RE: [ECOS] i386 platform !

[Jason Thomas <jason at renfield dot physics dot utah dot edu>]

Are you certain a driver apropriate to your ethernet card is built into 
your image of redboot? I had to get a driver specific to my AMD LancePCI 
chip. Can you ping the device remotely? Or ping anything from it?

-Jason Thomas.

On Fri, 12 Nov 2004, Gary Thomas wrote:

> On Fri, 2004-11-12 at 15:36, Jean-François Mullet wrote:
> > Hi Andrew,
> > 
> > I can build an image without any problem; I just cannot connect to it with gdb. 
> > I've tested eCos versions (randomly) from two years ago till the last version 
> > on CVS and I've never been able to connect with gdb.
> > Sometimes the toolchain is not compatible with the eCos source code (compilation 
> > options...) but the error is obvious and an update is easy and fast. 
> 
> Are you sure you have communication between your host and the target
> board?  e.g. you should be able to connect to the target via a serial
> connection using something like minicom (Linux) or hyperterm (Windows).
> Set the baud rate, etc.  You should get the RedBoot prompt.  Then to
> test the GDB connection, try typing this: $g#67  You won't see anything
> get echoed, but you should see some characters come back on the 
> terminal.  If that works, you should be able to get into gdb.
> 
> Once you know the basic communication is working, try this:
> * run GDB on the host
> (gdb) set remotebaud 38400
> (gdb) set remotedebug 1
> (gdb) tar rem /dev/ttyS0     (on Linux)
> (gdb) tar rem com1           (on Windows)
> 
> Let us know if this doesn't help.
> 
> > 
> > It would be nice to know on which platform people are using eCos.
> > It seems that x86 is not the most used according the number of 
> > relative questions on the mailing list.
> 
> Indeed - the x86 is not really an embedded platform :-)  Most eCos 
> platforms are based on PowerPC, ARM or MIPS embedded processors.
> 
> > 
> > JF
> > 
> > -----Message d'origine-----
> > De : Andrew Lunn [mailto:andrew@lunn.ch] 
> > Envoyé : Friday, November 12, 2004 16:01
> > À : Jean-François Mullet
> > Cc : ecos-discuss@sources.redhat.com
> > Objet : Re: [ECOS] i386 platform !
> > 
> > On Fri, Nov 12, 2004 at 02:45:30PM +0100, Jean-Fran?ois Mullet wrote:
> > > Hi,
> > > 
> > 
> > > I'm trying to setup a redboot image to accept remote gdb debug on
> > > i386 target (which is supposed to be really easy !).
> > >
> > > The only working configuration have been able to use is the prebuild
> > > version actually in CVS which is more than 2 years old.
> > >
> > > Any other prebuild version or any version I can build whatever the
> > > ecos, cygwin and toolchain version I'm using is not accepting gdb
> > > remote connection.
> > 
> > How are you building it. I just built one:
> > 
> > lunn@londo:~/eCos/work2$ ecosconfig new pc redboot
> > U CYGSEM_HAL_USE_ROM_MONITOR, new inferred value 0
> > U CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK, new inferred value 0
> > lunn@londo:~/eCos/work2$ ecosconfig import ../anoncvs-clean/packages/hal/i386/pc/current/misc/redboot_FLOPPY.ecm 
> > U CYGHWR_HAL_I386_FPU_SWITCH_LAZY, new inferred value 0
> > lunn@londo:~/eCos/work2$ ecosconfig tree 
> > lunn@londo:~/eCos/work2$ make -s
> > headers finished
> > /home/lunn/eCos/anoncvs-clean/packages/devs/eth/intel/i82559/current/src/if_i82559.c: In function `i82559_start':
> > /home/lunn/eCos/anoncvs-clean/packages/devs/eth/intel/i82559/current/src/if_i82559.c:1664: warning: implicit declaration of function `memset'
> > /home/lunn/eCos/anoncvs-clean/packages/devs/eth/intel/i82559/current/src/if_i82559.c: In function `i82559_recv':
> > /home/lunn/eCos/anoncvs-clean/packages/devs/eth/intel/i82559/current/src/if_i82559.c:2135: warning: implicit declaration of function `memcpy'
> > /home/lunn/eCos/anoncvs-clean/packages/devs/eth/intel/i82559/current/src/if_i82559.c: At top level:
> > /home/lunn/eCos/anoncvs-clean/packages/devs/eth/intel/i82559/current/src/if_i82559.c:2712: warning: `eth_dsr' defined but not used
> > /home/lunn/eCos/anoncvs-clean/packages/hal/common/current/src/hal_stub.c: In function `handle_exception_cleanup':
> > /home/lunn/eCos/anoncvs-clean/packages/hal/common/current/src/hal_stub.c:457: warning: comparison between pointer and integer
> > /home/lunn/eCos/anoncvs-clean/packages/redboot/current/src/fs/disk.c: In function `find_dos_partitions':
> > /home/lunn/eCos/anoncvs-clean/packages/redboot/current/src/fs/disk.c:94: warning: unused variable `tmp'
> > build finished
> > 
> > I don't have an i386 board to test it with, but it seems to compile OK
> > except for some warnings.
> > 
> >         Andrew
> 


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