IBM PPC440X5 CPU Core, User Manual

Page: 483 / 590

DNV0–DNV3
Data Cache Normal Victim 0–3
Preliminary PPC440x5 CPU Core User’s Manual
regsumm440core.fm.
September 12, 2002
Page 483 of 589
DNV0–DNV3
SPR 0x390–0x393 Supervisor R/W
See Cache Line Replacement Policy on page 96.
Figure 10-18. Data Cache Normal Victim Registers (DNV0–DNV3)
0:7 VNDXA
Victim Index A (for cache lines with EA[25:26] =
0b00)
For all victim index fields, the number of bits used
to select the cache way for replacement depends
on the implemented cache size. See Table 4-3, on
page -98
for more information.
8:15 VNDXB
Victim Index B (for cache lines with EA[25:26] =
0b01)
16:23 VNDXC
Victim Index C (for cache lines with EA[25:26] =
0b10)
24:31
VNDXD Victim Index D (for cache lines with EA[25:26] =
0b11)
0 7 8 15 16 23 24 31
VNDXA
VNDXC
VNDXB
VNDXD