RE: [ECOS] Confirmed error in eth_drv.c

[Gary Thomas <gthomas at redhat dot com>]

On 20-Aug-2001 Trenton D. Adams wrote:
> I just used default settings when creating a project using Config Tool
> 2.04.
> 

You changed nothing?  E.g. turning on GDB stubs in your code, or taking
over the virtual vector communications channel.

> 
> 
> -----Original Message-----
> From: ecos-discuss-owner@sources.redhat.com
> [mailto:ecos-discuss-owner@sources.redhat.com] On Behalf Of Gary Thomas
> Sent: Monday, August 20, 2001 11:00 AM
> To: Trenton D. Adams
> Cc: eCos Discussion
> Subject: RE: [ECOS] Confirmed error in eth_drv.c
> 
> 
> Note: this error would only occur if you turn _LOCK_WITH_ROM_MONITOR
> off,
> which obviously we don't think is a good idea.
> 
> I'll change the source to build in this case anyway.
> 
> On 20-Aug-2001 Trenton D. Adams wrote:
>> I get the following output from the config tool v2.04
>> 
>>
> /cygdrive/C/MyDocuments/eCosRepository/ecos/packages/io/eth/current/src/
>> net/eth_drv.c
>>
> /cygdrive/C/MyDocuments/eCosRepository/ecos/packages/io/eth/current/src/
>> net/eth_drv.c: In function `eth_drv_send':
>>
> /cygdrive/C/MyDocuments/eCosRepository/ecos/packages/io/eth/current/src/
>> net/eth_drv.c:617: parse error before `static'
>> make[1]: Leaving directory
>> `/c/MyDocuments/eCosBuilds/RAMSupport_build/io/eth/current'
>>
> /cygdrive/C/MyDocuments/eCosRepository/ecos/packages/io/eth/current/src/
>> net/eth_drv.c:629: `mbuf_key' undeclared (first use in this function)
>> make: Leaving directory `/c/MyDocuments/eCosBuilds/RAMSupport_build'
>>
> /cygdrive/C/MyDocuments/eCosRepository/ecos/packages/io/eth/current/src/
>> net/eth_drv.c:629: (Each undeclared identifier is reported only once
>>
> /cygdrive/C/MyDocuments/eCosRepository/ecos/packages/io/eth/current/src/
>> net/eth_drv.c:629: for each function it appears in.)
>>
> /cygdrive/C/MyDocuments/eCosRepository/ecos/packages/io/eth/current/src/
>> net/eth_drv.c:504: warning: `m0' might be used uninitialized in this
>> function
>>
> /cygdrive/C/MyDocuments/eCosRepository/ecos/packages/io/eth/current/src/
>> net/eth_drv.c: At top level:
>>
> /cygdrive/C/MyDocuments/eCosRepository/ecos/packages/io/eth/current/src/
>> net/eth_drv.c:284: warning: `eth_drv_tx_done' used but never defined
>> make[1]: *** [src/net/eth_drv.o.d] Error 1
>> 
>> 
>> It would appear that the #ifdef _LOCK_WITH_ROM_MONITOR begins before
> the
>> end of the while loop and ends after the while loop.  So, this would
>> naturally cause a parse error!
>> 
>> It appears to have been done on 2001-08-14 which is probably why I
> never
>> seen it before.
>> 
>> So, just move the "#endif // _LOCK_WITH_ROM_MONITOR" and "#undef
>> _LOCK_WITH_ROM_MONITOR" up above the end of the while loop.
>> 
>> Works for me now! :)
>> 
>> 
>>#ifdef _LOCK_WITH_ROM_MONITOR
>>         // Unlock the driver & hardware.  It can once again be safely
>> shared.
>>         if (need_lock) {
>>             cyg_drv_dsr_unlock();
>>#ifdef _LOCK_USING_INTERRUPTS
>>             HAL_RESTORE_INTERRUPTS(ints);
>>#endif
>>         }
>>     } // this here appears to me to be the end of the while loop
>>#endif // _LOCK_WITH_ROM_MONITOR
>>#undef _LOCK_WITH_ROM_MONITOR
>> 
>> 
>> 
>> Trenton D. Adams
>> Extreme Engineering
>>#17, 6025 - 12 St. SE
>> Calgary, Alberta, Canada
>> T2H 2K1
>> 
>> Phone: 403 640 9494 ext-208
>> Fax: 403 640 9599
>> 
>> http://www.extremeeng.com