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<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
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<!-- Distribution of the work or derivative of the work in any       -->
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<HTML
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><HEAD
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><TITLE
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>cache</TITLE
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><meta name="MSSmartTagsPreventParsing" content="TRUE">
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<META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
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"><LINK
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REL="HOME"
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TITLE="eCos Reference Manual"
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HREF="ecos-ref.html"><LINK
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TITLE="Common Commands"
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HREF="common-commands.html"><LINK
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TITLE="baudrate"
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SUMMARY="Header navigation table"
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><TR
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><TH
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>eCos Reference Manual</TH
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><TR
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><TD
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WIDTH="10%"
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><A
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HREF="baudrate-command.html"
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>Prev</A
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><A
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HREF="channel-command.html"
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>Next</A
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></TD
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><H1
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><A
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NAME="CACHE-COMMAND">cache</H1
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><DIV
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CLASS="REFNAMEDIV"
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><A
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NAME="AEN3044"
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></A
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><H2
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>Name</H2
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>cache&nbsp;--&nbsp;Control hardware caches</DIV
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><DIV
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CLASS="REFSYNOPSISDIV"
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><A
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NAME="AEN3047"><H2
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>Synopsis</H2
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><P
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><B
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CLASS="COMMAND"
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>cache</B
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>  [on | off]</P
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></DIV
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><DIV
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><A
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NAME="AEN3053"
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></A
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><H2
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>Arguments</H2
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><DIV
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CLASS="INFORMALTABLE"
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><A
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NAME="AEN3055"><P
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></P
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><TABLE
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BORDER="1"
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><THEAD
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><TH
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>Name</TH
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><TH
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>Type</TH
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><TH
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>Description</TH
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><TH
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WIDTH="25%"
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>Default</TH
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></THEAD
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><TBODY
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><TR
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><TD
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WIDTH="25%"
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>on</TD
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><TD
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>&nbsp;</TD
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><TD
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WIDTH="25%"
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>Turn the caches on</TD
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><TD
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WIDTH="25%"
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><SPAN
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CLASS="emphasis"
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><I
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>none</I
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><TD
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WIDTH="25%"
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>off</TD
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><TD
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>&nbsp;</TD
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><TD
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WIDTH="25%"
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>Turn the caches off</TD
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><TD
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WIDTH="25%"
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><SPAN
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CLASS="emphasis"
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>none</I
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NAME="AEN3080"
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>Description</H2
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><P
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>The <B
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CLASS="COMMAND"
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>cache</B
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> command is used to manipulate the caches on the processor. </P
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><P
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>With no options, this command specifies the state of the system caches.</P
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><P
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>When an option is given, the caches are turned off or on appropriately.</P
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NAME="AEN3086"
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>Examples</H2
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><P
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>Show the current cache state.
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>
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RedBoot&#62; <TT
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><B
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>cache</B
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></TT
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>
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Data cache: On, Instruction cache: On</PRE
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></TD
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> </P
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><P
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>Disable the caches.
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<TABLE
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>
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RedBoot&#62; <TT
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><B
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>cache off</B
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></TT
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>
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RedBoot&#62; <TT
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CLASS="USERINPUT"
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><B
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>cache</B
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></TT
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>
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Data cache: Off, Instruction cache: Off</PRE
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></TD
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> </P
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><P
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>Enable the caches.
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>
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RedBoot&#62; <TT
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><B
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>cache on</B
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></TT
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>
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RedBoot&#62; <TT
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CLASS="USERINPUT"
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><B
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>cache</B
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></TT
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>
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Data cache: On, Instruction cache: On</PRE
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></TD
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>
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      </P
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WIDTH="33%"
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HREF="baudrate-command.html"
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>Prev</A
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>Home</A
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>baudrate</TD
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>Up</A
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>channel</TD
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