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>cache</TITLE
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><H1
><A
NAME="CACHE-COMMAND">cache</H1
><DIV
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><A
NAME="AEN3044"
></A
><H2
>Name</H2
>cache -- Control hardware caches</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN3047"><H2
>Synopsis</H2
><P
><B
CLASS="COMMAND"
>cache</B
> [on | off]</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN3053"
></A
><H2
>Arguments</H2
><DIV
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></P
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>Name</TH
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>Type</TH
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>Description</TH
><TH
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>Default</TH
></TR
></THEAD
><TBODY
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><TD
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>on</TD
><TD
WIDTH="25%"
ALIGN="LEFT"
VALIGN="TOP"
> </TD
><TD
WIDTH="25%"
ALIGN="LEFT"
VALIGN="TOP"
>Turn the caches on</TD
><TD
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ALIGN="LEFT"
VALIGN="TOP"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>none</I
></SPAN
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><TR
><TD
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>off</TD
><TD
WIDTH="25%"
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> </TD
><TD
WIDTH="25%"
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VALIGN="TOP"
>Turn the caches off</TD
><TD
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ALIGN="LEFT"
VALIGN="TOP"
><SPAN
CLASS="emphasis"
><I
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>none</I
></SPAN
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><P
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><DIV
CLASS="REFSECT1"
><A
NAME="AEN3080"
></A
><H2
>Description</H2
><P
>The <B
CLASS="COMMAND"
>cache</B
> command is used to manipulate the caches on the processor. </P
><P
>With no options, this command specifies the state of the system caches.</P
><P
>When an option is given, the caches are turned off or on appropriately.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN3086"
></A
><H2
>Examples</H2
><P
>Show the current cache state.
<TABLE
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WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>
RedBoot> <TT
CLASS="USERINPUT"
><B
>cache</B
></TT
>
Data cache: On, Instruction cache: On</PRE
></TD
></TR
></TABLE
> </P
><P
>Disable the caches.
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><TD
><PRE
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>
RedBoot> <TT
CLASS="USERINPUT"
><B
>cache off</B
></TT
>
RedBoot> <TT
CLASS="USERINPUT"
><B
>cache</B
></TT
>
Data cache: Off, Instruction cache: Off</PRE
></TD
></TR
></TABLE
> </P
><P
>Enable the caches.
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><PRE
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>
RedBoot> <TT
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><B
>cache on</B
></TT
>
RedBoot> <TT
CLASS="USERINPUT"
><B
>cache</B
></TT
>
Data cache: On, Instruction cache: On</PRE
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>
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