Memory Mapping

The domain and the real memory address within the domain, which correspond to a given physical memory address (PA), can be determined as follows.

Determine the Real Memory Address

1. Generate a long parseable list for all domains.

   primary# ldm list -l -p

2. Look for the line in the list's MEMORY sections where the PA falls within the inclusive range pa to (pa + size - 1); that is, pa <= PA < (pa + size - 1).

   Here pa and size refer to the values in the corresponding fields of the line.

   • If you find such an entry, the PA is in the domain the entry is listed under and the corresponding real address within the domain is given by ra + (PA - pa).

   • If you do not find such an entry, the PA is not in any domain.