Some new transitions in hierarchical level structures

Authors:
K. Ekanadham;A. J. Bernstein
Affiliations:
State University of New York at Stony Brook, Stony Brook, NY;State University of New York at Stony Brook, Stony Brook, NY
Venue:
ACM SIGOPS Operating Systems Review
Year:
1978

Citing 4
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Abstract

In the context of hierarchical level structured designs, two new level transistions are discussed. A downward transfer to a lower level of the system is introduced which involves a modified return mechanism. An upward return for exception handling using trap registers is generalized to many levels. This results in a level switch which is more flexible without much additional overhead.