CVS commit: src/sys/arch/usermode

["Reinoud Zandijk" <reinoud%netbsd.org@localhost>]

Module Name:    src
Committed By:   reinoud
Date:           Mon Aug 22 15:36:23 UTC 2011

Modified Files:
        src/sys/arch/usermode/include: pmap.h vmparam.h
        src/sys/arch/usermode/usermode: pmap.c

Log Message:
Start NetBSD/usermode's pmap. Its using a temp file as a physical memory
backup and that should be documented in the code. A physical address is thus a
file offset(!) and a virtual address is a `normal' accesible address.

Still to do: various misc functions and pmap_extract() in special.

Credits also go to Ben Harris for his work on the Acorn26 pmap that followed
the Daemon Book recommendation for systems without real page tables on wich
this implementation is modelled after.


To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/sys/arch/usermode/include/pmap.h \
    src/sys/arch/usermode/include/vmparam.h
cvs rdiff -u -r1.8 -r1.9 src/sys/arch/usermode/usermode/pmap.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.