Speculative data fetching on ARMv7-M

I am working with an ARMv7-M with a cache and trying to workout how the Speculative data fetching works or at least understand it. The only documentation I can find for it is a small section in ARM...
Speculative data fetching on ARMv7-M

I am working with an ARMv7-M with a cache and trying to workout how the Speculative data fetching works or at least understand it. The only documentation I can find for it is a small section in ARM...
On Cortex-M7, can speculative access bring accessed data to D cache?

Asking this to better understand how to manage cache consistency on I/O buffer for DMA read. Is it possible that in between of cache invalidation on the buffer and end of DMA read, a speculative data...
On Cortex-M7, can speculative access bring accessed data to D cache?

Asking this to better understand how to manage cache consistency on I/O buffer for DMA read. Is it possible that in between of cache invalidation on the buffer and end of DMA read, a speculative data...
Speculative Branching.

Hi, I am new to ARM Cortex M3 Microprocessors. Can somebody please explain me the speculative branching in layman terms. Thanks in advance.