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Accessing Memory-mapped I/Oby Anonymous Monk |
on Oct 31, 2019 at 15:47 UTC ( [id://11108182]=perlquestion: print w/replies, xml ) | Need Help?? |
Anonymous Monk has asked for the wisdom of the Perl Monks concerning the following question: I am trying to access a memory-mapped register outside of system ram. I am opening /dev/mem to do so. When using seek, I only get access to the address space of the system ram. Using an address above that limit gives me a "Bad address" error. Doing a similar operation in 'C' allows access to addresses above that limitation. Why does perl limit my access? Is there anyway around the limitation?
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