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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
.include "asm/macros.inc"
.include "global.inc"
.section .data
.global cardi_rom_header_addr
cardi_rom_header_addr:
.word 0x027FFE00
.section .bss
.global cardi_rom_base
cardi_rom_base: ;0x03809774
.space 0x03809780 - 0x03809774
.global rom_stat
rom_stat: ;0x03809780
.space 0x038099A0 - 0x03809780
.section .text
arm_func_start CARDi_GetRomAccessor
CARDi_GetRomAccessor: ; 0x038008C4
ldr r0, _038008CC ; =_03800A7C
bx lr
_038008CC: .word _03800A7C
arm_func_start CARD_Init
CARD_Init: ; 0x038008D0
stmfd sp!, {lr}
sub sp, sp, #4
ldr r2, _03800940 ; =cardi_common
ldr r0, [r2, #252] ; 0xfc
cmp r0, #0
bne _03800934
mov r0, #1
str r0, [r2, #252] ; 0xfc
mov r1, #0
str r1, [r2, #40] ; 0x28
ldr r0, [r2, #40] ; 0x28
str r0, [r2, #36] ; 0x24
ldr r0, [r2, #36] ; 0x24
str r0, [r2, #32]
mvn r0, #0
str r0, [r2, #44] ; 0x2c
str r1, [r2, #60] ; 0x3c
str r1, [r2, #64] ; 0x40
ldr r0, _03800944 ; =cardi_rom_base
str r1, [r0]
bl CARDi_InitCommon
bl CARDi_GetRomAccessor
ldr r1, _03800948 ; =rom_stat
str r0, [r1]
bl CARD_InitPulledOutCallback
_03800934:
add sp, sp, #4
ldmia sp!, {lr}
bx lr
_03800940: .word cardi_common
_03800944: .word cardi_rom_base
_03800948: .word rom_stat
arm_func_start CARDi_ReadRomID
CARDi_ReadRomID: ; 0x0380094C
stmdb sp!, {r4, r5, r6, r7, r8, lr}
ldr r5, _03800A10 ; =cardi_common
bl OS_DisableInterrupts
mov r4, r0
add r6, r5, #244 ; 0xf4
b _0380096C
_03800964:
mov r0, r6
bl OS_SleepThread
_0380096C:
ldr r0, [r5, #252] ; 0xfc
ands r0, r0, #4
bne _03800964
ldr r0, [r5, #252] ; 0xfc
orr r0, r0, #4
str r0, [r5, #252] ; 0xfc
mov r0, #0
str r0, [r5, #60] ; 0x3c
str r0, [r5, #64] ; 0x40
mov r0, r4
bl OS_RestoreInterrupts
bl CARDi_ReadRomIDCore
mov r8, r0
ldr r7, _03800A10 ; =cardi_common
mov r1, #0
ldr r0, [r7]
str r1, [r0]
ldr r6, [r7, #60] ; 0x3c
ldr r5, [r7, #64] ; 0x40
bl OS_DisableInterrupts
mov r4, r0
ldr r0, [r7, #252] ; 0xfc
bic r0, r0, #76 ; 0x4c
str r0, [r7, #252] ; 0xfc
add r0, r7, #244 ; 0xf4
bl OS_WakeupThread
ldr r0, [r7, #252] ; 0xfc
ands r0, r0, #16
beq _038009E8
add r0, r7, #72 ; 0x48
bl OS_WakeupThreadDirect
_038009E8:
mov r0, r4
bl OS_RestoreInterrupts
cmp r6, #0
beq _03800A04
mov r0, r5
mov lr, pc
bx r6
_03800A04:
mov r0, r8
ldmia sp!, {r4, r5, r6, r7, r8, lr}
bx lr
_03800A10: .word cardi_common
arm_func_start CARDi_ReadRomIDCore
CARDi_ReadRomIDCore: ; 0x03800A14
stmfd sp!, {lr}
sub sp, sp, #4
mov r0, #-1207959552 ; 0xb8000000
mov r1, #0
bl CARDi_SetRomOp
ldr r0, _03800A70 ; =cardi_rom_header_addr
ldr r0, [r0]
ldr r0, [r0, #96] ; 0x60
bic r0, r0, #117440512 ; 0x7000000
orr r1, r0, #-1493172224 ; 0xa7000000
mov r0, #8192 ; 0x2000
rsb r0, r0, #0
and r0, r1, r0
ldr r1, _03800A74 ; =0x040001A4
str r0, [r1]
_03800A50:
ldr r0, [r1]
ands r0, r0, #8388608 ; 0x800000
beq _03800A50
ldr r0, _03800A78 ; =0x04100010
ldr r0, [r0]
add sp, sp, #4
ldmia sp!, {lr}
bx lr
_03800A70: .word cardi_rom_header_addr
_03800A74: .word 0x040001A4
_03800A78: .word 0x04100010
_03800A7C:
bx lr
arm_func_start CARDi_SetRomOp
CARDi_SetRomOp: ; 0x03800A80
ldr r3, _03800AF8 ; =0x040001A4
_03800A84:
ldr r2, [r3]
ands r2, r2, #-2147483648 ; 0x80000000
bne _03800A84
mov r3, #192 ; 0xc0
ldr r2, _03800AFC ; =0x040001A1
strb r3, [r2]
mov r3, r0, lsr #24
ldr r2, _03800B00 ; =0x040001A8
strb r3, [r2]
mov r3, r0, lsr #16
ldr r2, _03800B04 ; =0x040001A9
strb r3, [r2]
mov r3, r0, lsr #8
ldr r2, _03800B08 ; =0x040001AA
strb r3, [r2]
ldr r2, _03800B0C ; =0x040001AB
strb r0, [r2]
mov r2, r1, lsr #24
ldr r0, _03800B10 ; =0x040001AC
strb r2, [r0]
mov r2, r1, lsr #16
ldr r0, _03800B14 ; =0x040001AD
strb r2, [r0]
mov r2, r1, lsr #8
ldr r0, _03800B18 ; =0x040001AE
strb r2, [r0]
ldr r0, _03800B1C ; =0x040001AF
strb r1, [r0]
bx lr
_03800AF8: .word 0x040001A4
_03800AFC: .word 0x040001A1
_03800B00: .word 0x040001A8
_03800B04: .word 0x040001A9
_03800B08: .word 0x040001AA
_03800B0C: .word 0x040001AB
_03800B10: .word 0x040001AC
_03800B14: .word 0x040001AD
_03800B18: .word 0x040001AE
_03800B1C: .word 0x040001AF
|
