returning
to caller 2-69
register restoration 2-70 return location 2-69
RLD card routine 2-79
operation 2-79 S save area eMS system 2-32 eMS syste:n save area format 2-32 user save area format 2-32
saved system
effect on CMS as a 2- 109 handling of, CP 2-108 initialization 2-60 restrictions on CMS as a 2-109
service routines DMSFRE 2-105 TSO, of 2-122 SET" DOS ON comlla nd processing, VSAM 2- 60 SET SYSNAME cemlla nd processing 2- 61
setting ofticns in the virtual machine
environment 2-60 SHOWCB processing 2-120 simulation, of OS by CMS 2-122
simulation routines, OS OS simulation routines) SLC card routine 2-72
operation 2-72 SNAP macro 2-41 sranned records, uSage 2-43 SPIE macro 2-39 STAE macro 2-41
start- up table, called routi ne 2- 69
STATE command flow 2-131
status tables, file, eMS 2-86 STAX macro 2-41 STIMER macro 2-41
storage
allocated by DMSFREE 2-105 allocated by GETMAIN 2-105 allocation 2-20 CMS 2-17
constant initialization, CMS 2-58
free, allocation 2-100 map, CMS 2-58
organization of eMS files 2-86
protection keys 2-107 releasing 2-21
releasing of 2-104 storage relationships, DOS-OS-VSAM-user program 2-118 STOW macro 2-39 STRINIT macro 2-14 SVC calls (see S VC calls)
handling---
by user 2-27 commands entered from terminal 2-28
invalid SVCs 2-28
linkage 2-26 OS and DOS/VS SVC simulation 2-27
type of SVC 2-26
handling for 2-116
interrupt CMS internal linkage SVCs 2-7 other eMS SVCs 2-7
types 2-66
user handled 2-67 201 2-66 202 2-66 203 2-66 SVC calls DOS 2-67
invalid 2-67
as macro simulation 2-67 SVC 201 2-66 SVC 202 2-26,2-66
search hierarchy 2-28
search hierarchy for 2-68 SVC 203 2-27,2-66 SYNADAF macro 2-41 SYNADRLS macro 2-40 system
T
file, lIanagement 2-86
functions, CMS 2-53
save area format 2-70 table initialization, eMS 2-58
table, start-up, called routine 2-69
table entry
ESIDTB 2-83
REFTBL 2-84 TCLEARQ macro 2-41
terminal interruptions, in eMS 2-9 termination, abnormal (see abnormal
termination (abend» --- TESTeB processing 2-120
text files 2-71
executing 2-71
loading 2-71
TGET/TPUT macros 2-41
thrashing, VPK of 0 2-110 TIME macro 2-39
transient area (eMS) 2-13
transient prograll areas 2-68 TSC service routine, support of 2-122 TTIMER macro 2-40 TXT card routine 2-77
operation 2-77
2-262 IBM VM/370 System LOlic and Problem Determination Guide--Volulle 2

U user
exit routine processing 2-121
free stora ge, alloca tion of 2-104
handled SVCs 2-67
program areas 2-68
save area format 2-70 user program-CMSDOS-CMSVSAM storage
relationships 2-117
user storage
relationships 2-118
user-controlled device interrupts 2-9 USERSECT (User Area) 2-12 V virtual devices used in CMS 2-239
disk
accessing 2-9 3
organization 2-88
physical organization 2-88 PSi key 2-108 virtual machine
environment
querying options 2-60 setting options 2-60 initialization, eMS 2-57 Virtual Machine Facility/370 (VM/370), eMS 2-2
virtual storage, key 2-108 VM/370 Virtual Machine Facility/370 (VM/370) ) Volume Table of Contents (VTCe), support of
2-42 VPK of 0 caused overhead 2-110 VSAM CLOSE, as, simulation of 2-119 CMS support of 2-113,2-114
control block manipulation macros,
simulation of 2-120 execution for OS user 2-118
execution of, for a Des user 2-116 OPEN, OS, simulation of 2-119
processing, DMSDOS 2-116 SET DOS ON command processing 2-60
support of 2-43 VSAM-DOS-OS-user program storage
relationships 2-118 W WAIT macro 2-38 WRITE macro 2-44 iTO/iTOR macros 2-40 X
XCTL macro XDAP macro
2-38
2-38
Index 2-263