📄 cache-command.html
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><H1
><A
NAME="CACHE-COMMAND"
></A
>cache</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN671"
></A
><H2
>Name</H2
>cache -- Control hardware caches</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN674"
></A
><H2
>Synopsis</H2
><P
><B
CLASS="COMMAND"
>cache</B
> [on | off]</P
></DIV
><DIV
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><A
NAME="AEN680"
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><H2
>Arguments</H2
><DIV
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><TR
><TH
>Name</TH
><TH
>Type</TH
><TH
>Description</TH
><TH
>Default</TH
></TR
></THEAD
><TBODY
><TR
><TD
>on</TD
><TD
> </TD
><TD
>Turn the caches on</TD
><TD
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>none</I
></SPAN
></TD
></TR
><TR
><TD
>off</TD
><TD
> </TD
><TD
>Turn the caches off</TD
><TD
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>none</I
></SPAN
></TD
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></TABLE
><P
></P
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></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN707"
></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="AEN713"
></A
><H2
>Examples</H2
><P
>Show the current cache state.
<TABLE
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><TR
><TD
><PRE
CLASS="SCREEN"
>
RedBoot> <KBD
CLASS="USERINPUT"
>cache</KBD
>
Data cache: On, Instruction cache: On</PRE
></TD
></TR
></TABLE
> </P
><P
>Disable the caches.
<TABLE
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BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>
RedBoot> <KBD
CLASS="USERINPUT"
>cache off</KBD
>
RedBoot> <KBD
CLASS="USERINPUT"
>cache</KBD
>
Data cache: Off, Instruction cache: Off</PRE
></TD
></TR
></TABLE
> </P
><P
>Enable the caches.
<TABLE
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><TR
><TD
><PRE
CLASS="SCREEN"
>
RedBoot> <KBD
CLASS="USERINPUT"
>cache on</KBD
>
RedBoot> <KBD
CLASS="USERINPUT"
>cache</KBD
>
Data cache: On, Instruction cache: On</PRE
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>
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