Coprocessors

5.2.8Register 7 – Cache Control Operations

Register 7 is a write-only register. The CRm and OPC_2 fields are used to encode the cache control operations. Operation for all other values for OPC_2 and CRm is unpredictable.

Function

OPC_2

CRm

Data

 

 

 

 

Flush I+D

0b000

0b0111

Ignored

 

 

 

 

Flush I

0b000

0b0101

Ignored

 

 

 

 

Flush D

0b000

0b0110

Ignored

 

 

 

 

Flush D single entry

0b001

0b0110

Virtual address

 

 

 

 

Clean Dcache entry

0b001

0b1010

Virtual address

 

 

 

 

Drain write buffer

0b100

0b1010

Ignored

 

 

 

 

5.2.9Register 8 – TLB Operations

Register 8 is a write-only register. The CRm and OPC_2 fields are used to encode the following TLB flush operations. Operation for all other values of OPC_2 and CRm is unpredictable.

Function

OPC_2

CRm

Data

 

 

 

 

Flush I+D

0b000

0b0111

Ignored

 

 

 

 

Flush I

0b000

0b0101

Ignored

 

 

 

 

Flush D

0b000

0b0110

Ignored

 

 

 

 

Flush D single entry

0b001

0b0110

Virtual address

 

 

 

 

SA-1100 Developer’s Manual

5-5

Page 49
Image 49
Intel SA-1100 manual Register 7 Cache Control Operations, Register 8 TLB Operations, Function, OPC2, CRm Data