Subject: Re: Support for PS/2 esdi disks in bootblocks
To: Rafal Boni <rafal@mediaone.net>
From: Jason R Thorpe <thorpej@zembu.com>
List: port-i386
Date: 05/05/2001 13:04:23
On Sat, May 05, 2001 at 02:59:02PM -0400, Rafal Boni wrote:
> -> Hmm, true. Default wd(4) disklabel uses DTYPE_ESDI for disks
> -> not identified as ST506. Perhaps a change to also check for
> -> MCA bus presence would do? The assembler code for that check
> -> would be next ~700 bytes however (slighly modified stand/lib/biosmca.S).
>
> Hmm, that's a hard call... 700 bytes seems like a lot of bloat to add to
> the boot blocks just to figure out if those disks were on an ISA EDSI card
> or an MCA ESDI card. I'd hate to force the case of having an ESDI boot
> disk to automatically imply it's hanging off an MCA ESDI controller.
For PCI, the bootinfo has bus/device/function info, right? How about
a similar thing for the MCA?
--
-- Jason R. Thorpe <thorpej@zembu.com>