DE3333894A1 - Memory management unit - Google Patents

Memory management unit

Info

Publication number
DE3333894A1
DE3333894A1 DE19833333894 DE3333894A DE3333894A1 DE 3333894 A1 DE3333894 A1 DE 3333894A1 DE 19833333894 DE19833333894 DE 19833333894 DE 3333894 A DE3333894 A DE 3333894A DE 3333894 A1 DE3333894 A1 DE 3333894A1
Authority
DE
Germany
Prior art keywords
management unit
memory management
memory
unit
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.)
Granted
Application number
DE19833333894
Other languages
German (de)
Other versions
DE3333894C2 (en
Inventor
Paul A Baker
Gary L Marten
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.)
Apple Inc
Original Assignee
Apple Computer 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
Priority to US42686982A priority Critical
Application filed by Apple Computer Inc filed Critical Apple Computer Inc
Publication of DE3333894A1 publication Critical patent/DE3333894A1/en
Application granted granted Critical
Publication of DE3333894C2 publication Critical patent/DE3333894C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02Addressing or allocation; Relocation
    • G06F12/0223User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/0292User address space allocation, e.g. contiguous or non contiguous base addressing using tables or multilevel address translation means
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14Protection against unauthorised use of memory or access to memory
    • G06F12/1416Protection 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
    • G06F12/145Protection 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
DE19833333894 1982-09-29 1983-09-20 Expired - Fee Related DE3333894C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US42686982A true 1982-09-29 1982-09-29

Publications (2)

Publication Number Publication Date
DE3333894A1 true DE3333894A1 (en) 1984-03-29
DE3333894C2 DE3333894C2 (en) 1993-04-01

Family

ID=23692542

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833333894 Expired - Fee Related DE3333894C2 (en) 1982-09-29 1983-09-20

Country Status (12)

Country Link
JP (1) JPS5979367A (en)
AU (1) AU559067B2 (en)
CA (1) CA1197020A (en)
DE (1) DE3333894C2 (en)
FR (1) FR2533736A1 (en)
GB (1) GB2127994B (en)
IL (1) IL69784A (en)
IN (1) IN161125B (en)
IT (1) IT1221741B (en)
NZ (1) NZ205486A (en)
SE (1) SE464052B (en)
ZA (1) ZA8306384B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988001411A1 (en) * 1986-08-22 1988-02-25 Commonwealth Scientific And Industrial Research Or A content-addressable memory system

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4972338A (en) * 1985-06-13 1990-11-20 Intel Corporation Memory management for microprocessor system
GB2176918B (en) * 1985-06-13 1989-11-01 Intel Corp Memory management for microprocessor system
JP2522248B2 (en) * 1986-05-24 1996-08-07 株式会社日立製作所 Storage device access mechanism
AT97535T (en) * 1986-09-25 1993-12-15 Siemens Ag Address management unit a multiprocessor central control unit of a message-switching systems.
FR2618578A1 (en) * 1987-07-21 1989-01-27 Digilog On-board modular computer system with integrated virtual memory
DE3901457C2 (en) * 1989-01-19 1990-11-15 Gesellschaft Fuer Strahlen- Und Umweltforschung Mbh (Gsf), 8042 Neuherberg, De
US5617554A (en) * 1992-02-10 1997-04-01 Intel Corporation Physical address size selection and page size selection in an address translator
US5752275A (en) * 1995-03-31 1998-05-12 Intel Corporation Translation look-aside buffer including a single page size translation unit
JP2005100262A (en) 2003-09-26 2005-04-14 Seiko Epson Corp Device, program and method for managing memory

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037215A (en) * 1976-04-30 1977-07-19 International Business Machines Corporation Key controlled address relocation translation system
DE2837241C2 (en) * 1978-08-25 1982-05-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
DE2625113C2 (en) * 1975-06-18 1984-01-05 International Business Machines Corp., 10504 Armonk, N.Y., Us

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315779B2 (en) * 1973-08-16 1978-05-27
GB1498116A (en) * 1974-04-18 1978-01-18 Honeywell Inf Systems Data processing systems
US3938100A (en) * 1974-06-07 1976-02-10 Control Data Corporation Virtual addressing apparatus for addressing the memory of a computer utilizing associative addressing techniques
GB1585960A (en) * 1976-07-30 1981-03-11 Plessey Co Ltd Information flow security mechanisms for data processing systems
US4093986A (en) * 1976-12-27 1978-06-06 International Business Machines Corporation Address translation with storage protection
JPS5436144A (en) * 1977-08-26 1979-03-16 Toshiba Corp Address conversion unit
US4366537A (en) * 1980-05-23 1982-12-28 International Business Machines Corp. Authorization mechanism for transfer of program control or data between different address spaces having different storage protect keys

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2625113C2 (en) * 1975-06-18 1984-01-05 International Business Machines Corp., 10504 Armonk, N.Y., Us
US4037215A (en) * 1976-04-30 1977-07-19 International Business Machines Corporation Key controlled address relocation translation system
DE2837241C2 (en) * 1978-08-25 1982-05-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988001411A1 (en) * 1986-08-22 1988-02-25 Commonwealth Scientific And Industrial Research Or A content-addressable memory system

Also Published As

Publication number Publication date
IT8322960D0 (en) 1983-09-22
SE8305290D0 (en) 1983-09-29
DE3333894C2 (en) 1993-04-01
ZA8306384B (en) 1984-05-30
IL69784D0 (en) 1983-12-30
GB2127994B (en) 1987-01-21
IN161125B (en) 1987-10-10
GB2127994A (en) 1984-04-18
GB8316129D0 (en) 1983-07-20
IL69784A (en) 1986-12-31
FR2533736A1 (en) 1984-03-30
SE8305290L (en) 1984-03-30
CA1197020A (en) 1985-11-19
AU559067B2 (en) 1987-02-19
NZ205486A (en) 1987-02-20
SE464052B (en) 1991-02-25
JPS5979367A (en) 1984-05-08
IT1221741B (en) 1990-07-12
CA1197020A1 (en)
AU1894083A (en) 1984-04-05

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: G06F 12/14

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee