SVC 55 (0A37)

EOV macro - is type 4, gets LOCAL lock.

Calls module IGC0005E.

If MODE=24 (R1 not = 0), GTF data is:
R15
No applicable data.
R0
IOB address if:

DCBOFLGS = ...1 ....
DCBMACRF  = 0... ....
or
Internal code for problem determination if R1 is negative,
indicating DMABCOND was issued with the SVC = YES parameter,
or
X'0000 1000', indicating that the calling program is
requesting a 001 ABEND.

Note: If none of the listed situations is relevant, R0 must be cleared (set to zeros) or the results are unpredictable.
R1
DCB address. If R1 is negative, the DCB address must be in complement form and R0 is expected to contain an internal code for problem determination.
     
DDNAME cccccccc DDNAME associated with this request.
If MODE=31 (R1 = 0), GTF data is:
R15
31-bit address of AMB or DCB.
R0
IOB address if:

DCBOFLGS = ...1 ....
DCBMACRF = 0... ....

     
DDNAME cccccccc DDNAME associated with this request.
Parent topic: SVC descriptions