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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 >fis free</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="Flash Image System (FIS)" HREF="flash-image-system.html"><LINK REL="PREVIOUS" TITLE="fis list" HREF="fis-list-command.html"><LINK REL="NEXT" TITLE="fis create" HREF="fis-create-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="fis-list-command.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="fis-create-command.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="FIS-FREE-COMMAND">fis free</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN3991" ></A ><H2 >Name</H2 >fis free -- Free flash image</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN3994"><H2 >Synopsis</H2 ><P ><B CLASS="COMMAND" >fis free</B > </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3997" ></A ><H2 >Description</H2 ><P >This command shows which areas of the flash memory are currently not in use. When a block contains non-erased contents it is considered in use. Since it is possible to force an image to be loaded at a particular flash location, this command can be used to check whether that location is in use by any other image.</P ><DIV CLASS="NOTE" ><BLOCKQUOTE CLASS="NOTE" ><P ><B >Note: </B >There is currently no cross-checking between actual flash contents and the FIS directory, which mans that there could be a segment of flash which is not erased that does not correspond to a named image, or vice-versa.</P ></BLOCKQUOTE ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN4002" ></A ><H2 >Examples</H2 ><P >Show free flash areas. <TABLE BORDER="5" BGCOLOR="#E0E0F0" WIDTH="70%" ><TR ><TD ><PRE CLASS="SCREEN" >RedBoot> <TT CLASS="USERINPUT" ><B >fis free</B ></TT > 0xA0040000 .. 0xA07C0000 0xA0840000 .. 0xA0FC0000</PRE ></TD ></TR ></TABLE ></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="fis-list-command.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="fis-create-command.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >fis list</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="flash-image-system.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >fis create</TD ></TR ></TABLE ></DIV ></BODY ></HTML >
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