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;/**
; * @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 (c) 2011, Advanced Micro Devices, Inc.
; All rights reserved.
;
; Redistribution and use in source and binary forms, with or without
; modification, are permitted provided that the following conditions are met:
; * Redistributions of source code must retain the above copyright
; notice, this list of conditions and the following disclaimer.
; * Redistributions in binary form must reproduce the above copyright
; notice, this list of conditions and the following disclaimer in the
; documentation and/or other materials provided with the distribution.
; * Neither the name of Advanced Micro Devices, Inc. nor the names of
; its contributors may be used to endorse or promote products derived
; from this software without specific prior written permission.
;
; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
; DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;
;*****************************************************************************
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:
; None
;
; Out:
; None
;
; Destroyed:
; none
;
; WARNING: This routine has a mirror routine in the PREMEM segment.
; These two routines MUST be sync'd for content.
;======================================================================
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
;======================================================================
; 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
|
