SVC 17 (0A11)

RESTORE macro - is type 3, gets no lock.

Calls module IGC0001G, entry point IGC017.

GTF data is:
R15 and R0
No applicable data.
R1
Address of the pointer to the PIRL created by PURGE or a pointer to the fullword of X'xxFFFFFF', which means there are no requests to RESTORE.
PLIST
Bytes, as follows:
Note: PIRRSTR and PIRDVRU are repeated the number of times specified in PIRCNT.