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Changes between Version 5 and Version 6 of VASFeatures


Ignore:
Timestamp:
2011-10-22T09:06:41Z (8 years ago)
Author:
Jakub Jermář
Comment:

Legend:

Unmodified
Added
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  • VASFeatures

    v5 v6  
    11= Virtual address spaces per architecture =
     2
     3Below are the various situations as dictated by the design of each supported architecture. The identity / non-identity here correspond to hardware limitations rather than to how HelenOS currently operates.
     4
     5
     6----
    27
    38== amd64 ==
     
    11161. depends on implementation, but in practice current implementations use 48 bits
    1217
     18
     19----
     20
     21
     22== arm32 ==
     23
     24TBD
     25
     26
     27----
     28
     29
     30== ia32 ==
     31
     32|| 0x80000000 || 2GiB|| kernel non-identity ||
     33|| 0x00000000 || 2GiB|| uspace non-identity ||
     34
     35
     36----
     37
     38== ia64 ==
     39
     40TBD
     41
     42----
     43
    1344== mips32 ==
    1445
     
    2152  1. maps to physical 0, uncached, bypasses TLB
    2253  2. maps to physical 0, cacheable, bypasses TLB
     54
     55
     56----
     57
     58== ppc32 ==
     59
     60TBD
     61
     62----
    2363
    2464== sparc64 ==