WO1998055910A3 - Apparatus and method for secure device addressing - Google Patents

Apparatus and method for secure device addressing Download PDF

Info

Publication number
WO1998055910A3
WO1998055910A3 PCT/US1998/011267 US9811267W WO9855910A3 WO 1998055910 A3 WO1998055910 A3 WO 1998055910A3 US 9811267 W US9811267 W US 9811267W WO 9855910 A3 WO9855910 A3 WO 9855910A3
Authority
WO
WIPO (PCT)
Prior art keywords
computer program
memory access
address
procedure
access object
Prior art date
Application number
PCT/US1998/011267
Other languages
French (fr)
Other versions
WO1998055910A2 (en
Inventor
Thomas Saulpaugh
David E Ii Bohman
Original Assignee
Sun Microsystems Inc
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 Sun Microsystems Inc filed Critical Sun Microsystems Inc
Priority to JP11502739A priority Critical patent/JP2000517085A/en
Priority to EP98926188A priority patent/EP0934560A2/en
Publication of WO1998055910A2 publication Critical patent/WO1998055910A2/en
Publication of WO1998055910A3 publication Critical patent/WO1998055910A3/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
    • G06F9/46—Multiprogramming arrangements
    • G06F9/468—Specific access rights for resources, e.g. using capability register

Abstract

A method for securely accessing a peripheral device at an absolute address is disclosed. A computer program (200) is executed to request from an operating system a memory access object including a procedure (205) executable to address the peripheral device at the absolute address. An operating system procedure (215) is executed to provide the memory access object to the computer program if a value associated with the computer program indicates that the computer program (235) is trusted to perform absolute addressing. If the operating system procedure (225) provides the memory access object to the computer program, the computer program is executed invoke the memory access object procedure (240) to address the peripheral device at the absolute address.
PCT/US1998/011267 1997-06-05 1998-06-02 Apparatus and method for secure device addressing WO1998055910A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP11502739A JP2000517085A (en) 1997-06-05 1998-06-02 Apparatus and method for secure device addressing
EP98926188A EP0934560A2 (en) 1997-06-05 1998-06-02 Apparatus and method for secure device addressing

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/869,659 US5968136A (en) 1997-06-05 1997-06-05 Apparatus and method for secure device addressing
US08/869,659 1997-06-05

Publications (2)

Publication Number Publication Date
WO1998055910A2 WO1998055910A2 (en) 1998-12-10
WO1998055910A3 true WO1998055910A3 (en) 1999-03-25

Family

ID=25354014

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/011267 WO1998055910A2 (en) 1997-06-05 1998-06-02 Apparatus and method for secure device addressing

Country Status (4)

Country Link
US (1) US5968136A (en)
EP (1) EP0934560A2 (en)
JP (1) JP2000517085A (en)
WO (1) WO1998055910A2 (en)

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US20080126628A1 (en) * 2006-11-29 2008-05-29 Sony Ericsson Mobile Communications Ab Methods, devices and computer program products for automatically providing an alternate usb configuration of a usb compliant peripheral device for exposure to a host computer
US8200999B2 (en) * 2008-08-11 2012-06-12 International Business Machines Corporation Selective power reduction of memory hardware
TWI377468B (en) * 2009-02-05 2012-11-21 Nuvoton Technology Corp Integrated circuit and memory protection apparatus and methods thereof
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US5628023A (en) * 1993-04-19 1997-05-06 International Business Machines Corporation Virtual storage computer system having methods and apparatus for providing token-controlled access to protected pages of memory via a token-accessible view

Also Published As

Publication number Publication date
EP0934560A2 (en) 1999-08-11
US5968136A (en) 1999-10-19
WO1998055910A2 (en) 1998-12-10
JP2000517085A (en) 2000-12-19

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