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FAULT
SUMMARY
The
TT and EEEE
fields
specifY
the
fault
level
and
the
fault
type.
The
TT
bits
are
interpreted
as
follows:
TT
Description
00
Context Level
Faults
01
Process
Level
Faults
(group 1)
10
Process
Level
Faults
(group
2)
11
Processor
Level
Faults
There
are
16
fault
types
within
each
of
the
4 groups.
The
encoding
column
of
the
tables
in
the
following
sections
contains
the
TT and
EEEE
fields
if
the
type
is
FF
(all
other
faults).
C-
3.
<:l3J':OCT
LEVEL
OPERATOR
FAULTS
Faults
Common
Tb
All
Operators
Or
Sub-operations
The
following
faults
can occur anywhere during
the
execution
of
an
operator
or
sub-operation
(which
includes
instruction
decoding,
process
dispatching,
binding
etc.).
These
faults
are
not
explicitly
referenced
in
the
later
sections.
FAULT
GIDUPS
Memory
Reference
Faults
=>
Access
Rights
Fault
Segment
Bound
Fault
Memory
Overflow
Fault
Bus
Error
Fault
Write
Rights
Fault
Invalid
Opcode
Fault
Processor Stopped
Fault
Object Table Cache
Qualification
Faults
=>
Object
Descriptor
Type
Fault
Object
System Type
Fault
(Access) Segment
Altered
Faults
=>
=>
Object
Qualification
Faults
! TYPE! ENmDING
AR
SB
m
BE
I
WR
FF
00
1100
FF
00
1101
TS
00010111
TS
00000010
C-5