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PDP-10 Archives
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BB-H138E-BM
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6-1-sources/checkd.mac
There are 35 other files named checkd.mac in the archive. Click here to see a list.
; UPD ID= 120, SNARK:<6.1.UTILITIES>CHECKD.MAC.64, 1-May-85 16:45:08 by LEACHE
;MORE OF PREVIOUS
; UPD ID= 114, SNARK:<6.1.UTILITIES>CHECKD.MAC.63, 14-Apr-85 15:59:33 by LEACHE
;TCO 6.1.1321 Add ENABLE BOOT-PARAMETERS
; UPD ID= 92, SNARK:<6.1.UTILITIES>CHECKD.MAC.62, 6-Mar-85 10:10:26 by HAUDEL
;TCO 6.1.1235 - Use Sixbit DONOCA for the DON'T CARE option.
; UPD ID= 78, SNARK:<6.1.UTILITIES>CHECKD.MAC.61, 13-Feb-85 15:33:10 by HAUDEL
;TCO 6.1.1199 - Remove the SET DRIVE SERIAL NUMBER command.
; UPD ID= 70, SNARK:<6.1.UTILITIES>CHECKD.MAC.60, 24-Jan-85 09:27:22 by HAUDEL
;TCO 6.1.1135 - Change an error message.
; UPD ID= 60, SNARK:<6.1.UTILITIES>CHECKD.MAC.59, 18-Dec-84 13:58:34 by TBOYLE
;TCO 6.1.1094 - Fix DISABLE AUTOMATIC-STARTUP At .AUTOS+6.
; UPD ID= 54, SNARK:<6.1.UTILITIES>CHECKD.MAC.58, 4-Dec-84 09:33:49 by TBOYLE
;TCO 6.1.1069 (QAR 706325) Put a space between filename and "is new" &vers 6.1
; UPD ID= 625, SNARK:<6.UTILITIES>CHECKD.MAC.57, 31-Oct-84 15:29:03 by TBOYLE
;More TCO 6.2116 - Ask for decimal serial number
; UPD ID= 603, SNARK:<6.UTILITIES>CHECKD.MAC.56, 7-Oct-84 04:51:26 by TBOYLE
;More TCO 6.2116 - RP20 serial number by channel/kontroller/unit number.
; UPD ID= 602, SNARK:<6.UTILITIES>CHECKD.MAC.55, 6-Oct-84 02:33:06 by TBOYLE
;TCO 6.2237 (QAR 706247) Use SECPAG for BAT pairs. Also fix unit bit mask.
; UPD ID= 595, SNARK:<6.UTILITIES>CHECKD.MAC.54, 17-Sep-84 14:32:26 by PURRETTA
;Up edit level for previous edit.
; UPD ID= 590, SNARK:<6.UTILITIES>CHECKD.MAC.53, 10-Sep-84 14:04:09 by TBOYLE
;Use true sector size 1000 when writing RP20 serial number.
; UPD ID= 558, SNARK:<6.UTILITIES>CHECKD.MAC.52, 2-Jul-84 15:42:28 by TBOYLE
;Channel/Controller/Unit number on input and output now in decimal.
; UPD ID= 557, SNARK:<6.UTILITIES>CHECKD.MAC.51, 2-Jul-84 14:38:40 by TBOYLE
;TCO 6.2115 and 6.2116 - don't care disks and RP20 serial numbers.
; UPD ID= 551, SNARK:<6.UTILITIES>CHECKD.MAC.50, 18-Jun-84 17:04:12 by TBOYLE
;Fix a bug in 6.2067... At BATWRT use TRECPP/SECPAG to normalize
; UPD ID= 549, SNARK:<6.UTILITIES>CHECKD.MAC.49, 12-Jun-84 15:53:51 by TBOYLE
;TCO 6.2067 - Use DOP%PS at BATWRT, HOMIN, and BATIN.
; UPD ID= 402, SNARK:<6.UTILITIES>CHECKD.MAC.48, 14-Dec-83 11:38:34 by TSANG
;TCO 6.1871 Allow wildcard for input filespec.
; UPD ID= 400, SNARK:<6.UTILITIES>CHECKD.MAC.47, 13-Dec-83 16:14:26 by TBOYLE
;More TCO 6.1903 Changed to use TRANSL in HOMEIN, PSCHK, START0..
; UPD ID= 398, SNARK:<6.UTILITIES>CHECKD.MAC.46, 12-Dec-83 14:14:55 by TBOYLE
;TCO 6.1903 and 6.1905 Use real PS: name, and put in DOBE's and <returns>
; UPD ID= 396, SNARK:<6.UTILITIES>CHECKD.MAC.45, 7-Dec-83 14:58:31 by TBOYLE
;TCO 6.1898 Make VERIFY command use GTASTS and fix GETCK2. (5.1 ed. 54)
; UPD ID= 395, SNARK:<6.UTILITIES>CHECKD.MAC.44, 7-Dec-83 13:00:43 by TBOYLE
;TCO 6.1897 Make .BATEX update BAT BLOCKS after VERIFY. (5.1 ed. 76) Now ed. 46
; UPD ID= 394, SNARK:<6.UTILITIES>CHECKD.MAC.43, 6-Dec-83 17:26:10 by TBOYLE
;TCO 6.1895 Fix wrong serial # being loaded in HOM on ENA AUTO. (5.1 ed. 74)
; UPD ID= 393, SNARK:<6.UTILITIES>CHECKD.MAC.42, 6-Dec-83 16:30:36 by TBOYLE
;TCO 6.1894 Allow 14 chars on owner id for created structure. (5.1 Edit 31)
; UPD ID= 392, SNARK:<6.UTILITIES>CHECKD.MAC.41, 6-Dec-83 16:21:10 by TBOYLE
;TCO 6.1893 Be paranoid about directory names (5.1 Edit 32)
; UPD ID= 390, SNARK:<6.UTILITIES>CHECKD.MAC.40, 5-Dec-83 17:07:33 by TBOYLE
;TCO 6.1890 Move new SEEADR routine to development sources.
; UPD ID= 389, SNARK:<6.UTILITIES>CHECKD.MAC.39, 5-Dec-83 13:52:52 by TBOYLE
;More TCO 6.1869 use new MSTR to pick up LPPCYL of TCO 6.1876
; UPD ID= 376, SNARK:<6.UTILITIES>CHECKD.MAC.38, 21-Nov-83 17:43:21 by TBOYLE
;Fix last edit. Make GTASTS different from GTUSTS.
;TCO 6.1869 - Make CHECKD use MSTR% to obtain disk drive info.
; UPD ID= 344, SNARK:<6.UTILITIES>CHECKD.MAC.35, 17-Aug-83 10:06:14 by WEETON
;TCO 6.1776 - Fix arguments to DSKTAB for RA81s.
; UPD ID= 340, SNARK:<6.UTILITIES>CHECKD.MAC.34, 8-Aug-83 09:49:41 by WEETON
;TCO 6.1759 - Increase space for code in CHECKD.
; UPD ID= 336, SNARK:<6.UTILITIES>CHECKD.MAC.33, 2-Aug-83 15:53:02 by WEETON
;Make edit number ^D37
; UPD ID= 335, SNARK:<6.UTILITIES>CHECKD.MAC.32, 2-Aug-83 15:06:40 by WEETON
;TCO 6.1613 - Incorporate D1%INI function of DSKAS JSYS.
; UPD ID= 334, SNARK:<6.UTILITIES>CHECKD.MAC.31, 2-Aug-83 14:18:11 by WEETON
;TCO 6.1590 and 6.1591 - Wait for confirmation before adding APR serial number
;on new structure
; UPD ID= 333, SNARK:<6.UTILITIES>CHECKD.MAC.30, 2-Aug-83 14:06:55 by WEETON
;TCO 6.1582 - Make ADD command include APR serial number, and drive/con/kon no.
; UPD ID= 332, SNARK:<6.UTILITIES>CHECKD.MAC.29, 2-Aug-83 13:55:52 by WEETON
;TCO 6.1584 - Don't trash Multipack structure BAT blocks (supercedes TCO 6.1574
;; and TCO 6.1575)
; UPD ID= 331, SNARK:<6.UTILITIES>CHECKD.MAC.28, 2-Aug-83 13:45:42 by WEETON
;TCO 6.1573 - Can't add pages greater than largest already in BAT BLOCK
; UPD ID= 330, SNARK:<6.UTILITIES>CHECKD.MAC.27, 2-Aug-83 13:43:01 by WEETON
;TCO 6.1572 - Make Edit number decimal
; UPD ID= 327, SNARK:<6.UTILITIES>CHECKD.MAC.26, 28-Jul-83 11:33:42 by WEETON
;TCO 6.1738 - Report correct disk address on multiply assigned page
; UPD ID= 319, SNARK:<6.UTILITIES>CHECKD.MAC.25, 18-Jul-83 14:08:22 by WEETON
;TCO 6.1735 - Make RAxx disk types page mode.
; UPD ID= 239, SNARK:<6.UTILITIES>CHECKD.MAC.24, 23-Mar-83 14:24:34 by WEETON
;Yet more of TCO 6.1547 - Always run in section 1 and make PNTFIL read from
; section 2
; UPD ID= 237, SNARK:<6.UTILITIES>CHECKD.MAC.23, 21-Mar-83 08:59:55 by WEETON
;TCO 6.1548 - Increase lost pages buffer back to V5 size.
; UPD ID= 236, SNARK:<6.UTILITIES>CHECKD.MAC.22, 20-Mar-83 11:50:44 by WEETON
;More of TCO 6.1547 - Make XSIR% work right.
; UPD ID= 235, SNARK:<6.UTILITIES>CHECKD.MAC.21, 18-Mar-83 18:20:08 by WEETON
; UPD ID= 234, SNARK:<6.UTILITIES>CHECKD.MAC.20, 18-Mar-83 17:09:14 by WEETON
;TCO 6.1556 - If disk address is too big when deassigning page, quit.
; UPD ID= 233, SNARK:<6.UTILITIES>CHECKD.MAC.19, 18-Mar-83 16:33:46 by WEETON
;TCO 6.1553 - Write names of "new" files.
; UPD ID= 232, SNARK:<6.UTILITIES>CHECKD.MAC.18, 18-Mar-83 16:16:05 by WEETON
;TCO 6.1555 - Don' allow system to come up under some conditions.
; UPD ID= 231, SNARK:<6.UTILITIES>CHECKD.MAC.17, 18-Mar-83 16:09:42 by WEETON
;TCO 6.1552 - Check for invisible and deleted files when FIXCNTing of pages
; UPD ID= 230, SNARK:<6.UTILITIES>CHECKD.MAC.16, 18-Mar-83 15:58:17 by WEETON
;TCO 6.1550 - Notify users when CHECKD is going to run at system startup
; UPD ID= 225, SNARK:<6.UTILITIES>CHECKD.MAC.15, 15-Mar-83 14:52:42 by COBB
;TCO 6.1545 - Change major/minor version numbers
; UPD ID= 224, SNARK:<6.UTILITIES>CHECKD.MAC.14, 15-Mar-83 13:58:59 by COBB
;More TCO 6.1496 - Use T1, not T2 in HOMEIN:
; UPD ID= 203, SNARK:<6.UTILITIES>CHECKD.MAC.13, 4-Feb-83 05:10:56 by WACHS
;TCO 6.1496 - Add def'ns for RA80, RA81, RA60. Alllow controller 0 - 17
; UPD ID= 170, SNARK:<6.UTILITIES>CHECKD.MAC.12, 17-Nov-82 13:20:41 by LEACHE
;More TCO 6.1247
; UPD ID= 168, SNARK:<6.UTILITIES>CHECKD.MAC.11, 15-Nov-82 10:00:32 by DONAHUE
;TCO 6.1356 - Put ERJMP after first instruction that references FDB
; UPD ID= 163, SNARK:<6.UTILITIES>CHECKD.MAC.10, 26-Oct-82 13:44:25 by WEETON
;TCO 6.1329 - Check for old LOST-PAGES.BIN
; UPD ID= 162, SNARK:<6.UTILITIES>CHECKD.MAC.9, 26-Oct-82 09:37:31 by WEETON
;TCO 6.1328 - Don't default structure names
; UPD ID= 161, SNARK:<6.UTILITIES>CHECKD.MAC.8, 14-Oct-82 11:08:34 by WEETON
;TCO 6.1304 - After unsuccessful dismount of structure,return to CHECKD> prompt
; UPD ID= 160, SNARK:<6.UTILITIES>CHECKD.MAC.7, 14-Oct-82 11:05:17 by WEETON
;TCO 6.1303 - Read various definations from PROLOG
; UPD ID= 159, SNARK:<6.UTILITIES>CHECKD.MAC.6, 14-Oct-82 10:45:53 by WEETON
; UPD ID= 158, SNARK:<6.UTILITIES>CHECKD.MAC.5, 14-Oct-82 10:41:44 by WEETON
; UPD ID= 157, SNARK:<6.UTILITIES>CHECKD.MAC.4, 14-Oct-82 10:36:37 by WEETON
;TCO 6.1301 - Increase size of directory buffer to match larger directories
; UPD ID= 125, SNARK:<6.UTILITIES>CHECKD.MAC.3, 3-Sep-82 11:06:32 by LEACHE
;TCO 6.1247 Add ENABLE PASSWORD ENCRYPTION
; UPD ID= 120, SNARK:<6.UTILITIES>CHECKD.MAC.2, 19-Aug-82 15:24:35 by LEACHE
;TCO 6.1231 - Protect against user files with extension .DIRECTORY
; UPD ID= 84, SNARK:<5.UTILITIES>CHECKD.MAC.13, 24-Feb-82 14:36:12 by PAETZOLD
;TCO 5.1736 - Correct sense of PAGNN and MR%DIR tests in MRKBTB
; UPD ID= 80, SNARK:<5.UTILITIES>CHECKD.MAC.12, 18-Feb-82 17:56:35 by MURPHY
;TCO 5.1732 - Construct numeric string for default number pages in COMND call.
; UPD ID= 78, SNARK:<5.UTILITIES>CHECKD.MAC.11, 1-Feb-82 16:45:42 by PAETZOLD
;TCO 5.1713 - Use ^V's on characters of file name and type in FIXCNT
; UPD ID= 60, SNARK:<5.UTILITIES>CHECKD.MAC.10, 24-Nov-81 10:56:41 by DONAHUE
;TCO 5.1573 - Don't charge directory pages to superior
; UPD ID= 30, SNARK:<5.UTILITIES>CHECKD.MAC.9, 9-Sep-81 15:58:07 by DONAHUE
;TCO 5.1495 - Rewrite Bat block logic to account for lost pages
; UPD ID= 12, SNARK:<5.UTILITIES>CHECKD.MAC.8, 28-Jul-81 15:05:48 by LYONS
; fix some bugs in the last edits
; UPD ID= 11, SNARK:<5.UTILITIES>CHECKD.MAC.7, 27-Jul-81 14:31:13 by LYONS
;TCO 5.1297 - Add error return for SCANDI in QDONE
;ADD MORE OF THE VERIFY CODE (AGAIN) AND TCO 5.1280
; UPD ID= 1543, SNARK:<5.UTILITIES>CHECKD.MAC.5, 9-Feb-81 13:39:51 by LYONS
;ADD MORE OF THE VERIFY CODE
; UPD ID= 992, SNARK:<5.UTILITIES>CHECKD.MAC.4, 5-Sep-80 16:54:05 by LYONS
;GENERAL CLEANUP, ADD SOME CODE TO .VERIFY
; UPD ID= 750, SNARK:<5.UTILITIES>CHECKD.MAC.3, 10-Jul-80 20:42:34 by LYONS
;ADD WRITE VERIFICATION CONTROLS FOR SYSTEM
;ADD ENABLE AND DISABLE COMMANDS
;PUT CPU SERIAL NUMBER INTO HOME BLOCK FOR STRUCTURES WHICH BOOT SYSTEM
; UPD ID= 376, SNARK:<4.1.UTILITIES>CHECKD.MAC.2, 26-Mar-80 14:13:47 by DBELL
;TCO 4.1.1124 - ADD RP20 SUPPORT
;<4.UTILITIES>CHECKD.MAC.29, 11-Oct-79 15:24:06, EDIT BY GRADY
;<4.UTILITIES>CHECKD.MAC.28, 11-Oct-79 14:57:55, EDIT BY GRADY
;TCO 4.2496 - DELETE ALL GENERATIONS OF THE LOST PAGES FILE IN RLSPG2
;<4.UTILITIES>CHECKD.MAC.27, 8-Aug-79 11:33:07, EDIT BY GRANT
;TCO 4.2379 - CHANGE LF TO CRLF TO CLEAN UP SOME OUTPUT FORMATS
;<4.UTILITIES>CHECKD.MAC.26, 17-Apr-79 16:28:55, EDIT BY DBELL
;TCO 4.2232 - AT NXTPR ROUND DOWN BAT BLOCK ENTRIES TO PAGE BOUNDARIES
; SO THAT 3/4 OF THE PAGES WITH A BAD SECTOR WILL NOT BE MISSED.
;<4.UTILITIES>CHECKD.MAC.25, 10-Mar-79 13:39:25, EDIT BY KONEN
;UPDATE COPYRIGHT FOR RELEASE 4
;<4.UTILITIES>CHECKD.MAC.24, 8-Mar-79 13:25:35, EDIT BY R.ACE
;TAKE OUT TAPE-INIT FUNCTIONS
;<4.UTILITIES>CHECKD.MAC.23, 19-Feb-79 11:54:59, Edit by KONEN
;INCREMENT MOUNT COUNT AFTER MOUNTING A STRUCTURE
;<4.UTILITIES>CHECKD.MAC.22, 12-Feb-79 13:12:50, EDIT BY R.ACE
;CHANGE CKMNT TO ACCOMMODATE NEW GALAXY TEXT MESSAGE FORMAT
;<4.UTILITIES>CHECKD.MAC.21, 10-Jan-79 10:32:00, EDIT BY R.ACE
;RELEASE PID IN QUIT CODE
;<4.UTILITIES>CHECKD.MAC.20, 12-Dec-78 10:48:23, EDIT BY DBELL
;TCO 4.2119 - FIX BUG IN RELEASING MORE THAN 12K LOST PAGES
;<4.UTILITIES>CHECKD.MAC.19, 8-Dec-78 14:39:41, EDIT BY DBELL
;TCO 4.2115 - MOVE LOCATION HFLAGS TO PREVENT BAT LOGIC ERRORS
;<4.UTILITIES>CHECKD.MAC.18, 8-Dec-78 11:10:21, EDIT BY DBELL
;TCO 4.2114 - FIX BAT LOGIC AT NXTPR TO USE FULL 27 BIT ADDRESSES
;<4.UTILITIES>CHECKD.MAC.17, 27-Nov-78 10:31:31, Edit by LCAMPBELL
; Add QUIT as a synonym for EXIT
;<4.UTILITIES>CHECKD.MAC.16, 12-Nov-78 13:53:58, EDIT BY R.ACE
;CHANGE VOLID PARSING TO USE ^V INSTEAD OF QUOTED STRINGS
;<4.UTILITIES>CHECKD.MAC.15, 6-Nov-78 07:47:29, EDIT BY R.ACE
;TCO 4.2079 - ADD TAPE-INITIALIZATION FUNCTIONS
;PERFORM GENERAL CLEAN-UP
;<4.UTILITIES>CHECKD.MAC.14, 31-Aug-78 17:16:39, Edit by MCLEAN
;MAKE CYLUN2 HAVE 558 CYLINDERS PER UNIT FOR DIAGNOSTICS
;<4.UTILITIES>CHECKD.MAC.13, 24-Jul-78 07:38:08, EDIT BY MILLER
;CHANGE DEFINITION OF DSKMSK TO INCLUDE DSKNB
;<4.UTILITIES>CHECKD.MAC.12, 19-Jun-78 13:27:15, Edit by MCLEAN
;<1MCLEAN>CHECKD.MAC.6, 6-May-78 23:39:32, Edit by MCLEAN
;ADD RP07
;THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY ONLY BE USED
; OR COPIED IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE.
;
;COPYRIGHT (C) BY DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS. 1976,1985
TITLE CHECKD CHECK/RECONSTRUCT CONSISTENCY OF FILE STRUCTURE
.REQUIRE SYS:MACREL
SEARCH MONSYM,MACSYM,PROLOG
EXTERN .JBSA ;LH/ FIRST FREE LOC IN CHECKD
SALL
.DIRECTIVE FLBLST
;ENTRY VECTOR
PRGCST==0 ;CUSTOMER ID
PRGVER==6 ;VERSION NUMBER
PRGMIN==1 ;MINOR VERSION
PRGEDT==VI%DEC+^D88 ;EDIT NUMBER
ENTVEC: JRST START ;MAIN START
JRST START ;REENTER
BYTE (3)PRGCST (9)PRGVER (6)PRGMIN (18)PRGEDT
JRST REBST ;REBUILD THE BIT TABLE
;CHECKD OPERATES ACCORDING TO HOW IT WAS CALLED:
;
;1. CALLED BY MONITOR JOB 0 (AT SYSTEM STARTUP - MEXEC MODULE)
; ENTRY VECTOR LOCATION 0 - CHECK PS: FILE CONSISTENCY
; ENTRY VECTOR LOCATION 3 - INITIALIZE PS: BITTABLE
;
;2. RUN BY ENABLED WHEEL OR OPERATOR
; ENTRY VECTOR LOCATIONS 0 AND 1 - ACCEPT COMMANDS FROM TTY
; AC'S
F=0
T1=1
T2=2
T3=3
T4=4
Q1=5
Q2=6
Q3=7
P1=10
P2=11
P3=12
S1=13
S2=14
S3=15
CX=16
P=17
;MISCELLANEOUS DEFINITIONS
NWSEC==200 ;WORDS/SECTOR ON THE DISK
PGSIZ==1000 ;PAGE SIZE
PGSFT==11 ;SHIFT FOR CONVERTING ADDRESS TO PAGE
SUMBYT==.TICCA ;SUMMARY BYTE DURING SCANS
;SIZE OF BIT TABLE FILE IF WRITTEN BY PRE-RELEASE-2 MONITOR
OLDTOP=3100 ;SIZE OF TOP HALF OF BIT TABLE
OLDBOT=11300 ;SIZE OF BOTTOM HALF OF BIT TABLE
DEFP4S==^D10000 ;DEFAULT PAGES FOR SWAPPING
DEFPFS==^D950 ;DEFAULT PAGES FOR FRONT END
; Macro to change what section we are currently running in.
; Calling sequence
; SEC SECNUM,ADDR
; Where SECNUM is the section number
; And ADDR is the address in the section
; Defaults:
; SECNUM = 0
; ADDR = PC + 1 (in new section)
DEFINE SEC(SECNUM<0>,ADDR<.+1>),<
XJRSTF [0
SECNUM,,ADDR]
>
;MACRO TO CONVERT SYMBOL TO NUMBER IN STRING
;(SHOULD BE IN MACSYM NOW)
DEFINE FORS. (NUM,ARGS,STRING,%MN1)<
DEFINE %MN1(ARGS)<STRING>
..FORN==NUM
.FORN1(%MN1)>
;INFORMATION ABOUT THE STRUCTURE BEING WORKED ON
BTBTOP: BLOCK 1 ;SIZE OF TOP HALF OF BIT TABLE
BTBBOT: BLOCK 1 ;SIZE OF BOTTOM HALF OF BIT TABLE
BTBPGS: BLOCK 1 ;NUMBER OF PAGES IN BIT TABLE
NSSUN: BLOCK 1 ;NUMBER OF SECTORS IN SWAPPING SPACE
FSSUN: BLOCK 1 ;FIRST SECTOR IN SWAPPING SPACE
NPACKS: BLOCK 1 ;NUMBER OF PACKS IN STRUCTURE
HITRK: BLOCK 1 ;LAST CYLINDER IN STRUCTURE
LOTRK: BLOCK 1 ;FIRST CYLINDER IN STRUCTURE
;INFORMATION ABOUT THE SIZE OF THE STRUCTURE BASED ON THE TYPE OF DISK
;THIS BLOCK IS FILLED IN BY A BLT FROM OTHER TABLES, SO DO NOT CHANGE
;THE ORDER OF THESE WORDS.
SECPAG: BLOCK 1 ;SECTORS PER PAGE
SECCYL: BLOCK 1 ;SECTORS PER CYLINDER
PAGCYL: BLOCK 1 ;PAGES PER CYLINDER
CYLUNT: BLOCK 1 ;CYLINDERS PER UNIT
SECUNT: BLOCK 1 ;SECTORS PER UNIT
BTWCYL: BLOCK 1 ;BIT WORDS IN BIT TABLE PER CYLINDER
LPPCYL: BLOCK 1 ;LOST SECTORS PER CYL
TRECPP: BLOCK 1 ;TRUE SECTORS PER PAGE
TRCUNT: BLOCK 1 ;TRUE SECTORS PER UNIT
; THE ORDER OF THE FOLLOWING WORDS ARE NOT CRITICAL
DRRST: BLOCK 1 ;RETURNED SOFTWARE STATUS
;HOME BLOCKS. EACH NUMBER IS A SECTOR NUMBER RELATIVE TO THE START
;OF A UNIT. EVERY UNIT IN A STRUCTURE HAS THESE BLOCKS ASSIGNED.
HOME:: 0 ;BOOT STRAP FOR THE 11
1 ;HOME BLOCK
2 ;BAT BLOCK
3 ;RESERVED
4 ;RESERVED
5 ;RESERVED
6 ;RESERVED
7 ;RESERVED
10 ;RESERVED
11 ;RESERVED
12 ;SECONDARY HOME BLOCK
13 ;SECONDARY BAT BLOCK
NHOME==:.-HOME
;ERROR BITS RETURNED FROM DSKASA
ER%IDA==1B0 ;ILLEGAL DISK ADDRESS
ER%MDA==1B1 ;MULTIPLY ASSIGNED DISK ADDRESS
ER%BAT==1B2 ;BAD ADDRESS MARKED IN BAT BLOCKS
;FLAG BITS FOR MRKBTB TO KNOW WHAT KIND OF ADDRESS IT HAS
MR%PT==1B0 ;PAGE TABLE
MR%PTT==1B1 ;PAGE TABLE TABLE
MR%SWP==1B2 ;SWAPPING SPACE
MR%SPC==1B3 ;HOME BLOCKS, BAT BLOCKS, ETC.
MR%DIR==1B4 ;THIS IS A DIRECTORY
;MISCELLANEOUS BITS
FILNB==1B3 ;NEW FILE BIT
DSKMSK==-1B15 ;MASK TO SELECT ONLY DISK ADDRESS FIELD
ADRMSK==-1B13 ;MASK FOR COMPLETE STORAGE ADDRESS
ADDERS==<-ADRMSK>-1 ;MASK OF THE ADDRESS BITS
;BAT BLOCK DEFINITIONS
;THE BAT BLOCK IS ONE SECTOR IN LENGTH. IT CONSISTS OF 4 WORDS OF
;HEADER, FOLLOWED BY DATA, TWO WORDS PER ENTRY, INDICATING WHERE THE
;BAD SPOTS ON THE DISK ARE. WORD ^D126 CONTAINS A SPECIAL CODE, AND
;WORD ^D127 CONTAINS THE SECTOR NUMBER OF THE BAT BLOCK
MAXBFR==172 ;MAX FREE SPACE IN A BAT BLOCK
MAXPAR==MAXBFR/2 ;MAX PAIRS IN A BAT BLOCK
MNPAKS==4 ;MAXIMUM NO. OF PACKS IN A STRUCTURE
MAXPR==MAXBFR*MNPAKS ;SIZE OF BAT PAIR ARRAY
BPRBLK: BLOCK MAXPR*2+1 ;BAT PAIRS PLUS THE ORIGINAL WORDS
BATBUF: BLOCK 200 ;BUFFER FOR BAT BLOCK
BATBL1==2 ;SECTOR NO. OF FIRST BAT BLOCK
BATBL2==13 ;SECTOR NO. OF SECOND BAT BLOCK
;DATA PAIRS
DEFSTR BTUNM,0,17,8 ;BIT MASK FOR UNIT 1B17=0,1B16=1,1B15=2..
;SPECIAL WORDS AT END OF BAT BLOCK
CODE=606060 ;THE CODE
BT%FND==1B1 ;FLAG INDICATES BAT BLOCK PAIR KNOWN, BUT NOT
;RECORDED IN THE BAT BLOCKS
BT%MAP==1B2 ;BAT ENTRY MADE BY MAPPER
BT%WBM==1B3 ; WRITTEN BY MONITOR
BT%ANG==1B4 ;ANYONE'S GUESS WHY THIS WAS ADDED
;LOCATIONS WHERE THINGS ARE MAPPED
;0 - 40000 ARE RESERVED FOR THE PROGRAM
FSTPAG==40000 ;FIRST PAGE USED FOR STORAGE
; USED BY CREATE TO BUILD HELP TEXT FOR AVAILABLE UNITS
HBUF=FSTPAG ;HELP BUFFER
NHBUFP==2 ;LENGTH OF HELP BUFFER
; USED BY SCAN, CHECK, REBUILD, AND RECONSTRUCT
;****** PT, PTT AND HBUF ALL OVERLAP ******
PT=HBUF ;WHERE TO MAP THE PAGE TABLE
PTT=PT+1000 ;WHERE TO MAP THE PAGE TABLE TABLE
; USED BY CHECK
LOSBUF=PTT+1000 ;WHERE TO SAVE LOST PAGES
MAXLOS==50000 ;NUMBER OF LOST PAGES THAT CAN BE ACCOUNTED
; USED BY SCAN, CHECK, RECONSTRUCT, REBUILD, AND VERIFY
; VERIFY USES SYSBTB TO KEEP THE BAT PAIRS FROM ITS
; OWN SCAN OF THE DISK.
SYSBTB=LOSBUF+MAXLOS ;PLACE TO MAP THE BIT TABLE
BTBMAX==100000 ;MAX SIZE OF THE BIT TABLE
; USED BY SCAN, CHECK, REBUILD, AND RECONSTRUCT
LOCBTB=SYSBTB+BTBMAX ;LOCAL COPY OF THE BIT TABLE
; VERIFY USES DIRORG AS A SCRATCH AREA TO READ THE DISK INTO
DIRORG=2M ;START OF MAP AREA FOR DIRECTORY,Section 2
NDIRPG==DRMXSZ ;MAX SIZE OF DIR IN PAGES
LSTPPG==LOCBTB+BTBMAX ;END OF PAGE AREA
IF2,<IFL <770000-LSTPPG>,<PRINTX MAPPED PAGE AREA OVERLAPS DDT AREA>>
;JFN'S
BTBJFN: BLOCK 1 ;JFN FOR BIT TABLE FILE
INJFN: BLOCK 1 ;JFN FOR INPUT FILE FOR RELEASE COMMAND
OUTJFN: BLOCK 1 ;JFN FOR OUTPUT FILE FOR LOST-PAGES.BIN
DAJFN: BLOCK 1 ;JFN OF FILE BEING READ BY SCAN COMMAND
FDJFN: BLOCK 1 ;JFN OF DIRECTORY BEING CHECKED
RUNJFN: BLOCK 1 ;JFN OF PROGRAM WE ARE GOING TO RUN
HANDLE: BLOCK 1 ; HANDLE OF FORK WE ARE RUNNING THE PROGRAM IN
;FLAGS - SET ACCORDING TO COMMAND TYPED
BATFLG: BLOCK 1 ;ALLOW BAT BLOCK DELETION AS WELL AS
; INSERTION ON DISK VERIFY PASS
SOFTFL: BLOCK 1 ; 0==> MARK HARD ERRORS OR ECC ERRORS ONLY,
; 1==> MARK SOFT ERRORS AS WELL AS ECC ERRORS
ECCFLG: EXP 1 ; DEFAULT ON ; 0==> MARK ONLY HARD ERRORS
; 1==> MARK ECC ERRORS
REBLDF: BLOCK 1 ;REBUILD BITTAB IF NON-0
CHKFLF: BLOCK 1 ;CHECK FILES IF NON-0, ELSE DIRECTORIES ONLY
ENAFLG: BLOCK 1 ;nonzero for ENABLE, zero for DISABLE
SETFLG: BLOCK 1 ;nonzero for SET, zero for CLEAR
BEMFLG: BLOCK 1 ; set to indicate that the editor was called
; without a verify pass in front of it.
BATTYF: BLOCK 1 ;FLAG THAT HEADERS HAVE BEEN DUMPED DURING
;BAT BLOCK OUTPUT
;COUNTS OF ERRORS FOUND BY BUILD
;ZSTART THRU ZEND ARE ZEROED BY BUILD
ZSTART:
NBAD: BLOCK 1 ;ALL ERRORS
NDE: BLOCK 1 ;BAD PAGE TABLE ADDRESSES IN FDB'S
NPTTE: BLOCK 1 ;BAD PAGE TABLE TABLE ADDRESSES IN FDB'S
NBPT: BLOCK 1 ;FAILURES TO READ PAGE TABLES
NBPTT: BLOCK 1 ;FAILURES TO READ PAGE TABLE TABLES
NBPTE: BLOCK 1 ;BAD ADDRESSES IN PAGE TABLES
NBPTTE: BLOCK 1 ;BAD ADDRESSES IN PAGE TABLE TABLES
NIDA: BLOCK 1 ;ILLEGAL ADDRESSES
NMDA: BLOCK 1 ;MULTIPLY ASSIGNED ADDRESSES
NSDA: BLOCK 1 ;SEARCHED-FOR ADDRESSES FOUND
NDSKER: BLOCK 1 ;DISK READ ERRORS
NNBT: BLOCK 1 ;ADDRESSES NOT IN BIT TABLE
; (BELONGING TO A FILE, BUT NOT ASSIGNED)
NABAT: BLOCK 1 ;ASSIGNED PAGES THAT ARE MARKED AS BAD
ZEND=.-1
;MISCELLANEOUS STORAGE
DIRORA: DIRORG ;POINTER TO BASE OF MAPPED DIR
HFLAGS: BLOCK 1 ;FLAGS FROM HOME BLOCK
LOSTOT: BLOCK 1 ;NUMBER LOST PAGES
NLINB==^D100/5 ;SIZE OF INPUT LINE BUFFER
LINBUF: BLOCK NLINB
PAGNN: BLOCK 1 ;CURRENT OFFSET IN INDEX BLOCK (PAGE NO. IN FILE)
DALIST: BLOCK 1 ;AOBJN POINTER TO DATAB
DASIZ==2000
TMPBUF: ;TEMPORARY STRING BUFFER
DATAB: BLOCK DASIZ ;LIST OF DISK ADDRESSES BEING LOOKED FOR VIA SCAN COMMAND
PDLEN==100
PDL: BLOCK PDLEN ;STACK
DIRNAM: BLOCK 21 ;NAME OF CURRENT DIRECTORY
DIRNUM: BLOCK 1 ;NUMBER OF CURRENT DIRECTORY
STRNAM: BLOCK 10 ;STRUCTURE NAME STRING
PSNAME: BLOCK 10 ;ACTUAL NAME OF PS: (IF ANY)
STRHOM: BLOCK 10 ;STR NAME ACTUALLY IN HOME BLOCK
JOBNO: BLOCK 1 ;NUMBER OF THIS JOB
ZUSED: BLOCK 1 ;NO. PAGES USED BEFORE CHECKD RAN
WRTLPF: BLOCK 1 ;WRITE LOST-PAGES.BIN IF .NE. 0
LPFHED: BLOCK 5 ;HEADER ON LOST-PAGES FILE
SYMTOP: BLOCK 1 ;ADDRESS OF END OF SYMBOL TABLE
STRDEV: BLOCK 1 ;CURRENT STR (DEVICE DESIGNATOR)
OVERHD: BLOCK 1 ;COUNT OF USED PAGES NOT ASSIGNED TO FILES
BATCNT: BLOCK 1 ;COUNT OF BAD PAGES (DECREMENTED WHEN
; THE PAGE IS USED BY A FILE)
BATLST: BLOCK 1 ;LAST BLOCK WE PROCESSED LOOKING FOR BAT BLOCKS
BATMRK: BLOCK 1 ;NUMBER OF BLOCKS MARKED BAD
FSTSEC: BLOCK 1 ;THE FISRT PAGE TO READ WHILE DOING A SCAN
LSTSEC: BLOCK 1 ;THE LAST PAGE WE WILL LOOK AT WHEN DOING A BAT
;BLOCK SCAN + 1
PAGCNT: BLOCK 1 ;COUNT OF FILE PAGES FOR THE CURRENT FILE
TOTPGS: BLOCK 1 ;TOTAL FILE PAGES IN USE
NAMBUF: BLOCK 10 ;BUFFER FOR STR NAME STRINGS
IDZB:! ;BEGIN OF ID ZERO AREA
UNITID: BLOCK 4 ;UNIT ID BUFFER
OWNRID: BLOCK 4 ;OWNER ID BUFFER
IDZZ==.-1 ;END OF ID ZERO AREA
NPG4SW: BLOCK 1 ;NUMBER OF PAGES FOR SWAPPING
NPGFES: BLOCK 1 ;NUMBER OF PAGES FOR FRONT-END
MNTBLK: BLOCK 50 ;STORAGE FOR MOUNTING STRS
HOMARG: BLOCK 4 ;ARG BLOCK FOR MODIFYING HOME BLOCK
RNUBLK: BLOCK .MSRLN ;BLOCK FOR .MSRNU FCN
STRMNT: BLOCK 1 ;DEVICE DESIGNATOR OF MOUNTED STR.
FCNBLK: BLOCK 4 ;FUNCTION BLOCK FOR COMND
SAVREP: BLOCK 1 ;REPARSE PDL POINTER
SAVRET: BLOCK 1 ;REPARSE RETURN ADDRS
OKFLG: BLOCK 1 ;FLAG FOR FNDSTR
PSFLG: BLOCK 1 ;-1 IF THIS IS REALLY PS:
CPUSER: BLOCK 1 ;SERIAL # OF CPU IF BOOTED FROM THIS STRUCTURE
MAXRED: BLOCK 1 ;MAX PAGES TO READ ON A VERIFY READ
THSUNI: BLOCK 1 ;UNIT NUMBER WE ARE WORKING ON
;THE FOLLOWING LOCATIONS ARE USED IN DIRECTORY SCANNING (GTFILE) TO CONVERT
;DIRECTORY NUMBER TO FILE NAME
ROOTDR: BLOCK 20 ;PLACE FOR STR:<ROOT-DIRECTORY>
ROOTPT: BLOCK 1 ;POINTER TO END OF ABOVE STRING
FILNAM: BLOCK 25 ;PLACE FOR STR:<DIRECTORY>SUBDIR.DIRECTORY
DOTPTR: BLOCK 1 ;POINTER TO LAST DOT
BRKPTR: BLOCK 1 ;POINTER TO LEFT BRACKET
;OVERHEAD IS ALL PAGES USED AS FOLLOWS:
; HOME BLOCKS
; SWAPPING SPACE
; PAGE TABLE TABLE
; PAGE TABLE
; MARKED AS BAD AND NOT USED BY ANY OF THE ABOVE OR AS A FILE PAGE
;PAGNN SERVES AS A COUNTER INTO A FILE. IT IS USED IN MRKBTB TO
;TELL WHAT PAGE AN ERROR IS IN.
;IF THE FILE IS LONG, THE PAGE NUMBER IS INCREMENTED ONCE FOR EVERY
;ENTRY IN A PAGE TABLE AND 1000 FOR EVERY ENTRY IN THE PAGE TABLE TABLE
;THAT IS ZERO. THUS WITH A SPARSE FILE, PAGNN HAS THE SAME VALUE AS IF
;IT WERE NOT SPARSE. PAGNN IS -1 WHEN MRKBTB IS CALLED FOR ANY OTHER
;PAGE (PAGE TABLE, SWAPPING SPACE)
;VALUES FOR FILE CURRENTLY BEING SCANNED
;KEEP THESE IN ORDER
DEFVER: BLOCK 1 ;VERSION
DEFNAM: BLOCK 1 ;NAME
DEFEXT: BLOCK 1 ;EXTENSION
BLOCK 4
;INTERRUPT LOCATIONS
RET1: BLOCK 2 ;flags and PC saved here
RET2: BLOCK 2
RET3: BLOCK 2
LEVTAB: RET1 ; [LOCATION WHERE PC STORED BY LEVEL]
RET2
RET3
; [LEVEL,,INTERRUPT ADDRESS]
CHNTAB: XWD 20000,BADINT ;UNKNOWN CHANNEL
XWD 10000,CONTC ;^C
XWD 30000,SUMINT ;^Y
XWD 30000,APUSH ;^P
XX==4
REPEAT ^D36-4,<20000,,DSPINT+XX
XX=XX+1>
DEFINE SAVEQ<
JSP CX,SAVQ>
SAVQ:: PUSH P,Q1 ;SAVE Q1-Q3
PUSH P,Q2
PUSH P,Q3
PUSHJ P,0(CX) ;CONTINUE ROUTINE, EXIT VIA .+1
RESTQ:: SKIPA ;NON-SKIP RETURN
AOS -3(P) ;SKIP RETURN
POP P,Q3
POP P,Q2
POP P,Q1
RET
DEFINE SAVET<
JSP CX,SAVT>
SAVT:: PUSH P,T1 ;SAVE T1-T4
PUSH P,T2
PUSH P,T3
PUSH P,T4
PUSHJ P,0(CX) ;CONTINUE ROUTINE, RETURN VIA .+1
RESTT: SKIPA ;NO-SKIP RETURN
AOS -4(P) ;PASS ALONG SKIP RETURN
POP P,T4
POP P,T3
POP P,T2
POP P,T1
RET
;MACRO TO PRINT AN ERROR MESSAGE AND TRANSFER. IF THE MSG FIELD IS
;SPECIFIED, IT IS PRINTED. IF FILFLG IS NON-BLANK, THE FILE SPEC POINTED
;TO BY DIRNAM, DEFNAM, ETC., IF PRINTED AT THE END OF THE MESSAGE.
;A JSERR IS DONE TO GET THE LAST ERROR. IF AN ADDRESS IS SPECIFIED, A
;JRST TO IT IS GENERERATED. NOTE THAT THIS CODE IS NOT SKIPPABLE.
DEFINE PNTERR (MSG,ADDR,FILFLG)<
IFNB <MSG>,<
HRROI T1,[ASCIZ/
? CHECKD: MSG /]
PSOUT ;PRINT THE MESSAGE IF ANY
IFNB <FILFLG>,<CALL PNTFIL>> ;PRINT THE FILE NAME IF REQUESTED
JSERR ;DO STANDARD JSYS ERROR PRINTING
IFNB <ADDR>,<JRST ADDR> ;JRST TO SPECIFIED ADDRESS IF ANY
>
DEFINE RETERR (MSG)<
JRST [ TMSG <
? CHECKD: MSG
>
RET]
>
;ERROR - MACRO TO PRINT ERROR AND GO TO SPECIFIED LOCATION
;USED IN PARSING CODE WHEN COMND RETURNS CM%NOP
DEFINE ERROR (ADDR,MSG)<
JRST [ HRROI T1,[ASCIZ/ MSG/]
CALL ERRDRV ;;CALL DRIVER ROUTINE
JRST ADDR]>
;BITS+N CONTAINS A WORD WITH A 1 IN BIT N
XX==0
BITS:: REPEAT ^D36,<EXP 1B<XX>
XX=XX+1>
;DIRECTORY RELATED DEFSTR'S
;COPIED FROM PROLOG.MAC
;DIRECTORY HEADER (FOR PAGE 0; FIRST 3 WORDS ARE REPEATED ON
;SUBSEQUENT PAGES)
;FDB DEFINITIONS
DEFSTR FBBK3,.FBBK3,35,36 ;BACKUP WORD 3
DEFSTR FBBK4,.FBBK4,35,36 ;BACKUP WORD 4
;HOME BLOCK DEFINITIONS - COPIED FROM <5.MONITOR>DSKALC.MAC
CODHOM==:707070 ;HOME BLOCK SPECIAL CODE
HBLEN==:200 ;LENGTH OF HOME BLOCK
HM1BLK==:1 ;BLOCK # OF FIRST HOME BLOCK
HM2BLK==:^D10 ;BLOCK # OF SECOND HOME BLOCK
HOMNAM==:0 ;SIXBIT /HOM/
HOMID==:1 ;SIXBIT /ID/
HOMPHY==:2 ;PHYSICAL ADR'S OF HOME BLOCKS
HOMSNM==:3 ;SIXBIT /STRUCTURE NAME/
HOMLUN==:4 ;XWD TOTAL PACKS, LOGICAL PACK #
HOMHOM==:5 ;BLOCK # OF HOME BLK,, BLK # OF OTHER HB
HOMP4S==:6 ;# OF PAGES FOR SWAPPING ON EACH UNIT
HOMFST==:7 ;FIRST SWAPPING TRACK ON EACH UNIT
HOMRXB==:10 ;ADR OF INDEX BLOCK OF ROOT DIRECTORY
HOMBXB==:11 ;INDEX BLOCK ADR OF BACKUP FILE
HOMFLG==:12 ;FLAGS
HOMSIZ==:13 ;SIZE OF A UNIT IN SECTORS (BLOCKS)
HOMBTB==:14 ;SIZE OF TOP HALF OF BIT TABLE (NUMBER OF TRACKS)
HOMMID==:15 ;MEDIA IDENTIFICATION (UNIQUE)
HOMDCF==:16 ;DON'T CARE DISK FLAG (FILE SYSTEM PROTECTION
;FOR FILE STRUCTURE IGNORED)
HOMBTF==17 ;BOOT PARAMETER FLAGS
HOMFE0==:61 ;FE FILE SYSTEM WORD ONE (SECTOR #)
HOMFE1==:62 ;FE FILE SYSTEM WORD TWO (# OF SECTORS)
HOMFE2==:101 ;BOOTSTRAP.BIN WORD 1 (SECTOR #)
HOMFE3==:102 ;BOOTSTRAP.BIN WORD 2 (# OF SECTOR)
HOMSER==:164 ;SERIAL # OF CPU THAT BOOTS FROM THIS STRUCTURE
HOMUID==:165 ;UNIT ID
HOMOID==:170 ;OWNER ID
HOMFSN==:173 ;FILE SYSTEM TYPE
HOMCOD==:176 ;0 ,, CODHOM
HOMSLF==:177 ;THIS HOME BLOCK #
;DATA AND MACROS FOR COMMAND PARSER (USES COMND JSYS)
;TB - MACRO TO SET UP COMMAND TABLE
DEFINE TB (DAT,TXT,CONBTS<0>)<
IFE CONBTS,<XWD [ASCIZ /TXT/],DAT>
IFN CONBTS,<XWD [CONBTS!CM%FW
ASCIZ /TXT/],DAT>
>
DEFINE TF (DAT,TXT)<
[ASCIZ/TXT/],,[DAT]
>
;ADDRESSES FOR HANDLING EACH COMMAND
CMDTAB: CMDSIZ,,CMDMAX ;NUMBER COMMANDS, MAXIMUM NUMBER
TB (.CHECK,CHECK) ;CHECK (BITTABLE/DIRECTORY)
TB (.CREAT,CREATE) ;CREATE NEW FILE SYSTEM
TB (.DSABL,DISABLE) ;DISABLE AUTOMATIC STARTUP
TB (.EDIT,EDIT) ; THE BAT BLOCKS
TB (.ENABL,ENABLE) ;ENABLE AUTOMATIC STARTUP
TB (.EXIT,EXIT) ;EXIT FROM CHECKD TO MONITOR
TB (.FILDT,FILE-DDT) ;PUSH TO THE FILE DDT PROGRAM
TB (.HELP,HELP) ;PRINT HELP TEXT
TB (.PUSH,PUSH) ;PUSH TO A NEW EXEC
TB (.REBLD,REBUILD) ;REBUILD BIT TABLE
TB (.RECNS,RECONSTRUCT) ;RECONSTRUCT ROOT-DIRECTORY
TB (.RLEAS,RELEASE) ;RELEASE LOST PAGES
TB (.SCAN,SCAN) ;SCAN FILE FOR PAGE NUMBERS
TB (.SHOW,SHOW) ;SHOW COMMAND
TB (.STATU,STATUS) ;TYPE THE SETTINGS OF THE KNOWN SWITCHES
TB (.VERIF,VERIFY) ;VERIFY DISK FOR ERRORS
CMDSIZ==.-CMDTAB-1
CMDMAX==CMDSIZ ;MAXIMUM NUMBER OF COMMANDS
NCHPW==5 ;NUMBER OF CHARACTERS PER WORD
PROMPT: ASCIZ /CHECKD>/ ;PROMPT
CMDBLK: BLOCK .CMGJB+5 ;COMMAND STATE BLOCK (LEAVE ROOM FOR GROWTH)
GJFSIZ==.GJBFP+2
GTJBLK: BLOCK GJFSIZ ;GTJFN BLOCK (USED BY COMND)
BUFSIZ==150
BUFFER: BLOCK BUFSIZ ;BUFFER USER TYPES COMMAND INTO
ATMSIZ==BUFSIZ
ATMBUF: BLOCK ATMSIZ ;BUFFER THAT COMND STORES LAST FIELD INTO
DEFSTR (CMFNC,.CMFNP,8,9) ;FUNCTION CODE
DEFSTR (CMFFL,.CMFNP,17,9) ;FUNCTION FLAGS
DEFSTR (CMLST,.CMFNP,35,18) ;LIST POINTER TO NEXT FUNCTION BLOCK
DEFSTR (CMDAT,.CMDAT,35,36) ;FUNCTION SPECIFIC DATA
DEFSTR (CMHLP,.CMHLP,35,36) ;POINTER TO HELP TEXT STRING
DEFSTR (CMDEF,.CMDEF,35,36) ;POINTER TO DEFAULT STRING
;CONFIRMATION OR COMMA
FDCC: FLDDB.(.CMCMA,,,,,FDCO)
FDCO: FLDDB.(.CMCFM)
;GTJFN BLOCK FOR LOST-PAGES.BIN (RELEASE COMMAND)
RLSGTJ: GJ%OLD!GJ%PHY ;OLD FILE ONLY
.PRIIN,,.PRIOU ;INPUT/OUTPUT JFN
-1,,STRNAM ;DEFAULT STRUCTURE
0 ;NO DEFAULT DIRECTORY
-1,,DIRNAM ;DEFAULT FILENAME
-1,,[ASCIZ/BIN/] ;DEFAULT EXTENSION
0 ;NO DEFAULT PROTECTION
0 ;NO DEFAULT ACCOUNT NUMBER
0 ;NO JFN SPECIFIED
;FORMAT OF LOST-PAGES.BIN FILE
.LPFLG==0 ;FLAG WORD
.LPMJK==<252525,,'LPF'> ;MAJIK CONSTANT IN FLAG WORD
.LPTAD==1 ;DATE-TIME STAMP
.LPSTR==2 ;ASCIZ STR NAME
.LPCNT==4 ;NUMBER OF ENTRIES
.LPDTA==5 ;BEGINNING OF DATA
;ALL COMMANDS RETURN HERE TO RE-START CHECKD AND DISMOUNT
; ANY PREVIOUSLY MOUNTED STRUCTURE.
RESTRT: SKIPN JOBNO ;ARE WE JOB 0
JRST QUIT ;YES - JUST EXIT
CALL DISMNT ;DISMOUNT IF NECESSARY
CALL RESET ;RESET STORAGE
MOVEI T1,.TICCP
DTI
MOVEI T1,SUMBYT ;TURN OFF PSI CHANNELS
DTI
MOVEI T1,.TICCC ;FOR ^C
DTI
TMSG <
>
JRST START ;GO RESTART PROGRAM
;SPECIAL ENTRY IF REBUILDING BIT TABLE AUTOMATICALLY
REBST: SETOM REBLDF ;INDICATE REBUILD REQUESTED
JRST START0 ;COMMON ENTRY
;NORMAL ENTRY
START: HLRZ T1,.JBSA ;GET ADDR OF 1ST LOCATION AFTER CHECKD
CAIL T1,FSTPAG ;OVERLAPPING?
JRST [ TMSG <?CHECKD program overlaps FSTPAG> ;YES
HALTF]
;IF YOU GET THE ABOVE MESSAGE, YOU HAVE A LOT OF WORK TO DO
SETZM REBLDF ;DEFAULT IS NO REBUILD BITTAB
;To get more space, the directory's have been mapped into section 2,
;and Sections 0 and 1 are mapped together. Also, a macro (SEC)
;has been added to make it easy to change what section we are running in.
START0:
MOVE T1,[.FHSLF,,0] ;source is section 0
MOVE T2,[.FHSLF,,1] ;destination is section 1
MOVE T3,[SM%RD+SM%WR+SM%EX+SM%IND+1] ;map same as section 0,, one section only
SMAP% ;map a new section
ERJMP [JSERR ;error, write message
HALTF ;stop
JRST .-1] ;no CONTINUEing
SETZM T1 ;new section
MOVE T2,[.FHSLF,,2] ;section 2
MOVE T3,[SM%RD+SM%WR+1] ;read/write access to new section
SMAP% ;map a new section
ERJMP [JSERR ;error, write message
HALTF ;stop
JRST .-1] ;no CONTINUEing
SEC 1 ;enter section 1 for all time
MOVE P,[IOWD PDLEN,PDL]
MOVE T1,[ASCII "PS"] ;SET STRNAM TO PS: IN CASE THIS IS JOB 0
MOVEM T1,STRNAM
CALL TRANSL ;BUT FIRST, GET THE REAL PS: NAME, IF ANY.
HRROI T1,PSNAME
HRROI T2,STRNAM
MOVEI T3,0
SOUT ;COPY TO PSNAME FOR FUTURE REFERENCE
CALL RESET
SETOM CHKFLF ;DEFAULT IS CHECK FILES
SETZM DIRNUM ;INITIALIZE DIRECTORY NUMBER
SETZM BATLST ;INITIALIZE BAT BLOCK COUNTER
SETZM TOTPGS ;INITIALIZE TOTAL FILE PAGES
SETZM ZUSED ;CLEAR INFO ABOUT STG
SETOM WRTLPF ;DEFAULT IS WRITE LOST PAGES FILE
SETZM STRMNT ;NO STRUCTURE MOUNTED YET
SETZM BEMFLG ;DEFAULT IS DO VERIFY FIRST
GJINF
MOVEM T3,JOBNO
MOVEI T1,.FHSLF
RPCAP
SKIPE JOBNO ;SKIP IF JOB 0
JRST STRT1
MOVX T3,SC%WHL!SC%OPR ;ENABLE CAPS
EPCAP
JRST STRT2
STRT1: TXNN T3,SC%WHL!SC%OPR ;CHECK ENABLED CAPS
JRST [ TMSG <?WHEEL or OPERATOR capability required
>
JRST QUIT]
TXNN T2,SC%CTC ;CHECK FOR ^C CAP
JRST [ TMSG <? ^C capability not enabled
>
HALTF
JRST START] ;MAKE CONTINUE RESTART
MOVX T3,SC%CTC!SC%WHL!SC%OPR
EPCAP ;ENABLE ^C CAP ALSO
STRT2: SETZM DALIST ; NO DISC ADDRESS LIST
MOVEI T1,.FHSLF ;T1/FORK HANDLE
CIS ;CLEAR THE INTERRUPT SYSTEM
EIR ;ENABLE INTERRUPTS
MOVEI T2,[3
1,,LEVTAB
1,,CHNTAB] ;DECLARE LEVTAB AND CHNTAB
XSIR%
SETO T2, ;DISABLE ALL CHANNELS
DIC ;DEACTIVATE ALL CHANNELS
MOVX T2,1B1+1B2+1B3 ;T2/CHANNEL NUMBERS
AIC ;ACTIVATE CHANNELS FOR TERM INTS
MOVE T1,[XWD .TICCP,3] ;^P ON CHAN 3
ATI
MOVE T1,[XWD SUMBYT,2] ;CONTROL-Y ON CHANNEL 2 FOR STATUS REPORT
ATI ;ASSIGN ^Y TO CHANNEL 2
SKIPN JOBNO ;IF JOB 0,
JRST DOJOB0 ; DO SPECIAL ROUTINE
MOVE T1,[XWD .TICCC,1] ;ASSIGN ^C TO CHANNEL 1
ATI
CALL PARSEI ; CALL COMMON ROUTINE TO DO WORK
PARSE1: MOVE P,[IOWD PDLEN,PDL] ;RESET STACK
HRROI T1,PROMPT ;POINTER TO PROMPT STRING
CALL CMDINI ;INIT COMND (SETUP REPARSE)
MOVE T1,[CZ%NCL+.FHSLF]
CLZFF ;RELEASE ALL JFNS
MOVEI T1,[FLDDB.(.CMKEY,,CMDTAB)] ;T1/ADDRESS OF FDB
CALL COMNDX ;LOOK FOR A KEYWORD
ERROR PARSE1,<Not a CHECKD command> ;NO. START OVER
HRRZ T1,(T2) ;YES. GO PROCESS IT
JRST (T1)
;HERE TO SET UP THE PARSE STATE BLOCK
PARSEI: MOVEI T2,CMDBLK ;POINT TO START OF COMMAND STATE BLOCK
MOVE T1,[.PRIIN,,.PRIOU] ;JFN'S FOR USER INPUT AND OUTPUT
MOVEM T1,.CMIOJ(T2)
HRROI T1,BUFFER ;POINTER TO START OF USER INPUT
MOVEM T1,.CMBFP(T2)
MOVEM T1,.CMPTR(T2) ;POINTER TO NEXT FIELD
MOVEI T1,BUFSIZ*NCHPW ;SPACE REMAINING IN BUFFER
MOVEM T1,.CMCNT(T2)
SETZM .CMINC(T2) ;NUMBER OF UNPARSED CHARACTERS
HRROI T1,ATMBUF ;POINTER TO ATOM BUFFER
MOVEM T1,.CMABP(T2)
MOVEI T1,ATMSIZ*NCHPW ;NUMBER CHARACTERS IN ATOM BUFFER
MOVEM T1,.CMABC(T2)
MOVEI T1,GTJBLK ;ADDRESS OF GTJFN BLOCK
MOVEM T1,.CMGJB(T2)
RET
;SPECIAL JOB 0 ENTRY POINT TO CALL ROUTINES NECESSARY
;ACCORDING TO AUTOMATIC STARTUP
DOJOB0:
MOVEI T1,.PRIOU ;WAIT FOR OUTPUT TO END.
DOBE
SETOM T1 ;to everyone
HRROI T2,[ASCIZ/ Checking system structure.
/] ;message
TTMSG ;send message
ERJMP .+1 ;don't care about errors.
SETOM PSFLG ;SAY REALLY DOING PS:
CALL SETSTR ;SET UP DEVICE DESIGNATOR
CALL CLRCDE ;CLEAR MONITOR FLAGS
;BEFORE STARTING
SETOM WRTLPF ;TURN ON LOST PAGES FILE
SKIPE REBLDF ;REBUILDING?
CALL BTBINI ;YES - INIT BITTABLE
CALL QDONE ;SCAN DIRECTORIES
MOVX T1,.SFCDE ;SETUP IN CASE OF ERRORS
MOVEI T2,1
SKIPN WRTLPF ;WAS THIS TURNED OFF?
SMON ;YES - SET FLAG THEN
SETOM T1 ;to everyone
HRROI T2,[ASCIZ/ Check of system structure completed.
/] ;message
TTMSG ;send it
ERJMP .+1 ;don't care about errors
MOVEI T1,.PRIOU
DOBE ;WAIT FOR OUTPUT TO END.
JRST QUIT ;THROUGH - EXIT
;ROUTINE TO CLEAR SF%CDE AND SF%BTE FLAGS
CLRCDE: MOVX T1,.SFCDE ;FLAG TO CLEAR
MOVEI T2,0
SMON ;CLEAR IT
MOVX T1,.SFBTE ;OTHER FLAG
SMON
RET ;DONE - RETURN
;DRIVER FOR "ERROR" MACRO - T1/ POINTER TO ASCIZ ERROR MESSAGE
ERRDRV: ESOUT ;OUTPUT ERROR STRING TO TTY
CALL CRLF ;OUTPUT CRLF
MOVE T1,[CZ%NCL+.FHSLF] ;DUMP ALL CLOSED JFN'S
CLZFF
RET
;ROUTINE TO OUTPUT # SPACES IN T3
SPACN: MOVEI T2,40 ;SPACE
IDPB T2,T1
SOJG T3,.-1
RET
;ROUTINE TO SETUP MOUNTED STRUCTURE DEVICE DESIGNATOR
;USES MNTBLK TO GET CORRECT STRING
SETMNT: SKIPN T1,MNTBLK+.MSTAL ;ALIAS IF PRESENT
MOVE T1,MNTBLK+.MSTNM ;ELSE USE NAME STRING
STDEV ;GET DEVICE DESIGNATOR
JSHLT ;CANT HAPPEND (WE JUST MOUNTED IT)
MOVEM T2,STRMNT ;SAVE IT
MOVE T2,MNTBLK+.MSTNM ;SAVE ACTUAL STR NAME
HRROI T1,STRHOM
MOVEI T3,0
SOUT
TMSG <
[>
MOVE T1,MNTBLK+.MSTNM ;ACTUAL NAME
PSOUT
TMSG <: Mounted>
SKIPN MNTBLK+.MSTAL ;SEE IF ALIAS
JRST STMNT1 ;NO - CONTINUE
TMSG < as >
MOVE T1,MNTBLK+.MSTAL
PSOUT ;PRINT IT
MOVEI T1,":"
PBOUT
HRROI T1,STRNAM ;COPY TO STRNAM
MOVE T2,MNTBLK+.MSTAL ; THE ACTUAL STR NAME NOW
MOVEI T3,0 ; IN USE BY THE SYSTEM
SOUT
STMNT1: TMSG <]
>
RET
;ROUTINE TO DISMOUNT ANY STRUCTURE MOUNTED BY CHECKD
DISMNT: SKIPN T2,STRMNT ;DEVICE DESIGNATOR OF STR MNTED
RET ;NONE - RETURN
MOVEM T2,MNTBLK ;SAVE FOR MSTR
SETZM STRMNT ;SAY NO LONGER MOUNTED
TMSG <
[Dismounting structure - >
HRROI T1,STRHOM ;PUBLISH NAME
PSOUT
TMSG <:]
>
DISMN1: MOVE T1,[1,,.MSDIS] ;FUNCTION TO DISMOUNT STR
MOVEI T2,MNTBLK ;ADDRS OF ARGS
MSTR ;DO FUNCTION
ERJMPR [CAIN T1,MSTX43 ;error code in T1, can't dismount while INIing
JRST DISMN2 ;yes, go cancel the initialization
JSERR ;write out why we failed
JRST START0] ;return to startup code
RET ;RETURN (DONE)
;Here to attempt to abort initialization of BITTABLE
DISMN2: MOVX T1,DA%AIN ;set abort bit
MOVE T2,STRDEV ;get structure's device designator
DSKAS ;abort initialization
ERJMP [JSERR ;why
JRST .+1] ;continue
JRST DISMN1 ;try to dismount again.
;SETSTR - ROUTINE TO SET UP WORKING STRUCTURE INFO
;STSTRN - AS ABOVE, WITHOUT DISPLAY OF STSRUCTURE NAME
STSTRN: SETZM T3
SKIPA
SETSTR: SETOM T3
STKVAR <TYPSTR>
MOVEM T3,TYPSTR ;SAVE ENTRY TYPE
SKIPE T2,STRMNT ;MOUNTED A STR?
JRST STSTR1 ;YES - ALREADY HAVE DEVICE DESIG
HRROI T1,STRHOM ;COPY NAME FOR LATER INFO
HRROI T2,STRNAM
MOVEI T3,0
SOUT ;...
HRROI T1,STRNAM ;NO - GET STRING TYPED
STDEV ;CONVERT TO DEVICE DESIGNATOR
JRST [ JSERR ;REPORT ERROR
JRST RESTRT]
STSTR1: MOVEM T2,STRDEV ;SAVE
SKIPN TYPSTR ;WANT STR NAME TYPED?
JRST AFTTYP ;NO
TMSG <
[Working on structure - >
HRROI T1,STRHOM ;PRINT STR NAME
PSOUT
TMSG <:]
>
AFTTYP: SKIPE ZUSED ;CHECK IF HERE YET
RET ;YES - RETURN
MOVE T1,STRDEV ;GET DEVICE DESIGNATOR
GDSKC ;GET DISK SPACE
MOVEM T1,ZUSED
RET ;RETURN
;GDNAM - ROUTINE TO WRITE CURRENT DIRECTORY NAME INTO DIRNAM
;RETURNS +1: FAILURE,
; T1/ERROR CODE
; +2: SUCCESS
;WRITES STRUCTURE:<DIRECTORY> IN DIRNAM
;REQUIRES DIRNUM TO HAVE THE 36-BIT DIRECTORY NUMBER
GDNAM: HRROI T1,DIRNAM ;GET THE NAME OF THIS DIRECTORY
MOVE T2,DIRNUM ;T2/ DIRECTORY NUMBER
DIRST ;WRITE ITS NAME
RET ;FAILED. RETURN FAILURE
RETSKP ;SUCCEEDED
;FRSDIR - GET FIRST DIRECTORY ON THE STRUCTURE
; CALL FRSDIR
;RETURNS +1: FAILURE
; +2: SUCCESS
;RETURNS WITH DIRNUM SET UP
FRSDIR: HRROI T2,[ASCIZ/<*>/] ;ASK FOR ALL DIRECTORIES
CALL ADDSTR ;ADD STRUCTURE STRING
MOVX T1,RC%AWL!RC%EMO ;T1/ ALLOW WILD CARD, NO RECOGNITION
RCDIR ;GET FIRST DIRECTORY NUMBER
ERJMP [ PNTERR(<Unable to reference directory files>)
JSERR
RET]
TXNE T1,RC%AMB!RC%NOM!RC%NMD ;ANY ERRORS?
JRST [ PNTERR(<Unable to reference directory files>)
RET]
MOVEM T3,DIRNUM ;NO. SAVE DIRECTORY NUMBER
RETSKP
;NXTDIR - GET NEXT DIRECTORY
; CALL NXTDIR
;RETURNS +1: FAILURE OR DONE
; +2: SUCCESS
;RETURNS WITH DIRNUM SET UP
NXTDIR: MOVX T1,RC%EMO!RC%AWL!RC%STP ;T1/ NO RECOGNITION, ALLOW WILD CARDS, STEP
HRROI T2,ATMBUF ;POINT TO STR:<*>
MOVE T3,DIRNUM ;T3/ DIRECTORY WE GOT BEFORE
RCDIR ;GET THE NEXT DIRECTORY
ERJMP [ PNTERR(<Failed to get next directory>)
SETZ T1, ;CLEAR FLAGS FOR ERROR
SETZM DIRNUM
RET]
TXNE T1,RC%NOM!RC%AMB ;DID WE GET A STRANGE ERROR?
JRST [ PNTERR(<Failed to get next directory>)
SETZM DIRNUM
RET]
TXNE T1,RC%NMD ;NO MORE DIRECTORIES?
JRST [ SETZM DIRNUM
RET]
MOVEM T3,DIRNUM ;NO. SAVE DIRECTORY NUMBER
RETSKP
;CKDIR - ROUTINE TO DO DIRECTORY CONSISTENCY CHECK AND REBUILD
;IF THERE ARE ANY ERRORS
; DIRECTORY NUMBER IS IN "DIRNUM"
CKDIR: MOVE T2,DIRNUM ;GET DIRECTORY NUMBER
MOVX T1,DD%CHK ;CHECK ONLY
DELDF
ERJMP CKDIR1 ;ERROR - INFORM WORLD
RET ;OK - RETURN
CKDIR1: TMSG <% Rebuilding symbol table for >
HRROI T1,DIRNAM ;PRINT NAME
PSOUT
MOVE T2,DIRNUM ;GET NUMBER AGAIN
MOVX T1,DD%RST ;REBUILD FCN
DELDF ;TRY IT
ERJMP CKDIR2 ;CAN'T REBUILD
TMSG < [OK]
>
RET ;SAY OK AND RETURN
CKDIR2: TMSG < [FAILED]
>
RET ;RETURN
;ROUTINE TO GET CONNECTED STRUCTURE STRING INTO STRNAM
GETCON: GJINF ;GET CONNECTED STR ID
HLRZS T2 ;STRUCTURE UNIQUE CODE
HRLI T2,.DVDES ;MAKE INTO DEVICE DESIGNATOR
HRROI T1,STRNAM
DEVST ;CONVERT TO STRING
JRST GETCN1 ;NOT CONNECTED - FIX
RET ;RETURN
GETCN1: SETO T1, ;SAY THIS JOB
HRROI T2,T4 ;ONE WORD INTO T4
MOVX T3,.JILNO ;LOGGED IN DIR #
GETJI
JSHLT
MOVEM T4,FCNBLK ;SAVE IT
SETZM FCNBLK+1 ;NO PASSWORD
SETOM FCNBLK+2 ;THIS JOB
MOVE T1,[AC%CON+3]
MOVEI T2,FCNBLK ;ADDRS OF ARGS
ACCES ;CONNECT TO LOGGED IN DIR
ERJMP [JSHLT]
JRST GETCON ;LOOP BACK AND TRY AGAIN
;ROUTINE TO TRANSLATE STRNAM FROM PS: TO ITS REAL NAME, IF ANY.
TRANSL: HRROI T1,STRNAM
STDEV ;GET INTERNAL REPRESENTATION
ERJMP R ;IF FAIL, RETURN, ITS NOT EVEN MOUNTED
HRROI T1,STRNAM ;PUT IT HERE, PAL.
DEVST ;GET THE REAL NAME
ERJMP JSERR0 ;ERROR, REPORT, AND RETURN
RET
;ROUTINE TO DO CONFIRMATION AND GET STRUCTURE NAME STRING
FCNFRM: HRROI T1,[ASCIZ /FOR/]
CALL CMDNOI ;XTRA GUIDE WORD
CONFRM: SETZM T1 ;no default for structure name
CALL CMDSTR ;GET STRUCTURE STRING
HRROI T1,STRNAM ;PLACE TO STORE STRUCTURE NAME
HRROI T2,ATMBUF ;COPY STRING TYPED BY USER
MOVEI T3,0
SOUT ;SLOW
CALL CMDEOL ;PARSE TO EOL
JRST PARSE1 ;ERROR
RET
;ROUTINES TO PARSE STRUCTURE NAME STRING (DEFALUT IN T1)
;ENTRY: PRSSTR PARSE EXISTING STRUCTURE
; CMDSTR PARSE NON-EXISTENT STRUCTURE
PRSSTR: MOVX T2,<FLD(.CMDEV,CM%FNC)+<CM%SDH!CM%HPP!CM%DPP>>
SKIPA
CMDSTR: MOVX T2,<FLD(.CMFLD,CM%FNC)+<CM%SDH!CM%HPP!CM%DPP>>
MOVEM T1,FCNBLK+.CMDEF ;SAVE DEFAULT
MOVEM T2,FCNBLK ;SETUP FUNCTION
HRROI T1,[ASCIZ "STRUCTURE NAME"]
MOVEM T1,FCNBLK+.CMHLP ;SETUP HELP TEXT
SETZM FCNBLK+.CMDAT ;NO XTRA DATA
MOVEI T1,FCNBLK ;FUNCTION BLOCK
CALL COMNDX
ERROR PARSE1,<Invalid structure name>
SKIPN CMDBLK+.CMINC ;ANY REMAINING CHARACTERS?
RET ;NO - OK RETURN
MOVE T3,CMDBLK+.CMPTR ;YES - GET POINTER
ILDB T2,T3 ;GET NEXT CHARACTER
CAIE T2,":" ;SEE IF A COLON?
RET ;NO - OK RETURN
MOVEM T3,CMDBLK+.CMPTR ;SKIP OVER CHARACTER
SOS CMDBLK+.CMINC
RET ;AND RETURN
;ROUTINE TO GET STRUCTURE NAME
GETSTR: SETZM T1 ;No default
CALL PRSSTR ;Get the structure
HRROI T1,STRNAM ;PLACE TO STORE STRUCTURE NAME
HRROI T2,ATMBUF ;COPY STRING TYPED BY USER
MOVEI T3,0
SOUT ;
RET
;GENERAL COMND UTILITIES
;SET UP AND EXECUTE COMND JSYS
; T1/ ADDRESS OF FUNCTION DESCRIPTOR BLOCK
;RETURNS +1: PARSE FAILED (ITRAP OR CM%NOP SET)
; +2: PARSE SUCCEEDED, T1,T2,T3 AS RETURNED BY COMND JSYS
COMNDX: MOVE T2,T1 ;MOVE FDB ADDRESS TO T2
MOVEI T1,CMDBLK ;GET COMND STATE BLOCK ADDR IN T1
COMND ;THE ONLY COMND JSYS IN CHECKD
ERJMP R
TXNE T1,CM%NOP ;PARSE OK?
RET ;NO
RETSKP ;YES
; COMNDE - PRINT ERROR MESSAGE FOR COMND
; T2/ ERROR CODE (RETURNED BY COMND)
; RETURNS +1: ALWAYS
COMNDE: HRROI T1,[ASCIZ/ /]
ESOUT ;SET UP BEGINNING OF ERROR MESSAGE
MOVEI T1,.PRIOU
HRLI T2,.FHSLF
SETZ T3,
ERSTR ;PRINT ERROR MESSAGE
JFCL
JFCL
CRLF: TMSG <
>
RET
;INIT COMND AND SETUP REPARSE TO BE THE RETURN ADDRS
;OF THE CALLER. C(T1) := POINTER TO PROMPT STRING
CMDINI: MOVEM T1,CMDBLK+.CMRTY ;SETUP PROMPT
POP P,SAVRET ; AND RETURN ADDRS
MOVEM P,SAVREP ;SAVE PDL FOR REPARSE
MOVEI T1,REPARS ;SETUP REPARSE ADDRS
MOVEM T1,CMDBLK+.CMFLG
MOVEI T1,[FLDDB.(.CMINI)] ;INIT FUNCTION
CALL COMNDX
JFCL
JRST @SAVRET ;RETURN
REPARS: MOVE P,SAVREP ;RESET PDL
JRST @SAVRET ; RETURN TO CALLER OF CMDINI
;NOISE PARSE ROUTINE
; C(T1) := GUIDE WORD STRING
CMDNOI: MOVEM T1,FCNBLK+.CMDAT ;SAVE TEXT STRING
MOVX T1,<FLD(.CMNOI,CM%FNC)>
MOVEM T1,FCNBLK ;SET UP FUNCTION
MOVEI T1,FCNBLK ;FUNCTION
CALL COMNDX
JRST [ CALL COMNDE ;ERROR, TYPE MESSAGE
JRST PARSE1]
RET ;RETURN
;CHECK FOR EOL (RETURN +1 IF NONE)
CMDEOL: MOVEI T1,[FLDDB.(.CMCFM)]
CALL COMNDX ;CHECK CONFIRMATION
JRST COMNDE ;ERROR, TYPE MESSAGE AND RETURN
RETSKP ;YES - SKIP RETURN
;ROUTINE TO WRITE A HEADER FOR THE LOST-PAGES FILE
LPFWRT: SETZM LPFHED+.LPSTR ;CLEAR STR NAME
SETZM LPFHED+.LPSTR+1
MOVE T1,[.LPMJK] ;MAJIK CONSTANT
MOVEM T1,LPFHED+.LPFLG
GTAD ;GET CURRENT DATE & TIME
MOVEM T1,LPFHED+.LPTAD
HRROI T1,LPFHED+.LPSTR ;POINT TO STR NAME
HRROI T2,STRHOM ;POINT TO NAME STRING
MOVEI T3,0 ;OUTPUT TILL NULL
SOUT
MOVE T1,LOSTOT ;LOST PAGES COUNT
MOVEM T1,LPFHED+.LPCNT
MOVE T1,OUTJFN
MOVE T2,[POINT 36,LPFHED]
MOVNI T3,.LPDTA ;HEADER SIZE
SOUT
RET ;DUMP AND RETURN
;ROUTINE TO CHECK LOST-PAGE FILE HEADER
LPFCHK: SETZM DIRNAM ;CLEAR STR NAME AREA
SETZM DIRNAM+1
MOVE T1,INJFN ;INPUT JFN
MOVE T2,[POINT 36,LPFHED]
MOVNI T3,.LPDTA ;SIZE OF RECORD
SIN ;READ IT
ERJMP [JSHLT]
MOVE T1,LPFHED+.LPFLG ;GET FLAG WORD
CAME T1,[.LPMJK] ;CHECK CONSTANT
JRST [ TMSG <?File not in correct format>
JRST LPFCHE]
HRROI T1,STRHOM ;CHECK MATCH OF STR
HRROI T2,LPFHED+.LPSTR
STCMP
JUMPN T1,[TMSG <?File is for structure >
HRROI T1,LPFHED+.LPSTR
PSOUT
JRST LPFCHV]
LPFCH1: TMSG <File written on: >
MOVEI T1,.PRIOU
MOVE T2,LPFHED+.LPTAD ;FILE DATE AND TIME
MOVEI T3,0 ;USE DEFAULT
ODTIM
TMSG < , contains >
MOVEI T1,.PRIOU
MOVE T2,LPFHED+.LPCNT
MOVEI T3,^D10 ;DECIMAL NUMBER
NOUT
JFCL
TMSG < entries.
>
RETSKP ;GOOD RETURN
LPFCHE: TMSG < , Aborting...
>
RET ;ERROR RETURN
LPFCHV: TMSG <
>
HRROI T1,[ASCIZ "Do you want to proceed anyway? "]
CALL YESNO ;GET CONFIRMATION
JUMPL T1,LPFCH1 ;YES - USE THIS FILE
RET ;NO - TERMINATE
;ROUTINE TO ADD STRUCTURE NAME TO BEGINNING OF STRING
;ACCEPTS:
; T2/ POINTER TO EXISTING STRING
; CALL ADDSTR
;RETURNS +1: ALWAYS,
; T2/ POINTER TO STRING WITH STRUCTURE IN FRONT
ADDSTR: STKVAR <GJSTR>
MOVEM T2,GJSTR ;SAVE POINTER TO STRING
HRROI T1,ATMBUF ;BUILD FILESPEC HERE
HRROI T2,STRNAM ;STRUCTURE NAME STRING
MOVEI T3,0
SOUT ;COPY STRUCTURE NAME
MOVEI T2,":" ;APPEND COLON TO DEVICE NAME
IDPB T2,T1
MOVE T2,GJSTR
SOUT ;COPY REMAINDER OF NAME
HRROI T2,ATMBUF ;COMPLETE NAME
RET ;RETURN WITH CORRECT POINTER
;ROUTINE TO CHECK FOR PS:
PSCHK: CALL TRANSL ;GET REAL PS: NAME, IF ANY.
SETZM PSFLG ;NOT PS: YET
HRROI T1,STRNAM ;NAME OF STRUCTURE
HRROI T2,PSNAME
STCMP ;COMPARE STRINGS
JUMPN T1,R ;NOT PS - NON SKIP
SETZM OKFLG ;FLAG FOR FNDSTR
CALL FNDSTR ;SEE IF THERE IS A DISMOUNTED
SETO T1, ;CANT HAPPEN (ASSUME PS)
JUMPE T1,R ;NEED TO MOUNT THIS PS
SETOM PSFLG ;THIS IS THE REAL PS:
MOVE T1,[SIXBIT /DBUGSW/];SEE IF WE ARE TIMESHARING, AND ONLY
SYSGT ; ALLOW WORKING ON PS IF NOT
SKIPE T2 ;DID WE GET THE ENTRY?
JUMPE T1,R ;YES, WE DID, BUT WE ARE TIMESHARING
RETSKP ;SKIP RETURN
;ROUTINE TO SCAN ALL DISK DRIVES LOOKING FOR STRUCTURE
;NAMED IN STRNAM AND CHECKING TO SEE IF IT IS DISMOUNTED
; RETURNS +1 IF ERROR
; RETURNS +2 C(T1) := -1 IF STR ALREADY MOUNTED
; C(T2) := 0 IF NEED TO MOUNT STR (MNTBLK SETUP)
FNDSTR: STKVAR <NUNITS,DEVSAV>
FNDST0: SETOM RNUBLK+.MSRCH ;INIT FOR FIRST UNIT
SETOM RNUBLK+.MSRCT
SETOM RNUBLK+.MSRUN
SETOM MNTBLK+.MSTNU ;INIT # OF UNITS IN STR
SETZM NUNITS ;INIT NUMBER OF UNITS FOUND
FNDST1: CALL GTUSTS ;GET UNIT STATUS
JRST FNDST3 ;NO MORE UNITS
CALL STRMAT ;MATCH STRUCTURE WANTED
JRST FNDST1 ;NO - TRY NEXT
SKIPL MNTBLK+.MSTNU ;FIRST TIME HERE
JRST FNDST2 ;NO - JUST SETUP UNIT
HRRZ T1,RNUBLK+.MSRNS ;YES - GET # OF UNITS IN STR
CAILE T1,10 ;MAX NUMBER WE CAN HANDLE
RETERR <More than 8. units in structure>
MOVEM T1,MNTBLK+.MSTNU
SETOM MNTBLK+.MSTUI ;INIT MOUNT TABLE TO -1
MOVE T1,[MNTBLK+.MSTUI,,MNTBLK+.MSTUI+1]
BLT T1,MNTBLK+.MSTUI+.MSTNO*10-1
;CLEAR TABLE
FNDST2: HRRZ T1,RNUBLK+.MSRNS ;GET # OF UNITS
CAME T1,MNTBLK+.MSTNU ;SAME AS BEFORE?
RETERR <Ambiguous number of units found>
HLRZ T1,RNUBLK+.MSRNS ;GET LOGICAL UNIT NUMBER
IMULI T1,.MSTNO ;CALC OFFSET INTO TABLE
ADDI T1,MNTBLK+.MSTUI
SKIPL .MSTCH(T1) ;UNIT PREVIOUSLY NOT FOUND?
RETERR <Multiple logical units found>
HRLI T1,RNUBLK+.MSRCH ;SET UP XFER WORD
MOVEI T2,.MSTUN(T1)
BLT T1,0(T2) ;XFER DISK ADDRESS
AOS NUNITS ;INCR NUMBER OF PACKS SO FAR
JRST FNDST1 ;GET MORE
;HERE WHEN NO MORE UNITS FOUND
FNDST3: SKIPE T1,NUNITS ;FOUND ANYTHING?
JRST FNDST8 ;YES - GO ON
HRROI T1,STRNAM ;SEE IF ALREADY ON-LINE
STDEV
RETERR <Structure not found>
MOVEM T2,DEVSAV ;SAVE DEVICE DESIG FOR DISMOUNT
SKIPN OKFLG ;WANT TO WARN USER
JRST [ SETO T1, ;DON'T MOUNT ANYTHING
RETSKP] ;GOOD RETURN
HRROI T1,[ASCIZ "% Structure already mounted. Forcibly dismount and proceed? "]
CALL YESNO
JUMPE T1,R ;DON'T PROCEDE
HRROI T1,STRHOM ;COPY NAME TO HERE
HRROI T2,STRNAM ; FOR DISMOUNT MSG
MOVEI T3,0
SOUT
MOVE T1,DEVSAV ;SETUP DEVICE DESIGNATOR
MOVEM T1,STRMNT
MOVEM T1,MNTBLK ;SETUP FOR GET STR STATUS
HRROI T1,STRNAM ;PUT STRUCTURE-ID HERE
MOVEM T1,MNTBLK+.MSGSI
MOVE T1,[.MSGLN,,.MSGSS]
MOVEI T2,MNTBLK ;FUNCTION BLOCK
MSTR ;GET STR ID
ERJMP [JSHLT] ;LOSE IF ERROR
CALL DISMNT ;DISMOUNT STR
JRST FNDST0 ;AND START OVER
FNDST8: CAME T1,MNTBLK+.MSTNU ;FOUND CORRECT NUMBER
RETERR <Structure missing one or more units>
HRROI T1,STRNAM ;SET NAME INTO BLOCK
MOVEM T1,MNTBLK+.MSTNM
SETZM MNTBLK+.MSTAL ;NO ALIAS
SETZ T1, ;SAY NEED TO MOUNT
RETSKP ;GIVE GOOD RETURN
;ROUTINE TO READ-NEXT-UNIT STATUS
GTASTS: ;GET STATUS OF ALIAS ID.
HRROI T1,NAMBUF ;PLACE FOR STRUCTURE NAME
MOVEM T1,RNUBLK+.MSRSA ;GET ALIAS NAME
SETZM RNUBLK+.MSRSN ;DON'T CARE ABOUT ACTUAL STRUCTURE NAME
JRST GTUST1; ;GO INLINE
GTUSTS: ;GET STATUS OF PHYSICAL ID.
HRROI T1,NAMBUF ;PLACE FOR STRUCTURE NAME
MOVEM T1,RNUBLK+.MSRSN ;ALWAYS GET ACTUAL STRUCTURE NAME
SETZM RNUBLK+.MSRSA ;DONT CARE ABOUT ALIAS NAME
GTUST1: MOVE T1,[.MSRLN,,.MSRNU] ; LEN,,FCN
MOVEI T2,RNUBLK ;ADDRS OF ARGS
MSTR ;GET STATUS
ERJMP [MOVEI T1,.FHSLF ;OURSELVES
GETER
HRRZ T1,T2
CAIE T1,MSTX18 ;NO MORE UNITS?
JSERR ;ERROR
RET] ;NO - RETURN
RETSKP ;GOOD RETURN
;ROUTINE WHICH SKIPS IFF CURRENT UNIT IS PART OF STRUCTURE WE
;WANT.
STRMAX: TDZA T3,T3 ; FLAG THAT WE DONT CARE ABOUT MOUNTED
STRMAT: SETO T3,
MOVE T1,RNUBLK+.MSRST ;GET UNIT STATUS
TXNE T1,MS%HBB ;VALID HOME BLOCKS?
JRST STMAT1 ;GIVE WARNING
TXNE T1,MS%OFL!MS%DIA
RET ;OFF-LINE, OR DIAG
SKIPE T3 ;ARE WE LOOKING FOR MOUNTED UNITS?
JRST [ TXNE T1,MS%MNT ;MOUNTED?
RET
JRST .+1] ;NO, IT OK
HRROI T1,NAMBUF ;CONSIDER THIS NAME
HRROI T2,STRNAM ;REQUESTED STRUCTURE
STCMP ;MATCH STRINGS
JUMPN T1,R ;RETURN IF NO MATCH
RETSKP ;SKIP IF MATCH
STMAT1: TMSG <% Unit >
MOVE T2,RNUBLK+.MSRUN
MOVEI T3,^D10 ;DECIMAL OUTPUT
CALL TTNOUT ;PRINT UNIT #
SKIPGE RNUBLK+.MSRCT ;ANY CONTROLLER?
JRST STMAT2 ;NO, SKIP SOME OUTPUT
TMSG < on controller > ;YES, TYPE SOME
MOVE T2,RNUBLK+.MSRCT ;GET CONTROLLER NUMBER
CALL TTNOUT ;TYPE IT
STMAT2: TMSG < on channel >
MOVE T2,RNUBLK+.MSRCH
CALL TTNOUT ;AND CHANNEL
TMSG < does not have valid home blocks - ignored.
>
RET ;RETURN ERROR
;ROUTINE TO INITIALIZE A STRUCTURE FROM INFORMATION GIVEN
;BY THE USER. C(T1) := FLAGS,,FCN
STRINI: HLLM T1,MNTBLK+.MSINU ;STORE FLAGS AND FUNCTION
HRRZ T2,MNTBLK+.MSINU ;GET NUMBER OF UNITS
SOS T2 ; -1
IMULI T2,.MSINO ;WORDS / UNIT
SETZM MNTBLK+.MSIST(T2) ;CLEAR STATUS WORD
HRROI T1,STRNAM ;SET UP NAME STRING
MOVEM T1,MNTBLK+.MSINM
MOVE T1,NPG4SW ;# PAGES FOR SWAPPING
MOVEM T1,MNTBLK+.MSISW(T2)
MOVE T1,NPGFES ;# PAGES FOR FRONT-END
MOVEM T1,MNTBLK+.MSIFE(T2)
MOVE T1,CPUSER ;CPU SERIAL NUMBER OF BOOTABLE STRUCTURE
MOVEM T1,MNTBLK+.MSISN(T2)
MOVEI T1,MNTBLK+.MSIUI(T2)
HRLI T1,UNITID ;UNIT ID STRING
BLT T1,MNTBLK+.MSIUI+2(T2) ;MOVE STRING (12 CHARS)
MOVEI T1,MNTBLK+.MSIOI(T2)
HRLI T1,OWNRID ;OWNER ID STRING
BLT T1,MNTBLK+.MSIOI+2(T2) ;MOVE IT
HRLZI T1,.MSISN+1(T2) ;SIZE OF ARG LIST
HRRI T1,.MSINI ; SIZE ,, FUNCTION
MOVEI T2,MNTBLK ;POINT TO ARG BLOCK
MSTR ;TRY TO MOUNT , ETC.
ERJMP [JSERR ;REPORT FAILURE
RET]
CALL SETMNT ;SET MOUNTED STR
RETSKP ;GOOD RETURN
;INIT STRUCTURE PARAMETERS (SET DEFAULTS)
STRDEF: SETZM NPG4SW ;ASSUME NO SWAPPING
SETZM NPGFES ;AND NO FRONT-END FILE SYSTEM
SETZM IDZB ;CLEAR ID FIELDS
MOVE T1,[IDZB,,IDZB+1]
BLT T1,IDZZ ;...
RET ;RETURN
;ROUTINE TO MOUNT STRUCTURE FOR EXCLUSIVE USE
XMNTA: TDZA T1,T1 ;OK IF MOUNTED ENTRY
XMNT: SETO T1, ;MUST FIND OFF-LINE
MOVEM T1,OKFLG ;SAVE FLAG FOR FNDSTR
CALL FNDSTR ;FIND STUCTURE
JRST RESTRT ; PROBLEM - START OVER
JUMPL T1,R ;RETURN IF ALREADY MOUNTED
HRROI T1,[ASCIZ /CHECKD/]
MOVEM T1,MNTBLK+.MSTAL ;SETUP ALIAS FOR CHECKD
MOVX T1,MS%XCL!MS%IGN ;EXCLUSIVE USE, IGNORE ERRORS
HLLM T1,MNTBLK+.MSTNU ;SET FLAGS
HRRZ T1,MNTBLK+.MSTNU ;CALC SIZE OF BLOCK
IMULI T1,.MSTNO
ADDI T1,.MSTUI ; PLUS CONSTANT SIZE
HRLZS T1 ;MOVE TO LHS
HRRI T1,.MSMNT ;MOUNT FUNCTION
MOVEI T2,MNTBLK ;POINT TO ARG BLOCK
MSTR
ERJMP [JSERR ;REPORT LOSAGE
JRST RESTRT] ;START OVER
CALL SETMNT ;SET STRUCTURE MOUNTED
HRROI T1,[ASCIZ /CHECKD/]
MOVEM T1,MNTBLK+.MSDEV ;SET UP ALIAS NAME
MOVE T1,[1,,.MSIMC] ;INCREMENT MOUNT COUNT FOR THIS STR
MOVEI T2,MNTBLK ;POINT TO ARG BLOCK
MSTR
ERJMP [JSERR ;REPORT LOSAGE
JRST RESTRT] ;START OVER
RET ;RETURN
REPEAT 0, <
;SET COMMAND
.SET: MOVEI T1,[FLDDB.(.CMKEY,,SETTAB)] ;SECONDARY KEYTABLE
CALL COMNDX
ERROR PARSE1,<Not a CHECKD command>
HRRZ T1,(T2) ;GET DISPATCH
JRST (T1) ;PROCESS
;SET KEYWORD TABLE
SETTAB: XWD SETSIZ,SETMAX
TB (.DRVSNO,DRIVE-SERIAL-NUMBER) ;DRIVE SERIAL # FOR RP20
SETSIZ=.-SETTAB-1
SETMAX=SETSIZ
;SET DRIVE-SERIAL-NUMBER
.DRVSNO: TRVAR <SERNO>
HRROI T1,[ASCIZ /FOR RP20/]
CALL CMDNOI ;NOISE WORDS
CALL CMDEOL ;PARSE END OF LINE
JRST PARSE1 ;ERROR RETURN
CALL CNFINF ;GET CONFIGURATION INFORMATION
MOVEI Q1,RNUBLK+.MSRCH ;CHANNEL,UNIT,CTL FOR .MSRUS MSTR FUNCTION
CALL GETUNT ;GET UNIT INFO FOR ONE UNIT
MOVE T1,[.MSRLN,,.MSRUS]
XMOVEI T2,RNUBLK
MSTR
ERJMP [JSERR
JRST PARSE1]
LOAD T1,MS%TYP,RNUBLK+.MSRST
CAIE T1,.MSR20
ERROR PARSE1,<Drive is not an RP20>
SETDV1: HRROI T1,[ASCIZ /Enter decimal serial number: /]
CALL CMDINI
MOVEI T1,[FLDDB.(.CMNUM,,^D10)]
CALL COMNDX
ERROR SETDV1,<Invalid decimal number>
MOVEM T2,SERNO
MOVE T1,RNUBLK+.MSRCH
STOR T1,DOP%C2,T4 ;CHANNEL
MOVE T1,RNUBLK+.MSRCT
STOR T1,DOP%K2,T4 ;CONTROLLER
MOVE T1,RNUBLK+.MSRUN
STOR T1,DOP%U2,T4 ;UNIT
MOVEI T1,3 ;SECTOR THREE IS FOR THE SERIAL NUMBER
TXO T1,<FLD .DOPPU,DOP%AT> ;RELATIVE ADDRESSES
MOVEI T2,1000 ;LENGTH OF BLOCK
TXO T2,DOP%PS+DOP%NF ;TRUE PHYSICAL SECTORS, CHAN/CTL/UNIT
MOVEI T3,BATBUF
DSKOP
JUMPN T1,[JSERR
JRST RESTRT]
MOVEI T1,.MSR20
IORI T1,400 ;128 SERIES DRIVE AS IN PHYUBB-2
LSH T1,20
MOVEM T1,BATBUF+0 ;SAVE HIGH ORDER SERIAL NUMBER
MOVE T1,SERNO
MOVEM T1,BATBUF+1 ;SAVE LOW ORDER SERIAL NUMBER
MOVEI T1,3 ;BACK TO SECTOR 3
TXO T1,<FLD .DOPPU,DOP%AT> ;RELATIVE ADDRESSES
TXO T2,DOP%WR ;WRITE
DSKOP ;WRITE IT BACK
JUMPN T1,[JSERR
JRST RESTRT]
JRST RESTRT
> ;END REPEAT 0
;CREATE NEW FILE SYSTEM
;ACCEPT FILE STRUCTURE DESCRIPTION AND BUILD A NEW STRUCTURE
;ON THE SPECIFIED UNITS. (.MSINI FUNCTION)
.CREAT: HRROI T1,[ASCIZ /NEW FILE SYSTEM FOR/]
CALL CMDNOI ;PRINT GUIDE WORDS
CALL CONFRM ;GET STR NAME AND CONFIRM
CALL STRDEF ;SET DEFAULTS
HRROI T1,[ASCIZ /Enter alias: /]
CALL CMDINI ;INIT AND PROMPT
HRROI T1,[ASCIZ /CHECKD/]
CALL CMDSTR ;PARSE STRUCTURE NAME
HRROI T1,DIRNAM ;PLACE TO STORE ALIAS
HRROI T2,ATMBUF ;WHAT HE TYPED
MOVEI T3,0
SOUT
CALL CMDEOL ;PARSE TO EOL
JRST PARSE1 ; ERROR
CREAT1: HRROI T1,[ASCIZ /How many units in this structure? /]
CALL CMDINI ;PRINT PROMPT
MOVEI T1,[FLDDB.(.CMNUM,,^D10)]
CALL COMNDX ;GET DECIMAL NUMBER
ERROR CREAT1,<Invalid decimal number>
CAIG T2,8 ;AND IN RANGE
CAIGE T2,1
ERROR CREAT1,<Number not in range 1-8>
MOVEM T2,MNTBLK+.MSINU ;SAVE NUMBER OF UNITS
CALL CMDEOL ;GET <CR>
JRST CREAT1 ;TRY AGAIN
CALL CNFINF ;GET CONFIG INFO
MOVEI Q1,MNTBLK+.MSISU ;BEGINNING OF UNIT INFO
HRRZ Q2,MNTBLK+.MSINU ;COUNT OF UNITS
CREAT2: CALL GETUNI ;GET UNIT INFO
ADDI Q1,.MSINO ;STEP TO NEXT
SOJG Q2,CREAT2 ;LOOP TILL DONE
SETZM HBUF ;CLEAR THE HELP BUFFER
MOVE T1,[HBUF,,HBUF+1]
BLT T1,HBUF+<NHBUFP*1000>-1
CREAT3: HRROI T1,[ASCIZ /Number of pages to allocate for swapping? /]
CALL CMDINI ;PRINT PROMPT
RADIX 10
FORS. (DEFP4S,<NUMSWP>,<
MOVEI T1,[FLDDB.(.CMNUM,CM%SDH,^D10,<0 for no swapping space or
a decimal number between 2000 and 40000>,NUMSWP)]>)
RADIX 8
CALL COMNDX
SKIPA ;GIVE ERROR IF PARSE FAILED
SKIPGE T2 ; AND IN RANGE
ERROR CREAT3,<Invalid decimal number>
JUMPE T2,CRT3A ;ZERO IS OK
CAIG T2,^D40000 ;VALIDATE RANGE
CAIGE T2,^D2000
ERROR CREAT3,<Swapping space value not in range 2000. to 40000.>
CRT3A: MOVEM T2,NPG4SW ;SAVE FOR LATER
CALL CMDEOL
JRST CREAT3
CREAT4: HRROI T1,[ASCIZ /Number of pages to allocate for the Front End File System? /]
CALL CMDINI ;PRINT PROMPT
RADIX 10
FORS. (DEFPFS,<NUMFES>,<
MOVEI T1,[FLDDB.(.CMNUM,CM%SDH,^D10,<0 for no front end file system or
a decimal number between 250 and 10000>,NUMFES)]>)
RADIX 8
CALL COMNDX
SKIPA ;GIVE ERROR IF PARSE FAILED
SKIPGE T2
ERROR CREAT4,<Invalid decimal number>
JUMPE T2,CRT4A ;ZERO IS OK
CAIG T2,^D10000 ;CHECK RANGE
CAIGE T2,^D250
ERROR CREAT4,<Value not in range 250. to 10000.>
CRT4A: MOVEM T2,NPGFES ;SAVE NUMBER
CALL CMDEOL
JRST CREAT4 ;TRY AGAIN
GJINF ;GET USER NAME
MOVE T2,T1
HRROI T1,NAMBUF
MOVEM T1,FCNBLK+.CMDEF ;SET UP DEFAULT POINTER
DIRST ; INTO NAMBUF
JSHLT
MOVX T1,<FLD(.CMFLD,CM%FNC)+<CM%SDH!CM%HPP!CM%DPP>>
MOVEM T1,FCNBLK ;SETUP FCN
SETZM FCNBLK+.CMDAT ;NO XTRA DATA
HRROI T1,[ASCIZ "NAME OF USER OWNING STRUCTURE"]
MOVEM T1,FCNBLK+.CMHLP ;SETUP HELP TEXT
CREAT5: HRROI T1,[ASCIZ "Owner name? "]
CALL CMDINI ;PROMPT
MOVEI T1,FCNBLK ;SETUP SPECIAL FUCNTION BLOCK
CALL COMNDX ;GET RESPONSE
ERROR CREAT5,<Invalid owner name string>
HRROI T2,ATMBUF ;RESPONSE
HRROI T1,OWNRID ;COPY TO OWNER ID
MOVEI T3,^D14 ;MAX CHARS
MOVEI T4,0 ;OR NULL (WHICHEVER COMES FIRST)
SOUT
SKIPN T3
ERROR CREAT5,<Name string greater than 12. characters>
CALL CMDEOL ;GRNTEE EOL
JRST CREAT5
CREAT6: HRROI T1,[ASCIZ /Is this a system structure for startup? /]
CALL YESNO
JUMPE T1,[SETZ T2, ;NO, DON'T NEED CPU SERIAL NUMBER
JRST CRT6A]
CREAT7: HRROI T1,[ASCIZ /Serial number of CPU started from this structure? /]
CALL CMDINI ;PRINT PROMPT
MOVEI T1,[FLDDB.(.CMNUM,CM%SDH,^D10,<Serial number of CPU or carriage return for this CPU>,0)]
CALL COMNDX
ERROR CREAT6,<Invalid decimal number>
MOVEM T2,CPUSER ;save serial number
CALL CMDEOL ;confirmed?
JRST CREAT7 ;no, try again
SKIPGE CPUSER ;non negitive number given?
JRST [ TMSG <?Serial number must be non-negitive> ;no, write a message
JRST CREAT7] ;try again
SKIPE CPUSER ;yes, was a serial number given?
JRST CRT6A ;yes, have serial number, don't get this APR
MOVEI T1,.APRID ;want APR serial number
GETAB ;get it
ERROR RESTRT,<Couldn't get APR serial number>
MOVEM T1,CPUSER ;store serial number
;NOW TRY TO INIT/MOUNT THE STRUCTURE
CRT6A: HRROI T1,UNITID ;SETUP UNIT ID STRING
HRROI T2,STRNAM ;TO BE STRUCTURE NAME
MOVEI T3,0
SOUT ;...
HRROI T1,DIRNAM ;ALIAS TEXT STRING
MOVEM T1,MNTBLK+.MSIAL ;SET UP ALIAS
MOVX T1,<FLD(.MSCRE,MS%FCN)+MS%XCL>
CALL STRINI ;INIT STRUCTURE
JRST PARSE1 ;FAILED
JRST RESTRT ;OK - GET NEXT COMMAND
;ROUTINE TO GET CHANNEL, CONTROLLER, AND UNIT NUMBERS FOR A DRIVE.
; C(Q1) := POINTER TO 3-WORD DRIVE INFO BLOCK
; C(Q2) := NUMBER OF UNITS
GETUNT: HRROI T2,[ASCIZ /DECIMAL Channel, Controller, and Unit number: /]
HRROI T1,TMPBUF
MOVEI T3,0
SOUT
MOVEI Q2,1 ;ONE UNIT
JRST GETUN1 ;JOIN COMMON CODE
GETUNI: HRROI T2,[ASCIZ /DECIMAL Channel, Controller, and Unit numbers for logical unit /]
HRROI T1,TMPBUF ;TEMP BUFFER
MOVEI T3,0
SOUT
HRRZ T2,MNTBLK+.MSINU ;CALC UNIT #
SUB T2,Q2
MOVEI T3,^D10 ;DECIMAL
NOUT
JFCL
HRROI T2,[ASCIZ /: /]
MOVEI T3,0
SOUT
GETUN1: HRROI T1,TMPBUF ;POINT TO GENERATED PROMPT
CALL CMDINI ;PRINT PROMPT
CALL SPCNUM ;SPECIAL NUMBER ROUTINE
JRST GETUN1 ;ERROR RETURN
CAIG T2,7 ;CHECK RANGE
CAIGE T2,0
ERROR GETUN1,<Channel number not in range 0-7>
MOVEM T2,.MSICH(Q1) ;STORE IN PROPER PLACE
MOVEI T1,[FLDDB.(.CMCMA)]
CALL COMNDX
ERROR GETUN1,<Comma expected between channel and controller numbers>
CALL SPCNUM ;GET CONTROLLER NUMBER
JRST GETUN1 ;INVALID
CAML T2,[-1] ;VERIFY NOT TOO SMALL
CAILE T2,17 ;OR TOO LARGE
ERROR GETUN1,<Controller number not in range -1 to 15>
MOVEM T2,.MSICT(Q1) ;STORE IT
MOVEI T1,[FLDDB.(.CMCMA)] ;WANT ANOTHER COMMA
CALL COMNDX ;GET IT
ERROR GETUN1,<Comma expected between controller and unit numbers>
CALL SPCNUM ;GET UNIT NUMBER
JRST GETUN1 ;INVALID NUMBER
SKIPL T2 ;VERIFY RANGE
CAILE T2,377 ;TO BE REASONABLE
ERROR GETUN1,<Unit number not in range 0-255>
MOVEM T2,.MSIUN(Q1) ;STORE IT
CALL CMDEOL ;GRNTEE EOL
JRST GETUN1 ;ERROR
RET ;OK - RETURN
;SPECIAL NUMBER ROUTINE WITH VERY LONG HELP TEXT
SPCNUM: MOVX T1,<FLD(.CMNUM,CM%FNC)+CM%HPP!CM%SDH>
MOVEM T1,FCNBLK ;SETUP FUNCTION
HRROI T1,HBUF ;POINT TO HELP TEXT
MOVEM T1,FCNBLK+.CMHLP
MOVEI T1,^D10 ;SETUP RADIX
MOVEM T1,FCNBLK+.CMDAT
SETZM FCNBLK+.CMDEF ;NO DEFAULT
MOVEI T1,FCNBLK ;T2/ FUNCTION BLOCK
CALL COMNDX
SKIPA ;FAILED
RETSKP ;GOOD RETURN
TMSG <
?Invalid decimal number
>
RET ;ERROR RETURN
;ROUTINE TO SETUP STRING CONTAINING AVAILABLE UNIT INFO
CNFINF: SAVEQ ;SAVE Q1-Q3
HRROI Q1,HBUF ;POINT TO BUFFER BEG
MOVE T1,Q1 ;GET FIRST STRING
HRROI T2,HHDR ;POINT TO HEADER
MOVEI T3,0
SOUT
MOVEM T1,Q1 ;SAVE PNTR SO FAR
SETOM RNUBLK+.MSRCH ;INIT FOR FIRST UNIT
SETOM RNUBLK+.MSRCT
SETOM RNUBLK+.MSRUN
CNFIN1: CALL GTUSTS ;GET UNIT STATUS
JRST CNFIN3 ;NO MORE - DONE
MOVE Q2,RNUBLK+.MSRST ;GET STATUS
TXNE Q2,MS%MNT ;MOUNTED STR?
JRST CNFIN1 ;YES IGNORE
MOVSI T1,-UNTYTN ;GET READY FOR SEARCH
LDB T2,[POINTR (Q2,MS%TYP)] ;GET THIS UNIT'S TYPE
CNFIN4: HLRZ T3,UNTYTB(T1) ;GET NEXT TABLE ENTRY
CAME T2,T3 ;FOUND THE UNIT TYPE YET?
AOBJN T1,CNFIN4 ;NO, KEEP LOOKING
HRRO T2,UNTYTB(T1) ;CREATE POINTER TO TYPE STRING
MOVE T1,Q1 ;GET OUTPUT POINTER
MOVEI T3,0
SOUT ;DUMP IT
MOVE T2,RNUBLK+.MSRCH ;GET CHANNEL NUMBER
MOVE T3,[NO%LFL+<6,,^D10>] ;DECIMAL OUTPUT FILLED IN 6 COLUMNS
NOUT ;CONVERT TO NUMBER
JFCL
MOVE T2,RNUBLK+.MSRCT ;GET CONTROLLER NUMBER
MOVE T3,[NO%LFL+<^D11,,^D10>] ;DECIMAL FILLED IN 11 COLUMNS
NOUT ;TYPE IT
JFCL
MOVE T2,RNUBLK+.MSRUN ;GET UNIT NUMBER
MOVE T3,[NO%LFL+<^D9,,^D10>] ;DECIMAL FILLED IN 9 COLUMNS
NOUT
JFCL
MOVEI T3,4
CALL SPACN ;MOVE OVER
HRROI T2,NAMBUF ;ASSUME STR NAME
TXNE Q2,MS%HBB ;VALID HOME BLOCKS?
HRROI T2,[ASCIZ "Bad home blocks"]
TXNE Q2,MS%DIA ;MAINT MODE?
HRROI T2,[ASCIZ "Maintenance mode"]
TXNE Q2,MS%OFL ;OFF-LINE
HRROI T2,[ASCIZ "Off-line"]
MOVEI T3,^D20 ;MAX CHARS
MOVEI T4,0 ;TERMINATOR
SOUT ;DUMP STRING SO FAR
; NEXT PAGE .....
; ....
MOVNI T2,1 ;BACKUP OVER NULL
ADJBP T2,T1
MOVE T1,T2 ;RESTORE BP
AOS T3 ;ACCOUNT FOR IT
CALL SPACN ;T3 HAS CHARS REMAINING
TXNE Q2,MS%DIA!MS%OFL!MS%HBB
JRST CNFIN2 ;NO MORE INFO
HLRZ T2,RNUBLK+.MSRNS ;GET LOGICAL UNIT #
MOVEI T3,12 ;DECIMAL
NOUT
JFCL
MOVEI T2," "
IDPB T2,T1 ;PUT IN SPACE
MOVEI T2,"("
IDPB T2,T1 ;AND PAREN
HLRZ T2,RNUBLK+.MSRNS ;GET UNIT # AGAIN
AOS T2 ;CHANGE TO ORDINAL
NOUT ;DUMP IT
JFCL
HRROI T2,[ASCIZ " of "]
MOVEI T3,0
SOUT
HRRZ T2,RNUBLK+.MSRNS ;GET # OF UNITS IN STR
MOVEI T3,^D10
NOUT ;DUMP IT
JFCL
MOVEI T2,")" ;CLOSE PAREN
IDPB T2,T1
CNFIN2: MOVEI T2,15 ;CR
IDPB T2,T1 ;OUTPUT
MOVEI T2,12 ;LF
IDPB T2,T1
MOVEM T1,Q1 ;SAVE PNTR
JRST CNFIN1 ;GET NEXT
CNFIN3: MOVEI T2,15 ;XTRA CRLF
IDPB T2,Q1
MOVEI T2,12
IDPB T2,Q1 ;...
MOVEI T2,0 ;TIE OFF STRING
IDPB T2,Q1
RET ;RETURN
;UNIT INFO TABLES
UNTYTB: 1,,[ASCIZ/RP04/] ;1 - RP04
5,,[ASCIZ/RP05/] ;5 - RP05
6,,[ASCIZ/RP06/] ;6 - RP06
7,,[ASCIZ/RP07/] ;7 - RP07
11,,[ASCIZ/RM03/] ;11 - RM03
24,,[ASCIZ/RP20/] ;24 - RP20
27,,[ASCIZ/RA80/] ;27 - RA80
30,,[ASCIZ/RA81/] ;30 - RA81
31,,[ASCIZ/RA60/] ;31 - RA60
0,,[ASCIZ/UNK /] ;LAST ENTRY IS CATCH-ALL FOR UNKNOWNS
UNTYTN==.-UNTYTB-1 ;NUMBER OF REAL ENTRIES
;HELP MESSAGE HEADER
HHDR: ASCIZ "
Triple of decimal numbers from one of the following:
Type Channel Controller Unit Structure name Logical unit
---- ------- ---------- ---- -------------- ------------
"
;COMMON ROUTINE FOR CHECK COMMAND
.CHECK: MOVEI T1,[FLDDB.(.CMKEY,,CKTAB)] ;SECONDARY KEYTABLE
CALL COMNDX
ERROR PARSE1,<Not a CHECKD command>
HRRZ T1,(T2) ;GET DISPATCH
JRST (T1) ;PROCESS
;CHECK COMMAND KEYWORD TABLE
CKTAB: XWD CKSIZ,CKMAX
TB (.BITAB,BITTABLE) ;CHECK BITTABLE CONSISTENCY
TB (.DIREC,DIRECTORY) ;CHECK DIRECTORY CONSISTENCY
CKSIZ=.-CKTAB-1
CKMAX=CKSIZ
;CHECK (CONSISTENCY OF) BITTABLE
;USER WANTS TO CHECK BIT TABLE.
; THIS IS THE STANDARD OPTION WHEN RUNNING FROM JOB 0.
;GET CONFIRMATION. USE DEFAULT FLAG SETTINGS.
.BITAB: HRROI T1,[ASCIZ /CONSISTENCY OF/]
CALL CMDNOI ;NOISE WORDS
CALL CONFRM ;GET STR AND CONFIRM
CALL PSCHK ;SEE IF THIS IS PS:
CALL XMNT ;NO - MOUNT FOR EXCLUSIVE ACCESS
CALL SETSTR ;SET CURRENT STR ETC.
SETOM WRTLPF ;TURN ON LOST-PAGES FILE
CALL QDONE ;SCAN DIRECTORIES
SKIPN PSFLG ;WAS THIS THE REAL PS:
JRST RESTRT ;NO - RESTART CHECKD
SKIPE WRTLPF ;STILL FOUND ERRORS?
CALL CLRCDE ;PS IS OK - CLEAR MONITOR FLAGS
JRST RESTRT ; AND RESTART
;CHECK (CONSISTENCY OF) DIRECTORY
;USER WANTS TO CHECK DIRECTORY CONSISTENCY. GET CONFIRMATION
.DIREC: HRROI T1,[ASCIZ /CONSISTENCY OF/]
CALL CMDNOI ;GUIDE WORDS
CALL CONFRM ;GET STR AND CONFIRM
CALL PSCHK ;SEE IF THE PS:
CALL XMNTA ;NO - CHECK MOUNTED
CALL SETSTR ;SET CURRENT STR
;GET THE FIRST DIRECTORY NUMBER AND STORE IT IN DIRNUM
CALL FRSDIR ;GET FIRST DIRECTORY
JRST RESTRT ;FAILED.
;HAVE A DIRECTORY NUMBER. CHECK DIRECTORY'S CONSISTENCY
.DIRLP: CALL GDNAM ;GET THE DIRECTORY NAME
JRST .DIRL1 ;SKIP IF ERROR
CALL CKDIR ;CHECK AND REBUILD IF NECESSARY
.DIRL1:
CALL NXTDIR ;GET THE NEXT DIRECTORY
JRST RESTRT ;FAILED OR DONE. START OVER
JRST .DIRLP
;BAT BLOCK EDITOR
.EDIT: HRROI T1,[ASCIZ /BAT BLOCKS FOR/]
CALL CMDNOI ;TYPE THE NOISE
CALL CONFRM ;GET THE STRUCTURE
CALL PSCHK ;SEE IF IT WAS PS
CALL XMNT ; EXCLUSIVE MOUNT IT
CALL SETSTR ;SET UP INFO WE NEED
CALL HOMEIN ;READ HOME BLOCKS
JRST RESTRT ; ONLY ON AN ERROR
CALL BATIN ;READ USEFUL BAT BLOCK INFO
SETOM BEMFLG ;INDICATE WE ARE HERE
JRST BATWRK ;EDIT THE BAT BLOCKS, PLEASE
;ENABLE / DISABLE
.DSABL: SETZM ENAFLG ;INDICATE THIS IS A DISABLE
JRST ENABL1
.ENABL: SETOM ENAFLG ;INDICATE THIS IS AN ENABLE
ENABL1: MOVEI T1,[FLDDB.(.CMKEY,,ENTAB)] ;SECONDARY KEYTABLE
CALL COMNDX
ERROR PARSE1,<Not a CHECKD command>
HRRZ T1,(T2) ;GET DISPATCH
JRST (T1) ;PROCESS
;ENABLE COMMAND KEYWORD TABLE
ENTAB: XWD ENASIZ,ENAMAX
TB (.AUTOS,AUTOMATIC-STARTUP) ;ENABLE SYSTEM STRUCTURE
TB (.BATUP,BAT-BLOCK-DELETE)
TB (.BOOTP,BOOT-PARAMETERS)
TB (.DCARE,DON'T-CARE,CM%INV)
TB (.ECC,ECC-ERROR-MARKING)
TB (.UNLMT,LARGE-DIRECTORIES)
TB (.PSENC,PASSWORD-ENCRYPTION)
TB (.SOFT,SOFT-ERROR-MARKING)
TB (.WRITE,WRITE-VERIFICATION)
ENASIZ=.-ENTAB-1
ENAMAX=ENASIZ
;ENABLE STRUCTURE FOR AUTOMATIC STARTUP BY SETTING CPU SERIAL NUMBER INTO
; THE HOME BLOCK(S)
.AUTOS: HRROI T1,[ASCIZ /FROM STRUCTURE/]
CALL CMDNOI ;NOISE WORDS
CALL CONFRM ;GET STRUCTURE AND CONFIRM
CALL SETSTR ;SET UP WORKING STRUCTURE INFO
CALL HOMEIN ;READ HOME BLOCKS OF FIRST PACK
JRST RESTRT ;BAD BLOCKS
SKIPN T2,ENAFLG ;IS THIS DISABLE?
JRST AUTOS2 ;YES, DON'T ASK FOR CPU SERIAL NUMBER
AUTOS1: HRROI T1,[ASCIZ /Serial number of CPU to startup? /]
CALL CMDINI ;PRINT PROMPT
MOVEI T1,[FLDDB.(.CMNUM,CM%SDH,^D10,<Serial number of CPU or carriage return for this CPU>,0)]
CALL COMNDX
ERROR AUTOS1,<Invalid decimal number>
JUMPN T2,AUTOS2 ;HAVE SERIAL NUMBER
MOVE T1,[SIXBIT /APRID/]
SYSGT ;GET CPU SERIAL NUMBER
MOVE T2,T1 ;USE T2 SINCE JUMPN ABOVE USES T2
AUTOS2: MOVEM T2,HOMARG+.MSHVL ;STORE SERIAL NUMBER
HRROI T1,STRNAM ;GET POINTER TO STRUCTURE NAME
MOVEM T1,HOMARG+.MSHNM ;STORE STRUCTURE BEING MODIFIED
MOVEI T1,HOMSER ;WORD WE WANT TO MODIFY
MOVEM T1,HOMARG+.MSHOF
SETOM HOMARG+.MSHMK ;CHANGING ENTIRE WORD
DMOVE T1,[EXP <4,,.MSHOM>,HOMARG]
MSTR ;MODIFY HOME BLOCK
ERCAL JSERR0 ;FAILED. PRINT REASON
JRST RESTRT ;RESTART
;SET/CLEAR BATBLOCK ENTRY DELETE FLAG
.BATUP: HRROI T1,[ASCIZ /ON DISK VERIFICATION/]
CALL CMDNOI ;NOISE WORDS
MOVEI T1,[FLDDB.(.CMCFM)];CONFIRMATION ONLY
CALL COMNDX
ERROR PARSE1,<Invalid command confirmation>
MOVE T1,ENAFLG ;GET ENABLE/DISABLE FLAG
MOVEM T1,BATFLG ;SAVE THE STATUS
JRST RESTRT
;Enable/Disable BOOT parameters
BPTAB: XWD BPSIZ,BPSIZ
TF (BT%HOD,HALT-ON-DUMP-ERRORS)
TF (BT%RPM,READ-PARAMETERS)
BPSIZ=.-BPTAB-1
;Flags for parameters
.BOOTP: HRROI T1,[ASCIZ /FOR STRUCTURE/]
CALL CMDNOI ;NOISE WORDS
CALL GETSTR ;GET STRUCTURE NAME
CALL STSTRN ;SETUP STRUCTURE DATA
SETZM P6 ;ZERO MASK WORD
HRROI T1,[ASCIZ/PARAMETER/]
CALL CMDNOI ;NOISE WORDS
PARMLP: MOVEI T1,[FLDDB.(.CMKEY,,BPTAB,,,FDCC)]
CALL COMNDX
ERROR PARSE1,<Not a valid parameter>
HRRZS T3 ;Get right-half only
LOAD T3,CMFNC,0(T3) ;Good parse, get our function code
CAIE T3,.CMKEY ;Was it a keyword?
JRST NOTKEY ;No, try for something else
HRRZ T2,(T2) ;Get pointer to the bit
TDO P6,(T2) ;Set the bit
JRST PARMLP ;Back for more
NOTKEY: CAIN T3,.CMCMA ;Comma?
JRST PARMLP ;Yes, back for more
CAIE T3,.CMCFM ;Did he confirm?
ERROR PARSE1,<Not a valid parameter>
BPSTOR: CALL HOMEIN ;READ HOME BLOCKS OF FIRST PACK
JRST RESTRT ;BAD BLOCKS
MOVE T1,BATBUF+HOMBTF ;Get existing bits
TDO T1,P6 ;Assume we are setting
SKIPN ENAFLG ;Are we setting?
TDZ T1,P6 ;No, so clear
MOVEM T1,HOMARG+.MSHVL ;Store bits
HRROI T1,STRNAM ;GET POINTER TO STRUCTURE NAME
MOVEM T1,HOMARG+.MSHNM ;STORE STRUCTURE BEING MODIFIED
MOVEI T1,HOMBTF ;WORD WE WANT TO MODIFY
MOVEM T1,HOMARG+.MSHOF
SETOM HOMARG+.MSHMK ;CHANGING ENTIRE WORD
DMOVE T1,[EXP <4,,.MSHOM>,HOMARG]
MSTR ;MODIFY HOME BLOCK
ERCAL JSERR0 ;FAILED. PRINT REASON
JRST RESTRT ;RESTART
;LIMIT/UNLIMIT (NUMBER OF FILES PER DIRECTORY ON STRUCTURE
.UNLMT: MOVX T1,MS%LIM ;GET THE BIT TO ASSUME DISABLE (LIMIT)
SKIPE ENAFLG ;WAS IT ENABLE
SETZ T1, ;YES, CLEAR THE BIT INSTEAD
STKVAR <NEWVAL>
MOVEM T1,NEWVAL
HRROI T1,[ASCIZ /ON STRUCTURE/]
CALL CMDNOI ;NOISE WORDS
CALL CONFRM ;GET STR AND CONFIRM
CALL SETSTR ;SET CURRENT STR
CALL HOMEIN ;READ HOME BLOCKS (OF FIRST PACK)
JRST RESTRT ;GIVE UP IF CAN'T
MOVE T2,HFLAGS ;GET OLD VALUE OF LIMIT BIT
HRROI T1,[ASCIZ /[Large directories were allowed]
/]
TXNE T2,MS%LIM ;ANNOUNCE OLD VALUE
HRROI T1,[ASCIZ /[Large directories were not allowed]
/]
PSOUT
HRROI T1,STRNAM ;GET POINTER TO STRUCTURE NAME
MOVEM T1,HOMARG+.MSHNM ;STORE STRUCTURE BEING MODIFIED
MOVEI T2,HOMFLG ;WORD WE WANT TO MODIFY
MOVE T3,NEWVAL ;GET NEW VALUE FOR MS%LIM BIT
MOVX T4,MS%LIM ;SPECIFY WHICH BIT TO MODIFY
DMOVEM T1,HOMARG ;STORE ARGS IN ARG BLOCK
DMOVEM T3,HOMARG+.MSHVL
DMOVE T1,[EXP <4,,.MSHOM>,HOMARG]
MSTR ;MODIFY HOME BLOCK
ERCAL JSERR0 ;FAILED, PRINT REASON
JRST RESTRT ;RESTART
;SET/CLEAR SOFT ERROR DURING VERIFY PHASE MARKING
.SOFT: CALL SFTECC ;DO THE WORK
MOVEM T1,SOFTFL ;SAVE THE STATUS
JRST RESTRT
;HERE TO ENABLE /DISABLE ECC ERROR COUNTING
.ECC: CALL SFTECC ;DO THE WORK
MOVEM T1,ECCFLG ;SAVE THE STATUS
JRST RESTRT
SFTECC: HRROI T1,[ASCIZ /DURING VERIFICATION OF DISK SURFACE/]
CALL CMDNOI
MOVEI T1,[FLDDB.(.CMCFM)]
CALL COMNDX
ERROR PARSE1,<Invalid command confirmation>
MOVE T1,ENAFLG ;GET ENABLE/DISABLE FLAG
RET
;ENABLE/DISABLE WRITE VERIFICATION ON DISK
;CHOICES ARE ENABLE/DISABLE WRITE OF SWAP/DATA/BOTH/NONE ON STR FOO
.WRITE: STKVAR <BITMSK,BITVAL> ;MASK OF BITS TO CHANGE, NEWVALUE
HRROI T1,[ASCIZ /OF/]
CALL CMDNOI ;NOISE WORDS
MOVEI T1,[FLDDB. (.CMKEY,,WRTTAB)] ;GET KEYWORD TABLE
CALL COMNDX ;PARSE THE NEXT KEYWORD
ERROR PARSE1,<Not a CHECKD command>
HRRZ T1,(T2) ;GET DISPATCH
JRST (T1) ;AND GO THERE
WRTTAB: XWD WRTSIZ,WRTSIZ
TB (.DATA,DATA) ;DATA SPACE
TB (.SWAP,SWAPPING) ;SWAP SPACE
WRTSIZ=.-WRTTAB-1 ;SIZE OF THE TABLE
.SWAP: MOVX T1,MS%RWS ;READ AFTER WRITE FOR SWAP
SKIPA ;INTO COMMON CODE
.DATA: MOVX T1,MS%RWD ;READ AFTER WRITE FOR DATA
MOVEM T1,BITMSK ;SAVE FOR LATER
AND T1,ENAFLG ;SEE IF WE ARE SETTING FUNCTIONALITY
MOVEM T1,BITVAL ;REMEMBER ENABLE/DISABLE
HRROI T1,[ASCIZ /ON STRUCTURE/]
CALL CMDNOI ;NOISE WORDS
CALL CONFRM ;GET STRUCTURE AND CONFIRM
CALL SETSTR ;SET UP STRUCTURE
CALL HOMEIN ;READ HOME BLOCKS OF STR
JRST RESTRT ;ON AN ERROR, GO BACK TO PROMPT
MOVE T1,BITMSK ;MASK OF BIT TO CHANGE
MOVEM T1,HOMARG+.MSHMK ;ONLY THIS BIT ALLOWED
MOVE T1,BITVAL ;GET STATE OF BIT
MOVEM T1,HOMARG+.MSHVL ;VALUE TO USE FOR FLAG
HRROI T1,STRNAM ;POINTER TO STRUCTURE NAME
MOVEM T1,HOMARG+.MSHNM
MOVEI T1,HOMFLG ;WORD TO MODIFY
MOVEM T1,HOMARG+.MSHOF
DMOVE T1,[ XWD 4,.MSHOM
HOMARG] ;SET UP HEADER
MSTR ;MODIFY THE HOME BLOCKS
ERCAL JSERR0 ;REASON FOR FAILURE
JRST RESTRT ;ALL DONE WITH THIS
;ENABLE/DISABLE STRUCTURE FOR DON'T CARE IF DISK PORTED TO UNKNOWN SYSTEM
.DCARE: STKVAR <BITMSK,BITVAL> ;MASK OF BITS TO CHANGE, NEWVALUE
SETOM BITMSK ;THE WHOLE WORD IS USED
MOVE T1,[SIXBIT/DONOCA/];GET THE NAME TO USE
AND T1,ENAFLG ;SEE IF WE ARE SETTING THE FUNCTION
MOVEM T1,BITVAL ;REMEMBER ENABLE/DIABLE
HRROI T1,[ASCIZ /IF PORTED TO UNKNOWN SYSTEM ON STRUCTURE/]
CALL CMDNOI ;NOISE WORDS
CALL CONFRM ;GET STRUCTURE AND CONFIRM
CALL SETSTR ;SET UP STRUCTURE
CALL HOMEIN ;READ HOME BLOCKS OF STR
JRST RESTRT ;ON AN ERROR, GO BACK TO PROMPT
MOVE T1,BITMSK ;MASK OF BIT TO CHANGE
MOVEM T1,HOMARG+.MSHMK ;ONLY THIS BIT ALLOWED
MOVE T1,BITVAL ;GET STATE OF BIT
MOVEM T1,HOMARG+.MSHVL ;VALUE TO USE FOR FLAG
HRROI T1,STRNAM ;POINTER TO STRUCTURE NAME
MOVEM T1,HOMARG+.MSHNM
MOVEI T1,HOMDCF ;WORD TO MODIFY
MOVEM T1,HOMARG+.MSHOF
DMOVE T1,[ XWD 4,.MSHOM
HOMARG] ;SET UP HEADER
MSTR ;MODIFY THE HOME BLOCKS
ERCAL JSERR0 ;REASON FOR FAILURE
JRST RESTRT ;ALL DONE WITH THIS
;ENABLE/DISABLE PASSWORD ENCRYPTION
.PSENC: STKVAR <BITMSK,BITVAL> ;MASK OF BITS TO CHANGE, NEWVALUE
MOVX T1,MS%CRY ;GET PASSWORD ENCRYPTION BIT
MOVEM T1,BITMSK ;SAVE FOR LATER
AND T1,ENAFLG ;SEE IF WE ARE SETTING FUNCTIONALITY
MOVEM T1,BITVAL ;REMEMBER ENABLE/DISABLE
HRROI T1,[ASCIZ /ON STRUCTURE/]
CALL CMDNOI ;NOISE WORDS
CALL CONFRM ;GET STRUCTURE AND CONFIRM
CALL SETSTR ;SET UP STRUCTURE
CALL HOMEIN ;READ HOME BLOCKS OF STR
JRST RESTRT ;ON AN ERROR, GO BACK TO PROMPT
MOVE T1,BITMSK ;MASK OF BIT TO CHANGE
MOVEM T1,HOMARG+.MSHMK ;ONLY THIS BIT ALLOWED
MOVE T1,BITVAL ;GET STATE OF BIT
MOVEM T1,HOMARG+.MSHVL ;VALUE TO USE FOR FLAG
HRROI T1,STRNAM ;POINTER TO STRUCTURE NAME
MOVEM T1,HOMARG+.MSHNM
MOVEI T1,HOMFLG ;WORD TO MODIFY
MOVEM T1,HOMARG+.MSHOF
DMOVE T1,[ XWD 4,.MSHOM
HOMARG] ;SET UP HEADER
MSTR ;MODIFY THE HOME BLOCKS
ERCAL JSERR0 ;REASON FOR FAILURE
JRST RESTRT ;ALL DONE WITH THIS
;EXIT (TO MONITOR)
;USER WANTS TO QUIT. GET CONFIRMATION AND EXIT
.EXIT: HRROI T1,[ASCIZ /TO MONITOR/]
CALL CMDNOI
MOVEI T1,[FLDDB. (.CMCFM)] ;T1/ADDRESS OF FUNCTION DESCRIPTOR BLOCK
CALL COMNDX ;GET CONFIRMATION
ERROR PARSE1,<Invalid command confirmation> ;NO
CALL RESET
JRST QUIT
;FILE-DDT
;USER WISHES TO GET INTO THE ABSOLUTE DISK EDITOR, AND DO SOME MUNGING
.FILDT: CALL FILDTX ;CALL THE REAL ROUTINE
JFCL ; IGNORE ANY ERRORS
JRST PARSE1 ; AND ON WITH THE WORK
FILDTX: HRROI T1,[ASCIZ /THE DISKS/] ;NOISE WORDS
CALL CMDNOI
MOVEI T1,[FLDDB. (.CMCFM)]
CALL COMNDX ; GET THE END OF LINE CONFIRM
ERROR R,<Invalid command confirmation>
MOVX T1,GJ%OLD!GJ%SHT ; SHORT FORM JFN, OLD FILE
HRROI T2,[ASCIZ /SYS:FILDDT.EXE/]
CALL GETFRK
FILDTE: ERROR R,<Run of FILDDT failed>
CALL RUNFRK
JRST FILDTE
RETSKP
RUNFRK: MOVE T1,HANDLE ;GET THE FORK NUMBER
SETZ T2, ;START AT NORMAL ADDRESS
SFRKV ;DO IT.
ERJMP R
WFORK ;WAIT FOR IT TO STOP
ERJMP R
RFSTS ;GET STATUS AND PC OF FORK
LDB T1,[POINTR (T1,RF%STS)]; STATUS CODE
CAIE T1,3 ;FORCED TERMINATION?
JRST RUNFIN ;NO, OK
TMSG <
?Error at PC >
ANDI T2,-1 ;PC ONLY
MOVX T3,NO%LFL!NO%ZRO!<6,,10>
CALL TTNOUT ;TYPE THE NUMBER AS A PC
TMSG <: >
MOVEI T1,.PRIOU
HRLO T2,HANDLE
SETZ T3,
ERSTR ;DO IT
RET
RET
TMSG <
>
RETSKP
RUNFIN: MOVE T1,HANDLE
KFORK
ERJMP .+1
SETZM HANDLE ;DONE
RETSKP
GETFRK: GTJFN ;GET A JFN ON THE FILE
ERJMP R
MOVEM T1,RUNJFN ;SAVE FOR LATER
MOVX T1,CR%CAP ;SET UP BITS TO KEEP CAPABILITIES
CFORK ;CREATE AN INFERIOR
ERJMP R
MOVEM T1,HANDLE ;SAVE THE HANDLE
MOVS T1,T1 ;PUT IN LEFT HALF
HRR T1,RUNJFN ;GET JFN OF THE FILE
GET ;READ IN THE PROG INTO THE FORK
ERJMP R
SETZM RUNJFN ;CLEAR JFN SINCE NO LONGER OURS
RETSKP ;RETURN
;PUSH (JUST LIKE FILDDT, BUT TO THE EXEC
.PUSH: CALL PUSHX
JFCL
JRST PARSE1
PUSHX: HRROI T1,[ASCIZ /TO EXEC LEVEL/]
CALL CMDNOI
MOVEI T1,[FLDDB. (.CMCFM)] ;T1/ ADDRESS OF FDB
CALL COMNDX
ERROR R,<Invalid command confirmation> ;NO. PRINT ERROR
PUSHEN: MOVX T1,GJ%OLD!GJ%SHT
HRROI T2,[ASCIZ /SYSTEM:EXEC.EXE/]
CALL GETFRK
PUSHER: ERROR R,<Push to a new EXEC failed>
CALL RUNFRK ; RUN IT
JRST PUSHER
RETSKP
;HERE FOR AUTO PUSH
APUSH: CALL DOPUSH ;DO THE REAL WORK
DEBRK ;AND RETURN
DOPUSH: SAVET ;SAVE THE TEMP AC'S
TMSG <
[Pushing to a new EXEC]
>
CALL PUSHEN ;PUSH TO EXEC NOW
RET ;RETURN TO CALLER, IGNORE ANY ERRORS
RET
;HELP
;USER WANTS AN EXPLANATION. GET CONFIRMATION AND PRINT HELP TEXT
.HELP: MOVEI T1,[FLDDB. (.CMCFM)] ;T1/ ADDRESS OF FDB
CALL COMNDX ;GET CONFIRMATION
ERROR PARSE1,<Invalid command confirmation> ;NO. PRINT ERROR
MOVX T1,GJ%OLD!GJ%SHT!GJ%IFG ;[79]GET A JFN FOR THE HELP FILE
HRROI T2,[ASCIZ /HLP:CHECKD.HLP/]
GTJFN
JRST [ PNTERR (<GTJFN for the help file failed>)
JRST PARSE1]
MOVEM T1,INJFN ;SAVE THE JFN NUMBER
HRRZ T1,T1 ;[79]
MOVE T2,[7B5!OF%RD] ;READ THE FILE 7 BITS AT A TIME
OPENF
JRST [ PNTERR (<OPENF for the help file (HLP:CHECKD.HLP) failed>)
JRST PARSE1]
HELP1: HRRZ T1,INJFN ;[79] GET JFN FOR INPUT
BIN ;READ THE BYTE
ERJMP HELP2 ; DONE, GO CLEAN UP
MOVE T1,T2 ;MOVE THE BYTE TO ANOTHER AC
PBOUT ; SO WE CAN OUTPUT IT.
JRST HELP1 ;AND LOOP TILL THE END OF THE FILE
HELP2: MOVE T1,INJFN
CLOSF
JRST [ PNTERR (<CLOSF for the help file failed>)
JRST PARSE1]
JRST PARSE1
;REBUILD (BIT TABLE).
;USER WANTS TO REBUILD THE BIT TABLE. GET CONFIRMATION AND SET FLAG
.REBLD: HRROI T1,[ASCIZ /BIT TABLE OF/]
CALL CMDNOI ;NOISE WORDS
CALL CONFRM ;GET STR AND CONFIRM
CALL PSCHK ;CHECK FOR PS:
CALL XMNT ;NOT PS - MUST MOUNT IT
CALL SETSTR ;SET CURRENT STR
SETOM REBLDF ;YES. SET FLAG FOR QDONE CODE
CALL BTBINI ;INIT BITTABLE
CALL QDONE
SKIPN PSFLG ;WAS THIS THE PS:?
JRST RESTRT ;NO - RESTART WHEN DONE
CALL CLRCDE ;YES - CLEAR MONITOR FLAG
JRST RESTRT ;AND RESTART
;ROUTINE TO INIT STRUCTURE BITTABLE
BTBINI: MOVX T1,DA%INI ;T1/INITIALIZE BIT TABLE
MOVE T2,STRDEV ;T2/STRUCTURE NUMBER
DSKAS ;INITIALIZE A PRIVATE COPY OF THE BIT TABLE
JRST [ TMSG<
?Failed to initialize bit table
>
JSERR
SETZM WRTLPF ;don't allow system to come up
JRST RESTRT]
RET ;RETURN
;RECONSTRUCT (ROOT-DIRECTORY)
;USER WANTS TO TRY TO RECOVER A LOST FILE SYSTEM. FIRST COPY THE
;BACKUP COPY OF THE ROOT-DIRECTORY AND THEN REBUILD THE BITTABLE.
.RECNS: MOVEI T1,[FLDDB.(.CMKEY,,RECTAB)] ;SECONDARY KEYTABLE
CALL COMNDX
ERROR PARSE1,<Not a valid RECONSTRUCT option>
HRRZ T1,(T2) ;GET DISPATCH
JRST (T1) ;PROCESS
; TABLE OF OPTIONS FOR RECONSTRUCTION
RECTAB: 2,,2
TB (.RECIT,INDEX-TABLE)
TB (.RECRD,ROOT-DIRECTORY)
; RECONSTRUCT ROOT-DIRECTORY
.RECRD: HRROI T1,[ASCIZ /OF/]
CALL CMDNOI ;PRINT GUIDE WORDS
CALL CONFRM ;GET STRUCTURE AND CONFIRM
CALL PSCHK ;IS THIS THE PRIMARY PUBLIC STR
SKIPA ;NO - MUST GET EXCLUSIVE ACCESS
ERROR PARSE1,<Cannot reconstruct PS: during time-sharing>
SETZM OKFLG ;OK IF ON-LINE (MSG LATER)
CALL FNDSTR ;FIND STRUCTURE (SET UP MNTBLK)
JRST PARSE1 ;REASON ALREADY GIVEN
JUMPL T1,[ERROR PARSE1,<Cannot reconstruct mounted structure>]
CALL STRDEF ;SET UP DEFAULTS
HRROI T1,[ASCIZ /CHECKD/]
MOVEM T1,MNTBLK+.MSIAL ;SET UP ALIAS
MOVX T1,MS%XCL+<FLD(.MSRRD,MS%FCN)> ;FCN FOR RECONSTRUCT
CALL STRINI ;INIT STRUCTURE
JRST PARSE1 ;FAILURE
TMSG <[Reconstruction phase 1 complete]
>
CALL SETSTR ;SET CURRENT STRUCTURE
SETOM REBLDF ;FLAG FOR QDONE REBUILD
CALL BTBINI ;INIT BITTABLE
CALL QDONE ;SCAN DIRECTORIES
JRST RESTRT ;RESTART PROGRAM
; RECONSTRUCT INDEX-TABLE
.RECIT: HRROI T1,[ASCIZ /OF/]
CALL CMDNOI ;PRINT GUIDE WORDS
CALL CONFRM ;GET STRUCTURE AND CONFIRM
CALL PSCHK ;IS THIS THE PRIMARY PUBLIC STR
SKIPA ;NO - MUST GET EXCLUSIVE ACCESS
ERROR PARSE1,<Cannot reconstruct PS: during time-sharing>
SETOM OKFLG ;ASK ABOUT DISMOUNTING IF NOW MOUNTED
CALL FNDSTR ;FIND STRUCTURE (SET UP MNTBLK)
JRST PARSE1 ;REASON ALREADY GIVEN
JUMPL T1,[ERROR PARSE1,<Cannot reconstruct mounted structure>]
CALL STRDEF ;SET UP DEFAULTS
HRROI T1,[ASCIZ /CHECKD/]
MOVEM T1,MNTBLK+.MSIAL ;SET UP ALIAS
MOVX T1,MS%XCL+<FLD(.MSRIX,MS%FCN)> ;FCN FOR RECONSTRUCT
CALL STRINI ;INIT STRUCTURE
JRST PARSE1 ;FAILURE
TMSG <[Reconstruction complete]
>
JRST RESTRT ;DONE
;RELEASE (LOST PAGES)
;USER WANTS TO RELEASE LOST PAGES. THESE ARE PAGES MARKED IN THE BIT
;TABLE AS USED AND NOT POINTED TO BY ANY FILE. A PREVIOUS CALL TO
;CHECKD HAS PRODUCED A FILE OF THESE PAGES. GET CONFIRMATION AND SET
;FLAGS AS NEEDED
.RLEAS: STKVAR<DSKAD2,SAVCHN>
HRROI T1,[ASCIZ /LOST PAGES FROM/]
CALL CMDNOI ;PRINT NOISE WORDS
MOVE T1,[RLSGTJ,,GTJBLK] ;COPY SPECIAL JFN BLOCK TO COMND'S JFN
BLT T1,GTJBLK+.GJJFN-1 ; BLOCK TO SPECIFY DEFAULT FILE
CALL GETCON ;SET UP CONNECTED STR
HRROI T1,DIRNAM ;BUILD DEFAULT FILESPEC
HRROI T2,STRNAM
MOVEI T3,0
SOUT
MOVEI T2,"-"
IDPB T2,T1
HRROI T2,[ASCIZ "LOST-PAGES"]
SOUT ;STR:STR-LOST-PAGES.BIN
MOVEI T1,[FLDDB.(.CMFIL)] ;T1/ADDRESS OF FUNCTION DESCRIPTOR BLOCK
CALL COMNDX ;GET INPUT FILE SPEC, DEFAULTING TO LOST-PAGES.BIN
JRST [ CALL COMNDE ;ERROR, TYPE MESSAGE
JRST PARSE1]
HRRZM T2,INJFN ;YES. SAVE THE FILE'S JFN
CALL FCNFRM ;(FOR) STR: & CONFIRM
CALL PSCHK ;OK IF PS
CALL XMNTA ;MOUNT IF NOT ON LINE
CALL SETSTR ;SET CURRENT STRUCTURE
MOVE T1,INJFN ;get JFN of x-LOST-PAGES.BIN
MOVEI T2,T4 ;want to put date in T4
MOVEI T3,1 ;only want internal write date
RFTAD ;get file's write date
ERJMP [ PNTERR(<Failed to get last write date>)
MOVE T1,INJFN ;get the JFN back
RLJFN ;release it
JFCL ;don't care about errors
JRST PARSE1] ;return
GTAD ;get current date and time
CAMN T1,[-1] ;system date and time set?
JRST [ HRROI T1,[ASCIZ/% System date and time not set. Do you want to continue anyway? /] ;no, build a prompt
CALL YESNO ;get either a YES or a NO
JUMPE T1,PARSE1 ;if "NO", return
JRST RLEAS1] ;if "YES", go ahead and do stuff anyway
SUBI T1,2*25253 ;subtract 2 hours
CAMG T1,T4 ;within range?
JRST RLEAS1 ;yes, go ahead and do stuff
HRROI T1,[ASCIZ/% File is more than 2 hours old, do you want to continue anyway? /] ;build a new prompt
CALL YESNO ;get either a YES or a NO
JUMPE T1,PARSE1 ;if "NO", go back to CHECKD>
;if "YES", fall thru...
RLEAS1: MOVE T1,INJFN ;T1/JFN FOR INPUT FILE
MOVE T2,[44B5+1B19]
OPENF ;OPEN THE INPUT FILE
JRST [ PNTERR(<Failed to open lost pages file>)
MOVE T1,INJFN ;T1/JFN OF INPUT FILE
RLJFN ;RELEASE THE JFN
JFCL ;IGNORE FAILURE
JRST PARSE1] ;GO START PARSE AGAIN
CALL LPFCHK ;CHECK FILE FORMAT
JRST [ MOVE T1,INJFN ;INPUT JFN
RLJFN ;FLUSH IT
JFCL
JRST RESTRT] ;FORGET IT
SETZM LOSTOT ;CLEAR COUNT
;READ DISK ADDRESSES FROM FILE. EACH ADDRESS IS A SECTOR NUMBER RELATIVE
;TO START OF STRUCTURE. DEASSIGN VIA DSKAS JSYS.
RLSPG1: MOVE T1,INJFN ;T1/JFN OF INPUT FILE
BIN ;READ ONE ADDRESS
ERJMP RLSPG2 ;ERROR OR EOF
JUMPE T2,[TMSG <% Zero word -- ignored
>
JRST RLSPG1]
MOVE T1,T2 ;T1/SECTOR NUMBER
MOVEM T1,DSKAD2
TXO T1,DA%DEA
MOVE T2,STRDEV ;T2/STRUCTURE NUMBER
DSKAS
JRST [ TMSG <%Failed to deassign lost page at disk address >
MOVE T2,DSKAD2 ;T2/FAILING ADDRESS
MOVEI T3,10 ;T3/OCTAL RADIX
CALL TTNOUT ;PRINT THE ADDRESS THAT FAILED
MOVEI T1,.FHSLF ;this process
GETER ;get last error
ERJMP .+1 ;shouldn't happen
HRRZS T2 ;error number only
CAIE T2,DSKX06 ;Invalid disk address?
JRST RLSPG1 ;no, ignore the failure
JSERR ;yes, write why we failed
JRST RLSPG2] ;quit before we totally destroy the pack
AOS LOSTOT ;COUNT SUCCESS
JRST RLSPG1 ;LOOP UNTIL EOF
;COME HERE ON ERROR OR END OF FILE - CHECK WHICH
RLSPG2: MOVE T1,INJFN
GTSTS ;GET FILE STATUS
TXNN T2,GS%EOF
JRST [ TMSG <?Error while reading >
MOVEI T1,.PRIOU
MOVE T2,INJFN
MOVEI T3,0
JFNS ;PRINT FILE NAME
TMSG < , Aborting...
>
JRST .+1]
TMSG < Released >
MOVEI T1,.PRIOU
MOVE T2,LOSTOT
MOVEI T3,^D10
NOUT ;TELL HOW MANY
JFCL
TMSG < pages
>
HRRZ T1,INJFN ;GET JFN BACK
SETZM T2 ;DELETE ALL GENERATIONS OF
DELNF ; THE LOST PAGES FILE
JSERR
HRRZ T1,INJFN
CLOSF
JFCL
JRST RESTRT ;DONE - RESTART
;SCAN (FOR DISK ADDRESSES FROM FILE) FILE-SPECIFICATION
;USER WANTS TO SEARCH A FILE CONTAINING DISK ADDRESSES THAT ARE ASSIGNED
;TO MORE THAN ONE FILE. EACH TIME A FILE IS FOUND TO POINT TO ONE OF THESE
;ADDRESSES A MESSAGE WILL BE PRINTED. GET THE NAME OF THE FILE TO BE
;READ AND CONFIRMATION. SET FLAGS AS NEEDED.
.SCAN: HRROI T1,[ASCIZ /FOR DISK ADDRESSES IN/]
CALL CMDNOI ;PRINT NOISE WORDS
MOVEI T1,[FLDDB.(.CMIFI)] ;T1/ADDRESS OF FDB
CALL COMNDX ;GET FILE TO SCAN
JRST [ CALL COMNDE ;ERROR, REPORT AND START OVER
JRST PARSE1]
HRRZM T2,DAJFN ;YES. SAVE THE JFN
CALL FCNFRM ;GET STR AND CONFIRM
CALL PSCHK ;OK IF PS:
CALL XMNTA ;MOUNT IF NOT ONLINE
CALL SETSTR ;SET CURRENT STR
SETOM CHKFLF ;YES. SET FLAG FOR QDONE CODE
MOVE T1,DAJFN ;T1/JFN
MOVE T2,[XWD 70000,200000]
OPENF
JRST [ PNTERR(<Failed to open specified file>)
MOVE T1,DAJFN
RLJFN
JFCL
JRST PARSE1]
MOVSI P1,-DASIZ
;READ EACH ADDRESS AND STORE 2 WORDS PER ADDRESS:
;1) SOFTWARE ADDRESS
;2) GIVEN ADDRESS
RDDALP: MOVE T1,DAJFN
CALL RDLIN ;READ ONE ADDRESS
MOVE T1,[POINT 7,LINBUF]
SETZ Q1, ;ASSUME SOFTWARE ADDRESS
RDDL1: ILDB T2,T1
CAIN T2," " ;FLUSH SPACES
JRST RDDL1
CAIE T2,"Z"-100 ;EOF?
CAIN T2,0
JRST RDDAW ;YES, DONE
CAIN T2,"H" ;HARDWARE ADDRESS?
JRST [ SETO Q1, ;YES
JRST RDDL1]
CAIN T2,"S" ;SOFTWARE ADDRESS?
JRST [ SETZ Q1, ;YES
JRST RDDL1]
CAIL T2,"0" ;OCTAL DIGIT?
CAILE T2,"7"
JRST [ TMSG <?Octal number required.
>
JRST RDDALP] ;TRY AGAIN
BKJFN ;BACKUP THE POINTER OVER FIRST DIGIT
JFCL
MOVEI T3,^D8 ;READ NUMBER IN OCTAL
NIN
JRST [ JSERR
TMSG <?Octal number required.
>
JRST RDDALP]
MOVE T1,T2
MOVEM T1,DATAB+1(P1) ;STORE GIVEN ADDRESS
SKIPE Q1 ;USE GAVE SOFTWARE ADDRESS?
JRST [ TXO T1,DA%CNV+DA%HWA
MOVE T2,STRDEV ;T2/STRUCTURE NUMBER
DSKAS ;NO, CONVERT
JSERR
JRST .+1]
MOVEM T1,DATAB(P1) ;STORE SOFTWARE ADDRESS
AOBJN P1,.+1
AOBJN P1,RDDALP
TMSG <?Table full.
>
;REACHED END OF FILE. EACH ADDRESS HAS BEEN WRITTEN IN 2 FORMS IN THE
;DATAB ARRAY. STORE AOBJN POINTER TO DATAB IN DALIST.
RDDAW: HLRES P1 ;NEGATIVE OF SPACE REMAINING
MOVNS P1 ;SPACE REMAINING
SUBI P1,DASIZ ;NEGATIVE OF SPACE USED
HRLZM P1,DALIST ;(-SPACE USET4,,0)
MOVE T1,DAJFN ;T1/JFN FOR INPUT FILE
CLOSF ;CLOSE THE FILE
JFCL ;IGNORE FAILURE
CALL QDONE ;NO MORE QUESTIONS
JRST RESTRT ;DONE - RESTART
;SHOW COMMAND
;SHOW KEYWORD TABLE
SHWTAB: XWD SHWSIZ,SHWMAX
TB (.SHWBP,BOOT-PARAMETERS)
SHWSIZ=.-SHWTAB-1
SHWMAX=SHWSIZ
.SHOW: HRROI T1,[ASCIZ/INFORMATION FOR/]
CALL CMDNOI
MOVEI T1,[FLDDB.(.CMKEY,,SHWTAB,,,)]
CALL COMNDX
ERROR PARSE1,<Not a valid topic>
HRRZ T1,(T2) ;GET DISPATCH
JRST (T1) ;PROCESS
;SHOW BOOT-PARAMETERS
ON: ASCIZ/ON /
OFF: ASCIZ/OFF/
.SHWBP: HRROI T1,[ASCIZ /FOR STRUCTURE/]
CALL CMDNOI ;NOISE WORDS
CALL CONFRM ;Get structure name and confirm
CALL STSTRN ;SETUP STRUCTURE DATA
CALL HOMEIN ;READ HOME BLOCKS OF FIRST PACK
JRST RESTRT ;BAD BLOCKS
MOVE P6,BATBUF+HOMBTF ;Get existing bits
HRROI T1,[ASCIZ/
BOOT will /]
PSOUT
HRROI T1,[ASCIZ/READ parameters
/]
TXNN P6,BT%RPM ;Are parameters to be read?
HRROI T1,[ASCIZ/IGNORE parameters
/]
PSOUT
HRROI T1,[ASCIZ/ BOOT PARAMETERS:
/]
PSOUT
HRROI T1,[ASCIZ/ PROCEED on dump errors
/]
TXNE P6,BT%HOD
HRROI T1,[ASCIZ/ HALT on dump errors
/]
PSOUT
JRST RESTRT
;HERE TO DISPLAY THE STATUS OF THE KNOWN SWITCHES
.STATU: HRROI T1,[ASCIZ /OF CHECKD SWITCHES/]
CALL CMDNOI ;TYPE THE NOISE ON THE USER
MOVEI T1,[FLDDB. (.CMCFM)]
CALL COMNDX ;GET A CONFIRMATION
ERROR PARSE1,<Invalid command confirmation> ;NO. PRINT ERROR
TMSG <
CHECKD switch settings at >
MOVEI T1,.PRIOU ;ON THE TTY
SETO T2, ;CURRENT DATE AND TIME
MOVX T3,OT%DAY!OT%FDY!OT%FMN!OT%4YR!OT%DAM!OT%SPA!OT%NSC!OT%12H!OT%TMZ!OT%SCL
ODTIM
TMSG <
>
HRROI T1,[ASCIZ /BAT block entry deletion/]
MOVE Q1,BATFLG
CALL STATIT ; OUTPUT THE STATUS
HRROI T1,[ASCIZ /Soft disk read error inclusion/]
MOVE Q1,SOFTFL
CALL STATIT
HRROI T1,[ASCIZ /ECC disk read error inclusion/]
MOVE Q1,ECCFLG
CALL STATIT
JRST PARSE1
STATIT: PSOUT
SKIPE Q1
JRST [ TMSG < is enabled.
>
RET]
TMSG < is disabled.
>
RET
;HERE TO VERIFY THE SWAP SPACE ON A DISK, OR THE ENTIRE DISK.
;USE THE VALUE OF BATFLG TO DECEIDE IF WE SHOULD ALLOW DELETION
;OF ENTRIES IN THE BAT BLOCKS, BUT ALWAYS ASK ABOUT ADDING THEM.
;DURING THE BAT BLOCK SCAN, SYSBTB IS USED AS A ORDERED PAIR
;LIST OF ALL THE BAT BLOCKS WE HAVE SEEN.
.VERIF: STKVAR <VDSKFL>
HRROI T1,[ASCIZ /DISK SURFACE FOR/]
CALL CMDNOI ;OUT THE NOISE WORDS
MOVEI T1,[FLDDB.(.CMKEY,,VETAB)]
CALL COMNDX ;PARSE NEXT WORDS..
ERROR PARSE1,<not a CHECKD command>
HRRZ T1,(T2) ;GET TABLE ADDR
JRST (T1) ;DISPATCH TO THE ROUTINE.
VETAB: XWD VESIZ,VEMAX
TB (.VEDSK,FILE-SYSTEM) ;VERIFY ALL OF DISK SURFACE
TB (.VESWP,SWAPPING) ;VERIFY ALL OF SWAP SPACE
VESIZ=.-VETAB-1
VEMAX=VESIZ
.VEDSK: TDZA T1,T1 ; 0==> ALL OF DISK
.VESWP: SETO T1, ; 1==> ONLY SWAP SPACE
MOVEM T1,VDSKFL ;SAVE THE FLAG FOR LATER
HRROI T1,[ASCIZ /ON STRUCTURE/]
CALL CMDNOI ;OUT THE NOISE
CALL CONFRM ;GET STR AND CONFIRM
CALL PSCHK ;SEE IF WE ARE ON PS?
CALL XMNT ;EXCLUSIVE MOUNT OF STRUCTURE IF NOT PS
CALL SETSTR ;SET UP THE STRUCTURE
CALL HOMEIN ;READ HOME BLOCKS FOR FIRST PACK
JRST RESTRT ;ERROR, PUNT THIS COMMAND
CALL BATIN ;READ THE BAT BLOCKS IN
SETZM SYSBTB ;CLEAR TABLE FOR BAT BLOCKS
MOVEI T1,BPRBLK ;POINT TO FIRST PAIR OF BAT BLOCK PAIRS
MOVEI T3,MAXPR ;TOTAL NUMBER OF ENTRIES
SETZ T2, ;CLEAR COUNTER
VERLO2: MOVE Q1,0(T1) ;GET FIRST WORD OF PAIR
TXZ Q1,ADRMSK
JUMPE Q1,VERCO1 ;IF 0, END OF THE LIST
ADD T2,1(T1) ;ADD IN UPPER END OF RANGE
SUB T2,Q1 ;SUBTRACT LOWER BOUND, AND ADD 1 TO ADJUST FOR
ADDI T2,1 ;COUNT, RATHER THAN RANGE
ADDI T1,4 ;DO THE NEXT PAIR OF WORDS
SOJG T3,VERLO2 ;AND LOOP TILL WE HAVE DONE THEM ALL
VERCO1: TMSG <There are >
MOVEI T3,^D10
CALL TTNOUT
TMSG < sectors marked as bad in the BAT blocks.
>
MOVE T1,PAGCYL ;NUMBER OF PAGES PER CYLINDER
CAIGE T1,^D100 ;IS IT LESS THAN THE AMOUNT WE ARE WILLING
JRST .+3 ;YES, THATS THE NUMBER WE WANT
LSH T1,-1 ;READ HALF AS MUCH
JRST .-3 ;SEE IF THIS FITS
MOVEM T1,MAXRED ;SAVE NUMBER OF PAGES TO READ
SKIPE VDSKFL ; ARE WE DOING THE ENTIRE DISK?
JRST VERSWP ;NO, JUST THE SWAP SPACE
JRST VERFIL ;YES, GO DO THE FILE SPACE
; HERE TO VERIFY AN ENTIRE STRUCTURE, AND REPORT ANY DIFFERENCES
; BETWEEN THE BAT BLOCK, AND WHAT WE FIND
VERFIL: MOVE T1,NPACKS ;GET THE NUMBER OF PACKS
IMUL T1,SECUNT ;CALCULATE THE NUMBER OF SECTORS IN STRUCTURE
MOVEM T1,LSTSEC ;AND SAVE THE COUNT FOR LATER
SETZM FSTSEC ;START AT SECTOR 0
CALL VERSCN ;SCAN THE DISK
; HERE AFTER THE DISK OR SWAP SPACE HAS BEEN GONE OVER
VERCO3: MOVEI T1,SYSBTB ;POINT TO FIRST PAIR OF BAT BLOCK PAIRS
SETZ T2, ;CLEAR COUNTER
VERLO1: MOVE T3,0(T1) ;GET FIRST WORD OF PAIR
TXZ T3,ADRMSK
JUMPE T3,VERCO2 ;CONTINUE, WE ARE ALL DONE IF IT IS 0
ADD T2,1(T1) ;ADD IN UPPER END OF RANGE
SUB T2,T3 ;SUBTRACT LOWER BOUND, AND ADD 1 TO ADJUST FOR
ADDI T2,1 ;COUNT, RATHER THAN RANGE
ADDI T1,4 ;DO THE NEXT PAIR OF WORDS
SOJG T3,VERLO1 ;AND LOOP TILL WE HAVE DONE THEM ALL
VERCO2: TMSG <Disk scan found >
MOVEI T3,^D10
JUMPE T2,[TMSG <no>
JRST .+2] ; INIDICATE NO ERRORS
CALL TTNOUT
TMSG < bad sectors.
>
JRST BATWRK ; GO TO THE EDITOR
;HERE TO SCAN A DISK LOOKING BETWEEN FSTSEC AND LSTSEC FOR A BAD PAGE
; FOR THE FUTURE, ADD CODE TO READ MORE THAN A PAGE AT A TIME (MAXRED),
; AND GO BACK AND SINGLE STEP PAGES IF THERE IS AN ERROR.
VERSCN: MOVE P1,FSTSEC ;SET THE STARTING LOCATION
VERLO3: CALL READCK ;READ THE BLOCK, AND SEE IF IT IS GOOD
CALL MARKCK ;MARK THAT FACT
ADD P1,SECPAG ;GO TO NEXT SECTOR, PLEASE
MOVEM P1,BATLST ;SAVE LAST BLOCK WE LOOKED AT
CAMGE P1,LSTSEC ; PAST THE END?
JRST VERLO3 ;NO, LOOP FOR MORE
RET ;ALL DONE
; Here to verify the swap space for each unit in the structure.
; We have to go and get the home blocks on each unit, and verify that they all
; have the swap space. In the normal case, each unit will have exactly the
; same amount of swap space, and it will start at the save relative position
; on each unit, but places like Stanford insist on building kludge types of
; PS's, with three units and swap space on the first two only. So go and get
; the pages for each unit, and if they try to build funny disks, we will not
; step on them.
VERSWP: MOVE Q3,NPACKS ; THE NUMBER OF UNITS THAT HAVE SWAP SPACE
SETZ Q2, ; THE NUMBER OF THE UNIT WE ARE WORKING ON
VERSW1: MOVE Q1,SECUNT ; GET SIZE OF EACH UNIT
IMUL Q1,Q2 ; AND GET THE START OF THIS UNIT
MOVEI T1,1 ; NUMBER OF THE FIRST HOME BLOCK
ADD T1,Q1 ; ADD IN THE OFFSET
CALL GETHOM ; AND READ IT IN.
JRST [ MOVEI T1,12 ; FAILURE, SO TRY FOR THE SECOND ONE
ADD T1,Q1
CALL GETHOM
ERROR PARSE1,<Could not read the home blocks>
JRST .+1] ; BACK TO THE MAIN LINE OF CODE
CALL HOMIN1 ; ENTER THE HOME BLOCK VERIFICATION CODE AFTER
; WE HAVE SET UP THE HOME BLOCK ON UNIT X
ERROR PARSE1,<Home blocks appear to have garbage in them>
ADD Q1,FSSUN ; ADD IN THE OFFSET OF THE SWAP SPACE
MOVEM Q1,FSTSEC ; AND RECORD IT AS THE PLACE TO START
ADD Q1,NSSUN ; ADD THE LENGTH OF THE SWAP SPACE
MOVEM Q1,LSTSEC ; AND THAT IS THE PLACE TO STOP
MOVEM Q2,THSUNI ; RECORD THE UNIT NUMBER FOR PRYING EYES
CALL VERSCN ; AND SCAN THAT PART OF THE DISK
AOS Q2 ; ON TO THE NEXT UNIT
SOJG Q3,VERSW1 ; GO OVER ALL THE UNITS
JRST VERCO3 ; JOIN THE COMMON CODE
; HERE TO DO THE WORK OF EDITING THE BAT BLOCKS
BATWRK: SETZM BATLST ; CLEAR THE SCAN INDICATOR
CALL PARSEI
BATEDI: HRROI T1,BATPRM ; GET THE PROMPT
CALL CMDINI ; AND SAY HELLO
MOVEI T1,[FLDDB.(.CMKEY,,BATTAB)]
CALL COMNDX ; GETS THE COMMAND
ERROR BATEDI,<Not a BAT block edit command>
HRRZ T1,(T2) ; GET DISPATCH ADDR
JRST (T1) ; GO TO IT.
BATPRM: ASCIZ /BAT-EDIT>/
BATTAB: BATTAL,,BATTAL
TB (.BATAD,ADD) ; ADD TO THE BAT BLOCK
TB (.BATDE,DELETE) ; DELETE FROM THE BAT BLOCKS
TB (.BATEX,EXIT) ; EXIT AND WRITE NEW BLOCKS
TB (.EFILD,FILE-DDT) ; CALL THE DISK EDIT PROGRAM
TB (.BATLI,LIST) ; LIST STATUS OF KNOWN PAGES
TB (.EPUSH,PUSH) ; CALL THE EXEC FOR LATER
TB (.BATQU,QUIT) ; GIVE UP, LEAVE BAT BLOCKS ALONE
BATTAL==.-BATTAB-1
; here to exit and update the bat blocks
.BATEX: HRROI T1,[ASCIZ /TO CHECKD COMMAND LEVEL AFTER UPDATING THE BAT BLOCKS/]
CALL CMDNOI ; BITCH AT THE LOSER
MOVEI T1,[FLDDB. (.CMCFM)]
CALL COMNDX ; GET THE END OF THE LINE
ERROR BATEDI,<Invalid command confirmation>
SETZ P1, ; FIRST SECTOR TO START AT
MOVE P2,SECUNT ; SIZE OF FIRST PACK IN DISK
MOVE P3,NPACKS ; NUMBER OF PACKS TO GO OVER
BATEX1: CALL BATBLD ; BUILD BAT BLOCK FOR THIS UNIT
JRST [ TMSG <%Error, bat blocks not written; too many entries to add.>
JRST BATEDI]
ADD P1,SECUNT ; START AT BEGINNING OF NEXT PACK
ADD P2,SECUNT
SOJG P3,BATEX1 ; LOOP OVER ALL PACKS
; HERE, AND WE CAN WRITE THE BLOCKS, BECAUSE WE KNOW THE WILL FIT
SETZ P1, ; SAME AS LAST TIME
MOVE P2,SECUNT
MOVE P3,NPACKS
BATEX2: CALL BATBLD ; BUILD THE BLOCKS
JRST [ TMSG <?Error on second pass of building bat blocks>
JRST BATEDI]
CALL BATWRT ; AND WRITE THEM IN BOTH PLACES
JRST [ TMSG <?Error writing bat blocks to disk, write is aborted.
%The bat blocks may be inconsistent at this time.
>
JRST BATEDI]
ADD P1,SECUNT
ADD P2,SECUNT
SOJG P3,BATEX2 ; LOOP OVER ALL PACKS
SETZM SYSBTB ; Never allow EXIT to copy old BAT entries.
JRST RESTRT ; DONE, BACK FOR MORE
; HERE TO BUILD THE BAT BLOCK FOR A GIVIN DISK
; (P1) = LOWER BOUND
; (P2)-1 = UPPER BOUND
; (NPACKS)-(P3) = UNIT NUMBER
; BLOCKS ARE BUILT IN PT
BATBLD: SETZM PT ; CLEAR AREA TO BUILD BLOCK IN
MOVE T1,[PT,,PT+1]
BLT T1,PT+777 ; CLEAR THE DISK AREA
MOVSI T1,(SIXBIT /BAT/)
MOVEM T1,PT+BATNAM ; SET THE NAME (SIXBIT BAT IN FIRST WORD)
MOVE T1,[CODE]
MOVEM T1,PT+BATCOD ; SET SPECIAL CODE TO LOOK FOR
MOVEI T1,BPRBLK ; POINT TO THE FIRST WORD
MOVEI T2,PT+4 ; START OF ENTRIES TO BUILD
SETZ Q2, ; CLEAR COUNT OF NUMBER FOUND
SKIPA
BATBL9: ADDI T1,4 ; POINT TO NEXT ENTRY
SKIPN Q1,(T1) ; GET THE FIRST ADDRESS
JRST BATBL3 ; IT WILL BE 0 AT END OF THE LIST
TXNN Q1,BT%MAP ; WAS IT DONE BY THE MAPPER?
JRST BATBL9 ; NO, LOOP FOR MORE
TXZ Q1,ADRMSK ; CLEAR ANY FLAG BITS WE DON'T NEED
CAML Q1,P1 ; LESS THAN LOWER BOUND?
CAML Q1,P2 ; NO, IS IT LESS THAN UPPER BOUND?
JRST BATBL9 ; FAILS, LOOP FOR THE NEXT ONE
DMOVE T3,2(T1) ; GET THE REAL WORDS
DMOVEM T3,(T2) ; AND WRITE THE PAIR
AOS Q2 ; COUNT THE NEW ENTRY
ADDI T2,2 ; UPDATE THE POINTER
JRST BATBL9 ; AND GET THE NEXT ONE
; HERE AFTER WE ARE DONE ADDING THE HARDWARE TYPE ENTRIES, SO SEE IF WE
; HAVE TOO MANY OR WHAT...
BATBL3: CAILE Q2,MAXPAR ; DID WE GET TOO MANY?
RET ; YES, ERROR RETURN
MOVEI T3,PT ; BASE OF TABLE
STOR Q2,BTHCT,(T3) ; SAVE THE NUMBER WE ADDED
MOVEI T1,BPRBLK ; POINT TO THE FIRST WORD
SETZ Q3, ; CLEAR COUNT OF NUMBER FOUND
SKIPA
BATBL4: ADDI T1,4 ; POINT TO NEXT ENTRY
SKIPN Q1,(T1) ; GET THE FIRST ADDRESS
JRST BATBL5 ; IT WILL BE 0 AT END OF THE LIST
TXNN Q1,BT%ANG!BT%WBM!BT%FND ; DID WE GET IT THERE
JRST BATBL4 ; NO, LOOP FOR MORE
TXZ Q1,ADRMSK ; CLEAR ANY FLAG BITS WE DON'T NEED
CAML Q1,P1 ; LESS THAN LOWER BOUND?
CAML Q1,P2 ; NO, IS IT LESS THAN UPPER BOUND?
JRST BATBL4 ; FAILS, LOOP FOR THE NEXT ONE
DMOVE T3,2(T1) ; GET THE REAL WORDS
DMOVEM T3,(T2) ; AND WRITE THE PAIR
AOS Q3 ; COUNT THE NEW ENTRY
ADDI T2,2 ; UPDATE THE POINTER
JRST BATBL4 ; AND GET THE NEXT ONE
; HERE AND Q2= MAPPER COUNT, Q3= WRITTEN BY MONITOR COUNT
BATBL5: ADD Q2,Q3 ;GET TOTAL OF BLOCKS
CAILE Q2,MAXPAR ;OVER THE TOP ?
RET ;YES, HANG IT UP
SUB Q2,Q3 ;No, assume SOFTFL is on
SKIPN SOFTFL ;SOFT FLAG ON?
JRST BATBL7 ;NO, DON'T WRITE THE ADDRESSES TO BAT BLOCK
MOVEI T1,SYSBTB ;POINT TO THE FIRST WORD
SKIPA ;
BATBL6: ADDI T1,4 ;POINT TO NEXT ENTRY
SKIPN Q1,(T1) ;GET THE FIRST ADDRESS
JRST BATBL7 ;IT WILL BE 0 AT END OF THE LIST
TXNN Q1,BT%ANG!BT%WBM!BT%FND ;DID WE GET IT THERE
JRST BATBL6 ;NO, LOOP FOR MORE
TXZ Q1,ADRMSK ;CLEAR ANY FLAG BITS WE DON'T NEED
CAML Q1,P1 ;LESS THAN LOWER BOUND?
CAML Q1,P2 ;NO, IS IT LESS THAN UPPER BOUND?
JRST BATBL6 ;FAILS, LOOP FOR THE NEXT ONE
DMOVE T3,2(T1) ;GET THE REAL WORDS
PUSH P,T1 ;save table address
MOVE T1,Q1 ;put current address in T1
CALL SEEADR ;AND LOOK FOR THIS ENTRY
JRST BATB10 ;yes it's there, don't add it again
DMOVEM T3,(T2) ;address not found, WRITE THE PAIR
AOS Q3 ;COUNT THE NEW ENTRY
ADDI T2,2 ;UPDATE THE POINTER
BATB10: POP P,T1 ;restore table address
JRST BATBL6 ;AND GET THE NEXT ONE
BATBL7: MOVEI T3,PT ;GET BASE AGAIN
STOR Q3,BTMCT,(T3) ; SAVE THIS FOR LATER
ADD Q2,Q3 ; GET TOTAL OF BLOCKS
CAILE Q2,MAXPAR ; OVER THE TOP ?
RET ; YES, HANG IT UP
MOVEI Q3,MAXPAR ; GET TOTAL ALLOWED
SUB Q3,Q2 ; AND CALCULATE NUMBER FREE
STOR Q3,BATFR,(T3) ; AND SAVE IT IN THE BLOCK
RETSKP ; AND WE WIN FOR THIS BLOCK
; HERE TO WRITE THE BAT BLOCKS TO THE DISK
BATWRT: MOVEI T1,BATBL1 ;get address of sector where BAT block goes
MOVEM T1,PT+BATBLK ;save it in BAT block
MOVE T2,P1 ;number of sectors to get on Nth unit
IMUL T2,TRECPP ;TRECPP/SECPAG = true sectors/sector
IDIV T2,SECPAG ;convert to true sectors
ADD T1,T2 ;add number of sectors to get on Nth unit
TXO T1,<<FLD .DOPSR,DOP%AT>+DOP%SN> ;get flags
MOVEI T2,PGSIZ ;get page size
IDIV T2,TRECPP ;compute number or words to write
TXO T2,DOP%WR+DOP%PS ;write the data and use true physical sectors
MOVEI T3,PT ;address of data
MOVE T4,STRDEV ;get structure device number
DSKOP ;write data to disk
SKIPE T1 ;any errors?
RET ;yes, error, as AC1 .NE. 0
MOVEI T1,BATBL2 ;get address of sector where BAT block goes
MOVEM T1,PT+BATBLK ;save it in BAT block
MOVE T2,P1 ;get number of sectors to get on Nth unit
IMUL T2,TRECPP ;TRECPP/SECPAG = true sectors/sector
IDIV T2,SECPAG ;convert to true physical secotrs
ADD T1,T2 ;add number of sectors to get on Nth unit
TXO T1,<<FLD .DOPSR,DOP%AT>!DOP%SN> ;get flags
MOVEI T2,PGSIZ ;get page size
IDIV T2,TRECPP ;compute number or words to write
TXO T2,DOP%WR+DOP%PS ;write the data and use true physical sectors
MOVEI T3,PT ;address of data
MOVE T4,STRDEV ;get structure device number
DSKOP ;write data to disk
SKIPE T1 ;any errors?
RET ;yes, error, as AC1 .NE. 0
RETSKP ;done!
;HERE TO PUSH TO A NEW EXEC
.EPUSH: CALL PUSHX ; CALL THE REAL ROUTINE
JFCL ; IGNORE ANE ERROR
JRST BATEDI ; BACK TO WORK, PLEASE
;HERE TO CALL FILDDT
.EFILD: CALL FILDTX ;CALL THE REAL ROUTINE
JFCL ; IGNORE ANY ERRORS
JRST BATEDI ; AND ON WITH THE WORK
;HERE TO ADD AN ENTRY TO THE BAT BLOCKS
.BATAD: HRROI T1,[ASCIZ /PAGE NUMBER/]
CALL CMDNOI
MOVEI T1,[FLDDB.(.CMNUM,CM%SDH,10,<Octal number of page to add to BAT block>,0)]
CALL COMNDX
ERROR BATEDI,<Invalid octal number>
MOVE P1,T2
CALL CMDEOL
JRST BATEDI
IMUL P1,SECPAG ; CONVERT TO A SECTOR
SKIPG P1
JRST [ TMSG <%The page number must be greater than 0.
>
JRST BATEDI] ; GET COMMAND AGAIN
MOVE T3,NPACKS
IMUL T3,SECUNT ; GET TOTAL SIZE
CAML P1,T3 ; IS IT SMALL
JRST [ TMSG <%The page number cannot be larger than >
MOVE P1,T3
SUBI P1,1
CALL TYPEP1
TMSG <.
>
JRST BATEDI] ; BACK FOR MORE INPUT
; HERE, AND WE THINK THE NUMBER PASS THE RANGE CHECK
; T2 HAS THE SECTOR NUMBER IN IT
MOVEI T1,BPRBLK ; ADDRESS OF TABLE TO LOOK THRU
CALL BTTBSE ; SEARCH TABLE
JRST BATAD1 ; NO MATCH, OK
TMSG <
%Page >
CALL TYPEP1
TMSG < is already marked in the BAT blocks.
>
JRST BATEDI ; AND GO BACK FOR MORE
;HERE TO DO THE REAL WORK OF ADDING A PAGE ENTRY
BATAD1: MOVEI T1,BPRBLK ; POINT TO THE TABLE, PLEASE
MOVNI T2,MAXPR/2 ; TOTAL NUMBER OF ENTRIES WE ALLOW
CALL BTTBAD ; ADD THIS ENTRY
JRST BATEDI
MOVE Q2,T1 ; KEEP A POINTER TO THIS ENTRY
MOVEI T1,SYSBTB ; LOOK FOR THIS ENTRY IN OUR LIST
MOVX Q1,BT%FND ; ASSUME WE FOUND IT OURSELF
CALL BTTBSE ; SEE IF IT IS THERE
MOVX Q1,BT%ANG ; IF NOT THERE, ANYONES GUESS WHERE ITS FROM
IORM Q1,(Q2) ; FLAG THAT IT IS OURS
TXNE Q1,BT%FND ; CHECK WHICH WAY WE SET IT
JRST [ DMOVE T2,2(T1) ; GET THE CKU FIELDS
JRST .+2]
SETZB T2,T3 ; CLEAR THE CKU IF IT WAS BT%ANG
DMOVEM T2,2(Q2) ; UPDATE THE CKU
MOVEI Q1,2(Q2) ; POINT TO THE CKU FIELD
LOAD T2,ADD27,(Q1) ; GET THE ADDRESS
SKIPE T2 ; SKIP IF IT IS ZERO, AND WE NEED TO FIX IT
JRST BATEDI ; BACK TO THE MAIN LOOP
MOVE T3,SECPAG ; GET PROPER NUMBER OF SECTORS
SUBI T3,1 ; LESS ONE, PER FORMAT OF BAT BLOCKS
STOR T3,BATNB,(Q1) ; SAVE THE LENGTH
SETO T3, ; SET FLAG BITS
STOR T3,BADT,(Q1) ; INDICATE THIS IS THE NEW TYPE OF ENTRY
MOVE T3,P1 ; GET THIS SECTOR NUMBER
IDIV T3,SECUNT ; GET OFFSET FOR THIS UNIT
STOR T4,ADD27,(Q1) ; AND SAVE IN THE WORDS
MOVEI T1,.APRID ;want system serial number
GETAB ;get it
ERJMP .+1 ;shouldn't happen
STOR T1,APRNM,(Q1) ;save it
; T1/ sector number adjusted for unit (used to check unit no)
; T2/ address of units CHANnel, KONtroller, and UNIT block in MNTBLK
; T3/ unit number sector is located on in structure
MOVE T1,P1 ;get a working copy of the sector number
MOVEI T2,MNTBLK+.MSTUI ;address of first word of CHAN,KON,UNIT block
MOVEI T3,1 ;assume unit 1
BATAD3: SUB T1,SECUNT ;subtract number of sectors/unit
JUMPL T1,BATAD2 ;found correct unit?
ADDI T2,.MSTNO ;no, next address of next CHAN,KON,UNIT block
AOS T3 ;bump count of which pack we're on.
CAMLE T3,NPACKS ;see if we're past end of structure
ERROR BATEDI,<Sector too large for this structure>
;error, shouldn't happen!
JRST BATAD3 ;go back and check again
BATAD2: MOVE T1,.MSTCH(T2) ;get channel number
STOR T1,BTKNM,(Q1) ;save channel number
MOVE T1,.MSTUN(T2) ;get unit number
;CONVERT THE UNIT NUMBER TO A BIT PATTERN
ANDI T1,7 ;TRUNCATE UNIT NUMBER TO 3 BITS BECAUSE
;RP20 AND HSC'S CAN HAVE HIGH NUMBERS
MOVEI T2,1 ;BEGIN WITH BIT FOR DRIVE 0
LSH T2,(T1) ;SHIFT PROPER NUMBER OF BITS
STOR T2,BTUNM,(Q1) ;BIT POSITIONING DONE, SAVE UNIT BIT PATTERN
JRST BATEDI ; BACK TO THE MAIN LOOP
;HERE TO DELETE AN ENTRY FROM THE BAT BLOCKS
.BATDE: HRROI T1,[ASCIZ /PAGE NUMBER/]
CALL CMDNOI
MOVEI T1,[FLDDB.(.CMNUM,CM%SDH,10,<Octal number of page to delete from the BAT block>,0)]
CALL COMNDX
ERROR BATEDI,<Invalid octal number>
MOVE P1,T2
CALL CMDEOL
JRST BATEDI
IMUL P1,SECPAG ; CONVERT TO A SECTOR
SKIPG P1
JRST [ TMSG <%The page number must be greater than 0.
>
JRST BATEDI] ; GET COMMAND AGAIN
MOVE T3,NPACKS
IMUL T3,SECUNT ; GET TOTAL SIZE
CAML P1,T3 ; IS IT SMALL
JRST [ TMSG <%The page number cannot be larger than >
MOVE P1,T3
SUBI P1,1
CALL TYPEP1
TMSG <.
>
JRST BATEDI] ; BACK FOR MORE INPUT
; HERE, AND WE THINK THE NUMBER PASS THE RANGE CHECK
; T2 HAS THE SECTOR NUMBER IN IT
SKIPN BATFLG
ERROR BATEDI,<BATBLOCK deletion has not been enabled>
MOVEI T1,BPRBLK
CALL BTTBDE ;DELETE THIS ENTRY IF IT IS THERE
JRST [ TMSG <%Page >
CALL TYPEP1
TMSG < is not marked in the bat blocks.
>
JRST BATEDI]
JRST BATEDI ; BACK FOR MORE INPUT
;HERE TO JUST QUIT THE BAT BLOCK EDITOR
.BATQU: HRROI T1,[ASCIZ /FROM THE EDITOR, DON'T UPDATE THE DISK/]
CALL CMDNOI ; GIVE THE NOISE TO THE USERS
MOVEI T1,[FLDDB.(.CMCFM)]
CALL COMNDX ; GET THE CONFIRMATION
ERROR BATEDI,<Invalid command confirmation>
JRST RESTRT ; RESTART THE WORLD.
;HERE TO LIST THE INFORMATION WE HAVE ABOUT BAT BLOCKS
.BATLI: HRROI T1,[ASCIZ /BAT BLOCK INFORMATION/]
CALL CMDNOI ; TYPE THE NOISE
MOVEI T1,[FLDDB.(.CMCFM)]
CALL COMNDX ; GET CONFORMATION
ERROR BATEDI,<Invalid command confirmation>
TMSG <
The following pages are marked in the BAT blocks:
>
MOVEI Q1,BPRBLK ; POINTER TO LIST
SETZM BATTYF ; CLEAR HEADER FLAG
BATLI1: SKIPN T1,(Q1) ; GET NEXT ENTRY IN LIST
JRST BATLIR
TXZ T1,ADRMSK ; BLANK OUT ANY EXTRA BITS
JUMPE T1,BATLIR
CALL BATTYP ; TYPE THIS BAT ENTRY
ADDI Q1,4
JRST BATLI1
BATLIR: TMSG <
>
SKIPE BEMFLG ;ONLY GO ON IF WE HAVE SOME GOOD INFO
JRST BATEDI
TMSG <The following pages are marked in the bat blocks, but were read
without errors.
>
SETZM BATTYF ; CLEAR HEADER FLAG
MOVEI Q1,BPRBLK ; GET THE REAL BAT BLOCK LIST
BATLI2: SKIPN P1,(Q1) ; GET NEXT ENTRY, PLEASE
JRST BATLIN ; END OF LIST, WE ARE DONE HERE
TXZ P1,ADRMSK
JUMPE P1,BATLIN
BATLI3: MOVEI T1,SYSBTB ; POINT TO THE BAT LIST AGAIN
CALL BTTBSE ; AND LOOK FOT THIS ENTRY
JRST [ PUSH P,T1 ; SAVE THE T1 REG
CALL BATTYP ; AND TYPE THE ENTRY, PLEASE
POP P,T1 ; PUT T1 BACK
JRST .+1] ; AND RETURN
ADD P1,SECPAG ; BUMP THE POINTER UP SOME
CAMG P1,1(T1) ; SEE IF IT IS PAST THE END, PLEASE
JRST BATLI3 ; NO, SEE IF IT IS HIDDEN
ADDI Q1,4 ; GO TO THE NEXT ENTRY
JRST BATLI2
BATLIN: TMSG <
The following pages are not marked in the BAT blocks, and could not
be read.
>
SETZM BATTYF ; CLEAR HEADER FLAG
MOVEI Q1,SYSBTB ; GET THE REAL BAT BLOCK LIST
BATLI4: SKIPN P1,(Q1) ; GET NEXT ENTRY, PLEASE
JRST BATWRK ; END OF LIST, WE ARE DONE HERE
TXZ P1,ADRMSK
JUMPE P1,BATWRK
BATLI5: MOVEI T1,BPRBLK ; POINT TO THE BAT LIST AGAIN
CALL BTTBSE ; AND LOOK FOT THIS ENTRY
JRST [ PUSH P,T1 ; SAVE THE T1 REG
CALL BATTYP ; AND TYPE THE ENTRY, PLEASE
POP P,T1 ; PUT T1 BACK
JRST .+1] ; AND RETURN
ADD P1,SECPAG ; BUMP THE POINTER UP SOME
CAMG P1,1(T1) ; SEE IF IT IS PAST THE END, PLEASE
JRST BATLI5 ; NO, SEE IF IT IS HIDDEN
ADDI Q1,4 ; GO TO THE NEXT ENTRY
JRST BATLI4
;HERE TO TYPE A SINGLE BAT BLOCK ENTRY
;
; Q1 POINTS THE 4 WORD ENTRY, AND BATTYF IS THE HEADER TYPE FLAG
;
BATTYP: SKIPN BATTYF ; FLAG SET?
JRST [ TMSG <
Start End Type Address Length APRID Chan Unit Who
(Pages ) (Sectors )
>
SETOM BATTYF ; ONLY ONE HEADER
JRST .+1]
MOVE T2,(Q1) ; GET FIRST WORDS
TXZ T2,ADRMSK ;CLEAR ALL BUT THE ADDRESS
IDIV T2,SECPAG
MOVE T3,[^D9,,10]
CALL TTNOUT ; TYPE THE NUMBER (START)
MOVE T2,1(Q1)
IDIV T2,SECPAG
MOVE T3,[^D9,,10]
CALL TTNOUT ; TYPE THE NUMBER (END)
PUSH P,Q1 ; SAVE POINTER
ADDI Q1,2 ; SKIP OLD DATA
LOAD T4,ADD27,(Q1) ; GET BIG ADDRESS
LOAD T1,BADT,(Q1) ; GET TYPE FIELD
SKIPN T1 ; IS THIS AN OLD ONE?
LOAD T4,ADD18,(Q1) ; YES, GET OLD ADDRESS
SKIPN T1
JRST [ TMSG <OLD >
JRST BATTY1]
TMSG <NEW >
BATTY1: MOVE T2,T4
MOVE T3,[^D12,,10] ; 9 COL, DECIMAL
CALL TTNOUT ; OUTPUT THE NUMBER (ADDRESS)
LOAD T2,BATNB,(Q1) ; GET LENGTH
ADDI T2,1 ; FUDGE IT A LITTLE
MOVE T3,[^D6,,^D10]
CALL TTNOUT ; OUTPUT THE NUMBER (LENGTH)
LOAD T2,APRNM,(Q1) ; GET APRID OF WRITER
MOVE T3,[^D8,,^D10]
CALL TTNOUT ; OUTPUT THE NUMBER (APRID)
LOAD T2,BTKNM,(Q1) ; GET CONTROLER NUMBER
MOVE T3,[^D5,,^D10]
CALL TTNOUT
LOAD T1,BTUNM,(Q1) ; GET UNIT NUMBERS FLAGS
MOVE T3,[^D1,,^D10]
JUMPE T1,BATTY2 ; OUT OF HERE IF WE ARE ALL DONE
SETO T2,
BATTY3: AOS T2
TRZE T1,1 ; IS THE LOW ORDER BIT SET
JRST [ PUSH P,T1 ; SAVE OLD BIT MASK
CALL TTNOUT ; TYPE THE UNIT NUMBER
SKIPE (P) ; SEE IF THAT WAS THE LAST UNIT WE NEED TO TYPE
CALL [ TMSG <,>
RET]
POP P,T1 ; RESTORE FLAGS
JRST .+1] ; AND CONTINUE
LSH T1,-1 ; SLIDE IT OVER A BIT
JUMPN T1,BATTY3 ; AND KEEP GOING IF THERE IS MORE
BATTY2: TMSG < >
POP P,Q1
MOVE T2,(Q1) ; GET THE FLAGS AND START SECTOR
HRROI T1,[ASCIZ / Mapper
/] ; ASSUME THE MAPPER DID IT
TXNE T2,BT%FND
HRROI T1,[ASCIZ / CHECKD
/] ; WE FOUND IT IN OUR WANDERINDS
TXNE T2,BT%WBM
HRROI T1,[ASCIZ / Monitor
/] ; THE MONITOR (OR US SOME TIME IN THE PAST)
; PLACED IT IN THE BAT BLOCK
TXNE T2,BT%ANG
HRROI T1,[ASCIZ / Unknown
/] ; IT JUST APPEARED FOR THE ETHIER
PSOUT ; TELL THE LOSER
RET
; HERE TO TRY TO READ A DISK PAGE, AND SEE IF WE CAN GET IT. IN NO CASE,
; WILL WE ALLOW IT TO FIND ITS WAY INTO THE BAT BLOCKS
; CALL WITH P1 = THE SECTOR TO READ
; RETURN +1 IF ERROR
; RETURN +2 IF OK
; THIS CODE, THE BAT BLOCK ADD ROUTINE, THE SCAN ROUTINE (VERSCN), AND
; EVERYTHING THAT HAS ANYTHING TO DO WITH THIS CODE **KNOWS** WHAT AC'S
; ARE USABLE FOR WHAT. IN GENERAL, ALL THE T'S ARE TRASHABLE, AS WELL
; AS Q1, (BUT WE USE IT AS A COUNTER), AND P1 *** MUST *** CONTAIN THE
; SECTOR NUMBER THAT WE ARE READING AT.
READCK: MOVE T4,STRDEV ;SET DEVICE TO READ ON
SETZ Q1, ;INDICATE WE HAVE DONE ANY READS YET
READ1: MOVE T3,DIRORA ;READ INTO THE DIRECTORY AREA
MOVE T1,P1 ; LOAD THE PAGE ADDRESS
TXO T1,<FLD .DOPSR,DOP%AT>
; LINEAR ADDRESS, ALWAYS
TXO T1,DOP%SN ;INDICATE A STRUCTURE REFERENCE
MOVX T2,1000!DOP%IL!DOP%IR
;1000 WORDS, AND SUPPRESS ERROR LOG,
; AND NO RETRY
DSKOP ;READ THE PAGE
ERJMP [JSERR ;write why we failed
JRST .+1] ;continue
JUMPN T1,READE1 ;READ ERROR
SKIPE Q1 ; FIRST TRY?
JRST READE2 ; NO, SEE WHATS UP
READR: RETSKP ; NO ERROR, GOOD IN ANY CASE
; HERE IF WE WIN ON A SOFT ERROR AFTER THE FIRST TRY
READE2: TMSG <Soft read error for page >
; FALL INTO NEXT PAGE
; HERE TO TYPE PAGE NUMBER, AND IF WE ARE COUNTING SOFT ERRORS, RETURN A
; FAILED TO READ STATUS (NON SKIP RETURN)
READC: CALL TYPEP1
TMSG <.
>
SKIPN SOFTFL ; SOFT ERRORS WANTED?
JRST READR ; NO, RETURN
; HERE TO TELL USER PAGE IS COUNTED AS BAD, AND RETURN THE INFORMATION
READB: TMSG < The page will be considered bad.
>
RET ; RETURN THE ERROR
; HERE IF WE HAD AN ERROR ON SOFT READS. TRY 8 TIMES BEFORE WE GIVE UP
; ON THIS SECTOR.
READE1: AOS Q1 ; COUNT THE NUMBER OF TRYS
CAIE Q1,10 ; UP TO THE LIMIT YET
JRST READ1 ; NO, TRY AGAIN
SETZ Q1, ; CLEAR OUT THE COUNT
;HERE FOR ECC READ RETRY
READ2: MOVE T3,DIRORA
MOVE T1,P1 ; LOAD THE PAGE ADDRESS
TXO T1,<FLD .DOPSR,DOP%AT>
; LINEAR ADDRESS, ALWAYS
TXO T1,DOP%SN ;INDICATE A STRUCTURE REFERENCE
MOVX T2,1000!DOP%IL ;1000 WORDS, AND SUPPRESS ERROR LOG
DSKOP ;READ THE PAGE
JUMPN T1,READE3 ;ECC ERROR, WE ARE DONE
SKIPE Q1 ;WAS THIS THE FIRST ATTEMPT?
JRST READE4 ;NO, SEE IF WE WANT SOFT OR ECC ERRORS
; HERE IF A "HARD" SOFT ERROR WAS RECOVREABLE ON THE FIRST ECC READ
TMSG <Soft read error recovered by ECC for page >
JRST READC ;TYPE PAGE NUMBER, AND COUNT IT IF WE ARE
; LOOKING FOR SOFT ERRORS
;HERE ON FIRST THRU Nth ERR READ ERROR WITH ECC
READE3: AOS Q1 ;COUNT THIS ERROR
CAIE Q1,10 ;DID WE TRY 8 TIMES?
JRST READ2 ;NO, TRY FOR ALL 8
TMSG <Hard error reading page >
CALL TYPEP1
TMSG <.
>
JRST READB ;ALWAYS COUNT IT AS BAD
;HERE IF A RETRY WITH ECC AFTER THE FIRST ONE WINS
READE4: TMSG <Recoverable ECC read error for page >
CALL TYPEP1
TMSG <.
>
; IF EITHER SOFTFL OR ECCFLG ARE SET, WE RETURN AN ERROR, ELSE IT IS OK
SKIPE SOFTFL ;WANT SOFT ERRORS?
JRST READB ; YES, INDICATE ERROR
SKIPE ECCFLG ;WANT ECC ERRORS?
JRST READB ; YES, ALSO INDICATE ERROR
JRST READR ;RETURN, PLEASE, NO ERROR
; HERE TO MARK THE BIT TABLE WITH A BLOCK AS BEING BAD
MARKCK: MOVEI T1,SYSBTB ; POINT TO THE TABLE WE ADD TO
MOVNI T2,<BTBMAX/4>-1 ; LOTS OF ENTRIES
CALL BTTBAD ; ADD IT TO THE TABLE
JFCL
MOVX T2,BT%FND ; WE FOUNT IT, SO CLAIM IT
IORM T2,(T1)
CALLRET SETCKU ; SET THE CKU CORRECTLY
;HERE TO SET THE CKU OF THE PAIR POINTED TO BY T1
SETCKU: PUSH P,T1 ; SAVE ADDRESS OF THE BAT PAIR
ADDI T1,2 ; SKIP OUR STUFF
MOVE T3,SECPAG ; GET PROPER LENGTH IN SECTORS
SUBI T3,1 ; LESS ONE PER FORMAT OF BAT BLOCKS
STOR T3,BATNB,(T1) ; SAVE THE LENGTH
SETO T3, ; SET FLAG BITS
STOR T3,BADT,(T1) ; INDICATE THIS IS THE NEW TYPE OF ENTRY
MOVE T3,P1 ; GET THIS SECTOR NUMBER
IDIV T3,SECUNT ; GET OFFSET FOR THIS UNIT
STOR T4,ADD27,(T1) ; AND SAVE IN THE WORDS
CALL GETCKU ; FIND THE CKU FOR THIS SECTOR
POP P,Q2 ; Q1,3 HAVE C, U, Q2= POINTER TO BLOCK
ADDI Q2,2 ; BUMP POINTERS TO THE REAL PAIRS.
STOR Q1,BTKNM,(Q2) ; STASH THE CONTROLLER NUMBER
LOAD Q1,BTUNM,(Q2) ; FETCH THE OLD UNIT FLAGS
ANDI Q3,7 ; TRUNCATE TO 3 BITS (FIX FOR HSC AND RP20'S)
MOVN Q3,Q3 ; NEGATE UNIT NUMBER
IOR Q1,BITS+^D35(Q3) ; GET THE NEW UNIT BIT ADDED
STOR Q1,BTUNM,(Q2) ; AND SAVE IT BACK AGAIN
MOVE T1,[SIXBIT /APRID/]
SYSGT ; GET OUR CPU NUMBER
STOR T1,APRNM,(Q2) ; AND FILE THAT FOR THOSE WITH PEEKING EYES
RET ; RETURN AND KEEP GOING
; HERE TO GET THE CKU FOR THE SECTOR IN P1
GETCKU: SETOM RNUBLK+.MSRCH ;INIT FOR FIRST UNIT
SETOM RNUBLK+.MSRCT
SETOM RNUBLK+.MSRUN
SETOM MNTBLK+.MSTNU ;INIT # OF UNITS IN STR
MOVE Q1,P1 ;THIS IS THE SECTOR NUMBER WE WANT
IDIV Q1,SECUNT ;NOW WE HAVE THE UNIT NUMBER WE WANT
ADDI Q1,1 ;FOR SOME REASON, UNIT NUMBERS START AT 1
GETCK2: CALL GTASTS ;GET FIRST UNIT STATUS
JRST [ TMSG <
? Unit for page >
CALL TYPEP1
TMSG < not found.
>
JRST GETCK1]
CALL STRMAX ;IS THIS THE DISK WE ARE LOOKING FOR?
JRST GETCK2 ; NO, LOOK FOR THE NEXT ONE
HLRZ Q2,RNUBLK+.MSRNS ; GET THIS LOGICAL UNIT NUMBER
AOS Q2 ; UNIT NUMBERS START AT 1
CAME Q2,Q1 ; THE ONE WE ARE LOOKING FOR?
JRST GETCK2 ; NO, LOOK YET AGAIN
MOVE Q1,RNUBLK+.MSRCH ;CHANNEL
MOVE Q2,RNUBLK+.MSRCT ;CONTROLLER
MOVE Q3,RNUBLK+.MSRUN ;UNIT
RET
;HERE ON AN ERROR, RETURN A CKU OF 0,0,0
GETCK1: SETZB Q1,Q2
SETZ Q3,
RET
; HERE TO TYPE THE CONTENTS OF P1 AS A NUMBER BASE 8 , AND CONVERTED TO A
; PAGE NUMBER FROM A SECTOR NUMBER
TYPEP1: MOVE T2,P1
IDIV T2,SECPAG
MOVEI T3,10 ; OCTAL
CALLRET TTNOUT
;BAT BLOCK TABLE SEARCH
;HERE TO SEE IF THERE IS AN OVERLAP BETWEEN THE PAGE POINTED TO BY P1,
;AND ANY ENTRY IN THE TABLE POINTED TO BY T1.
;
; SKIP RETURN ON A MATCH, NON SKIP RETURN ON NO OVERLAP
BTTBS1: ADDI T1,4
BTTBSE: SKIPN T2,(T1) ; IS THE TABLE EXAUSTED?
RET ; YES, WE ARE DONE
TXZ T2,ADRMSK ; CLEAR ANY EXTRA BITS
JUMPE T2,R ; RETURN IF ADDRESS IS ZERO
CAML P1,T2 ; SEE IF IT IS IN RANGE
CAMLE P1,1(T1) ; IF NOT, THEN
JRST BTTBS1 ; LOOK FOR MORE
RETSKP ; IN RANGE, A GOOD RETURN T1= ADDR OF ENTRY
;BAT BLOCK TABLE DELETE
;HERE TO DELETE A SET OF SECTORS FROM THE TABLE POINTED TO BY T1
;P1 HAS THE ENTRY TO DELETE. A SKIP RETURN INDICATED OK, AN +1 RETURN
;IS FOR ERRORS (I.E. NOT FOUND)
BTTBDE: TXZ P1,ADRMSK ; MAKE SURE WE HAVE NO EXTRA BITS
SKIPN T2,(T1) ; END OF LIST?
RET ; YES, AND WE HAVENT SEEN IT YET, SO ERROR
TXZ T2,ADRMSK
JUMPE T2,R ; RETURN IF THIS PART 0, TOO
CAME P1,T2 ; IS IT IN FORNT OF THE LIST?
JRST [ ADDI T1,4 ; GO FOR MORE
JRST BTTBDE] ; TILL WE HAVE IT
MOVE T2,T1 ; FIND THE END OF THE LIST, PLEASE
MOVE T3,(T2)
TXNE T3,ADDERS
AOJA T2,.-2 ; IN A FAST LOOP
HRLI T3,4(T1) ; SOURCE
HRR T3,T1 ; DESTINATION (FORWARD 4 WORDS)
BLT T3,(T2) ; SO WHAT IF WE MOVE FOUR EXTRA WORDS
RETSKP ; WE ARE DONE
;BAT BLOCK TABLE ADD
; HERE TO ADD A WORD PAIR TO A BAT TABLE.
; T1 POINTS TO THE TABLE, AND P1 HAS THE SECTOR TO ADD
; WE WILL ADD SECPAG NUMBERS. T1 WILL POINT TO THE ENTRY WHEN DONE
;
BTTBAD: AOSLE T2 ; BUMP COUNT, CHECK FOR OVERFLOW
JRST [ TMSG < BATBLOCK table is full, some entries must be deleted to add more.
Error encountered on page >
CALL TYPEP1 ; TYPE THIS PAGE NUMBER
TMSG <.
>
RET]
SKIPN (T1) ; GET NEXT ENTRY IN TABLE
JRST BTTBA1 ; NO, NEW ENTRY
ADDI T1,4 ; NEXT ENTRY
JRST BTTBAD
BTTBA1: MOVE T3,SECPAG ; GET NUMBER OF SECTORS PER PAGE
TXZ P1,ADRMSK ; MAKE SURE WE HAVE NO EXTRA BITS
ADD T3,P1 ; NUMBER OF END + 1
SUBI T3,1 ; NUMBER OF END
MOVEM P1,0(T1) ; SAVE THE START OF THIS ERROR REGION
MOVEM T3,1(T1) ; UPDATE END POINTER
SETZM 2(T1) ; CLEAR BAT BLOCK WORDS
SETZM 3(T1)
SETZM 4(T1) ; MAKE SURE WE CAN FIND THE END OF THE LIST
RETSKP
;HERE WHEN USER HAS REQUESTED BITTABLE, REBUILT4, OR SCAN
;FLAGS INDICATE WHAT FUNCTIONS TO PERFORM
QDONE: CALL HOMEIN ;GO COMPUTE HOME BLOCK STUFF
JRST QDON1 ;ERROR
CALL BATIN ;GO GET THE BAT BLOCKS
TMSG <
>
CALL INIBTB ;INITIALIZE LOCAL COPY OF BIT TABLE
CALL SCANDI ;GO SCAN ALL THE DIRECTORIES
JRST QDON1 ;AN ERROR, CLEAN UP
SKIPN DALIST ;SCANNING FOR DISK ADDRESSES?
SKIPN CHKFLF ;NO. CHECKING FILES?
JRST QDON1 ;SCANNING OR NOT CHECKING FILES. DON'T DO
; BIT TABLE STUFF
CALL FINBTB ;YES, DO SUMMARY, ETC.
QDON1: CALL RESET
RET ;RETURN TO CALLER
QUIT: MOVEI T1,.TICCP
DTI
MOVEI T1,SUMBYT ;T1/CODE FOR ^Y
DTI ;DEASSIGN ^Y FROM CHANNEL 2
SKIPN JOBNO ;CAME FROM JOB 0?
HALTF ;YES. ^C WASN'T ASSIGNED
MOVEI T1,.TICCC ;T1/CODE FOR ^C
DTI ;DEASSIGN ^C FROM CHANNEL 1
HALTF
JRST .-1
;ROUTINE TO READ IN THE HOME BLOCKS AND SET NSSUN AND FSSUN
HOMEIN: CALL TRANSL ;GET REAL PS: NAME, IF ANY.
MOVEI T1,1 ;READ IN FIRST HOME BLOCK
CALL GETHOM
JRST HOMIN2 ;FAILED, TRY SECOND HOME BLOCK
HOMIN1:
SETOM RNUBLK+.MSRCH ;INIT FOR STRUCTURE SEARCH
SETOM RNUBLK+.MSRCT ;ALSO INIT
SETOM RNUBLK+.MSRUN ;ALSO INIT
DO.
CALL GTASTS ;GET NEXT UNIT (ALIASES)
IFNSK. ;IF NO MORE THEN..
TMSG < ;TELL THE BAD NEWS
? HOMEIN: Structure not found.
>
SETZM WRTLPF ;DON'T ALLOW SYSTEM TO COME UP.
RET ;BAD RETURN
ENDIF.
CALL STRMAX ;SEE IF THIS IS IT.
JRST TOP. ;NO, SEARCH NEXT
ENDDO.
HOMIN3: MOVE T1,[RNUBLK+.MSRSP,,SECPAG] ;FOUND IT, PREPARE FOR BLT
BLT T1,BTWCYL ;COPY INFO OUT.
MOVE T1,RNUBLK+.MSRLS ;GET LOST SECTORS/CYL.
MOVEM T1,LPPCYL ;COPY INFO OUT.
MOVE T1,RNUBLK+.MSTSP ;GET TRUE SECTORS/PAGE
MOVEM T1,TRECPP ;COPY INFO OUT.
IDIV T1,SECPAG ;FORM TRUE SECTORS/SECTOR
IMUL T1,SECUNT ;COMPUTE TRUE SECTORS PER UNIT
MOVEM T1,TRCUNT ;STASH IT
MOVE T1,RNUBLK+.MSRST ;GET RETURNED SOFTWARE STATUS
MOVEM T1,DRRST ;STASH IT
MOVE T1,BATBUF+HOMFLG ;GET HOME BLOCK FLAGS
MOVEM T1,HFLAGS ;REMEMBER THEM
MOVE T1,BATBUF+HOMP4S ;GET # OF PAGES FOR SWAPPING PER UNIT
IMUL T1,SECPAG ;GET # OF SWAPPING SECTORS
MOVEM T1,NSSUN
MOVE T1,BATBUF+HOMFST ;GET FIRST SWAPPING CYLINDER
IMUL T1,SECCYL ;CONVERT TO SECTOR
MOVEM T1,FSSUN ;SECTOR OFFSET FOR SWAPPING SPACE
HLRZ T1,BATBUF+HOMLUN ;GET NUMBER OF PACKS IN SYSTEM STR
MOVEM T1,NPACKS
SETZM LOTRK ;FIRST CYLINDER IS ALWAYS 0
IMUL T1,CYLUNT ;COMPUTE LAST CYLINDER
MOVEM T1,HITRK ;HITRK = NTKUN*NPACKS
SKIPN T1,BATBUF+HOMBTB ;SEE IF SIZE OF BIT TABLE IS DEFINED
JRST [ MOVEI T1,OLDTOP ;NO. MUST HAVE BEEN BUILT BY OLD MONITOR
MOVEM T1,BTBTOP ;SAVE OLD SIZE OF TOP HALF OF BIT TABLE
MOVEI T1,OLDBOT ; AND OLD SIZE OF BOTTOM HALF
MOVEM T1,BTBBOT
JRST HOMIN4]
MOVEM T1,BTBTOP ;BUILT BY RELEASE 2 OR LATER. SAVE SIZE
; OF TOP HALF OF BIT TABLE
IMUL T1,BTWCYL ;COMPUTE NUMBER OF BIT WORDS IN BOTTOM
MOVEM T1,BTBBOT ; AND SAVE IT
HOMIN4: ADD T1,BTBTOP ;COMPUTE TOTAL SPACE IN FILE
CAILE T1,BTBMAX ;WILL IT FIT IN ADDRESS SPACE?
JRST [ TMSG<
? HOMEIN: Bit table too large
>
SETZM WRTLPF ;don't allow system to come up
RET]
ADDI T1,<PGSIZ-1> ;ROUND UP TO NEXT PAGE
IDIVI T1,PGSIZ ;COMPUTE NUMBER OF PAGES IN FILE
MOVEM T1,BTBPGS ;SAVE SIZE OF BIT TABLE FILE
RETSKP
HOMIN2: MOVEI T1,12 ;SECOND HOME BLOCK
CALL GETHOM ;READ IT IN
JRST NOHOME ;FAILED
JRST HOMIN1 ;SUCCESS
NOHOME: TMSG <HOMEIN: Could not find a valid home block>
SETZM WRTLPF ;don't allow system to come up
RET
GETHOM: TXO T1,<FLD .DOPSR,DOP%AT> ;LOGICAL ADDRESS
MOVE T4,STRDEV ;GET STRUCTURE NUMBER
TXO T1,DOP%SN ;SET MASK TO ALL ONES
MOVEI T2,NWSEC ;LENGTH OF BLOCK
TXO T2,DOP%PS ;USE TRUE PHYSICAL SECTORS
MOVEI T3,BATBUF ;ADR OF AREA TO READ INTO
DSKOP
JUMPN T1,R ;IF ERROR, RETURN
MOVS T1,BATBUF+HOMNAM ;CHECK CONSISTENCY
CAIE T1,'HOM'
RET
MOVE T1,BATBUF+HOMCOD ;AND SPECIAL CODE
CAIE T1,CODHOM
RET
RETSKP ;HOME BLOCK OK
;ROUTINE TO READ IN ALL OF THE BAT BLOCKS AND SET UP THE
;ERROR PAIRS
BATIN: SAVEQ
STKVAR <LSXSEC,SAVWRK>
MOVE T1,NPACKS ;# OF PACKS IN STRUCTURE
IMUL T1,TRCUNT ;COMPUTE SECTORS IN STRUCTURE
MOVEM T1,LSXSEC ;SAVE IT
MOVEI Q1,2 ;FIRST BAT ADDRESS
MOVEM P1,SAVWRK ;SAVE PERMANENT REG
MOVEI P1,BPRBLK ;START OF TABLE
SETZM (P1) ;MARK TABLE AS EMPTY
GETBAT: MOVE T1,Q1 ;DISK ADDRESS
TXO T1,<FLD .DOPSR,DOP%AT> ;LINEAR ADDRESS
MOVE T4,STRDEV ;GET STRUCTURE NUMBER
TXO T1,DOP%SN ;SET TO -1
MOVEI T2,NWSEC ;SIZE OF A BLOCK
TXO T2,DOP%PS ;USE TRUE PHYSICAL SECTORS
MOVEI T3,BATBUF ;BUFFER FOR THE BAT BLOCK
DSKOP ;GET THE BLOCK
JUMPN T1,TRY2 ;IF BAT4, TRY SECONDARY
MOVS T1,BATBUF ;GET HEADER WORD
CAIE T1,'BAT' ; A BAT BLOCK?
JRST TRY2 ;NO. TRY SECONDARY
MOVE T1,BATBUF+BATCOD ;SEE IF UNIQUE CODE IS THERE
CAIE T1,CODE ;IS IT?
JRST TRY2 ;NO. TRY SECONDARY THEN
GOTBAT: MOVEI T4,BATBUF ;T4/ADDRESS OF START OF BAT BLOCK
LOAD Q3,BTHCT,(T4) ;GET NUMBER OF PAIRS WRITTEN INITIALLY
LOAD T3,BTMCT,(T4) ;GET NUMBER OF PAIRS MONITOR HAS WRITTEN
MOVE Q2,Q3 ;REMEMBER THE NUMBER WRITTEN BY THE MAPPER
ADD Q3,T3 ;TOTAL PAIRS WRITTEN
CAILE Q3,MAXPAR ;DID BLOCK OVERFLOW?
MOVEI Q3,MAXPAR ;YES. ONLY LOOK AT VALID PART THEN
MOVEM Q3,OVERHD ;COUNT THESE AS OVERHEAD UNLESS THEY ARE
; FOUND TO BE ASSIGNED LATER
MOVEM Q3,BATCNT ;KEEP A SEPARATE COUNT, TOO
JUMPE Q3,NONE ;IF NONQ1, GO TO NEXT UNIT
MOVEI T3,BATBUF+4 ;FIRST BAD PAIR IN BLOCK
CALL NXTPR ;MOVE THE NEXT PAIR
SOJG Q3,.-1 ;DO ALL PAIRS
NONE:
ADD Q1,TRCUNT ;NEXT PACK
CAMGE Q1,LSXSEC ;OVER THE LAST PACK IN THE STRUCTURE?
JRST GETBAT ;NO. GO DO IT
MOVE P1,SAVWRK ;RESTORE PERMANENT REG
RET ;AND DONE
; HERE TO MAVE A BAT BLOCK PAIR
; T3 POINTS TO THE PAIR WE ARE TO MOVE,
; Q1 HAS OFFSET OF DISK ADDRESS (I.E. 2 + (SECUNT*PACK))
; Q2 HAS NUMBER WRITTEN BY MAPPER, BUT LEFT TO BE PROCESSED
; Q3 HAS TOTAL NUMBER TO MOVE
; P1 POINTS TO WHERE THEY ARE GOING
; T1, T2, AND T4 ARE SCRATCH
NXTPR: DMOVE T1,(T3) ; GET FIRST AND SECOND WORD
DMOVEM T1,2(P1) ;SAVE ORIGINAL WORDS IN SECOND BLOCK HALF
LOAD T4,ADD27,(T3) ;GET STARTING ADDRESS IF NEW FORMAT
LOAD T1,BADT,(T3) ;GET TYPE FIELD
SKIPN T1 ;OLD FORMAT?
LOAD T4,ADD18,(T3) ;YES, GET OLD STYLE ADDRESS INSTEAD
ADD T4,Q1 ;MAKE IT A LINEAR ADDRESS
SUBI T4,2 ;REMOVE BIAS FOR BAT BLOCK
MOVE T1,T4 ;COPY THE ADDRESS
MOVE T2,SECCYL ;GET NUMBER OF SECTORS
ADD T2,LPPCYL ; PER CYLINDER
IDIV T1,T2 ;NUMBER OF CYLINDERS IN PHYSICAL ADDRESS
IMUL T1,LPPCYL ;NUMBER OF LOST SECTORS IN PHYSICAL ADDRESS
SUBB T4,T1 ;TRANLSATE TO LOGICAL ADDRESS
IDIV T1,SECPAG ;ROUND DOWN ADDRESS TO A PAGE BOUNDARY
IMUL T1,SECPAG ;TO CATCH ERRORS IN MIDDLE OF A PAGE
MOVEM T1,0(P1) ;SAVE AS FIRST ADDRESS OF REGION
MOVE T1,0(T3)
LSH T1,-^D27 ;GET COUNT OF BAD BLOCKS
ADDI T4,0(T1) ;CALCULATE LAST ONE
MOVEM T4,1(P1) ;FINISH OFF PAIR
SETZM 4(P1) ;FLAG END OF LIST
MOVX T2,BT%MAP ;ASSUME IT WAS FROM THE MAPPER
SOSGE Q2 ;IF WE COUNT ALL THE MAPPER DID,
MOVX T2,BT%WBM ;THE REST MUST BE BY THE MONITOR
IORM T2,(P1) ;FLAG THE AUTHOR OF THIS ENTRY
ADDI P1,4 ;NEXT PAIR IN BUFFER
ADDI T3,2 ;NEXT PAIR IN BAT BLOCK
RET
;PRIMARY BAT BLOCK WAS BAD. TRY THE SECONDARY
TRY2: MOVE T1,Q1 ;GET ADDRESS
ADDI T1,11 ;GET UP TO THE SECONDARY
MOVE T4,STRDEV ;GET STRUCTURE NUMBER
TXO T1,DOP%SN ;SET TO ONES
TXO T1,<FLD .DOPSR,DOP%AT> ;LINEAR ADDRESS
DSKOP ;READ IN THE SECONDARY
JUMPN T1,NONE ;IF ERROR, NONE THERE
MOVS T1,BATBUF
CAIE T1,'BAT' ;A GOOD BAT BLOCK?
JRST NONE ;NO. GIVE UP
MOVE T1,BATBUF+BATCOD ;UNLIKELY CODE
CAIE T1,CODE ;GOOD?
JRST NONE ;NO. NO BAT BLOCKS
JRST GOTBAT ;YES, USE THIS ONE
;INIBTB - INITIALIZE THE BIT TABLE
;ACCEPTS: NONE
; CALL INIBTB
;RETURNS +1:ALWAYS
;THIS ROUTINE INITIALIZES THE LOCAL COPY OF THE BIT TABLE USING THE SAME CODE
;AS THE MONITOR USES IN DSKAL1. FIRST IT INITIALIZES THE TABLE SO THAT ALL
;PAGES ARE FREE. THEN IT ASSIGNS THE SPECIAL SYSTEM BLOCKS ON EVERY PACK
;AND CALLS SWPASN TO ASSIGN THE SWAPPING SPACE
INIBTB: SAVEQ
STKVAR <LSTPAG>
MOVE T1,PAGCYL ;GET NUMBER OF PAGES PER CYLINDER
MOVN T2,BTBTOP ;GET SIZE OF TOP HALF OF BIT TABLE
HRLZS T2 ;T2/(-COUNT,,OFFSET IN TOP HALF)
INIBT2: MOVEI T3,0(T2) ;GET OFFSET
ADDI T3,LOCBTB ;ADDRESS OF CURRENT WORD
MOVEM T1,0(T3) ;STORE FULL COUNT FOR EACH CYLINDER
AOBJN T2,INIBT2 ;GO TO NEXT WORD
MOVE T2,BTBTOP ;START AT BEGINNING OF BIT PART OF BIT TABLE
ADDI T2,LOCBTB ;COMPUTE ADDRESS OF FIRST BIT WORD
INIBT1: SETOM 0(T2) ;INIT ONE BIT WORD
SUBI T1,^D36 ;REDUCE COUNT OF PAGES (1 BIT PER PAGE)
CAILE T1,^D36 ;LAST WORD?
AOJA T2,INIBT1 ;NO. GO INITIALIZE IT
MOVN T1,BITS-1(T1) ;LAST WORD PARTIALLY FULL. SET ONLY VALID BITS
MOVEM T1,1(T2) ;STORE LAST WORD FOR FIRST CYLINDER
MOVEI T1,LOCBTB ;CONSTRUCT STARTING LOCATIONS FOR BLT
HRLS T1 ;(START OF TABLE,,START OF TABLE)
MOVE T3,BTBTOP ;GET SIZE OF TOP HALF OF BIT TABLE
HRLS T3 ; IN BOTH HALVES
ADD T1,T3 ;(START OF BOTTOM HALF,,START OF BOTTOM HALF)
ADD T1,BTWCYL ;(START OF BOTTOM HALF,,2ND GROUP OF WORDS)
MOVEI T2,LOCBTB ;CONSTRUCT LIMIT FOR BLT
ADD T2,BTBTOP ;POINT TO BOTTOM HALF OF BIT TABLE
ADD T2,BTBBOT ;POINT JUST BEYOND END
SUBI T2,1 ;POINT TO LAST WORD FOR LIMIT OF BLT
BLT T1,0(T2) ;COPY GROUPS OF BIT WORDS TO REST OF TABLE
; FALL INTO NEXT PAGE
;ASSIGN THE HOME BLOCKS
SETZM NBAD ;INITIALIZE COUNT OF ERRORS
SETOM PAGNN ;INDICATE NOT A FILE PAGE
MOVSI Q3,-NHOME ;Q3/(-COUNT,,OFFSET TO HOME TABLE)
SETOM LSTPAG ;INITIALIZE LAST PAGE ASSIGNED
;LOOP OVER SPECIAL SECTORS IN HOME BLOCK TABLE
HOMAS1: MOVE T1,HOME(Q3) ;GET SECTOR NUMBER WITHIN UNIT
IDIV T1,SECPAG ;CONVERT TO PAGE
CAMN T1,LSTPAG ;SAAME AS LAST PAGE ASSIGNED?
JRST HOMAS3 ;YES. DON'T ASSIGN IT AGAIN
;ASSIGN THIS PAGE FOR ALL UNITS
MOVEM T1,LSTPAG ;SAVE LAST PAGE ASSIGNED
MOVN Q2,NPACKS ;NO. GET NUMBER OF UNITS IN STRUCTURE
HRLZS Q2 ;Q2/(-COUNT,,UNIT NUMBER)
HOMAS2: MOVEI T1,0(Q2) ;GET UNIT NUMBER
IMUL T1,SECUNT ;COMPUTE FIRST SECTOR IN THIS UNIT
ADD T1,HOME(Q3) ;T1/SECTOR TO ASSIGN
MOVX F,MR%SPC ;INDICATE SPECIAL BLOCKS
CALL MRKBTB ;ASSIGN PAGE
JFCL ;IGNORE FAILURE. ERROR HAS BEEN REPORTED
AOBJN Q2,HOMAS2 ;LOOP TO NEXT UNIT IN STRUCTURE
HOMAS3: AOBJN Q3,HOMAS1 ;LOOP TO NEXT SPECIAL SECTOR
SKIPE NBAD ;DID WE GET ANY ERRORS?
JRST [ TMSG <- - - - - - - -
> ;YES. PRINT DIVIDER TO SEPARATE FROM FILE OUTPUT
SETZM NBAD ;RESET COUNT
JRST .+1]
CALL SWPASN ;MARK THE SWAPPING PAGES
RET
;DSKASA - ASSIGN PAGE IN LOCAL BIT TABLE
;ACCEPTS:
; 1/SECTOR NUMBER RELATIVE TO START OF STRUCTURE
; CALL DSKASA
;RETURNS +1: ILLEGAL ADDRESS OR ADDRESS ALREADY ASSIGNED
; T4/ERROR CODE
; +2: SUCCESS, PAGE ASSIGNED
;THIS ROUTINE ASSIGNS A PAGE IN THE LOCAL BIT TABLE USING THE SAME METHOD
;AS THE MONITOR USES IN DSKAL1. IT ASSIGNS THE PAGE CONTAINING THE
;SPECIFIED SECTOR. IF THE PAGE IS ALREADY ASSIGNED, IT TAKES THE ERROR
;RETURN.
DSKASA: SAVEAC <T1> ;save address we're working on
SETZ T4, ;INITIALIZE ERROR FLAG
IDIV T1,SECCYL ;T1/CYLINDER, T2/SECTOR WITHIN CYLINDER
CAML T1,LOTRK ;NON-NEGATIVE CYLINDER NUMBER?
CAML T1,HITRK ;WITHIN STRUCTURE'S LIMITS?
JRST DSKAS1 ;RETURN ILLEGAL ADDRESS
CAML T1,BTBTOP ;WITHIN TOP HALF OF BIT TABLE?
JRST DSKAS1 ;NO. RETURN ILLEGAL ADDRESS
MOVE T3,PAGCYL ;GET PAGES PER CYLINDER
IMUL T3,SECPAG ;COMPUTE NUMBER SECTORS IN COMPLETE PAGES
CAML T2,T3 ;IS THIS SECTOR WITHIN A FULL PAGE (POSSIBLE
; EXTRA SECTORS AT END OF CYLINDER)?
JRST DSKAS1 ;NO. RETURN ILLEGAL ADDRESS
MOVE T4,T1 ;4/CYLINDER NUMBER
IDIV T2,SECPAG ;CONVERT SECTOR TO PAGE WITHIN CYLINDER
JUMPN T3,DSKAS1 ;MUST BE ON PAGE BOUNDARY
IDIVI T2,^D36 ;GET INDEX TO BIT WORD WITHIN CYLINDER
IMUL T1,BTWCYL ;OFFSET IN BOTTOM FOR THIS CYLINDER
ADD T1,T2 ;OFFSET IN BOTTOM FOR THIS PAGE
ADD T1,BTBTOP ;OFFSET IN BIT TABLE FOR BIT WORD
MOVE T3,BITS(T3) ;BIT FOR THIS PAGE
TDNN T3,LOCBTB(T1) ;IS PAGE ALREADY ASSIGNED?
JRST DSKAS2 ;YES. REPORT MULTIPLY ASSIGNED ADDRESS
ANDCAM T3,LOCBTB(T1) ;NO. ASSIGN IT
SOS LOCBTB(T4) ;REDUCE FREE COUNT
RETSKP
DSKAS1: MOVX T4,ER%IDA ;INDICATE ILLEGAL ADDRESS
RET
DSKAS2: MOVX T4,ER%MDA ;INDICATE MULTIPLY ASSIGNED
RET
;ROUTINE TO ASSIGN THE SWAPPING BLOCKS
; CALL SWPASN
;RETURNS +1: ALWAYS
SWPASN: MOVN P1,NPACKS ;SET UP AN AOBJN POINTER
HRLZS P1 ;FOR ALL PACKS IN SYSTEM
SETZM NBAD ;INITIALIZE COUNT OF ERRORS
SETOM PAGNN ;INDICATE NOT A FILE PAGE
SWPAS1: MOVE P2,SECUNT ;GET # OF SECTORS PER UNIT
IMULI P2,0(P1) ;GET LOGICAL ADR OF START OF THIS PACK
ADD P2,FSSUN ;GET START OF SWAPPING SPACE ON UNIT
MOVE P3,NSSUN ;GET # OF SWAPPING SECTORS PER UNIT
ADD P3,SECPAG ;MAKE SURE TO EVEN UP TO FULL PAGE
SUBI P3,1
IDIV P3,SECPAG ;GET # OF PAGES FOR SWAPPING
JUMPE P3,SWPAS3 ;IF NO SWAPPING SKIP UNIT
SWPAS2: MOVE T1,P2 ;GET NEXT PAGE TO BE ASSIGNED
MOVX F,MR%SWP ;INDICATE THIS IS SWAPPING SPACE
CALL MRKBTB ;ASSIGN THE PAGE
JFCL ;IGNORE FAILURE. ERROR HAS BEEN REPORTED
ADD P2,SECPAG ;STEP TO THE NEXT PAGE
SOJG P3,SWPAS2 ;LOOP BACK FOR ALL PAGES ON UNIT
SWPAS3: AOBJN P1,SWPAS1 ;LOOP BACK FOR ALL UNITS
SKIPE NBAD ;DID WE GET ANY ERRORS?
JRST [ TMSG <- - - - - - -
> ;PRINT DIVIDER TO SEPARATE FROM FILE OUTPUT
SETZM NBAD ;RESET COUNT OF ERRORS
JRST .+1]
RET ;AND RETURN
;SCAN ALL DIRECTORIES. CALLS SCANFD WITH ONE DIRECTORY, LOOPS THROUGH ALL DIRECTORIES
SCANDI:
;SET UP STR:<ROOT-DIRECTORY> IN ROOTDR
HRROI T1,ROOTDR ;T1/ DESTINATION POINTER
HRROI T2,STRNAM ;T2/ SOURCE IS STRUCTURE NAME
SETZ T3, ;T3/ STOP ON NULL
SOUT ;PUT STRUCTURE NAME IN ROOTDR
MOVEI T2,":" ;T2/ A COLON
IDPB T2,T1 ;ADD A COLON AFTER STRUCTURE
HRROI T2,[ASCIZ/<ROOT-DIRECTORY>/]
SETZ T3, ;STOP ON NULL
SOUT ;ADD <ROOT-DIRECTORY> TO STRUCTURE
MOVEM T1,ROOTPT ;SAVE POINTER TO END
CALL FRSDIR ;GET THE FIRST DIRECTORY
RET ;FAILED. QUIT
SCAND2: CALL GDNAM ;GET NAME & NUMBER
JRST SCAND1 ;SKIP IF ERROR
CALL CKDIR ;CHECK AND REBUILD IF NECESSARY
CALL SCANFD ;SCAN THIS DIRECTORY
SCAND1: CALL NXTDIR ;GET NEXT DIRECTORY
JRST [ TXNN T1,RC%NMD ;NO MORE DIRECTORIES?
RET ;NO, SOME OTHER ERROR, PASS IT DOWN
RETSKP] ;YES, DONE, INDICATE SUCCESS
JRST SCAND2 ;GO CHECK THIS ONE
;SCAN ONE DIRECTORY. CALLS SCAN3 FOR A SYMBOL TABLE ENTRY, LOOPS THROUGH
;ALL SYMBOL TABLE ENTRIES
;DIRNUM/DIRECTORY NUMBER
SCANFD: HRRZ T1,DIRNUM ;USE NUMBER ONLY (ON THIS STR)
CALL SETFD ; MAP THE APPROPRIATE DIRECTORY
;DIRORG IS STARTING LOCATION
RET ;FAILED TO MAP OR HEADER WAS BAD
MOVE T1,[POINT 7,DIRNAM]
MOVE T2,DIRORA
LOAD T2,DRNUM,(T2) ; GET DIRECTORY NUMBER
HRL T2,STRDEV ; ADD STR UNIQUE CODE
DIRST ;PUT NAME OF DIRECTORY IN DIRNAM
JFCL
MOVEI T2,0
IDPB T2,T1 ;TERMINATE WITH NULL
MOVE T4,DIRORA
LOAD T1,DRSTP,(T4) ;GET LAST WORD USED BY SYMBOL TABLE
MOVEM T1,SYMTOP
LOAD T4,DRSBT,(T4) ;GET ADDRESS OF START OF SYMBOL TABLE
;NOTE: ASSUMES HEADER IS 2 WORDS
SCAN1: ADDI T4,.SYMLN ; STEP TO NEXT SYMBOL
CAMGE T4,SYMTOP ; REACHED END OF SYMBOL TABLE?
JRST SCAN2 ; NO
;END OF SYMBOL TABLE. UNMAP THE DIRECTORY
CALL UNMAPD ;UNMAP THE DIRECTORY
RET
SCAN2: MOVE T3,T4 ; GET POINTER TO SYMBOL
ADD T3,DIRORA ; GET ABS ADR OF SYMBOL
LOAD T1,SYMET,(T3) ; GET ENTRY TYPE
JUMPN T1,SCAN2A ; IF NOT A NAME, SKIP IT
LOAD T1,SYMAD,(T3) ; GET ADDRESS OF FDB
ADD T1,DIRORA ; GET ABS ADR OF FDB
LOAD T2,FBNAM,(T1) ; GET POINTER TO NAME STRING
ERJMP [ TMSG <SYMBAD: Illegal address in symbol table> ;
CALL BADBLK ;PRINT DIRECTORY NAME
JRST SCAN1] ;SKIP THIS ONE AND CONTINUE
ADD T2,[DIRORG+1] ; GET ABS ADR OF START OF STRING
MOVEM T2,DEFNAM
PUSH P,T4 ; SAVE POINTER TO SYMBOL TABLE
LOAD T4,SYMAD,(T3) ; GET RELATIVE ADR OF FDB FROM SYMBOL TABLE
CALL SCAN3 ; GO DO NAME CHAIN
POP P,T4 ; GET BACK INDEX INTO SYMBOL TABLE
SCAN2A: JRST SCAN1 ; LOOP BACK FOR ALL SYMBOLS
;MAP ONE DIRECTORY INTO THIS FORK
; T1/DIRECTORY NUMBER
SETFD: PUSH P,T1 ;SAVE DIRNUM
CALL GTFILE ;GET JFN ON DIRECTORY FILE
HRRZ T1,FDJFN ;OPEN THE DIRECTORY FILE
MOVE T2,[440000,,OF%RD+OF%THW]
OPENF
JRST [ TMSG <OPENF failed on directory >
HRROI T1,DIRNAM ;T1/POINTER TO DIRECTORY NAME
PSOUT ;PRINT DIRECTORY
TMSG< - Skipped>
JSERR ;OPEN FAILET4, GO TYPE OUT ERROR
POP P,T1 ;RESTORE DIRECTORY NUMBER
RET]
HRLZ T1,FDJFN ;NOW MAP IN DIRECTORY
MOVE T2,[.FHSLF,,DIRORG/1000]
MOVE T3,[PM%CNT+PM%RD+NDIRPG]
PMAP
POP P,T1 ;GET BACK DIR #
CALL DR0CHK ;CHECK CONSISTENCY OF HEADER
JRST [ CALL UNMAPD ;BAD HEADER. UNMAP THE DIRECTORY
CALLRET BADBLK] ;HEADER IS BAD
RETSKP
;ROUTINE TO UNMAP A DIRECTORY
UNMAPD: SETO T1, ;PMAP -1 TO DIRORG
MOVE T2,[.FHSLF,,DIRORG/1000]
MOVE T3,[PM%CNT+PM%RD+NDIRPG]
PMAP ;UNMAPPED!
HRRZ T1,FDJFN ;T1/ JFN
CLOSF ;CLOSE THIS FILE
JFCL
RET ;AND EXIT
;GTFILE - GET FILE NAME FOR THIS DIRECTORY AND GET A JFN ON IT
;ASSUMES DIRNAM POINTS TO STR:<DIRECTORY>
; CALL GTFILE
;RETURN +1: ALWAYS
; FDJFN/ JFN FOR DIRECTORY FILE
GTFILE: MOVE T1,[POINT 7,DIRNAM] ;POINT TO STR:<DIRECTORY>
SETZM DOTPTR ;INDICATE DOT NOT FOUND YET
SETZM BRKPTR ;INDICATE BRACKET NOT FOUND YET
GTFIL1: ILDB T2,T1 ;GET NEXT CHARACTER IN STRING
CAIN T2,"<" ;LEFT BRACKET?
JRST [ MOVEM T1,BRKPTR ;YES. SAVE ITS POINTER
JRST GTFIL1] ;GO GET NEXT CHARACTER
CAIN T2,"." ;IS IT A DOT?
JRST [ MOVEM T1,DOTPTR ;YES. SAVE ITS POINTER
JRST GTFIL1] ;GO GET NEXT CHARACTER
CAIE T2,">" ;IS IT A RIGHT BRACKET?
JRST GTFIL1 ;NO. GO GET NEXT CHARACTER
SKIPN DOTPTR ;FOUND RIGHT BRACKET. HAVE WE SEEN A DOT?
JRST GTFIL2 ;NO. MUST BE IN <ROOT-DIRECTORY>
;HERE WHEN THIS IS A SUBDIRECTORY. ;WE HAVE STR:<DIRECTORY.SUBDIRECTORY>.
;CONVERT TO STR:<DIRECTORY>SUBDIRECTORY.DIRECTORY
DPB T2,DOTPTR ;REPLACE DOT WITH RIGHT BRACKET
MOVEI T2,"." ;GET A DOT
DPB T2,T1 ;REPLACE RIGHT BRACKET WITH DOT
HRROI T2,[ASCIZ/DIRECTORY.1/] ;T2/ SOURCE IS THIS STRING
SETZ T3, ;T3/ STOP ON NULL
SOUT ;FORM STR:<DIR>SUBDIR.DIRECTORY
HRROI T2,DIRNAM ;SET UP POINTER TO DIRECTORY
JRST GTFIL3 ;GO GET JFN
;HERE WHEN DIRECTORY IS IN ROOT-DIRECTORY. FORM STR:<ROOT-DIRECTORY>DIR.DIRECTORY
GTFIL2: MOVE T1,ROOTPT ;POINT TO END OF STR:<ROOT-DIRECTORY>
MOVE T2,BRKPTR ;POINT TO LEFT BRACKET
MOVEI T3,^D40 ;DIRECTORY NAME <=39 CHARACTERS
MOVEI T4,">" ;STOP ON RIGHT BRACKET
SOUT ;COPY DIRECTORY NAME
SETOM T3 ;BACK UP POINTER OVER THE BRACKET
IBP T3,T1
MOVEM T3,T1 ;T1/ DESTINATION IS END OF DIRECTORY NAME
HRROI T2,[ASCIZ/.DIRECTORY/] ;T2/ POINTER TO SOURCE
SETZ T3, ;T3/ STOP ON NULL
SOUT ;COPY ".DIRECTORY" TO END OF STRING
HRROI T2,ROOTDR ;POINT TO START OF THIS STRING
JRST GTFIL3 ;GO GET JFN
;T2 POINTS TO FILE SPEC. GET A JFN ON THIS DIRECTORY FILE
GTFIL3: MOVX T1,GJ%PHY!GJ%SHT!1 ;PHYSICAL ONLY, SHORT BLOCK, GENERATION 1
GTJFN ;GET A JFN
JSHLT ;FAILURE
HRRZM T1,FDJFN ;SAVE JFN
RET
;DO ONE NAME. STARTS WITH FDB FOR ONE NAME. CALLS SCAN7 TO DO ALL GENERATIONS FOR
;ONE EXTENSION. LOOPS THROUGH ALL EXTENSIONS FOR ONE NAME
; T4/OFFSET IN DIRECTORY OF FDB
SCAN3: SKIPN T4
RET
ADD T4,DIRORA ; GET ABS ADR OF FDB
MOVE T1,T4
;NOTE: REPEATED BELOW
CALL FDBCHK ; MAKE SURE THIS IS A GOOD FDB
CALLRET BADBLK ; IT IS NOT
LOAD T1,FBEXT,(T4) ; GET ADR OF EXT STRING
ADD T1,[DIRORG+1]
MOVEM T1,DEFEXT
PUSH P,T4
SUB T4,DIRORA ; GET RELATIVE ADR OF FDB
CALL SCAN7
POP P,T4
LOAD T4,FBEXL,(T4) ; STEP TO NEXT EXT
JRST SCAN3
;DO ONE EXTENSION. CALLS BUILD FOR ONE FDB. LOOPS THROUGH ALL VERSIONS.
; T4/OFFSET IN DIRECTORY OF FDB
SCAN7: SKIPN T4
RET
ADD T4,DIRORA ; GET ABS ADR OF FDB
MOVE T1,T4
CALL FDBCHK ; CHECK THE QUALITY OF THIS FDB
CALLRET BADBLK ; NO GOOD
LOAD T1,FBGEN,(T4) ; GET VERSION #
HRRM T1,DEFVER
PUSH P,T4
CALL BUILD ; DO ONE VERSION
POP P,T4
LOAD T4,FBGNL,(T4) ; STEP TO NEXT GENERATION FDB
JRST SCAN7
;BADBLK - PRINT MESSAGE ABOUT BAD BLOCK IN DIRECTORY
BADBLK: TMSG < in directory >
HRROI T1,DIRNAM ;T1/POINTER TO DIRECTORY NAME
PSOUT ;PRINT DIRECTORY NAME
TMSG <
>
RET
;ROUTINE CALLED FOR EACH FILE--FIND ALL ADDRESSES IN PT'S OF FILE
; T4/ADDRESS OF FDB
BUILD: STKVAR<DSKAD1,FDBCNT,PAGNO>
SKIPN CHKFLF ;RETURN IMMED IF NOT CHECKING FILES
RET
SKIPN T1,.FBADR(T4) ;GET DISK ADDRESS OF INDEX BLOCK
RET ;disc address
TLNE T1,(FILNB) ;IS IT A NEW FILE?
JRST [TMSG <%> ;warning
CALL PNTFIL ;print file name
TMSG < is a "new" file
>
RET] ;new file, return.
SETZM ZSTART ;CLEAR COUNTS OF ERRORS
MOVE T2,[XWD ZSTART,ZSTART+1]
BLT T2,ZEND
SETZM PAGCNT ;INIT COUNT OF FILE PAGES FOR THIS FILE
LOAD T3,FBNPG,(T4) ;GET COUNT IN FDB OF FILE PAGES
MOVEM T3,FDBCNT ;SAVE IT FOR CHECKING LATER
SETOM PAGNN ;INDICATE NOT IN FILE PAGE
MOVE T3,.FBCTL(T4) ;GET FLAGS IN FDB
TXNE T3,FB%LNG ;IS THIS A LONG FILE?
JRST BUILNG ;YES. GO DO THE PAGE TABLE TABLE
MOVX F,MR%PT ;INDICATE THIS IS PAGE TABLE
CALL MRKBTB ;MARK BIT TABLE TO SHOW PAGE USED BY
; INDEX BLOCK
JRST [ AOS NDE ;FAILED. INDICATE BAD ADDRESS FOR PAGE TABLE
JRST BUILD1]
SETZM PAGNN ;INITIALIZE FILE PAGE NUMBER
MOVE T3,.FBCTL(T4) ; GET FLAG BITS
TXNE T3,FB%DIR ; IS THIS A DIRECTORY FILE?
MOVX F,MR%DIR ; YES, SAY SO
CALL MRKPT ;MARK BIT TABLE TO SHOW PAGES POINTED
; TO BY THE PAGE TABLE
JRST BUILD1 ;GO PRINT ERRORS IF ANY
;SCAN LONG FILE
; T1/DISK ADDRESS OF PAGE TABLE TABLE
BUILNG: MOVEM T1,DSKAD1 ;SAVE ADDRESS OF PAGE TABLE TABLE
MOVX F,MR%PTT ;INDICATE THIS IS A PAGE TABLE TABLE
CALL MRKBTB ;MARK BIT TABLE TO SHOW PAGE USED BY
; PAGE TABLE TABLE
JRST [ AOS NPTTE ;INDICATE BAD ADDRESS FOR PAGE TABLE TABLE
JRST BUILD1] ;GIVE UP ON THIS FILE
MOVEI T2,PTT ;T2/WHERE TO READ PAGE TABLE TABLE INTO
CALL DSKRED ;READ THE PAGE TABLE TABLE
JRST [ AOS NBPTT ;INDICATE PAGE TABLE TABLE UNREADABLE
AOS NBAD ;INCREMENT COUNT OF ALL ERRORS
JRST BUILD1] ;GIVE UP ON THIS FILE
MOVEI T1,PTT ;T1/ADDRESS OF WHERE TO LOOK FOR PTT
CALL CHKCSM ;CHECK/RESET CHECKSUM
JRST [ AOS NBPTT ;NO GOOD
AOS NBAD
JRST BUILD1]
SETZM PAGNN ;INITIALIZE COUNT OF FILE PAGES
MOVSI P1,-1000 ;P1/(-COUNT,,OFFSET IN PAGE TABLE TABLE)
;LOOP THROUGH ENTRIES IN PAGE TABLE TABLE MARKING BIT TABLE FOR PAGE USED
;BY PAGE TABLE AND PAGES USED BY FILE AS INDICATED BY PAGE TABLE
BUILN1: MOVE T1,PTT(P1) ;GET DISK ADDRESS OF NEXT PAGE TABLE
TLZ T1,(ADRMSK) ;GET STORAGE ADR
JUMPE T1,[MOVEI T1,1000 ;INCREMENT COUNT OF PAGES BY
ADDM T1,PAGNN ; SIZE OF PAGE TABLE
JRST BUILN2] ;GO TO NEXT ENTRY IN PAGE TABLE TABLE
MOVEM T1,PTT(P1)
MOVE T2,PAGNN ;SAVE CURRENT FILE PAGE NUMBER
MOVEM T2,PAGNO
SETOM PAGNN ;INDICATE IN PAGE TABLE
MOVX F,MR%PT ;INDICATE THIS IS A PAGE TABLE
CALL MRKBTB ;MARK BIT TABLE TO SHOW PAGE USED BY PAGE TABLE
JRST [ AOS NBPTTE ;INDICATE BAD ADDRESS IN PAGE TABLE TABLE
MOVE T2,PAGNO ;RESTORE FILE PAGE NUMBER
MOVEM T2,PAGNN
JRST BUILN2] ;GO TO NEXT ENTRY IN PTT
MOVE T2,PAGNO ;RESTORE FILE PAGE NUMBER
MOVEM T2,PAGNN
CALL MRKPT ;MARK BIT TABLE TO SHOW PAGES POINTED
; TO BY PAGE TABLE
BUILN2: SKIPN NIDA ;QUIT IMMED IF SEEN ILLEG ADDRESSES
AOBJN P1,BUILN1 ;GO TO NEXT ENTRY IN PAGE TABLE TABLE
;PAGE TABLE TABLE IS DONE
JRST BUILD1
;HERE WHEN ALL PAGES FOR A FILE HAVE BEEN ASSIGNED AND ERROR COUNTS
;INCREMENTED. FIX PAGE COUNT IF NEEDED AND REPORT SUMMARY OF ERRORS
;IF ANY.
BUILD1: MOVE T2,PAGCNT ;GET LOCAL COUNT OF FILE PAGES
ADDM T2,TOTPGS ;INCREMENT TOTAL FOR ALL FILES
SKIPG T1,NBAD ;DID WE GET ANY ERRORS ON THIS FILE?
JRST [ SKIPE DALIST ;NO. ARE WE SEARCHING?
RET ;YES. DON'T FIX THE PAGE COUNT
CAME T2,FDBCNT ;DOES LOCAL COUNT AGREE WITH THE FDB?
CALL FIXCNT ;NO. FIX IT IN THE FDB
RET]
;PRINT SUMMARY OF ERRORS FOR THIS FILE
TMSG <Summary for file >
CALL PNTFIL ;PRINT THE FILE SPEC
;THE COUNTS THAT ARE REPORTED HERE HAVE BEEN INCREMENTED BY MRKPT,
;MRKBTB AND BUILD. THEY WERE CLEARED BY THE BLT IN BUILD AND THUS
;CONTAIN THE ERROR COUNTS FOR THE CURRENT FILE ONLY.
; NEXT PAGE ....
HRROI T1,[ASCIZ /
Faulty page table addresses in FDB: /]
SKIPE T2,NDE
CALL BUILDE
HRROI T1,[ASCIZ /
Faulty long file page table addresses in FDB: /]
SKIPE T2,NPTTE
CALL BUILDE
HRROI T1,[ASCIZ /
Faulty addresses in page table: /]
SKIPE T2,NBPTE
CALL BUILDE
HRROI T1,[ASCIZ /
Page tables unreadable: /]
SKIPE T2,NBPT
CALL BUILDE
HRROI T1,[ASCIZ /
Faulty addresses in long file page table: /]
SKIPE T2,NBPTTE
CALL BUILDE
HRROI T1,[ASCIZ /
Long file page tables unreadable: /]
SKIPE T2,NBPTT
CALL BUILDE
HRROI T1,[ASCIZ /
Illegal addresses: /]
SKIPE T2,NIDA
CALL BUILDE
HRROI T1,[ASCIZ /
Multiply assigned addresses: /]
SKIPE T2,NMDA
CALL BUILDE
HRROI T1,[ASCIZ /
Search addresses found: /]
SKIPE T2,NSDA
CALL BUILDE
HRROI T1,[ASCIZ /
Disk read errors: /]
SKIPE T2,NDSKER ;DISK ERRORS?
CALL BUILDE
HRROI T1,[ASCIZ /
File addresses not in bit table: /]
SKIPE T2,NNBT ;PAGES ASSIGNED TO FILES BUT NOT IN BIT TABLE?
CALL BUILDE
HRROI T1,[ASCIZ /
Assigned pages marked in BAT blocks: /]
SKIPE T2,NABAT ;ANY ASSIGNED PAGES THAT ARE BAD?
CALL BUILDE
TMSG <
- - - - - - - -
>
RET
BUILDE: PSOUT ; THE STRING POINTER TO BY T1
MOVEI T3,^D10 ; BASE 10 TYPEOUT
CALLRET TTNOUT ; AND TYPE THE NUMBER
;PNTFIL - PRINT FILE SPEC
PNTFIL: HRROI T1,DIRNAM
PSOUT ;PRINT STR:<DIRECTORY>
DMOVE T1,[G2BPT 2,7,0]
MOVE T2,DEFNAM
MOVE T3,[POINT 7,TMPBUF]
ILDB T4,T1
IDPB T4,T3
SKIPE T4
JRST .-3
HRROI T1,TMPBUF
PSOUT ;PRINT THE FILE NAME
MOVEI T1,"."
PBOUT
DMOVE T1,[G2BPT 2,7,0]
MOVE T2,DEFEXT
MOVE T3,[POINT 7,TMPBUF]
ILDB T4,T1
IDPB T4,T3
SKIPE T4
JRST .-3
HRROI T1,TMPBUF
PSOUT ;PRINT EXTENSION
MOVEI T1,"."
PBOUT
HRRZ T2,DEFVER
MOVEI T1,.PRIOUT
MOVEI T3,^D10
NOUT ;PRINT VERSION
JFCL
RET
;MRKPT - MARK THE BIT TABLE FOR ONE PAGE TABLE
;ACCEPTS:
; T1/DISK ADDRESS OF INDEX BLOCK
; F/MR%PT (PASSED TO MRKBTB)
;RETURNS +1:ALWAYS
;THIS ROUTINE IS CALLED DURING THE BITTABLE, REBUILD, AND SCAN FUNCTIONS.
;GIVEN THE DISK ADDRESS OF A PAGE TABLE (INDEX BLOCK), IT READS THE
;PAGE TABLE AND SCANS THE ADDRESSES IN IT. FOR EACH NON-ZERO ADDRESS
;IT CALLS MRKBTB TO ASSIGN THE PAGE POINTED TO BY THE ADDRESS
MRKPT: PUSH P,T1
MOVEI T2,PT ;T2/STARTING ADDRESS TO READ INTO
CALL DSKRED ;READ INDEX BLOCK
JRST [ AOS NBPT ;INCREMENT COUNT OF UNREADABLE PAGE TABLES
AOS NBAD ;INCREMENT TOTAL COUNT OF ERRORS
POP P,T1 ;RESTORE DISK ADDRESS
RET] ;IGNORE THIS PAGE TABLE
MOVEI T1,PT ;T1/ADDRESS OF PAGE TABLE
CALL CHKCSM ;CHECK/RESET CHECKSUM
JRST [ AOS NBPT ;INCREMENT COUNT OF UNREADABLE PAGE TABLES
AOS NBAD ;INCREMENT TOTAL COUNT OF ERRORS
POP P,T1 ;RESTORE DISK ADDRESS
RET] ;IGNORE THIS PAGE TABLE
;LOOP THROUGH WORDS IN PAGE TABLE
MOVSI P2,-1000 ;P2/(-COUNT,,OFFSET INTO PT)
MRKPT1: MOVE T1,PT(P2) ;GET NEXT ADDRESS FROM PAGE TABLE
TLZ T1,(ADRMSK) ;GET STORAGE ADR
JUMPE T1,MRKPT2 ;SKIP IF ZERO
MOVEM T1,PT(P2) ;SAVE ADDRESS OF PAGE IN FILE
CALL MRKBTB ;ASSIGN PAGE IN BOTH BIT TABLES
AOS NBPTE ;FAILED. INCREMENT COUNT OF BAD ADDRESSES IN PT
MRKPT2: AOS PAGNN ;POINT TO NEXT FILE PAGE
SKIPN NIDA ;QUIT IMMED IF SEEN ILLEG ADDRESSES
AOBJN P2,MRKPT1 ;GO TO NEXT ENTRY
;END OF PAGE TABLE
POP P,T1 ;RESTORE ADDRESS OF INDEX BLOCK
RET
;MRKBTB - MARK THE BIT TABLE FOR ONE PAGE
;ACCEPTS:
; T1/DISK ADDRESS TO MARK IN BIT TABLE
; F/FLAG INDICATING WHAT CALLED THIS ROUTINE (MEANINGFUL ONLY IF
; PAGNN IS NEGATIVE)
;RETURNS +1:DISK ADDRESS BAD
; 1/DISK ADDRESS WITH BITS 0-14 TURNED OFF
; +2:DISK ADDRESS GOOD
; 1/DISK ADDRESS WITH BITS 0-14 TURNED OFF
;THIS ROUTINE IS CALLED DURING THE BITTABLE, REBUILD, AND SCAN FUNCTIONS
;WHEN A PAGE HAS BEEN IDENTIFIED AS IN USE (FILE PAGE, SWAP PAGE, ETC.)
;ACTION DEPENDS ON FUNCTION:
;SCAN - SEE IF THIS ADDRESS IS BEING SEARCHED FOR
;BITTABLE - ASSIGN PAGE IN LOCAL BIT TABLE
;REBUILD - ASSIGN PAGE IN LOCAL AND SYSTEM BIT TABLE
;THIS ROUTINE PRINTS ONE-LINE MESSAGES THAT CONTAIN THE DISK ADDRESS AND
;DESCRIPTION OF HOW THE PAGE IS USED
MRKBTB: TLZ T1,(DSKMSK)
SAVET
STKVAR <ASAVE>
MOVEM T1,ASAVE ;SAVE DISK ADDRESS
TXNN F,MR%DIR ;IS THIS A DIRECTORY FILE?
SKIPGE PAGNN ;FILE PAGE?
JRST [ AOS OVERHD ;DIRECTORY PAGE OR OVERHEAD SO COUNT IT
JRST MRKBT5]
AOS PAGCNT ;YES. COUNT AS FILE PAGE
MRKBT5: CALL SEEADR ;SEE IF ADDRESS IS MARKED IN BAT BLOCKS
JRST [ MOVX T4,ER%BAT ;INDICATE THIS IS A BAD BLOCK
SOS OVERHD ;PREVIOUSLY COUNTED AS OVERHEAD. PAGE
; IS IN USE
SOS BATCNT ;DECREMENT COUNT OF UNUSED BAD PAGES
JRST BATA] ;GO REPORT IT
MRKBT4: SKIPN T2,DALIST ;AOBJN POINTER TO LIST OF ADDRESSES INPUT
; VIA SCAN COMMAND
JRST MRKBT1 ;NOT SCANNING FOR DISK ADDRESSES
;SCANNING FOR ADDRESSES CONTAINED IN DATAB LIST. SEE IF THIS ADDRESS
;IS IN THE LIST.
CAMN T1,DATAB(T2)
JRST SDA ; ADDRESS IS BEING SEARCHED
AOBJN T2,.+1
AOBJN T2,.-3
RETSKP ;NOT IN THE LIST. DON'T TRY TO MARK BIT TABLE
;DOING BIT TABLE CONSISTENCY CHECK. ASSIGN THIS PAGE IN BOTH BIT TABLES
;T1/SECTOR NUMBER RELATIVE TO START OF STRUCTURE
MRKBT1: CALL DSKASA ;ASSIGN IN LOCAL BIT TABLE
JRST [ TXNE T4,ER%IDA ;FAILED. ILLEGAL ADDRESS?
JRST IDA ;YES. GO REPORT ERROR
TXNE T4,ER%MDA ;NO. PAGE NOT AVAILABLE?
JRST MDA ;YES. GO REPORT ERROR
TMSG <
% DSKASA returned unknown error
>
JRST .+1]
MOVE T1,ASAVE ;T1/SECTOR NUMBER
MOVE T2,STRDEV ;T2/STRUCTURE 0
DSKAS ;TRY TO ASSIGN THE PAGE
RETSKP ;FAILED. GOOD.
;TRIED TO ASSIGN PAGE IN SYSTEM BIT TABLE AND SUCCEEDED. THIS IS AN
;ERROR BECAUSE SYSTEM SHOULD HAVE KNOWN ABOUT THE FILE PAGE
SKIPE REBLDF ;IF REBUILDING, BIT TABLE HAS BEEN INITIALIZED
RETSKP ; SO IGNORE
;ERROR CONDITIONS. T4 CONTAINS ERROR FLAG. IF ERROR WAS ILLEGAL ADDRESS
;OR MULTIPLY ASSIGNED, TAKE NON-SKIP RETURN SO CALLER CAN INCREMENT COUNT
;OF FAULTY ADDRESSES. IF ADDRESS IS MARKED IN BAT BLOCKS, CONTINUE
;AS IF NOTHING HAD HAPPENED.
;PAGE IS NOT ASSIGNED IN SYSTEM BIT TABLE
TMSG <Disk address >
MOVE T2,ASAVE ;T2/SECTOR NUMBER
MOVEI T3,10 ;T3/RADIX
CALL TTNOUT ;PRINT THE SECTOR NUMBER
TMSG < not in bit table >
SETZ T4, ;INDICATE NOT AN ERROR TO AVOID FAILURE RETURN
AOS NNBT ;INCREMENT COUNT OF NOT IN BT'S
JRST MRKBTP
;DISK ADDRESS IS INVALID
IDA: TMSG <Illegal disk address >
AOS NIDA ;INCREMENT COUNT OF ILLEGAL ADDRESS
JRST SDA1
;THIS ADDRESS IS BEING SEARCHED FOR VIA SCAN COMMAND.
SDA: TMSG <Found disk address >
SETZ T4, ;INDICATE NOT AN ERROR TO AVOID NON-SKIP RETURN
AOSA NSDA ;INCREMENT THE COUNT OF ADDRESSES FOUND
SDA1: SETZM WRTLPF ;SUPPRESS LOST-PAGES FILE, ETC.
MOVE T2,DATAB+1(T2)
MOVEI T3,10
CALL TTNOUT
JRST MRKBTP
;PAGE WAS ALREADY ASSIGNED.
MDA: MOVEM T1,DATAB+1(T2) ;Save address of multiply assigned page
TMSG <Multiply assigned disk address >
AOS NMDA ;INCREMENT COUNT OF MULTIPLY ASSIGNED ADDRESSES
JRST SDA1
;THIS DISK ADDRESS IS RECORDED IN THE BAT BLOCKS.
BATA: TMSG <Disk address >
MOVE T2,ASAVE ;GET SECTOR NUMBER
MOVEI T3,10 ;T3/OCTAL
CALL TTNOUT ;PRINT THE ADDRESS
TMSG < marked in BAT blocks>
AOS NABAT ;INCREMENT COUNT OF BAD ADDRESSES
JRST MRKBTP ;GO PRINT THE FILE PAGE
;PRINT FILE PAGE WHERE ERROR OCCURRED
MRKBTP: AOS NBAD ;INCREMENT COUNT OF TOTAL ERRORS
SKIPGE T2,PAGNN ;GET PAGE NUMBER
JRST MRKBT2 ;NEGATIVE MEANS NOT A FILE PAGE
TMSG <: File page >
MOVEI T3,10 ;T3/RADIX
CALL TTNOUT ;PRINT PAGE NUMBER
JRST MRKBT3
;NOT A FILE PAGE. F INDICATES WHAT IT IS.
MRKBT2: TXNE F,MR%PT ;IS THIS A PAGE TABLE?
JRST [ TMSG <: Page table> ;PAGE TABLE
JRST MRKBT3]
TXNE F,MR%PTT ;NO. IS IT A PAGE TABLE TABLE?
JRST [ TMSG <: Long file page table>
JRST MRKBT3] ;PAGE TABLE TABLE
TXNE F,MR%SWP ;NO. IS IT SWAPPING SPACE?
JRST [ TMSG <: Swapping space>
JRST MRKBT3]
TXNE F,MR%SPC ;NO. IS IT A SPECIAL BLOCK?
JRST [ TMSG <: Special system blocks>
JRST MRKBT3]
MRKBT3: TMSG <
>
JUMPE T4,RSKP ;IF NOT REALLY AN ERROR, TAKE SKIP RETURN
TXNN T4,ER%BAT ;WAS IT A BAD ADDRESS
RET ;NO. TAKE ERROR RETURN
MOVE T1,ASAVE ;RESTORE SECTOR NUMBER
JRST MRKBT4 ;GO CONTINUE
;FIXCNT - FIX THE COUNT OF FILE PAGES FOR ONE FILE
;ACCEPTS:
; NOTHING IN AC'S, BUT DIRNAM,DEFNAM,DEFEXT,DEFVER MUST BE SET UP
;RETURNS +1:ALWAYS
;CALLED BY BUILD WHEN A FILE'S PAGE COUNT IN THE FDB DISAGREES WITH
;LOCAL COUNT OF DATA PAGES. DOES OPENF AND CLOSF TO FORCE THE UPDATE.
;NOTE THAT THE COUNT WILL NOT BE UPDATED IF ANYONE ELSE HAS THE FILE OPEN
;UNTIL THE LAST CLOSE OCCURS. IN THE CASE OF ROOT-DIRECTORY.DIRECTORY
;AND SOME OTHERS THAT ARE NEVER CLOSED, THE COUNT WILL NOT BE UPDATED
FXCNAM: BLOCK 21
FXCEXT: BLOCK 21
FIXCNT: SAVEAC <Q1,Q2> ;save some ACs
STKVAR<JFN1>
DMOVE T1,[G2BPT 2,7,0]
MOVE T2,DEFNAM ;GET THE NAME POINTER
DMOVE T3,[G2BPT 0,7,FXCNAM] ;GET THE NEW STRING POINTER
CALL FIXCN2 ;BUILD A NICE STRING FOR GTJFN
DMOVE T1,[G2BPT 2,7,0]
MOVE T2,DEFEXT ;GET POINTER TO EXTENSION
DMOVE T3,[G2BPT 0,7,FXCEXT] ;GET THE NEW STRING POINTER
CALL FIXCN2 ;BUILD A NICE STRING FOR GTJFN
MOVEI T1,GTJBLK ;T1/ ADDRESS OF GTJFN BLOCK
MOVX T2,GJ%DEL!GJ%XTN!GJ%OLD!GJ%PHY ;OLD FILE,deleted,extended block
HRR T2,DEFVER ;VERSION NUMBER OF THIS FILE
MOVEM T2,.GJGEN(T1) ;(FLAGS,,VERSION NUMBER)
MOVX T2,G1%IIN ;invisible files too
MOVEM T2,.GJF2(T1) ;mark in extended flags
MOVE T2,[.NULIO,,.NULIO] ;NULL DEVICE FOR INPUT AND OUTPUT
MOVEM T2,.GJSRC(T1) ;(INPUT JFN,,OUTPUT JFN)
SETZM .GJDEV(T1) ;NO DEFAULT DEVICE
SETZM .GJDIR(T1) ;NO DEFAULT DIRECTORY
MOVEI T2,FXCNAM ;POINTER TO CURRENT FILENAME
MOVEM T2,.GJNAM(T1) ;MAKE THIS THE DEFAULT
MOVEI T2,FXCEXT ;POINTER TO CURRENT EXTENSION
MOVEM T2,.GJEXT(T1) ;MAKE THIS THE DEFAULT
SETZM .GJPRO(T1) ;NO DEFAULT PROTECTION
SETZM .GJACT(T1) ;NO DEFAULT ACCOUNT STRING
SETZM .GJJFN(T1) ;NO SPECIFIC JFN
HRROI T2,DIRNAM ;T2/ STR:<DIRECTORY>
GTJFN ;GET A JFN ON THE CURRENT FILE
JRST [ PNTERR (<Unable to fix count for file>,FIXCN1,FILE)]
HRRZS T1 ;T1/JFN WITHOUT FLAGS
MOVEM T1,JFN1 ;SAVE IT
MOVX T2,OF%RD!OF%PDT ;T2/READ ACCESS, DON'T CHANGE ACCESS DATE
OPENF ;OPEN THE FILE
JRST [ MOVE T1,JFN1 ;FAILED. T1/JFN
TXO T2,OF%THW!OF%RD!OF%PDT ;T2/THAWED, READ, DON'T CHANGE DATE
OPENF ;OPEN IT THAWED THIS TIME
JRST [ PNTERR (<Unable to fix count for file>,FIXCN1,FILE)]
JRST .+1] ;SUCCEEDED
MOVE T1,JFN1 ;T1/JFN
MOVEI T4,.FBBYV ;OFFSET TO BE CHANGED
STOR T4,CF%DSP,T1 ;SAVE IT IN T1
MOVX T2,FB%PGC ;T2/MASK FOR PAGE COUNT FIELD
MOVE T3,PAGCNT ;T3/NEW PAGE COUNT TO BE STORED
CHFDB ;PUT CORRECT PAGE COUNT IN FDB
ERJMP [PNTERR (<Unable to fix count for file>,,FILE)
JRST .+1]
MOVE T1,JFN1 ;T1/JFN
CLOSF ;CLOSE THE FILE
JFCL ;IGNORE FAILURE
FIXCN1: RET
FIXCN2: ;ROUTINE TO JACKET STRINGS WITH ^V'S
;T1/ OLD STRING POINTER
;T4/ NEW STRING POINTER
MOVEI Q1,"V"-100 ;GET A CONTROL V
FIXCN3: ILDB Q2,T1 ;GET A BYTE
JUMPE Q2,FIXCN4 ;NULL BYTE?
IDPB Q1,T3 ;NO SO PUT A CONTROL V
IDPB Q2,T3 ;AND THEN THE REAL CHARACTER
JRST FIXCN3 ;AND LOOP
FIXCN4: IDPB Q2,T3 ;APPEND A NULL
RET ;RETURN TO CALLER
;CHECK CHECKSUM IF NEW FORMAT XB'S
; T1/ LOCATION OF XB
CHKCSM: PUSH P,Q1
PUSH P,T1 ;SAVE XB LOCATION
HRRZ T2,T1
ADD T2,[XBCKSM] ;GET EXISTING CHECKSUM FROM XB
MOVEI T1,Q1 ;PUT IT INTO Q1
CALL LDXBD
MOVE T1,0(P)
CALL DOCSM ;COMPUTE CHECKSUM
SETCA Q1, ;SUBTRACT CHECKSUMS (1'S COMPL)
ADD T1,Q1
POP P,0(P)
POP P,Q1
CAME T1,[-1] ;0? (OR -0)
JUMPN T1,[TMSG < Checksum incorrect
>
RET]
JRST RSKP
;COMPUTE CHECKSUM
; T1/ ADDRESS OF PT
DOCSM: MOVSI T4,-1000
SETZ T3, ;COMPUTE CHECKSUM IN C
JCRY0 .+1
DOCSM1: MOVE T2,@T1
TLZ T2,(ADRMSK) ;LOOK ONLY AT ADDRESS PART OF WORD
SKIPN T2 ;EMPTY?
HRRZ T2,T4 ;YES, USE INDEX IN CHECKSUM
ADD T3,T2
JCRY0 [AOJA T3,.+1] ;DO END-AROUND CARRY
AOS T1 ;next word
AOBJN T4,DOCSM1
MOVE T1,T3 ;RETURN CHECKSUM IN T1
RET
;LOAD/STORE DATA IN INDEX BLOCK.
;SINCE THE STORAGE ADDRESS IS ONLY 23 BITS, THE REMAINING PORTION
;OF EACH WORD CAN BE USED TO STORE USEFUL INFORMATION, E.G. A
;CHECKSUM OF THE INDEX BLOCK. THESE ROUTINES PACK AND UNPACK
;THE DATA FROM THE XB USING B0-8 OF SUCCESSIVE WORDS.
; T1/ ADDRESS OF WORD(S)
; T2/ NUMBER OF XB WORDS,,XB ADDRESS + OFFSET
; CALL STXBD/LDXBD
; RETURN +1 ALWAYS, DATA MOVED BETWEEN XB AND C(C(T1))
;STORE DATA INTO INDEX BLOCK
STXBD: HRLI T1,(<POINT 9,0>) ;INIT PTR TO CALLERS DATA
STXBD1: ILDB T3,T1 ;GET BYTE FROM CALLER
DPB T3,[POINT 9,0(T2),8] ;PUT IT IN XB
AOBJN T2,STXBD1 ;INCREMENT THROUGH XB
RET
;LOAD FROM XB
LDXBD: HRLI T1,(<POINT 9,0>) ;INIT PTR TO CALLERS STORAGE
LDXBD1: LDB T3,[POINT 9,0(T2),8] ;GET BYTE FROM XB
IDPB T3,T1 ;PUT IT IN CALLERS STORAGE
AOBJN T2,LDXBD1 ;SCAN THROUGH XB
RET
;ITEMS IN INDEX BLOCK VECTOR
XBCKSM==<-4,,0> ;CHECKSUM--4 WORDS BEGINNING AT 0
DSKRED: PUSH P,T1
MOVE T3,T2
TLZ T1,(ADRMSK)
MOVE T4,STRDEV ;GET STRUCTURE NUMBER
TXO T1,DOP%SN ;SET TO ALL ONES
TXO T1,<FLD .DOPSR,DOP%AT>
MOVEI T2,1000 ;WORD COUNT
DSKOP
SKIPE T1
AOSA NDSKER ;DSK READ ERR
AOS -1(P)
POP P,T1
MOVE T2,T3
RET
DSKWRT: PUSH P,T1
MOVE T3,T2
TLZ T1,(ADRMSK)
TXO T1,<FLD .DOPSR,DOP%AT>
MOVE T4,STRDEV ;GET STRUCTURE NUMBER
TXO T1,DOP%SN ;SET TO -1
MOVX T2,DOP%WR+1000
DSKOP
SKIPE T1
JRST [ AOS NDSKER
TMSG <Disk write error
>
JRST .+1]
POP P,T1
MOVE T2,T3
RET
;FINBTB - CALLED WHEN DONE. PRINTS COUNTS OF FREE AND USED PAGES
;BEFORE AND AFTER THE ASSIGNMENTS
FINBTB: TMSG <
Local count of file pages: >
MOVE T2,TOTPGS ;GET COUNT OF FILE PAGES
MOVEI T3,12 ;DECIMAL RADIX
CALL TTNOUT
TMSG <
Local count of overhead pages: >
MOVE T2,OVERHD ;GET COUNT OF OVERHEAD PAGES
MOVEI T3,12 ;DECIMAL RADIX
CALL TTNOUT ;PRINT THE COUNT
TMSG <
Local count of used pages: >
MOVE P1,LOTRK
SUB P1,HITRK
HRLZS P1
HRR P1,LOTRK ;LOTRK-HITRK ,, LOTRK
SETZ T2,
ADD T2,LOCBTB(P1) ;COUNT FREE PAGES FOR CYLINDER
AOBJN P1,.-1
MOVNS T2 ;NEGATIVE OF TOTAL FREE
MOVE T3,HITRK
IMUL T3,PAGCYL ;GET TOTAL PAGES
ADD T2,T3 ;TOTAL USED
ADD T2,BATCNT ;ADD PAGES THAT ARE MARKED BAD BUT NOT
; USED BY A FILE
MOVEI T3,12
CALL TTNOUT ;PRINT LOCAL COUNT OF USED PAGES
TMSG <
>
SKIPE REBLDF ;REBUILDING BIT TABLE?
JRST FINBT1 ;YES. NEXT COUNT IS MEANINGLESS
TMSG<
System count before CHECKD: >
MOVE T2,ZUSED ;SYSTEM'S COUNT OF USED AT BEGINNING
MOVEI T3,12
CALL TTNOUT ;PRINT ORIGINAL COUNT
;NEXT PAGE ....
FINBT1: TMSG <
System count after CHECKD: >
MOVE T1,STRDEV ;DEVICE DESIGNATOR FOR STR
GDSKC ;GET SYSTEM COUNTS
MOVE T2,T1 ;GET COUNT OF USED
CALL TTNOUT ;PRINT CURRENT COUNT
TMSG <
>
;GENERATE LOST PAGES LIST. MAP SYSTEM BIT TABLE AND COMPARE WITH
;LOCALLY GENERATED VERSION. OUTPUT DIFFERENCES.
SKIPN REBLDF ;ARE WE REBUILDING THE BIT TABLE?
JRST FNDLS8 ;NO.
MOVX T1,DA%WRT ;T1/WRITE THE BIT TABLE
MOVE T2,STRDEV ;T2/STRUCTURE 0
DSKAS ;COPY PRIVATE COPY OF BIT TABLE TO FILE
JRST [ PNTERR(<Failed to write bit table file>)
JSERR
RET]
RET ;SUCCESS. DON'T DO THE REST
;HERE WHEN NOT REBUILDING THE BIT TABLE. GET A JFN ON BIT TABLE FILE,
;OPEN IT AND MAP IT TO OUR ADDRESS SPACE
FNDLS8: PUSH P,P1 ;SAVE AC
HRROI T2,[ASCIZ /<ROOT-DIRECTORY>DSKBTTBL/]
CALL ADDSTR ;ADD STRUCTURE NAME
MOVX T1,GJ%OLD!GJ%SHT!GJ%PHY
GTJFN ;GET JFN ON BIT TABLE FILE
JRST [ PNTERR(<GTJFN failure for <ROOT-DIRECTORY>DSKBTTBL>)
RET]
MOVEM T1,BTBJFN ;SAVE THE JFN
MOVEI T2,OF%RD+OF%THW ;T1/READ ACCESS, THAWED
OPENF ;OPEN THE BIT TABLE FILE
JRST [ PNTERR(<OPENF failure for <ROOT-DIRECTORY>DSKBTTBL>)
RET]
HRLZ T1,BTBJFN ;SOURCE (PAGE 0 OF BIT TABLE FILE)
MOVE T2,[.FHSLF,,SYSBTB/PGSIZ] ;DESTINATION (SYSBTB AREA OF THIS FORK)
MOVE T3,BTBPGS ;NUMBER OF PAGES IN FILE
TXO T3,PM%CNT+PM%RD+PM%CPY ;MAP WITH COPY-WRITE
PMAP ;MAP BIT TABLE FILE TO CORE STARTING AT SYSFCT
SETZM OUTJFN ;NO FILE YET
SETZM LOSTOT ;INIT COUNT OF LOST PAGES
MOVN P1,HITRK ;SETUP TO SCAN ALL TRACKS
HRLZS P1
;LOOP THROUGH PAGES IN BIT TABLE, COMPARING WITH LOCAL COPY. REPORT
;INCONSISTENCIES AND FIX WHERE NECESSARY
FNDLS1: MOVE T1,LOCBTB(P1) ;GET OUR COUNT
CAME T1,SYSBTB(P1) ;AGREES WITH SYSTEM?
JRST [ CALL FNDLS2 ;NO, FIGURE OUT DIFFERENCE
JRST FNDLS1] ;TRY AGAIN
AOBJN P1,FNDLS1 ;DO ALL TRACKS
;ALL CYLINDERS HAVE BEEN CHECKED. WRITE FILE OF LOST PAGES IF THERE
;ARE ANY. NOTE THAT WRITING IS SUPPRESSED IF ERRORS HAVE OCCURRED.
SKIPG LOSTOT ;ANY LOST PAGES?
JRST [ TMSG <There are no lost pages.
> ;NO. DON'T CREATE LOST-PAGES FILE
JRST FNDLSX]
;OPEN A FILE AND DUMP LOST PAGES LIST
TMSG <There are >
MOVE T2,LOSTOT
MOVEI T3,^D10 ;OUTPUT IT IN DECIMAL
CALL TTNOUT
TMSG < lost pages
>
SKIPN WRTLPF ;WRITE FILE?
JRST [ TMSG <%Suppressed writing of lost pages file , too many errors
>
SKIPE JOBNO ;SKIP IF JOB 0
SKIPN STRMNT ; OR NO MOUNTED STR
JRST FNDLSX ;THEN DONE
TMSG <% Warning -- structure still mounted with exclusive access
so that errors may be fixed.
>
SETZM STRMNT ;CLEAR FLAG
JRST FNDLSX] ;FINISH UP
HRROI T1,ATMBUF ;BUILD FILESPEC HERE
HRROI T2,STRHOM ;START WITH STR NAME
MOVEI T3,0
SOUT
MOVEI T2,"-"
IDPB T2,T1
HRROI T2,[ASCIZ /LOST-PAGES.BIN/]
SOUT ;COMPLETE SPEC
MOVX T1,GJ%FOU!GJ%SHT!GJ%PHY
HRROI T2,ATMBUF ;FILESPEC TEXT PNTR
GTJFN ;GET A JFN FOR LOST PAGES FILE
JRST [ PNTERR(<GTJFN failure for lost pages file>,FNDLS9)]
MOVEM T1,OUTJFN ;SAVE JFN FOR LOST PAGES FILE
MOVE T2,[44B5+OF%WR] ;T2/36-BIT BYTES, WRITE ACCESS
OPENF ;OPEN IT
JRST [ PNTERR(<Failed to open lost pages file>,FNDLS9)]
TMSG<
Addresses are in file >
MOVEI T1,.PRIOU
MOVE T2,OUTJFN ;HAVE OUTPUT FILE?
MOVX T3,1B2+1B5+1B8+1B11+1B14+1B35
JFNS ;PRINT NAME
TMSG <
>
CALL LPFWRT ;WRITE THE HEADER
MOVE T1,OUTJFN ;THE DESTINATION
MOVE T2,[POINT 36,LOSBUF] ;POINT TO LIST
MOVE T3,LOSTOT ;GET NUMBER OF LOST PAGES
CAILE T3,MAXLOS ;MORE THAN THE BUFFER SIZE?
MOVEI T3,MAXLOS ;YES, DON'T WRITE MORE THAN WAS REMEMBERED
MOVN T3,T3 ;MAKE NEGATIVE
SOUT ;WRITE THE FILE
ERJMP [PNTERR (<Output error or quota exceeded>,FNDLS9)]
MOVE T1,OUTJFN
CLOSF
JFCL
JRST FNDLSX
FNDLS9: TMSG <
?File was not written
>
;UNMAP THE BIT TABLE AND CLOSE THE FILE
FNDLSX: SETO T1,
MOVE T2,[.FHSLF,,SYSBTB/PGSIZ]
MOVE T3,BTBPGS ;NUMBER OF PAGES
TXO T3,PM%CNT
PMAP ;UNMAP SYSTEM BIT TABLE PAGES
MOVE T1,BTBJFN
CLOSF
JFCL
POP P,P1 ;RESTORE AC
RET
;FIND DIFFERENCE IN BITS, COMPUTE CORRESPONDING ADDRESS
FNDLS2: HRRZ T4,P1 ;GET TRACK NUMBER
IMUL T4,BTWCYL ;COMPUTE INDEX TO BIT TABLE
ADD T4,BTBTOP ;POINT INTO BOTTOM HALF
MOVN T1,BTWCYL ;GET NUMBER OF BIT WORDS PER CYLINDER
HRL T4,T1 ;T4/(-COUNT,,T1DDRESS OF BIT WORD)
FNDLS4: MOVE T1,LOCBTB(T4) ;GET OUR BIT WORD
XOR T1,SYSBTB(T4) ;GET DIFFERENCE
JFFO T1,FNDLS3 ;JUMP IF HAVE A DIFFERENCE
AOBJN T4,FNDLS4 ;DIFFERENCE NOT IN THAT WORT4, TRY NEXT
;HERE WHEN THE LOCAL AND SYSTEM BIT TABLES DISAGREE IN FREE PAGE COUNT FOR
;A TRACK AND EITHER
; 1) ALL THE BIT WORDS FOR THAT CYLINDER AGREE
; OR
; 2) ONE OR MORE PAGES ARE MARKED AS ASSIGNED IN THE LOCAL BIT AND
; FREE IN THE SYSTEM BIT TABLE
;NOTE THAT THE LATTER SHOULD NOT OCCUR SINCE IT SHOULD HAVE PRODUCED A
;'NOT IN BIT TABLE' MESSAGE EARLIER AND BEEN CORRECTED.
;IF PAGES ARE MARKED AS FREE IN THE LOCAL TABLE AND ASSIGNED IN THE SYSTEM
;TABLE, THEY WILL BE IDENTIFIED AS LOST PAGES
FNDLS7: TMSG <?Bit tables inconsistent at cylinder >
HRRZ T2,P1 ;GET CYLINDER NUMBER
MOVEI T3,10 ;T3/OCTAL
CALL TTNOUT ;PRINT THE CYLINDER NUMBER
MOVE T1,LOCBTB(P1) ;COPY THE LOCAL (PRESUMED CORRECT) COUNT
MOVEM T1,SYSBTB(P1) ; TO THE SYSTEM COUNT. NOTE: DOES NOT CHANGE
; THE COPY ON THE DISK
TMSG <
>
RET
FNDLS3: MOVSI T1,(1B0) ;GET BIT
MOVN T3,T2
LSH T1,0(T3)
TDNE T1,SYSBTB(T4) ;BIT WAS OFF IN SYSTEM (PAGE ASSIGNED)?
JRST FNDLS7 ;NO. PAGE SHOULD HAVE BEEN ASSIGNED
IORM T1,SYSBTB(T4) ;NOTE PAGE NOW NOT ASSIGNED
AOS SYSBTB(P1) ;ADJUST COUNT
HRRZ T1,P1 ;GET TRACK NUMBER
IMUL T1,SECCYL ;GET SECTOR COUNT
HLRE T3,T4 ;GET INDEX TO BIT TABLE
ADD T3,BTWCYL
IMULI T3,^D36 ;COMPUTE PAGE WITHIN TRACK
ADD T2,T3
IMUL T2,SECPAG ;COMPUTE SECTOR WITHIN TRACK
ADD T1,T2 ;DSKADR = TRACK ADR + SEC WITHIN TRK
CALL SEEADR ;SEE IF A BAT BLOCK
RET ;YES. DONT PUT IT IN LOST FILE
AOS T2,LOSTOT ;COUNT IT
CAILE T2,MAXLOS ;STILL ROOM?
JRST [ HRROI T1,[ASCIZ /
?Lost pages buffer full, further lost pages will be ignored.
/]
CAIN T2,MAXLOS+1 ;FIRST TIME?
PSOUT ;YES. TELL HIM
RET] ;AND GIVE UP
MOVEM T1,LOSBUF-1(T2) ;STORE LOST PAGE
RET
;ROUTINE TO SEE IF A DISK ADDRESS IS A BAT BLOCK
; T1/ DISK ADDRESS
;
;RETURUNS +1: A BAT BLOCK
; +2: NOT A BAT BLOCK
SEEADR: SAVET ;SAVE ALL OF THE "T" ACS
MOVEI T3,BPRBLK ;START OF THE PAIRS
SEEIF: SKIPN (T3) ;AT THE END?
RETSKP ;YES, RETURN +2
MOVE T2,0(T3) ;GET START RANGE
TLZ T2,777000 ;MASK OUT FLAGS
MOVE T4,1(T3) ;GET END RANGE
TLZ T4,777000 ;MASK OUT FLAGS
CAML T1,T2 ;IN RANGE?
CAMLE T1,T4 ;IN RANGE?
SKIPA ;NO, NEXT PAIR
RET ;YES,RETURN
ADDI T3,4 ;NEXT PAIR
JRST SEEIF ;GO SEE IF THE NEXT PAIR IN ONE
;OUTPUT NUMBER IN B TO TERMINAL
; 2/NUMBER
; 3/RADIX
TTNOUT: MOVEI T1,101
NOUT
JFCL
RET
;READ LINE INTO LINE BUFFER
; T1/ JFN FROM WHICH TO READ
RDLIN: PUSH P,Q1
HRLZ T4,T1 ;T4=INJFN,,OUTJFN
HRRI T4,.PRIOU
MOVEI T1,T2 ;T1=ADR OF PARAMETER BLOCK
MOVEI T2,4 ;B=COUNT OF PARAMETERS
MOVSI T3,(RD%BRK+RD%RAI+RD%BEL+RD%JFN) ;C=FLAGS, BREAK ON EOL AND USE JFNS
HRROI Q1,LINBUF ;E=PTR TO LINE BUFFER
MOVEI Q2,NLINB*5 ;F=MAX BYTE COUNT
TEXTI
JSHLT
TLNN T3,(RD%BTM) ;TERMINATED PROPERLY?
JFCL ;NO, MUST BE END OF FILE
MOVE T1,Q1 ;RETURN UPDATED BFR PTR
POP P,Q1
RET
;GET YES/NO ANSWER FROM TERMINAL. C(T1) := PROMPT STRING
YESNO: STKVAR <ANSWER,QUEST>
MOVEM T1,QUEST ;SAVE FOR ERROR
YESNO1: MOVE T1,QUEST ;GET PROMPT STRING
CALL CMDINI ;INIT CMD AND PROMPT
MOVEI T1,[FLDDB.(.CMKEY,,YESNOT)]
CALL COMNDX ;GET RESPONSE
ERROR YESNO1,<Invalid response>
MOVEM T2,ANSWER ;SAVE ANSWER
CALL CMDEOL ;GRNTEE CR
JRST YESNO1 ;ERROR
MOVE T2,ANSWER ;PICKUP RESPONSE
HRRE T1,0(T2) ;RETURN -1 FOR YES, 0 FOR NO
RET
YESNOT: 2,,2 ;COUNT OF ENTRIES
TB (0,NO)
TB (-1,YES)
;ROUTINES TO CHECK CONSISTENCY OF DIRECTORY AND FDB'S
;ROUTINE TO CHECK THE CONSISTENCY OF THE HEADER ON THE FIRST DIR PAGE
;ASSUMES DIR IS MAPPED
;ACCEPTS IN T1/ DIR NUMBER
; CALL DR0CHK
;RETURNS +1: HEADER IS SCREWED UP
; +2: OK
;DOES NOT SAVE TEMPORARY ACS
DR0CHK: MOVE T4,DIRORA ;GET BASE ADR OF MAPPED DIR AREA
LOAD T2,DRNUM,(T4) ;GET DIR NUMBER
ERJMP DR0CHB ;ERROR IF NON-EXISTENT PAGE
CAME T1,T2 ;DO THE DIRECTORY NUMBERS MATCH?
JRST DR0CHB ;NO
LOAD T2,DRTYP,(T4) ;GET BLOCK TYPE
CAIE T2,.TYDIR ;IS BLOCK TYPE CORRECT?
JRST DR0CHB ;NO
LOAD T2,DRRPN,(T4) ;GET RELATIVE PAGE #
JUMPN T2,DR0CHB ;MUST BE 0
LOAD T2,DRSTP,(T4) ;GET TOP OF SYMBOL TABLE
SOS T2 ;GET LAST WORD USED
LSH T2,-PGSFT ;TURN IT INTO PAGE #
CAIL T2,NDIRPG ;WITHIN BOUNDS?
JRST DR0CHB ;NO
LOAD T2,DRFFB,(T4) ;GET ADR OF FIRST FREE BLOCK
TRZ T2,777 ;IT MUST POINT ONTO THIS PAGE
JUMPN T2,DR0CHB
LOAD T1,DRNAM,(T4) ;NOW CHECK NAME BLOCK
JUMPE T1,DR0CH1 ;DONT WORRY IF NO NAME
CALL NAMCHK ;MAKE SURE THIS IS A NAME BLOCK
RET ;NO
DR0CH1: LOAD T1,DRPSW,(T4) ;GET PASSWORD POINTER
JUMPE T1,DR0CH2 ;COULD BE 0
CALL NAMCHK ;CHECK BLOCK TYPE
RET ;FAILED CHECK
DR0CH2: RETSKP ;EVERYTHING IS IN ORDER
DR0CHB: TMSG <DR0CHK: Illegal format for page 0>
RET
;FDBCHK - ROUTINE TO CHECK AN FDB
;ACCEPTS IN T1/ ABSOLUTE ADR OF FDB
; CALL FDBCHK
;RETURNS +1: BAD FDB
; +2: FDB OK
;ALL ACS ARE SAVED AND RESTORED
FDBCHK: SAVET ;SAVE ALL ACS USED
STKVAR <FDBCHA,FDBCHF>
MOVEM T1,FDBCHA ;SAVE ADR OF FDB
CALL ADRCHK ;CHECK THIS ADDRESS
JRST FDBBAD ;NOT GOOD
LOAD T2,FBTYP,(T1) ;GET BLOCK TYPE
LOAD T3,FBLEN,(T1) ;GET LENGTH OF BLOCK
CAIL T3,.FBLN0 ;MUST BE GREATER THAN GROUND 0 LENGTH
CAIE T2,.TYFDB ;BLOCK TYPE MUST BE "FDB"
JRST FDBBAD ;BAD FDB
LOAD T1,FBNAM,(T1) ;GET POINTER TO NAME STRING
JUMPE T1,FDBBAD ;MUST ALWAYS BE SET UP
CALL NAMCHK ;CHECK NAME
RET ;BAD
MOVE T1,FDBCHA ;GET BACK FDB ADR
LOAD T1,FBEXT,(T1) ;GET POINTER TO EXT STRING
JUMPE T1,FDBCH2 ;MIGHT NOT BE SET UP YET
CALL EXTCHK ;CHECK EXT BLOCK
RET ;BAD
FDBCH2: MOVE T1,FDBCHA ;GET FDB ADR AGAIN
LOAD T1,FBACT,(T1) ;GET POINTER TO ACCOUNT STRING
JUMPLE T1,FDBCH3 ;SEE IF THERE IS AN ACCOUNT STRING
CALL ACTCHK ;YES, CHECK ITS BLOCK TYPE
RET ;BAD
FDBCH3: MOVE T1,FDBCHA ;GET BACK FDB ADDR
LOAD T2,FBVER,(T1) ;GET VERSION #
CAIGE T2,1 ;VER #1 OR LATER?
JRST FDBCH6 ;OLDER - JUST EXIT
LOAD T1,FBLWR,(T1) ;GET LAST WRITER STRING
JUMPE T1,FDBCH5 ;IGNORE OF NONE
CALL UNSCHK ;CHECK ITS BLOCK TYPE
RET ;BAD
FDBCH5: MOVE T1,FDBCHA ;FDB ADDRS AGAIN
LOAD T1,FBAUT,(T1) ;GET AUTHOR STRING
JUMPE T1,FDBCH6 ;ALL DONE IF NONE
CALL UNSCHK ;CHECK ITS BLOCK TYPE
RET ;BAD
FDBCH6: RETSKP ;FDB LOOKS OK
FDBBAD: TMSG <FDBBAD: Illegal format FDB>
RET
;ROUTINE TO CHECK A NAME BLOCK
;ACCEPTS IN T1/ RELATIVE ADR OF NAME BLOCK
; CALL NAMCHK
;RETURNS +1: BAD BLOCK TYPE
; +2: OK
;ALL ACS SAVED AND RESTORED
NAMCHK: SAVET ;SAVE ALL ACS
ADD T1,DIRORA ;MAKE ADDRESS ABSOLUTE
CALL ADRCHK ;CHECK THIS ADDRESS
JRST NAMBAD ;NO GOOD
LOAD T2,NMTYP,(T1) ;GET BLOCK TYPE
LOAD T3,NMLEN,(T1) ;GET LENGTH
CAIL T3,2 ;MUST BE AT LEAST 2 WORDS LONG
CAIE T2,.TYNAM ;AND MUST BE A NAME BLOCK
JRST NAMBAD ;LOSE
RETSKP ;NAME BLOCK OK
NAMBAD: TMSG <NAMBAD: Illegal format for name block>
RET
;ROUTINE TO CHECK AN EXTENSION BLOCK
;ACCEPTS IN T1/ RELATIVE ADR OF EXTENSION BLOCK
; CALL EXTCHK
;RETURNS +1: BAD BLOCK
; +2: OK
;SAVES AND RESTORES ALL ACS
EXTCHK: SAVET
ADD T1,DIRORA ;MAKE ADDRESS ABSOLTE
CALL ADRCHK ;SEE IF ADR IS GOOD
JRST EXTBAD ;NO GOOD
LOAD T2,EXTYP,(T1) ;GET TYPE
LOAD T3,EXLEN,(T1) ;AND LENGTH
CAIL T3,2 ;LENGTH MUST BE AT LEAST 2
CAIE T2,.TYEXT ;EXTENSION TYPE OK?
JRST EXTBAD ;NO GOOD
RETSKP ;OK
EXTBAD: TMSG <EXTBAD: Illegal format for extension block>
RET
;ROUTINE TO CHECK AN ACCOUNT STRING BLOCK
;ACCEPTS IN T1/ RELATIVE ADR OF ACCOUNT STRING BLOCK
; CALL ACTCHK
;RETURNS +1: BAD ACCOUNT BLOCK
; +2: OK
;SAVES AND RESTORES ALL ACS
ACTCHK: SAVET
ADD T1,DIRORA ;GET ABS ADR
CALL ADRCHK ;CHECK ADR
JRST ACTBAD ;BAD ADR
LOAD T2,ACTYP,(T1) ;GET BLOCK TYPE
LOAD T3,ACLEN,(T1) ;AND LENGTH
CAIL T3,3 ;MUST BE AT LEAST 3 WORDS LONG
CAIE T2,.TYACT ;ACCOUNT BLOCK TYPE?
JRST ACTBAD ;NO
RETSKP ;OK
ACTBAD: TMSG <ACTBAD: Illegal format for account block>
RET
;ROUTINE TO CHECK A USER NAME STRING BLOCK
;ACCEPTS IN T1/ RELATIVE ADR OF NAME STRING BLOCK
; CALL UNSCHK
;RETURNS +1: BAD USER NAME BLOCK
; +2: OK
;SAVES AND RESTORES ALL ACS
UNSCHK: SAVET
ADD T1,DIRORA ;GET ABS ADDR
CALL ADRCHK ;CHECK ADDR
JRST UNSBAD ;BAD ADDRS
LOAD T2,UNTYP,(T1) ;GET BLOCK TYPE
LOAD T3,UNLEN,(T1) ; AND LENGTH
CAIL T3,3 ;MUST BE AT LEAST 3
CAIE T2,.TYUNS ;USER NAME BLOCK TYPE?
JRST UNSBAD ;SOMETHING WRONG
RETSKP ;GIVE GOOD RETURN
UNSBAD: TMSG <UNSBAD: Illegal format for user name block>
RET
;ROUTINE TO CHECK THAT AN ADR IS WITHIN THE DIR BOUNDS
;ACCEPTS IN T1/ ABS ADR TO BE CHECKED
; CALL ADRCHK
;RETURNS +1: ILLEGAL ADR
; +2: OK
ADRCHK: MOVE T2,DIRORA ;GET UPPER BOUNDS
ADD T2,[NDIRPG*PGSIZ]
CAML T1,DIRORA ;ABOVE LOWER LIMIT?
CAML T1,T2 ;AND BELOW UPPER LIMIT?
RET ;NO
RETSKP ;YES, ADR IS OK
;CALLED AT STARTUP AND EXIT. CLOSE ALL FILES, RELEASE ALL JFN'S, CLEAR
;DEFAULT FILESPEC
RESET: MOVNI T1,1
CLOSF ;CLOSE ALL OPEN FILES
JFCL
MOVE T1,[CZ%NCL+.FHSLF]
CLZFF ;RELEASE ALL JFNS
SETZM DEFVER
MOVE T1,[XWD DEFVER,DEFVER+1]
BLT T1,DEFEXT+4
SETZM PSFLG ;RESET PS FLAG
RET
DSPINT: REPEAT ^D36,<
CALL BADINT>
;USER TYPED CTRL/Y OR SOME OTHER INTERUPT BYTE
SUMINT: PUSH P,T1
PUSH P,T2
PUSH P,T3
SKIPN DIRNUM ;ONLY IF ACTUALLY DOING SOMWTHING
JRST SUMBAT
TMSG <Working on directory >
MOVEI T1,101
MOVE T2,DIRNUM
DIRST
JFCL
TMSG <
>
DBK: POP P,T3
POP P,T2
POP P,T1
DEBRK
SUMBAT: SKIPN BATLST ; ARE WE DOING A VERIFY PASS?
JRST DBK ; NO, IGNORE THE INTERUPT
TMSG <Working on page >
MOVE T2,BATLST ; GET LAST SECTOR WE STARTED AT
IDIV T2,SECPAG ; CONVERT TO A PAGE NUMBER
MOVEI T3,^D8
CALL TTNOUT ; TYPE NUMBER
TMSG < out of >
MOVE T2,LSTSEC ; GET THE END
SUB T2,FSTSEC ; GET THE LENGTH
IDIV T2,SECPAG ; CONVERT TO A PAGE NUMBER
MOVEI T3,^D8
CALL TTNOUT ; AND TYPE IT
SKIPN T2,FSTSEC ; ARE WE GOING OVER THE WHOLE DISK
JRST SUMBT2 ; YES, JUST GET OUT AND GIVE THE PERCENTAGE
TMSG < (> ; INDICATE RANGE START
IDIV T2,SECPAG ; CONVERT TO A PAGE NUMBER
MOVEI T3,^D8
CALL TTNOUT ; GIVE THE NUMBER
TMSG </>
MOVE T2,LSTSEC
IDIV T2,SECPAG ; CONVERT TO A PAGE NUMBER
MOVEI T3,^D8
CALL TTNOUT
TMSG <)> ; CLOSE OFF RANGE
SUMBT2: TMSG < pages. (>
MOVE T1,LSTSEC ; THE END OF THE AREA
SUB T1,FSTSEC ; GET LENGTH
MOVE T2,BATLST ; GET THE ONE WE ARE ON
SUB T2,FSTSEC ; AND GET THE OFFSET INTO THE AREA
IMULI T2,^D100 ; SAVE TWO DECIMAL PLACES
IDIV T2,T1 ; AND CALCULATE THE PERCENTAGE
MOVEI T3,^D10
CALL TTNOUT ; OUTPUT THE NUMBER
TMSG <%>
SKIPN FSTSEC ; DID WE START AT THE START OF THE STRUCTURE
JRST SUMBT3 ; YES, FORGET THIS STUFF
TMSG < of unit >
MOVE T2,THSUNI ; GET OUR UNIT NUMBER
ADDI T2,1 ; LOGICAL UNITS START AT 1, NOT ZERO
MOVEI T3,^D10
CALL TTNOUT
SUMBT3: TMSG <)
>
JRST DBK ; DONE WITH THE INTERUPT
BADINT: PUSH P,T1
PUSH P,T2
PUSH P,T3
TMSG <
Unexpected interrupt, channel >
HRRZ T2,-3(P) ;GET PC OF DISPATCH IN DSPINT
SUBI T2,DSPINT+1 ;MAKE RELATIVE
MOVEI T1,.PRIOU
MOVEI T3,^D8
NOUT ;TYPE CHANNEL NUMBER
JFCL
TMSG <
>
POP P,T3
POP P,T2
POP P,T1
POP P,0(P)
DEBRK ;IGNORE IT
;USER TYPED CTRL/C
CONTC: SKIPE REBLDF ;REBUILDING BIT TABLE?
JRST NOCNTC ;YES - SPECIAL WARNING
CALL DISMNT ;NO - DISMOUNT STR IF ANY
TMSG <^C
>
JRST QUIT
NOCNTC: PUSH P,T1 ;SAVE AN AC
TMSG <% Cannot interrupt bit table rebuild, ignored ...
>
POP P,T1
DEBRK
END <4,,ENTVEC>