Date: Sat, 22 Apr 1995 00:48:35 +1000 From: Bruce Evans <bde@zeta.org.au> To: bde@zeta.org.au, julian@ref.tfs.com Cc: hackers@FreeBSD.org Subject: Re: Returned mail: Re: Booting from second hard drive (SCSI) problems (Again!!) Message-ID: <199504211448.AAA23965@godzilla.zeta.org.au>
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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
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