z/VM: CP Commands and Utilities Reference - z/VM - IBM

Responses
Messages
RC = 12
Present the machine check then nullify the instruction. R2 will contain
the address of the MCRBK which will contain the machine check
information.
RC = 16
Generate machine check for processing damage, then go to
HCPENDOP to terminate the instruction.
RC = 20
Present the machine check, then go to HCPENDOP to terminate the
instruction. R2 will contain the address of the MCRBK, which contains
machine check information.
RC = 24
Issue error message or soft abend for paging I/O error, then nullify the
instruction. R1 has the message or abend number.
If a return code is invalid (negative, not a multiple of 4 or too big ( RC > 24 )),
then a soft abend will occur.
10. For more information about user-defined DIAGNOSE codes, see the z/VM: CP
Exit Customization book.
Response 1:
HCP002E Invalid operand - operand
To change the privilege class for DIAGNOSE code X'7C' from “any” to R, enter the
following:
modify diagnose 7c privclasses r
Ready;
HCP003E Invalid option - command contains
extra option(s) starting with option
HCP013E Conflicting option - option
HCP026E Operand missing or invalid
HCP770E MODIFY is not valid for Diagnose code
diag
HCP2751E The variations of this message are as
follows:
v Diagnose code diag does not exist
v Diagnose codes diag1-diag2 do not
exist
HCP6704E Missing token at end of line
MODIFY DIAGNOSE
HCP6706E The variations of this message are as
follows:
v Invalid privilege classes - classes
v Invalid entry point name - epname
v Invalid Diagnose code - diag
HCP6845E You must specify a privilege class
other than 0
Chapter 2. CP Commands 617