[ts-7000] Re: what is dev/mem

["thomas" <>]

Thanks Jimmy,

What does the statement do: start = mmap(0, getpagesize(), 
PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0x80840000);

ragards
Thomas

--- In  Jim Jackson <> wrote:
>
> 
> see....
> 
> http://www.linuxmanpages.com/man4/mem.4.php
> 
> or try
> 
>  man mem
> 
> on the command line of a linux system with the standard man pages.
> 
> /dev/mem  is a pseudo file that gives access to the systems memory.
> 
> On Mon, 3 Jul 2006, thomas wrote:
> 
> > from www.embeddedarm.com : - In the sample program button.c, 
there is a
> > reference to /dev/mem.
> > what is this file? any source available ?
> >
> > regards
> > Thomas
> >
> >
> >
> >
>






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