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
  • G06F9/34—Addressing or accessing the instruction operand or the result ; Formation of operand address; Addressing modes
  • G06F9/342—Extension of operand address space
• • 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
  • G06F12/02—Addressing or allocation; Relocation
  • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
  • G06F12/10—Address translation
  • G06F12/1027—Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB]
  • G06F12/1036—Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB] for multiple virtual address spaces, e.g. segmentation
• • 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)
• Software Systems (AREA)
• Computer Security & Cryptography (AREA)
• Executing Machine-Instructions (AREA)
• Memory System Of A Hierarchy Structure (AREA)
• Memory System (AREA)
• Machine Translation (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=19803610

Family Applications (1)

Country Status (8)

Families Citing this family (27)

Family Cites Families (8)

• 1968
  • 1968-05-11 NL NL6806735A patent/NL6806735A/xx unknown
• 1969
  • 1969-04-30 DE DE19691922242 patent/DE1922242A1/de active Pending
  • 1969-05-08 GB GB23573/69A patent/GB1221640A/en not_active Expired
  • 1969-05-08 CH CH702569A patent/CH506135A/de not_active IP Right Cessation
  • 1969-05-09 BE BE732844D patent/BE732844A/xx unknown
  • 1969-05-09 FR FR6915081A patent/FR2008322A1/fr not_active Withdrawn
  • 1969-05-10 JP JP3553869A patent/JPS5531554B1/ja active Pending
• 1971
  • 1971-09-02 US US00177442A patent/US3725874A/en not_active Expired - Lifetime

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