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sources/rms/rmsglb.mac
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TITLE GLOBLS
SEARCH RMSMAC
;FUNCTION: THIS MODULE CONTAINS ALL GLOBAL VARIABLES WHICH
; ARE USED BY EACH RMS-20 USER.
; HOWEVER IT DEFINES THEM AS SYMBOLS RATHER THAN DATA.
; ON THE 20, THE UNDERLYING PAGES ARE CREATED AUTOMATICALLY.
; ON THE 10, THE CREATE-PAGE FUNCTION OF PAGE. UUO IS USED
; TO CREATE THE UNDERLYING PAGES.
;
;
;
; COPYRIGHT (C) DIGITAL EQUIPMENT CORPORATION 1977, 1986.
; ALL RIGHTS RESERVED.
;
; THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND
; COPIED ONLY IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE AND WITH
; THE INCLUSION OF THE ABOVE COPYRIGHT NOTICE. THIS SOFTWARE OR
; ANY OTHER COPIES THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE
; AVAILABLE TO ANY OTHER PERSON. NO TITLE TO AND OWNERSHIP OF THE
; SOFTWARE IS HEREBY TRANSFERRED.
;
; THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT
; NOTICE AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL
; EQUIPMENT CORPORATION.
;
; DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF
; ITS SOFTWARE ON EQUIPMENT THAT IS NOT SUPPLIED BY DIGITAL.
;
;
;
;AUTHOR: S. BLOUNT/RL
;
;
;********** TABLE OF CONTENTS **************
;
;
;
;
; ROUTINE FUNCTION
; ======= ========
;
; GLOBALS GLOBAL DECLARATIONS
;
;
;
;
;REVISION HISTORY:
;
;EDIT DATE WHO PURPOSE
;==== ==== === =========
;
;1 28-JUL-76 SB ADD DEXTR1
;2 1-NOV-76 SB ADD FDBWORD1
;3 28-NOV-76 SB ADD CBD
;4 1-APR-77 SB ADD SAVEDCF
;5 8-OCT-79 AU ADD 'RMSTACK' FOR INTERNAL USE
;
;*************************************************
;* *
;* NEW REVISION HISTORY *
;* *
;*************************************************
;
;PRODUCT MODULE SPR
; EDIT EDIT QAR DESCRIPTION
;====== ====== ===== ===========
;
;
; ***** END OF REVISION HISTORY *****
;
; ***** Start V2 development *****
;
;PRODUCT MODULE SPR
; EDIT EDIT QAR DESCRIPTION
;====== ====== ===== ===========
;
;301 300 XXXXX Extended addressing support
;450 - (SWE,DIL) Add INTMSK, user's NXP interrupt
;451 - XXXXX Change PAGTAB to use more of memory
;504 Make PDLL bigger for IMAGE & stuff
;572 (DR/AN) Add TOPS-10, static allocation
SUBTTL GLOBAL DATA DCLS
IFNDEF GL$STATIC,GL$STATIC==TOP$10 ; Static allocation on TOPS-10 only
; for now, and probably forever ;a572
; DCL$GL - DEFINE GLOBAL AS SYMBOL AND UPDATE CURR OFFSET INTO GLOBS AREA
;
IFE GL$STATIC <
DEFINE DCL$GL(NAME$,SIZE$)<
NAME$=:RMS$$G + G$OFFS ;;DEFINE LOCATION OF SYMBOL
G$OFFS==G$OFFS+SIZE$ ;;HOP OVER THE BLOCK SO DEFINED
>
EXTERN RMS$$G ;STARTING ADDR OF GLOBALS SET IN LINK CMD LIST
>;ELSE
IFN GL$STATIC <
DEFINE DCL$GL(NAME$,SIZE$)<
NAME$:: BLOCK SIZE$
>
RMS$$G:: ;STARTING ADDR OF GLOBALS SET IN LINK CMD LIST
>
G$OFFS==0 ;INIT OFFSET
PDLNG=:^D1000 ;SIZE OF RMS'S STACK ;m504
;SET IT SUCH THAT GLOBS AREA LT 2 PAGES
MAXLEV==^D15 ;KLUDGE: REAL DEF IN RMSLIB.REQ
MAXKSZW==^D64 ;KLUDGE: REAL DEF IN RMSLIB.REQ
DCL$GL ( RMSTACK, PDLNG) ;ONLY RMS STACK ON 1ST PAGE OF GLOBALS
; RMS INIT CODE (IN RMSOSM) NEEDS THIS
DCL$GL ( BUGFLG,1) ; VERBOSITY LEVEL OF DEBUGGING
DCL$GL ( BUGCOD, 1) ; ADDRESS OF ERROR STRING FOR LAST BUG
DCL$GL ( SAVEDCF,1) ; SAVE THE OLD CF HERE IN CARGS
DCL$GL ( ERRORROUTINE,1) ; ADDRESS OF ERROR ROUTINE ON I/O ERROR
DCL$GL ( INTFLG, 1) ; FLAG FOR 1ST CALL
DCL$GL ( NUMFREEPAGES, 1) ; CONTAINS # OF FREE CORE PAGES
DCL$GL ( FRECOR, 1) ; FIRST PAGE OF FREE CORE
; ADDRESS ABSOLUTELY BECAUSE SIZE
; OF SYMTAB UNKN EXCEPT BY INSPEC
DCL$GL ( PAGTAB, 760-440) ;[451] FSM PAGE-TAB (ALLOC MORE THAN ENUF P)
DCL$GL ( PLOGPAGE, 1) ; FREE PAGE # USED DURING OPEN FOR PROLOGUE
DCL$GL ( USERAC, 20) ; STORE USER AC'S HERE
DCL$GL ( UJSYS, 2) ;[300] STORE USER JSYS HERE
DCL$GL ( RETPC, 2) ;[300] STORE USER RETURN PC HERE
DCL$GL ( RMSSEC, 1) ;[300] RMS section number
DCL$GL ( USRSEC, 1) ;[300] USER's section number
DCL$GL ( BLKSEC, 1) ;[300] Section number of FAB/RAB
DCL$GL ( INTMSK, 1) ;[450] User's NXP interrupt mask
DCL$GL ( USRSTS, 1) ; CONTAINS USER ERROR CODE
DCL$GL ( USTOSF, 1) ;USER STAT TO USE IF OS FAILURE
DCL$GL ( RMSSTS, 1) ; CONTAINS RMS STATUS WORD
DCL$GL ( USRSTV, 1) ; ADDITIONAL STATUS INDORMATION
DCL$GL ( ACC$1, 1) ; STORAGE FOR REGISTER 1 ON AN IO ERROR
DCL$GL ( ACC$2, 1) ; SAME FOR REGISTER 2
DCL$GL ( ACC$3, 1) ; SAME FOR REGISTER 3
DCL$GL ( DVFLGS, 1) ; FLAGS FROM DEVCHR JSYS
DCL$GL ( FDBWORD1, 1) ; FIRST WORD OF FILE'S FDB
DCL$GL ( USERJFN, 1) ; TEMP STORAGE FOR JFN DURING $OPEN/$CREATE
DCL$GL ( ERRADR, 1) ; ADDRESS OF USER ERROR ROUTINE
DCL$GL ( OAFLAGS, 1) ; NON-ZERO IF $CRE/$OP FAILED AFTER FILE OPENED
DCL$GL ( PB, 1) ; ADDRESS OF USER RAB/FAB
DCL$GL ( FAB, 1) ; POINTER TO USER FAB
DCL$GL ( RAB, 1) ; POINTER TO USER RAB
DCL$GL ( RABUTL, 1) ; POINTER TO USER RAB CURR FOR $UTLINT
DCL$GL ( FPT, 1) ; POINTER TO FILE PROLOGUE
DCL$GL ( FST, 1) ; POINTER TO USER FST
DCL$GL ( RST, 1) ; POINTER TO USER RST
DCL$GL ( CBD, 1) ; POINTER TO CURRENT BUCKET DESCRIPTOR
DCL$GL ( ADB, 1) ; POINTER TO AREA DESCRIPTOR BLOCK
DCL$GL ( KDB, 1) ; POINTER TO CURRENT KEY DESCRIPTOR BLOCK
DCL$GL ( DEXTR1, 1) ; DUMMY EXTERNAL USED TO PASS AC VALUES
DCL$GL ( BUFACC, 1) ; COUNT OF BUFFER ACCESSES ( CALLS TO 'GETBUF')
DCL$GL ( BFOUND, 1) ; COUNT OF BUFFERS FOUND BY GETBUF
DCL$GL ( BFAULT, 1) ; COUNT OF BUFFERS NOT FOUND
DCL$GL ( BFCORE, 1) ; COUNT OF FREE CORE BUFFERS
DCL$GL ( PATH, MAXLEVELS) ; REMEMBERS INDEX PATH FOR UPDATING
DCL$GL ( LOOP1, 1) ; SPECIAL LOOP LOCATIONS CALLED
DCL$GL ( LOOP2, 1) ; ..BY INSRTUDR. THEY MUST BE HERE
DCL$GL ( LOOP3, 1) ; ..'CAUSE THE INSTRUCTIONS ARE BUILT
DCL$GL ( TBUFFER,MAXKSZW) ; BUFFER USED TO HOLD USER KEY
DCL$GL ( TUBUFF,MAXKSZW) ; BUFFER FOR USER KEY IN $FIND
;
DC$MES ; DCLS FOR RMSMES, DESC OF FIELDS THERE
DC$MS2 ; DCLS FOR RMSM2
;
;%([***THE FOLLOWING DECLARATIONS ARE TEMPORARY. THEY ARE USED ***])%
;%([***BY ROUTINES IN THE MODULE 'RMSOTS.MAC'. ONCE THE MEMORY ***])%
;%([***MANAGER JSYS IS AVAILABLE THESE DECLARATIONS CAN BE ***])%
;%([***TAKEN OUT. ***])%
;
DCL$GL (RMSAC, 20) ; SAVE RMS'S REGISTERS
DCL$GL (FUNC, 1)
DCL$GL (ERRCOD, 1)
DCL$GL (STAT, 1)
DCL$GL (ARG1, 1)
DCL$GL (ARG2, 1)
;
;%([*** END OF TEMPORARY DECLARATIONS ***])%
;
DCL$GL ( RMSEND, 0 ) ; THE LAST LOCATION OF RMS
FREEPAGES=:757-<RMSEND_-9> ; # OF PAGES USED BY FSM
;CAN BE RESET AT LINK TIME WITH /DEFINE
;DOES NOT APPLY FOR RMSCOB
END