Cache control device and method with TLB search before key receipt
US6883077B2 · kind B2 · utility
10Cited by
3References
10Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 27, 2002 |
| Grant date | Apr 19, 2005 |
| Priority date | — |
| Expiry date | Jul 3, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F12/1045
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In an information processsing unit with key controlled protection, since it takes a long time to fetch a storage key from key storage, an instruction and computation unit of a CPU receives data from a memory control unit of the CPU before a key is received, and then the transferred storage key is checked.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.