W90221X Winbond Electronics Corp America, W90221X Datasheet - Page 196

• Manufacturer Part Number: W90221X
• Description: Pa-risc Embedded Controller
• Manufacturer: Winbond Electronics Corp America

Note : Dtag[set, entry][0:21] : tag field
Move from Dtag
Format: MFDTAG
Purpose : To copy a value into a general register from Dtag.
Description : A specified entry of Dtag is copied into GR[t].
Operation : entry <-- GR[b][22:27];
Exception : Privilege instruction trap.
Restriction : This instruction can only be executed by code running at the most
privilege level.
Move to Dcache
Format: MTDCAH r,b
Purpose : To copy a value into Dcache from a general register.
Description : GR[r] is copied into a specified entry of Dcache.
Operation : entry <-- GR[b][22:27];
Exception : Privilege instruction trap.
W90221X version 0.6
05
05
0:5
0:5
6
6
Dtag[set, entry][22]
b
b
6:10
6:10
set
GR[t][0:22] <-- Dtag[set, entry][0:22];
word <-- GR[b][28:29];
set
Dcache[set, entry, word][0:33] <-- {GR[r][0:31], GR[b][20:21]};
5
5
<-- GR[b][30:31];
-
<-- GR[b][30:31];
r
11:15
11:15
5
5
b,t
-
-
16:18
16:18
: valid bit
2
2
-
-
19
19
0
0
2
2
20
20
0D
0E
1
1
21:25
21:25
-
-
5
5
-
t
26
26
1
1
27:31
27:31
5
5
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