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From: Bill Gatliff <bgat@billgatliff.com>
To: Jonathan Haws <Jonathan.Haws@sdl.usu.edu>
Cc: "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>
Subject: Re: Accessing flash directly from User Space
Date: Tue, 27 Oct 2009 15:13:19 -0500	[thread overview]
Message-ID: <4AE7545F.80805@billgatliff.com> (raw)
In-Reply-To: <BB99A6BA28709744BF22A68E6D7EB51F0330D3666C@midas.usurf.usu.edu>

Jonathan Haws wrote:
>
> How can I get that pointer?  Unfortunately I cannot simply use the address of the flash.  Is there some magical function call that gives me access to that portion of the memory space?
>   

$ man 2 mmap

You want MAP_SHARED and O_SYNC.


b.g.

-- 
Bill Gatliff
bgat@billgatliff.com

  reply	other threads:[~2009-10-27 20:13 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-27 19:59 Accessing flash directly from User Space Jonathan Haws
2009-10-27 20:13 ` Bill Gatliff [this message]
2009-10-27 20:15   ` Jonathan Haws
2009-10-27 20:30     ` Bill Gatliff
2009-10-27 20:31       ` Jonathan Haws
2009-10-27 22:24       ` Jonathan Haws
2009-10-27 22:32         ` Scott Wood
2009-10-27 22:35           ` Jonathan Haws
2009-10-27 22:42             ` Scott Wood
2009-10-27 22:52               ` Jonathan Haws
2009-10-28  9:56                 ` Kenneth Johansson
2009-10-28 14:45                   ` Jonathan Haws
2009-10-29 21:36                     ` Joerg Albert
2009-10-29 21:39                       ` Jonathan Haws
2009-10-29 16:33                 ` Scott Wood
2009-10-29 16:48                   ` Jonathan Haws
     [not found]           ` <BB99A6BA28709744BF22A68E6D7EB51F0330D368AA@midas.usurf.usu.edu >
2009-10-27 22:42             ` Alessandro Rubini
2009-10-28 11:24         ` Josh Boyer
2009-10-28 14:38           ` Jonathan Haws
2009-10-28 17:44             ` Accessing flash directly from User Space [SOLVED] Jonathan Haws
2009-10-29  9:00               ` Joakim Tjernlund
2009-10-29  9:15                 ` Joakim Tjernlund
2009-10-29 17:01                   ` Jonathan Haws
2009-10-29 11:08                 ` Kenneth Johansson
2009-10-29 17:02                   ` Jonathan Haws
2009-10-29 23:30                 ` Scott Wood
2009-10-30 14:50                   ` Jonathan Haws
2009-10-30 14:56                     ` Michael Buesch
2009-10-30 14:57                       ` Jonathan Haws
     [not found]                       ` <BB99A6BA28709744BF22A68E6D7EB51F0330E23124@midas.usurf.usu.edu >
2009-10-30 15:08                         ` Alessandro Rubini
2009-10-30 15:24                           ` Michael Buesch
2009-10-30 15:33                             ` Jonathan Haws
2009-10-31 13:26                               ` Joakim Tjernlund
2009-10-31 16:42                                 ` Michael Buesch
2009-10-31 20:14                                   ` Joakim Tjernlund
2009-10-31 20:35                                     ` Michael Buesch
2009-10-31 22:31                                       ` Joakim Tjernlund
2009-11-01 10:07                                         ` Segher Boessenkool
2009-10-30 15:48                             ` Micha Nelissen
2009-10-30 16:46                               ` Jonathan Haws
2009-10-30 17:49                                 ` Gabriel Paubert
2009-10-30 15:57                           ` Scott Wood
     [not found]       ` <BB99A6BA28709744BF22A68E6D7EB51F0330D3688B@midas.usurf.usu.edu >
2009-10-27 22:32         ` Accessing flash directly from User Space Alessandro Rubini
2009-10-27 22:33           ` Jonathan Haws

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