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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 >go</TITLE ><meta name="MSSmartTagsPreventParsing" content="TRUE"> <META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="eCos Reference Manual" HREF="ecos-ref.html"><LINK REL="UP" TITLE="Executing Programs from RedBoot" HREF="executing-programs.html"><LINK REL="PREVIOUS" TITLE="Executing Programs from RedBoot" HREF="executing-programs.html"><LINK REL="NEXT" TITLE="exec" HREF="exec-command.html"></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >eCos Reference Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="executing-programs.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="exec-command.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="GO-COMMAND">go</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN4515" ></A ><H2 >Name</H2 >go -- Execute a program</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN4518"><H2 >Synopsis</H2 ><P ><B CLASS="COMMAND" >go</B > [-w <TT CLASS="REPLACEABLE" ><I > timeout</I ></TT >] [<TT CLASS="REPLACEABLE" ><I > start_address</I ></TT >]</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN4525" ></A ><H2 >Arguments</H2 ><DIV CLASS="INFORMALTABLE" ><A NAME="AEN4527"><P ></P ><TABLE BORDER="1" CLASS="CALSTABLE" ><THEAD ><TR ><TH WIDTH="25%" ALIGN="LEFT" VALIGN="TOP" >Name</TH ><TH WIDTH="25%" ALIGN="LEFT" VALIGN="TOP" >Type</TH ><TH WIDTH="25%" ALIGN="LEFT" VALIGN="TOP" >Description</TH ><TH WIDTH="25%" ALIGN="LEFT" VALIGN="TOP" >Default</TH ></TR ></THEAD ><TBODY ><TR ><TD WIDTH="25%" ALIGN="LEFT" VALIGN="TOP" >-w <TT CLASS="REPLACEABLE" ><I >timeout</I ></TT ></TD ><TD WIDTH="25%" ALIGN="LEFT" VALIGN="TOP" >Number</TD ><TD WIDTH="25%" ALIGN="LEFT" VALIGN="TOP" >How long to wait before starting execution.</TD ><TD WIDTH="25%" ALIGN="LEFT" VALIGN="TOP" >0</TD ></TR ><TR ><TD WIDTH="25%" ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="REPLACEABLE" ><I >start_address</I ></TT ></TD ><TD WIDTH="25%" ALIGN="LEFT" VALIGN="TOP" >Number</TD ><TD WIDTH="25%" ALIGN="LEFT" VALIGN="TOP" >Address in memory to begin execution.</TD ><TD WIDTH="25%" ALIGN="LEFT" VALIGN="TOP" >Value set by last <B CLASS="COMMAND" >load</B > or <B CLASS="COMMAND" >fis load</B > command.</TD ></TR ></TBODY ></TABLE ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN4554" ></A ><H2 >Description</H2 ><P >The <B CLASS="COMMAND" >go</B > command causes RedBoot to give control of the target platform to another program. This program must execute stand alone, e.g. an eCos application or a Linux kernel. </P ><P >If the -w option is used, RedBoot will print a message and then wait for a period of time before starting the execution. This is most useful in a script, giving the user a chance to abort executing a program and move on in the script. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN4559" ></A ><H2 >Examples</H2 ><P >Execute a program - <SPAN CLASS="emphasis" ><I CLASS="EMPHASIS" >no explicit output from RedBoot</I ></SPAN >. <TABLE BORDER="5" BGCOLOR="#E0E0F0" WIDTH="70%" ><TR ><TD ><PRE CLASS="SCREEN" >RedBoot> <TT CLASS="USERINPUT" ><B >go 0x40040</B ></TT ></PRE ></TD ></TR ></TABLE > </P ><P >Execute a program with a timeout. <TABLE BORDER="5" BGCOLOR="#E0E0F0" WIDTH="70%" ><TR ><TD ><PRE CLASS="SCREEN" >RedBoot> <TT CLASS="USERINPUT" ><B >go -w 10</B ></TT > About to start execution at 0x00000000 - abort with ^C within 10 seconds ^C RedBoot></PRE ></TD ></TR ></TABLE > Note that the starting address was implied (0x00000000 in this example). The user is prompted that execution will commence in 10 seconds. At anytime within that 10 seconds the user may type <SPAN CLASS="GUIBUTTON" >Ctrl+C</SPAN > on the console and RedBoot will abort execution and return for the next command, either from a script or the console. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="executing-programs.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ecos-ref.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="exec-command.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Executing Programs from RedBoot</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="executing-programs.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >exec</TD ></TR ></TABLE ></DIV ></BODY ></HTML >
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