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Tlbwr, Write random tlb entry – NEC Network Controller uPD98502 User Manual

Page 579

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APPENDIX A MIPS III INSTRUCTION SET DETAILS

Preliminary User’s Manual S15543EJ1V0UM

579

TLBWR

Write Random TLB Entry

TLBWR

0

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

COP0

0 1 0 0 0 0

TLBWR

0 0 0 1 1 0

31

26 25

6 5

0

6

19

6

CO

1

1

24

Format:

TLBWR

Description:

The TLB entry pointed at by the contents of the TLB Random register is loaded with the contents of the EntryHi

and EntryLo registers.

The

G bit of the TLB is written with the logical AND of the G bits in the EntryLo0 and EntryLo1 registers.

Operation:

32, 64 T:

TLB [Random

5...0

]

PageMask || (EntryHi and not PageMask) || EntryLo1 || EntryLo0

Exceptions:

Coprocessor unusable exception