IBM PowerPC 604 User Manual page 160

Table 3-6. Cache Actions (Continued)
Cache MESI
Action
Bus Bus
TI0-4 Rsv'n
Snoop
Action
WIM
State
Operation WIM Response
101 ME deb I Kill 101 01100 (nla) (None) or
Mark cache block I
s
§fl)
000 INV
lcbl ICBI 000 01101
(nla) (None) or
No-op
§fl)
000 INV lcbl ICBI 000 01101
(nla)
ARTRY'
or Release the bus
ARTR'Y&§f[)
retry the operation
000 VAL
lcbl
ICBI
000
01101 (nla) (None) or Mark icache block INV
§fl)
000 VAL lcbl ICBI 000 01101 (nla)
ARTRY
or Release the bus
ARTR'Y&§f[)
retry the operation
001 INV lcbl ICBI 001 01101 (nla) (None) or No-op
§fl)
001
INV lcbl ICBI 001 01101 (nla)
ARTRY
or Release the bus
VAL
ARTR'Y&§f[)
retry the operation
001 VAL lcbl
ICBI 001 01101 (nla) (None) or Mark icache block INV
§fl)
011 INV lcbl ICBI 01M 01101
(nla) (None) or No-op
010
11M
§fl)
110
111
011 INV lcbl ICBI 01M 01101
(nla)
ARTRY
or Release the bus
010 VAL
11M
ARTR'Y&§f[)
retry the operation
110
111
011 VAL lcbl ICBI 01M
01101 (nla) (None) or Mark icache block INV
010 11M
'SAD
110
111
100
INV lcbl ICBI 100 01101 (nla) (None) or No-op
§fl)
100 INV lcbl
ICBI 100 01101 (nla)
ARTRY
or Release the bus
VAL
ARTR'Y&§f[)
retry the operation
100 VAL lcbl ICBI 100
01101 (nla) (None) or Mark icache block INV
§fl)
101 INV lcbl ICBI 101 01101
(nla) (None) or No-op
§fl)
101 INV lcbl ICBI 101 01101
(nla)
ARTRY
or Release the bus
VAL
Am'RV&'SRD
retry the operation
101 VAL lcbl
ICBI 101 01101 (nla) (None) or Mark icache block INV
'SAD
Chapter 3. Cache and Bus Interface Unit Operation
3.37