INVALIDATING A RANGE OF TWO OR MORE TRANSLATION TABLE ENTRIES AND INSTRUCTION THEREFOR

摘要

An instruction is provided to perform invalidation of an instruction specified range of segment table entries or region table entries. The instruction can be implemented by software emulation, hardware, firmware or some combination thereof.

主权项

1. A computer program product for invalidating a plurality of address translation table entries of a translation table in an emulation environment, wherein dynamic address translation of virtual addresses to main storage address is based on translation tables, the computer program product comprising:
a non-transitory storage medium readable by a processing circuit and storing instructions for execution by the processing circuit for performing a method comprising: executing, by a processor, a machine instruction, the executing comprising: based on the instruction, identifying, by the processor, a plurality of translation table entries; invalidating, by the processor, the identified plurality of translation table entries; and clearing a translation table lookaside buffer (TLB) of entries corresponding to the invalidated translation table entries.