SVC 143 (0A8F)

GENKEY, RETKEY, CIPHER, or EMK macro - is type 4, gets no lock. GTF data is:
R15 and R0
No applicable data.
R1
Address of the parameter list. Parameter list is determined by the macro that is invoked.
Note: This SVC is used when Cryptographic Unit Support (CUSP) or Programmed Cryptographic Facility (PCF) macros are run on a system with Integrated Cryptographic Service Facility/MVS (ICSF/MVS) installed.