JP4700604B2 - データ処理システムにおけるメモリ管理 - Google Patents
データ処理システムにおけるメモリ管理 Download PDFInfo
- Publication number
- JP4700604B2 JP4700604B2 JP2006508655A JP2006508655A JP4700604B2 JP 4700604 B2 JP4700604 B2 JP 4700604B2 JP 2006508655 A JP2006508655 A JP 2006508655A JP 2006508655 A JP2006508655 A JP 2006508655A JP 4700604 B2 JP4700604 B2 JP 4700604B2
- Authority
- JP
- Japan
- Prior art keywords
- memory
- address
- access timing
- memory access
- timing characteristic
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
-
- 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
- G06F12/06—Addressing a physical block of locations, e.g. base addressing, module addressing, memory dedication
- G06F12/0646—Configuration or reconfiguration
- G06F12/0692—Multiconfiguration, e.g. local and global addressing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Description
図面における要素は簡明かつ平易に示されており、必ずしも縮尺に応じて描かれていないことが当業者には認められる。例えば、本発明の実施態様の理解の向上を補助するために、図面における要素の一部の寸法は他の要素に比べて誇張されている場合がある。
Claims (4)
- 第1のメモリ・アクセス・タイミング特性を有する第1のメモリと、第1のメモリ・アクセス・タイミング特性と異なる第2のメモリ・アクセス・タイミング特性を有する第2のメモリとを備える処理システムにおけるメモリ・アクセス・タイミングの制御方法において、
第1のメモリにアドレスを出力するアドレス出力工程と、
アドレスの一部を直接使用することによって、第1のメモリ・アクセス・タイミング特性を異なるメモリ・アクセス・タイミング特性に修正するメモリ・アクセス・タイミング特性修正工程とを含み、前記異なるメモリ・アクセス・タイミング特性は第2のメモリ・アクセス・タイミング特性である、方法。 - 第1のメモリ・アクセス・タイミング特性を修正するために使用したアドレスの一部を、第1のメモリをアドレス指定するために必要なアドレス・ビットを超える追加のアドレス・ビットとして実装するアドレス実装工程と、異なるメモリ・アクセス・タイミング特性として実装され得るアクセス・タイミング特性の数は追加のアドレス・ビットの総数によって決定されることとをさらに含む請求項1に記載の方法。
- 第1のメモリはフラッシュメモリであり、第2のメモリは静的ランダム・アクセス・メモリ(SRAM)であり、第2のメモリ・アクセス・タイミング特性は第1のメモリ・アクセス・タイミング特性より遅い、請求項1に記載の方法。
- バスと、
バスに接続されたバス・マスタと、
バスに接続され、かつ第1のメモリ・アクセス・タイミング特性を有する第1のメモリと、
第1のメモリはバス・マスタからアドレスを受信し、かつアドレスの一部を直接使用して第1のメモリ・アクセス・タイミング特性を第1のメモリ・アクセス・タイミング特性と異なる第2のメモリ・アクセス・タイミング特性に修正することと、第2のメモリ・アクセス・タイミング特性は第2のメモリに対するメモリ・アクセス・タイミング特性であることと、を含むデータ処理システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/393,592 | 2003-03-21 | ||
US10/393,592 US6925542B2 (en) | 2003-03-21 | 2003-03-21 | Memory management in a data processing system |
PCT/US2004/003093 WO2004095288A1 (en) | 2003-03-21 | 2004-02-04 | Memory management in a data processing system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006520969A JP2006520969A (ja) | 2006-09-14 |
JP4700604B2 true JP4700604B2 (ja) | 2011-06-15 |
Family
ID=32988183
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006508655A Expired - Fee Related JP4700604B2 (ja) | 2003-03-21 | 2004-02-04 | データ処理システムにおけるメモリ管理 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6925542B2 (ja) |
EP (1) | EP1609067A4 (ja) |
JP (1) | JP4700604B2 (ja) |
KR (1) | KR20050110006A (ja) |
TW (1) | TWI309771B (ja) |
WO (1) | WO2004095288A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7376807B2 (en) * | 2006-02-23 | 2008-05-20 | Freescale Semiconductor, Inc. | Data processing system having address translation bypass and method therefor |
US9304773B2 (en) * | 2006-03-21 | 2016-04-05 | Freescale Semiconductor, Inc. | Data processor having dynamic control of instruction prefetch buffer depth and method therefor |
US7401201B2 (en) * | 2006-04-28 | 2008-07-15 | Freescale Semiconductor, Inc. | Processor and method for altering address translation |
US20120230395A1 (en) * | 2011-03-11 | 2012-09-13 | Louis Joseph Kerofsky | Video decoder with reduced dynamic range transform with quantization matricies |
KR102453193B1 (ko) * | 2013-05-16 | 2022-10-11 | 어드밴스드 마이크로 디바이시즈, 인코포레이티드 | 영역-특정 메모리 액세스 스케줄링을 가진 메모리 시스템 |
KR20150044370A (ko) * | 2013-10-16 | 2015-04-24 | 삼성전자주식회사 | 이종 메모리들을 관리하는 시스템들 |
KR20170059239A (ko) * | 2015-11-20 | 2017-05-30 | 삼성전자주식회사 | 이종 메모리들을 포함하는 메모리 장치 및 메모리 시스템 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10208468A (ja) * | 1997-01-28 | 1998-08-07 | Hitachi Ltd | 半導体記憶装置並びに同期型半導体記憶装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE37305E1 (en) * | 1982-12-30 | 2001-07-31 | International Business Machines Corporation | Virtual memory address translation mechanism with controlled data persistence |
US5418924A (en) * | 1992-08-31 | 1995-05-23 | Hewlett-Packard Company | Memory controller with programmable timing |
US5553144A (en) * | 1993-03-11 | 1996-09-03 | International Business Machines Corporation | Method and system for selectively altering data processing system functional characteristics without mechanical manipulation |
US5809340A (en) * | 1993-04-30 | 1998-09-15 | Packard Bell Nec | Adaptively generating timing signals for access to various memory devices based on stored profiles |
US5440710A (en) * | 1994-03-08 | 1995-08-08 | Exponential Technology, Inc. | Emulation of segment bounds checking using paging with sub-page validity |
US6505282B1 (en) * | 1994-11-30 | 2003-01-07 | Intel Corporation | Method and apparatus for determining memory types of a multi-type memory subsystem where memory of the different types are accessed using column control signals with different timing characteristics |
US5623648A (en) | 1995-08-30 | 1997-04-22 | National Semiconductor Corporation | Controller for initiating insertion of wait states on a signal bus |
US6073223A (en) | 1997-07-21 | 2000-06-06 | Hewlett-Packard Company | Memory controller and method for intermittently activating and idling a clock signal for a synchronous memory |
US6438670B1 (en) * | 1998-10-02 | 2002-08-20 | International Business Machines Corporation | Memory controller with programmable delay counter for tuning performance based on timing parameter of controlled memory storage device |
US6282626B1 (en) * | 1999-07-15 | 2001-08-28 | 3Com Corporation | No stall read access-method for hiding latency in processor memory accesses |
-
2003
- 2003-03-21 US US10/393,592 patent/US6925542B2/en not_active Expired - Lifetime
- 2003-12-16 TW TW092135578A patent/TWI309771B/zh not_active IP Right Cessation
-
2004
- 2004-02-04 EP EP04708127A patent/EP1609067A4/en not_active Withdrawn
- 2004-02-04 WO PCT/US2004/003093 patent/WO2004095288A1/en active Application Filing
- 2004-02-04 KR KR1020057017279A patent/KR20050110006A/ko not_active Application Discontinuation
- 2004-02-04 JP JP2006508655A patent/JP4700604B2/ja not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10208468A (ja) * | 1997-01-28 | 1998-08-07 | Hitachi Ltd | 半導体記憶装置並びに同期型半導体記憶装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20050110006A (ko) | 2005-11-22 |
TW200506603A (en) | 2005-02-16 |
WO2004095288A1 (en) | 2004-11-04 |
TWI309771B (en) | 2009-05-11 |
US20040186973A1 (en) | 2004-09-23 |
EP1609067A4 (en) | 2008-04-16 |
US6925542B2 (en) | 2005-08-02 |
JP2006520969A (ja) | 2006-09-14 |
EP1609067A1 (en) | 2005-12-28 |
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