Subject: Re: TLB manager for devices -- Re: CVS commit: src
To: Toru Nishimura <email@example.com>
From: Jason Thorpe <firstname.lastname@example.org>
Date: 04/26/1999 12:08:27
On Mon, 26 Apr 1999 15:57:54 +0900 (JST)
email@example.com (Toru Nishimura) wrote:
> >> 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.
-- Jason R. Thorpe <firstname.lastname@example.org>