W90210F Datasheet, PDF (56/67 Pages) Winbond – PA-RISC EMBEDDED CONTROLLER

W90210F
Move to Itag
Format:
MTITAG b
MTITAG
0:5
5:10
11:15
21:25 26 27:31
05
b
- - - 08 - -
6
5 5 23 5 1 5
Purpose:
To copy a value into Itag from a general register.
Description:
GR r is copied into a specified entry of Itag.
Operation:
entry <-- GR[b][24:31];
Itag[entry][0:20] <-- GR[b][0:20];
Exception:
Privilege instruction trap.
Restriction:
This instruction can be executed only by code running at the most privileged level.
Note:
Itag[entry][0:19]: tag field.
Itag[entry][20]: valid bit.
Move from Itag
Format:
MFITAG b,t
0:5
5:10
11:15
21:25 26 27:31
05
b
- - - 09 - t
6
5 5 23 5 1 5
Purpose:
Description:
Operation:
Exception:
Restriction:
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.
56
The above information is the exclusive intellectual property of Winbond Electronics Corp. and shall not be disclosed, distributed or reproduced without permission from Winbond.
Version 1.4, 10/8/97