A CPU Instruction Set Details




Format:

SWCz rt, offset(base)

Description:

The 16-bit offset is sign-extended and added to the contents of general register base to form a virtual address. Coprocessor unit z sources a word, which the processor writes to the addressed memory location.

The data to be stored is defined by individual coprocessor specifications.

This instruction is not valid for use with CP0.

If either of the two least-significant bits of the effective address is non-zero, an address error exception occurs.

Operation:

*See the table "Opcode Bit Encoding" on next page, or "CPU Instruction Opcode Bit Encoding" at the end of Appendix A.



Exceptions:

TLB refill exception
TLB invalid exception
TLB modification exception
Bus error exception
Address error exception
Coprocessor unusable exception

Opcode Bit Encoding:



Copyright 1996, MIPS Technologies, Inc. -- 21 MAR 96

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