Digital-Research-Source-Code/MPM OPERATING SYSTEMS/MPM-86/MPM-86 2.0 SOURCES/01/SYSDAT.FMT

;*****************************************************
;*
;*	System Data Area
;*
;*****************************************************

	DSEG
	org	0

	;
	;This data is initialized by GENSYS
	;

	;Module Table - contains the FAR CALL addresses
	;	of each module for their initialization
	;	and entry routines.
	;
	;	+---+---+---+---+---+---+---+---+
	;	|     entry     |   initialize  |
	;	+---+---+---+---+---+---+---+---+
	;
	;	      entry    init
	;	      -----    ----

module_table	equ	dword ptr (offset $)
supmod		equ 	(offset $)
		rw	4
rtmmod		equ 	(offset $)
		rw	4
memmod		equ 	(offset $)
		rw	4
ciomod		equ 	(offset $)
		rw	4
bdosmod		equ 	(offset $)
		rw	4
xiosmod		equ 	(offset $)
		rw	4
netmod		equ 	(offset $)
		rw	4
dispatcher	equ	(offset $)
		rw	2
rtm_pdisp	equ	(offset $)
		rw	2

	; location in memory of MP/M-86

mpmseg		rw	1	;1st parag. of MP/M
rspseg		rw	1	;segment of first RSP
endseg		rw	1	;1st parag. outside of MP/M

module_map	rb	1	;bit map of modules that exist
				; in this system.  low order bit
				; corresponds to 1st module in
				; module table.  If bit is on,then
				; module exists.

	; some answers to GENSYS questions

ncns		rb	1	;# system console devices
nlst		rb	1	;# system list devices
nccb		rb	1	;# character control blocks
nflags		rb	1	;# flags
srchdisk	rb	1	;default search disk
mmp		rw	1	;Max Memory per process
nslaves		rb	1	;Number of Network requestors
dayfile		rb	1	;if 0ffh, display command info
tempdisk	rb	1	;Temporary Disk
tickspersec	rb	1	;number of ticks per second

	; data lists created by GENSYS

free_root	rw	1	;locked unused list
ccb		rw	1	;addr. Console Ctrl Blk Table
flags		rw	1	;addr. Flag Table
mdul		rw	1	;Mem descr. Unused List
mfl		rw	1	;Memory Free List
pul		rw	1	;Proc. descr. Unused List
qul		rw	1	;QCB Unused List
qmau		rw	4	;MAU for queue buffer

	;
	;This data is initialized at Assembly time
	;

rlr		rw	1	;Ready List Root
dlr		rw	1	;Delay List Root
drl		rw	1	;Dispatcher Ready List
plr		rw	1	;Poll List Root
slr		rw	1	;Swap List Root
thrdrt		rw	1	;Process Thread Root
qlr		rw	1	;Queue List Root
mal		rw	1	;Memory Alloc List
version		rw	1	;addr. version str in SUP code segment
vernum		rw	1	;MPM-86 w/BDOS v3.0
mpmvernum	rw	1	;MPM-86 Version 1.0
tod		rb	5	;Time of Day Structure
ncondev		rb	1	;# XIOS consoles
nlstdev		rb	1	;# XIOS list devices
nciodev		rb	1	;# character i/o devices
				; supported by XIOS.
;syslrec
		rw	1	;Total Locked records
;syslfil
		rw	1	;Total Open files
lock_max	rb	1	;Max locked recs/process
		rb	1
open_max	rb	1	;Max Open files/process
		rb	1
;sysltot
		rw	1	;Total Locked List records
		rw	8	;Reserved
sysent		rb	256*3

	; System MX queues (preinitialized)
mxloadqd	rb	28
mxloadqpb	rb	16
mxcliqd		rb	28
mxcliqpb	rb	16
mxmemqd		rb	28
mxmemqpb	rb	16

	; Data Used by Load Program

load_dma	rb	dskrecl
load_uda	rw	1
load_lstk	rw	1
load_basep	rw	1
load_8080	rb	1
load_nrelsegs	rb	1
load_nldtabents	rw	1
load_pd		rw	1
load_fcb	rw	1
load_maxwanted	rw	1
load_minwanted	rw	1
load_indma	rw	1
ldtab		rb	ldtabsiz
		
	;
	; Data Used by Send Cli Command
	;

cli_dma		rb	dskrecl		;dma buffer

cli_net		rb	1		;net
cli_ppd		rw	1		;parent PD
cli_cmdtail	rb	130		;command sent
cli_fcb		rb	fcblen+1	;internal FCB
cli_cuspqpb	rb	16
cli_acb		rb	12
cli_pcb		rw	2
cli_pd		rw	1	;pd of load prog
cli_err		rw	1	;error return
cli_bpage	rw	1
cli_lddsk	rb	1	;load disk
cli_cns		rb	1	;pd.p_cns save
cli_user	rb	1	;pd.p_dsk save
cli_dsk		rb	1	;pd.p_user save
cli_err_mode	rb	1	;u_error_mode save

	;
	;System Initialization Variables
	;

		;User Data Area of Init process

	org	((offset $)+0fh) AND 0fff0h
inituda		rb	ulen
	org	((offset $)+0fh) AND 0fff0h
idleuda		rb	ulen
	org	((offset $)+0fh) AND 0fff0h
tickuda		rb	ulen
initpd		rb	pdlen
idlepd		rb	pdlen
tickpd		rb	pdlen
		rw	21
idle_tos	rw	3
		rw	21
tick_tos	rw	3
		rw	39
init_tos	rw	0
indisp	   	rb	1	;?currently in dispatch?
intflag		rb	1	;if 0, interrupts not enabled
		rw	18
dsptchtos	rw	0
es_sav		rw	1
bx_sav		rw	1
mxmemowner	rw	1
mxmemcount	rb	1