Date: Mon, 19 Jun 2000 18:36:14 +0200 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Warner Losh <imp@village.org> Cc: Mitsuru IWASAKI <iwasaki@jp.freebsd.org>, bfischer@Techfak.Uni-Bielefeld.DE, acpi-jp@jp.freebsd.org, dcs@newsguy.com, freebsd-current@FreeBSD.ORG, freebsd-hackers@FreeBSD.ORG Subject: Re: ACPI project progress report Message-ID: <45525.961432574@critter.freebsd.dk> In-Reply-To: Your message of "Mon, 19 Jun 2000 10:30:53 MDT." <200006191630.KAA60652@harmony.village.org>
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In message <200006191630.KAA60652@harmony.village.org>, Warner Losh writes: >In message <20000620003220R.iwasaki@jp.FreeBSD.org> Mitsuru IWASAKI writes: >: Maybe I'm wrong because of lack of my understanding on crush dump and >: loader. Please help us :-) > >I think that you might be able to do this. The real tricky part maybe >saving hardware RAM that the drivers expect to be there when you >wakeup. I thinking of video ram and the X server's font cache, to >name one example. Drivers will need a "your hardware may have been zonked" entrypoint, think about the i8254 counter or all the weird versions of write only or "write here - read there" I/O registers in existence. Obviously the video driver will need to send a signal or clue to the Xserver saying "you own the device, you'd better do something" -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD coreteam member | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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