Page 79 - slides.dvi

•
•
•
Run
(the
–
–
–
–
Operating
Modern
Each
time
bind
bind
Address
Systems
virtual
MMU).
to
to
—
Allocation
allocate
If
process
(2
real
Virtual
operating
we
mapping
binding
logical
of
has
address
physical
problem
2)
Addressing
make
from
own
solved:
systems
addresses
CPU
this
solved
Summary
addresses
at
allocation
use
memory
logical
(or
at
address
to
load
at
easy.
logical
address
mapping
paging
‘behind
a
space.
least
physical
the
per
time/run
MMU
compile-time.
split):
hardware
translation
time.
fault (to OS)
scenes’.
process
and
addresses
address
fake
physical
thing
Memory Summary
out
then:
performed
by
segments
in
special
software.
hardware
75