iokit/Kernel/IONVRAM.cpp

54   _nvramImage = IONew(UInt8, kIODTNVRAMImageSize);
55   if (_nvramImage == 0) return false;
81   _nvramController->read(0, _nvramImage, kIODTNVRAMImageSize);
93       currentLength = ((UInt16 *)(_nvramImage + currentOffset))[1] * 16;
98       if (strncmp((const char *)_nvramImage + currentOffset + 4,
102       } else if (strncmp((const char *)_nvramImage + currentOffset + 4,
108       } else if (strncmp((const char *)_nvramImage + currentOffset + 4,
112       } else if (strncmp((const char *)_nvramImage + currentOffset + 4,
119 		*(UInt8 *)(_nvramImage + currentOffset));
121 		(const char *)(_nvramImage + currentOffset + 4), 12);
147     _ofImage    = _nvramImage + _ofPartitionOffset;
149     _xpramImage = _nvramImage + _xpramPartitionOffset;
151     _nrImage    = _nvramImage + _nrPartitionOffset;
156       _nvramImage[freePartitionOffset] = 0xa1;
158       _nvramImage[freePartitionOffset + 1] = 0;
160       strncpy((char *)(_nvramImage + freePartitionOffset + 4),
169       _piImage = _nvramImage + _piPartitionOffset;
175       *(UInt16 *)(_nvramImage + freePartitionOffset + 2) =
179       _nvramImage[freePartitionOffset + 1] =
180 	calculatePartitionChecksum(_nvramImage + freePartitionOffset);
187       _nvramImage[freePartitionOffset] = 0x7f;
189       _nvramImage[freePartitionOffset + 1] = 0;
191       strncpy((char *)(_nvramImage + freePartitionOffset + 4),
194       *(UInt16 *)(_nvramImage + freePartitionOffset + 2) =
197       _nvramImage[freePartitionOffset + 1] =
198 	calculatePartitionChecksum(_nvramImage + freePartitionOffset);
204     _piImage = _nvramImage + _piPartitionOffset;
220   _nvramController->write(0, _nvramImage, kIODTNVRAMImageSize);
464   bcopy(_nvramImage + _xpramPartitionOffset + offset, buffer, length);
478   bcopy(buffer, _nvramImage + _xpramPartitionOffset + offset, length);
540   bcopy(_nvramImage + partitionOffset + offset, buffer, length);
567   bcopy(buffer, _nvramImage + partitionOffset + offset, length);