IBM System/370 145 Reference Summary page 100

MPX CHANNEL MACHINE DEPENDENT LOG
CS Build MPX Channel M9ch1n1 Dependent Log
Area BFOO
Or111mal
WordNh1 ByteO Byte 1
Byt12 Byte3
Loc111on
MA Note 1
J_
UrntAddr UCWAddress LS 18
Int Buffer
MBS ADDA Status SaqNo. LS 19
MC
.
..,
Next CCW Addr LS 18
MC KAO MCKA1 MCKA2 MCKA3 EXT07
MCKB MCKBO MCKB1
MCK82 MCKB3 EXT06
MPX
MPX MTO MTI MBI MBO EXT OE
ooc
Tl TA TT TE
EXT OF
MO Catalog No.
I.SIC
MF Flags, Ops
~.f.X"t5~AN
Count
LS IO
BF24
~are
FB04
Reny Courits Note2
CS FF84
FB10
ABRTY ABRTY1 ABRTY2 ABRTY3 EXT 18
I SPTLB DATY TRTY LRTY EXT 19
HMRTY
MRTY2 MRTY3 EXT 1A
CPURTY BYTDST RTYFLG LS OST EXTOST EXT 18
Control Word
(Control ord
in
Error)
SYS REG SYSO SYS1 SYS2 H-REG EXT05
I REG KEY REG Instruction Counter EXP LS50
F82C U REG ILCICC
::~s°t
IAMWP Op Code lmmed Byte EXP LS 53
(Spare)
!Spare)
!Spare)
(Spare)
!Spare)
Note 1 MA-REG
Byte 0
811 0 ~ 1 MPX Log Valid
8110~0 MPXLoglnvaltd
Ratrv Counts
ByteO
Bits0-3 Zero
B1ts 4-7 Retry Attempts for Current Instruction
Byte 1 and 2 Zeros
Byte 3 Number of Instructions Retried
Stop after 1/0 Log Start Address
Catalog Numbers (IFCC Only)
M1 - No-Op-in time out
M2 - Status-in ttme-Qut
M3 - No-address-in time-out
M4 - Address m bad parity/no address match
M5 - No-status-in time-out
M6 - Op-in t1me-Qut
M7 - Bad parity status-in
Catalog number byte/bit srgmf1cance
M" Primary number
01234567
Ll -
Share trap
1 - Chammg
~
M - 0 - I mt1al sel~t•on or burst mode
M8 - Time-out in data loop, inbound tag sequence bad Op in failed to fall
M9 -Disconnect-in b NoSVCorSTAs1gnat
MA - Bad parity on status
c
Both inbound tags up
MB - Service-in - eKpected status-in
lC "'False share request from doc-console
- Select-in during chaining
SELECTOR CHANNEL/BLOCK MULTIPLEX
CHANNEL DEPENDENT LOG
CS
Build
Area BFOO
BF24
FB04
F810
I
F82C
.---
- - -
WordN1tme
GBS
GSTAT
GTAG
MCKA
MCKB
GDRL
GD
GC
GW
Retry Counts
ABRTY
SPTLB
HMRTY
CPURTY
Control Word
SYS REG
l
REG
U REG
(Spare)
(Spare)
(Spare)
(Spa rel
(Spare)
GBS
Note2
Selector Channel /Block Multiplex Channel Dependent Log
ByteO Byte 1 Byte 2 Byte3
Log Length GBF GCT GBO
Note
1
GE GS GL
GTO GTI GO GR
MCKAO MCKA1 MCKA2 MCKA3
MCKB1 MCKB2 MCKB3
CHANNEL WORKING REGISTERS
CHANNEL WORKING REGISTERS
CHANNEL WORKING REGISTERS
:I
Cata!ogN..'1
Note 2
ABRTYO ABRTY1 ABRTY2 ABRTY3
SRTY PRTY TRTY
HRTY MRTY2
BYTDST RTYFLG LS DST EXTDST
iControl Word m Error)
SYSO SYS 1 SYS2
I nstruct1on Counter
KEY REG
=r
1Lc:cc:~~M
: AMWP Op-Code
_l
1mmed Byte
Only when log is rn ms
Byte 0 ~ 28 Only SX Log Valid
Byte0~4C SXandCPULogValid
Ong mill
Location
EXT 31 (SX2J
EXT 32 (SX2)
EXT 33 ISX2)
LS20 1SX21
LS21 (SX2)
LS22 (SX2)
LS23 tsX2)
EXT 18
EXT 19
EXT 1B
EXP LS
50
EXP LS 53
Retry Counts
ByteO
B1ts0.3 Zero
B1ts4-7 Retry Attempts for Current lnstruct1or.
Bytes 1 and 2 Zeros
Byte 3 Number of Instructions Retried
Catalog Numbers
00 - Indeterminate
01 - Automatic Selection Failed
02 - Halt Stop Will Not Set
03 - Microcode Select Failed on Halt
04 - Interface Disconnect Failed
05 - Selective Reset Failed
06 - Address Check on Channel-Initiated Selection
07 - Short Busy on Cha1nmg
08 - Poll Control will not set (soft)
09 - Address Parity Error on Ctrl Unit Initial Setectmn
OA- Disconnect-In Received
OB - Hard Set of Poll Control Failed
OC- Unused
OD- Unseccessful Microprogram Retry
OE - Select-In on Chammg
OF - Status·ln Parity Error
I
1
ceu
IFA EXTENDED LOGOUT
IFA Extended Logout
Word Name ByteO
Byte 1
Byte
2 ByteJ
FBAK Log Length FCH FCL FOP
Note 1
FSTAT FFL FCS
FST
FGL
FTAG FTO FTI FBO FDR
MCKA MC KAO MCKA1 MCKA2 MCKA3
MCKB MCKBO MCKBl MCKB2 MCKB3
FOAL
FD Protect Data Address
FC Count
FM Protect CCW Address
FW
Urnt Address
AetryCounts Note2
ABRTY ABRTYO ABRTY_i ABRTY2 ABRTY3
SPTLB SRTY PRTY
:I
TRTY
_J
LATY
HMRTY
HRTY
:r
MRTY2 __[ MRTY3
CPURTY BYTDST RTYFLG LS DST EXTDST
Control Word {Control Word In Error)
SYS REG SYSO SYS1 SYS2
_l
H-REG
I REG KEY REG Instruction Counter
U REG !LC
:cc
l~~sgk
: AMWP : Op Code lmmed Byte
(Spare)
(Spare)
(Spare)
(Spare)
(Spare)
Note 1
FBAK Byte 0 - 28 Only lFA Log Valid
Byte 0 = 4C 1FA and CPU Log Valld
Note 2
Retry Counts
ByteO
Bits 0-3 Zero
Bits 4-7 Retry Attempts for Current l nstruction
Bytes l and 2 Zeros
Byte 3 Number of Instructions Retried
8:10
Or1gmal
Location
EXT
20
EXT 22
EXT 23
EXT 07
EXT 06 IFA
LS28
l
LS29
LS2A
LS28
EXT 18
EXT 19
EXT 1A
EXT 18
I
EXT 05
EXP LS 50
EXPLS53