IL322294A - קביעה אם לדחות בקשת גישה לזיכרון שהונפקה מהתקן מבקש - Google Patents
קביעה אם לדחות בקשת גישה לזיכרון שהונפקה מהתקן מבקשInfo
- Publication number
- IL322294A IL322294A IL322294A IL32229425A IL322294A IL 322294 A IL322294 A IL 322294A IL 322294 A IL322294 A IL 322294A IL 32229425 A IL32229425 A IL 32229425A IL 322294 A IL322294 A IL 322294A
- Authority
- IL
- Israel
- Prior art keywords
- pas
- memory
- memory access
- access request
- address
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
- G06F12/0284—Multiple user address space allocation, e.g. using different base addresses
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/14—Protection against unauthorised use of memory or access to memory
- G06F12/1416—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights
- G06F12/1425—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block
- G06F12/1433—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block for a module or a part of a module
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/14—Protection against unauthorised use of memory or access to memory
- G06F12/1458—Protection against unauthorised use of memory or access to memory by checking the subject access rights
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/14—Protection against unauthorised use of memory or access to memory
- G06F12/1458—Protection against unauthorised use of memory or access to memory by checking the subject access rights
- G06F12/1466—Key-lock mechanism
- G06F12/1475—Key-lock mechanism in a virtual system, e.g. with translation means
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/14—Protection against unauthorised use of memory or access to memory
- G06F12/1458—Protection against unauthorised use of memory or access to memory by checking the subject access rights
- G06F12/1491—Protection against unauthorised use of memory or access to memory by checking the subject access rights in a hierarchical protection system, e.g. privilege levels, memory rings
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/74—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information operating in dual or compartmented mode, i.e. at least one secure mode
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Software Systems (AREA)
- Storage Device Security (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2302688.3A GB2627496B (en) | 2023-02-24 | 2023-02-24 | Determining whether to reject a memory access request issued by a requester device |
| PCT/GB2024/050056 WO2024175870A1 (en) | 2023-02-24 | 2024-01-11 | Determining whether to reject a memory access request issued by a requester device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL322294A true IL322294A (he) | 2025-09-01 |
Family
ID=85793918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL322294A IL322294A (he) | 2023-02-24 | 2024-01-11 | קביעה אם לדחות בקשת גישה לזיכרון שהונפקה מהתקן מבקש |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP4670051A1 (he) |
| KR (1) | KR20250151484A (he) |
| CN (1) | CN120752619A (he) |
| GB (1) | GB2627496B (he) |
| IL (1) | IL322294A (he) |
| TW (1) | TW202435076A (he) |
| WO (1) | WO2024175870A1 (he) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0226875D0 (en) * | 2002-11-18 | 2002-12-24 | Advanced Risc Mach Ltd | Control of access to a memory by a device |
| GB2570474B (en) * | 2018-01-26 | 2020-04-15 | Advanced Risc Mach Ltd | Region fusing |
| GB2593485B (en) * | 2020-03-24 | 2022-06-15 | Advanced Risc Mach Ltd | Apparatus and method using plurality of physical address spaces |
| GB2593486B (en) * | 2020-03-24 | 2022-06-15 | Advanced Risc Mach Ltd | Apparatus and method using plurality of physical address spaces |
| GB2595256B (en) * | 2020-05-19 | 2022-08-17 | Advanced Risc Mach Ltd | Translation table address storage circuitry |
-
2023
- 2023-02-24 GB GB2302688.3A patent/GB2627496B/en active Active
-
2024
- 2024-01-11 CN CN202480012484.3A patent/CN120752619A/zh active Pending
- 2024-01-11 EP EP24701270.1A patent/EP4670051A1/en active Pending
- 2024-01-11 IL IL322294A patent/IL322294A/he unknown
- 2024-01-11 WO PCT/GB2024/050056 patent/WO2024175870A1/en not_active Ceased
- 2024-01-11 KR KR1020257031146A patent/KR20250151484A/ko active Pending
- 2024-02-12 TW TW113105174A patent/TW202435076A/zh unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP4670051A1 (en) | 2025-12-31 |
| TW202435076A (zh) | 2024-09-01 |
| GB2627496A (en) | 2024-08-28 |
| CN120752619A (zh) | 2025-10-03 |
| GB2627496B (en) | 2025-08-20 |
| WO2024175870A1 (en) | 2024-08-29 |
| GB202302688D0 (en) | 2023-04-12 |
| KR20250151484A (ko) | 2025-10-21 |
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