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
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
|
.include "asm/macros.inc"
.include "global.inc"
.text
arm_func_start OS_UnLockCartridge
OS_UnLockCartridge: ; 0x037F8A18
ldr r1, _037F8A20 ; =OS_UnlockCartridge
bx r1
_037F8A20: .word OS_UnlockCartridge
arm_func_start OS_GetLockID
OS_GetLockID: ; 0x037F8A24
ldr r3, _037F8AB4 ; =0x027FFFB8
ldr r1, [r3]
mov r2, #0
mov r0, #-2147483648 ; 0x80000000
_037F8A34:
tst r1, r0
bne _037F8A50
add r2, r2, #1
cmp r2, #32
beq _037F8A50
mov r0, r0, lsr #1
b _037F8A34
_037F8A50:
cmp r2, #32
movne r0, #128 ; 0x80
bne _037F8A98
add r3, r3, #4
ldr r1, [r3]
mov r2, #0
mov r0, #-2147483648 ; 0x80000000
_037F8A6C:
tst r1, r0
bne _037F8A88
add r2, r2, #1
cmp r2, #32
beq _037F8A88
mov r0, r0, lsr #1
b _037F8A6C
_037F8A88:
cmp r2, #32
ldr r0, _037F8AB8 ; =0xFFFFFFFD
bxeq lr
mov r0, #160 ; 0xa0
_037F8A98:
add r0, r0, r2
mov r1, #-2147483648 ; 0x80000000
mov r1, r1, lsr r2
ldr r2, [r3]
bic r2, r2, r1
str r2, [r3]
bx lr
_037F8AB4: .word 0x027FFFB8
_037F8AB8: .word 0xFFFFFFFD
arm_func_start OS_ReleaseLockID
OS_ReleaseLockID: ; 0x037F8ABC
ldr r3, _037F8AE8 ; =0x027FFFB8
cmp r0, #160 ; 0xa0
addpl r3, r3, #4
subpl r0, r0, #160 ; 0xa0
submi r0, r0, #128 ; 0x80
mov r1, #-2147483648 ; 0x80000000
mov r1, r1, lsr r0
ldr r2, [r3]
orr r2, r2, r1
str r2, [r3]
bx lr
_037F8AE8: .word 0x027FFFB8
arm_func_start OS_ReadOwnerOfLockWord
OS_ReadOwnerOfLockWord: ; 0x037F8AEC
ldrh r0, [r0, #4]
bx lr
arm_func_start OSi_FreeCartridgeBus
OSi_FreeCartridgeBus: ;0x037F8AF4
bx lr
arm_func_start OSi_AllocateCartridgeBus
OSi_AllocateCartridgeBus: ;0x037F8AF8
bx lr
arm_func_start OS_TryLockCartridge
OS_TryLockCartridge: ; 0x037F8AFC
ldr r1, _037F8B10 ; =0x027FFFE8
ldr r2, _037F8B14 ; =OSi_AllocateCartridgeBus
mov r3, #1
ldr ip, _037F8B18 ; =OSi_DoTryLockByWord
bx ip
_037F8B10: .word 0x027FFFE8
_037F8B14: .word OSi_AllocateCartridgeBus
_037F8B18: .word OSi_DoTryLockByWord
arm_func_start OS_UnlockCartridge
OS_UnlockCartridge: ; 0x037F8B1C
ldr r1, _037F8B30 ; =0x027FFFE8
ldr r2, _037F8B34 ; =OSi_FreeCartridgeBus
mov r3, #1
ldr ip, _037F8B38 ; =OSi_DoUnlockByWord
bx ip
_037F8B30: .word 0x027FFFE8
_037F8B34: .word OSi_FreeCartridgeBus
_037F8B38: .word OSi_DoUnlockByWord
arm_func_start OS_LockCartridge
OS_LockCartridge: ; 0x037F8B3C
ldr r1, _037F8B50 ; =0x027FFFE8
ldr r2, _037F8B54 ; =OSi_AllocateCartridgeBus
mov r3, #1
ldr ip, _037F8B58 ; =OSi_DoLockByWord
bx ip
_037F8B50: .word 0x027FFFE8
_037F8B54: .word OSi_AllocateCartridgeBus
_037F8B58: .word OSi_DoLockByWord
arm_func_start OSi_DoTryLockByWord
OSi_DoTryLockByWord: ; 0x037F8B5C
stmdb sp!, {r4, r5, r6, r7, r8, r9, lr}
sub sp, sp, #4
mov r9, r0
mov r8, r1
mov r7, r2
movs r6, r3
beq _037F8B84
bl OS_DisableInterrupts_IrqAndFiq
mov r5, r0
b _037F8B8C
_037F8B84:
bl OS_DisableInterrupts
mov r5, r0
_037F8B8C:
mov r0, r9
mov r1, r8
bl MI_SwapWord
movs r4, r0
bne _037F8BB4
cmp r7, #0
beq _037F8BB0
mov lr, pc
bx r7
_037F8BB0:
strh r9, [r8, #4]
_037F8BB4:
cmp r6, #0
beq _037F8BC8
mov r0, r5
bl OS_RestoreInterrupts_IrqAndFiq
b _037F8BD0
_037F8BC8:
mov r0, r5
bl OS_RestoreInterrupts
_037F8BD0:
mov r0, r4
add sp, sp, #4
ldmia sp!, {r4, r5, r6, r7, r8, r9, lr}
bx lr
arm_func_start OSi_DoUnlockByWord
OSi_DoUnlockByWord: ; 0x037F8BE0
stmdb sp!, {r4, r5, r6, r7, lr}
sub sp, sp, #4
mov r7, r1
mov r6, r2
mov r5, r3
ldrh r1, [r7, #4]
cmp r0, r1
mvnne r0, #1
bne _037F8C60
cmp r5, #0
beq _037F8C18
bl OS_DisableInterrupts_IrqAndFiq
mov r4, r0
b _037F8C20
_037F8C18:
bl OS_DisableInterrupts
mov r4, r0
_037F8C20:
mov r0, #0
strh r0, [r7, #4]
cmp r6, #0
beq _037F8C38
mov lr, pc
bx r6
_037F8C38:
mov r0, #0
str r0, [r7]
cmp r5, #0
beq _037F8C54
mov r0, r4
bl OS_RestoreInterrupts_IrqAndFiq
b _037F8C5C
_037F8C54:
mov r0, r4
bl OS_RestoreInterrupts
_037F8C5C:
mov r0, #0
_037F8C60:
add sp, sp, #4
ldmia sp!, {r4, r5, r6, r7, lr}
bx lr
arm_func_start OSi_DoLockByWord
OSi_DoLockByWord: ; 0x037F8C6C
stmdb sp!, {r4, r5, r6, r7, r8, lr}
mov r8, r0
mov r7, r1
mov r6, r2
mov r5, r3
mov r4, #1024 ; 0x400
b _037F8C90
_037F8C88:
mov r0, r4
bl FUN_037F8CB4
_037F8C90:
mov r0, r8
mov r1, r7
mov r2, r6
mov r3, r5
bl OSi_DoTryLockByWord
cmp r0, #0
bgt _037F8C88
ldmia sp!, {r4, r5, r6, r7, r8, lr}
bx lr
arm_func_start FUN_037F8CB4
FUN_037F8CB4: ; 0x037F8CB4 ;part of the above func?
ldr ip, _037F8CBC ; =SVC_WaitByLoop
bx ip
_037F8CBC: .word SVC_WaitByLoop
arm_func_start OS_InitLock
OS_InitLock: ; 0x037F8CC0
stmdb sp!, {r4, r5, lr}
sub sp, sp, #4
ldr r0, _037F8D38 ; =_03807780
ldr r1, [r0]
cmp r1, #0
bne _037F8D2C
mov r1, #1
str r1, [r0]
mov r0, #0
ldr r4, _037F8D3C ; =0x027FFFF0
strh r0, [r4, #6]
mov r5, #1024 ; 0x400
b _037F8CFC
_037F8CF4:
mov r0, r5
bl FUN_037F8CB4
_037F8CFC:
ldrh r0, [r4, #4]
cmp r0, #127 ; 0x7f
bne _037F8CF4
mvn r1, #0
ldr r0, _037F8D40 ; =0x027FFFB8
str r1, [r0]
mov r0, #65536 ; 0x10000
rsb r1, r0, #0
ldr r0, _037F8D44 ; =0x027FFFBC
str r1, [r0]
mov r0, #191 ; 0xbf
strh r0, [r4, #6]
_037F8D2C:
add sp, sp, #4
ldmia sp!, {r4, r5, lr}
bx lr
_037F8D38: .word _03807780
_037F8D3C: .word 0x027FFFF0
_037F8D40: .word 0x027FFFB8
_037F8D44: .word 0x027FFFBC
|
