[ECOS] Missing ethernet support when building RedBoot without driver warnings

[Gary Thomas]

On Tue, 2004-02-24 at 14:30, Uwe Kindler wrote:
> Hello,
> 
> I just discovered the following problem. When I build RedBoot (for Renesas
> EDOSK-2674 platform) with Ethernet support and I disable 'Show driver
> warnings' CYGSEM_IO_ETH_DRIVERS_WARN and disable 'Support printig driver
> debug information' CYGDBG_IO_ETH_DRIVERS_DEBUG then there is no ethernet
> support present when booting the board. If I enable one of the two options
> above, then ethernet support is present. I debugged a RedBoot RAM
> application in order to find the problem. I discovered, that the file
> redboot_net_io.o compiled from net_io.c is not linked to the final
> redboot.elf file - that means RedBoot_init(net_init, RedBoot_INIT_LAST); in
> redboot/current/src/net/net_io.c is not active and so ethernet won't be
> initialized.
> 
> As soon as I put the following code:
> 
> int old_console;
> old_console = start_console();
> end_console(old_console);
> 
> into the file eth_drv.c from stand-alone stack, the file redboot_net_io.o is
> linked correctly to the final redboot image. Normally the code above is only
> called if one of the warning options is active. So the file redboot_net_io.o
> is not linked into the final redboot image because there is no single
> function call from outside the file net_io.c which calls a function inside
> net_io.c.
> 
> What should I do in order to force the linking of redboot_net_io.o if
> warning and debug messages are disabled.
> 
> Thank you very much.

Try the attached patch.  If it works for you, I'll commit it.
-- 
Gary Thomas <gary@mlbassoc.com>
MLB Associates
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