GB0812662D0 - Data processing apparatus, for example using modes - Google Patents

Data processing apparatus, for example using modes

Info

Publication number
GB0812662D0
GB0812662D0 GB0812662A GB0812662A GB0812662D0 GB 0812662 D0 GB0812662 D0 GB 0812662D0 GB 0812662 A GB0812662 A GB 0812662A GB 0812662 A GB0812662 A GB 0812662A GB 0812662 D0 GB0812662 D0 GB 0812662D0
Authority
GB
United Kingdom
Prior art keywords
modes
processing apparatus
data processing
data
processing
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
GB0812662A
Other versions
GB2461848B (en
GB2461848A (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.)
Cambridge Consultants Ltd
Original Assignee
Cambridge Consultants 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 Cambridge Consultants Ltd filed Critical Cambridge Consultants Ltd
Priority to GB0812662A priority Critical patent/GB2461848B/en
Publication of GB0812662D0 publication Critical patent/GB0812662D0/en
Priority to PCT/GB2009/001313 priority patent/WO2010004242A2/en
Priority to US13/003,432 priority patent/US9645949B2/en
Priority to PCT/GB2009/001309 priority patent/WO2010004240A1/en
Priority to PCT/GB2009/001314 priority patent/WO2010004243A2/en
Priority to PCT/GB2009/001318 priority patent/WO2010004245A1/en
Publication of GB2461848A publication Critical patent/GB2461848A/en
Application granted granted Critical
Publication of GB2461848B publication Critical patent/GB2461848B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • G06F9/30101—Special purpose registers
    • 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
    • G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
    • 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
    • G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
    • G06F9/3016—Decoding the operand specifier, e.g. specifier format
    • G06F9/30167—Decoding the operand specifier, e.g. specifier format of immediate specifier, e.g. constants
    • 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
    • G06F9/3861—Recovery, e.g. branch miss-prediction, exception handling
    • 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
    • G06F9/46—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
GB0812662A 2008-07-10 2008-07-10 Data processing apparatus having a number of operating modes Active GB2461848B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB0812662A GB2461848B (en) 2008-07-10 2008-07-10 Data processing apparatus having a number of operating modes
PCT/GB2009/001314 WO2010004243A2 (en) 2008-07-10 2009-05-27 Interrupt processing
US13/003,432 US9645949B2 (en) 2008-07-10 2009-05-27 Data processing apparatus using privileged and non-privileged modes with multiple stacks
PCT/GB2009/001309 WO2010004240A1 (en) 2008-07-10 2009-05-27 Data processing apparatus, for example using modes
PCT/GB2009/001313 WO2010004242A2 (en) 2008-07-10 2009-05-27 Data processing apparatus, for example using vector pointers
PCT/GB2009/001318 WO2010004245A1 (en) 2008-07-10 2009-05-27 Processor with push instruction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0812662A GB2461848B (en) 2008-07-10 2008-07-10 Data processing apparatus having a number of operating modes

Publications (3)

Publication Number Publication Date
GB0812662D0 true GB0812662D0 (en) 2008-08-20
GB2461848A GB2461848A (en) 2010-01-20
GB2461848B GB2461848B (en) 2013-01-30

Family

ID=39722085

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0812662A Active GB2461848B (en) 2008-07-10 2008-07-10 Data processing apparatus having a number of operating modes

Country Status (1)

Country Link
GB (1) GB2461848B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110196736A (en) * 2018-02-26 2019-09-03 爱思开海力士有限公司 Electronic equipment and its operating method

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7948429B2 (en) 2008-05-05 2011-05-24 Raytheon Company Methods and apparatus for detection/classification of radar targets including birds and other hazards
CA2759012C (en) 2009-04-17 2014-10-21 Raytheon Company Methods and apparatus for integration of distributed sensors and airport surveillance radar to mitigate blind spots
GB2478733B (en) 2010-03-15 2013-08-14 Advanced Risc Mach Ltd Apparatus and method for handling exception events
GB2500844B (en) * 2010-03-15 2014-03-12 Advanced Risc Mach Ltd Apparatus and method for handling exception events

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5557766A (en) * 1991-10-21 1996-09-17 Kabushiki Kaisha Toshiba High-speed processor for handling multiple interrupts utilizing an exclusive-use bus and current and previous bank pointers to specify a return bank
JPH0969047A (en) * 1995-09-01 1997-03-11 Sony Corp Risc type microprocessor and information processor
US6088783A (en) * 1996-02-16 2000-07-11 Morton; Steven G DPS having a plurality of like processors controlled in parallel by an instruction word, and a control processor also controlled by the instruction word
EP0992897B1 (en) * 1998-10-06 2006-07-26 Texas Instruments Inc. Stack pointer management
JP2000250762A (en) * 1999-02-26 2000-09-14 Matsushita Electric Ind Co Ltd Microcomputer
US7797681B2 (en) * 2006-05-11 2010-09-14 Arm Limited Stack memory selection upon exception in a data processing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110196736A (en) * 2018-02-26 2019-09-03 爱思开海力士有限公司 Electronic equipment and its operating method

Also Published As

Publication number Publication date
GB2461848B (en) 2013-01-30
GB2461848A (en) 2010-01-20

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