what is memory mapped / IO mapped ? Which calls used for
this to access any hardware address in linux device driver ?
Answers were Sorted based on User's Feedback
Answer / kiran
In the case of memory mapped I/O, CPU treats the IO
peripherals as similar to memory locations and use memory
read and memory write instrcutions.
Where as in case of IO mapped IO there is separated address
space and separate instructions like IN and Out to access
IO mapped IO devices.
|Is This Answer Correct ?||13 Yes||1 No|
Answer / shafi
Memory mapped uses the same address space as the RAM.
I0 mapped as there own address space
|Is This Answer Correct ?||4 Yes||0 No|
Answer / naveen
|Is This Answer Correct ?||2 Yes||2 No|
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