| copyin | 
  Copies data between user and kernel memory. | 
| copyout | 
  Copies data from kernel to user memory. | 
| curtime | 
  Read the current time into timestruc_t structure. | 
| d_bflush | 
  Flushes the appropriate I/O controller cache (IOCC), identified by the 
TCE bus address parameter, on memory-inconsistent platforms. | 
| d_cflush | 
  Flushes the processor data cache and invalidates any prefetched data that 
may be in the IOCC buffers on memory-inconsistent platforms. | 
| d_clear | 
  Frees a Direct Memory Access (DMA) channel. | 
| d_complete | 
  Cleans up after a Direct Memory Access (DMA) transfer.  | 
| d_init | 
  Initializes a Direct Memory Access (DMA) channel. | 
| d_mask | 
  Disables a Direct Memory Access (DMA) channel. | 
| d_master | 
  Initializes a block-mode Direct Memory Access (DMA) transfer for a DMA 
master. | 
| d_slave | 
  Initializes a block-mode Direct Memory Access (DMA) transfer for a DMA 
slave. | 
| d_unmask | 
  Enables a Direct Memory Access (DMA) channel. | 
| e_sleep | 
  Causes process to sleep. | 
| e_wakeup | 
  Wakes up sleeping process. | 
| i_clear | 
  Removes an interrupt handler. | 
| i_disable | 
  Disables interrupt priorities. | 
| i_enable | 
  Enables interrupt priorities. | 
| i_init  | 
  Defines an interrupt handler. | 
| io_att | 
  Selects, allocates, and maps a region in the current address space for 
I/O access. | 
| io_det | 
  Unmaps and deallocates the region in the current address space at the 
given address. | 
| kmod_entrypt | 
  Returns a function pointer to a kernel module's entry point. | 
| pincode | 
  Pins the code and data associated with an object file. | 
| pinu | 
  Pins the specified address range in user or system memory. | 
| unpincode | 
  Unpins the code and data associated with an object file. | 
| unpinu | 
  Unpins the specified address range in user or system memory. | 
| xmalloc | 
  Allocates memory. | 
| xmattach | 
  Attaches to a user buffer for cross-memory operations. | 
| xmdetach | 
  Detaches from a user buffer used for cross-memory operations. | 
| xmemdma | 
  Prepares a page of memory for DMA (used with BUS_60X only). | 
| xmemin | 
  Copies data to kernel space from a cross-memory attached buffer. | 
| xmemout | 
  Copies data from kernel space to a cross-memory attached buffer. | 
| xmfree | 
  Frees allocated memory. |