SA-1100 Developer’s Manual 5-5
Coprocessors
5.2.8 Register 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.
5.2.9 Register 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
Clean Dcache entry 0b001 0b1010 Virtual address
Drain write buffer 0b100 0b1010 Ignored
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