GB2616643B - Read-as-X property for page of memory address space - Google Patents

Read-as-X property for page of memory address space Download PDF

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Publication number
GB2616643B
GB2616643B GB2203646.1A GB202203646A GB2616643B GB 2616643 B GB2616643 B GB 2616643B GB 202203646 A GB202203646 A GB 202203646A GB 2616643 B GB2616643 B GB 2616643B
Authority
GB
United Kingdom
Prior art keywords
page
property
read
memory address
address space
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB2203646.1A
Other languages
English (en)
Other versions
GB202203646D0 (en
GB2616643A (en
Inventor
Peter Barnes Graeme
John Craske Simon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ARM Ltd
Original Assignee
ARM Ltd
Advanced Risc Machines Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ARM Ltd, Advanced Risc Machines Ltd filed Critical ARM Ltd
Priority to GB2203646.1A priority Critical patent/GB2616643B/en
Publication of GB202203646D0 publication Critical patent/GB202203646D0/en
Priority to KR1020247033873A priority patent/KR20240159950A/ko
Priority to PCT/GB2022/053304 priority patent/WO2023175289A1/en
Priority to CN202280093428.8A priority patent/CN118843857A/zh
Priority to IL314979A priority patent/IL314979A/en
Priority to EP22835099.7A priority patent/EP4494012A1/en
Priority to US18/844,294 priority patent/US20250181515A1/en
Priority to JP2024553454A priority patent/JP2025512715A/ja
Priority to TW112105760A priority patent/TW202403562A/zh
Publication of GB2616643A publication Critical patent/GB2616643A/en
Application granted granted Critical
Publication of GB2616643B publication Critical patent/GB2616643B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G06F12/1027—Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB]
    • 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
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G06F12/1009—Address translation using page tables, e.g. page table structures
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Memory System (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
GB2203646.1A 2022-03-16 2022-03-16 Read-as-X property for page of memory address space Active GB2616643B (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GB2203646.1A GB2616643B (en) 2022-03-16 2022-03-16 Read-as-X property for page of memory address space
US18/844,294 US20250181515A1 (en) 2022-03-16 2022-12-20 Read-as-x property for page of memory address space
PCT/GB2022/053304 WO2023175289A1 (en) 2022-03-16 2022-12-20 Read-as-x property for page of memory address space
CN202280093428.8A CN118843857A (zh) 2022-03-16 2022-12-20 用于存储器地址空间的页面的“读值只有x”性质
IL314979A IL314979A (en) 2022-03-16 2022-12-20 property reads as X for page memory address space
EP22835099.7A EP4494012A1 (en) 2022-03-16 2022-12-20 Read-as-x property for page of memory address space
KR1020247033873A KR20240159950A (ko) 2022-03-16 2022-12-20 메모리 어드레스 공간의 페이지에 대한 read-as-X 속성
JP2024553454A JP2025512715A (ja) 2022-03-16 2022-12-20 メモリアドレス空間のページに対するｘとして読み取られるプロパティ
TW112105760A TW202403562A (zh) 2022-03-16 2023-02-17 用於記憶體位址空間之頁面的「讀值只有x」性質

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2203646.1A GB2616643B (en) 2022-03-16 2022-03-16 Read-as-X property for page of memory address space

Publications (3)

Publication Number Publication Date
GB202203646D0 GB202203646D0 (en) 2022-04-27
GB2616643A GB2616643A (en) 2023-09-20
GB2616643B true GB2616643B (en) 2024-07-10

Family

ID=81254766

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2203646.1A Active GB2616643B (en) 2022-03-16 2022-03-16 Read-as-X property for page of memory address space

Country Status (9)

Country Link
US (1) US20250181515A1 (https=)
EP (1) EP4494012A1 (https=)
JP (1) JP2025512715A (https=)
KR (1) KR20240159950A (https=)
CN (1) CN118843857A (https=)
GB (1) GB2616643B (https=)
IL (1) IL314979A (https=)
TW (1) TW202403562A (https=)
WO (1) WO2023175289A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20250110902A1 (en) * 2023-09-29 2025-04-03 Ampere Computing Llc Processors employing default tags for writes to memory from devices not compliant with a memory tagging extension and related methods
US20250307190A1 (en) * 2024-03-28 2025-10-02 Advanced Micro Devices, Inc. On-chip collective operations
CN121255663B (zh) * 2025-12-03 2026-03-20 中国科学院软件研究所 污点标签处理方法、装置、设备及介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150089146A1 (en) * 2013-09-24 2015-03-26 Qualcomm Incorporated Conditional page fault control for page residency
US20160019168A1 (en) * 2014-07-18 2016-01-21 Qualcomm Incorporated On-Demand Shareability Conversion In A Heterogeneous Shared Virtual Memory
EP3671474A1 (en) * 2018-12-20 2020-06-24 Intel Corporation Restricting usage of encryption keys by untrusted software

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5870097A (en) * 1995-08-04 1999-02-09 Microsoft Corporation Method and system for improving shadowing in a graphics rendering system
CN106503004B (zh) * 2015-09-07 2020-09-11 腾讯科技（深圳）有限公司 一种信息处理方法及装置、终端
GB2547242B (en) * 2016-02-11 2018-05-23 Advanced Risc Mach Ltd Graphics processing
US10268596B2 (en) * 2017-04-21 2019-04-23 Intel Corporation Memory access compression using clear code for tile pixels

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150089146A1 (en) * 2013-09-24 2015-03-26 Qualcomm Incorporated Conditional page fault control for page residency
US20160019168A1 (en) * 2014-07-18 2016-01-21 Qualcomm Incorporated On-Demand Shareability Conversion In A Heterogeneous Shared Virtual Memory
EP3671474A1 (en) * 2018-12-20 2020-06-24 Intel Corporation Restricting usage of encryption keys by untrusted software

Also Published As

Publication number Publication date
WO2023175289A1 (en) 2023-09-21
TW202403562A (zh) 2024-01-16
JP2025512715A (ja) 2025-04-22
KR20240159950A (ko) 2024-11-07
IL314979A (en) 2024-10-01
GB202203646D0 (en) 2022-04-27
US20250181515A1 (en) 2025-06-05
GB2616643A (en) 2023-09-20
EP4494012A1 (en) 2025-01-22
CN118843857A (zh) 2024-10-25

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