By Bill Graham
A common misconception about VxWorks is that it doesn’t have memory
protection. Other forms of this myth maybe that you can only program
VxWorks with flat memory tasks and that it doesn't support processes a
la Unix. Now I suspect the root of the myth is from the pre-VxWorks
version 6.x days and the lack of memory protection in the OS. I think
there are also some myths to be busted about memory protection:
Busting some myths around memory protection:
Let
me state upfront that I think hardware-supported memory protection is
important and necessary feature of modern operating systems. I also
think memory protection in RTOSs is represented as absolutely necessary
for safety, security and reliability.
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