inMaxTransferSize,
inAlignment);
}
-
-/************************* class IODBDMAMemoryCursor *************************/
-
-#if defined(__ppc__)
-
-#include <IOKit/ppc/IODBDMA.h>
-
-#undef super
-#define super IOMemoryCursor
-OSDefineMetaClassAndStructors(IODBDMAMemoryCursor, IOMemoryCursor)
-
-void
-IODBDMAMemoryCursor::outputSegment(PhysicalSegment inSegment,
- void * inSegments,
- UInt32 inSegmentIndex)
-{
- IODBDMADescriptor *segment;
-
- segment = &((IODBDMADescriptor *) inSegments)[inSegmentIndex];
-
- // Write location into address field
- OSWriteSwapInt32((UInt32 *) segment, 4, inSegment.location);
-
- // Write count into 1st two bytes of operation field.
- // DO NOT touch rest of operation field as it should contain a STOP command.
- OSWriteSwapInt16((UInt16 *) segment, 0, inSegment.length);
-}
-
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-IODBDMAMemoryCursor *
-IODBDMAMemoryCursor::withSpecification(IOPhysicalLength inMaxSegmentSize,
- IOPhysicalLength inMaxTransferSize,
- IOPhysicalLength inAlignment)
-{
- IODBDMAMemoryCursor *me = new IODBDMAMemoryCursor;
-
- if (me && !me->initWithSpecification(inMaxSegmentSize,
- inMaxTransferSize,
- inAlignment))
- {
- me->release();
- return 0;
- }
-
- return me;
-}
-
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-bool
-IODBDMAMemoryCursor::initWithSpecification(IOPhysicalLength inMaxSegmentSize,
- IOPhysicalLength inMaxTransferSize,
- IOPhysicalLength inAlignment)
-{
- return super::initWithSpecification(&IODBDMAMemoryCursor::outputSegment,
- inMaxSegmentSize,
- inMaxTransferSize,
- inAlignment);
-}
-
-#endif /* defined(__ppc__) */
-