GB0008472D0 - Method and apparatus for accessing and executing the contents of physical memory from a virtual memory subsystem - Google Patents

Method and apparatus for accessing and executing the contents of physical memory from a virtual memory subsystem

Info

Publication number
GB0008472D0
GB0008472D0 GBGB0008472.3A GB0008472A GB0008472D0 GB 0008472 D0 GB0008472 D0 GB 0008472D0 GB 0008472 A GB0008472 A GB 0008472A GB 0008472 D0 GB0008472 D0 GB 0008472D0
Authority
GB
United Kingdom
Prior art keywords
accessing
executing
contents
physical memory
virtual 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.)
Granted
Application number
GBGB0008472.3A
Other versions
GB2345996A (en
GB2345996B (en
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.)
Phoenix Technologies Ltd
Original Assignee
Phoenix Technologies 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 Phoenix Technologies Ltd filed Critical Phoenix Technologies Ltd
Publication of GB0008472D0 publication Critical patent/GB0008472D0/en
Publication of GB2345996A publication Critical patent/GB2345996A/en
Application granted granted Critical
Publication of GB2345996B publication Critical patent/GB2345996B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F21/57—Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F9/445—Program loading or initiating
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F9/448—Execution paradigms, e.g. implementations of programming paradigms
    • G06F9/4482—Procedural
    • G06F9/4484—Executing subprograms

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Stored Programmes (AREA)
GB0008472A 1997-10-09 1998-10-09 Method and apparatus for accessing and executing the contents of physical memory from a virtual memory subsystem Expired - Lifetime GB2345996B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US94799097A 1997-10-09 1997-10-09
PCT/US1998/021228 WO1999019796A1 (en) 1997-10-09 1998-10-09 Method and apparatus for accessing and executing the contents of physical memory from a virtual memory subsystem

Publications (3)

Publication Number Publication Date
GB0008472D0 true GB0008472D0 (en) 2000-05-24
GB2345996A GB2345996A (en) 2000-07-26
GB2345996B GB2345996B (en) 2003-04-09

Family

ID=25487093

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0008472A Expired - Lifetime GB2345996B (en) 1997-10-09 1998-10-09 Method and apparatus for accessing and executing the contents of physical memory from a virtual memory subsystem

Country Status (5)

Country Link
JP (1) JP2001520416A (en)
AU (1) AU9792998A (en)
GB (1) GB2345996B (en)
TW (1) TW425529B (en)
WO (1) WO1999019796A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6486883B1 (en) * 1999-06-18 2002-11-26 Phoenix Technologies, Ltd. Apparatus and method for updating images stored in non-volatile memory
US10885211B2 (en) 2017-09-12 2021-01-05 Sophos Limited Securing interprocess communications

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5212633A (en) * 1989-08-18 1993-05-18 Sharedata System for transferring resident programs to virtual area and recalling for instant excution in memory limited DOS system using program control tables
JPH0799501B2 (en) * 1991-11-18 1995-10-25 インターナショナル・ビジネス・マシーンズ・コーポレイション Simultaneous execution device for multiple applications

Also Published As

Publication number Publication date
JP2001520416A (en) 2001-10-30
AU9792998A (en) 1999-05-03
WO1999019796A1 (en) 1999-04-22
GB2345996A (en) 2000-07-26
TW425529B (en) 2001-03-11
GB2345996B (en) 2003-04-09

Similar Documents

Publication Publication Date Title
AU2294295A (en) Method for allocation of address space in a virtual memory system
EP1076863A4 (en) A system and method for accessing data stores as objects
GB2348994B (en) Apparatus and methods for operating a computer storage system
HUT77153A (en) Self-configuring computer system
GB9721141D0 (en) Access control for groups of related data atems
HUP0103782A3 (en) Method and apparatus for accessing computer data
EP0760509A4 (en) Disk apparatus and disk access method
EP0491480A3 (en) Computer addressing method and apparatus
GB2285156B (en) Memory addressing method and memory device
PL325231A1 (en) Apparatus for performing multiplying/adding operations of packed data
GB2331386B (en) Method for simulating a computer storage device
GB2305339B (en) Apparatus and a method for accessing data
EP0738954A3 (en) Data transfer control method and apparatus for external storage subsystem
EP0820014A4 (en) Memory access method and data processor
SG42440A1 (en) Non-volatile register and method for accessing data therein
GB2306235B (en) Method for accessing memory device and memory accessing device
GB2345996B (en) Method and apparatus for accessing and executing the contents of physical memory from a virtual memory subsystem
SG70629A1 (en) A method for bursting processor data to or from an i/o device
GB9925072D0 (en) Computer system and method for accessing a computer-readable medium
GB9521636D0 (en) Apparatus and method for preserving computer held data following power-off
EP0772864A4 (en) Computer data entry apparatus
EP0469832A3 (en) Method and apparatus for memory access control
GB9720236D0 (en) Adaptive-selection method for memory access priority control in mpeg processor
GB9711001D0 (en) Virtual environment data browser
GB9412435D0 (en) Computer instruction addressing