Hello I am reading the arm8a book. According to the documentation the output address of each level 3 entry in TTBRx_EL1points to an address in the physical memory. By looking in the mmu tab in the DS5 studio I can see the TTBRs tables.
What I do not understand is why while I have 2GB of RAM in the FVP ( /proc/meminfo ) some page entries ( level 3 ) of the ttbr points to memory above 4GB; for instance: Output address NP:0xF794D000 Doesn't the physical memory starts at address zero ? if not, where its starting point is configured? Thank you Raz
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