Claims
- 1. An instruction format for a transfer instruction comprising:a base opcode field indicating that an instruction is of the transfer type; a C/S field indicating that a transfer unit for the instruction is a core transfer unit or a system transfer unit; an I/O field indicates whether the transfer direction is inbound or outbound; a data type field indicates the size of each element transferred; an address mode refers to a data access pattern which must be generated by the transfer unit; a transfer count indicates the number of data elements of the size defined by the data type field are to be transferred to or from a target memory or device before an end of transfer (EOT) occurs for that memory or device; and an address field specifies a starting address for the transfer.
- 2. The instruction format of claim 1 further comprising an execute (X) field which when set to “1” indicates a start transfer event.
- 3. The instruction format of claim 1 further comprising an execute (X) field which when set to “0”, parameters are loaded into a specified unit, but instruction fetching or decoding continues until a start transfer event occurs.
RELATED APPLICATIONS
The present application claims the benefit of U.S. Provisional Application Ser. No. 60/113,555 entitled “Methods and Apparatus Providing Transfer Control” and filed Dec. 23, 1998.
US Referenced Citations (10)
Provisional Applications (1)
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Number |
Date |
Country |
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60/113555 |
Dec 1998 |
US |