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ntdll: Implement CDROM_RawRead() on Mac OS.

This commit is contained in:
Charles Davis 2009-10-13 12:58:59 -06:00 committed by Alexandre Julliard
parent d48d923df3
commit 6368dbbd59
1 changed files with 149 additions and 0 deletions
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149
dlls/ntdll/cdrom.c
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@ -1445,6 +1445,155 @@ static NTSTATUS CDROM_RawRead(int fd, const RAW_READ_INFO* raw, void* buffer, DW
break;
}
default:
FIXME("NIY: %d\n", raw->TrackMode);
return STATUS_INVALID_PARAMETER;
}
#elif defined(__APPLE__)
switch (raw->TrackMode)
{
case YellowMode2:
{
/* Mac OS, on the other hand, DOES read only one part of the sector
* at a time. Therefore, we have to read each part of the sector, in
* order, to get the whole raw sector in.
* This means that we have to read each sector one at a time, as on
* Linux.
*/
dk_cd_read_t cdrd;
UInt64 lba = raw->DiskOffset.QuadPart >> 11;
PBYTE bp;
int i;
for (i = 0, bp = buffer; i < raw->SectorCount;
i++, lba++, bp += kCDSectorSizeWhole)
{
cdrd.offset = lba * kCDSectorSizeWhole;
cdrd.sectorType = kCDSectorTypeMode2;
/* First, the sync area */
cdrd.sectorArea = kCDSectorAreaSync;
cdrd.buffer = bp;
cdrd.bufferLength = 12;
io = ioctl(fd, DKIOCCDREAD, &cdrd);
if (io != 0)
{
*sz = kCDSectorSizeWhole * i;
return CDROM_GetStatusCode(io);
}
/* Then the header */
cdrd.offset += 12;
cdrd.sectorArea = kCDSectorAreaHeader;
cdrd.buffer = (PBYTE)cdrd.buffer + 12;
cdrd.bufferLength = 4;
io = ioctl(fd, DKIOCCDREAD, &cdrd);
if (io != 0)
{
*sz = kCDSectorSizeWhole * i + 12;
return CDROM_GetStatusCode(io);
}
/* And finally the sector proper */
cdrd.offset += 4;
cdrd.sectorArea = kCDSectorAreaUser;
cdrd.buffer = (PBYTE)cdrd.buffer + 4;
cdrd.bufferLength = kCDSectorSizeMode2;
io = ioctl(fd, DKIOCCDREAD, &cdrd);
if (io != 0)
{
*sz = kCDSectorSizeWhole * i + 16;
return CDROM_GetStatusCode(io);
}
}
break;
}
case XAForm2:
{
/* Same here */
dk_cd_read_t cdrd;
UInt64 lba = raw->DiskOffset.QuadPart >> 11;
PBYTE bp;
int i;
for (i = 0, bp = buffer; i < raw->SectorCount;
i++, lba++, bp += kCDSectorSizeWhole)
{
cdrd.offset = lba * kCDSectorSizeWhole;
cdrd.sectorType = kCDSectorTypeMode2Form2;
/* First, the sync area */
cdrd.sectorArea = kCDSectorAreaSync;
cdrd.buffer = bp;
cdrd.bufferLength = 12;
io = ioctl(fd, DKIOCCDREAD, &cdrd);
if (io != 0)
{
*sz = kCDSectorSizeWhole * i;
return CDROM_GetStatusCode(io);
}
/* Then the header */
cdrd.offset += 12;
cdrd.sectorArea = kCDSectorAreaHeader;
cdrd.buffer = (PBYTE)cdrd.buffer + 12;
cdrd.bufferLength = 4;
io = ioctl(fd, DKIOCCDREAD, &cdrd);
if (io != 0)
{
*sz = kCDSectorSizeWhole * i + 12;
return CDROM_GetStatusCode(io);
}
/* And the sub-header */
cdrd.offset += 4;
cdrd.sectorArea = kCDSectorAreaSubHeader;
cdrd.buffer = (PBYTE)cdrd.buffer + 4;
cdrd.bufferLength = 8;
io = ioctl(fd, DKIOCCDREAD, &cdrd);
if (io != 0)
{
*sz = kCDSectorSizeWhole * i + 16;
return CDROM_GetStatusCode(io);
}
/* And finally the sector proper */
cdrd.offset += 8;
cdrd.sectorArea = kCDSectorAreaUser;
cdrd.buffer = (PBYTE)cdrd.buffer + 8;
cdrd.bufferLength = kCDSectorSizeMode2;
io = ioctl(fd, DKIOCCDREAD, &cdrd);
if (io != 0)
{
*sz = kCDSectorSizeWhole * i + 24;
return CDROM_GetStatusCode(io);
}
}
break;
}
case CDDA:
{
/* With CDDA, the whole raw sector is considered user data, so there's
* no need to read one at a time.
*/
dk_cd_read_t cdrd;
cdrd.offset = (raw->DiskOffset.QuadPart >> 11) * kCDSectorSizeCDDA;
cdrd.sectorArea = kCDSectorAreaUser;
cdrd.sectorType = kCDSectorTypeCDDA;
cdrd.buffer = buffer;
cdrd.bufferLength = len < raw->SectorCount*kCDSectorSizeCDDA ? len :
raw->SectorCount*kCDSectorSizeCDDA;
io = ioctl(fd, DKIOCCDREAD, &cdrd);
if (io != 0) return CDROM_GetStatusCode(io);
break;
}
default:
FIXME("NIY: %d\n", raw->TrackMode);
return STATUS_INVALID_PARAMETER;