SG5792G - Computer system having cpu mode independant addressing - Google Patents

Computer system having cpu mode independant addressing

Info

Publication number
SG5792G
SG5792G SG57/92A SG5792A SG5792G SG 5792 G SG5792 G SG 5792G SG 57/92 A SG57/92 A SG 57/92A SG 5792 A SG5792 A SG 5792A SG 5792 G SG5792 G SG 5792G
Authority
SG
Singapore
Prior art keywords
pointers
mode
computer system
real
common data
Prior art date
Application number
SG57/92A
Other languages
English (en)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of SG5792G publication Critical patent/SG5792G/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/0292—User address space allocation, e.g. contiguous or non contiguous base addressing using tables or multilevel address translation means
    • 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
    • G06F12/145—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 virtual, e.g. for virtual blocks or segments before a translation mechanism

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Stored Programmes (AREA)
  • Hardware Redundancy (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Executing Machine-Instructions (AREA)
  • Storage Device Security (AREA)
  • Memory System (AREA)
  • Information Transfer Systems (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Multi Processors (AREA)
SG57/92A 1987-03-27 1992-01-22 Computer system having cpu mode independant addressing SG5792G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/030,789 US4928237A (en) 1987-03-27 1987-03-27 Computer system having mode independent addressing

Publications (1)

Publication Number Publication Date
SG5792G true SG5792G (en) 1992-03-20

Family

ID=21856049

Family Applications (1)

Application Number Title Priority Date Filing Date
SG57/92A SG5792G (en) 1987-03-27 1992-01-22 Computer system having cpu mode independant addressing

Country Status (15)

Country Link
US (2) US4928237A (nl)
EP (1) EP0288606B1 (nl)
JP (1) JPH0731628B2 (nl)
AT (1) ATE91812T1 (nl)
BE (1) BE1001064A3 (nl)
BR (1) BR8801388A (nl)
CA (1) CA1293821C (nl)
DE (2) DE3786660T2 (nl)
ES (1) ES2042531T3 (nl)
FR (1) FR2613093B1 (nl)
GB (1) GB2202657B (nl)
HK (1) HK33992A (nl)
IT (1) IT1217358B (nl)
NL (1) NL185634C (nl)
SG (1) SG5792G (nl)

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DE69230963T2 (de) * 1991-09-23 2000-12-07 Intel Corp Rechnersystem mit Software-Unterbrechungsbefehlen, das selektiv in einem virtuellen Modus arbeitet
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US5537597A (en) * 1993-09-27 1996-07-16 Intel Corporation Method and apparatus for supporting real mode card services clients with a protected mode card services implementation
US5481684A (en) * 1994-01-11 1996-01-02 Exponential Technology, Inc. Emulating operating system calls in an alternate instruction set using a modified code segment descriptor
US5604887A (en) * 1994-01-21 1997-02-18 Microsoft Corporation Method and system using dedicated location to share information between real and protected mode device drivers
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US5625800A (en) * 1994-06-30 1997-04-29 Adaptec, Inc. SCB array external to a host adapter integrated circuit
US5564023A (en) * 1994-06-30 1996-10-08 Adaptec, Inc. Method for accessing a sequencer control block by a host adapter integrated circuit
US5864698A (en) * 1994-08-24 1999-01-26 Packard Bell Nec Disk based bios
US5642491A (en) * 1994-09-21 1997-06-24 International Business Machines Corporation Method for expanding addressable memory range in real-mode processing to facilitate loading of large programs into high memory
US6438621B1 (en) 1994-11-14 2002-08-20 Microsoft Corporation In-memory modification of computer programs
US6178550B1 (en) * 1995-01-31 2001-01-23 Dell Usa Mechanism for optimizing location of machine-dependent code
US5710941A (en) * 1995-02-28 1998-01-20 Microsoft Corporation System for substituting protected mode hard disk driver for real mode driver by trapping test transfers to verify matching geometric translation
US6141722A (en) * 1995-05-31 2000-10-31 Microsoft Corporation Method and apparatus for reclaiming memory
WO1996038784A1 (en) * 1995-06-02 1996-12-05 Systemsoft Corporation Digital data processing method and apparatus for peripheral device control
US5864689A (en) * 1995-12-05 1999-01-26 Advanced Micro Devices, Inc. Microprocessor configured to selectively invoke a microcode DSP function or a program subroutine in response to a target address value of branch instruction
US6091897A (en) 1996-01-29 2000-07-18 Digital Equipment Corporation Fast translation and execution of a computer program on a non-native architecture by use of background translator
US6535903B2 (en) * 1996-01-29 2003-03-18 Compaq Information Technologies Group, L.P. Method and apparatus for maintaining translated routine stack in a binary translation environment
US5860079A (en) * 1996-05-10 1999-01-12 Apple Computer, Inc. Arrangement and method for efficient calculation of memory addresses in a block storage memory system
FR2764407B1 (fr) * 1997-06-05 1999-07-30 Alsthom Cge Alcatel Dispositif de retouche de programme de commande dans un processeur
US5951658A (en) * 1997-09-25 1999-09-14 International Business Machines Corporation System for dynamic allocation of I/O buffers for VSAM access method based upon intended record access where performance information regarding access is stored in memory
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Also Published As

Publication number Publication date
BE1001064A3 (fr) 1989-06-27
GB8728922D0 (en) 1988-01-27
IT8819945A0 (it) 1988-03-25
BR8801388A (pt) 1988-11-01
IT1217358B (it) 1990-03-22
US5193161A (en) 1993-03-09
EP0288606A2 (en) 1988-11-02
NL185634C (nl) 1990-06-01
DE3808167C2 (de) 1994-03-24
EP0288606A3 (en) 1989-05-03
HK33992A (en) 1992-05-15
DE3786660D1 (de) 1993-08-26
DE3786660T2 (de) 1994-02-17
FR2613093A1 (fr) 1988-09-30
NL8800736A (nl) 1988-10-17
ATE91812T1 (de) 1993-08-15
GB2202657A (en) 1988-09-28
DE3808167A1 (de) 1988-10-13
JPH0731628B2 (ja) 1995-04-10
ES2042531T3 (es) 1993-12-16
FR2613093B1 (fr) 1990-03-23
JPS63244147A (ja) 1988-10-11
EP0288606B1 (en) 1993-07-21
GB2202657B (en) 1991-09-18
CA1293821C (en) 1991-12-31
US4928237A (en) 1990-05-22

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