Physical memory read and write functions
Note that the top-level memory accessor function is rme08 and updater function is wme08. Their 16, 32, 64, and
128 bit counterparts are also available. These functions behave
differently depending upon the value of
The functions defined here, like rm-low-32 and wm-low-32, are low-level read and write functions that access physical memory directly in the system-level view. We do not recommend using these functions at the top-level.