root/platform/sx30/sub/100l/filewrite.c

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DEFINITIONS

This source file includes following definitions.
  1. filewritetask
  2. sub_FFACC1D8_my
  3. sub_FFACC318_my
  4. sub_FFACBD8C_my

   1 /*
   2  * filewrite.c - auto-generated by CHDK code_gen.
   3  */
   4 #include "lolevel.h"
   5 #include "platform.h"
   6 
   7 typedef struct {
   8     unsigned int address;
   9     unsigned int length;
  10 } cam_ptp_data_chunk; //camera specific structure
  11 
  12 #define MAX_CHUNKS_FOR_JPEG 7   // filewritetask is prepared for this many chunks
  13 /*
  14  * fwt_data_struct: defined here as it's camera dependent
  15  * unneeded members are designated with unkn
  16  * pdc is required, everything after that is optional (DryOS < R50)
  17  * file_offset, full_size, seek_flag only needs to be defined for DryOS>=r50 generation cameras
  18  */
  19 typedef struct
  20 {
  21     int unkn1[5];
  22     cam_ptp_data_chunk pdc[MAX_CHUNKS_FOR_JPEG];
  23     int unkn2;
  24     char name[32];
  25 } fwt_data_struct;
  26 
  27 #include "../../../generic/filewrite.c"
  28 
  29 /*************************************************************/
  30 //** filewritetask @ 0xFFACBF00 - 0xFFACBFDC, length=56
  31 void __attribute__((naked,noinline)) filewritetask() {
  32 asm volatile (
  33 "    STMFD   SP!, {R1-R5,LR} \n"
  34 "    LDR     R4, =0xC950 \n"
  35 
  36 "loc_FFACBF08:\n"
  37 "    LDR     R0, [R4, #0x10] \n"
  38 "    MOV     R2, #0 \n"
  39 "    ADD     R1, SP, #8 \n"
  40 "    BL      sub_FF83A4C8 /*_ReceiveMessageQueue*/ \n"
  41 "    CMP     R0, #0 \n"
  42 "    LDRNE   R1, =0x33F \n"
  43 "    LDRNE   R0, =0xFFACBFF0 /*'dwFWrite.c'*/ \n"
  44 "    BLNE    _DebugAssert \n"
  45 "    LDR     R0, [SP, #8] \n"
  46 "    LDR     R1, [R0] \n"
  47 "    CMP     R1, #9 \n"
  48 "    ADDLS   PC, PC, R1, LSL#2 \n"
  49 "    B       loc_FFACBF08 \n"
  50 "    B       loc_FFACBFD0 \n"
  51 "    B       loc_FFACBFD0 \n"
  52 "    B       loc_FFACBFD0 \n"
  53 "    B       loc_FFACBFD0 \n"
  54 "    B       loc_FFACBFD0 \n"
  55 "    B       loc_FFACBFD0 \n"
  56 "    B       loc_FFACBFD0 \n"
  57 "    B       loc_FFACBFD8 \n"
  58 "    B       loc_FFACBF64 \n"
  59 "    B       loc_FFACBFC8 \n"
  60 
  61 "loc_FFACBF64:\n"
  62 "    MOV     R0, #0 \n"
  63 "    STR     R0, [SP] \n"
  64 
  65 "loc_FFACBF6C:\n"
  66 "    LDR     R0, [R4, #0x10] \n"
  67 "    MOV     R1, SP \n"
  68 "    BL      sub_FF83A70C /*_GetNumberOfPostedMessages*/ \n"
  69 "    LDR     R0, [SP] \n"
  70 "    CMP     R0, #0 \n"
  71 "    BEQ     loc_FFACBF98 \n"
  72 "    LDR     R0, [R4, #0x10] \n"
  73 "    MOV     R2, #0 \n"
  74 "    ADD     R1, SP, #4 \n"
  75 "    BL      sub_FF83A4C8 /*_ReceiveMessageQueue*/ \n"
  76 "    B       loc_FFACBF6C \n"
  77 
  78 "loc_FFACBF98:\n"
  79 "    LDR     R0, [R4, #4] \n"
  80 "    CMN     R0, #1 \n"
  81 "    BEQ     loc_FFACBFBC \n"
  82 "    BL      fwt_close \n"  // --> Patched. Old value = _Close.
  83 "    MVN     R0, #0 \n"
  84 "    STR     R0, [R4, #4] \n"
  85 "    LDR     R0, =0x110BB0 \n"
  86 "    BL      sub_FF877438 \n"
  87 "    BL      sub_FF875694 \n"
  88 
  89 "loc_FFACBFBC:\n"
  90 "    LDR     R0, [R4, #0xC] \n"
  91 "    BL      _GiveSemaphore \n"
  92 "    B       loc_FFACBF08 \n"
  93 
  94 "loc_FFACBFC8:\n"
  95 "    BL      sub_FFACC1D8_my \n"  // --> Patched. Old value = 0xFFACC1D8.
  96 "    B       loc_FFACBF08 \n"
  97 
  98 "loc_FFACBFD0:\n"
  99 "    BL      sub_FFACC318_my \n"  // --> Patched. Old value = 0xFFACC318.
 100 "    B       loc_FFACBF08 \n"
 101 
 102 "loc_FFACBFD8:\n"
 103 "    BL      sub_FFACBD8C_my \n"  // --> Patched. Old value = 0xFFACBD8C.
 104 "    B       loc_FFACBF08 \n"
 105 );
 106 }
 107 
 108 /*************************************************************/
 109 //** sub_FFACC1D8_my @ 0xFFACC1D8 - 0xFFACC28C, length=46
 110 void __attribute__((naked,noinline)) sub_FFACC1D8_my() {
 111 asm volatile (
 112 "    STMFD   SP!, {R4-R8,LR} \n"
 113 "    MOV     R4, R0 \n"
 114 "    ADD     R0, R0, #0x50 \n"
 115 "    SUB     SP, SP, #0x38 \n"
 116 "    BL      sub_FF877438 \n"
 117 "    MOV     R1, #0 \n"
 118 "    BL      sub_FF87562C \n"
 119 "    LDR     R0, [R4, #0xC] \n"
 120 "    BL      sub_FF810338 \n"
 121 "    LDR     R0, [R4, #0x4C] \n"
 122 "    LDR     R8, =0x1B6 \n"
 123 "    CMP     R0, #1 \n"
 124 "    LDREQ   R0, [R4, #8] \n"
 125 "    ADD     R6, R4, #0x50 \n"
 126 "    ORREQ   R0, R0, #0x8000 \n"
 127 "    STREQ   R0, [R4, #8] \n"
 128 "    LDR     R7, [R4, #8] \n"
 129 "    LDR     R5, [R4, #0xC] \n"
 130 //hook start
 131 "    STMFD   SP!, {R4-R12,LR} \n"
 132 "    MOV     R0, R4 \n"
 133 "    BL      filewrite_main_hook \n"
 134 "    LDMFD   SP!, {R4-R12,LR} \n"
 135 //hook end
 136 "    MOV     R0, R6 \n"
 137 "    MOV     R2, R8 \n"
 138 "    MOV     R1, R7 \n"
 139 "    BL      fwt_open \n"  // --> Patched. Old value = _Open.
 140 "    CMN     R0, #1 \n"
 141 "    BNE     sub_FFACC290 \n"
 142 "    MOV     R0, R6 \n"
 143 "    BL      sub_FF837470 \n"
 144 "    MOV     R2, #0xF \n"
 145 "    MOV     R1, R6 \n"
 146 "    MOV     R0, SP \n"
 147 "    BL      sub_FFB924F0 \n"
 148 "    LDR     R0, =0x41FF \n"
 149 "    MOV     R1, #0 \n"
 150 "    STRB    R1, [SP, #0xF] \n"
 151 "    STR     R0, [SP, #0x20] \n"
 152 "    MOV     R0, #0x10 \n"
 153 "    ADD     R2, SP, #0x24 \n"
 154 "    STMIA   R2, {R0,R1,R5} \n"
 155 "    ADD     R1, SP, #0x20 \n"
 156 "    MOV     R0, SP \n"
 157 "    STR     R5, [SP, #0x30] \n"
 158 "    STR     R5, [SP, #0x34] \n"
 159 "    BL      sub_FF874F9C \n"
 160 "    MOV     R2, R8 \n"
 161 "    MOV     R1, R7 \n"
 162 "    MOV     R0, R6 \n"
 163 "    BL      fwt_open \n"  // --> Patched. Old value = _Open.
 164 "    LDR     PC, =0xFFACC290 \n"  // Continue in firmware
 165 );
 166 }
 167 
 168 /*************************************************************/
 169 //** sub_FFACC318_my @ 0xFFACC318 - 0xFFACC3E0, length=51
 170 void __attribute__((naked,noinline)) sub_FFACC318_my() {
 171 asm volatile (
 172 "    STMFD   SP!, {R4-R10,LR} \n"
 173 "    MOV     R5, R0 \n"
 174 "    LDR     R0, [R0] \n"
 175 "    CMP     R0, #6 \n"
 176 "    BHI     loc_FFACC34C \n"
 177 "    ADD     R0, R5, R0, LSL#3 \n"
 178 "    LDR     R7, [R0, #0x14]! \n"
 179 "    LDR     R6, [R0, #4] \n"
 180 "    CMP     R6, #0 \n"
 181 "    BNE     loc_FFACC35C \n"
 182 
 183 "loc_FFACC340:\n"
 184 "    MOV     R1, R5 \n"
 185 "    MOV     R0, #7 \n"
 186 "    B       sub_FFACC3F0 \n"
 187 
 188 "loc_FFACC34C:\n"
 189 "    LDR     R1, =0x299 \n"
 190 "    LDR     R0, =0xFFACBFF0 /*'dwFWrite.c'*/ \n"
 191 "    BL      _DebugAssert \n"
 192 "    B       loc_FFACC340 \n"
 193 
 194 "loc_FFACC35C:\n"
 195 "    LDR     R9, =0xC950 \n"
 196 "    MOV     R4, R6 \n"
 197 
 198 "loc_FFACC364:\n"
 199 "    LDR     R0, [R5, #4] \n"
 200 "    CMP     R4, #0x1000000 \n"
 201 "    MOVLS   R8, R4 \n"
 202 "    MOVHI   R8, #0x1000000 \n"
 203 "    BIC     R1, R0, #0xFF000000 \n"
 204 "    CMP     R1, #0 \n"
 205 "    BICNE   R0, R0, #0xFF000000 \n"
 206 "    RSBNE   R0, R0, #0x1000000 \n"
 207 "    CMPNE   R8, R0 \n"
 208 "    MOVHI   R8, R0 \n"
 209 "    LDR     R0, [R9, #4] \n"
 210 "    MOV     R2, R8 \n"
 211 "    MOV     R1, R7 \n"
 212 "    BL      fwt_write \n"  // --> Patched. Old value = _Write.
 213 "    LDR     R1, [R5, #4] \n"
 214 "    CMP     R8, R0 \n"
 215 "    ADD     R1, R1, R0 \n"
 216 "    STR     R1, [R5, #4] \n"
 217 "    BEQ     loc_FFACC3C4 \n"
 218 "    CMN     R0, #1 \n"
 219 "    LDRNE   R0, =0x9200015 \n"
 220 "    LDREQ   R0, =0x9200005 \n"
 221 "    STR     R0, [R5, #0x10] \n"
 222 "    B       loc_FFACC340 \n"
 223 
 224 "loc_FFACC3C4:\n"
 225 "    SUB     R4, R4, R0 \n"
 226 "    CMP     R4, R6 \n"
 227 "    ADD     R7, R7, R0 \n"
 228 "    LDRCS   R0, =0xFFACBFF0 /*'dwFWrite.c'*/ \n"
 229 "    MOVCS   R1, #0x2C4 \n"
 230 "    BLCS    _DebugAssert \n"
 231 "    CMP     R4, #0 \n"
 232 "    BNE     loc_FFACC364 \n"
 233 "    LDR     PC, =0xFFACC3E4 \n"  // Continue in firmware
 234 );
 235 }
 236 
 237 /*************************************************************/
 238 //** sub_FFACBD8C_my @ 0xFFACBD8C - 0xFFACBDC0, length=14
 239 void __attribute__((naked,noinline)) sub_FFACBD8C_my() {
 240 asm volatile (
 241 "    STMFD   SP!, {R4-R6,LR} \n"
 242 "    LDR     R5, =0xC950 \n"
 243 "    MOV     R4, R0 \n"
 244 "    LDR     R0, [R5, #4] \n"
 245 "    SUB     SP, SP, #0x38 \n"
 246 "    CMN     R0, #1 \n"
 247 "    BEQ     sub_FFACBDD4 \n"
 248 "    LDR     R1, [R4, #8] \n"
 249 "    LDR     R6, =0x9200003 \n"
 250 "    TST     R1, #0x8000 \n"
 251 "    BEQ     loc_FFACBDC0 \n"
 252 //mod start
 253 "    LDR R3, =current_write_ignored\n"
 254 "    LDR R3, [R3]\n"
 255 "    CMP R3, #0\n"
 256 "    BNE loc_D\n" // jump over the next block
 257 //mod end
 258 "    BL      sub_FF8746D8 \n"
 259 "    B       sub_FFACBDC4 \n"
 260 
 261 "loc_FFACBDC0:\n"
 262 "loc_D:\n"
 263 "    BL      fwt_close \n"  // --> Patched. Old value = _Close.
 264 "    LDR     PC, =0xFFACBDC4 \n"  // Continue in firmware
 265 );
 266 }

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