom Security ServerID OV Class 2 CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4TTv146t9cz4LTW for ; Tue, 6 Feb 2024 19:47:52 +0000 (UTC) (envelope-from freebsd@edvax.de) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=edvax.de header.s=s1-ionos header.b=b9vpHxb7; dmarc=none; spf=pass (mx1.freebsd.org: domain of freebsd@edvax.de designates 212.227.126.131 as permitted sender) smtp.mailfrom=freebsd@edvax.de DKIM-Signature: v=1; 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i386-portbld-freebsd8.2) List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:m6dcQfDL/HO5wuad4tTLtgMy7Bz98mrvGeKA9qmDDDeadt92ecu suxR8e55GvXJ0aO+poDh1COqUWnoQKFAm5yGEGn+tHaBGuOMVvjiaHujsju1RsAIrnCnjOW 3h7GY50WJ1thRLge9k/PLTlP2Li9aAZk5wnyeVZFXqQ/Wln4CdBE7ccyFm9bIsJm7WiCFLU UIkw5fIGH/bJA+ycAYtsg== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:q1ln8BxtC0w=;YYokNJppMS2RQkiO338c7FyMC5u ViFbYo/XeBypGhhlkw0T0UdYLkRGQgRmgHf3I23R+QSyndJdhZ1UWmeUZjV23mWelklFo9K6m Jn0RZB9i9/yEaAwK/OxR6oy54D25+89qaZmo848YcyPzYhDjZScWDJ5W36vJk9Ml4EX2wABDM SI1wj65VE7YOFcNP7+opvWhD2vPlI2+lXiVf76Y/xd5zJ2PK4LxpcV/72HrIE1mRXNt1KD+Vq KyEAy58/YmtbacY3u45SRJF7Nc+Y7bqz+qqfN6KIS6cIDV3UXVBChjVwtm01tPqkUja18syOt zeuLWTE4CBHAkVxazWd32TRO4Gppd5PgC8nuSeUZKEA6exvJGvSzA3vwCWPEl500tQeXcuyak haSEAG5JTDbB21nzrE8YICti3DHv9KmtsG8t3lyWw3oEQ4s7qo8TbhxmszY06kOhpacKy6sUU KJFeUIIpZ87YgIpm+S1aj+ZBpaGRsu6at1MhR8AUEQcMIJh+IklfdSayStgJojpy5hf0H2nwE hYbwO4CP21OOR1dZyHuunL3LjyEOcR1/N7aH+240C0NUIRXBwe7WfbHoWrduWpor7I5SRLA53 5V0V8bJz2L22QbXw2O8/DtULQ90EmX0NX2Jpa58Y/Sd7f7zj7F6NP24NSwztLKk/b+H6jMeK1 GYn/wi4QN/Fr11ysb6QVKLdPOQovg30JBgw2jez9k/4ruWr7GBCCQWf+rs0ewJgnSn7Lfg6xU TtY0ZdyBieMcBIFnZ0ZDiKWXveZ2Ms6+7ggdzCUzdRPaahxmDg98oo= X-Spamd-Bar: -- X-Spamd-Result: default: False [-2.20 / 15.00]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; MV_CASE(0.50)[]; R_DKIM_ALLOW(-0.20)[edvax.de:s=s1-ionos]; R_SPF_ALLOW(-0.20)[+ip4:212.227.126.128/25]; RWL_MAILSPIKE_VERYGOOD(-0.20)[212.227.126.131:from]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; TO_DN_ALL(0.00)[]; ARC_NA(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[212.227.126.131:from]; MIME_TRACE(0.00)[0:+]; DMARC_NA(0.00)[edvax.de]; HAS_ORG_HEADER(0.00)[]; FREEMAIL_CC(0.00)[freebsd.org,post.com]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; DKIM_TRACE(0.00)[edvax.de:+]; MLMMJ_DEST(0.00)[freebsd-questions@freebsd.org]; ASN(0.00)[asn:8560, ipnet:212.227.0.0/16, country:DE]; RCVD_VIA_SMTP_AUTH(0.00)[]; HAS_REPLYTO(0.00)[freebsd@edvax.de]; REPLYTO_EQ_FROM(0.00)[] X-Rspamd-Queue-Id: 4TTv146t9cz4LTW On Mon, 5 Feb 2024 13:03:33 -0600, Doug McIntyre wrote: > On Mon, Feb 05, 2024 at 01:27:30PM +0100, Rocky Hotas wrote: > > But what does it exactly represent? Is it just a logical starting poin= t > > for the device tree, or is there some physical device behind it? > > Its the abstracted version of the X86/X64 hardware/BIOS on all modern ha= rdware for the OS layer. > > Starting with the Wikipedia page would be a good intro. > https://en.wikipedia.org/wiki/ACPI Also don't underestimate the power of the locally installed documentation: $ man 4 acpi You get a good overview of the general function of the device and the associated sysctls, as well as configuration options for the loader. =2D- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...