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📁 有关ecos2。0介绍了实时嵌入式的结构以及线程调度的实现和内存的管理等
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<!-- Copyright (C) 2003 Red Hat, Inc.                                --><!-- This material may be distributed only subject to the terms      --><!-- and conditions set forth in the Open Publication License, v1.0  --><!-- or later (the latest version is presently available at          --><!-- http://www.opencontent.org/openpub/).                           --><!-- Distribution of the work or derivative of the work in any       --><!-- standard (paper) book form is prohibited unless prior           --><!-- permission is obtained from the copyright holder.               --><HTML><HEAD><TITLE>ARM/ARM7+ARM9 ARM Integrator</TITLE><meta name="MSSmartTagsPreventParsing" content="TRUE"><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+"><LINKREL="HOME"TITLE="eCos Reference Manual"HREF="ecos-ref.html"><LINKREL="UP"TITLE="Installation and Testing"HREF="installation-and-testing.html"><LINKREL="PREVIOUS"TITLE="ARM/ARM7 ARM Evaluator7T"HREF="e7t.html"><LINKREL="NEXT"TITLE="ARM/ARM7+ARM9 ARM PID Board and EPI Dev7+Dev9"HREF="pid.html"></HEAD><BODYCLASS="SECT1"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLESUMMARY="Header navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">eCos Reference Manual</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="e7t.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom">Chapter 5. Installation and Testing</TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="pid.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="SECT1"><H1CLASS="SECT1"><ANAME="INTEGRATOR">ARM/ARM7+ARM9 ARM Integrator</H1><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN5130">Overview</H2><P>RedBoot supportsboth serial ports for communication and downloads. The default serial portsettings are 38400,8,N,1.</P><P>The following RedBoot configurations are supported:      <DIVCLASS="INFORMALTABLE"><ANAME="AEN5140"><P></P><TABLEBORDER="1"CLASS="CALSTABLE"><THEAD><TR><THALIGN="LEFT"VALIGN="TOP">Configuration</TH><THALIGN="LEFT"VALIGN="TOP">Mode</TH><THALIGN="LEFT"VALIGN="TOP">Description</TH><THALIGN="LEFT"VALIGN="TOP">File</TH></TR></THEAD><TBODY><TR><TDALIGN="LEFT"VALIGN="TOP">ROM</TD><TDALIGN="LEFT"VALIGN="TOP">[ROM]</TD><TDALIGN="LEFT"VALIGN="TOP">RedBoot running from the board's flash boot	      sector.</TD><TDALIGN="LEFT"VALIGN="TOP">redboot_ROM.ecm</TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP">RAM</TD><TDALIGN="LEFT"VALIGN="TOP">[RAM]</TD><TDALIGN="LEFT"VALIGN="TOP">RedBoot running from RAM with RedBoot in the	      flash boot sector.</TD><TDALIGN="LEFT"VALIGN="TOP">redboot_RAM.ecm</TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP">ROMRAM</TD><TDALIGN="LEFT"VALIGN="TOP">[ROMRAM]</TD><TDALIGN="LEFT"VALIGN="TOP">RedBoot running from RAM, but contained in the	      board's flash boot sector.</TD><TDALIGN="LEFT"VALIGN="TOP">redboot_ROMRAM.ecm</TD></TR></TBODY></TABLE><P></P></DIV></P></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN5164">Initial Installation</H2><P>RedBoot is installed using the on-board bootPROM environment. See the usermanual for full details.</P></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN5167">Quick download instructions</H2><P>Here are quick start instructions for downloading the prebuilt Redbootimage:</P><P></P><UL><LI><P>Set DIP switch S1[1] to the ON position and reset orpower the board up. You will see the bootPROM startup message onserial port A (J14):</P><TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="SCREEN">Initialising...ARM bootPROM [Version 1.3] Rebuilt on Jun 26 2001 at 22:04:10Running on a Integrator Evaluation BoardBoard Revision V1.0, ARM966E-S ProcessorMemory Size is 16MBytes, Flash Size is 32MBytesCopyright (c) ARM Limited 1999 - 2001. All rights reserved.Board designed by ARM LimitedHardware support provided at http://www.arm.com/For help on the available commands type ? or hboot Monitor &#62;</PRE></TD></TR></TABLE></LI><LI><P>Issue the FLASH ROM load command:</P><TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="SCREEN">boot Monitor &#62; <TTCLASS="USERINPUT"><B>L</B></TT>Load Motorola S-Records into flashDeleting Image 0The S-Record loader only accepts input on the serial port.Type Ctrl/C to exit loader.</PRE></TD></TR></TABLE></LI><LI><P>Either use the ASCII transmit option in the terminal emulator,or on Linux, simply cat the file to the serial port:</P><TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="SCREEN">$ <TTCLASS="USERINPUT"><B>cat redboot.srec &#62; /dev/ttyS0</B></TT></PRE></TD></TR></TABLE><P>When complete, type Ctrl-C and you should see something similar to:</P><TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="SCREEN">....................................................................................Downloaded 5,394 records in 81 seconds.Overwritten block/s    0boot Monitor &#62;</PRE></TD></TR></TABLE></LI><LI><P>Set DIP switch S1[1] to the OFF position and rebootthe board and you should see the RedBoot banner.</P></LI></UL></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN5186">Special RedBoot Commands</H2><P>None.</P></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN5189">Memory Maps</H2><P>RedBoot sets up the following memory map on the Integrator board. <DIVCLASS="NOTE"><BLOCKQUOTECLASS="NOTE"><P><B>NOTE: </B>The virtual memory maps in this section use a C and B column to indicatewhether or not the region is cached (C) or buffered (B).</P></BLOCKQUOTE></DIV><TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="PROGRAMLISTING">&#13;ARM7TDMI--------Physical Address Range  C B  Description----------------------- - -  -----------0x00000000 - 0x0007ffff N N  SSRAM0x00080000 - 0x0fffffff N N  SDRAM (depends on part fitted)0x10000000 - 0x1fffffff N N  System control and peripheral registers0x20000000 - 0x23ffffff N N  Boot ROM (contains boot Monitor)0x24000000 - 0x27ffffff N N  FLASH ROM (contains RedBoot)0x28000000 - 0x2bffffff N N  SSRAM echo area0x40000000 - 0x5fffffff N N  PCI Memory access windows0x60000000 - 0x60ffffff N N  PCI IO access window0x61000000 - 0x61ffffff N N  PCI config space window0x62000000 - 0x6200ffff N N  PCI bridge register window0x80000000 - 0x8fffffff N N  SDRAM echo area (used for PCI accesses)ARM966E-------Physical Address Range  C B  Description----------------------- - -  -----------0x00000000 - 0x000fffff N N  SSRAM0x00100000 - 0x0fffffff N N  SDRAM (depends on part fitted)0x10000000 - 0x1fffffff N N  System control and peripheral registers0x20000000 - 0x23ffffff N N  Boot ROM (contains boot Monitor)0x24000000 - 0x27ffffff N N  FLASH ROM (contains RedBoot)0x28000000 - 0x2bffffff N N  SSRAM echo area0x40000000 - 0x5fffffff N N  PCI Memory access windows0x60000000 - 0x60ffffff N N  PCI IO access window0x61000000 - 0x61ffffff N N  PCI config space window0x62000000 - 0x6200ffff N N  PCI bridge register window0x80000000 - 0x8fffffff N N  SDRAM echo area (used for PCI accesses)&#13;</PRE></TD></TR></TABLE></P></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN5196">Rebuilding RedBoot</H2><P>These shell variables provide the platform-specific informationneeded for building RedBoot according to the procedure described in<AHREF="rebuilding-redboot.html">Chapter 3</A>:<TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="PROGRAMLISTING">export TARGET=integratorexport ARCH_DIR=armexport PLATFORM_DIR=integrator</PRE></TD></TR></TABLE></P><P>The names of configuration files are listed above with thedescription of the associated modes.</P></DIV></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLESUMMARY="Footer navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="e7t.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="ecos-ref.html"ACCESSKEY="H">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="pid.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">ARM/ARM7 ARM Evaluator7T</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="installation-and-testing.html"ACCESSKEY="U">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">ARM/ARM7+ARM9 ARM PID Board and EPI Dev7+Dev9</TD></TR></TABLE></DIV></BODY></HTML>

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