JPS58133695A - Page size change system - Google Patents

Page size change system

Info

Publication number
JPS58133695A
JPS58133695A JP57013950A JP1395082A JPS58133695A JP S58133695 A JPS58133695 A JP S58133695A JP 57013950 A JP57013950 A JP 57013950A JP 1395082 A JP1395082 A JP 1395082A JP S58133695 A JPS58133695 A JP S58133695A
Authority
JP
Japan
Prior art keywords
memory
page size
circuit
map
given
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
JP57013950A
Other languages
Japanese (ja)
Inventor
Akira Jinsaki
明 陣崎
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 JP57013950A priority Critical patent/JPS58133695A/en
Publication of JPS58133695A publication Critical patent/JPS58133695A/en
Pending legal-status Critical Current

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  • Memory System (AREA)
  • Memory System Of A Hierarchy Structure (AREA)

Abstract

PURPOSE:To decrease the fragmentation, by changing the page size to be suitable for the size of a job simply. CONSTITUTION:In Figure, lower-order (i) outputs among (j) outputs of a map memory MM are given to a data memory DM via a circuit PA and the upper- order (j-i) outputs are given to the memory DM directly. A map adress limit register MADR formed with (i) sets of flip-flops is provided, and a switch SW corresponding to the circuit PA is switched by setting a suitable control data to the said MADR to change over the state via the circuit PA and direct connection. That is, the address lines given to the data memory DM by the circuit PA are selected to one of the output converted at the map memory MM and not.

Description

【発明の詳細な説明】 本発明はマルチレベルアドレッシング7jK(二おける
マツピングの基本JIL位(ページ)の大きさV動的6
1」可能としたページサイズを更方式に関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention provides multi-level addressing 7jK (basic JIL mapping in two pages)
1" relates to a method for changing the page size that is possible.

12+従来技拘と藺一点 メモリ拳域P1tl#定的εユページ区分し,処坤yr
hなう従来のべ一ジング万式では.ページサイズ(ペー
ジの大きさJと実打されるジ曹プの大ささとの関連で使
用されない都会がメモリの参職中に散在し.メ%9の 使用効率が曇化するフラグメンテ−シーンが間組となる
12 + Conventional technique and one point memory range P1tl
In the conventional basing Manshiki. Page size (Due to the page size J and the actual size of the map being used, unused cities are scattered throughout the memory process. Fragmentation scenes where the usage efficiency of Me%9 is clouded) becomes the interlude.

斯かるフラグメンテ−シーンン解決するため1二は.ペ
ージサイズを小さくシ.#め細かTKメモリ管理を行な
えばよいが.この方法では反対に広いメモリ領域ン発す
る場合1:メモリ管理のオーバヘッドが増加するという
欠点がある。
In order to solve such fragmentation scenes, 12. Reduce page size. # It would be nice if you could manage the TK memory in detail. On the other hand, this method has the disadvantage that when a large memory area is used, 1: memory management overhead increases.

又,従来よりページングは馬連で且つ大規模な計算機ν
ステムで用いられて来た技術であるが,近年のマイクロ
プロセッサの高性能化C二伴い,メモリ容量がlmバイ
ト以下の小規模システムに於いてもベージングの喪掌が
高まっている。
In addition, paging has traditionally been done by horse operators and large-scale computers.
Although this technique has been used in systems, as the performance of microprocessors has improved in recent years, bazing has become increasingly popular even in small-scale systems with a memory capacity of 1m bytes or less.

しかし、前述の固定ページサイズによるぺ一シングでは
.上記フラグメンテーシ嘗ン.メモリ管瑯のオーバヘッ
ドの増加等の原因で小規模νステムへの4入が困難であ
る。
However, with the pacing using the fixed page size mentioned above. Fragmentation example above. It is difficult to input four into a small-scale ν stem due to an increase in the overhead of the memory tube.

01発明の1的 本@一の1的は前述の欠点な改害し,ページサイズをシ
ステム運用中に於けるソフトウエアからの制御l11C
二より可変とすることにより適正なデータ処理vWl能
とするページサイズ髪更方弐臀轡供することC二あ、る
01 Part 1 of the invention @ Part 1 of the invention is to improve the above-mentioned disadvantages and to control the page size from software during system operation l11C
By making the page size more variable, proper data processing capability can be provided.

41発明の構成 マルチレベルアドレプシング方式にVいて。41 Composition of the invention It's based on the multi-level addressing method.

データメモダ(主記憶装置)に与えるアドレス蜘χ、マ
ツプメモ9を経由する場合と経由しない場合に選択し、
切替可能とする切替娶歓蟹具備することである。
Select the address given to the data memo da (main memory), whether to go through map memo 9 or not,
It is equipped with a switching device that can be switched.

1fi1発明の実施例 以下1に示す木精−の実施@C二ついて説明する。%l
kは木精−の一実施一を示す一取1で、ページを指定す
るアドレスは1本のアドレス婦により4えられる。その
うち上位1本はマツプメモ5hme、下位j−1本はデ
ータメモリDie−二m接4えられる6′1Ih1晧1
においてマツプメモ9 MMの出力5本のうち1位1本
は胞路Pムン弁しデータメモ9Dνに与えられ上位j−
1本は直接データメモ9 D−M g−4えられる。1
修の79ツブフロツプで形成されるマツプアドレス制限
レジスタ勧ムDRン設け、該細ムDR(二遍当な制御デ
ータを設定することC二よって、I白路Pム中の対応位
置のスイッチ8Wヶ切替え、【1路アムを介する場合と
介さない場合と(二切替える。即ち、@路Pムによって
データメモツDMi二与えられるアドレス線は。
1fi1 Embodiments of the Invention Two examples of the implementation of the lumber shown in 1 will be described below. %l
k is 1, which indicates the number of times a wood spirit is used, and the address specifying a page is given by one address. Among them, the top one is map memo 5hme, and the bottom j-1 is data memory Die-2m connection 4 6'1Ih1 晧1
Out of the five outputs of map memo 9 MM, the first one is given to data memo 9 Dν for the cell path P mun valve and the top j-
One can be obtained directly from the data memo 9 D-M g-4. 1
A map address restriction register DR formed by a modified 79 block flop is provided, and the 8W switch at the corresponding position in the I white path P is provided. The address line given by the data memory DMi2 by the @path Pm is switched.

Φマツプメモツレ一によりt*されたもの[株]を換さ
れないもの のいずれか−yj(二選択されることとrxる。
ΦMap Memories One of those that are t* [shares] and those that are not replaced -yj (two selected and rx).

そこで、ページサイズは、マツプメモシMlによ・−を
押されtいアドレス1の本数ynとした場合に、 1”
ワード(勤l栖において9回路Pム円でに本のアドレス
鹸がよ記■C:遺択されている場合はn:に+ J−1
)と1jる。
Therefore, the page size is 1'' when the map memory Ml presses - and the number of addresses 1 is yn.
Word (at work, write the address of the book in 9 circuits Pm circle ■C: If it is selected, n: + J-1
) and 1jru.

′#%2馳は1路アムとマツプアドレス制限レジスメ麺
ムDBの関連しついて具体例を示す回路1でxMマはイ
ンバータ、Bはtライステート・パテフチを示す。弗S
−はj冨1の時回路アムがアドレス−の’F[4本をマ
ツプメモ9MM%ブr′:!−ないように選択されてい
る壷金のll5Ir!j!Jの等*[!!Ipmを不し
ている。この時ページサイズは%aI+16ワードとな
り、またマツプアドレス制限レジスタームDRの設定は
ソフトウェアによ°リデータ処瑯を開始する前−二行な
う。
'#%2 CH is a circuit 1 showing a specific example of the relationship between the 1-way am and the map address restriction regimen noodle DB.弗S
- is j when the circuit am is address -'F [Map 4 memo 9MM% BR':! - Il5Ir of urn gold selected as not! j! J etc. *[! ! Ipm is not working. At this time, the page size is %aI+16 words, and the map address restriction register DR is set by software -2 before starting redata processing.

曲11i?;明の効果 このようC二して本発明C二よ11ばページサイズ馨簡
@4二月つジ璽プのスささ砿ユ適合するようC:fすで
きるため、フラグメンテーシーンを少なくするようなメ
モリ管珍か可能となる。
Song 11i? Effect of brightness In this way, the present invention C2 to C11 can be adjusted to fit the page size of the page size of the letter @4, reducing the number of fragmentation scenes. Such a memory tube becomes possible.

【図面の簡単な説明】[Brief explanation of the drawing]

第l−は本発明の一実施例の構成融、 bahは第1 tkr中の回路Cユついての剖分評細し
1、 lPI31は具体例による轡価回路―を示す。 MM−・・マ雫プメモ9  DM・・・データメモシP
ム・・・1路      aW−スイッチ細ムDl・・
・マツプ了ドレス制限レジスタ特許出願人 1十通株式
会社 代 珊 人 弁趣土鈴木宋祐
1-th shows the configuration of one embodiment of the present invention, bah shows the detailed analysis of the circuit C unit in the 1st tkr, and lPI31 shows the evaluation circuit according to a specific example. MM-...Map Memo 9 DM...Data Memo P
Mu...1 path aW-switch thin Dl...
・Matupure Dress Restriction Register Patent Applicant: 10th Co., Ltd. Representative: Sosuke Suzuki

Claims (1)

【特許請求の範囲】 マルチレベルアドレッシング万式において。 データメモ91:与えるアドレスWMをマツプメモリを
峠由する縁台と静由しない場合とC二辿択。 切替可能とする切W装重を具備することγ%徴とするペ
ージサイズ俟′斐方式。
[Claims] In a multi-level addressing system. Data memo 91: Select the address WM to be given to the platform where the map memory is passed, the case where it is not passed, and the case where C is selected. The page size change method is characterized by having a cutting W weight that can be switched.
JP57013950A 1982-01-30 1982-01-30 Page size change system Pending JPS58133695A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57013950A JPS58133695A (en) 1982-01-30 1982-01-30 Page size change system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57013950A JPS58133695A (en) 1982-01-30 1982-01-30 Page size change system

Publications (1)

Publication Number Publication Date
JPS58133695A true JPS58133695A (en) 1983-08-09

Family

ID=11847479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57013950A Pending JPS58133695A (en) 1982-01-30 1982-01-30 Page size change system

Country Status (1)

Country Link
JP (1) JPS58133695A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60144845A (en) * 1983-12-30 1985-07-31 Fujitsu Ltd Ram address generating circuit
JPS61250752A (en) * 1985-04-30 1986-11-07 Fujitsu Ltd Address expanding system
JPS61250753A (en) * 1985-04-30 1986-11-07 Fujitsu Ltd Address expanding system
JPS63180154A (en) * 1987-01-21 1988-07-25 Nec Ic Microcomput Syst Ltd Semiconductor memory of page address system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60144845A (en) * 1983-12-30 1985-07-31 Fujitsu Ltd Ram address generating circuit
JPS61250752A (en) * 1985-04-30 1986-11-07 Fujitsu Ltd Address expanding system
JPS61250753A (en) * 1985-04-30 1986-11-07 Fujitsu Ltd Address expanding system
JPH0376504B2 (en) * 1985-04-30 1991-12-05 Fujitsu Ltd
JPH0376503B2 (en) * 1985-04-30 1991-12-05 Fujitsu Ltd
JPS63180154A (en) * 1987-01-21 1988-07-25 Nec Ic Microcomput Syst Ltd Semiconductor memory of page address system
JPH058457B2 (en) * 1987-01-21 1993-02-02 Nippon Denki Aishii Maikon Shisutemu Kk

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