during booting on MIPS IDT 79S334A i am getting following usable
memory regions by print_memory_map in
memory: 8000fc00 @ 80000400 (usable)
memory: 00e01d2b @ 001fe2db (usable)
Initial ramdisk at: 0x8014c000 (604512 bytes)
above line i missed to mention in my previous post.
note that first column is SIZE and second one is START
my question is..
1> what is the significance of usable memory , in terms of
availibility for linux..?
2> where it is initialised ..i guess must be passed from firmware
or from tags..
3>on my board ram (16 MB)at 0x8000000 ,initial 0x400
is a room for exception table and hence effectively
it would start from 0x80000400 .
does this map relates to any way to LOAD ADRRESS ?
i would like to add that i have problem of starting any user space
process it is reporting always a bad memory acess on address
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