以太网如何在飞思卡尔MPC8555E嵌入式平台与FreeBSD系统上工作?

P. Kruszynski, S. Sobieski
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引用次数: 1

摘要

本文的主要目的是让读者了解以太网控制器是如何在飞思卡尔公司生产的MPC8555E嵌入式平台上工作的。本文将讨论在硬件上运行固件和FreeBSD加载程序时,计算机上电过程中与以太网性能相关的问题。另一个将要描述的问题是FreeBSD内核提供的网络控制器管理。最后一部分将提到固件(池)和内核网络实现(中断)之间的一些区别。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
How does ethernet work on freescale MPC8555E embedded platform with FreeBSD system?
The main purpose of this paper is to provide the reader with some insight into how Ethernet controller works on MPC8555E embedded platform produced by Freescale company. The paper will deal with the problems connected with Ethernet performance during power-up of computer when firmware is running on the hardware and later when FreeBSD loader works. Another problem which will be described is network controller management that is provided by FreeBSD kernel. The last part will mention some differences between firmware (pooling) and kernel network implementation (interrupt).
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