The exits receive control in the following environment:
- In supervisor state with PSW key 0.
- In dispatchable unit mode of task.
- In cross memory mode of PASN=HASN=SASN.
- In AMODE 31.
- In primary ASC mode.
- Enabled for I/O and external interrupts.
- With no locks held.
- With parameter areas in the primary address space. The parameter
area for IEASDUMP.GLOBAL or IEASDUMP.LOCAL is mapped by the IHASDEXI
mapping macro.