NLD TITLE 'DMKNLD (CP) VM/370 - RELEASE 6' 00001000
ISEQ 73,80 VALIDATE SEQUENCEING OF INPUT 00002000
*. 00003000
* MODULE NAME - 00004000
* 00005000
* DMKNLD 00006000
* 00007000
* FUNCTION - 00008000
* 00009000
* TO PERFORM THE LOAD FUNCTION ON THE 3705 INDICATED. 00010100
* 00011000
* ATTRIBUTES - 00012000
* 00013000
* REENTRANT, PAGEABLE, CALLED VIA SVC 00014000
* 00015000
* ENTRY POINTS - 00016000
* DMKNLDR - ENTRY TO LOAD 3705 NETWORK CONTROL PROGRAM 00017000
* 00019000
* NOTE: THIS ROUTINE MAY BE CALLED VIA CONSOLE COMMAND FROM DMKNET 00020100
* OR INTERNALLY BY DMKCPI. 00021100
* 00022000
* ENTRY CONDITIONS - 00023000
* 00024000
* FROM DMKNET 00025000
* 00026000
* GPR2 - ZEROES 00027000
* GPR9 - ADDRESS OF COMMAND LINE BUFFER 00028000
* GPR11 - ADDRESS OF VMBLOK 00029000
* GPR12 - ADDRESS OF ENTRY POINT 00030000
* GPR13 - ADDRESS OF SAVEAREA 00031000
* 00032000
* FROM DMKCPI - 00033100
* 00034000
* GPR2 - NON-ZERO 00035000
* GPR8 - ADDRESS OF REAL DEVICE BLOK FOR 3705 00036000
* GPR11 - ADDRESS OF VMBLOK 00037000
* GPR12 - ADDRESS OF ENTRY POINT 00038000
* GPR13 - ADDRESS OF SAVEAREA 00039000
* 00040000
* EXIT CONDITIONS - 00041000
* 00042000
* NORMAL - 00043000
* GPR2 = 0 00044000
* 00045000
* ERROR - 00046000
* GPR2 = ERROR MESSAGE CODE NUMBER 00047000
* 00048000
* NOTE: RETURN IS DIRECTLY TO DMKCFM IF CALLED FROM DMKNET - TO CALLER 00049000
* OTHERWISE. 00050000
* 00051000
* CALLS TO OTHER ROUTINES - 00052000
* 00053000
* DMKSCNFD - TO LOCATE NEXT ARGUMENT IN THE COMMAND LINE 00054000
* DMKCVTHB - CONVERT HEXADECIMAL ADDRESSES TO BINARY 00055000
* DMKSCNVU - TO LOCATE ADDRESSES OF THE VIRTUAL DEVICE BLOKS 00056000
* DMKSCNRU - TO LOCATE ADDRESSES OF THE REAL DEVICE BLOKS 00057000
* DMKQCNWT - TO OUTPUT MESSAGES TO THE TERMINAL 00058000
* DMKFREE - TO OBTAIN STORAGE FROM FREE STORAGE 00059000
* DMKFRET - TO RETURN STORAGE TO FREE STORAGE 00060000
* DMKPGTVG - TO GET A BUFFER OF PAGEABLE CP CORE. 00061000
* DMKPGTVR - TO RELEASE A BUFFER OF PAGEABLE CP CORE. 00062000
* DMKPTRUL - TO UNLOCK A PAGE IN VIRTUAL MACHINE 00063000
* DMKERMSG - TO SEND ERROR MESSAGES TO THE TERMINAL. 00064000
* DMKPTRAN - TO BRING A PAGE IN CORE 00065000
* DMKCVTBH - CONVERT BINARY DATA TO HEXADECMAL 00066000
* DMKSTKIO - TO STACK AN I/O BLOCK FOR PROCESSING 00067000
* DMKRPAGT - TO READ A PAGE IN CORE 00069000
* DMKSCNVS - TO SEARCH FOR A VOLUME 00070000
* DMKIOSQR - TO PERFORM I/O OPERATIONS ON 3705 00071000
* 00074000
* EXTERNAL REFERENCES - 00075000
* 00076000
* CXWMINI1 - 370X CHANNEL ADAPTER TYPE1 LOADER BOOTSTRAP PHASE1 00077000
* CXWMINI2 - 370X CHANNEL ADAPTER TYPE1 LOADER BOOTSTRAP PHASE2 00078000
* CXWMAXI1 - 370X CHANNEL ADAPTER TYPE2 LOADER BOOTSTRAP PHASE1 00079000
* CXWMAXI2 - 370X CHANNEL ADAPTER TYPE2 LOADER BOOTSTRAP PHASE2 00080000
* DMKRNHIN - LOCATION OF 370X TERMINAL INTERRUPT HANDLER 00086000
* DMKRNTBL - LOCATION OF NCPNAME TABLE 00087000
* 00088000
* 00089000
* TABLES/WORKAREAS - NONE 00090000
* 00091000
* REGISTER USAGE - 00092000
* 00093000
* GPR0 - ARGUMENT LENGTH (PASSED BACK FROM DMKSCNFD) 00094000
* GPR1 - ARGUMENT ADDRESS (PASSED BACK FROM DMKSCNFD) 00095000
* GPR2 - PASS PARAMETERS TO CALLED ROUTINES 00096000
* GPR3 - WORK REG 00097000
* GPR4 - WORK REG 00098000
* GPR5 - WORK REG 00099000
* GPR6 - WORK REG 00100000
* GPR7 - INTERNAL LINKAGE REG 00101000
* GPR8 - RDEVBLOK ADDRESS (FROM SYSTEM ROUTINES) 00102000
* GPR9 - COMMAND LINE BUFFER (FROM DMKNET) AND LINKAGE REG 00103000
* GPR10 - IOBLOK ADDRESS 00104000
* GPR11 - VMBLOK ADDRESS 00105000
* GPR12 - BASE REG 00106000
* GPR13 - SAVEAREA ADDRESS 00107000
* GPR14 - LINKAGE REG 00108000
* GPR15 - LINKAGE REG 00109000
*. 00110000
EJECT 00111000
COPY OPTIONS @V200899 00112000
COPY LOCAL @V200899 00113000
SPACE 2 00114000
DMKNLD START , @V200899 00115000
SPACE 00116000
MODID DC CL8'DMKNLD' @V200899 00117000
SPACE 00118000
USING PSA,R0 @V200899 00119000
USING RDEVBLOK,R8 @V200899 00120000
USING IOBLOK,R10 @V200899 00121000
USING VMBLOK,R11 @V200899 00122000
USING SAVEAREA,R13 @V200899 00123000
SPACE 00124000
EXTRN DMKPGTVG,DMKPGTVR,DMKPGTCG,DMKPGTSD @V200899 00125000
EXTRN DMKSCNFD,DMKSCNRU,DMKSCNVS,DMKSCNRD @V200899 00126000
EXTRN DMKCVTBH,DMKCVTHB,DMKCVTDT,DMKSCNVU @V240820 00127000
EXTRN DMKIOSQR,DMKQCNRD,DMKERMSG @V200899 00128000
EXTRN DMKRPAGT,DMKSTKIO,DMKPTRUL @V407508 00129100
EXTRN DMKQCNCL,DMKQCNTO,DMKVDREL @V240820 00130000
EXTRN DMKPTRAN,DMKQCNWT @V407508 00130100
SPACE 00132000
EXTRN DMKRNHIN,DMKRNTBL,DMKSYSDU @V407508 00133100
EXTRN CXWMAXI1,CXWMAXI2,CXWMINI1,CXWMINI2 LOADER @V200899 00134000
EJECT 00137000
*. 00138000
* COMMAND LINE FORMAT - 00139000
* 00140000
* +---------+-----------------------------------+ 00141000
* | NETWORK | LOAD RADDR NCPNAME | 00142000
* | NET | | 00143000
* +---------+-----------------------------------+ 00144000
* 00145000
* OPERATION - 00153000
* 00154000
* 1. DETERMINE WHETHER ENTRY WAS FROM SYSTEM OR VIA NETWORK 00155000
* CONSOLE COMMAND. IF ENTERED FROM SYSTEM, GO TO STEP 10. 00156100
* OTHERWISE SET NETWORK CALL FLAG AND CONTINUE. 00157100
* 2. CALL DMKSCNFD TO GET 'RADDR' OPERAND FROM COMMAND LINE. 00159000
* IF NO OPERAND, CALL DMKERMSG TO SEND MESSAGE DMKNLD021E. 00160000
* 3. CALL DMKCVTHB TO CONVERT 'RADDR' TO BINARY. IF ERROR ON 00161000
* CONVERSION, CALL DMKERMSG TO SEND MESSAGE DMKNLD021E. 00162000
* 4. CALL DMKSCNRU TO GET REAL DEVICE (RDEVBLOK) FOR 'RADDR' 00163000
* DEVICE. IF DEVICE DOES NOT EXIST, CALL DMKERMSG TO SEND 00164000
* MESSAGE DMKNLD040E. 00165000
* 5. DETERMINE WHETHER 'RADDR' DEVICE IS A 370X. IF NOT, CALL 00166000
* DMKERMSG TO SEND DMKNLD006E MESSAGE. 00167000
* 6. CHECK IF 370X IS CURRENTLY OFFLINE. IF SO, CALL DMKERMSG 00168000
* TO SEND MESSAGE DMKNLD046E. 00169000
* 7. DETERMINE IF 370X IS DEDICATED TO A USER. IF YES, CALL 00170000
* DMKERMSG TO SEND MESSAGE DMKNLD140. 00171000
* 8. IF REQUEST IS FOR THE DUMP FUNCTION, GO TO STEP 25: 00172000
* OTHERWISE CALL DMKSCNFD TO GET 'NCPNAME' OPERAND 00173000
* FOR LOAD PROCESSING. IF NO OPERAND IS FOUND, CALL 00174000
* DMKERMSG TO SEND MESSAGE DMKNLD026E. 00175000
* 9. IF 'NCPNAME' OPERAND IS GREATER THAN EIGHT (8) CHARACTERS, 00176000
* CALL DMKERMSG TO SEND MESSAGE DMKNLD002E: OTHERWISE PLACE 00177000
* 'NCPNAME' IN RDEVBLOK FOR 370X. 00178000
* 10. TRANS IN DMKRNTBL 00179000
* 11. SEARCH DMKRNTBL FOR THE ENTRY CORRESPONDING TO 'NCPNAME' 00180000
* IF NO ENTRY IS FOUND, CALL DMKERMSG TO SEND MESSAGE 00181000
* DMKNLD044E. 00182000
* 12. CALL DMKSCNVS TO FIND TARGET DASD VOLUME ( AS INDICATED BY 00183000
* DMKRNTBL ENTRY ). IF NOT FOUND, CALL DMKERMSG TO 00184000
* SEND MESSAGE DMKNLD171E. 00185000
* 13. DETERMINE WHETHER VOLUME IS CP-OWNED. IF NOT, CALL 00186000
* DMKERMSG TO SEND MESSAGE DMKNLD171E. 00187000
* 14. CALCULATE MAXIMUM NUMBER OF PAGES / CYL FOR THE DEVICE 00188000
* CONTAINING THE TARGET VOLUME. 00189000
* 15. CALL DMKPGTVG TO GET A PAGE OF CP PAGEABLE CORE FOR USE 00190000
* AS A BUFFER. 00191000
* 16. TRANS IN DASD PAGE CONTAINING CCPARM (IE. FIRST RECORD 00192000
* OF NCP SAVED IMAGE) AND DETERMINE WHETHER THE NCP IMAGE 00193000
* WILL FIT IN THE SPECIFIED 370X. IF NOT, CALL DMKERMSG TO 00194000
* SEND MESSAGE DMKNLD170E. IF NCP WILL FIT, SAVE THE SIZE OF 00195000
* THE NCP AND THE ENTRY POINT ADDRESS (OBTAINED FROM CCPARM) 00196000
* ALSO FIND THE DASD ADDRESS OF THE FIRST NCP CORE IMAGE 00197000
* RECORD BY CALCULATING THE NUMBER OF RESOURCE DATA 00198000
* RECORDS FROM THE SIZE VALUE CONTAINED IN CCPARM. 00199000
* 17. IF A NICLIST ALREADY EXISTS FOR THE 370X, CALCULATE ITS 00200000
* SIZE FROM VALUES IN 370X RDEVBLOK AND CALL DMKFRET TO 00201000
* FREE IT. ALSO MARK RDEVBLOK AS INACTIVE. 00202000
* 18. GO TO IOBINIT SUBROUTINE TO GET AND INITIALIZE AN 00203000
* IOBLOK AND ADDITIONAL SAVE AREA FOR USE BY THE 370X 00204000
* I/O ROUTINE. 00205000
* 19. IF LOAD FUNCTION WAS REQUESTED VIA CONSOLE COMMAND, 00206000
* ISSUE A TIO TO THE 370X TO DETERMINE ITS STATUS (THIS 00207000
* IS UN-NECESSARY IF THE CALLER WAS A SYSTEM ROUTINE). 00208000
* 20. MARK 370X AS NOT READY AND GO TO SNDBOOTS SUB-ROUTINE 00209000
* TO TRANSMIT THE OS/360 LOADER BOOTSTRAP PROGRAM TO THE 00210000
* 370X. ANY ERRORS THAT OCCUR DURING THE BOOTSTRAP 00211000
* ROUTINE WILL RESULT IN MESSAGE: 00212000
* 00213000
* DMKNLD460E CTLR 'RADDR' LOAD FAILED; PROGRAM CHECK 00214000
* 00215000
* 21. USING DMKRPAPT, READ IN THE CORE IMAGE RECORDS FROM THE 00216000
* TARGET DASD, BUILD CCWS TO DEBLOCK FROM 4K TO 512 BYTES, 00217000
* AND TRANSMIT CORE IMAGE TO 370X. 00218000
* 22. TRANSMIT THE ENTRY POINT ADDRESS SAVED IN STEP 16 TO THE 00219000
* 370X. 00220000
* 23. READ IN THE FIRST RESOURCE DATA RECORD (IE. CCPARM), AND 00221000
* CALCULATE THE SIZE OF THE NICLIST NEED FOR THIS NCP, 00222000
* CALL DMKFREE TO OBTAIN STORAGE FOR THE NICLIST,AND 00223000
* FILL IN THE NEW NICLIST FROM DATA CONTAINED IN THE 00224000
* RESOURCE RECORDS (IF NECESSARY, ADDITIONAL RESOURCE 00225000
* RECORDS WILL BE READ IN). 00226000
* 24. SEND COMPLETION RESPONSE, CALL DMKFRET TO FREE 00227000
* IOBLOK AND SAVE AREA, RELEASE BUFFER BACK TO CP, AND EXIT. 00228000
* 00277000
* RESPONSES - 00278000
* CTLR (RADDR) (NCPNAME) LOAD COMPLETE 00279000
* 00281000
* ERROR MESSAGES - 00282000
* DMKNLD002E INVALID OPERAND - (OPERAND) 00283000
* DMKNLD006E INVALID DEVICE TYPE (ADDR) 00285000
* DMKNLD021E RADDR MISSING OR INVALID 00286000
* DMKNLD026E OPERAND MISSING OR INVALID 00287000
* DMKNLD040E DEV (ADDR) DOES NOT EXIST 00288000
* DMKNLD044E SYSTEM (NAME) DOES NOT EXIST 00289000
* DMKNLD170E SYSTEM (NAME) EXCEEDS STORAGE 00290000
* DMKNLD171E SYSTEM (NAME) VOLID (VOLID) NOT MOUNTED 00291000
* DMKNLD179E SYSTEM (NAME) VOLID (VOLID) NOT CP OWNED 00292000
* DMKNLD046E CTLR 'RADDR' OFFLINE 00293000
* DMKNLD140E CTLR 'RADDR' ATTACHED TO 'USERID' 00294000
* DMKNLD143E CTLR 'RADDR' IN USE BY SYSTEM 00295000
* DMKNLD460E CTLR 'RADDR' LOAD FAILED; PROGRAM CHECK 00296100
* DMKNLD470E CTLR 'RADDR' LOAD FAILED; PAGING I/O ERROR 00298100
* DMKNLD471E CTLR 'RADDR' LOAD FAILED; UNRECOVERABLE I/O ERROR 00299100
* DMKNLD464E CTLR 'RADDR' CC = 3; DEPRESS 370X "LOAD" BUTTON 00301000
* DMKNLD461R CTLR 'RADDR' IPL NOT REQUIRED; ENTER "YES" TO CONTINUE 00302000
*. 00303000
SPACE 2 00304000
*--------------------------------------------------------------------* 00305000
* EQUATES USED IN FLAG BYTE IN SAVEWRK1 * 00306000
*--------------------------------------------------------------------* 00307000
SPACE 00308000
FROMNET EQU X'80' CALL WAS FROM NETWK CMD (DMKNET) @V200899 00309000
BOOTSFLG EQU X'10' BOOTSTRAP REC PROC'NG INDICATOR @V200899 00312000
UNLKBUF EQU X'08' UNLOCK REQUIRED FOR PAGE BUFFER @V200899 00313000
PGTVREL EQU X'04' RELEASE REQD FOR VIRT BUFF ADDR @V200899 00314000
RNSAVREL EQU X'01' IOBLOK & RNIOSAV AREAS MUSTBE FREED@V200899 00317000
SPACE 2 00318000
DMKNLDR RELOC ENTRY POINT FOR 370X LOAD PROCESS@V200899 00319000
SWITCH CONTINUE ON THE I/O PROCESSOR @V407508 00320100
MVI SAVEWRK1,NONE INITIALIZE FLAG BYTE @V407508 00320200
BAL R10,CHKENTY CHECK ENTRY CONDITIONS @VM08949 00321000
MVC SAVEWRK2(8),RDEVNCP PUT NCPNAME IN SAVE AREA @VA01667 00322000
B LOADNCP PROCESS SYSTEM LOAD REQUEST @V200899 00323000
SPACE 2 00324000
CHKENTY EQU * CHECK FOR SYSTEM OR C.F. ENTRY @VM08949 00330000
TM SAVER2+3,SYSTEM ENTRY VIA CONSOLE FUNCTION ?@V200899 00331000
BZ NETCALL YES - SETUP FOR PARM SCAN @V200899 00332000
ST R8,SAVEWRK9 SAVE RDEVBLOK POINTER @V200899 00333000
CALL DMKSCNRD GET 'CCU' ADDRESS IN GR1 @V200899 00334000
STH R1,SAVEWRK1+2 SAVE IT FOR LATER MESSAGES @V200899 00335000
BR R10 RETURN FOR IMMEDIATE COMMAND @VM08949 00336000
EJECT 00337000
NETCALL EQU * CONSOLE FUNCTION 'NETWORK LOAD/DUMP' @V200899 00338000
IC R2,SAVEWRK1 PICK UP FLAG BYTE @V200899 00339000
SVC 16 RETURN DIRECTLY TO DMKCFM ON EXIT@V200899 00340000
STC R2,SAVEWRK1 RESET LOAD/DUMP FLAG BIT @V200899 00341000
OI SAVEWRK1,FROMNET ENTERED FROM DMKNETWK @V200899 00342000
CALL DMKSCNFD LOCATE REAL DEVICE ADDRESS @V200899 00343000
BNZ NLD021 BRANCH IF NOTHING FOUND @V200899 00344000
CALL DMKCVTHB TRY TO CONVERT TO BINARY @V200899 00345000
BNZ NLD021 BRANCH IF CONVERT FAILED @V200899 00346000
STH R1,SAVEWRK1+2 SAVE REAL ADDRESS @V200899 00347000
CALL DMKSCNRU GET REAL DEVICE BLOKS @V200899 00348000
BNZ NLD040 RADDR DOES NOT EXIST @V200899 00349000
ST R8,SAVEWRK9 SAVE RDEVBLOK ADDRESS @V200899 00350000
USING RDEVBLOK,R8 @V200899 00351000
LA R0,CLASSPEC*256+TYP3705 DEVICE CLASS, TYPE @V200899 00352000
CH R0,RDEVTYPC IS THIS DEVICE REALLY A 370X ? @V200899 00353000
BNE NLD006 NO -- INVALID DEVICE TYPE @V200899 00354000
TM RDEVSTAT,RDEVDISA IS DEVICE CURRENTLY OFFLINE @V200899 00355000
BNZ NLD046 YEP, GIVE THE MSG AND QUIT @V200899 00356000
TM RDEVSTAT,RDEVDED 3705 ATTACHED TO A USER NOW @V200899 00357000
BNZ NLD140 YES, TELL CALLER AND QUIT @V200899 00358000
CALL DMKSCNFD LOCATE 'NCPNAME' OPERAND @V200899 00361000
BNZ NLD026 OPERAND MISSING @V200899 00362000
CL R0,F8 THIS IS THE MAXIMUM LENGTH @V200899 00363000
BH NLD002 OPERAND INVALID @V200899 00364000
LR R2,R0 OPERAND LENGTH @V200899 00365000
BCTR R2,0 @V200899 00366000
MVC SAVEWRK2(8),BLANKS MOVE BLANKS TO NCPNAME FIELD@V200899 00367000
EX R2,MOVENAME MOVE NCPNAME INTO SAVEAREA @V200899 00368000
* B LOADNCP LOAD UP THE 370X 00369000
EJECT 00370000
LOADNCP EQU * GET TABLE OF NAMED CONTROL PROGRAMS @V200899 00371000
L R1,=A(DMKRNTBL) ADDRESS OF NCPTBLS @V200899 00372000
LTR R1,R1 IS DMKRNTBL DEFINED ? @VM08838 00373000
BNP NLD044 NO -- SYSTEM CANNOT EXIST @VM08838 00374000
TRANS 2,1,OPT=(SYSTEM,BRING,DEFER,IOERETN),AFFINITY @V407508 00375100
BNZ NLD470 PAGING ERROR @V305435 00376000
SPACE 00377000
USING NCPTBL,R4 @V200899 00378000
LR R4,R2 ADDRESS OF FIRST NCPTBL ENTRY @V200899 00379000
NAMELOOP EQU * FIND THE NCPTBL FOR THIS NCP @V200899 00380000
CLC NCPNAME(8),SAVEWRK2 COMPARE FOR THE NAME @V200899 00381000
BE NAMEHIT BRANCH IF HAVE A MATCH @V200899 00382000
L R3,NCPPNT LOAD DISP TO NEXT NCPTABLE ENTRY @V200899 00383000
AR R4,R3 GET ADDRESS OF NEXT ENTRY @V200899 00384000
LTR R3,R3 LAST ENTRY ??? @V200899 00385000
BNZ NAMELOOP NO - GO TRY AGAIN @V200899 00386000
B NLD044 NCP NAMED DOES NOT EXIST @V200899 00387000
SPACE 00388000
MOVENAME MVC SAVEWRK2(*-*),0(R1) EXECUTED MOVE @V200899 00389000
SPACE 00390000
NAMEHIT EQU * @V200899 00391000
MVC SAVEWRK8(4),NCPSTART SAVE CCPD ... @V2D3931 00392000
L R3,NCPPAGCT NUMBER OF PAGES IN NCP TO R3 @V200899 00393000
STC R3,SAVEWRK1+1 SAVE IN SAVEWRK1 @V200899 00394000
LA R1,NCPVOL ADDRESS OF VOL. SERIAL FOR SYSVOL@V200899 00395000
LA R0,6 SERIAL LENGTH @V200899 00396000
CALL DMKSCNVS SEARCH FOR THIS VOLUME @V200899 00397000
BNZ NLD171 SYSTEM VOLUME IS NOT MOUNTED @V200899 00398000
DROP R4,R8 @V200899 00399000
USING RDEVBLOK,R1 USE RDEVBLOK FOR SYSTEM DASD @V200899 00400000
TM RDEVFLAG,RDEVOWN IS VOLUME CP-OWNED ??? @V200899 00401000
BZ NLD179 NOPE -- ERROR @V200899 00402000
L R5,SAVEWRK8 PICK UP NCPSTARTING CCPD @V200899 00403000
IC R5,RDEVCODE+1 INSERT DEV INDEX INTO SYSOW TABLE@V200899 00404000
ST R5,SAVEWRK8 AND PUT BACK @V200899 00405000
LA R9,32 MAXIMUM PAGES/CYL ON 2314 @V200899 00406000
TM RDEVTYPE,TYP2314 IS THIS 2314 ???? @V200899 00407000
BO SAVMAXPG YES ----- @V200899 00408000
LA R9,57 TRY 3330 @V200899 00409000
TM RDEVTYPE,TYP3330 IS IT ???? @V200899 00410000
BO SAVMAXPG YES ----- @V200899 00411000
LA R9,120 MAXIMUM PAGES/CYL ON 3350 @V304498 00412000
TM RDEVTYPE,TYP3350 IS THIS 3350 ? @V304498 00413000
BO SAVMAXPG YES ----- @V304498 00414000
LA R9,96 Maximum pages/cyl on 3375 HRC106DK 00414100
TM RDEVTYPE,TYP3375 Is this 3375 ? HRC106DK 00414200
BO SAVMAXPG Yes ----- HRC106DK 00414300
LA R9,150 Maximum pages/cyl on 3380 HRC106DK 00414400
TM RDEVTYPE,TYP3380 Is this 3380 ? HRC106DK 00414500
BO SAVMAXPG Yes ----- HRC106DK 00414600
LA R9,24 MUST BE 2305 OR 3340 @V2A2029 00415000
DROP R1 ABANDON RDEVBLOK FOR SYSTEM DASD @V200899 00416000
EJECT 00417000
USING RDEVBLOK,R8 GO BACK AND USE 370X RDEVBLOK @V200899 00418000
SAVMAXPG EQU * @V200899 00419000
STC R9,SAVEWRK9 PUT MAXPG AWAY FOR LATER @V200899 00420000
CALL DMKPGTVG GET PAGE BUFFER FROM CP CORE @V200899 00421000
ST R1,SAVEWRK7 SAVE VIRTUAL BUFFER ADDRESS @V200899 00422000
OI SAVEWRK1,PGTVREL WE MUST RELEASE IT @V200899 00423000
SPACE 00424000
LR R0,R5 DASD ADDRESS OF CONTROL INFO PAGE@V200899 00425000
* VIRTUAL BUFFER ADDRESS IS STILL IN GR1 00426000
CALL DMKRPAGT,PARM=BRING+SYSTEM,AFFINITY @V407508 00427100
BNZ NLD470 PAGING ERROR @V305435 00428000
LR R7,R2 ADDRESS OF CCPARM TO R7 @V200899 00429000
USING CCPARM,R7 PARM BLOCK CREATED BY 'SAVENCP' @V200899 00430000
CLC SAVEWRK2(8),CCPNAME HAS THE IMAGE BEEN SAVED ?@VM08697 00431000
BNE NLD044E NO -- SYSTEM DOES NOT EXIST @VM08697 00432000
SR R1,R1 CLEAR WORK REG @V200899 00433000
IC R1,RDEVMDL GET STORAGE SIZE MODEL NUMBER @V200899 00434000
SLL R1,14(0) MULTIPLY BY 16384 . . . @VM08625 00435000
CL R1,CCPSIZE STORAGE LARGE ENOUGH ? @V200899 00436000
BL NLD170 NO -- SYSTEM EXCEEDS STORAGE @V200899 00437000
L R0,CCPSIZE NCP CORE SIZE TO R0 @V200899 00438000
L R1,CCPENTRY NCP ENTRY POINT TO R1 @V200899 00439000
STM R0,R1,SAVEWRK4 SAVE IN WORKAREA FOR LATER @V200899 00440000
L R1,CCPPSIZE SIZE OF PARMS TO R1 @V200899 00441000
LA R1,4095(0,R1) ADD PAGE SIZE -1 FOR OVERFLOW @V200899 00442000
SRL R1,12 DIVIDE BY 4096 TO GET NUM. OF PAGES @V200899 00443000
DROP R7 @VM08949 00444000
SPACE 00445000
L R3,SAVEWRK8 'CCPD' OF CCPARM START ON DISK @VM08949 00446000
SLR R5,R5 CLEAR A WORK REGISTER @VM08949 00447000
IC R5,SAVEWRK8+2 GET STARTING PAGE NUMBER IN GR5 @VM08949 00448000
AR R1,R5 GR1 = START PAGE NUMBER OF IMAGE @VM08949 00449000
CR R1,R9 IMAGE ON THE NEXT CYLINDER ? @VM08949 00450000
BNH NEXTCYL NO -- JUST RESET THE PAGE NUMBER @VM08949 00451000
SR R1,R9 GR1 = PAGE NUMBER ON NEXT CYL @VM08949 00452000
A R3,=X'00010000' ADD ONE TO CYLINDER NUMBER @VM08949 00453000
NEXTCYL EQU * FIX UP 'CCPD' FOR IMAGE START @VM08949 00454000
STC R1,TEMPSAVE PUT DOWN THE NEW PAGE NUMBER @VM08949 00455000
ICM R3,2,TEMPSAVE GR3 = 'CCPD' OF PROGRAM IMAGE @VM08949 00456000
ST R3,SAVEWRK6 SAVE IT TEMPORARILY @VM08949 00457000
EJECT 00458000
USING RNIOSAV,R4 GENERAL ADDRESSABILITY @V200899 00459000
TM RDEVFLAG,RDEVRCVY RECOVERY ALREADY ACTIVE ? @V200820 00460000
BO NLDEXIT YES - GET OUT OF HERE @V200820 00461000
BAL R7,IOBINIT ALLOCATE AND SETUP WORK AREAS @V200820 00462000
TM SAVEWRK1,FROMNET ENTERED VIA CONSOLE FUNCTION@V200820 00463000
BZ NOLDTIO NO - NO TEST I/O REQUIRED @V200820 00464000
TM RDEVSTAT,RDEVRSVD IN USE BY THE SYSTEM ? @V200820 00465000
BO NLD143 YES - CANNOT LOAD ON THE FLY@V200820 00466000
TM RDEVSTAT,RDEVNRDY IS THE 370X READY NOW ? @V200820 00467000
BO NOLDTIO NO -- O.K. TO JUST LOAD IT @V200820 00468000
OI IOBSPEC,IOBTIO SCHEDULE TEST I/O FOR 3705 @V200899 00469000
BAL R9,DORNIO DETERMINE IF LOAD IS REQUIRED@V200899 00470000
NI IOBSPEC,X'FF'-IOBTIO RESET TIO BIT IN IOBLOK@V200899 00471000
NOLDTIO EQU * 370X TO BE LOADED - CLEAN UP NICLIST @V200899 00472000
TM RDEVFLAG,RDEVLNCP IS THERE A NICBLOK LIST ? @V200899 00473000
BZ NONICL NO, DO NOT HAVE TO FREE @V200899 00474000
LH R1,RDEVMAX MAXIMUM RESOURCE ID. @V200899 00475000
LA R1,1(0,R1) GR1 = NUMBER OF NICBLOKS @V200899 00476000
MH R1,=AL2(NICSIZE) SIZE OF NICLIST IN DBLWRDS @V200899 00477000
LR R0,R1 @V200899 00478000
L R1,RDEVNICL @V200899 00479000
CALL DMKFRET RETURN NICLIST TO FREE STORAGE @V200899 00480000
SLR R1,R1 @V200899 00481000
ST R1,RDEVNICL @V200899 00482000
NONICL EQU * @V200899 00483000
NI RDEVFLAG,255-(RDEVLNCP+RDEVLCEP) NOT LOADED @V200820 00484000
MVC RDEVNCP(8),SAVEWRK2 MOVE NCPNAME TO RDEVBLO@V200899 00485000
OI RDEVSTAT,RDEVNRDY NOT READY UNTIL LOAD IS COMP@V200820 00486000
OI RDEVFLAG,RDEVRCVY RECOVERY PROCESS INITIATED @V200820 00487000
SPACE 00488000
L R1,=A(CXWMINI1) GET ENTRY OF CA1 PHASE1 @V200899 00489000
L R3,=A(CXWMINI2) GET ENTRY OF CA1 PHASE2 @V200899 00490000
TM RDEVFTR,FTRTYP1 DOES 3705 HAVE A TYPE1 CA ? @V200899 00491000
BO TRANSLDR YES, GO TRANSMIT BOOTSTRAPS @V200899 00492000
L R1,=A(CXWMAXI1) GET ENTRY OF CA2 PHASE1 @V200899 00493000
L R3,=A(CXWMAXI2) GET ENTRY OF CA2 PHASE2 @V200899 00494000
TRANSLDR EQU * @V200899 00495000
BAL R7,SNDBOOTS GO TO BOOTSTRAP XMIT ROUTINE @V200899 00496000
* B LD3705 00497000
EJECT 00498000
*--------------------------------------------------------------------* 00499000
* THE FOLLOWING ROUTINE HANDLES SENDING ALL CORE IMAGE PAGES BUT THE * 00500000
* LAST PAGE ( FULL OR PARTIAL ) TO THE 3705. * 00501000
*--------------------------------------------------------------------* 00502000
LD3705 EQU * @V200899 00503000
L R6,SAVEWRK4 NCPSIZE TO R6 @V200899 00504000
SR R7,R7 CLEAR R7 FOR SHIFT INST @V200899 00505000
SRDL R6,12 DIVIDE BY PAGE SIZE (4096) @V200899 00506000
SRL R7,20 OVERFLOW TO LOW ORDER BYTES OF R7@V200899 00507000
LTR R7,R7 IS THERE ANY OVERFLOW ? @V200899 00508000
BNZ LSTRECOK YES, - PAGE COUNT IS OK @V200899 00509000
BCTR R6,0 NO, DECREMENT PAGE COUNT BY ONE @V200899 00510000
L R7,F4096 AND MAKE OVERFLOW = TO PAGE SIZE@V200899 00511000
* TO ALLOW FOR LAST RECORD PROCESSING 00512000
LSTRECOK EQU * @V200899 00513000
ST R7,OVFLOSIZ SAVE OVERFLOW FOR LAST RECORD @V200899 00514000
L R3,SAVEWRK6 'CCPD' OF FIRST IMAGE PAGE @VM08949 00515000
SPACE 00516000
PAGELOOP EQU * SEND IMAGE PAGES TO THE 370X @VM08949 00517000
BAL R9,LOCKBUF BRING AND LOCK IMAGE PAGE @VM08949 00518000
LA R1,RNCCWS START OF CCW LIST AREA @VM08949 00519000
LA R5,8(0,0) NUMBER OF WRITE CCW'S @VM08949 00520000
LA R9,512(0,0) LENGTH FOR EACH WRITE @VM08949 00521000
LDCCWLP EQU * @V200899 00522000
ST R2,0(0,R1) REAL ADDRESS TO CCW @V200899 00523000
MVI 0(R1),WRITEOP SET WRITE OP IN CCW @V200899 00524000
ST R9,4(0,R1) SET COUNT AND CLEAR FLAG BYTES @VM08949 00525000
MVI 4(R1),CC+SILI SET CMD CHAIN AND SILI @V200899 00526000
ALR R2,R9 BUMP TO NEXT WRITE RECORD @VM08949 00527000
LA R1,8(0,R1) BUMP TO NEXT CCW @V200899 00528000
BCT R5,LDCCWLP LOOP FOR EIGHT CCW'S (4K BYTES) @VM08949 00529000
MVC 0(8,R1),NOPCCW MOVE IN A NO-OP @V200899 00530000
BAL R9,DORNIO GO TO RN SIO ROUTINE @V200899 00531000
BAL R9,BUFINCR INCREMENT 'CCPD', UNLOCK BUFFER @VM08949 00532000
BCT R6,PAGELOOP PROCESS NEXT CORE IMAGE RECORD (@V200899 00533000
EJECT 00534000
*--------------------------------------------------------------------* 00535000
* THIS CODE PROCESSES THE LAST CORE IMAGE RECORD SENT TO 3705 * 00536000
*--------------------------------------------------------------------* 00537000
LSTRECPR EQU * @V200899 00538000
BAL R9,LOCKBUF BRING AND LOCK IMAGE PAGE @VM08949 00539000
L R5,OVFLOSIZ SIZE OF LAST IMAGE PIECE @VM08949 00540000
LA R1,RNCCWS START OF CCW LIST AREA @VM08949 00541000
LA R9,512(0,0) LENGTH FOR EACH FULL WRITE CCW @VM08949 00542000
LSTRECLP EQU * @V200899 00543000
ST R2,0(0,R1) RECORD ADDR TO CCW @V200899 00544000
MVI 0(R1),WRITEOP MOVE IN WRITE CC @V200899 00545000
CR R5,R9 IS LENGTH GREATER THAN 512 ? @VM08949 00546000
BNH LRECEND NO, USE REC LENGTH IN CCW @V200899 00547000
ST R9,4(0,R1) SET LENGTH AND CLEAR FLAG BYTES @VM08949 00548000
MVI 4(R1),CC+SILI AND TURN ON CC AND SILI @V200899 00549000
LA R1,8(0,R1) BUMP TO NEXT CCW SLOT @V200899 00550000
ALR R2,R9 BUMP TO NEXT WRITE RECORD @VM08949 00551000
SR R5,R9 DECREMENT REMAINING LENGTH @VM08949 00552000
B LSTRECLP DO IT AGIAN TILL REC LGTH IS LESS@V200899 00553000
LRECEND EQU * @V200899 00554000
ST R5,4(0,R1) SET LENGTH FOR LAST WRITE @VM08949 00555000
MVI 4(R1),CC+SILI TURN ON CC AND SILI TO NOP @V200899 00556000
MVI 0(R1),WRTBRKOP MAKE CCW OP A WRITE BREAK @V200899 00557000
MVC 8(8,R1),NOPCCW MOVE IN A NO-OP @V200899 00558000
BAL R9,DORNIO AND GO TO RN SIO CODE @V200899 00559000
BAL R9,BUFUNLK UNLOCK THE IMAGE PAGE BUFFER @VM08949 00560000
MVC NEXTADDR(4),SAVEWRK5 SAVE CONTROL PROGRAM ENTRY @V2D3931 00561000
* B NICSET ...WHILE WE SETUP THE NICLIST 00562000
DROP R4 @V200820 00563000
EJECT 00564000
*---------------------------------------------------------------------* 00565000
* 370X LOAD HAS COMPLETED WITHOUT ERROR - TIME TO GET AND FILL * 00566000
* NICLIST FOR THE IMAGE JUST LOADED BY RETRIEVING THE RESOURCE DATA * 00567000
* STORED ON SYSTEM DISK WITH NCP CORE IMAGE. * 00568000
*---------------------------------------------------------------------* 00569000
SPACE 00570000
NICSET EQU * @V200820 00571000
L R3,SAVEWRK8 'CCPD' OF CCPARM START PAGE @VM08949 00572000
BAL R9,LOCKBUF BRING AND LOCK THE INFORMATION @VM08949 00573000
LR R7,R2 SET UP ADDRESSABILITY FOR @V200820 00574000
USING CCPARM,R7 DSECT FOR PARMS @V200820 00575000
MVC SAVEWRK5,CCPPSIZE SAVE SIZE OF PARMS FOR LATER@V200820 00576000
TM CCPTYPE,CCPTNCP IS THIS AN NCP ( OR A PEP ) @VA08872 00577100
BO NICSNCP YES, GO SET UP NICLIST @VA08872 00578100
NICSET1A EQU * @VA06109 00578400
LA R6,TEMPSAVE POINT TO A DUMMY 'NICLIST' @V200820 00579000
LA R0,(NICSIZE*8)*2 MAKE IT TWO NICBLOK'S LONG @V200820 00580000
OI RDEVFLAG,RDEVLCEP EMULATOR IS ACTIVE @V200820 00581000
B NICSCEP GO SCAN CCPARM INFORMATION @V200820 00582000
NICSNCP EQU * ALLOCATE NICBLOK LIST @V200820 00583000
LH R1,CCPMAXID MAXIMUM RESOURCE ID TO R1 @V200820 00584000
STH R1,RDEVMAX PUT IN RDEVBLOK @V200820 00585000
LA R1,1(0,R1) BUMP BY ONE TO ALLOW FOR ZERO @V200820 00586000
MH R1,=AL2(NICSIZE) COMPUTE SIZE NEEDED @V200820 00587000
LR R0,R1 NUMBER OF DBLWDS TO R0 @V200820 00588000
CALL DMKFREE GET CORE FOR NEW NICLIST @V200820 00589000
* GR1= ADDRESS OF NICLIST 00590000
ST R1,RDEVNICL PUT ADDR OF NICLIST IN RDEVBLOK @V200820 00591000
OI RDEVFLAG,RDEVLNCP INDICATE NCP ACTIVE @V200820 00592000
TM CCPTYPE,CCPTPEP IS THIS A PEP ? @VA08872 00593100
BNO *+8 NO, NCP ONLY @VA08872 00594100
OI RDEVFLAG,RDEVLCEP EMULATOR IS ALSO ACTIVE @V200820 00595000
SLL R0,3 NUM. DBLWDS * 8 = SIZE OF NICLIST @V200820 00596000
LR R6,R1 NICLIST ADDRESS TO GR6 @V200820 00597000
NICSCEP EQU * START PROCESSING FOR AN EMULATOR @V200820 00598000
LA R1,CCPRESID-CCPARM START OF RESOURCES @V200820 00599000
LA R2,4 PUT INCREMENT INTO R2 @V200820 00600000
LA R3,4095 CONSTANT OF 4095 TO R3 @V200820 00601000
CL R3,CCPPSIZE ARE PARMS 1 FULL PAGE OR LESS ? @V200820 00602000
BL NICSETB NO, . . . @V200820 00603000
L R3,CCPPSIZE YES, USE PARMS SIZE @V200820 00604000
BCTR R3,0 DECREMENT R3 FOR BXH INST. @V200820 00605000
* B NICSETB 00606000
EJECT 00607000
*---------------------------------------------------------------------* 00608000
* REGISTER USAGE DURING THE FOLLOWING CODE TO FILL NICLIST IS: * 00609000
* * 00610000
* GPR1 - OFFSET TO CURRENT RESOURCE ENTRY * 00611000
* GPR2 - SIZE OF RESOURCE ENTRY (USED AS INCREMENT) * 00612000
* GPR3 - OFFSET TO END OF RESOURCE RECORD-1 OR * 00613000
* OFFSET TO END OF RESOURCE ENTRIES-1 * 00614000
* GPR4 - SIZE OF NICBLOK (USED AS INCREMENT) * 00615000
* GPR5 - END OF NICLIST-1 * 00616000
* GPR6 - CURRENT NICLIST ENTRY (IE. CURRENT NICBLOK) * 00617000
* GPR7 - START OF 4K RESOURCE RECORD * 00618000
*---------------------------------------------------------------------* 00619000
SPACE 00620000
NICSETB EQU * @V200820 00621000
USING NICBLOK,R6 @V200820 00622000
LA R4,NICSIZE*8 INCRENENT FOR BUMPING THRU NI@V200820 00623000
LR R5,R0 SIZE (IN BYTES) OF NICLIST @V200820 00624000
LA R5,0(R5,R6) POINT TO END OF NICLIST @V200820 00625000
BCTR R5,0 DECREMENT FOR BXLE INST. @V200820 00626000
SR R9,R9 NICNAME REGISTER @V200820 00627000
L R14,ASYSVM @V200820 00628000
NICSETL EQU * @V200820 00629000
XC NICBLOK(NICSIZE*8),NICBLOK CLEAR NEXT ENTRY @V200820 00630000
USING CCPRESID,R1 DSECT OF CCPARM RESOURCE ENTRY @V200820 00631000
IC R0,CCPRSTYP(R7) GET RESOURCE TYPE FROM CCPARM@V200820 00632000
STC R0,NICTYPE AND PUT IN NICBLOK @V200820 00633000
STH R9,NICNAME STORE RESOURCE ID. IN NICBLOK@V200820 00634000
ST R14,NICUSER VMBLOK ADDRESS TO NICBLOK @V200820 00635000
LH R0,CCPRSTEP(R7) GET EMULATOR ADDRESS (IF ANY)@V200820 00636000
TM RDEVFTR,FTRTYP1 IS THIS A TYPE 1 CA ? @V240820 00637000
BZ *+8 NO -- DON'T SET CHANNEL ADDR@V240820 00638000
ICM R0,2,SAVEWRK1+2 ADD CHANNEL TO SUB-CHANNEL @V240820 00639000
STH R0,NICEPAD AND STORE IT IN NICBLOK @V200820 00640000
IC R0,CCPRSTAT(R7) INITIAL STATUS FOR RESOURCE @V200820 00641000
STC R0,NICSTAT ...SET IN THE NICBLOK @V200820 00642000
CLI NICTYPE,NICTERM+NICCIBM SELECTRIC TERMINAL ? @V200820 00643000
BNE *+8 NO --- @V200820 00644000
OI NICFLAG,NICPSUP ASSUME PRINT SUPPRESS FEATUR@V200820 00645000
TM NICSTAT,NICEPMD+NICSWEP POTENTIAL E.P. LINE ? @V240820 00646000
BZ NICSETN NO -- ALL SET ALREADY @V200820 00647000
L R15,IOBMISC POINTER TO THE WORK AREA @V240820 00648000
STM R0,R14,0(R15) SAVE THE CURRENT REGISTERS @V240820 00649000
LR R9,R10 SAVE THE IOBLOK ADDRESS IN GR9 @V240820 00650000
LH R1,NICEPAD EMULATOR-MODE ADDRESS @V200820 00651000
CALL DMKSCNRU TRY TO FIND THE RDEVBLOK @V200820 00652000
BNZ NICSETE NOPE - IGNORE IT @V200820 00653000
L R1,RDEVUSER GET ADDR OF RDEVBLOK VMBLOK @V407508 00654100
SWTCHVM OPT=STAY SWITCH TO THIS VMBLOK @V407508 00655100
LH R1,SAVEWRK1+2 NATIVE ADDRESS FOR THE 370X @V200820 00657000
STH R1,RDEVBASE MAKE SURE THIS IS SET @V200820 00658000
NI RCUSTAT-RCUBLOK(R7),255-(RCUDISA+RCUCHAOF) @V4M0244 00659000
* VARY ON CONTROL UNIT AND CHANNEL PATH TO DEVICE @V4M0244 00659100
TM RDEVSTAT,RDEVDED+RDEVDISA ATTACHED / OFFLINE@V240820 00660000
BNZ NICSET1 YES - SKIP NEXT PART @V240820 00661000
TM RDEVFLAG,RDEVENAB WAS THE DEVICE ENABLED ? @V240820 00662000
BZ NICSET4 NO -- JUST RESET TO ZERO @V240820 00663000
CALL DMKQCNCL FLUSH ANY CONTASK CHAIN @VM08809 00664000
CL R11,ASYSVM WAS THERE AN ACTIVE USER ? @V240820 00665000
BE NICSET1 NO -- O.K. @VM08809 00666000
CALL DMKQCNTO,AFFINITY FORCE DISCONNECT THIS USER @V407508 00667100
MVC RDEVUSER(4),ASYSVM RESET TO THE SYSTEM VMBLOK @VA01892 00668000
NICSET1 EQU * CLEAN UP OUTSTANDING I/O @VM08809 00669000
L R4,RDEVFIOB INIT IOBLOK FORWARD POINTER @VA04587 00669500
ICM R10,15,RDEVAIOB TEST FOR ACTIVE I/O @V240820 00670000
BZ NICSET3 NO -- CONTINUE @V240820 00671000
TM IOBFLAG,IOBCP CP GENERATED I/O ? @VA04587 00671300
BZ NICSET3 NO, LEAVE FOR DMKVDREL @VA04587 00671600
SLR R0,R0 @VM08809 00672000
ST R0,RDEVAIOB NO MORE ACTIVE IOBLOK @VM08809 00673000
NICSET2 EQU * TRY TO CLEAN UP QUEUED IOBLOKS @VM08809 00674000
LA R0,IOBSIZE SIZE OF IOBLOK @VA04587 00675100
LR R1,R10 ADDRESS OF IOBLOK @VA04587 00676100
CALL DMKFRET UNLOAD IT .... POST HASTE @VA04587 00677100
NICSET3 EQU * @VM08809 00678000
CR R4,R8 ANY IOBLOKS QUEUED ? @VA04587 00678700
BE NICSET4 NO, ...... @VA04587 00679400
LR R10,R4 ADDRESSABILITY FOR IOBLOK @VA04587 00680100
L R4,IOBFPNT POINT TO NEXT BLOCK ON QUEUE @VA04587 00680800
TM IOBFLAG,IOBCP CP GENERATED I/O ? @VA04587 00681500
BZ NICSET3 TRY NEXT IOBLOK ............ @VA04587 00682200
LM R1,R2,IOBFPNT PICK UP CHAIN LINKS .. @VA04587 00682900
ST R1,IOBFPNT-IOBLOK(,R2) DE-CHAIN IT ..... @VA04587 00683600
ST R2,IOBBPNT-IOBLOK(,R1) ...... @VA04587 00684300
B NICSET2 GO RESET ANOTHER IOBLOK @VM08809 00685000
SPACE 00686000
NICSET4 EQU * CLEAN UP RDEVBLOK FLAGS @VM08809 00687000
NI RDEVFLAG,RDEVEPMD+RDEVENAB LEAVE THESE @VM08809 00688000
NI RDEVSTAT,RDEVDED+RDEVIRM AND THESE @VM08809 00689000
CLI RDEVTYPE,TYPBSC IS THIS A BISYNC LINE ? @V2D3931 00690000
BE *+8 YES, BYPASS CLEARING FLAG BYTE @V2D3931 00691000
MVI RDEVTFLG,X'00' RESET TERMINAL FLAGS @VM08809 00692000
MVI RDEVSTA2,X'00' . . . @VM08809 00693000
TM SAVEWRK1,FROMNET CALLED FROM DMKNETWK ? @VM08809 00694000
BZ *+8 NO -- O.K. AS IS @VM08809 00695000
NI RDEVFLAG,255-RDEVENAB LET THE LINE RE-ENABLE @VM08809 00696000
TM RDEVTYPE,TYPIBM1 2741 / 1050 LINE ? @VM08809 00697000
BZ NICSET5 NO -- @VM08809 00698000
MVI RDEVTYPE,TYPUNDEF NOW UNDEFINED TYPE @VM08809 00699000
MVI RDEVTMCD,RDEVPTTC RESET TERMINAL CODE @VM08809 00700000
EJECT 00701000
NICSET5 EQU * RESET AND CONTINUE @VM08809 00702000
LR R10,R9 RESTORE OUR OWN IOBLOK ADDRESS @V240820 00703000
TM RDEVSTAT,RDEVDED WAS THE DEVICE DEDICATED ? @V240820 00704000
BZ NICSET7 NO -- CHECK FOR EP-MODE @V240820 00705000
LR R9,R8 RDEVBLOK ADDRESS TO GR9 @V240820 00706000
LH R1,RDEVATT VIRTUAL DEVICE ADDRESS @V240820 00707000
CALL DMKSCNVU GET THE VIRTUAL DEVICE BLOCKS @V240820 00708000
LTR R8,R8 IS THERE A VIRTUAL DEVICE BLOCK ?@VA08229 00708100
BNP NODETACH NO, CANNOT DETACH OR RELEASE IT @VA08229 00708200
USING VDEVBLOK,R8 @V240820 00709000
TM VDEVFLAG,VDEVDIAL DIALED CONNECTION ? @V240820 00710000
BO NICSET6 YES - JUST RELEASE IT @V240820 00711000
LH R1,VDEVADD VIRTUAL DEVICE ADDRESS ALONE @V240820 00712000
SLL R1,1(0) SHIFT FOR VCUDVTBL INDEX @V240820 00713000
L R2,FFS X'FFFFFFFF' @V240820 00714000
STH R2,VCUDVTBL-VCUBLOK(R1,R7) DETACH DEVICE @V240820 00715000
STH R2,VDEVADD . . . @V240820 00716000
DROP R8 @V240820 00717000
NICSET6 EQU * RELEASE DEDICATED DEVICE @V240820 00718000
CALL DMKVDREL,AFFINITY . . . @V407508 00719100
NODETACH EQU * BYPASS DETACH AND RELEASE @VA08229 00719600
LR R8,R9 RDEVBLOK BACK TO GR8 AGAIN @V240820 00720000
USING RDEVBLOK,R8 @V240820 00721000
NICSET7 EQU * CHECK FOR EP-MODE SWITCHED LINE @V240820 00722000
TM RDEVFLAG,RDEVEPMD SWITCHED FROM NCP TO EP ? @V240820 00723000
BZ NICSET8 NO -- ALL DONE HERE @V240820 00724000
L R1,SAVEWRK9 370X BASE RDEVBLOK @V240820 00725000
LA R1,0(R1) ZERO HIGH ORDER BYTE @VA12808 00725500
MVC RDEVEPDV(4),RDEVEPDV-RDEVBLOK(R1) RE-CHAIN @V240820 00726000
ST R8,RDEVEPDV-RDEVBLOK(,R1) . . . @V240820 00727000
L R7,RDEVCUA CONTROL UNIT FOR DYNAMIC BLOCK @V240820 00728000
LH R1,RDEVADD REAL DEVICE ADDRESS ALONE @V240820 00729000
SLL R1,1(0) SHIFT FOR RCUDVTBL INDEX @V240820 00730000
L R2,FFS X'FFFFFFFF' @V240820 00731000
STH R2,RCUDVTBL-RCUBLOK(R1,R7) DISCONNECT @V240820 00732000
STH R2,RDEVADD RESET DYNAMIC RDEVBLOK ADDRESS @V240820 00733000
NICSET8 EQU * RESTORE VALUES @V240820 00734000
L R8,SAVEWRK9 BACK TO THE 370X RDEVBLOK @V240820 00735000
LA R8,0(R8) ZERO HIGH ORDER BYTE @VA12808 00735500
L R1,SAVER11 GET ADDR OF CALLER'S VMBLOK @V407508 00736100
SWTCHVM OPT=STAY SWITCH TO THIS VMBLOK @V407508 00737100
EJECT 00739000
NICSETE EQU * @V240820 00740000
L R15,IOBMISC POINTER TO THE WORK AREA @V240820 00741000
LM R0,R14,0(R15) RESTORE REGISTERS @V240820 00742000
TM NICSTAT,NICSWEP SWITCHABLE TO NCP-MODE ? @V200820 00743000
BO NICSETN YES - NOW WE'RE ALL SET @V200820 00744000
BCTR R9,0 BACK OFF THE RESOURCE I.D. @V200820 00745000
SLR R6,R4 BACK OFF THE NICBLOK ADDRESS @V200820 00746000
OI RDEVFLAG,RDEVEPLN EMULATOR LINE IN USE ON 370X@V240820 00747000
NICSETN EQU * NEXT CCPARM ENTRY, NEXT NICBLOK @V200820 00748000
LA R9,1(0,R9) BUMP NICNAME REG @V200820 00749000
BXH R1,R2,NICSETP BRANCH IF NO MORE CCPARM @V200820 00750000
BXLE R6,R4,NICSETL BRANCH IF MORE NICLIST @V200820 00751000
B LOADCMP @V200820 00752000
NICSETP EQU * @V200820 00753000
BXH R6,R4,LOADCMP BRANCH IF ALL DONE @V200820 00754000
CL R1,SAVEWRK5 END OF RESOURCE DATA ? @V200820 00755000
BE LOADCMP YES - COMMAND COMPLETE @V200820 00756000
L R3,SAVEWRK8 CURRENT 'CCPD' FOR CCPARM PAGE @VM08949 00757000
BAL R9,BUFINCR INCREMENT CCPD, UNLOCK BUFFER @VM08949 00758000
ST R3,SAVEWRK8 SAVE NEW CCPD VALUE @VM08949 00759000
BAL R9,LOCKBUF BRING AND LOCK THE NEW PAGE @VM08949 00760000
LR R7,R2 RADDR OF CCPARM TO R7 @V200899 00761000
SR R1,R1 ZERO CCPARM OFFSET REG @V200899 00762000
LA R2,4 PUT CCPARM INCREMENT BACK INT@V200899 00763000
L R3,SAVEWRK5 GET NUMBER OF BYTES OF CCPARMS @V200899 00764000
S R3,F4096 MINUS 4K @V200899 00765000
ST R3,SAVEWRK5 PUT IT BACK IN CASE IT IS NEEDED@V200899 00766000
LA R3,4095 BUFFER SIZE - 1 TO R3 @V200899 00767000
C R3,SAVEWRK5 REMAINING PARMS LT 4K ? @V200899 00768000
BL NICSETL NO, . . . . . @V200899 00769000
L R3,SAVEWRK5 YES, USE BYTES REMAINING @V200899 00770000
BCTR R3,0 DECREMENT FOR BXH INST. @V200899 00771000
B NICSETL AND LOOP @V200899 00772000
EJECT 00773000
LOADCMP EQU * @V200899 00774000
BAL R9,BUFUNLK UNLOCK THE BUFFER PAGE @VM08949 00775000
*--------------------------------------------------------------------* 00776000
* NOW WRITE NCP ENTRY POINT ADDRESS TO 3705 * 00777000
* (THIS MUST COME AFTER SETTING UP NICBLOK LIST, SINCE * 00778000
* THE 370X NCP WILL PRESENT 'IPL COMPLETE' BTU TO DMKRNH) * 00779000
*--------------------------------------------------------------------* 00780000
L R4,IOBMISC POINT TO RNIOSAV WORK AREA @V200899 00781000
USING RNIOSAV,R4 @V200899 00782000
LA R6,NEXTADDR POINT TO THE ENTRY POINT ADDRESS @V240820 00783000
ST R6,RNCCWS AND PUT IT IN CCW @V200899 00784000
MVI RNCCWS,WRITEOP SET CCW OP TO WRITE @V200899 00785000
LA R6,4(0,0) LENGTH OF DATA TO R6 @V200899 00786000
ST R6,RNCCWS+4 AND INTO CCW @V200899 00787000
MVI RNCCWS+4,CC+SILI CHAIN FLAGS TO NOP @V200899 00788000
MVC RNCCWS+8(8),NOPCCW MOVE IN A NO-OP @V200820 00789000
BAL R9,DORNIO GO TO SIO CODE @V200820 00790000
SPACE 00791000
OI RDEVSTAT,RDEVRSVD LOADED BY THE SYSTEM @V200820 00792000
TM RDEVFLAG,RDEVLNCP IS THERE AN NCP OUT THERE ? @VM08827 00793000
BO LOADMSG YES - ALL SET AS IS @VM08827 00794000
NI RDEVSTAT,255-(RDEVRSVD+RDEVNRDY) FOR THE E.P. @VM08827 00795000
LOADMSG EQU * SEND MSG 'CTLR XXX LOAD COMPLETE'@VM08827 00796000
MVC RNIOSAV(CMPMSGLN),COMPMSG MOVE MSG SKELETON @V200820 00797000
MVC RNIOSAV+COMPNCPN(8),RDEVNCP NCPNAME TO MSG @V240820 00798000
SPACE 00799000
CMDCOMP EQU * SEND COMPLETE MESSAGE TO USER @V200820 00800000
LH R1,SAVEWRK1+2 GET RADDR OF 370X FOR MESSAGE@V200820 00801000
CALL DMKCVTBH GO CONVERT TO HEX @V200820 00802000
STCM R1,B'0111',RNIOSAV+COMPRADD PUT RADDR IN MSG @V200820 00803000
SLR R2,R2 PARMS BASE FOR DMKQCNWT @V200820 00804000
TM SAVEWRK1,FROMNET CALL VIA CONSOLE FUNCTION ? @V200820 00805000
BO *+8 YES - RESPONSE TO CALLER @V200820 00806000
LA R2,OPERATOR SEND MESSAGE TO SYSTEM OPERATOR @V200820 00807000
LA R1,RNIOSAV START OF MESSAGE DATA @V200820 00808000
LA R0,CMPMSGLN LENGTH OF MSG TO R0 @V200820 00809000
CALL DMKQCNWT,PARM=NORET(,R2),AFFINITY @V407508 00810100
B NLDEXIT @V200820 00811000
EJECT 00812000
LOCKBUF EQU * BRING AND LOCK PAGE BY 'CCPD' @VM08949 01000000
LR R0,R3 'CCPD' TO GR0 FOR DMKRPAGT @VM08949 01001000
L R1,SAVEWRK7 VIRTUAL BUFFER ADDRESS TO GR1 @VM08949 01002000
CALL DMKRPAGT,PARM=BRING+LOCK+SYSTEM,AFFINITY GET PAGE@V407508 01003100
BNZ NLD470 PAGING ERROR @V305435 01004000
ST R2,SAVEWRK6 SAVE REAL ADDRESS FOR UNLOCK @VM08949 01005000
OI SAVEWRK1,UNLKBUF REMEMBER TO UNLOCK BUFFER @VM08949 01006000
BR R9 @VM08949 01007000
SPACE 2 01008000
BUFINCR EQU * INCREMENT 'CCPD', UNLOCK BUFFER @VM08949 01009000
A R3,F256 INCREMENT THE PAGE NUMBER @VM08949 01010000
CLM R3,2,SAVEWRK9 REACHED THE END OF A CYLINDER ? @VM08949 01011000
BNH BUFUNLK NO -- CONTINUE @VM08949 01012000
A R3,=X'00010000' INCREMENT CYLINDER NUMBER @VM08949 01013000
ICM R3,2,F1+3 RESET TO PAGE NUMBER ONE @VM08949 01014000
BUFUNLK EQU * UNLOCK THE REAL PAGE BUFFER @VM08949 01015000
L R2,SAVEWRK6 REAL PAGE ADDRESS FROM LOCK @VM08949 01016000
CALL DMKPTRUL UNLOCK THE REAL PAGE @VM08949 01017000
NI SAVEWRK1,255-UNLKBUF ERASE CLEANUP FLAG @VM08949 01018000
BR R9 @VM08949 01019000
EJECT 01020000
*--------------------------------------------------------------------* 01099000
* SUBROUTINE TO TRANSMIT 370X BOOTSTRAP RECORDS TO CCU * 01100000
*--------------------------------------------------------------------* 01101000
SNDBOOTS EQU * @V200899 01102000
BAL R9,TRNLOCK BRING AND LOCK PHASE ONE @VM08692 01103000
OI SAVEWRK1,BOOTSFLG REMEMBER TO UNLOCK IT @VM08692 01104000
L R1,IOBMISC POINT R1 TO FIRST CCW SLOT @V200899 01105000
ST R2,0(0,R1) PUT REAL ADDRESS IN WRITE IPL @V200899 01106000
MVI 0(R1),WIPLOP SET WRITE IPL OP CODE @V200899 01107000
MVI 4(R1),CC+SILI SET CMD CHAINING AND SILI ON @V200899 01108000
MVC 6(2,R1),2(R2) MOVE LENGTH OF PHASE 1 TO CCW @V200899 01109000
MVC 8(8,R1),NOPCCW MOVE IN A NO-OP @V200899 01110000
BAL R9,DORNIO GO TO RN SIO ROUTINE @V200899 01111000
CALL DMKPTRUL UNLOCK PHASE ONE PAGE (R2 OK) @VM08692 01112000
NI SAVEWRK1,255-BOOTSFLG TURN OFF FLAG FOR NOW @VM08692 01113000
SPACE 01114000
LR R1,R3 GR1 = ADDRESS OF BOOTSTRAP TWO @VM08692 01115000
BAL R9,TRNLOCK BRING AND LOCK PHASE TWO @VM08692 01116000
OI SAVEWRK1,BOOTSFLG REMEMBER TO UNLOCK IT @VM08692 01117000
L R1,IOBMISC POINT R1 TO FIRST CCW SLOT @V200899 01118000
ST R2,0(0,R1) PUT REAL ADDRESS IN WRITE IPL @V200899 01119000
MVI 0(R1),WRTBRKOP SET WRITE BREAK OP CODE @V200899 01120000
CMDOK EQU * @V200899 01124000
MVI 4(R1),CC+SILI SET CMD CHAINING AND SILI ON @V200899 01125000
MVC 6(2,R1),2(R2) MOVE LENGTH OF PHASE 1 TO CCW C@V200899 01126000
MVC 8(8,R1),NOPCCW MOVE IN A NO-OP @V200899 01127000
BAL R9,DORNIO GO TO RN SIO ROUTINE @V200899 01128000
CALL DMKPTRUL UNLOCK PHASE TWO PAGE (R2 OK) @VM08692 01129000
NI SAVEWRK1,X'FF'-BOOTSFLG RESET BOOTSTRAP PROCESS @V200899 01130000
BR R7 RETURN TO MAIN LINE CODE @V200899 01131000
SPACE 01132000
TRNLOCK EQU * BRING IN AND LOCK SYSTEM PAGE @VM08692 01133000
* BRING IN AND LOCK SYSTEM PAGE @V407508 01134100
TRANS 2,1,OPT=(BRING,DEFER,SYSTEM,LOCK),IOER=NLD470,AFFINITY 01134200
BR R9 @VM08692 01135000
EJECT 01136000
*--------------------------------------------------------------------* 01137000
* GET AND CLEAR STORAGE FOR USE AS AN IOBLOK * 01138000
*--------------------------------------------------------------------* 01139000
SPACE 01140000
IOBLGET EQU * @V200820 01141000
LA R0,IOBSIZE SIZE OF IOBLOK TO R0 @V200820 01142000
CALL DMKFREE CALL DMKFREE TO GET STORAGE @V200820 01143000
LR R10,R1 IOBLOK ADDRESS TO R10 @V200820 01144000
XC IOBRADD(IOBSIZE*8),IOBRADD CLEAR IOBLOK @V200820 01145000
ST R11,IOBUSER USER'S VMBLOK ADDRESS TO IOBLOK @V200820 01146000
LA R1,RNIOINT PUT ADDRESS OF 3705 INT. HANDLER @V200820 01147000
ST R1,IOBIRA INTO IOBLOK @V200820 01148000
BR R9 RETURN @V200820 01149000
SPACE 2 01150000
*--------------------------------------------------------------------* 01151000
* GET STORAGE FOR USE AS CCW AREA AND I/O REG SAVE AREA AND CLEAR IT * 01152000
*--------------------------------------------------------------------* 01153000
SPACE 01154000
IOBINIT EQU * @V200820 01155000
BAL R9,IOBLGET ALLOCATE AND INITIALIZE AN IOBLOK@V200820 01156000
LA R0,RNWKSIZE SIZE OF AREA TO R0 @V200820 01157000
CALL DMKFREE GO GET STORAGE @V200820 01158000
LR R4,R1 ADDRESS OF RNIOSAV TO R4 @V200820 01159000
ST R1,IOBMISC SAVE ADDRESS OF STORAGE IN IOBLOK @V200820 01160000
XC 0(RNWKSIZE*8,R4),0(R4) CLEAR THE AREA @V200820 01161000
OI SAVEWRK1,RNSAVREL RELEASE WORK AREAS @V200820 01162000
BR R7 RETURN TO MAIN LINE CODE @V200820 01163000
EJECT 01164000
*--------------------------------------------------------------------* 01165000
* THIS IS THE SIO INTERFACE CODE FOR 3705 I/O OF LOAD/DUMP PROGRAMS * 01166000
*--------------------------------------------------------------------* 01167000
SPACE 01168000
DORNIO EQU * @V200820 01169000
STM R0,R9,RNSVREGS SAVE CALLERS REGS @V200899 01170000
LA R1,5(0,0) RETRY COUNT IN CASE OF ERROR @VM08672 01171000
STH R1,IOBRCNT . . . @VM08672 01172000
MVC IOBCAW(4),IOBMISC SAVE CCW BUFFER POINTER @V2D3931 01173000
MVI IOBFLAG,IOBCP CP-GENERATED CHANNEL PROGRAM @VM08672 01174000
RESTRNIO EQU * @V200899 01175000
MVI IOBSTAT,X'00' CLEAR IOBLOK STATUS BYTE @VM08672 01176000
NI IOBFLAG,IOBCP+IOBRSTRT LEAVE ONLY THESE FLAGS @VM08672 01177000
ST R13,IOBMISC2 SAVE POINTER TO CALLERS SAVE AREA@V200899 01178000
XC IOBCSW(8),IOBCSW CLEAR OUT THE CSW @VM08775 01179000
CALL DMKIOSQR CALL IOS @V200899 01180000
GOTO DMKDSPCH GO TO DISPACTH TO WAIT FOR I/O @V200899 01181000
EJECT 01182000
*--------------------------------------------------------------------* 01183000
* THIS IS THE 3705 I/O INTERRUPT HANDLER FOR DMKNLD * 01184000
*--------------------------------------------------------------------* 01185000
SPACE 01186000
RNIOINT EQU * @V200899 01187000
USING *,R12 RE-ESTABLISH @V200899 01188000
SL R12,=A(RNIOINT-DMKNLD) ADDRESSABILITY TO BASE @V200899 01189000
USING DMKNLD,R12 @V200899 01190000
L R13,IOBMISC2 RESTORE SAVEAREA POINTER @V200899 01191000
L R4,IOBMISC RESTORE RNIOSAV POINTER @V200899 01192000
TM IOBSPEC,IOBTIO IS INTERRUPT FOR A TIO @V200899 01193000
BO TIORETN YES,GO HANDLE SPECIAL @V200899 01194000
TM IOBSTAT,IOBCC3 ANY CONDITION CODE FROM I/O @V200899 01195000
BO VANISH CC=3 - SOMETHING IS VERY WRONG @VM08775 01196000
BZ CHKSTAT CC=0 - EVERYTHING IS O.K. ---SO F@V200899 01197000
* CC=1 OR 2 HAVE TO CHECK FURTHER 01198000
TM IOBSTAT,IOBCC1 IS IT CC=1 ? @V200899 01199000
BZ IORETRY NO, RETRY I/O @V200899 01200000
CHKSTAT EQU * @V200899 01201000
CLC IOBCSW+4(2),=X'0C00' IS STATUS NORMAL? (CE+DE)@V200899 01202000
BE RNIOXIT YES, I/O WENT O.K. @V200899 01203000
CLC IOBCSW+4(2),=AL1(ATTN+DE+CE,0) ATTN+CE+DE? @VA08855 01203040
BE LOADOK YES, LOAD FINISHED OK @VA08855 01203080
CLC IOBCSW+4(2),=AL1(ATTN+DE,0) ATTN AND DE?? @VA11588 01203130
BNE RNIOERR NO, MUST BE AN ERROR @VA08855 01203160
LOADOK EQU * @VA08855 01203200
LA R0,IOBSIZE USING NEW STUFF, GET AN IOB... @VM05005 01203240
CALL DMKFREE ... AND DUMMY IT UP FOR DMKRNH...@VM05005 01203320
ST R10,0(R1) (SWITCH IOBLOKS) @VM05005 01203400
LR R10,R1 TO MAKE IT LOOK LIKE THE OLD @VM05005 01203480
L R1,0(R1) SUPPORT WHERE ATTN CAME IN AFTER @VM05005 01203560
XC IOBLOK(IOBSIZE*8),IOBLOK LOAD WAS COMPLETE @VM05005 01203640
MVI IOBCSW+4,ATTN MAKE IT LOOK LIKE ATTN ALONE @VM05005 01203720
OI IOBFLAG,IOBCP CP GENERATED @VM05005 01203800
OI IOBSPEC,IOBUNSL UNSOLICITED I/O INT. @VM05005 01203880
MVC IOBRADD(2),IOBRADD-IOBLOK(R1) SAME ADDRESS @VM05005 01203960
ST R10,IOBLINK ENDING STATUS @VM05005 01204040
L R0,ASYSVM SYSTEM OWNS THIS ONE @VM05005 01204120
ST R0,IOBUSER ... @VM05005 01204200
L R0,=A(DMKRNHIN) SEND THE INTERRUPT TO RNH @VM05005 01204280
ST R0,IOBIRA ... @VM05005 01204360
CALL DMKSTKIO SEND IT OFF... @VM05005 01204440
LR R10,R1 AND RESTORE THE OLD IOB ADDR. @VM05005 01204520
B RNIOXIT RETURN TO CALLER @VM05005 01204600
SPACE 01204680
RNIOERR TM IOBCSW+5,X'FF'-(CDC+IL) ANY HARD ERRORS? @VM05005 01204760
BNZ RNIOER YES,DISASTER @V200899 01205000
TM IOBCSW+4,CUE+SM HARD DEVICE ERRORS ? @V200899 01206000
BNZ RNIOER YES, QUIT NOW @V200899 01207000
TM IOBCSW+4,UC UNIT CHECK ??? @V200899 01208000
BZ IORETRY NO, RETRY I/O @V200899 01209000
L R1,IOBIOER GET ADDR OF IOERBLOK @V200899 01210000
USING IOERBLOK,R1 @V200899 01211000
TM IOERDATA,IPLREQ+INTREQ+ABORT RETRY O.K. ? @V200899 01212000
DROP R1 @V200899 01213000
BZ IORETRY YES -- JUST RETRY THE I/O @V200899 01214000
BAL R7,FRERBLOK RELEASE THE IOERBLOK @VM08692 01215000
LM R0,R9,RNSVREGS RESTORE REGISTERS @V200899 01216000
B NLD460 PROGRAM CHECK IN BOOTSTRAP @V305435 01217000
* ROUTINE 01218000
SPACE 2 01219000
VANISH EQU * CC = 3 DURING LOAD OR DUMP @VM08775 01220000
BAL R7,FRERBLOK RELEASE IOERBLOK, IF ANY @VM08775 01221000
LM R0,R9,RNSVREGS RESTORE REGISTERS @VM08775 01222000
B NLD464E GIVE CC = 3 MESSAGE @VM08775 01223000
EJECT 01224000
TIORETN EQU * @V200899 01225000
TM IOBSTAT,IOBCC3 CHECK CC FROM TIO @V200899 01226000
BO NLD040 CC=3 DEVICE NOT THERE - ERROR@V200899 01227000
BZ OPMSG IF CC=0 TREAT AS IF IPL REQ'D@V200899 01228000
* WASN'T ON 01229000
TM IOBSTAT,IOBCC1 IS IT CC=1 @V200899 01230000
BZ IORETRY NO -- RETRY @V200899 01231000
TM IOBCSW+4,UC WAS IT A UNIT CHECK ? @V200899 01232000
BO CKTIOSNS YES - THAT'S WHAT WE EXPECT @V200899 01233000
L R1,=A(DMKRNHIN) SET UP IOBIRA FOR DMKRNH @V200899 01234000
ST R1,IOBIRA . . . @V200899 01235000
MVC IOBUSER(4),ASYSVM SET UP SYSTEM VMBLOK POINTER @V2D3931 01236000
CALL DMKSTKIO AND RESTACK I/O @V200899 01237000
BAL R9,IOBLGET GET ANOTHER IOBLOK FOR US @V200899 01238000
ST R13,IOBMISC2 RESET THESE VALUES ... @V200899 01239000
ST R4,IOBMISC ... @V200899 01240000
B OPMSG GO TALK TO THE OPERATOR @V200899 01241000
SPACE 2 01242000
CKTIOSNS EQU * TEST SENSE DATA RECEIVED @V200899 01243000
L R1,IOBIOER GET ADDRESS OF IOERBLOK @V200899 01244000
USING IOERBLOK,R1 @V200899 01245000
TM IOERDATA,IPLREQ+INTREQ IS SENSE IPL REQUIRED OR@V200899 01246000
* INTERVENTION REQUIRED ? 01247000
BNZ RNIOXIT YES, NO NEED TO SEND MSG @V200899 01248000
DROP R1 @V200899 01249000
EJECT 01250000
*---------------------------------------------------------------------* 01251000
*HAVE TO SEND FOLLOWING MSG: * 01252000
* * 01253000
* DMKNLD461R CTLR (RADDR) IPL NOT REQUIRED; ENTER 'YES' TO CONTINUE: * 01254000
* * 01255000
*IN ORDER TO GET CONCURRENCE OF OPERATOR TO LOAD OR DUMP 370X * 01256000
* THAT DOES NOT HAVE IPL REQUIRED BIT ON IN SENSE. * 01257000
*---------------------------------------------------------------------* 01258000
SPACE 01259000
OPMSG EQU * @V200899 01260000
MVC 0(M461RLN,R4),M461SKEL MOVE 461R SKELETON MSG @V200899 01261000
LH R1,SAVEWRK1+2 PICK UP RADDR OF 370X @V200899 01262000
CALL DMKCVTBH AND CONVERT TO HEX @V200899 01263000
STCM R1,B'0111',M461RADD(R4) MOVE RADDR INTO MESSAGE@V200899 01264000
LR R1,R4 ADDRESS OF MSG TO R1 @V200899 01265000
LA R0,M461RLN MSG LENGHT TO R0 @V200899 01266000
L R2,=A(NOTRESP) SIGNAL NOT A COMMAND RESPONSE @V60C2B8 01267100
CALL DMKQCNWT,PARM=NORET+ERRMSG+NOAUTO(,R2) PROMPT @V60C2B8 01267120
LA R0,16 LENGTH OF REPLY TO R0 @V200899 01268000
LA R1,OPMREPLY REPLY BUFFER ADDRESS TO R1 @V200899 01269000
CALL DMKQCNRD,PARM=UCASE+EDIT @V200899 01270000
BNZ NOCHANG SOMETHING WENT WRONG DURING REPLY@V200899 01271000
CL R0,F3 CORRECT REPLY LENGTH ? @VM08851 01272000
BNE NOCHANG NO -- ABORT THE COMMAND @VM08851 01273000
CLC OPMREPLY(3),=C'YES' IS REPLY 'YES' @V200899 01274000
BE RNIOXIT UH HUH - GO DO THE FUNCTION @V200899 01275000
NOCHANG EQU * @V200899 01276000
LA R2,461 SET RETURN CODE FOR CALLER @V200899 01277000
B NLDERXIT NO, EXIT WITHOUT DOING IT @V200899 01278000
EJECT 01279000
IORETRY EQU * @V200899 01280000
BAL R7,FRERBLOK GO FREE IOERBLOK (IF ANY) @V200899 01281000
MVI IOBFLAG,X'00' CLEAR IOBLOK FLAG BYTE @VM08672 01282000
L R1,IOBCSW GET CSW FROM IOBLOK @V200899 01283000
S R1,F8 BACK UP TO POINT AT CCW IN ERROR @V200899 01284000
BNP IORSTRT RETRY FROM THE BEGINNING @VM08672 01285000
ST R1,IOBRCAW RETRY FROM THE FAILING CCW @VM08672 01286000
OI IOBFLAG,IOBRSTRT . . .VIA RESTART CAW @VM08672 01287000
IORSTRT EQU * CHECK RETRY COUNT @VM08672 01288000
LH R1,IOBRCNT GET RETRY COUNTER @V200899 01289000
S R1,F1 SUBTRACT 1 @V200899 01290000
STH R1,IOBRCNT AND PUT BACK @V200899 01291000
BNP NORETRY RETRY COUNT USED UP @VA08639 01292200
L R8,SAVEWRK9 RESTORE RDEVBLOK @VA08639 01292400
LA R8,0(R8) ZERO HIGH ORDER BYTE @VA12808 01292500
B RESTRNIO RESTART I/O @VA08639 01292600
NORETRY EQU * @VA08639 01292800
TM IOBSPEC,IOBTIO WAS ERROR ON TIO ? @V200899 01293000
BO NLD040 YES, TREAT AS IF DEVICE NON-EXIST@V200899 01294000
RNIOER EQU * @V200899 01295000
BAL R7,FRERBLOK GO FREE IOERBLOK (IF ANY) @V200899 01296000
LM R0,R9,RNSVREGS RESTORE REGS AT TIME OF I/O CALL @V200899 01297000
B NLD471 FATAL I/O ERROR @V305435 01298000
RNIOXIT EQU * @V200899 01299000
BAL R7,FRERBLOK GO FREE IOERBLOK (IF ANY) @V200899 01300000
SWITCH CONTINUE ON THE I/O PROCESSOR @V407508 01300100
LM R0,R9,RNSVREGS RESTORE REGS FOR CALLER @V200899 01301000
BR R9 I/O WAS OK - RETURN TO CALLER @V200899 01302000
SPACE 3 01303000
*---------------------------------------------------------------------* 01304000
* THIS SUBROUTINE WILL FREE THE IOERBLOK IF ANY EXISTS 01305000
*---------------------------------------------------------------------* 01306000
SPACE 01307000
FRERBLOK EQU * @V200899 01308000
L R1,IOBIOER GET IOERBLOK ADDR @V200899 01309000
LTR R1,R1 DOES ONE EXIST @V200899 01310000
BZ NOERBLOK NO, SKIP FREE CODE @V200899 01311000
LA R0,IOERSIZE SIZE OF IOERBLOK TO R0 @V200899 01312000
AH R0,IOEREXT-IOERBLOK(R1) ADD LENGTH OF EXT. @V200899 01313000
CALL DMKFRET GO FREE IT @V200899 01314000
XC IOBIOER(4),IOBIOER ZERO IOERBLOK PTR IN IOBLOK @V200899 01315000
NOERBLOK EQU * @V200899 01316000
BR R7 RETURN TO MAIN LINE CODE @V200899 01317000
EJECT 01318000
*---------------------------------------------------------------------* 01319000
* THIS SUBROUTINE WILL DISPOSE OF ALL RESOURCES THAT STILL ARE HELD * 01320000
* AT EXIT FROM DMKNLD. THIS IS TO AVOID THE POSSIBILITY OF * 01321000
* ANYTHING REMAINING IN CORE OR IN A STATUS (IE. LOCKED) THAT DID * 01322000
* NOT EXIST AT ENTRY TO DMKNLD. IT IS DRIVEN BY FLAG BITS SET IN * 01323000
* THE HIGH ORDER BYTE OF SAVEWRK1 (SEE EQUATES AT START OF MODULE * 01324000
* FOR APPROPRIATE MEANINGS OF BITS). * 01325000
*---------------------------------------------------------------------* 01326000
SPACE 01327000
CLEANUP EQU * @V200899 01328000
TM SAVEWRK1,BOOTSFLG NEED TO UNLOCK BOOTSTRAPS @VM08692 01329000
BZ CHKRBUF NO -- SEE ABOUT PAGE BUFFER @VM08692 01330000
CALL DMKPTRUL UNLOCK BOOTSTRAP (GR2 IS O.K.) @VM08692 01331000
NI SAVEWRK1,255-BOOTSFLG TIDINESS PAYS OFF @VM08692 01332000
CHKRBUF EQU * @VM08692 01333000
TM SAVEWRK1,UNLKBUF BUFFER TO BE UNLOCKED ? @V200899 01334000
BZ CHKRELSE NO, SEE IF BUFFER TO BE RELEASED @V200899 01335000
BAL R9,BUFUNLK UNLOCK THE BUFFER PAGE @VM08949 01336000
CHKRELSE EQU * @V200899 01337000
TM SAVEWRK1,PGTVREL BUFFER TO BE RELEASED? @V200899 01338000
BZ CHKRNREL NO, CHECK FOR WORK AREAS @V407508 01339100
L R1,SAVEWRK7 GET VADDR OF BUFFER @V200899 01340000
CALL DMKPGTVR GO RELEASE IT @V200899 01341000
NI SAVEWRK1,255-PGTVREL ADDRESS RELEASED @VM08692 01342000
CHKRNREL EQU * @V200899 01348000
TM SAVEWRK1,RNSAVREL WORK AREAS TO BE FREED ? @VM08692 01349000
BCR 8,R7 NO - ALL DONE @V200899 01350000
L R1,IOBMISC GET ADDR OF RNIOSAV @V200899 01351000
LA R0,RNWKSIZE LENGTH OF RNIOSAV TO R0 @V200899 01352000
CALL DMKFRET GO FREE IT @V200899 01353000
LR R1,R10 IOBLOK ADDR TO R1 @V200899 01354000
LA R0,IOBSIZE SIZE OF IOBLOK FOR FREE @V200899 01355000
CALL DMKFRET GO FREE IOBLOK @V200899 01356000
L R8,SAVEWRK9 370X REAL DEVICE BLOCK @V200899 01357000
LA R8,0(R8) ZERO HIGH ORDER BYTE @VA12808 01357500
NI RDEVFLAG,255-RDEVRCVY RECOVERY NOT ACTIVE @V200899 01358000
NI SAVEWRK1,255-RNSAVREL ALL CLEANED UP @VM08692 01359000
BR R7 RETURN TO MAIN LINE CODE @V200899 01360000
EJECT 01361000
NLD002 LA R2,2 LOAD ERROR CODE @V200899 01362000
B CALLERM . . . @V200899 01363000
NLD006 EQU * @V200899 01366000
LA R2,6 SET ERROR CODE @V200899 01367000
B NLDRADD GO SETUP FOR DMKERMSG @V200899 01368000
NLD021 EQU * @V200899 01369000
LA R2,21 SET ERROR CODE @V200899 01370000
B NOVAR @V200899 01371000
NLD026 LA R2,26 ERROR CODE @V200899 01372000
B NOVAR @V200899 01373000
NLD040 EQU * @V200899 01374000
BAL R7,CLEANUP UNLOCK, FRET, ETC. @V200899 01375000
LA R2,040(0) MSG= DMKNLD040E @V200899 01376000
NLDRADD EQU * SETUP RADDR PARM FOR DMKERMSG @V200899 01377000
LH R1,SAVEWRK1+2 GET RADDR OF 370X @V200899 01378000
CALL DMKCVTBH CONVERT TO PRINTABLE FORM @V200899 01379000
N R1,X40FFS BLANK HIGH BYTE @V200899 01380000
SLR R0,R0 ZERO LENGTH REGISTER @V200899 01381000
B CALLERM . . . @V200899 01382000
NLD044E EQU * SYSTEM HAS NOT YET BEEN SAVED @VM08697 01383000
BAL R7,CLEANUP RELEASE BUFFER ADDRESS, ETC. @VM08697 01384000
NLD044 EQU * @V200899 01385000
LA R0,8 NAME LENGTH @V200899 01386000
LA R1,SAVEWRK2 ADDRESS OF BAD NAME @V200899 01387000
LA R2,44 ERROR CODE @V200899 01388000
B CALLERM . . . @V200899 01389000
NLD046 EQU * @V200899 01390000
BAL R7,TYPRADD SETUP TYPE, RADDR FOR DMKERM @V200899 01391000
LA R2,046(0) MSG= DMKNLD046E @V200899 01392000
B CALLERM GO PUT OUT ERROR MSG @V200899 01393000
NLD140 EQU * CTLR XXX ATTACHED TO USERID @V200899 01394000
BAL R7,TYPRADD SETUP TYPE, RADDR FOR DMKERM @V200899 01395000
L R2,RDEVUSER ADDRESS OF USER'S VMBLOK @VA01880 01396000
MVC SAVEWRK4+1(8),VMUSER-VMBLOK(R2) USERID @VA01880 01397000
MVI SAVEWRK4,X'00' FIELD DELIMITER FOR DMKERM @VA01880 01398000
LA R0,17 LENGTH OF PARMS TO R0 @V200899 01399000
LA R2,140(0) MSG= DMKNLD140E @VA01880 01400000
B CALLERM GO PUT OUT ERROR MSG @V200899 01401000
NLD143 EQU * CTLR XXX IN USE BY SYSTEM @V200899 01402000
BAL R7,TYPRADD SETUP TYPE, RADDR FOR DMKERM @V200899 01403000
LA R2,143(0) MSG= DMKNLD143E @V200899 01404000
B CALLERM . . . @V200899 01405000
NLD170 EQU * @V200899 01406000
BAL R7,CLEANUP GO RELEASE AND UNLOCK ANY AREAS @V200899 01407000
* THAT WERE GOTTEN BY DMKNLD 01408000
LA R0,8 NAMELENGTH @V200899 01409000
LA R1,SAVEWRK2 NAME ADDRESS @V200899 01410000
LA R2,170 ERROR CODE @V200899 01411000
B CALLERM . . . @V200899 01412000
SPACE 2 01413000
NLD171 EQU * DMKNLD171E VOLID VOLID NOT MOUNTE@V200899 01414000
LA R2,171(0) MSG= DMKNLD171E @V200899 01415000
B NLDSYSV SETUP PARMS FOR DMKERMSG @V200899 01416000
NLD179 EQU * DMKNLD179E VOLID VOLID NOT CP OWN@V200899 01417000
LA R2,179(0) MSG= DMKNLD179E @V200899 01418000
NLDSYSV EQU * BUILD PARMS 'NCPNAME', 'VOLID' @V200899 01419000
MVI SAVEWRK4,X'00' FIELD DELIMITER AFTER 'NCPNAME' @V200899 01420000
MVC SAVEWRK4+1(6),NCPVOL-NCPTBL(R4) MOVE IN VOLID@V200899 01421000
LA R0,15 VARIABLE DATA LENGTH @V200899 01422000
LA R1,SAVEWRK2 ADDRESS OF DATA STRING @V200899 01423000
B CALLERM . . . @V200899 01424000
SPACE 01425000
NLD470 LA R15,470 PAGING I/O ERROR @VM03030 01429000
B NLDMSG ISSUE MESSAGE @V305435 01430000
SPACE 1 01431000
NLD471 LA R15,471 UNRECOVERABLE I/O ERROR @VM03030 01432000
B NLDMSG ISSUE MESSAGE @V305435 01433000
SPACE 1 01434000
NLD460 LA R15,460 PROGRAM CHECK IN BOOTSTRAP @VM03030 01435000
B NLDMSG ISSUE MESSAGE @V305435 01436000
EJECT 01437000
NLDMSG ST R15,SAVER2 SAVE ERROR RETURN CODE FOR CALLER@VM03030 01438000
BAL R7,CLEANUP CLEAN UP AS REQUIRED @VM03030 01439000
XC SAVEWRK2(L'SAVEWRK2*2),SAVEWRK2 AREA FOR MESSAGE@V305435 01440000
L R2,SAVER2 ERROR CODE NEEDED FOR DMKERM @VM03030 01441000
LH R1,SAVEWRK1+2 'RADDR' TO CONVERT @V305435 01442000
CALL DMKCVTBH CONVERT IT TO HEX @V305435 01443000
STCM R1,B'0111',SAVEWRK2 SAVE 'RADDR' IN MESSAGE @V305435 01444000
MVC SAVEWRK3,=C'LOAD' ASSUME LOADING @V305435 01445000
NLDMSGOK LA R1,SAVEWRK2 ADDRESS OF MESSAGE TEXT @V305435 01449000
LA R0,L'SAVEWRK2*2 AND LENGTH OF THE TEXT @V305435 01450000
B CALLERM CALL THE MESSAGE WRITTER @V305435 01451000
EJECT 01452000
NLD464E EQU * CC = 3 DURING LOAD OR DUMP I/O @VM08775 01453000
BAL R7,CLEANUP CLEAN UP AS NECESSARY @VM08775 01454000
LH R1,SAVEWRK1+2 370X DEVICE ADDRESS @VM08775 01455000
CALL DMKCVTBH CONVERT FOR OUTPUT @VM08775 01456000
ICM R1,8,BLANKS HIGH-ORDER BLANK FOR DMKERMSG @VM08775 01457000
SLR R0,R0 DATA IS IN GR1 @VM08775 01458000
LA R2,464(0) MSG= DMKNLD464E @VM08775 01459000
B CALLERM @VM08775 01460000
SPACE 01461000
TYPRADD EQU * BUILD TYPE, RADDR PARMS FOR DMKERMSG @V200820 01462000
MVC SAVEWRK2(4),=C'CTLR' MOVE IN DEVICE NAME @V200820 01463000
LH R1,SAVEWRK1+2 REAL DEVICE ADDRESS @V200820 01464000
CALL DMKCVTBH CONVERT DEVICE ADDR (R8 IS ALL SE@V200820 01465000
ST R1,SAVEWRK3 PUT DEV ADDR IN ERMSG PARM LIST @V200820 01466000
MVI SAVEWRK3,X'00' MOVE IN SEPARATER @V200820 01467000
LA R0,8 LENGTH OF PARMS TO R0 @V200820 01468000
LA R1,SAVEWRK2 ADDRESS OF PARMS TO R1 @V200820 01469000
BR R7 RETURN @V200820 01470000
SPACE 01471000
NOVAR SR R1,R1 ZERO ARG REG @V200899 01472000
CALLERM ICM R0,14,MODID+3 INSERT MODULE ID @V200899 01473000
TM SAVEWRK1,FROMNET ENTER VIA CONSOLE FUNCTION ?@V200820 01474000
BO *+8 YES - O.K. TO SEND AS IS @V200820 01475000
O R2,=X'20000000' SEND MSG TO SYSTEM OPERATOR @V200820 01476000
CALL DMKERMSG CALL MESSAGE MODULE @V200820 01477000
*--------------------------------------------------------------------* 01478000
* MESSAGE MODULE RETURNS DIRECTLY TO CALLER 01479000
*--------------------------------------------------------------------* 01480000
NLDEXIT EQU * @V200899 01481000
SR R2,R2 ZERO RETURN CODE REG @V200899 01482000
NLDERXIT EQU * @V200899 01483000
ST R2,SAVER2 STORE RETURN CODE FOR USER @V200899 01484000
BAL R7,CLEANUP GO RELEASE AND UNLOCK ANY AREAS @V200899 01485000
* THAT WERE OBTAINED BY DMKNLD 01486000
EXIT AND EXIT @V200899 01487000
EJECT 01488000
*---------------------------------------------------------------------* 01489000
* INTERNAL MESSAGES AND RESPONSES GENERATED AND USED BY DMKNLD * 01490000
*---------------------------------------------------------------------* 01491000
SPACE 01492000
COMPMSG DC C'CTLR XXX XXXXXXXX LOAD COMPLETE' @V200820 01495000
CMPMSGLN EQU (*-COMPMSG) @V200820 01496000
COMPRADD EQU 5 RADDR LOCATION IN COMPMSG @V200820 01497000
COMPNCPN EQU 9 NCPNAME LOCATION IN COMPMSG @V200820 01498000
* 01499000
M461SKEL DC C'DMKNLD461R CTLR XXX IPL NOT REQUIRED; ' @V200899 01500000
DC C'ENTER ''YES'' TO CONTINUE: ' @V200899 01501000
M461RLN EQU (*-M461SKEL) LENGTH OF DMKNLD461R MESSAGE @V200899 01502000
M461RADD EQU 16 LOC OF RADDR FIELD IN DMKNLD461R MS@V200899 01503000
SPACE 01504000
NOPCCW DC X'0300000020000001' UTILITY NO-OP CCW @V200899 01505000
EJECT 01506000
LTORG @V200899 01507000
EJECT 01508000
*--------------------------------------------------------------------* 01509000
* THE FOLLOWING DSECT IS USED BY THE 3705 LOAD/DUMP PROGRAMS TO MAP * 01510000
* THE 3705 I/O CCWS AND REGISTER SAVE AREA FOR I/O ROUTINES * 01511000
*--------------------------------------------------------------------* 01512000
SPACE 01513000
RNIOSAV DSECT @V200899 01514000
RNCCWS DS 9D CCW AREA ( 9 DOUBLEWORDS ) @V200899 01515000
OPMREPLY EQU RNCCWS AREA FOR OPERATOR REPLY TO '461R'@V200899 01516000
RNSVREGS DS 10F I/O REG SAVE AREA (REGS 0 - 9) @V200899 01517000
OVFLOSIZ DS 1F SAVE AREA FOR SIZE OF LAST LOAD IMAGE@V200899 01518000
NEXTADDR EQU OVFLOSIZ NEXT ADDR FOR 370X DUMP PROGRAM @V200899 01519000
NEXTLNTH DS 1H SIZE OF NEXT RECORD FOR DUMP @V200899 01520000
DS 1H UNUSED @V200899 01521000
RNWKSIZE EQU (*-RNIOSAV)/8 SIZE IN DOUBLE WORDS @V200899 01522000
SPACE 3 01523000
*--------------------------------------------------------------------* 01524000
* THE FOLLOWING EQUATES ARE USED BY THE 3705 LOAD/DUMP I/O ROUTINES * 01525000
*--------------------------------------------------------------------* 01526000
SPACE 01527000
WIPLOP EQU X'05' WRITE IPL CCW OP CODE @V200899 01528000
WRTBRKOP EQU X'09' WRITE BREAK CCW OP CODE @V200899 01529000
WRITEOP EQU X'01' WRITE CCW OP CODE @V200899 01530000
READOP EQU X'02' READ CCW OP CODE @V200899 01531000
SPACE 01531100
NONE EQU X'00' EQUATE TO INITIALIZE FLAG BYTE @V407508 01531200
EJECT 01532000
COPY CCPARM @V200899 01533000
COPY NCPTBL @V200899 01534000
COPY NETWORK @V200899 01535000
COPY EQU @V200899 01536000
COPY DEVTYPES @V200899 01537000
PSA @V200899 01538000
COPY SAVE @V200899 01539000
COPY VMBLOK @V200899 01540000
COPY RBLOKS @V200899 01541000
EJECT 01542000
COPY VBLOKS @V240820 01543000
COPY IOBLOKS @V306638 01544000
COPY IOER @V200899 01545000
END DMKNLD 01547000