Intel IA-32 사용자 설명서

14-12 Vol. 3A

Check CPUID Feature Flags for MCE and MCA support
IF CPU supports MCE
THEN

IF CPU supports MCA
THEN

IF (IA32_MCG_CAP.MCG_CTL_P = 1)
(* IA32_MCG_CTL register is present *)
THEN

IA32_MCG_CTL 

←

 FFFFFFFFFFFFFFFFH;

(* enables all MCA features *)

FI

(* Determine number of error-reporting banks supported *)
COUNT

←

 IA32_MCG_CAP.Count;

MAX_BANK_NUMBER 

←

 COUNT - 1;

IF (Processor Family is 6H)
THEN

(* Enable logging of all errors except for MC0_CTL register *)
FOR error-reporting banks (1 through MAX_BANK_NUMBER)
DO

IA32_MCi_CTL 

←

 0FFFFFFFFFFFFFFFFH;

OD

(* Clear all errors *)
FOR error-reporting banks (0 through MAX_BANK_NUMBER)
DO

IA32_MCi_STATUS 

←

 0;

OD

ELSE IF (Processor Family is 0FH) (*any Processor Extended Family *)
THEN

(* Enable logging of all errors including MC0_CTL register *)
FOR error-reporting banks (0 through MAX_BANK_NUMBER)
DO

IA32_MCi_CTL 

←

 0FFFFFFFFFFFFFFFFH;

OD

(* BIOS clears all errors only on power-on reset *)
IF (BIOS detects Power-on reset)
THEN 

FOR error-reporting banks (0 through MAX_BANK_NUMBER)
DO

IA32_MCi_STATUS 

←

 0;

OD

ELSE