From owner-freebsd-hackers  Tue Aug 22  4:44:35 2000
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Date: Tue, 22 Aug 2000 04:44:21 -0700
From: Alfred Perlstein <bright@wintelcom.net>
To: Pran Joseph <pran@procsys.com>
Cc: freebsd-hackers@FreeBSD.ORG
Subject: Re: Memory Mapping
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References: <39A2664F.3337A741@procsys.com>
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* Pran Joseph <pran@procsys.com> [000822 04:36] wrote:
> Hi,
> 
>   I am trying to write a PCI ethernet driver for FreeBSD 3.4 release . I
> am new to the driver stuff.
> 
>    I want to allocate some memory for device buffer  using malloc
> function. I also want the physical address of allocated  memory block
> so that I can initialize the device registers.
> 
>    Can any one of you please explain me how I can convert address
> returned by
> malloc to Physical address.

VTOPHYS or vtophys.

-Alfred


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