• ARMv7 CortexA9 Cache Policy - No allocate ?
    I was wondering if it would be possible to configure cache policy in the page table entry (short descriptor format) in such a way that the cache is used only if the data already exists in the cache? A...
  • How get ARMv7 cache size
    Hi everybody!! I have a question on how get cache size on ARM v7-A, more specifically on A9 (or A7 or A15). In accordance with the TRM at page 1529 I get the value from CSSIDR register and I compute the...
  • ARMv7-A: Cache maintenance operation by VA, performance
    Hi, according to this talk , cache maintenance should always be performed by VA and not by set/way except during boot or shutdown. However, invalidating/cleaning a block of data by VA requires a loop...
  • PL310 cache synchronization
    Hi ! I am working with the PL310 L2 cache controller and I have a question about the "Cache Synchro" maintenance operation. - when I want to perform a synchronization, should I just wait for bit 0 (bit...
  • Cache maintanance operation to PoC
    Hi experts, I'm quite confused about cache maintanance operation to PoC on Cortex-A9 (with PL310 L2 cache controller). I'm refererring to the following operations: - DCIMVAC, invalidate data cache by...