W90221X Winbond Electronics Corp America, W90221X Datasheet - Page 193

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

Move from Btable
Format: MFBTAB
Purpose : To copy a value into a general register from BTB_table.
Description : A specified entry of BTB_table is copied into GR[t].
Operation : entry <-- GR[b][26:31];
Exception : Privilege instruction trap.
Restriction : This instruction can only be executed by code running at the most
privilege level.
Move to Itag
Format: MTITAG
Purpose : To copy a value into Itag from a general register.
Description : GR[b][0:20] is copied into a specified entry of BTB_tag.
Operation : entry <-- GR[b][24:31];
Exception : Privilege instruction trap.
W90221X version 0.6
05
05
0:5
0:5
6
6
Btable[set, entry][32:33]
b
b
6:10
6:10
set
field <-- GR[b][23];
if (field == 0)
else
Itag[entry][0:20] <-- GR[b][0:20];
5
5
GR[t][0:31] <-- Btable[set, entry][0:31];
GR[t][30:31] <-- Btable[set, entry][32:33];
-
<-- GR[b][24:25];
-
11:15
11:15
5
5
b,t
b
-
-
16:18
16:18
2
2
-
-
19
19
0
0
2
2
20
20
07
08
1
1
21:25
21:25
: History bits
-
-
5
5
-
t
26
26
1
1
27:31
27:31
5
5
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