W90210F Winbond Electronics Corp America, W90210F Datasheet - Page 56

• Manufacturer Part Number: W90210F
• Description: Pa-risc Embedded Controller
• Manufacturer: Winbond Electronics Corp America

Move to Itag
Format:
Purpose:
Description:
Operation:
Exception:
Restriction:
Note:
Move from Itag
Format:
Purpose:
Description:
Operation:
Exception:
Restriction:
05
05
0:5
0:5
6
6
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5:10
5:10
b
5
b
5
MTITAG b
To copy a value into Itag from a general register.
GR r is copied into a specified entry of Itag.
entry <-- GR[b][24:31];
Itag[entry][0:20] <-- GR[b][0:20];
Privilege instruction trap.
This instruction can be executed only by code running at the most privileged level.
Itag[entry][0:19]: tag field.
Itag[entry][20]: valid bit.
MFITAG b,t
To copy a value into general register from Itag.
The content of a specified Itag_entry is copied into GR t.
way <-- AIR[0][26];
entry <-- {way, GR[b][25:31]};
GR[t][0:21] <-- Itag[entry][0:21]
Privilege instruction trap.
This instruction can be executed only by code running at the most privileged level.
11:15
11:15
-
5
-
5
- -
2 3
- -
2 3
08
09
21:25
21:25
5
5
26
-
1
26
-
1
56
27:31
27:31
-
5
t
5
MTITAG
W90210F
Version 1.4, 10/8/97