IA32FamilyCpuBasePkg/CpuMpDxe/IA32/CpuAsm.asm

  page    ,132
  title   CPU ARCHITECTURAL DXE PROTOCOL ASSEMBLY HOOKS
;------------------------------------------------------------------------------
;
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; Module Name:
;
;   CpuAsm.asm
; 
; Abstract:
; 
;   Assembly code that supports IA32 CPU architectural protocol
;
;------------------------------------------------------------------------------

.686p
.model  flat        

.stack
.code
.MMX
.XMM

ApMachineCheckHandler    PROC C    PUBLIC
  ;
  ; Clear MCIP flag of IA32_MCG_STATUS register
  ;
  mov     ecx, 17ah
  rdmsr
  btr     eax, 2
  wrmsr

  iretd
  
ApMachineCheckHandler ENDP

EXTERNDEF C ApMachineCheckHandlerEnd:BYTE

ApMachineCheckHandlerEnd LABEL BYTE

  end