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Date: Sat, 22 Apr 1995 00:48:35 +1000
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199504211448.AAA23965@godzilla.zeta.org.au>
To: bde@zeta.org.au, julian@ref.tfs.com
Subject: Re: Returned mail: Re: Booting from second hard drive (SCSI) problems (Again!!)
Cc: hackers@FreeBSD.org
Sender: hackers-owner@FreeBSD.org
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>> >#ifdef  BOOT_HD
>> >        maj = (drive&0x80 ? 0 : 1);             /* a good first bet */
>> >#else   
>> >        maj = (drive&0x80 ? 0 : 2);             /* a good first bet */
>> >#endif  
>> 
>> Shouldn't this be
>> 
>> >#ifdef  BOOT_HD
>> >        maj = (drive&0x80 ? 1 : 2);             /* a bad first bet */
>> >#else   
>> >        maj = (drive&0x80 ? 0 : 2);             /* another bad first bet */
>> >#endif  
>> 
>> ?
>NO, I had it correct..
>major 0 if off a floppy and major 1 if not..

The above gives major 0 if off a hard disk and major 1 if off a floppy
(the 0x80 bit is for hard disks).

>major 1 is a 'pseudo' mojor which is later changed to 2 or 4
>depending on whether it's scsi

Actually, major 1 is later changed to 0 or 4 (2 is the floppy major).

Bruce