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
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
|
// AUC TA command surface, decompiled with restored names, prototypes and types.
// Source: psp_out/versions_win/ta_0.7.0.1_9e9044cf.bin
// Handlers resolved from fw/cmdmaps/auc.json; loc_* labels mapped to their
// containing function. Generated by fw/ta_surface.py.
// ================ cmd 0x3 @ 0x4013e2 ================
int __fastcall auc_cmd03(void *ctx, struct ta_params *params)
{
int result; // r0
int v4; // [sp+4h] [bp-4h] BYREF
if ( ctx == nullptr )
return 2;
result = auc_cmd03__h1(ctx, params: (struct ta_params *)&v4);
*((_DWORD *)ctx + 128) = v4;
return result;
}
// ================ cmd 0x2 @ 0x4013fe ================
int __fastcall auc_cmd02(void *ctx, struct ta_params *params)
{
int result; // r0
char *v5; // r11
unsigned int v6; // r6
int v7; // r2
void *v8; // r0
int v9; // r9
int v10; // r10
int v11; // r6
int v12; // r0
bool v13; // zf
unsigned int v14; // r0
bool v15; // zf
int v16; // r3
unsigned int v17; // r2
unsigned int v18; // r1
int v19; // r3
unsigned int v20; // r0
int *v21; // r1
struct ta_params *v22; // r3
int v23; // t1
unsigned int v24; // r3
int v25; // [sp+4h] [bp-18h]
int v26; // [sp+8h] [bp-14h]
int v27; // [sp+Ch] [bp-10h]
int v28; // [sp+10h] [bp-Ch] BYREF
int v29; // [sp+14h] [bp-8h] BYREF
int v30; // [sp+18h] [bp-4h] BYREF
result = 2;
if ( ctx != nullptr && params != nullptr )
{
if ( *(_DWORD *)ctx <= 0xFu && *((_DWORD *)(v5 = (char *)nullsub_3 + 28 * *(_DWORD *)ctx) + 2) == 1 )
{
result = 11;
v6 = *((_DWORD *)v5 + 7);
v7 = *((_DWORD *)ctx + 3);
if ( v7 - 1 >= v6 && (v6 == -1 || v7 != 0) )
{
v8 = *((void **)v5 + 1);
v9 = 0;
*((_DWORD *)v5 + 7) = v7;
v10 = *((_DWORD *)ctx + 5);
v29 = 0;
v11 = auc_cmd02__h3(ctx: v8, params: (struct ta_params *)&v30);
v12 = auc_cmd02__h2(ctx: *((void **)v5 + 1), params: (struct ta_params *)&v29);
if ( v11 != 0 )
v11 = 13;
if ( v12 != 0 )
v11 = 14;
if ( auc_cmd02__h4(ctx: *((void **)v5 + 1), params: (struct ta_params *)&v28) != 0 )
v11 = 15;
v13 = v27 == 3;
if ( v27 == 3 )
v13 = v25 == 1;
if ( v13 )
{
v14 = *((unsigned __int16 *)ctx + 12);
v9 = 1;
if ( v14 <= 6 )
*((_DWORD *)nullsub_3 + v14 + 113) = 1;
}
v15 = v9 == 0;
if ( v9 == 0 )
v15 = (v30 | 1) == 3;
v16 = 8;
if ( v15 )
{
v24 = *((unsigned __int16 *)ctx + 12);
if ( v24 > 6 )
v16 = 8;
else
v16 = 8 * (*((_DWORD *)nullsub_3 + v24 + 113) != 1);
}
if ( (v29 & 2) != 0 )
{
v18 = 8194;
if ( v26 == 2 )
v18 = 139266;
v17 = v10 & 0x80 | (32 * (v27 != 0)) | (16 * v9) | (v9 << 11) | ((v28 == 2) << 8) | v16 & 0xFFFFFFF8;
}
else
{
v17 = 16388;
v18 = v10 & 0x80 | (32 * (v27 != 0)) | (16 * v9) | (v9 << 11) | ((v28 == 2) << 8) | v16 & 0xFFFFFFF8;
if ( v29 << 31 == 0 )
v17 = 16396;
}
*((_DWORD *)params + 72) = v11;
v19 = *((_DWORD *)ctx + 3);
v20 = *((_DWORD *)ctx + 7);
*((_DWORD *)params + 64) = v20;
*((_DWORD *)params + 65) = v19;
*((_DWORD *)params + 67) = v18 | v17;
*((_DWORD *)params + 66) = *((unsigned __int16 *)ctx + 12);
if ( v20 <= 0x20 )
{
if ( v20 != 0 )
{
v21 = (int *)((char *)ctx + 32);
v22 = params;
do
{
*((_DWORD *)v22 + 1) = 0;
--v20;
v23 = *v21++;
*(_DWORD *)v22 = v23;
v22 = (struct ta_params *)((char *)v22 + 8);
}
while ( v20 != 0 );
}
if ( auc_cmd02__h1(ctx: params, params: (struct ta_params *)0x110) != 0 )
return 12;
else
return 16 * (sub_4018B8(a1: (int)nullsub_3, a2: 496) != 0);
}
else
{
return 17;
}
}
}
else
{
return 1;
}
}
return result;
}
// ================ cmd 0x6 @ 0x4015c4 ================
int __fastcall auc_cmd06(void *ctx, struct ta_params *params)
{
if ( ctx == nullptr )
return 2;
if ( *(_DWORD *)ctx <= 0xFu && auc_cmd06__h1(ctx: nullsub_3, params: (struct ta_params *)0x1F0) != 0 )
return 16;
return 0;
}
// ================ cmd 0x5 @ 0x4015ee ================
int __fastcall auc_cmd05(void *ctx, struct ta_params *params)
{
if ( ctx == nullptr )
return 2;
if ( sub_4018B8(a1: (int)nullsub_3, a2: 496) != 0 )
return 16;
*((_DWORD *)ctx + 160) = 496;
return 0;
}
// ---------------------------------------------------------------
// COMMANDS ENTERED AT AN INTERNAL LABEL, NOT AT A FUNCTION ENTRY.
// These dispatch into the middle of a larger function, which is what a
// switch-style dispatcher produces. IDA refuses to split them out, and
// undefining the owner to force a split was not worth the risk, so the
// containing function is reproduced below IN FULL. Read the command's
// code at the stated offset -- the function as a whole is NOT the handler.
// ---------------------------------------------------------------
// cmd 0x1 -> 0x4012e6 (enters auc_cmd02__h5+0xda)
// cmd 0x4 -> 0x4013ae (enters auc_cmd02__h5+0x1a2)
// ---- containing function auc_cmd02__h5 @ 0x40120c (entered mid-body by the commands above) ----
int __fastcall auc_cmd02__h5(void *ctx, struct ta_params *params)
{
int v2; // r2
int v3; // r3
int v6; // r4
int v7; // r7
int v8; // r6
__int64 v10; // r0
int v11; // lr
__int64 v12; // r4
int *v13; // r7
int v14; // r6
int v15; // r2
int v16; // r3
int v17; // r6
int *v18; // r0
unsigned int *v19; // r0
unsigned int v20; // r0
int v21; // r0
_DWORD v22[128]; // [sp+8h] [bp-264h] BYREF
int v23; // [sp+208h] [bp-64h]
int v24; // [sp+20Ch] [bp-60h]
void *v25; // [sp+210h] [bp-5Ch]
int v26; // [sp+214h] [bp-58h]
int v27; // [sp+218h] [bp-54h]
struct ta_params *v28; // [sp+21Ch] [bp-50h]
int *v29; // [sp+220h] [bp-4Ch]
int v30; // [sp+224h] [bp-48h]
int *v31; // [sp+228h] [bp-44h]
int v32; // [sp+230h] [bp-3Ch] BYREF
_DWORD v33[3]; // [sp+234h] [bp-38h] BYREF
int a1; // [sp+240h] [bp-2Ch] BYREF
int v35; // [sp+244h] [bp-28h] BYREF
int dst[8]; // [sp+248h] [bp-24h] BYREF
int v37; // [sp+268h] [bp-4h]
int v38; // [sp+288h] [bp+1Ch]
v37 = dword_401954;
v6 = v3;
v7 = v2;
auc_lib_zero_fill_words(dst, len: 0x20u);
a1 = 0;
v35 = 0;
if ( ctx != nullptr )
{
v8 = auc_sysdrv_rpc_30(a1: -1610612720, a2: 256, a3: (int)&a1);
if ( v8 == 0 )
{
v33[1] = v7;
v33[2] = v6;
v33[0] = -1073741824;
v8 = auc_sysdrv_rpc_33(a1, a2: (int)v33, a3: 1);
if ( v8 == 0 )
{
v8 = auc_sysdrv_rpc_1(a1: (int)&v35, a2: 805307920, a3: 4, a4: 256);
if ( v8 == 0 )
{
v8 = auc_sysdrv_rpc_3(a1: v35, a2: a1);
if ( v8 == 0 )
{
auc_sysdrv_rpc_E(a1: v35, a2: 0, a3: 0);
v32 = 32;
v31 = &v32;
v8 = auc_sysdrv_rpc_10(a1: v35, a2: (int)ctx, a3: (int)params, a4: (int)dst);
if ( v8 == 0 )
{
auc_lib_thunk_tailjump(a1: v38);
v8 = 0;
}
}
}
}
}
if ( v35 != 0 )
auc_sysdrv_rpc_2(a1: v35);
if ( a1 != 0 )
auc_sysdrv_rpc_31(a1);
}
else
{
v8 = -65525;
}
if ( dword_401954 == v37 )
return v8;
v10 = ((__int64 (__fastcall *)(int))loc_401958)(a1: dword_401954 - v37);
v24 = v6;
v25 = ctx;
v26 = v8;
v27 = v7;
v28 = params;
v29 = &dword_401954;
v30 = v11;
v12 = v10;
v23 = dword_401954;
auc_lib_zero_fill_words(dst: v22, len: 0x200u);
if ( (_DWORD)v12 != 0 && HIDWORD(v12) != 0 )
{
v13 = &dword_406004[6];
v14 = 0;
*(_DWORD *)HIDWORD(v12) = 0xFFFF;
while ( *(v13 - 5) != 0 )
{
++v14;
v13 += 7;
if ( v14 == 16 )
goto LABEL_25;
}
auc_lib_zero_fill_words(dst: v13 - 5, len: 0x18u);
*(v13 - 5) = 1;
*(_DWORD *)HIDWORD(v12) = v14;
*(v13 - 6) = *(_DWORD *)v12;
if ( auc_cmd02__h6(ctx: (void *)(v12 + 4), params: (struct ta_params *)0x100) != 0 )
{
auc_lib_zero_fill_words(dst: v13 - 6, len: 0x1Cu);
}
else
{
v15 = v22[1];
v16 = v22[2];
v17 = v22[3];
v18 = v13 - 4;
*v18 = v22[0];
v18[1] = v15;
v18[2] = v16;
v18[3] = v17;
*v13 = v22[4];
if ( *(_DWORD *)v12 <= 6u )
*((_DWORD *)nullsub_3 + *(_DWORD *)v12 + 113) = 0;
}
}
LABEL_25:
if ( dword_401954 == v23 )
__asm { POPEQ.W {R4-R9,PC} }
v19 = (unsigned int *)((int (__fastcall *)(int))loc_401958)(a1: dword_401954 - v23);
if ( v19 == nullptr )
return 2;
v20 = *v19;
if ( v20 > 0xF )
return 1;
v21 = 28 * v20 + 4218880;
if ( *(_DWORD *)(v21 + 8) != 1 )
return 1;
auc_lib_zero_fill_words(dst: (void *)(v21 + 4), len: 0x1Cu);
return 0;
}
|