JPS59125798U - Memory protection control device for data processing systems - Google Patents

Memory protection control device for data processing systems

Info

Publication number
JPS59125798U
JPS59125798U JP1552083U JP1552083U JPS59125798U JP S59125798 U JPS59125798 U JP S59125798U JP 1552083 U JP1552083 U JP 1552083U JP 1552083 U JP1552083 U JP 1552083U JP S59125798 U JPS59125798 U JP S59125798U
Authority
JP
Japan
Prior art keywords
memory protection
data processing
control device
protection control
processing systems
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
JP1552083U
Other languages
Japanese (ja)
Inventor
太田　孝徳
Original Assignee
株式会社日立製作所
日立プロセスコンピユ−タエンジニアリング株式会社
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 株式会社日立製作所, 日立プロセスコンピユ−タエンジニアリング株式会社 filed Critical 株式会社日立製作所
Priority to JP1552083U priority Critical patent/JPS59125798U/en
Publication of JPS59125798U publication Critical patent/JPS59125798U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図はＯ８の各マクロ処理概略フローチャート、第２
図は処理装置の概略フローチャート、第３図はＯ８のメ
モリプロテクション割込み処理概略フローチャートであ
る。 ＣＩＯ・・・・・・ＩＳＷの２１４ビツト（識別フラグ
）はＯＮかどうかの判定ブロック。Figure 1 is a schematic flowchart of each macro process of O8;
The figure is a schematic flowchart of the processing device, and FIG. 3 is a schematic flowchart of O8 memory protection interrupt processing. CIO: A block for determining whether the 214 bits (identification flag) of the ISW are ON or not.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ストアドブログラム方式で、かつ、メモリプロテクショ
ンエラーを検出できる処理装置をもつデータ処理システ
ムに於いて、オペレーティング・システムのプログラム
内で前記メモリプロテクションエラーが発生した場合、
ユーザタスクが指定した領域に書込もうとして検出され
たエラーか、前記オペレーティングシステムが独自の領
域に書込もうとして検出されたエラーかを識別するフラ
グを設けたことを特徴とするデータ処理システムのメモ
リプロテクション制御装置。In a data processing system that uses a stored program method and has a processing device that can detect memory protection errors, if the memory protection error occurs in the operating system program,
A data processing system characterized by providing a flag for identifying whether an error is detected when a user task attempts to write to a specified area or an error is detected when the operating system attempts to write to its own area. Memory protection control device.
JP1552083U 1983-02-07 1983-02-07 Memory protection control device for data processing systems Pending JPS59125798U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1552083U JPS59125798U (en) 1983-02-07 1983-02-07 Memory protection control device for data processing systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1552083U JPS59125798U (en) 1983-02-07 1983-02-07 Memory protection control device for data processing systems

Publications (1)

Publication Number Publication Date
JPS59125798U true JPS59125798U (en) 1984-08-24

Family

ID=30146857

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1552083U Pending JPS59125798U (en) 1983-02-07 1983-02-07 Memory protection control device for data processing systems

Country Status (1)

Country Link
JP (1) JPS59125798U (en)

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