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GB2284492B - Improvements to computer control units - Google Patents

Improvements to computer control units

Info

Publication number
GB2284492B
GB2284492B GB9325002A GB9325002A GB2284492B GB 2284492 B GB2284492 B GB 2284492B GB 9325002 A GB9325002 A GB 9325002A GB 9325002 A GB9325002 A GB 9325002A GB 2284492 B GB2284492 B GB 2284492B
Authority
GB
United Kingdom
Prior art keywords
control units
computer control
computer
units
control
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 - Fee Related
Application number
GB9325002A
Other versions
GB2284492A (en
GB9325002D0 (en
Inventor
Graeme Roy Smith
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9325002A priority Critical patent/GB2284492B/en
Publication of GB9325002D0 publication Critical patent/GB9325002D0/en
Publication of GB2284492A publication Critical patent/GB2284492A/en
Application granted granted Critical
Publication of GB2284492B publication Critical patent/GB2284492B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3802—Instruction prefetching
    • 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/3017—Runtime instruction translation, e.g. macros
    • G06F9/30178—Runtime instruction translation, e.g. macros of compressed or encrypted instructions

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Executing Machine-Instructions (AREA)
  • Advance Control (AREA)
GB9325002A 1993-12-06 1993-12-06 Improvements to computer control units Expired - Fee Related GB2284492B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9325002A GB2284492B (en) 1993-12-06 1993-12-06 Improvements to computer control units

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9325002A GB2284492B (en) 1993-12-06 1993-12-06 Improvements to computer control units

Publications (3)

Publication Number Publication Date
GB9325002D0 GB9325002D0 (en) 1994-01-26
GB2284492A GB2284492A (en) 1995-06-07
GB2284492B true GB2284492B (en) 1998-05-13

Family

ID=10746211

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9325002A Expired - Fee Related GB2284492B (en) 1993-12-06 1993-12-06 Improvements to computer control units

Country Status (1)

Country Link
GB (1) GB2284492B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2289353B (en) * 1994-05-03 1997-08-27 Advanced Risc Mach Ltd Data processing with multiple instruction sets
GB2307072B (en) 1994-06-10 1998-05-13 Advanced Risc Mach Ltd Interoperability with multiple instruction sets
US5765157A (en) * 1996-06-05 1998-06-09 Sun Microsystems, Inc. Computer system and method for executing threads of execution with reduced run-time memory space requirements
US5859982A (en) * 1996-06-05 1999-01-12 Sun Microsystems, Inc. Computer system and method for executing methods of downloaded programs with reduced run-time memory space requirements
US5794049A (en) * 1996-06-05 1998-08-11 Sun Microsystems, Inc. Computer system and method for executing architecture specific code with reduced run-time memory space requirements
AU3480897A (en) * 1996-06-10 1998-01-07 Lsi Logic Corporation An apparatus and method for detecting and decompressing instructions from a variable-length compressed instruction set
GB2349252B (en) * 1996-06-10 2001-02-14 Lsi Logic Corp An apparatus and method for detecting and decompressing instructions from a variable-length compressed instruction set
GB2354354B (en) * 1996-06-10 2001-05-02 Lsi Logic Corp An apparatus and method for detecting and decompressing instructions form a variable-length compressed instruction set
US5905893A (en) * 1996-06-10 1999-05-18 Lsi Logic Corporation Microprocessor adapted for executing both a non-compressed fixed length instruction set and a compressed variable length instruction set
US5745058A (en) * 1996-10-21 1998-04-28 International Business Machines Corporation Method and system for compressing microcode to be executed within a data processing system
US5940871A (en) * 1996-10-28 1999-08-17 International Business Machines Corporation Computer system and method for selectively decompressing operating system ROM image code using a page fault
GB2325535A (en) 1997-05-23 1998-11-25 Aspex Microsystems Ltd Data processor controller with accelerated instruction generation
GB2362733B (en) 2000-05-25 2002-02-27 Siroyan Ltd Processors having compressed instructions.
US7149878B1 (en) 2000-10-30 2006-12-12 Mips Technologies, Inc. Changing instruction set architecture mode by comparison of current instruction execution address with boundary address register values
US7107439B2 (en) 2001-08-10 2006-09-12 Mips Technologies, Inc. System and method of controlling software decompression through exceptions
US7707389B2 (en) 2003-10-31 2010-04-27 Mips Technologies, Inc. Multi-ISA instruction fetch unit for a processor, and applications thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1529538A (en) * 1976-06-30 1978-10-25 Ibm Data expansion apparatus
US5179680A (en) * 1987-04-20 1993-01-12 Digital Equipment Corporation Instruction storage and cache miss recovery in a high speed multiprocessing parallel processing apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1529538A (en) * 1976-06-30 1978-10-25 Ibm Data expansion apparatus
US5179680A (en) * 1987-04-20 1993-01-12 Digital Equipment Corporation Instruction storage and cache miss recovery in a high speed multiprocessing parallel processing apparatus

Also Published As

Publication number Publication date
GB2284492A (en) 1995-06-07
GB9325002D0 (en) 1994-01-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19981206