From: Kasper Dupont <kasperd@daimi.au.dk>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [CFT] kexec syscall for 2.5.43 (linux booting linux)
Date: Mon, 28 Oct 2002 08:45:50 +0100 [thread overview]
Message-ID: <3DBCEB2E.BC3956FD@daimi.au.dk> (raw)
In-Reply-To: m1k7kfzffk.fsf@frodo.biederman.org
"Eric W. Biederman" wrote:
>
> +static void i8259A_remove(struct device *dev)
> +{
> + /* Restore the i8259A to it's legacy dos setup.
> + * The kernel won't be using it any more, and it
> + * just might make reboots, and kexec type applications
> + * more stable.
> + */
> + outb(0xff, 0x21); /* mask all of 8259A-1 */
> + outb(0xff, 0xA1); /* mask all of 8259A-1 */
> +
> + outb_p(0x11, 0x20); /* ICW1: select 8259A-1 init */
> + outb_p(0x08, 0x21); /* ICW2: 8259A-1 IR0-7 mappend to 0x8-0xf */
> + outb_p(0x01, 0x21); /* Normal 8086 auto EOI mode */
> +
> + outb_p(0x11, 0xA0); /* ICW1: select 8259A-2 init */
> + outb_p(0x08, 0xA1); /* ICW2: 8259A-2 IR0-7 mappend to 0x70-0x77 */
^^^^ ^^^^
This looks wrong to me.
--
Kasper Dupont -- der bruger for meget tid på usenet.
For sending spam use mailto:aaarep@daimi.au.dk
Don't do this at home kids: touch -- -rf
next prev parent reply other threads:[~2002-10-28 7:39 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-18 19:59 [CFT] kexec syscall for 2.5.43 (linux booting linux) Eric W. Biederman
[not found] ` <20021018173248.E14894@almesberger.net>
[not found] ` <m1bs5rz1d6.fsf@frodo.biederman.org>
[not found] ` <20021018231540.C7951@almesberger.net>
[not found] ` <20021019025309.A24579@almesberger.net>
[not found] ` <m17kgfyltc.fsf@frodo.biederman.org>
[not found] ` <20021019040600.D7951@almesberger.net>
2002-10-19 9:34 ` Eric W. Biederman
2002-10-19 17:18 ` Werner Almesberger
2002-10-19 17:37 ` Eric W. Biederman
2002-10-21 23:11 ` [Fastboot] " Andy Pfiffer
2002-10-22 4:18 ` Eric W. Biederman
2002-10-22 6:04 ` Eric W. Biederman
2002-10-22 8:33 ` Eric W. Biederman
2002-10-22 3:57 ` Rob Landley
2002-10-22 14:48 ` Eric W. Biederman
2002-10-22 16:02 ` Eric W. Biederman
2002-10-22 16:27 ` erich
2002-10-23 2:23 ` Eric W. Biederman
2002-10-22 16:30 ` erich
2002-10-22 23:27 ` Andy Pfiffer
2002-10-22 23:32 ` Andy Pfiffer
2002-10-22 8:30 ` Werner Almesberger
2002-10-22 8:55 ` Eric W. Biederman
2002-10-22 23:17 ` Andy Pfiffer
2002-10-23 6:29 ` Eric W. Biederman
2002-10-23 17:11 ` Andy Pfiffer
2002-10-24 17:10 ` Eric W. Biederman
2002-10-28 7:45 ` Kasper Dupont [this message]
2002-10-28 8:24 ` Eric W. Biederman
2002-10-28 8:48 ` Kasper Dupont
2002-10-28 17:14 ` Eric W. Biederman
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