Access my local files using RTEMS

Till Straumann strauman at slac.stanford.edu
Thu Jul 15 07:12:45 UTC 2010


On 07/15/2010 08:55 AM, Chris Johns wrote:
> On 12/07/10 1:48 AM, Vinu Rajashekhar wrote:
>> I have a follow-up question based on this.
>> I could access my local files using pc386
>> script and qemu -hda fat: option.
>>
>> Similarly, does all the other targets also support
>> something like this, if the simulator is not qemu ?
>>
>
> Sorry to butt in on your thread :) :)
>
> Yes qemu provides access via the FAT emulation method. This method has 
> a limited number of files that can be seen. I am not sure what the 
> limit is but a large tree of files results in files not appearing with 
> no errors or warnings.
>
> On real hardware with working networking configurations I use the NFS 
> file system.
Obviously, on qemu you can also use NFS or TFTPFS.

- Till
>
> Chris
>
>> On Sun, Jul 11, 2010 at 5:06 AM, Vinu Rajashekhar <vinutheraj at gmail.com
>> <mailto:vinutheraj at gmail.com>> wrote:
>>
>>
>>     On Sun, Jul 11, 2010 at 5:02 AM, Vinu Rajashekhar
>> <vinutheraj at gmail.com <mailto:vinutheraj at gmail.com>> wrote:
>>
>>         On Sun, Jul 11, 2010 at 4:01 AM, Vinu Rajashekhar
>> <vinutheraj at gmail.com <mailto:vinutheraj at gmail.com>> wrote:
>>
>>             I was wondering whether there is some way through
>>             which I could access my local files using RTEMS,
>>             running on qemu ?
>>
>>             I tried running the fileio test in samples using the pc386
>>             test script, but my local files do not seem to be affected.
>>             I changed the config from IMFS to RFS, by the way,
>>             before running the test.
>>
>>         Yes, I am able to access my local files using the technique
>>         in fileio + pc386 script.
>>
>>         If you want to modify your local files you have to change the
>>         fat: option in pc386 to fat:rw:
>>
>>
>>     Additionally, I had to add a config option
>>     CONFIGURE_FILESYSTEM_DOSFS too to make this work.
>>
>>     If anybody knows of any easier way to do this, please
>>     do reply.
>>
>>
>>
>>
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