面向MHP的嵌入式Java虚拟机的移植与优化  

Transplantation and Optimization of Embedded Java Virtual Machine for MHP

作　　者：石学锋[1] 陈智[1] 李政道 

机构地区：[1]中国科学技术大学软件学院,合肥230052 [2]扬智电子(上海)有限公司系统应用处,上海200233

出　　处：《计算机工程》2007年第17期273-274,F0003,共3页Computer Engineering

摘　　要：为了增强MHP机顶盒的网络交互能力,必须构建Java运行环境。该文介绍了Java技术、MHP机顶盒软件结构模型、嵌入式Java虚拟机(JVM)概念以及开源Java虚拟机——Kaffe的软件层次结构,阐述了Kaffe在ALI公司数字电视机顶盒开发平台上移植的实现过程,提出了在嵌入式环境下,Java虚拟机执行引擎的性能优化策略。实际运行结果证明了JVM的移植性和性能优化策略的可行性。This paper enhances the ability of interaction of MHP set-top-box by constructing Java mntime environment as a necessary technical approach. It introduces Java technology, software structural model of MHP set-top-box, basic concept of embedded Java virtual machine（JVM） and software layered structure of Kaffe（an open-source Java virtual machine）. The process of Kaffe＇s transplantation and implementation on the platform of Ali＇s set-top-box is explained, the policy of performance optimization for Java virtual machine under embedded environment is presented. The final result proves that the success of transplantation and feasibility of policy about performance optimization for JVM＇s execution engine.

关 键 词：数字电视 机顶盒 JAVA虚拟机 多媒体家庭平台 

分 类 号：TP311.54[自动化与计算机技术—计算机软件与理论]