src/vendorcode/amd/agesa/f15tn/Proc/CPU/cahalt64.asm

;/**
; * @file
; *
; * Agesa pre-memory miscellaneous support, including ap halt loop.
; *
; * @xrefitem bom "File Content Label" "Release Content"
; * @e project:      AGESA
; * @e sub-project:  CPU
; * @e \$Revision: 10071 $   @e \$Date: 2008-12-16 18:03:04 -0600 (Tue, 16 Dec 2008) $
; */
;*****************************************************************************
;
; Copyright 2008 - 2012 ADVANCED MICRO DEVICES, INC.  All Rights Reserved.
;
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;*****************************************************************************

 text  SEGMENT


;======================================================================
; ExecuteFinalHltInstruction:  Performs a hlt instruction.
;
;   In:
;       None
;
;   Out:
;       None
;
;   Destroyed:
;       eax, ebx, ecx, edx, esp
;
;======================================================================
ExecuteFinalHltInstruction PROC PUBLIC
@@:
    cli
    hlt
    jmp @B ;ExecuteHltInstruction
ExecuteFinalHltInstruction ENDP

;======================================================================
; ExecuteHltInstruction:  Performs a hlt instruction.
;
;   In:
;       None
;
;   Out:
;       None
;
;   Destroyed:
;       eax, ebx, ecx, edx, esp
;
;======================================================================
ExecuteHltInstruction PROC PUBLIC
    cli
    hlt
    ret
ExecuteHltInstruction ENDP

;======================================================================
; NmiHandler:  Simply performs an IRET.
;
;   In:
;       None
;
;   Out:
;       None
;
;   Destroyed:
;       None
;
;======================================================================
NmiHandler PROC PUBLIC
    iretq
NmiHandler ENDP

;======================================================================
; GetCsSelector:  Returns the current protected mode CS selector.
;
;   In:
;       None
;
;   Out:
;       None
;
;   Destroyed:
;       None
;
;======================================================================
GetCsSelector PROC PUBLIC
    ; This stub function is here to avoid compilation errors.
    ; At this time, there is no need to provide a 64 bit function.
    ret
GetCsSelector ENDP

;======================================================================
; SetIdtr:
;
;   In:
;       @param[in]   IdtPtr Points to IDT table
;
;   Out:
;       None
;
;   Destroyed:
;       none
;
;======================================================================
SetIdtr PROC PUBLIC
    ; This stub function is here to avoid compilation errors.
    ; At this time, there is no need to provide a 64 bit function.
    ret
SetIdtr ENDP

;======================================================================
; GetIdtr:
;
;   In:
;       @param[in]   IdtPtr Points to IDT table
;
;   Out:
;       None
;
;   Destroyed:
;       none
;
;======================================================================
GetIdtr PROC PUBLIC
    ; This stub function is here to avoid compilation errors.
    ; At this time, there is no need to provide a 64 bit function.
    ret
GetIdtr ENDP

;======================================================================
; ExecuteWbinvdInstruction:  Performs a wbinvd instruction.
;
;   In:
;       None
;
;   Out:
;       None
;
;   Destroyed:
;       None
;
;======================================================================
ExecuteWbinvdInstruction PROC PUBLIC
    wbinvd                        ; Write back the cache tag RAMs
    ret
ExecuteWbinvdInstruction ENDP

END