JPS5474635A - Control system for table lookaside buffer - Google Patents

Control system for table lookaside buffer

Info

Publication number
JPS5474635A
JPS5474635A JP14253377A JP14253377A JPS5474635A JP S5474635 A JPS5474635 A JP S5474635A JP 14253377 A JP14253377 A JP 14253377A JP 14253377 A JP14253377 A JP 14253377A JP S5474635 A JPS5474635 A JP S5474635A
Authority
JP
Japan
Prior art keywords
tlb
sto
address
group
tlbsave
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.)
Pending
Application number
JP14253377A
Other languages
Japanese (ja)
Inventor
Saburo Kaneda
Takashi Sakai
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP14253377A priority Critical patent/JPS5474635A/en
Publication of JPS5474635A publication Critical patent/JPS5474635A/en
Pending legal-status Critical Current

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  • Memory System Of A Hierarchy Structure (AREA)

Abstract

PURPOSE: To effectively use the TLB group by using the TLB group in the buffer when the new segment head addressed are in agreement, through the storage of the TLB group mostly used every STO address to separate buffer.
CONSTITUTION: The TLB work is replaced by determining the order freqeuntly uaed every one set in O to n way with the LRU replacement array. TLBSAVE stores the TLB group mostly used in the space corresponding to the area when the space is changed. STO section compares COM the STO address representing the changed space with the memory of STO stack, and when they are in agreement it is registrated in the STO array as NEWSTO and TBL is read out from the corresponding TLBSAVE and restored. The information is writtern in the way O and LRU uses only the way O. In case of disagreement, registration is made to OLDSTO which is taken as the newest STO address, and the content of corresponding TLBSAVE and TLB work are made ineffective, and the address LA and RA are obtained by using DAT and it is registrated in corresponding TLB.
COPYRIGHT: (C)1979,JPO&Japio
JP14253377A 1977-11-28 1977-11-28 Control system for table lookaside buffer Pending JPS5474635A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14253377A JPS5474635A (en) 1977-11-28 1977-11-28 Control system for table lookaside buffer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14253377A JPS5474635A (en) 1977-11-28 1977-11-28 Control system for table lookaside buffer

Publications (1)

Publication Number Publication Date
JPS5474635A true JPS5474635A (en) 1979-06-14

Family

ID=15317557

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14253377A Pending JPS5474635A (en) 1977-11-28 1977-11-28 Control system for table lookaside buffer

Country Status (1)

Country Link
JP (1) JPS5474635A (en)

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