MMap function

[VALETTE Eric]

Aaron J. Grier wrote:
> On Wed, Mar 20, 2002 at 02:00:27AM -0000, Yan wrote:
> 
>>There is any rtems function similar to linux mmap?
> 
> 
> RTEMS has no virtual memory subsystem, and the filesystems are usually
> in-memory.  so no mmap() in RTEMS.
> 

This is not totally accurate. pc386 BSP has virtual memory turned on 
(with of course a 1-1)  mapping. The reason is that there is no way 
non-using the mmu to mark *only* portion of physical address space non 
cacheable (think about PCI configuration space registers access).

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