doc/html/ref/fis-free-command.html

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  82 NAME="FIS-FREE-COMMAND">fis free</H1
  83 ><DIV
  84 CLASS="REFNAMEDIV"
  85 ><A
  86 NAME="AEN3991"
  87 ></A
  88 ><H2
  89 >Name</H2
  90 >fis free&nbsp;--&nbsp;Free flash image</DIV
  91 ><DIV
  92 CLASS="REFSYNOPSISDIV"
  93 ><A
  94 NAME="AEN3994"><H2
  95 >Synopsis</H2
  96 ><P
  97 ><B
  98 CLASS="COMMAND"
  99 >fis free</B
 100 > </P
 101 ></DIV
 102 ><DIV
 103 CLASS="REFSECT1"
 104 ><A
 105 NAME="AEN3997"
 106 ></A
 107 ><H2
 108 >Description</H2
 109 ><P
 110 >This command shows which areas of the flash memory are currently
 111 not in use. When a block contains non-erased contents it is considered
 112 in use. Since it is possible to force an image to be loaded at a
 113 particular flash location, this command can be used to check whether
 114 that location is in use by any other image.</P
 115 ><DIV
 116 CLASS="NOTE"
 117 ><BLOCKQUOTE
 118 CLASS="NOTE"
 119 ><P
 120 ><B
 121 >Note: </B
 122 >There is currently no cross-checking between actual flash
 123 contents and the FIS directory, which mans that there could be a
 124 segment of flash which is not erased that does not correspond to a
 125 named image, or vice-versa.</P
 126 ></BLOCKQUOTE
 127 ></DIV
 128 ></DIV
 129 ><DIV
 130 CLASS="REFSECT1"
 131 ><A
 132 NAME="AEN4002"
 133 ></A
 134 ><H2
 135 >Examples</H2
 136 ><P
 137 >Show free flash areas.
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 146 >RedBoot&#62; <TT
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 149 >fis free</B
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 151 >
 152         0xA0040000 .. 0xA07C0000
 153         0xA0840000 .. 0xA0FC0000</PRE
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