Opcode RDMSR


CPU: Pentium (tm), IBM 386SLC,486SLC,486SLC2
Type of Instruction: System

Instruction: RDMSR

Description:

IF (ECX is valid number of MSR) and (CPL=0) THEN
{
EDX:EAX <- MSR [ECX];
}
ELSE
{
General Protection Fault INT 0DH (0)
}
END

Refer to Appendix W for more info.

Flags Affected: None

CPU mode: RM,PM0,SMM

Physical Form: RDMSR
COP (Code of Operation): 0FH 32H
Clocks: Pentium : 20-24


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