實(shí)時(shí)嵌入式操作系統(tǒng)的設(shè)計(jì)
1.6萬(wàn)字 34頁(yè)
包括開(kāi)題報(bào)告和任務(wù)書


摘 要
隨著微處理器的發(fā)展，種類繁多、價(jià)格低廉、結(jié)構(gòu)小巧的CPU和外設(shè)連接，提供了穩(wěn)定、可靠的硬件架構(gòu)?，F(xiàn)在嵌入式系統(tǒng)發(fā)展的瓶頸在軟件方面，尤其是操作系統(tǒng)的“嵌入式”化。由于Linux源碼的開(kāi)放性、簡(jiǎn)練、多任務(wù)、易移植、成本低等特性，成為諸多研究與應(yīng)用選擇的對(duì)象。隨著2.6內(nèi)核的發(fā)布，Linux向現(xiàn)有主流的實(shí)時(shí)操作系統(tǒng)提出了更大的挑戰(zhàn)，勢(shì)必能成為更優(yōu)秀的嵌入式操作系統(tǒng)。
本人一直以來(lái)都對(duì)Linux 操作系統(tǒng)很感興趣，并結(jié)合本專業(yè)，對(duì)Linux應(yīng)用于嵌入式實(shí)時(shí)環(huán)境進(jìn)行了一定的研究。深入探討了面向嵌入式實(shí)時(shí)環(huán)境的 Linux系統(tǒng)的體系結(jié)構(gòu)。論文首先概述了嵌入式系統(tǒng)及實(shí)時(shí)系統(tǒng)的發(fā)展情況，然后介紹Linux在實(shí)時(shí)領(lǐng)域的相關(guān)研究，其次講述了嵌入式Linux系統(tǒng)的構(gòu)造，最后描述了系統(tǒng)測(cè)試的策略，并就下一步可繼續(xù)進(jìn)行的工作進(jìn)行了展望。

關(guān)鍵詞： Linux；進(jìn)程；實(shí)時(shí)系統(tǒng)；嵌入式系統(tǒng)。


Design on the Kernel of Embedded Operating System



Abstract
With microprocessor development, a wide range of low price, compact structure of the CPU and peripherals and provide a stable, reliable hardware architecture. Embedded system development is now the bottleneck in the software, especially operating systems, "embedded" change. Due to the open-source Linux, concise, multi-task, multi-task and easy to transplant, and low cost characteristics, as many research and application of choice target. With release 2.6 of the kernel, Linux to the mainstream of the existing real-time operating system providers, the greater the challenge, is bound to become more outstanding Embedded operating system.
I got interest with Linux operating system several years ago. Combination my specialty, Then I did some research for real-time Linux. Based on these facts, this thesis demonstrates architecture and internals of Linux system used on embedded systems. The paper outlined the systems and embedded real-time system development, Then real-time Linux in the field of research, followed by about embedded Linux system in the structure, Description of the final system testing strategies, and on the next steps to continue the work forward.

Key words： Real Time System, Embedded System, process, Linux

目錄
1嵌入式實(shí)時(shí)系統(tǒng)概況 1
1.1 嵌入式系統(tǒng)概況 1
1.1.1 關(guān)于嵌入式系統(tǒng) 1
1.1.2 嵌入式系統(tǒng)的基本特征 2
1.1.3 典型的嵌入式系統(tǒng) 2
1.2 實(shí)時(shí)嵌入式系統(tǒng)概況 3
1.2.1 什么是實(shí)時(shí)嵌入式系統(tǒng) 3
1.2.2 實(shí)時(shí)嵌入式操作系統(tǒng) 4
2 Linux作為實(shí)時(shí)系統(tǒng)的分析 6
2.1 Linux內(nèi)核體系結(jié)構(gòu) 6
2.2 Linux進(jìn)程管理 7
2.2.1進(jìn)程描述符 8
2.2.2進(jìn)程調(diào)度 13
2.2.2搶占 16
2.2.3調(diào)度器的實(shí)時(shí)性能 18
3構(gòu)造嵌入式Linux系統(tǒng) 20
3.1 uClinux結(jié)局方案 20
3.2構(gòu)造潛入式Linux系統(tǒng) 21
3.2.1 構(gòu)建嵌入式Linux系統(tǒng)的幾個(gè)關(guān)鍵問(wèn)題 21
3.2.1 構(gòu)建嵌入式Linux系統(tǒng)的關(guān)鍵步驟 24
3.3 uClinux在ARMulator的移植 25
4測(cè)試方案 28
總結(jié) 29
致謝 30
參考文獻(xiàn) 31


參考文獻(xiàn)
[1]趙炯， Linux內(nèi)核完全注釋[M]， 北京：機(jī)械工業(yè)出版社
[2]鄭扣根， 操作系統(tǒng)概論[M]， 上海：高等教育出版社
[3]Andrew S.Tanenbaum， 現(xiàn)代操作系統(tǒng)[M]， 北京：機(jī)械工業(yè)出版社
[4]李蔚澤，Red Hat Linux 9系統(tǒng)管理[M]，北京：清華大學(xué)出版社
[5]KOO PMAN P. Embedded system design issues (the Rest of the Story)[A].Proceedings of 1996 .International Conference on Computer Design[C]. Austin: IEEE Computer Society
[6]BARABANVM, YODAIKENV. Introducing real-time Linux[J]，Linux Journa