CN118843857A - 用于存储器地址空间的页面的“读值只有x”性质 - Google Patents

用于存储器地址空间的页面的“读值只有x”性质 Download PDF

Info

Publication number
CN118843857A
CN118843857A CN202280093428.8A CN202280093428A CN118843857A CN 118843857 A CN118843857 A CN 118843857A CN 202280093428 A CN202280093428 A CN 202280093428A CN 118843857 A CN118843857 A CN 118843857A
Authority
CN
China
Prior art keywords
read
value
memory
property
address
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.)
Pending
Application number
CN202280093428.8A
Other languages
English (en)
Chinese (zh)
Inventor
格雷姆·彼得·巴尔内斯
西蒙·约翰·克拉斯克
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
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 filed Critical ARM Ltd
Publication of CN118843857A publication Critical patent/CN118843857A/zh
Pending legal-status Critical Current

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)
CN202280093428.8A 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 Pending CN118843857A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2203646.1 2022-03-16
GB2203646.1A GB2616643B (en) 2022-03-16 2022-03-16 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

Publications (1)

Publication Number Publication Date
CN118843857A true CN118843857A (zh) 2024-10-25

Family

ID=81254766

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280093428.8A Pending 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

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

Family Cites Families (7)

* 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
US9489313B2 (en) * 2013-09-24 2016-11-08 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
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
US11139967B2 (en) * 2018-12-20 2021-10-05 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
GB2616643B (en) 2024-07-10
US20250181515A1 (en) 2025-06-05
GB2616643A (en) 2023-09-20
EP4494012A1 (en) 2025-01-22

Similar Documents

Publication Publication Date Title
CN112639750B (zh) 用于控制存储器存取的装置及方法
CN118843857A (zh) 用于存储器地址空间的页面的“读值只有x”性质
KR102847990B1 (ko) 메모리 액세스시의 보호 태그 검사 제어
US12608323B2 (en) Technique for constraining access to memory using capabilities
JP7349437B2 (ja) メモリ・アクセスにおける保護タグ・チェックの制御
TW202439129A (zh) 標籤保護指令
CN111527480A (zh) 数据处理装置中的地址转换
US20240193101A1 (en) Technique for constraining access to memory using capabilities
TW202538530A (zh) 標籤定位位址轉譯操作
TW202538531A (zh) 標籤定位位址判定
TW202340955A (zh) 使用能力約束記憶體存取之技術
TW202540862A (zh) 標籤轉譯模式的選擇
TW202538529A (zh) 標籤資料存取檢查

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination