The
normal function. If a virtual
returning control to
the instruction is used for communication between a virtual machine and
83
Rx, Ry
83
addresses or return codes passed to the
If the registers contain addresses, those addresses must be
real to the virtual machine issuing the
general
must be multiple of four.
reserved for IBM use, and
for users.
Because
does in a real machine, a program should determine that it is operating
in a virtual machine before issuing a diagnose instruction, and prevent
execution of a
processor in which it is executing, including the processor version
number. If
will be
A virtual machine issuing a diagnose instruction should run
pertaining to the diagnose operation such as condition codes and sense
data.
182 IBM