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ICDBDR
Instruction Cache Debug Data Register
10-30 PPC405 Core User’s Manual
ICDBDR
SPR 0x3D3 Read-Only
See “ICU Debugging” on page 4-14.
ICU tag information is placed into the ICDBDR as shown:
Figure 10-17. Instruction Cache Debug Data Register (ICDBDR)
0:31 Instruction cache information See icread, page -68.
0:21 TAG Cache Tag
22:26
Reserved
27 V Cache Line Valid
0 Not valid
1 Valid
28:30
Reserved
31 LRU Least Recently Used (LRU)
0 A-way LRU
1 B-way LRU
0 31