[1]祝晓林[][],张健[],李楠[]. 基于SPARC的地址非对齐异常处理研究[J].计算机技术与发展,2015,25(04):18-21.
　ZHU Xiao-lin[][],ZHANG Jian[],LI Nan[]. Research on Memory Access to Un-aligned Addresses Exception Based on SPARC[J].,2015,25(04):18-21.
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 基于SPARC的地址非对齐异常处理研究()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
25
期数:
2015年04期
页码:
18-21
栏目:
智能、算法、系统工程
出版日期:
2015-04-10

文章信息/Info

Title:
 Research on Memory Access to Un-aligned Addresses Exception Based on SPARC
文章编号:
1673-629X（2015)04-0018-04
作者:
 祝晓林[1][2];  张健[2] ; 李楠[2]
 1.中国科学院大学；2. 中国科学院 空间应用工程与技术中心
Author(s):
 ZHU Xiao-lin[1][2];  ZHANG Jian[2] ; LI Nan[2]
关键词:
 ; VxWorks; SPARC V8 ; 异常处理; 地址非对齐
Keywords:
 ; VxWorks; SPARC V8; exception handling; memory access to un-aligned addresses
分类号:
TP31
文献标志码:
A
摘要:
 高可靠嵌入式系统中的异常处理策略是评估该系统可靠性的一个重要指标,尤其对于军工、航天等方面的应用。文中基于宇航级CPU AT697F和军用实时操作系统VxWorks,分析了SPARC V8体系结构下VxWorks的异常处理机制,并详细介绍SPARC V8体系结构特有的寄存器窗口机制以及该机制结合VxWorks操作系统的具体实现。在此基础上,提出了针对SPARC V8体系结构的一种异常处理策略,并基于该策略完成了内存地址非对齐访问的异常处理,提高了嵌入式实时系统的可靠性。
Abstract:
 Exception handling strategy is a very important indicator in evaluating reliability level of embedded system,especially in the field of war industry,space industry and so on. Based on space flight standard CPU AT697F and real time operating system VxWorks,an-alyze the VxWorks exception handling strategy for SPARC,then illustrate register window mechanism of SPARC V8 architecture in detail and special implementation of this mechanism combined with VxWorks. Based on this,introduce an exception handling strategy according to SPARC V8,and implement the exception handling function to solve memory access to un-aligned addresses exception,improving the reliability of the system effectively.

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更新日期/Last Update: 2015-06-02