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1982-10-13
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3KB
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101 lines
sttl System Variables
pag
*
* Miscellaneous System Variables
*
*
* All in this block are in system page (SYSPAG).
*
base SYSPAG<<12
irqvec rmb 2 irq vector
swivec rmb 2 swi vector
sw2vec rmb 2 swi2 vector
sw3vec rmb 2 swi3 vector
nmivec rmb 2 nmi vector
frqvec rmb 2 firq vector
cputyp rmb 2 cpu type
usrtop rmb 1 segment number of current user top page
kernal rmb 1 flag set if in kernal address space
chproc rmb 1 scheduling flag
chgvec rmb 2 change tasks vector
corcnt rmb 1 core segment count
lstmem rmb 2 end marker of memory table
teluch rmb 1 tell rom to change user map
memmsk rmb 1 memory mask code for mapper
romspr rmb 1 rom dependent spare byte
sbpag rmb 1 current system buffer page
runlst rmb 2 head of linked list of running tasks
slplst rmb 4 head of sleep linked list
rtdir rmb 2 pointer to fdn of root directory
gentid rmb 2 generic for unique task id's
rdytci rmb 1 ready to come in flag
rdytgo rmb 1 ready to go out flag
jobpri rmb 1 scheduling info
stimh rmb 2 system time - hi part
stiml rmb 2 system time - lo part
lbolt rmb 1 lightning bolt event flag
tzone rmb 2 time zone bias (minutes)
dstflg rmb 1 daylight savings flag
hertz rmb 1 clock tick counter
restim rmb 1 task residence time
updlck rmb 1 lock for sys update
rtdev rmb 2 device of root
pipdev rmb 2 pipe device
swapdv rmb 2 swap device
swploc rmb 2 location of swap space
cfreel rmb 2 clist free header
cbufct rmb 1 clist buffer count
lcbuf rmb 1 last char buffer count
tmhead rmb 2 timeout list head
tmavl rmb 2 timeout available list
tmlst rmb 2 last timeout slot
memfst rmb 2 first avail memory segment
memlst rmb 2 last avail memory segment
syspnt rmb 2 temp system map pointer
txttab rmb 2 start of text table
timtab rmb 2 start of timeout table
mtable rmb 2 start of mount table
tsktab rmb 2 start of task table
tskend rmb 2 end of task table
hdrtab rmb 2 start of header table
cbuffr rmb 2 start of character buffer
fdntab rmb 2 start of fdn table
ofiles rmb 2 start of open file table
ttytab rmb 2 start of tty tables
ttqtab rmb 2 start of tty q headers
fdnbsy rmb 2 head of busy fdn's
fdnfre rmb 4 head of free fdn's
fstsir rmb 2 list of sir blocks
tgtbuf rmb 6 buffer for ttyget
lkbeg rmb 2 begin of lock table
lkend rmb 2 end of lock table
tmtupf rmb 1 auto update flag
tmtuct rmb 1 auto update counter
swpend rmb 2 end of swap table pointer
swpbeg rmb 3 swap space start address
swpsiz rmb 2 swap space block count
swpisz rmb 1 swap in size
swpptr rmb 2 swap table pointer
swppag rmb MAXPAGES+1 swap mem map
swpint rmb MAXPAGES+1 swap in mem map
swpbuf rmb 28 swap buffer header
inargx rmb 1 count of 'in arg expansion' tasks
dpoolb rmb 2 data pool start
dpoole rmb 2 data pool end
exctbl rmb 2 start of exec names
sabbsy rmb 1 accounting buffer busy
actfil rmb 2 accounting file table
sbttim rmb 4 system boot time
stablk rmb 4 status - blocks transfered
stafre rmb 3 status - blocks freed
stadsk rmb 3 status - disk waits
staswp rmb 2 status - swap ins
systmp rmb 2 system temporary
maptbl rmb 2 mem map table start