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Design on Memory Management in Embedded MINIX Operating System

Author: HeZuo
Tutor: ZhouYuBin
School: Lanzhou University
Course: Computational Mathematics
Keywords: Embedded operating system MINIX 3 Memory Management PM ARM MMU
CLC: TP316
Type: Master's thesis
Year: 2008
Downloads: 176
Quote: 1
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Abstract


The research and development of embedded systems has become a hot topic in the field of information technology . Than ordinary desktop operating systems , embedded systems by factors such as costs, equipment size and battery constraints , are generally quite limited memory capacity , the need for efficient use . Moreover, many embedded systems stakes , must be safe to run , in order to avoid the disastrous consequences , memory management must be very reliable . MINIX is a multitasking general - purpose operating system , the modular structure of the organization , with high reliability , flexibility and security . \The main work of this paper is to study the embedded operating system, memory management , and analysis of some commonly used technology in the field , and pointed out their characteristics and applicable conditions . For the target platform and the ARM microprocessor designed to support MMU and MMU does not support embedded MIMIX memory management strategy . MINIX 3 supports the MMU increase in MINIX 3 kernel memory interface to access the system hardware and the original paging memory management design . Through improved MINIX 3 memory allocation strategy for non - MMU design , improved memory utilization , and reduce fragmentation . MINIX 3 memory management allowing more in line with the requirements of embedded systems .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Operating system
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