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Re: Debugging the MIPS processor using GDB

To: Brian Foster <>
Subject: Re: Debugging the MIPS processor using GDB
From: "Maciej W. Rozycki" <>
Date: Tue, 12 Aug 2008 17:27:42 +0100 (BST)
Cc:, Martin Gebert <>, TriKri <>
In-reply-to: <>
Original-recipient: rfc822;
References: <> <> <>
On Tue, 12 Aug 2008, Brian Foster wrote:

>   I'm using the commercial FS² (First Silicon Systems, now owned
>  by MIPS) EJTAG probe.  The local â??gdbâ?? on the workstation talks
>  to the local FS² software on the workstation, which talks to the
>  probe (in my case, over USB, but there is also an Ethernet model).
>  There is no â??gdbserverâ?? in this setup per se, albeit I suppose
>  the protocol between â??gdbâ?? and the FS² software (which is called
>  something like â??jnetserverâ???) might be similar/identical (I have
>  no idea!).

 Not really -- it uses a C API called MDI -- the spec is available from
MIPS Technologies.  I am happy to read somebody finds it useful. :)  
Debugging the Linux kernel with GDB and this piece of hardware is
certainly a lot of fun.


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