SG5792G - Computer system having cpu mode independant addressing - Google Patents
Computer system having cpu mode independant addressingInfo
- 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
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)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Stored Programmes (AREA)
- Hardware Redundancy (AREA)
- Memory System Of A Hierarchy Structure (AREA)
- Memory System (AREA)
- Executing Machine-Instructions (AREA)
- Storage Device Security (AREA)
- Information Transfer Systems (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Multi Processors (AREA)
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 (fr) |
EP (1) | EP0288606B1 (fr) |
JP (1) | JPH0731628B2 (fr) |
AT (1) | ATE91812T1 (fr) |
BE (1) | BE1001064A3 (fr) |
BR (1) | BR8801388A (fr) |
CA (1) | CA1293821C (fr) |
DE (2) | DE3786660T2 (fr) |
ES (1) | ES2042531T3 (fr) |
FR (1) | FR2613093B1 (fr) |
GB (1) | GB2202657B (fr) |
HK (1) | HK33992A (fr) |
IT (1) | IT1217358B (fr) |
NL (1) | NL185634C (fr) |
SG (1) | SG5792G (fr) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4928237A (en) * | 1987-03-27 | 1990-05-22 | International Business Machines Corp. | Computer system having mode independent addressing |
US5226122A (en) * | 1987-08-21 | 1993-07-06 | Compaq Computer Corp. | Programmable logic system for filtering commands to a microprocessor |
US5018062A (en) * | 1987-10-23 | 1991-05-21 | A.I. Architects, Inc. | Method and apparatus for overriding a ROM routine in response to a reset |
JPH01273136A (ja) * | 1988-04-26 | 1989-11-01 | Oki Electric Ind Co Ltd | オペレーティングシステムのファームウェア化方式 |
US5101493A (en) * | 1989-06-19 | 1992-03-31 | Digital Equipment Corporation | Digital computer using data structure including external reference arrangement |
JPH03233630A (ja) * | 1990-02-08 | 1991-10-17 | Nec Corp | 情報処理装置 |
US5142626A (en) * | 1990-07-20 | 1992-08-25 | International Business Machines Corp. | Personal computer with removable media identification |
US5136711A (en) * | 1990-10-17 | 1992-08-04 | Ast Research | System for multiple access hard disk partitioning |
US5186978B1 (en) * | 1990-11-16 | 1999-11-02 | Cal West Equip Co | Protective coating and method of using such coating |
US5255379A (en) * | 1990-12-28 | 1993-10-19 | Sun Microsystems, Inc. | Method for automatically transitioning from V86 mode to protected mode in a computer system using an Intel 80386 or 80486 processor |
US5604885A (en) * | 1991-02-01 | 1997-02-18 | Texas Instruments Incorporated | Apparatus and method enabling a computer to transfer control between two program segments that call one another but operate in different modes |
US5303378A (en) * | 1991-05-21 | 1994-04-12 | Compaq Computer Corporation | Reentrant protected mode kernel using virtual 8086 mode interrupt service routines |
US5297282A (en) * | 1991-05-29 | 1994-03-22 | Toshiba America Information Systems, Inc. | Resume processing function for the OS/2 operating system |
US5355490A (en) * | 1991-06-14 | 1994-10-11 | Toshiba America Information Systems, Inc. | System and method for saving the state for advanced microprocessor operating modes |
US5237669A (en) * | 1991-07-15 | 1993-08-17 | Quarterdeck Office Systems, Inc. | Memory management method |
US5291585A (en) * | 1991-07-29 | 1994-03-01 | Dell Usa, L.P. | Computer system having system feature extension software containing a self-describing feature table for accessing I/O devices according to machine-independent format |
SG52380A1 (en) * | 1991-09-23 | 1998-09-28 | Intel Corp | A computer system and method for executing interrupt instructions in two operating modes |
US5596755A (en) * | 1992-11-03 | 1997-01-21 | Microsoft Corporation | Mechanism for using common code to handle hardware interrupts in multiple processor modes |
CA2093451C (fr) * | 1993-04-06 | 2000-03-14 | David M. Mooney | Methode et mecanisme d'appel de fonctions a 32 bits a partir de fonctions 16 bits |
US5487158A (en) * | 1993-04-06 | 1996-01-23 | International Business Machines Corporation | Method and procedure call mechanism for calling 16-bit functions from 32-bit functions |
JPH0778106A (ja) | 1993-09-08 | 1995-03-20 | Hitachi Ltd | データ処理システム |
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 |
US5459869A (en) * | 1994-02-17 | 1995-10-17 | Spilo; Michael L. | Method for providing protected mode services for device drivers and other resident software |
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 (fr) * | 1995-06-02 | 1996-12-05 | Systemsoft Corporation | Procede et dispositif de traitement de donnees numeriques pour commande d'unite peripherique |
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 |
US6148387A (en) * | 1997-10-09 | 2000-11-14 | Phoenix Technologies, Ltd. | System and method for securely utilizing basic input and output system (BIOS) services |
US6321332B1 (en) * | 1998-06-17 | 2001-11-20 | Intel Corporation | Flexible control of access to basic input/output system memory |
US6785806B1 (en) | 1999-12-30 | 2004-08-31 | Intel Corporation | Bios having macro/effector pairs for hardware initialization |
GB2396930B (en) | 2002-11-18 | 2005-09-07 | Advanced Risc Mach Ltd | Apparatus and method for managing access to a memory |
GB2396713B (en) | 2002-11-18 | 2005-09-14 | Advanced Risc Mach Ltd | Apparatus and method for controlling access to a memory unit |
US7738993B2 (en) * | 2003-10-10 | 2010-06-15 | Boston Scientific Scimed, Inc. | Extrusion of articles |
US9015727B2 (en) * | 2008-04-02 | 2015-04-21 | Qualcomm Incorporated | Sharing operating system sub-processes across tasks |
TW201020773A (en) * | 2008-11-19 | 2010-06-01 | Inventec Corp | Method for reading/writing a big structure in a 64k operating environment |
US9898307B2 (en) * | 2015-12-21 | 2018-02-20 | Intel Corporation | Starting application processors of a virtual machine |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS532296B2 (fr) * | 1973-03-19 | 1978-01-26 | ||
FR2258113A5 (fr) * | 1973-11-30 | 1975-08-08 | Honeywell Bull Soc Ind | |
US4128875A (en) * | 1976-12-16 | 1978-12-05 | Sperry Rand Corporation | Optional virtual memory system |
JPS5448449A (en) * | 1977-09-26 | 1979-04-17 | Hitachi Ltd | Virtual addressing sustem |
US4315321A (en) * | 1978-06-16 | 1982-02-09 | The Kardios Systems Corporation | Method and apparatus for enhancing the capabilities of a computing system |
US4270167A (en) * | 1978-06-30 | 1981-05-26 | Intel Corporation | Apparatus and method for cooperative and concurrent coprocessing of digital information |
US4325120A (en) * | 1978-12-21 | 1982-04-13 | Intel Corporation | Data processing system |
US4442484A (en) * | 1980-10-14 | 1984-04-10 | Intel Corporation | Microprocessor memory management and protection mechanism |
US4514805A (en) * | 1982-02-22 | 1985-04-30 | Texas Instruments Incorporated | Interrupt operation in systems emulator mode for microcomputer |
US4727480A (en) * | 1984-07-09 | 1988-02-23 | Wang Laboratories, Inc. | Emulation of a data processing system |
US4825358A (en) * | 1985-04-10 | 1989-04-25 | Microsoft Corporation | Method and operating system for executing programs in a multi-mode microprocessor |
US4779187A (en) * | 1985-04-10 | 1988-10-18 | Microsoft Corporation | Method and operating system for executing programs in a multi-mode microprocessor |
US5027273A (en) * | 1985-04-10 | 1991-06-25 | Microsoft Corporation | Method and operating system for executing programs in a multi-mode microprocessor |
DE3584446D1 (de) * | 1985-06-18 | 1991-11-21 | Ibm | Mikroprozessor. |
JPS623358A (ja) * | 1985-06-28 | 1987-01-09 | Yokogawa Hewlett Packard Ltd | 複数アドレス空間アクセス方式 |
US4747040A (en) * | 1985-10-09 | 1988-05-24 | American Telephone & Telegraph Company | Dual operating system computer |
US4787032A (en) * | 1986-09-08 | 1988-11-22 | Compaq Computer Corporation | Priority arbitration circuit for processor access |
US4849875A (en) * | 1987-03-03 | 1989-07-18 | Tandon Corporation | Computer address modification system with optional DMA paging |
US4928237A (en) * | 1987-03-27 | 1990-05-22 | International Business Machines Corp. | Computer system having mode independent addressing |
US5018062A (en) * | 1987-10-23 | 1991-05-21 | A.I. Architects, Inc. | Method and apparatus for overriding a ROM routine in response to a reset |
US4974159A (en) * | 1988-09-13 | 1990-11-27 | Microsoft Corporation | Method of transferring control in a multitasking computer system |
-
1987
- 1987-03-27 US US07/030,789 patent/US4928237A/en not_active Expired - Fee Related
- 1987-11-18 FR FR878716225A patent/FR2613093B1/fr not_active Expired - Fee Related
- 1987-11-25 BE BE8701337A patent/BE1001064A3/fr not_active IP Right Cessation
- 1987-12-10 GB GB8728922A patent/GB2202657B/en not_active Expired - Fee Related
- 1987-12-15 ES ES87118538T patent/ES2042531T3/es not_active Expired - Lifetime
- 1987-12-15 DE DE87118538T patent/DE3786660T2/de not_active Expired - Fee Related
- 1987-12-15 AT AT87118538T patent/ATE91812T1/de not_active IP Right Cessation
- 1987-12-15 EP EP87118538A patent/EP0288606B1/fr not_active Expired - Lifetime
-
1988
- 1988-01-20 JP JP63008599A patent/JPH0731628B2/ja not_active Expired - Lifetime
- 1988-02-15 CA CA000558930A patent/CA1293821C/fr not_active Expired - Fee Related
- 1988-03-11 DE DE3808167A patent/DE3808167C2/de not_active Expired - Fee Related
- 1988-03-24 NL NLAANVRAGE8800736,A patent/NL185634C/xx not_active IP Right Cessation
- 1988-03-25 BR BR8801388A patent/BR8801388A/pt not_active Application Discontinuation
- 1988-03-25 IT IT19945/88A patent/IT1217358B/it active
-
1990
- 1990-05-18 US US07/525,792 patent/US5193161A/en not_active Expired - Fee Related
-
1992
- 1992-01-22 SG SG57/92A patent/SG5792G/en unknown
- 1992-05-07 HK HK339/92A patent/HK33992A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US4928237A (en) | 1990-05-22 |
FR2613093A1 (fr) | 1988-09-30 |
BR8801388A (pt) | 1988-11-01 |
IT1217358B (it) | 1990-03-22 |
EP0288606A2 (fr) | 1988-11-02 |
JPH0731628B2 (ja) | 1995-04-10 |
BE1001064A3 (fr) | 1989-06-27 |
JPS63244147A (ja) | 1988-10-11 |
DE3786660D1 (de) | 1993-08-26 |
NL8800736A (nl) | 1988-10-17 |
ES2042531T3 (es) | 1993-12-16 |
GB2202657A (en) | 1988-09-28 |
GB2202657B (en) | 1991-09-18 |
ATE91812T1 (de) | 1993-08-15 |
DE3808167C2 (de) | 1994-03-24 |
HK33992A (en) | 1992-05-15 |
EP0288606A3 (en) | 1989-05-03 |
IT8819945A0 (it) | 1988-03-25 |
DE3808167A1 (de) | 1988-10-13 |
NL185634C (nl) | 1990-06-01 |
CA1293821C (fr) | 1991-12-31 |
GB8728922D0 (en) | 1988-01-27 |
FR2613093B1 (fr) | 1990-03-23 |
EP0288606B1 (fr) | 1993-07-21 |
US5193161A (en) | 1993-03-09 |
DE3786660T2 (de) | 1994-02-17 |
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