file system

[D. Peter Siddons]

Hi Joel,
    THat's exactly what I was looking for! Thanks.
Pete.


Joel Sherrill wrote:
> 
> The easiest way to do this is the same way the httpd network demo does.
> There is a nice piece of magic which lets you convert an uncompressed
> tar image into an object file.  That object file could then be placed
> directly in ROM at a known address or linked into your application.
> 
> Either way, you end up calling either rtems_tarfs_load or
> Untar_fromMemory.
> 
> int rtems_tarfs_load(char *mountpoint,
>                  unsigned char *tar_image,
>                  unsigned long tar_size)
> 
> rtems_tarfs_load actually leaves the file contents in ROM while
> generating the metadata in RAM for the IMFS.  The Untar_fromMemory()
> just loads the IMFS image from the tar image.
> 
> On a different matter... Ed would it be possible to put together an
> RTEMS filesystem plug-in that hooked to the uMon TFS calls?
> 
> --joel
> 
> 
>> Pete.
>>
>> Ed Sutter wrote:
>>
>>> Pete,
>>> I run RTEMS with MicroMonitor underneath.  Provides an immediate
>>> flash file system (read/write) for RTEMS-based applications.
>>> If you're able to shift to MicroMonitor as your bootloader,
>>> let me know and I'll be glad to give you details.
>>> Ed Sutter
>>>
>>> "D. Peter Siddons" wrote:
>>>
>>>> Hi all,
>>>>    I have an RTEMS application which resides in flash memory, and
>>>> expects to read a configuration file at startup. It currently does this
>>>> via tftp from a networked server, which works fine. I'd really like to
>>>> make this thing stand-alone, so ideally it would read this information
>>>> from some kind of local filesystem. There is enough capacity in the
>>>> on-board flash memory if I could set up a filesystem in there; even 
>>>> more
>>>> so if it could be compressed. It need only be read-only. Has anyone 
>>>> else
>>>> done something similar? I've seen all the postings re compact flash, 
>>>> but
>>>> I don't think that is at all the same.
>>>> Thanks,
>>>> Pete.
>>>>
>>>> -- 
>>>> D. Peter Siddons
>>>> Bldg. 725D, NSLS
>>>> Brookhaven National Laboratory
>>>> Upton, NY 11976
>>>> USA.
>>>>
>>>> Email: siddons at bnl.gov
>>>
>>>
>>>
>>>
>>
>>
> 
> 


-- 
D. Peter Siddons
Bldg. 725D, NSLS
Brookhaven National Laboratory
Upton, NY 11976
USA.

Email: siddons at bnl.gov