Opcode INVLPG


CPU: I486 +
Type of Instruction: System

Instruction: INVLPG mem

Description:

IF found in data or code (if both) (or common if single)
TLB entry with linear address (page part) same as
memory operand then mark this entry as Invalid;

Notes: This instruction not work in Real Mode and in
Protected mode work only in ring 0 ;

Flags Affected: None

CPU mode: RM,PM,VM,SMM

Physical Form: INVLPG mem
COP (Code of Operation): 0FH 01H mm111mmm
Clocks: Cyrix Cx486SLC : 4
i486 : 12 if hit
: 11 if not hit
Pentium : 25


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