1 " STMFD SP!, {R0}\n"
2 //R3 = Pointer to task function to create
3 /*** INSTALL capt_seq_task() hook ***/
4 " LDR R0, =task_CaptSeq\n" // DryOS original code function ptr.
5 " CMP R0, R3\n" // is the given taskptr equal to our searched function?
6 " LDREQ R3, =capt_seq_task\n" // if so replace with our task function base ptr.
7 " BEQ exitHook\n" // below compares not necessary if this check has found something.
8
9 /*** INSTALL exp_drv_task() hook ***/
10 " LDR R0, =task_ExpDrv\n"
11 " CMP R0, R3\n"
12 " LDREQ R3, =exp_drv_task\n"
13 " BEQ exitHook\n"
14
15 /*** INSTALL filewrite() hook ***/
16 " LDR R0, =task_FileWrite\n"
17 " CMP R0, R3\n"
18 " LDREQ R3, =filewritetask\n"
19 " BEQ exitHook\n"
20
21 /*** INSTALL movie_record_task() hook ***/
22 //" LDR R0, =task_MovieRecord\n"
23 //" CMP R0, R3\n"
24 //" LDREQ R3, =movie_record_task\n"
25 //" BEQ exitHook\n"
26
27 /*** INSTALL init_file_modules_task() hook ***/
28 " LDR R0, =task_InitFileModules\n"
29 " CMP R0, R3\n"
30 " LDREQ R3, =init_file_modules_task\n"
31
32 /*** INSTALL touch_task() hook ***/
33 " LDR R0, =task_TouchPanel\n"
34 " CMP R0, R3\n"
35 " LDREQ R3, =task_TouchPanel_my\n"
36
37 "exitHook:\n" // restore overwritten registers
38 " LDMFD SP!, {R0}\n" // Execute overwritten instructions from original code, then jump to firmware