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
|
.include "asm/macros.inc"
.include "global.inc"
.section .data
.global _038075E4
_038075E4:
.word 0x00090008
.word 0x000B000A
.word 0x00040003
.word 0x00060005
.word 0x00000000
.global OS_IRQTable
OS_IRQTable:
.word OSi_IrqVBlank
.word OS_IrqDummy
.word OS_IrqDummy
.word OSi_IrqTimer0
.word OSi_IrqTimer1
.word OSi_IrqTimer2
.word OSi_IrqTimer3
.word OS_IrqDummy
.word OSi_IrqDma0
.word OSi_IrqDma1
.word OSi_IrqDma2
.word OSi_IrqDma3
.word OS_IrqDummy
.word OS_IrqDummy
.word OS_IrqDummy
.word OS_IrqDummy
.word OS_IrqDummy
.word OS_IrqDummy
.word OS_IrqDummy
.word OS_IrqDummy
.word OS_IrqDummy
.word OS_IrqDummy
.word OS_IrqDummy
.word OS_IrqDummy
.word OS_IrqDummy
.section .bss
.global OSi_IrqThreadQueue
OSi_IrqThreadQueue: ;0x0380770C
.space 0x03807714 - 0x0380770C
.global OSi_IrqCallbackInfo
OSi_IrqCallbackInfo: ;0x03807714
.space 0x03807718 - 0x03807714
.global _03807718
_03807718: ;0x03807718
.space 0x0380771C - 0x03807718
.global _0380771C
_0380771C: ;0x0380771C
.space 0x03807744 - 0x0380771C
.global _03807744
_03807744: ;0x03807744
.space 0x03807748 - 0x03807744
.global _03807748
_03807748: ;0x03807748
.space 0x0380774C - 0x03807748
.global _0380774C
_0380774C: ;0x0380774C
.space 0x03807774 - 0x0380774C
.global _03807774
_03807774: ;0x03807774
.space 0x03807780 - 0x03807774
.section .text
arm_func_start OSi_IrqVBlank
OSi_IrqVBlank: ; 0x037F86B4
stmfd sp!, {lr}
sub sp, sp, #4
ldr r0, _037F8700 ; =OSi_IrqCallbackInfo
ldr r2, [r0, #96] ; 0x60
ldr r1, _037F8704 ; =0x027FFC3C
ldr r0, [r1]
add r0, r0, #1
str r0, [r1]
cmp r2, #0
beq _037F86E4
mov lr, pc
bx r2
_037F86E4:
ldr r1, _037F8708 ; =0x0380FFF8
ldr r0, [r1]
orr r0, r0, #1
str r0, [r1]
add sp, sp, #4
ldmia sp!, {lr}
bx lr
_037F8700: .word OSi_IrqCallbackInfo
_037F8704: .word 0x027FFC3C
_037F8708: .word 0x0380FFF8
arm_func_start OSi_IrqTimer3
OSi_IrqTimer3: ; 0x037F870C
mov r0, #7
ldr ip, _037F8718 ; =OSi_IrqCallback
bx ip
_037F8718: .word OSi_IrqCallback
arm_func_start OSi_IrqTimer2
OSi_IrqTimer2: ; 0x037F871C
mov r0, #6
ldr ip, _037F8728 ; =OSi_IrqCallback
bx ip
_037F8728: .word OSi_IrqCallback
arm_func_start OSi_IrqTimer1
OSi_IrqTimer1: ; 0x037F872C
mov r0, #5
ldr ip, _037F8738 ; =OSi_IrqCallback
bx ip
_037F8738: .word OSi_IrqCallback
arm_func_start OSi_IrqTimer0
OSi_IrqTimer0: ; 0x037F873C
mov r0, #4
ldr ip, _037F8748 ; =OSi_IrqCallback
bx ip
_037F8748: .word OSi_IrqCallback
arm_func_start OSi_IrqDma3
OSi_IrqDma3: ; 0x037F874C
mov r0, #3
ldr ip, _037F8758 ; =OSi_IrqCallback
bx ip
_037F8758: .word OSi_IrqCallback
arm_func_start OSi_IrqDma2
OSi_IrqDma2: ; 0x037F875C
mov r0, #2
ldr ip, _037F8768 ; =OSi_IrqCallback
bx ip
_037F8768: .word OSi_IrqCallback
arm_func_start OSi_IrqDma1
OSi_IrqDma1: ; 0x037F876C
mov r0, #1
ldr ip, _037F8778 ; =OSi_IrqCallback
bx ip
_037F8778: .word OSi_IrqCallback
arm_func_start OSi_IrqDma0
OSi_IrqDma0: ; 0x037F877C
mov r0, #0
ldr ip, _037F8788 ; =OSi_IrqCallback
bx ip
_037F8788: .word OSi_IrqCallback
arm_func_start OSi_IrqCallback
OSi_IrqCallback: ; 0x037F878C
stmdb sp!, {r4, r5, lr}
sub sp, sp, #4
mov r3, #1
mov r2, r0, lsl #1
ldr r1, _037F880C ; =_038075E4
ldrh r1, [r1, r2]
mov r5, r3, lsl r1
mov r1, #12
mul r4, r0, r1
ldr r2, _037F8810 ; =OSi_IrqCallbackInfo
ldr r1, [r2, r4]
mov r0, #0
str r0, [r2, r4]
cmp r1, #0
beq _037F87D8
ldr r0, _037F8814 ; =_0380771C
ldr r0, [r0, r4]
mov lr, pc
bx r1
_037F87D8:
ldr r1, _037F8818 ; =0x0380FFF8
ldr r0, [r1]
orr r0, r0, r5
str r0, [r1]
ldr r0, _037F881C ; =_03807718
ldr r0, [r0, r4]
cmp r0, #0
bne _037F8800
mov r0, r5
bl OS_DisableIrqMask
_037F8800:
add sp, sp, #4
ldmia sp!, {r4, r5, lr}
bx lr
_037F880C: .word _038075E4
_037F8810: .word OSi_IrqCallbackInfo
_037F8814: .word _0380771C
_037F8818: .word 0x0380FFF8
_037F881C: .word _03807718
arm_func_start OS_IrqDummy
OS_IrqDummy: ; 0x037F8820
bx lr
|