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INSTRUCTION SET REFERENCE
Table 6-16. ICCTL Status Values and Instruction Cache Parameters
Value
bytes per atom
atoms per line
number of sets
number of ways
cache size
Status[0] (enable /
disable)
Status[1:3] (reserved)
Status[7:4] (log2(bytes
per atom))
Status[11:8]
(log2(atoms per line))
Status[15:12]
(log2(number of sets))
Status[27:16] (number
of ways - 1)
Lock Status[7:0]
(number of blocks that
lock)
Lock Status[23:8] (block
size in words)
Lock Status[31:24]
(number of blocks that
are locked)
6-60
Value on
Value on
i960JD/JF
i960JA CPU
CPU
4
4
4
4
64
128
2
2
2-Kbytes
4-Kbytes
0 or 1
0 or 1
0
0
2
2
2
2
6
7
1
1
1
1
256
512
0 or 1
0 or 1
Value on
i960JTA CPU
4
4
512
2
16-Kbytes
0 or 1
0
2
2
9
1
1
2048
0 or 1
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