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|
;/**
; * @file
; *
; * Ids Assembly library 64bit
; *
; *
; * @xrefitem bom "File Content Label" "Release Content"
; * @e project: AGESA
; * @e sub-project: IDS
; * @e \$Revision: 14126 $ @e \$Date: 2009-05-21 23:02:32 +0800 (Thu, 21 May 2009) $
; */
;*****************************************************************************
;
; 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.
;
;*****************************************************************************
.code
IdsDelay PROC
push rax
push rdx
push rbx
xor rax,rax
xor rdx,rdx
rdtsc
;set target time
add eax,1500000000
adc edx,0
shl rdx,32
add rdx,rax
mov rbx,rdx
;rbx store the target
;set "Si!=0" skip below loop
__loop:
cmp si,0
jnz __loopexit
rdtsc
shl rdx,32
add rdx,rax
cmp rdx,rbx
jae __loopexit
jmp __loop
__loopexit:
pop rbx
pop rdx
pop rax
ret
IdsDelay ENDP
;/*++
;
;Routine Description:
;
; IdsErrorStop -- Function for Assert
;
;Arguments:
; Filecode
;
;Returns:
;
; None
;
;--*/
public IdsErrorStop
IdsErrorStop PROC
;As x64 calling convention RCX is used as input parameters
push rcx
push rbx
push si
push dx
push rbx
mov si,0 ; Si is used as control flag, "Si!=0" skip postcode loop
; send debug port 1st, then fire SimNow breakpoint
mov ax, 0deadh
out 0e0h, ax
mov eax, ecx
out 84h, eax
mov eax, 0BACCD00Bh ; Backdoor in SimNow
mov ebx, 2 ; Select breakpoint feature
cpuid
mov rax,0dead00000000h
or rcx,rax
;rcx= 0dead__FILECODE
shl rcx,16
;rcx= 0dead__FILECODE__0000
mov rbx,rcx
xor rax,rax
mov dl,6
IdsErrorStopLoop:
cmp dl,0
jz IdsErrorStopExit
cmp si,0
jnz IdsErrorStopExit
shld rax,rcx,8
shl rcx,8
out 80h,eax
call IdsDelay
dec dl
cmp dl,0
jnz _nextloop
mov dl,6
mov rcx,rbx
_nextloop:
jmp IdsErrorStopLoop
IdsErrorStopExit:
pop rbx
pop dx
pop si
pop rbx
pop rcx
xor rax,rax
ret
IdsErrorStop endp
END
|
