Type ASSEMBLE
Source Lines : 1,341
Fixes Applied : 11
Most Recent Version : Thursday, December 7, 1978
Last Fix ID : [HRC072DK]
Module
DMKHVC
Function
TO PERFORM SERVICES FOR VIRTUAL MACHINES AS REQUESTED VIA THE DIAGNOSE INSTRUCTION.
Attributes
REENTRANT, RESIDENT, ENTERED VIA 'GOTO' FROM DMKPRVLG
Operation
THE FUNCTION CODE CONTAINED IN THE ADDRESS FIELD OF THE DIAGNOSE INSTRUCTION IS EXAMINED FOR VALIDITY. A SPECIFICATION EXECPTION IS REFLECTED TO THE VIRTUAL MACHINE IF THE CODE IS UNRECOGNIZED OR NOT A MULTIPLE OF 4. A PRIVILEGED-OPERATION INTERRUPT IS GENERATED IF A RESTRICTED SERVICE IS REQUESTED BY THE VIRTUAL MACHINE. SERVICES AVAILABLE VIA VIRTUAL DIAGNOSE ARE AS FOLLOWS: