Subject: Re: TLB manager for devices -- Re: CVS commit: src
To: None <firstname.lastname@example.org, email@example.com>
From: Toru Nishimura <firstname.lastname@example.org>
Date: 04/27/1999 09:56:31
>>> To support the i860 properly, we need a TLB manager and the
>>> right ucode for the damn thing.
>> Special TLB management framework will be required ultimately to
>> support the variety of devices found in Alpha/DECstations (think about
>> R4000 and Alpha TLB)
> NetBSD/mips common code leaves 6 entry of R3000 hard-wired TLBs for no
> purpose. These can over upto 24KB of memory region. Are they useful
> with your driver?
> I think he means to manage the i860's TLB. So, this is actually more like
> what you need to do for SGMAP DMA on the Alpha.
Doo, I see I misunderstood. The doomed i860 has the exactly same VM
machinary as i386, does it?
Nara Institute of Science and Technolgy