1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
;/**
; * @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
|