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iAPX
432
Interface
Processor
Architecture
Reference Manual
double
byte
= = displacement
1----------------1
=
control
window
area
=
1 4
1----------------1
reserved
1----------------1
!
cur.
prcs
idx.
1
1----------------1
processor
1
psor
status
1
data
1----------------1
segment
-->!
object
lock ! a
1----------------1
The
processor
status
field
is
shown
below.
8
bits
!xlxlxlxlxxxxi
1 1
1---
processor
state
1
1------
faulted
1--------
reference
mode
1
1----------
stopped
1------------
broadcast
accept.
mode
1-------------------
processor
ID
The
processor
state
subfield
is
interpreted
as
follows:
0000
-
idle
0001
-
process
execution
0010
- 1111 - reserved
The
interpretation
of
the
faulted
subfields
is
as
follows:
a -
not
faulted
1 -
faulted
The
reference
m:>de
subfield
specifies
whether
the
references
in
function
requests
are
logical
or
physical.
In
logical
reference
mode,
function
request
references
are
relative
to
the
four-oamponent
access environment generated
by
the
current
context.
In
physical
reference
mode,
function
request
references
are
simply
24-bit
physical
addresses.
The
reference
mode
subfield
is
interpreted
as
follCMs:
A-lO
a - using
physical
mode
1 -
using
logical
mode