AU2278601A - Dual-mode processor - Google Patents

Dual-mode processor

Info

Publication number
AU2278601A
AU2278601A AU22786/01A AU2278601A AU2278601A AU 2278601 A AU2278601 A AU 2278601A AU 22786/01 A AU22786/01 A AU 22786/01A AU 2278601 A AU2278601 A AU 2278601A AU 2278601 A AU2278601 A AU 2278601A
Authority
AU
Australia
Prior art keywords
dual
mode processor
processor
mode
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.)
Abandoned
Application number
AU22786/01A
Inventor
Brant Candelore
Eric J. Sprunk
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.)
Arris Technology Inc
Original Assignee
Arris Technology Inc
General Instrument Corp
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 Arris Technology Inc, General Instrument Corp filed Critical Arris Technology Inc
Publication of AU2278601A publication Critical patent/AU2278601A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • 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
    • G06F21/70—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; CALCULATING OR 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
    • G06F12/1433—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 module or a part of a module
    • 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
    • G06F21/70—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
    • 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
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
    • G06F21/79—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in semiconductor storage media, e.g. directly-addressable memories
    • 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30098—Register arrangements
    • G06F9/3012—Organisation of register space, e.g. banked or distributed register file
    • 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30098—Register arrangements
    • G06F9/3012—Organisation of register space, e.g. banked or distributed register file
    • G06F9/30123—Organisation of register space, e.g. banked or distributed register file according to context, e.g. thread buffers
    • 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30181—Instruction operation extension or modification
    • G06F9/30189—Instruction operation extension or modification according to execution mode, e.g. mode flag
    • 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline, look ahead
    • G06F9/3836—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution
    • G06F9/3851—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution from multiple instruction streams, e.g. multistreaming
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2105—Dual mode as a secondary aspect
AU22786/01A 1999-12-23 2000-12-19 Dual-mode processor Abandoned AU2278601A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US47175499A 1999-12-23 1999-12-23
US09471754 1999-12-23
PCT/US2000/034458 WO2001046800A2 (en) 1999-12-23 2000-12-19 Dual-mode processor

Publications (1)

Publication Number Publication Date
AU2278601A true AU2278601A (en) 2001-07-03

Family

ID=23872866

Family Applications (1)

Application Number Title Priority Date Filing Date
AU22786/01A Abandoned AU2278601A (en) 1999-12-23 2000-12-19 Dual-mode processor

Country Status (9)

Country Link
EP (1) EP1240583A2 (en)
JP (1) JP2003518287A (en)
KR (1) KR20020091061A (en)
CN (1) CN1425157A (en)
AU (1) AU2278601A (en)
CA (1) CA2395645A1 (en)
MX (1) MXPA02006214A (en)
TW (1) TW541466B (en)
WO (1) WO2001046800A2 (en)

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EP1331539B1 (en) * 2002-01-16 2016-09-28 Texas Instruments France Secure mode for processors supporting MMU and interrupts
WO2004046738A2 (en) * 2002-11-18 2004-06-03 Arm Limited Virtual to physical memory address mapping within a system having a secure domain and a non-secure domain
GB0226906D0 (en) * 2002-11-18 2002-12-24 Advanced Risc Mach Ltd Virtual to physical memory address mapping within a system having a secure domain and a non-secure domain
US7370210B2 (en) 2002-11-18 2008-05-06 Arm Limited Apparatus and method for managing processor configuration data
JP4423206B2 (en) * 2002-11-18 2010-03-03 エイアールエム リミテッド Processor that switches between safe mode and non-safe mode
GB0226874D0 (en) 2002-11-18 2002-12-24 Advanced Risc Mach Ltd Switching between secure and non-secure processing modes
GB2396712B (en) 2002-11-18 2005-12-07 Advanced Risc Mach Ltd Handling multiple interrupts in a data processing system utilising multiple operating systems
GB2396451B (en) 2002-11-18 2005-12-07 Advanced Risc Mach Ltd Delivering data processing requests to a suspended operating system
US7539853B2 (en) 2002-11-18 2009-05-26 Arm Limited Handling interrupts in data processing of data in which only a portion of a function has been processed
WO2004046925A1 (en) * 2002-11-18 2004-06-03 Arm Limited Security mode switching via an exception vector
US9158574B2 (en) 2002-11-18 2015-10-13 Arm Limited Handling interrupts in data processing
US7322042B2 (en) 2003-02-07 2008-01-22 Broadon Communications Corp. Secure and backward-compatible processor and secure software execution thereon
US20100017627A1 (en) 2003-02-07 2010-01-21 Broadon Communications Corp. Ensuring authenticity in a closed content distribution system
US8650470B2 (en) 2003-03-20 2014-02-11 Arm Limited Error recovery within integrated circuit
WO2004084070A1 (en) 2003-03-20 2004-09-30 Arm Limited Systematic and random error detection and recovery within processing stages of an integrated circuit
US8185812B2 (en) 2003-03-20 2012-05-22 Arm Limited Single event upset error detection within an integrated circuit
WO2004084233A1 (en) 2003-03-20 2004-09-30 Arm Limited Momory system having fast and slow data reading mechanisms
US7278080B2 (en) 2003-03-20 2007-10-02 Arm Limited Error detection and recovery within processing stages of an integrated circuit
CN1886712B (en) * 2003-11-28 2010-09-08 松下电器产业株式会社 Data processor
KR100677327B1 (en) * 2004-06-16 2007-02-02 엘지전자 주식회사 Mobile communication terminal with dual operating system
FR2872933B1 (en) * 2004-07-06 2008-01-25 Trusted Logic Sa TIME SHARING METHOD OF A PROCESSOR
KR100710263B1 (en) * 2005-01-27 2007-04-20 엘지전자 주식회사 Method of Multi-Tasking Using Multi-Modem Mobile Phone
FR2884628A1 (en) * 2005-04-18 2006-10-20 St Microelectronics Sa Interrupt service routine processing method for e.g. set-top box, involves starting counter while processor is operated in non-secured mode and returning processor to secured mode to pursue process execution when counter attains end value
WO2006120367A1 (en) * 2005-05-11 2006-11-16 Arm Limited A data processing apparatus and method employing multiple register sets
CN101064886B (en) * 2006-04-28 2012-12-12 朗迅科技公司 Wireless equipment and method for transmitting data through wireless equipment
KR100709385B1 (en) * 2006-07-19 2007-04-24 주식회사 케이 썸 씨앤 에프 Computer system
US7882318B2 (en) * 2006-09-29 2011-02-01 Intel Corporation Tamper protection of software agents operating in a vitual technology environment methods and apparatuses
WO2009031573A1 (en) * 2007-09-07 2009-03-12 Nec Corporation Information processing apparatus, processor status transition method, processor status transition control apparatus, and processor
US8332660B2 (en) * 2008-01-02 2012-12-11 Arm Limited Providing secure services to a non-secure application
US8615799B2 (en) * 2008-05-24 2013-12-24 Via Technologies, Inc. Microprocessor having secure non-volatile storage access
US8756391B2 (en) * 2009-05-22 2014-06-17 Raytheon Company Multi-level security computing system
CN101707664B (en) * 2009-10-30 2013-03-06 深圳创维数字技术股份有限公司 Method for safe operation of set top box
CN103631785B (en) * 2012-08-21 2017-12-29 联想(北京)有限公司 A kind of electronic equipment and the mode switching method applied to electronic equipment
CN103559460B (en) * 2013-11-06 2016-06-08 深圳国微技术有限公司 A kind of condition receiving card CAM and data processing method
CN104268027B (en) * 2014-09-22 2017-09-29 北京经纬恒润科技有限公司 The fault handling method and device of embedded real-time operating system
GB2543096A (en) 2015-10-09 2017-04-12 Secure Thingz Ltd Data Processing Device
CN105701420B (en) * 2016-02-23 2019-05-14 深圳市金立通信设备有限公司 A kind of management method and terminal of user data
JP7280600B2 (en) * 2019-04-23 2023-05-24 株式会社エルイーテック processor
US11569994B2 (en) 2021-06-24 2023-01-31 Intel Corporation Accelerating multiple post-quantum cryptograhy key encapsulation mechanisms

Family Cites Families (1)

* Cited by examiner, † Cited by third party
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DE69532434T2 (en) * 1994-10-27 2004-11-11 Mitsubishi Corp. Device for file copyright management system

Also Published As

Publication number Publication date
WO2001046800A3 (en) 2002-07-25
TW541466B (en) 2003-07-11
WO2001046800A2 (en) 2001-06-28
EP1240583A2 (en) 2002-09-18
CN1425157A (en) 2003-06-18
CA2395645A1 (en) 2001-06-28
KR20020091061A (en) 2002-12-05
MXPA02006214A (en) 2003-01-28
JP2003518287A (en) 2003-06-03

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase