Forum Discussion
Altera_Forum
Honored Contributor
20 years agoThe CPU let's the software decide on each access to memory whether it wants to bypass the D-cache or not.
The software can either use the ldio/stio family of instructions to bypass the D-cache or can just set bit 31 of the address to 1. There are HAL macros to hide this from most users. I don't know what Linux provides.