SE8605235L - FLEXIBLE HARDWARE CORRECTION DEVICE - Google Patents

FLEXIBLE HARDWARE CORRECTION DEVICE

Info

Publication number
SE8605235L
SE8605235L SE8605235A SE8605235A SE8605235L SE 8605235 L SE8605235 L SE 8605235L SE 8605235 A SE8605235 A SE 8605235A SE 8605235 A SE8605235 A SE 8605235A SE 8605235 L SE8605235 L SE 8605235L
Authority
SE
Sweden
Prior art keywords
correction device
flexible hardware
hardware correction
firmware program
correction instruction
Prior art date
Application number
SE8605235A
Other languages
Swedish (sv)
Other versions
SE8605235D0 (en
Inventor
D S Daudelin
Original Assignee
American Telephone & Telegraph
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 American Telephone & Telegraph filed Critical American Telephone & Telegraph
Publication of SE8605235D0 publication Critical patent/SE8605235D0/en
Publication of SE8605235L publication Critical patent/SE8605235L/en

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
    • G06F9/32—Address formation of the next instruction, e.g. by incrementing the instruction counter
    • G06F9/322—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address
    • G06F9/328—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address for runtime instruction patching
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates
    • G06F8/66—Updates of program code stored in read-only memory [ROM]

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 Security & Cryptography (AREA)
  • Stored Programmes (AREA)
  • Image Processing (AREA)
  • Debugging And Monitoring (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • For Increasing The Reliability Of Semiconductor Memories (AREA)

Abstract

Modifications to an existing firmware program (201) are carried out by including at least one correction instruction ("hook"; 202, 203) in the firmware program, and a general function program (210), to which the correction instruction points, and which is able to cause a predefined modification in the operating environment of the existing firmware program. <IMAGE>
SE8605235A 1985-12-31 1986-12-05 FLEXIBLE HARDWARE CORRECTION DEVICE SE8605235L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81515285A 1985-12-31 1985-12-31

Publications (2)

Publication Number Publication Date
SE8605235D0 SE8605235D0 (en) 1986-12-05
SE8605235L true SE8605235L (en) 1987-07-01

Family

ID=25217020

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8605235A SE8605235L (en) 1985-12-31 1986-12-05 FLEXIBLE HARDWARE CORRECTION DEVICE

Country Status (3)

Country Link
JP (1) JPS62163142A (en)
DE (1) DE3643560A1 (en)
SE (1) SE8605235L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0283626A (en) * 1988-09-20 1990-03-23 Canon Inc Electronic equipment
DE69129480T2 (en) * 1990-08-23 1998-10-01 Fujitsu Ltd Arrangement for modifying the firmware, whereby older versions can be reloaded.
US6915167B2 (en) * 2001-01-05 2005-07-05 Medtronic, Inc. Method and apparatus for hardware/firmware trap

Also Published As

Publication number Publication date
JPS62163142A (en) 1987-07-18
DE3643560A1 (en) 1987-07-02
SE8605235D0 (en) 1986-12-05

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