Expand description

Physical memory operations.


A 4K size physical frame.

The global physical frame contains all zeros.


Flush the physical frame.

Returns all free physical memory regions.

Convert physical address to virtual address.

Copy content of physical memory src to dst with len bytes.

Read physical memory from paddr to buf.

Write physical memory to paddr from buf.

Zero physical memory at [paddr, paddr + len).

Convert virtual address to physical address.