--- /dev/null
+<!-- Copyright (C) 2003 Red Hat, Inc. -->
+<!-- This material may be distributed only subject to the terms -->
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+><HEAD
+><TITLE
+>mcmp</TITLE
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+BORDER="0"
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+COLSPAN="3"
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+>eCos Reference Manual</TH
+></TR
+><TR
+><TD
+WIDTH="10%"
+ALIGN="left"
+VALIGN="bottom"
+><A
+HREF="download-command.html"
+ACCESSKEY="P"
+>Prev</A
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+ACCESSKEY="N"
+>Next</A
+></TD
+></TR
+></TABLE
+><HR
+ALIGN="LEFT"
+WIDTH="100%"></DIV
+><H1
+><A
+NAME="MCMP-COMMAND">mcmp</H1
+><DIV
+CLASS="REFNAMEDIV"
+><A
+NAME="AEN3581"
+></A
+><H2
+>Name</H2
+>mcmp -- Compare two segments of memory</DIV
+><DIV
+CLASS="REFSYNOPSISDIV"
+><A
+NAME="AEN3584"><H2
+>Synopsis</H2
+><P
+><B
+CLASS="COMMAND"
+>mcmp</B
+> {-s <TT
+CLASS="REPLACEABLE"
+><I
+>location1</I
+></TT
+>} {-d <TT
+CLASS="REPLACEABLE"
+><I
+>location1</I
+></TT
+>} {-l <TT
+CLASS="REPLACEABLE"
+><I
+>length</I
+></TT
+>} [-1 | -2 | -4]</P
+></DIV
+><DIV
+CLASS="REFSECT1"
+><A
+NAME="AEN3597"
+></A
+><H2
+>Arguments</H2
+><DIV
+CLASS="INFORMALTABLE"
+><A
+NAME="AEN3599"><P
+></P
+><TABLE
+BORDER="1"
+CLASS="CALSTABLE"
+><THEAD
+><TR
+><TH
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>Name</TH
+><TH
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>Type</TH
+><TH
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>Description</TH
+><TH
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>Default</TH
+></TR
+></THEAD
+><TBODY
+><TR
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>-s <TT
+CLASS="REPLACEABLE"
+><I
+>location1</I
+></TT
+></TD
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>Memory address</TD
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>Location for start of data.</TD
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+><SPAN
+CLASS="emphasis"
+><I
+CLASS="EMPHASIS"
+>none</I
+></SPAN
+></TD
+></TR
+><TR
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>-d <TT
+CLASS="REPLACEABLE"
+><I
+>location2</I
+></TT
+></TD
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>Memory address</TD
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>Location for start of data.</TD
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+><SPAN
+CLASS="emphasis"
+><I
+CLASS="EMPHASIS"
+>none</I
+></SPAN
+></TD
+></TR
+><TR
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>-l <TT
+CLASS="REPLACEABLE"
+><I
+>length</I
+></TT
+></TD
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>Number</TD
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>Length of data</TD
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+><SPAN
+CLASS="emphasis"
+><I
+CLASS="EMPHASIS"
+>none</I
+></SPAN
+></TD
+></TR
+><TR
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>-1</TD
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+> </TD
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>Access one byte (8 bits) at a time.
+Only the least significant 8 bits of the pattern will be used.</TD
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>-4</TD
+></TR
+><TR
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>-2</TD
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+> </TD
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>Access two bytes (16 bits) at a time.
+Only the least significant 16 bits of the pattern will be used.</TD
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>-4</TD
+></TR
+><TR
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>-4</TD
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+> </TD
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>Access one word (32 bits) at a time.</TD
+><TD
+WIDTH="25%"
+ALIGN="LEFT"
+VALIGN="TOP"
+>-4</TD
+></TR
+></TBODY
+></TABLE
+><P
+></P
+></DIV
+></DIV
+><DIV
+CLASS="REFSECT1"
+><A
+NAME="AEN3648"
+></A
+><H2
+>Description</H2
+><P
+>Compares the contents of two ranges of memory (RAM, ROM, FLASH, etc).</P
+></DIV
+><DIV
+CLASS="REFSECT1"
+><A
+NAME="AEN3651"
+></A
+><H2
+>Examples</H2
+><P
+>Compare two buffers which match (result is <SPAN
+CLASS="emphasis"
+><I
+CLASS="EMPHASIS"
+>quiet</I
+></SPAN
+>).
+<TABLE
+BORDER="5"
+BGCOLOR="#E0E0F0"
+WIDTH="70%"
+><TR
+><TD
+><PRE
+CLASS="SCREEN"
+>
+RedBoot> <TT
+CLASS="USERINPUT"
+><B
+>mfill -b 0x100000 -l 0x20 -p 0xDEADFACE</B
+></TT
+>
+RedBoot> <TT
+CLASS="USERINPUT"
+><B
+>mfill -b 0x200000 -l 0x20 -p 0xDEADFACE</B
+></TT
+>
+RedBoot> <TT
+CLASS="USERINPUT"
+><B
+>mcmp -s 0x100000 -d 0x200000 -l 0x20</B
+></TT
+></PRE
+></TD
+></TR
+></TABLE
+> </P
+><P
+>Compare two buffers which don't match.
+Only the first non-matching element is displayed.
+<TABLE
+BORDER="5"
+BGCOLOR="#E0E0F0"
+WIDTH="70%"
+><TR
+><TD
+><PRE
+CLASS="SCREEN"
+>
+RedBoot> <TT
+CLASS="USERINPUT"
+><B
+>mcmp -s 0x100000 -d 0x200000 -l 0x30 -2</B
+></TT
+>
+Buffers don't match - 0x00100020=0x6000, 0x00200020=0x0000</PRE
+></TD
+></TR
+></TABLE
+>
+ </P
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+>load</TD
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+>
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projects / karo-tx-redboot.git / blobdiff