IBM PowerPC 604 User Manual page 159

Table 3-6. Cache Actions (Continued)
Cache MESI
Action
Bus Bus
TT0-4 Rsv'n
Snoop
Action
WIM State Operation WIM
Response
000
I
deb I Kill 000 01100 (!Va) (None) or No-op
§m
000 ME deb I
Kill
000
01100 (!Va) (None) or Mark the cache block I
s
§m
000 ME deb I Kill 000
01100 (!Va)
ARTRY
or Release the bus
SI
AR'TRV&§m
retry the operation
001
I
deb I Kill 001 01100 (!Va) (None) or No-op
§m
001 I deb I Kill 001 01100 (!Va)
ARTRY
or Release the bus
AR'TRV&§m
retry the operation
001
s
deb I Kill 001 01100 (!Va) (None) or Mark cache block I
§m
001
s
deb I Kill 001 01100 (!Va)
ARTRY
or Release the bus
AR'TRV&§m
retry the operation
001 EM deb I Kill 001 01100 (!Va) (None) or Mark cache block I
§m
001 EM deb I
Kill
001 01100 (!Va)
ARTRY
or Release the bus
AR'TRV&§m
retry the operation
011 I deb I Kill
W1M 01100
(!Va) (None) or
No-op
010
§m
110
111
011 ME deb I Kill
W1M 01100
(!Va)
(None) or Mark cache block I
010
s
§m
110
111
011 ME dcbl Kill
W1M 01100 (!Va) ARTRVor Release the bus
010 SI AR'TRV&'SRD'
retry the operation
110
111
100 I deb I
Kill
100 01100 (!Va) (None) or No-op
§m
100
ME deb I
Kill
100 01100 (!Va) ARTRVor Release the bus
SI
XATF!Y&'SRD'
retry the operation
100
ME deb I Kill 100 01100 (!Va)
(None) or Mark cache block I
s
'SRD'
101 I
deb I
Kill
101 01100 (!Va) (None) or No-op
'SRD'
101
ME deb I Kill 101 01100 (!Va) ARTRVor
Release the bus
SI
ARTR&'SRD' retry the operation
3-36
PowerPC 604 RISC Microprocessor User's Manual