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Old 04-03-2006, 08:13 AM   #1
halturata
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Newbie:What are inbound and outbound memory windows?


Hi,

I'm writing a small toy-program for access read/writes to an exotic bus (VME - you surely have seen a thread or two from me about that already). My question - what are in/outbound windows and registers? Do they have something to do with virtual memory windows and maps?
I really tried to find a definition about that but Google said nothing sensical...
So, please if you can help...

P.S. Language: C

Last edited by halturata; 04-03-2006 at 08:22 AM.
 
Old 04-03-2006, 11:42 AM   #2
halturata
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OK, just a hint may do, pls...
 
Old 04-03-2006, 11:44 AM   #3
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Are you trying to write to the VME bus from another bus? (say like from a PCI bus on a SBC)
 
Old 04-03-2006, 03:10 PM   #4
halturata
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Not write, there is one already written.
Nevermind, I found what I was looking for (at last):
Code:
The outbound VME registers can create/delete address ranges in CPU space within which CPU accesses are translated into VME bus accesses. These are called ‘outbound windows’.
The inbound VME registers can create/delete address ranges in VME space within which VME accesses are translated into CPU bus accesses. These are called ‘inbound windows’.
 
  


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