It is possible to use this call to improve performance of the virtual memory system by forcing particular pages to remain in memory. However, this approach should only be used in rare circumstances where the performance increase would be substantial. If possible, locking pages in this manner should be a user configurable option. Unlock pages of a dynamic area for which virtual memory has been enabled. End of range of addresses to unlock.
Interrupt status is undefined.
Fast interrupts are enabled. Processor is in SVC mode. Flex Library C Programmers who use Flex, may like to look at the modified flex library we have produced to support dynamic areas and Virtualise. Click here to download it.