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><H1
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><A
NAME="SETUP-SPARCLITE-SLEB">SPARClite Hardware Setup</H1
><P
>The eCos Developer’s Kit package comes with a ROM
which provides GDB support for the Fujitsu SPARClite Evaluation
Board by way of CygMon<SPAN
CLASS="PRODUCTNAME"
>. </SPAN
></P
><P
>An image of this ROM is also provided at
<TT
CLASS="FILENAME"
>BASE_DIR/loaders/sparclite-sleb/cygmon.bin.</TT
> The
ROM is installed in socket IC9 on the evaluation board. Attention
should be paid to the correct orientation of the ROM during installation.</P
><P
>The GDB stub allows communication with GDB using a TCP channel
via the ethernet port at connector J5.</P
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN3509">Ethernet Setup</H2
><P
>The ethernet setup is described in the board’s manual,
but here is a recapitulation.</P
><P
>Set the board’s ethernet address using SW1 on the
motherboard:</P
><TABLE
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><TD
><PRE
CLASS="PROGRAMLISTING"
> SW1-4 SW1-3 SW1-2 SW1-1 Ethernet Address
----- ----- ----- ----- ----------------
OFF OFF OFF OFF No ethernet, use serial
OFF OFF OFF ON 00:00:0E:31:00:01
OFF OFF ON OFF 00:00:0E:31:00:02
OFF OFF ON ON 00:00:0E:31:00:03
OFF ON OFF OFF 00:00:0E:31:00:04
OFF ON OFF ON 00:00:0E:31:00:05
OFF ON ON OFF 00:00:0E:31:00:06
OFF ON ON ON 00:00:0E:31:00:07
ON OFF OFF OFF 00:00:0E:31:00:08
ON OFF OFF ON 00:00:0E:31:00:09
ON OFF ON OFF 00:00:0E:31:00:0A
ON OFF ON ON 00:00:0E:31:00:0B
ON ON OFF OFF 00:00:0E:31:00:0C
ON ON OFF ON 00:00:0E:31:00:0D
ON ON ON OFF 00:00:0E:31:00:0E
ON ON ON ON 00:00:0E:31:00:0F</PRE
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><H3
CLASS="SECT3"
><A
NAME="AEN3514">BOOTP/DHCP service on Linux</H3
><P
>Configure the BOOTP or DHCP server on the network to recognize
the evaluation board’s ethernet address so it can assign
the board an IP address. Below is a sample DHCP server configuration
from a Linux system (<TT
CLASS="FILENAME"
>/etc/dhcpd.conf</TT
>).
It shows a setup for three evaluation boards.</P
><TABLE
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><PRE
CLASS="PROGRAMLISTING"
>#
# DHCP server configuration.
#
allow bootp;
subnet 192.168.1.0 netmask 255.255.255.0 {
host mb831evb {
hardware ethernet 00:00:0e:31:00:01;
fixed-address mb831evb;
}
host mb832evb {
hardware ethernet 00:00:0e:31:00:02;
fixed-address mb832evb;
}
host mb833evb {
hardware ethernet 00:00:0e:31:00:03;
fixed-address mb833evb;
}
} </PRE
></TD
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><DIV
CLASS="SECT3"
><H3
CLASS="SECT3"
><A
NAME="AEN3519">BOOTP/DHCP boot process</H3
><P
>Even when configured to use a TCP channel, CygMon will still
print a boot message to the serial channel. If the BOOTP process
was successful and an IP address was found, a message “BOOTP
found xxx.xxx.xxx.xxx” will be printed where xxx.xxx.xxx.xxx
is the IP address assigned by the BOOTP or DHCP server. If the BOOTP
process fails, a message indicating failure will be printed and
the serial port will be used as the debug channel.</P
><P
>Once the board finds an IP address it will respond to ICMP
echo request packets (ping). This gives a simple means to test the
health of the board.</P
><P
>As described in “Ethernet Setup” on page 72,
it should now be possible to connect to the SPARClite board from
within GDB by using the command:</P
><TABLE
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><TD
><PRE
CLASS="PROGRAMLISTING"
>(gdb) target remote <host>:1000</PRE
></TD
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CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN3525">Serial Setup</H2
><P
>The CygMon stubs also allow communication with GDB by way
of the serial port at connector CON1. The communication parameters
are fixed at 19200 baud, 8 data bits, no parity bit and 1 stop bit
(8-N-1). No flow control is employed. Connection to the host computer
should be made using a null modem cable. A gender changer may also
be required.</P
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