📄 dvdioctl.cod
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; Function compile flags: /Ogsy
00000 AREA |.text| { |?DVDGetCopySystem@CPCIDiskAndCD@@QAAHPAE0@Z| }, CODE, ARM, SELECTION=1 ; comdat noduplicate
00000 |?DVDGetCopySystem@CPCIDiskAndCD@@QAAHPAE0@Z| PROC ; CPCIDiskAndCD::DVDGetCopySystem
; 505 : {
00000 |$L32510|
00000 e92d47f0 stmdb sp!, {r4 - r10, lr}
00004 e24dd02c sub sp, sp, #0x2C
00008 |$M32508|
00008 e1a06002 mov r6, r2
0000c e1a07001 mov r7, r1
00010 e1a05000 mov r5, r0
; 506 : BOOL fSuccess = FALSE;
; 507 : ATAPI_COMMAND_PACKET CmdPkt;
; 508 : PRDVDCDB pCmd = (PRDVDCDB)&CmdPkt;
; 509 : RDVDFMT_Copy fmtCopy;
; 510 : SGX_BUF SgBuf;
; 511 : DWORD dwRet;
; 512 :
; 513 : DEBUGCHK(NULL != pbCopySystem);
; 514 : DEBUGCHK(NULL != pbRegionManagement);
; 515 :
; 516 : *pbCopySystem = 0;
00014 e3a03000 mov r3, #0
00018 e5c73000 strb r3, [r7]
; 517 : *pbRegionManagement = 0;
; 518 :
; 519 : memset(&CmdPkt, 0, sizeof(ATAPI_COMMAND_PACKET));
0001c e3a02014 mov r2, #0x14
00020 e3a01000 mov r1, #0
00024 e28d0018 add r0, sp, #0x18
00028 e5c63000 strb r3, [r6]
0002c e3a04000 mov r4, #0
00030 eb000000 bl memset
; 520 : memset(&fmtCopy, 0, sizeof(RDVDFMT_Copy));
00034 e3a02008 mov r2, #8
00038 e3a01000 mov r1, #0
0003c e28d0010 add r0, sp, #0x10
00040 eb000000 bl memset
; 521 :
; 522 : pCmd->OpCode = DVDOP_READ_DVD_STRUC;
; 523 : pCmd->Format = DVDSTRUC_FMT_COPY;
; 524 : pCmd->Len = sizeof (RDVDFMT_Copy) << 8; // endian swap length
; 525 : // pCmd->Len = keyLength << 8;
; 526 : SgBuf.sb_len = sizeof(RDVDFMT_Copy);
; 527 : SgBuf.sb_buf = (PBYTE) &fmtCopy;
; 528 :
; 529 : m_dwDeviceFlags &= ~DFLAGS_MEDIA_ISDVD;
00044 e5953690 ldr r3, [r5, #0x690]
00048 e3a0a0ad mov r10, #0xAD
0004c e3a02001 mov r2, #1
00050 e3c33080 bic r3, r3, #0x80
00054 e3a08b02 mov r8, #2, 22
00058 e3a09008 mov r9, #8
0005c e28de010 add lr, sp, #0x10
; 530 :
; 531 : // attempt to detect if media is present
; 532 : if (!AtapiIsUnitReady()) {
00060 e3a01000 mov r1, #0
00064 e1a00005 mov r0, r5
00068 e5853690 str r3, [r5, #0x690]
0006c e5cda018 strb r10, [sp, #0x18]
00070 e5cd201f strb r2, [sp, #0x1F]
00074 e1cd82b0 strh r8, [sp, #0x20]
00078 e58d900c str r9, [sp, #0xC]
0007c e58de008 str lr, [sp, #8]
00080 eb000000 bl |?AtapiIsUnitReady@CPCIDiskAndCD@@QAAHPAU_IOREQ@@@Z|
00084 e3500000 cmp r0, #0
00088 0a000011 beq |$exit$32297|
; 533 : DEBUGMSG(ZONE_ERROR|ZONE_CDROM, (_T(
; 534 : "Atapi!CPCIDiskAndCD::DVDGetCopySystem> DVD not present\r\n"
; 535 : )));
; 536 : goto exit;
; 537 : }
; 538 :
; 539 : // fmtCopy is a struct of two DWORDs; we need to return 4th and 5th bytes
; 540 : if (AtapiSendCommand(&CmdPkt)) {
0008c e3a03000 mov r3, #0
00090 e3a02000 mov r2, #0
00094 e28d1018 add r1, sp, #0x18
00098 e1a00005 mov r0, r5
0009c eb000000 bl |?AtapiSendCommand@CPCIDiskAndCD@@QAAHPAU_ATAPI_COMMAND_PACKET@@GH@Z|
000a0 e3500000 cmp r0, #0
000a4 0a00000a beq |$exit$32297|
; 541 : if (AtapiReceiveData(&SgBuf, 1, &dwRet)) {
000a8 e28d3000 add r3, sp, #0
000ac e3a02001 mov r2, #1
000b0 e28d1008 add r1, sp, #8
000b4 e1a00005 mov r0, r5
000b8 eb000000 bl |?AtapiReceiveData@CPCIDiskAndCD@@QAAHPAU_SGX_BUF@@KPAK@Z|
000bc e3500000 cmp r0, #0
; 542 : *pbCopySystem = (BYTE)(fmtCopy.Data & 0xFF); // 4th byte
000c0 159d2014 ldrne r2, [sp, #0x14]
; 543 : *pbRegionManagement = (BYTE)((fmtCopy.Data >> 8) & 0xFF); // 5th byte
; 544 : *pbRegionManagement = *pbRegionManagement ^ 0xFF; // supported regions are 1s
; 545 : fSuccess = TRUE;
000c4 13a04001 movne r4, #1
000c8 11e03422 mvnne r3, r2, lsr #8
000cc 15c72000 strneb r2, [r7]
000d0 15c63000 strneb r3, [r6]
000d4 |$exit$32297|
; 546 : }
; 547 : }
; 548 :
; 549 : exit:;
; 550 :
; 551 : return fSuccess;
000d4 e1a00004 mov r0, r4
; 552 : }
000d8 e28dd02c add sp, sp, #0x2C
000dc e8bd47f0 ldmia sp!, {r4 - r10, lr}
000e0 e12fff1e bx lr
000e4 |$M32509|
ENDP ; |?DVDGetCopySystem@CPCIDiskAndCD@@QAAHPAE0@Z|, CPCIDiskAndCD::DVDGetCopySystem
EXPORT |?DVDGetRegion@CPCIDiskAndCD@@QAAKPAU_IOREQ@@@Z| ; CPCIDiskAndCD::DVDGetRegion
IMPORT |MapCallerPtr|
00000 AREA |.text| { |?DVDGetRegion@CPCIDiskAndCD@@QAAKPAU_IOREQ@@@Z| }, CODE, ARM, SELECTION=1 ; comdat noduplicate
00000 AREA |.pdata$$?DVDGetRegion@CPCIDiskAndCD@@QAAKPAU_IOREQ@@@Z|, PDATA, SELECTION=5, ASSOC=|.text| { |?DVDGetRegion@CPCIDiskAndCD@@QAAKPAU_IOREQ@@@Z| } ; comdat associative
|$T32524| DCD |$L32523|
DCD 0x40004502
; Function compile flags: /Ogsy
00000 AREA |.text| { |?DVDGetRegion@CPCIDiskAndCD@@QAAKPAU_IOREQ@@@Z| }, CODE, ARM, SELECTION=1 ; comdat noduplicate
00000 |?DVDGetRegion@CPCIDiskAndCD@@QAAKPAU_IOREQ@@@Z| PROC ; CPCIDiskAndCD::DVDGetRegion
; 287 : {
00000 |$L32523|
00000 e92d4070 stmdb sp!, {r4 - r6, lr}
00004 e24dd02c sub sp, sp, #0x2C
00008 |$M32521|
00008 e1a04001 mov r4, r1
0000c e1a06000 mov r6, r0
; 288 : DWORD dwError = ERROR_SUCCESS;
; 289 : DWORD dwLength;
; 290 : SGX_BUF SgBuf;
; 291 : DWORD dwRet;
; 292 : RKFMT_RPC rpcData;
; 293 : PDVD_REGIONCE preg;
; 294 : ATAPI_COMMAND_PACKET CmdPkt;
; 295 :
; 296 : memset(&CmdPkt, 0, sizeof(ATAPI_COMMAND_PACKET));
00010 e3a02014 mov r2, #0x14
00014 e3a01000 mov r1, #0
00018 e28d0018 add r0, sp, #0x18
0001c e3a05000 mov r5, #0
00020 eb000000 bl memset
; 297 :
; 298 : // map address and check for security violation
; 299 : preg = (PDVD_REGIONCE)MapCallerPtr((LPVOID)pIOReq->pOutBuf, sizeof(BYTE));
00024 e5940020 ldr r0, [r4, #0x20]
00028 e3a01001 mov r1, #1
0002c eb000000 bl MapCallerPtr
; 300 : if (pIOReq->pOutBuf != NULL && preg == NULL) {
00030 e5943020 ldr r3, [r4, #0x20]
00034 e1a04000 mov r4, r0
00038 e3530000 cmp r3, #0
0003c 0a000002 beq |$L32201|
00040 e3540000 cmp r4, #0
; 301 : // security violation
; 302 : DEBUGMSG(ZONE_ERROR, (TEXT(
; 303 : "Atapi!CPCIDiskAndCD::DVDGetRegion> Failed to map pointer to caller\r\n"
; 304 : )));
; 305 : return ERROR_INVALID_PARAMETER;
00044 03a05057 moveq r5, #0x57
00048 0a00002d beq |$L32213|
0004c |$L32201|
; 306 : }
; 307 :
; 308 : // read disc copy system and region
; 309 : DVDGetCopySystem(&(preg->CopySystem), &(preg->RegionData));
0004c e2842005 add r2, r4, #5
00050 e2841004 add r1, r4, #4
00054 e1a00006 mov r0, r6
00058 eb000000 bl |?DVDGetCopySystem@CPCIDiskAndCD@@QAAHPAE0@Z|
; 310 :
; 311 : memset(&CmdPkt, 0, sizeof(ATAPI_COMMAND_PACKET));
0005c e3a02014 mov r2, #0x14
00060 e3a01000 mov r1, #0
00064 e28d0018 add r0, sp, #0x18
00068 eb000000 bl memset
; 312 :
; 313 : // create command packet to read RPC setting (report key)
; 314 : dwLength = DVDSetupReadTitleKey(&CmdPkt, DvdGetRPC, 0, 0);
0006c e3a03000 mov r3, #0
00070 e3a02000 mov r2, #0
00074 e3a01008 mov r1, #8
00078 e28d0018 add r0, sp, #0x18
0007c eb000000 bl |?DVDSetupReadTitleKey@@YAKPAU_ATAPI_COMMAND_PACKET@@EEK@Z|
; 315 : SgBuf.sb_len = sizeof(RKFMT_RPC);
00080 e3a02008 mov r2, #8
; 316 : SgBuf.sb_buf = (PBYTE) &rpcData;
00084 e28d3008 add r3, sp, #8
00088 e58d2014 str r2, [sp, #0x14]
0008c e58d3010 str r3, [sp, #0x10]
; 317 :
; 318 : // send command
; 319 : if (AtapiSendCommand(&CmdPkt)) {
00090 e3a03000 mov r3, #0
00094 e3a02000 mov r2, #0
00098 e28d1018 add r1, sp, #0x18
0009c e1a00006 mov r0, r6
000a0 eb000000 bl |?AtapiSendCommand@CPCIDiskAndCD@@QAAHPAU_ATAPI_COMMAND_PACKET@@GH@Z|
000a4 e3500000 cmp r0, #0
000a8 0a000014 beq |$L32206|
; 320 : // fetch result
; 321 : if (AtapiReceiveData(&SgBuf, 1, &dwRet)) {
000ac e28d3000 add r3, sp, #0
000b0 e3a02001 mov r2, #1
000b4 e28d1010 add r1, sp, #0x10
000b8 e1a00006 mov r0, r6
000bc eb000000 bl |?AtapiReceiveData@CPCIDiskAndCD@@QAAHPAU_SGX_BUF@@KPAK@Z|
000c0 e3500000 cmp r0, #0
000c4 0a00000d beq |$L32206|
; 322 : DUMP_REPORT_KEY(rpcData);
; 323 : // is the drive in a non-NONE RPC state?
; 324 : if (rpcData.ResetCounts & 0xc0) {
000c8 e5dd300c ldrb r3, [sp, #0xC]
000cc e31300c0 tst r3, #0xC0
; 325 : // the drive is in SET, LAST CHANCE or PERM, i.e., this drive
; 326 : // has had its region set already
; 327 : preg->SystemRegion = rpcData.SystemRegion ^ 0xFF;
000d0 15dd300d ldrneb r3, [sp, #0xD]
000d4 11e03003 mvnne r3, r3
000d8 15c43006 strneb r3, [r4, #6]
; 328 : preg->ResetCount = rpcData.ResetCounts & 0x07;
000dc 15dd300c ldrneb r3, [sp, #0xC]
000e0 12033007 andne r3, r3, #7
000e4 15c43007 strneb r3, [r4, #7]
000e8 1a000005 bne |$L32213|
; 329 : }
; 330 : else {
; 331 : // the drive is in NONE, i.e., this drive is a virgin
; 332 : DEBUGMSG(ZONE_ERROR|ZONE_CDROM, (_T(
; 333 : "Atapi!CPCIDiskAndCD::DVDGetRegion> Region has never been set\r\n"
; 334 : )));
; 335 : preg->SystemRegion = 0xFF;
000ec e3a030ff mov r3, #0xFF
; 336 : preg->ResetCount = 5;
000f0 e3a02005 mov r2, #5
000f4 e5c43006 strb r3, [r4, #6]
000f8 e5c42007 strb r2, [r4, #7]
; 337 : }
; 338 : }
; 339 : else {
000fc ea000000 b |$L32213|
00100 |$L32206|
; 340 : DEBUGMSG(ZONE_ERROR|ZONE_CDROM, (TEXT(
; 341 : "Atapi!CPCIDiskAndCD::DVDGetRegion> Failed to receive REPORT KEY response\r\n"
; 342 : )));
; 343 : dwError = ERROR_READ_FAULT;
; 344 : }
; 345 : }
; 346 : else {
; 347 : DEBUGMSG(ZONE_ERROR|ZONE_CDROM, (TEXT(
; 348 : "Atapi!CPCIDiskAndCD::DVDGetRegion> Failed to send REPORT KEY command\r\n"
; 349 : )));
; 350 : dwError = ERROR_READ_FAULT;
00100 e3a0501e mov r5, #0x1E
00104 |$L32213|
; 301 : // security violation
; 302 : DEBUGMSG(ZONE_ERROR, (TEXT(
; 303 : "Atapi!CPCIDiskAndCD::DVDGetRegion> Failed to map pointer to caller\r\n"
; 304 : )));
; 305 : return ERROR_INVALID_PARAMETER;
00104 e1a00005 mov r0, r5
; 351 : }
; 352 :
; 353 : return dwError;
; 354 : }
00108 e28dd02c add sp, sp, #0x2C
0010c e8bd4070 ldmia sp!, {r4 - r6, lr}
00110 e12fff1e bx lr
00114 |$M32522|
ENDP ; |?DVDGetRegion@CPCIDiskAndCD@@QAAKPAU_IOREQ@@@Z|, CPCIDiskAndCD::DVDGetRegion
END
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