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DE60306952D1 - Zuordnung von virtuellen zu physischen speicheradressen in einem system mit einem sicheren bereich und einem nicht sicheren bereich - Google Patents

Zuordnung von virtuellen zu physischen speicheradressen in einem system mit einem sicheren bereich und einem nicht sicheren bereich

Info

Publication number
DE60306952D1
DE60306952D1 DE60306952T DE60306952T DE60306952D1 DE 60306952 D1 DE60306952 D1 DE 60306952D1 DE 60306952 T DE60306952 T DE 60306952T DE 60306952 T DE60306952 T DE 60306952T DE 60306952 D1 DE60306952 D1 DE 60306952D1
Authority
DE
Germany
Prior art keywords
safe area
allocation
virtual
physical memory
memory addresses
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.)
Expired - Lifetime
Application number
DE60306952T
Other languages
English (en)
Other versions
DE60306952T2 (de
Inventor
Simon Charles Watt
Bentley Dornan
Luc Orion
Nicolas Chaussade
Lionel Belnet
Eric Brochier
David Hennah Mansell
Robert Nonweiler
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
Priority claimed from GB0226906A external-priority patent/GB0226906D0/en
Priority claimed from GB0303449A external-priority patent/GB0303449D0/en
Application filed by ARM Ltd, Advanced Risc Machines Ltd filed Critical ARM Ltd
Publication of DE60306952D1 publication Critical patent/DE60306952D1/de
Application granted granted Critical
Publication of DE60306952T2 publication Critical patent/DE60306952T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • 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
    • G06F12/1027—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
    • 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
    • G06F9/46—Multiprogramming arrangements
    • G06F9/48—Program initiating; Program switching, e.g. by interrupt
    • 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
    • G06F9/46—Multiprogramming arrangements
    • G06F9/48—Program initiating; Program switching, e.g. by interrupt
    • G06F9/4806—Task transfer initiation or dispatching
    • G06F9/4812—Task transfer initiation or dispatching by interrupt, e.g. masked
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2209/00—Indexing scheme relating to G06F9/00
    • G06F2209/48—Indexing scheme relating to G06F9/48
    • G06F2209/481—Exception handling

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Mathematical Physics (AREA)
  • Storage Device Security (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
DE60306952T 2002-11-18 2003-10-27 Zuordnung von virtuellen zu physischen speicheradressen in einem system mit einem sicheren bereich und einem nicht sicheren bereich Expired - Lifetime DE60306952T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB0226906 2002-11-18
GB0226906A GB0226906D0 (en) 2002-11-18 2002-11-18 Virtual to physical memory address mapping within a system having a secure domain and a non-secure domain
GB0303449A GB0303449D0 (en) 2002-11-18 2003-02-14 Task following between multiple operating systems
GB0303449 2003-02-14
PCT/GB2003/004627 WO2004046738A2 (en) 2002-11-18 2003-10-27 Virtual to physical memory address mapping within a system having a secure domain and a non-secure domain

Publications (2)

Publication Number Publication Date
DE60306952D1 true DE60306952D1 (de) 2006-08-31
DE60306952T2 DE60306952T2 (de) 2007-02-08

Family

ID=32328071

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60306952T Expired - Lifetime DE60306952T2 (de) 2002-11-18 2003-10-27 Zuordnung von virtuellen zu physischen speicheradressen in einem system mit einem sicheren bereich und einem nicht sicheren bereich

Country Status (10)

Country Link
US (1) US7124274B2 (de)
EP (1) EP1563380B1 (de)
JP (1) JP4220476B2 (de)
KR (1) KR101099463B1 (de)
AU (1) AU2003276399A1 (de)
DE (1) DE60306952T2 (de)
GB (1) GB2409745B (de)
RU (1) RU2005115094A (de)
TW (1) TWI265707B (de)
WO (1) WO2004046738A2 (de)

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Also Published As

Publication number Publication date
GB2409745A (en) 2005-07-06
WO2004046738A2 (en) 2004-06-03
US20040148480A1 (en) 2004-07-29
TWI265707B (en) 2006-11-01
TW200412105A (en) 2004-07-01
EP1563380A2 (de) 2005-08-17
JP2006506753A (ja) 2006-02-23
KR101099463B1 (ko) 2011-12-28
DE60306952T2 (de) 2007-02-08
EP1563380B1 (de) 2006-07-19
KR20050085015A (ko) 2005-08-29
WO2004046738A3 (en) 2004-10-21
GB0505840D0 (en) 2005-04-27
AU2003276399A1 (en) 2004-06-15
RU2005115094A (ru) 2006-01-20
AU2003276399A8 (en) 2004-06-15
JP4220476B2 (ja) 2009-02-04
GB2409745B (en) 2006-01-11
US7124274B2 (en) 2006-10-17

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