iokit/Kernel/IONVRAM.cpp

455 IOReturn IODTNVRAM::readXPRAM(IOByteCount offset, UInt8 *buffer,
460   if ((buffer == 0) || (length == 0) ||
464   bcopy(_nvramImage + _xpramPartitionOffset + offset, buffer, length);
469 IOReturn IODTNVRAM::writeXPRAM(IOByteCount offset, UInt8 *buffer,
474   if ((buffer == 0) || (length == 0) ||
478   bcopy(buffer, _nvramImage + _xpramPartitionOffset + offset, length);
519 				       IOByteCount offset, UInt8 *buffer,
536   if ((buffer == 0) || (length == 0) ||
540   bcopy(_nvramImage + partitionOffset + offset, buffer, length);
546 					IOByteCount offset, UInt8 *buffer,
563   if ((buffer == 0) || (length == 0) ||
567   bcopy(buffer, _nvramImage + partitionOffset + offset, length);
574 IOByteCount IODTNVRAM::savePanicInfo(UInt8 *buffer, IOByteCount length)
582   bcopy(buffer, _piImage + 4, length);
766   UInt8                *buffer, *tmpBuffer;
781     buffer = tmpBuffer = IONew(UInt8, _ofPartitionSize);
782     if (buffer == 0) return kIOReturnNoMemory;
783     bzero(buffer, _ofPartitionSize);
810       bcopy(buffer, _ofImage, _ofPartitionSize);
813     IODelete(buffer, UInt8, _ofPartitionSize);
817     buffer = IONew(UInt8, _ofPartitionSize);
818     if (buffer == 0) return kIOReturnNoMemory;
819     bzero(buffer, _ofPartitionSize);
821     owHeader    = (OWVariablesHeader *)buffer;
863 	  bcopy(tmpData, buffer + curOffset, tmpDataLength);
874       owHeader->owChecksum = ~generateOWChecksum(buffer);
876       bcopy(buffer, _ofImage, _ofPartitionSize);
879     IODelete(buffer, UInt8, _ofPartitionSize);
1077 bool IODTNVRAM::convertObjectToProp(UInt8 *buffer, UInt32 *length,
1124   buffer += snprintf((char *)buffer, *length, "%s=", propName);
1129       strlcpy((char *)buffer, "true", *length - propNameLength);
1131       strlcpy((char *)buffer, "false", *length - propNameLength);
1138       strlcpy((char *)buffer, "-1", *length - propNameLength);
1140       snprintf((char *)buffer, *length - propNameLength, "%d", (uint32_t)tmpValue);
1142       snprintf((char *)buffer, *length - propNameLength, "0x%x", (uint32_t)tmpValue);
1147     strlcpy((char *)buffer, tmpString->getCStringNoCopy(), *length - propNameLength);
1151     bcopy(tmpData->getBytesNoCopy(), buffer, propDataLength);
1156   propDataLength = strlen((const char *)buffer);
1164 UInt16 IODTNVRAM::generateOWChecksum(UInt8 *buffer)
1167   UInt16 *tmpBuffer = (UInt16 *)buffer;
1175 bool IODTNVRAM::validateOWChecksum(UInt8 *buffer)
1178   UInt16 *tmpBuffer = (UInt16 *)buffer;