CN118339542A - 两阶段地址转换 - Google Patents

两阶段地址转换 Download PDF

Info

Publication number
CN118339542A
CN118339542A CN202280078994.1A CN202280078994A CN118339542A CN 118339542 A CN118339542 A CN 118339542A CN 202280078994 A CN202280078994 A CN 202280078994A CN 118339542 A CN118339542 A CN 118339542A
Authority
CN
China
Prior art keywords
stage
translation table
entry
address
memory
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
CN202280078994.1A
Other languages
English (en)
Chinese (zh)
Inventor
理查德·罗伊·格里森思怀特
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 CN118339542A publication Critical patent/CN118339542A/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
    • G06F12/1009—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
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G06F12/109—Address translation for multiple virtual address spaces, e.g. segmentation
    • 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]
    • G06F12/1036—Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB] for multiple virtual address spaces, e.g. segmentation
    • 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
    • G06F12/1441—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 range
    • 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
    • G06F12/145—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 virtual, e.g. for virtual blocks or segments before a translation mechanism
    • 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
    • G06F12/1483—Protection against unauthorised use of memory or access to memory by checking the subject access rights using an access-table, e.g. matrix or list
    • 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
    • G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
    • G06F21/52—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity ; Preventing unwanted data erasure; Buffer overflow
    • G06F21/53—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity ; Preventing unwanted data erasure; Buffer overflow by executing in a restricted environment, e.g. sandbox or secure virtual machine
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G06F9/45558—Hypervisor-specific management and integration aspects
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G06F9/45558—Hypervisor-specific management and integration aspects
    • G06F2009/45583—Memory management, e.g. access or allocation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/10—Providing a specific technical effect
    • G06F2212/1016—Performance improvement
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/10—Providing a specific technical effect
    • G06F2212/1052—Security improvement
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/15—Use in a specific computing environment
    • G06F2212/151—Emulated environment, e.g. virtual machine
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/65—Details of virtual memory and virtual address translation
    • G06F2212/651—Multi-level translation tables
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/65—Details of virtual memory and virtual address translation
    • G06F2212/657—Virtual address space management

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)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Storage Device Security (AREA)
CN202280078994.1A 2021-11-30 2022-04-28 两阶段地址转换 Pending CN118339542A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2117274.7 2021-11-30
GB2117274.7A GB2613350B (en) 2021-11-30 2021-11-30 Two-stage address translation
PCT/GB2022/051073 WO2023099860A1 (en) 2021-11-30 2022-04-28 Two-stage address translation

Publications (1)

Publication Number Publication Date
CN118339542A true CN118339542A (zh) 2024-07-12

Family

ID=79270214

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280078994.1A Pending CN118339542A (zh) 2021-11-30 2022-04-28 两阶段地址转换

Country Status (8)

Country Link
US (1) US12461861B2 (enExample)
EP (1) EP4441617B1 (enExample)
JP (1) JP7858053B2 (enExample)
KR (1) KR20240109286A (enExample)
CN (1) CN118339542A (enExample)
GB (1) GB2613350B (enExample)
IL (1) IL312735A (enExample)
WO (1) WO2023099860A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119127546A (zh) * 2024-08-26 2024-12-13 北京微核芯科技有限公司 处理器页表修改引起缺页异常的验证方法及装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2625550A (en) * 2022-12-20 2024-06-26 Advanced Risc Mach Ltd Apparatus, method and computer program, for performing translation table entry load/store operation
GB2637714A (en) * 2024-01-31 2025-08-06 Advanced Risc Mach Ltd Attribute information
GB2637715B (en) * 2024-01-31 2026-04-01 Advanced Risc Mach Ltd Attribute information
CN118227521B (zh) * 2024-05-23 2024-07-30 摩尔线程智能科技(北京)有限责任公司 一种页表生成方法、验证方法及装置
KR20260024865A (ko) 2024-08-14 2026-02-23 주식회사 엘지에너지솔루션 전지셀 온도 측정 장치 및 이를 이용한 전지셀 온도 측정 방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7814287B2 (en) * 2005-07-15 2010-10-12 Xensource, Inc. Using writeable page tables for memory address translation in a hypervisor environment
US8661181B2 (en) * 2007-06-28 2014-02-25 Memory Technologies Llc Memory protection unit in a virtual processing environment
GB2514107B (en) * 2013-05-13 2020-07-29 Advanced Risc Mach Ltd Page table data management
JP6162652B2 (ja) * 2014-06-20 2017-07-12 株式会社東芝 メモリ管理装置、プログラム、及び方法
GB2543306B (en) * 2015-10-14 2019-05-01 Advanced Risc Mach Ltd Exception handling
US10019583B2 (en) * 2016-04-01 2018-07-10 Samsung Electronics Co., Ltd. Method and apparatus for performing protected walk-based shadow paging using multiple stages of page tables
US11526584B2 (en) * 2019-10-14 2022-12-13 International Business Machines Corporation Apparatus, systems, and methods for assigning access permission to social media

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119127546A (zh) * 2024-08-26 2024-12-13 北京微核芯科技有限公司 处理器页表修改引起缺页异常的验证方法及装置

Also Published As

Publication number Publication date
US12461861B2 (en) 2025-11-04
EP4441617B1 (en) 2025-08-06
JP2024545406A (ja) 2024-12-06
IL312735A (en) 2024-07-01
JP7858053B2 (ja) 2026-05-13
GB2613350A (en) 2023-06-07
WO2023099860A1 (en) 2023-06-08
KR20240109286A (ko) 2024-07-10
EP4441617C0 (en) 2025-08-06
US20250021487A1 (en) 2025-01-16
GB202117274D0 (en) 2022-01-12
GB2613350B (en) 2024-02-07
EP4441617A1 (en) 2024-10-09

Similar Documents

Publication Publication Date Title
JP7858053B2 (ja) ２ステージアドレス変換
KR101253394B1 (ko) 컴퓨팅 환경의 다중 페이징가능 게스트에 의한 스토리지 사용의 관리
EP4515405B1 (en) Exception return state lock parameter
JP7719863B2 (ja) ケイパビリティを使用してメモリへのアクセスを制約するための技法
JP2023038361A (ja) 命令セット内の変更を制御する装置及び方法
CN117222990A (zh) 用于使用能力约束对存储器的访问的技术
JP2025538937A (ja) 命令フェッチアドレスに基づく領域識別子
JP7813800B2 (ja) キーケイパビリティストレージ
TW202318210A (zh) 用於處理密封能力之技術
TW202435061A (zh) 位址相依檢查
EP4515404B1 (en) Memory management

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