NonStop S-Series Server Description Manual (G06.27+)

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Instruction Processing Environments

HP NonStop S-Series Server Description Manual—520331-004

5-11

Restricting Mode Transitions

Figure 5-5. Only Two Kinds of Mode Transitions Are Permitted

TNS

Code

Accele-

rated

Code

Native

Code

ABC

TNS

Code

UC UC UCr

Native

Code

Accele-

rated

Code

TNS

Code

SL SLr

Calls Within Mode

TNS to Accelerated

Accelerated to Native

Legend

VST265.vsd