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Date: Sat, 7 Mar 2009 21:29:47 +0530
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Subject: KGDB over serial on xilinx virtex-5 (ppc440)
From: srikanth krishnakar <skrishnakar@gmail.com>
To: Linuxppc-dev@ozlabs.org
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Hi all,

Has anybody  tested KGDBOC in linux-2.6.28 for Xilinx Virtex-5 PowerPC
target boards..

I just see that KGDB waits for remote connection from GDB host, but
unfortunately


Command line arguments were :

console=ttyS0 ip=bootp root=/dev/nfs rw kgdboc=ttyS0 kgdbwait

The test is been done on xilinx virtex-5 ppc440 target

Target side:

----------------
Serial: 8250/16550 driver4 ports, IRQ sharing disabled
83e00000.serial: ttyS0 at MMIO 0x83e01003 (irq = 16) is a 16550A
console [ttyS0] enabled
kgdb: Registered I/O driver kgdboc.
kgdb: Waiting for connection from remote gdb...

------------------

Host side
------------------
(gdb) target remote /dev/ttyS0
Remote debugging using /dev/ttyS0
Sending packet: $qSupported#37...Sending packet: $qSupported#37...Sending
packet: $qSupported#37...Sending packet: $qSupported#37...Timed out.
Timed out.
Timed out
.....
.....

------------------

Is anything else need to be implemented for ppc44x for KGDB to work ?


-- 
"The Good You Do, The Best You GET"

Regards
Srikanth Krishnakar
**********************

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Hi all,<br><br>Has anybody=A0 tested KGDBOC in linux-2.6.28 for Xilinx Virt=
ex-5 PowerPC target boards.. <br><br>I just see that KGDB waits for remote =
connection from GDB host, but unfortunately<br><br><br>Command line argumen=
ts were :<br>
<br>console=3DttyS0 ip=3Dbootp root=3D/dev/nfs rw kgdboc=3DttyS0 kgdbwait<b=
r><br>The test is been done on xilinx virtex-5 ppc440 target<br><br>Target =
side:<br><br>----------------<br>Serial: 8250/16550 driver4 ports, IRQ shar=
ing disabled<br>
83e00000.serial: ttyS0 at MMIO 0x83e01003 (irq =3D 16) is a 16550A<br>conso=
le [ttyS0] enabled<br>kgdb: Registered I/O driver kgdboc.<br>kgdb: Waiting =
for connection from remote gdb...<br><br>------------------<br><br>Host sid=
e<br>
------------------<br>(gdb) target remote /dev/ttyS0<br>Remote debugging us=
ing /dev/ttyS0<br>Sending packet: $qSupported#37...Sending packet: $qSuppor=
ted#37...Sending packet: $qSupported#37...Sending packet: $qSupported#37...=
Timed out.<br>
Timed out.<br>Timed out<br>.....<br>.....<br><br>------------------<br clea=
r=3D"all"><br>Is anything else need to be implemented for ppc44x for KGDB t=
o work ?<br><br><br>-- <br>&quot;The Good You Do, The Best You GET&quot;<br=
>
<br>Regards<br>Srikanth Krishnakar<br>**********************<br>

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