Intel 64 and IA-32 Architectures Software Developers Manual Volume 2B, Instruction Set Reference, N-Z

4-334 Vol. 2B
INSTRUCTION SET REFERENCE, N-Z
ELSE
IF ((IOPL < 3) and (VIP
= 0) and (VME = 1))
THEN
VIF
← 1; (* Set Virtual Interrupt Flag *)
ELSE
#GP(0); (* Trap to virtual-8086 monitor *)
FI;)
FI;
FI;
FI;
Flags Affected
The IF flag is set to 1; or the VIF flag is set to 1.
Protected Mode Exceptions
#GP(0) If the CPL is greater (has less privilege) than the IOPL of the
current program or procedure.
Real-Address Mode Exceptions
None.
Virtual-8086 Mode Exceptions
#GP(0) If the CPL is greater (has less privilege) than the IOPL of the
current program or procedure.
Compatibility Mode Exceptions
Same exceptions as in Protected Mode.
64-Bit Mode Exceptions
Same exceptions as in Protected Mode.