How to make sure that the buffer is cached on shoulder 9

Question

I have a character buffer that I want to cache in order to make sure that the compiler puts this in DCache on the memory card.

The compiler is RVCT 3.1

Answer 1

This is called "cache locking" and is supported by most (if not all) ARM9 processors, depending on the cache architecture. Here is a useful page from the ARM920T reference manual, including sample code. You should find information for your specific processor in the table of contents on this page.

Answer 2

ARM. PLD, .