CD_Prefetch (changes)
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CDFSDriver
» SWI Calls
» CD_Prefetch
CD_Prefetch
(SWI &41259)
| Entry | |
|---|---|
| R0 | Addressing mode |
| R1 | Address |
| R7 | Pointer to |
| Exit | |
|---|---|
| - | - |
Use
The purpose of this call is to cause caching the on drive drives head where to this move is to supported. the indicated position and start prefetching data into the drives’ cache, improving access times if the next read operation targets that address.
Notes
None.CD_Supported can be used to determine whether the drive supports this operation.
See also
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