linux - Does iomem comprehensively list everything that's addressable? -


there address range here that's not listed in /proc/iomem. when tried read in address range, got values, 0x000000ab, indicate there behind address range.

so question title is: iomem comprehensively list that's addressable? there else that's memory-mapped not listed iomem?

the environment issue linux running on custom made board x86 cpu.


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