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odd error building Stephano's arm9_str91x_eclipse

Posted by gorlash3 on November 7, 2013

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Okay, I found Stephano's package, which is linked to from the FreeRTOS page, and dates from 2010.
I downloaded his Souce and Common packages, and am trying to build on that. 

Many files have built successfully, until I got to semtest.c, when I got this result:

-------- begin --------
cc (GCC) 4.7.3
Copyright (C) 2012 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO

../Common/Minimal/semtest.c -> Debug/semtest.o
cc -c  -ggdb  -Os  -std=gnu89  -TSTR91x-ROM.ld  -I .  -I ./STCode  -I ../Source/include  -I ../Source/portable/GCC/STR9x  -I ../Common/include  -I ../Common/drivers/ST/STR91xFWLib/v2.0/inc  -I ../Common/ethernet/lwIP/v132/src/include  -I ../Common/ethernet/lwIP/v132/src/include/ipv4  -I ../Common/ethernet/lwIP/v132/src/include/lwip  -I ../Common/ethernet/lwIP/v132/src/include/netif  -I ../Common/ethernet/lwIP/v132/src/include/ipv4/lwip  -I ../Common/ethernet/lwIP/v132/contrib/port/FreeRTOS/STR91x  -D STR91XGCC  -D STACKLWIP130  -D NOTHUMB_INTERWORK ../Common/Minimal/semtest.c -o Debug/semtest.o
/cygdrive/c/Users/derelict/AppData/Local/Temp/ccCrl41g.s: Assembler messages:
/cygdrive/c/Users/derelict/AppData/Local/Temp/ccCrl41g.s:152: Error: no such instruction: swi 0'<br> makefile:247: recipe for targetDebug/semtest.o' failed
make: *** [Debug/semtest.o] Error 1

However, I grepped down through the entire source tree (.c, *.h, *.s), and I don't see "swi 0" present anywhere!!  I was guessing that it was in a macro somewhere, but I don't find it anywhere.  In fact, the only files where I found "swi" at all, are in Microblaze and hcs12 sources, which I am not accessing at all.

Where is this error coming from??

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odd error building Stephano's arm9_str91x_eclipse

Posted by richardbarry on November 7, 2013

Look in portmacro.h, you will probably find something like this:

define portYIELD() asm volatile ( "SWI 0" )


odd error building Stephano's arm9_str91x_eclipse

Posted by gorlash3 on November 7, 2013

Okay, sh#t... I didn't have "case insensitive" selected when I did my search.

Anyway, I found out what's really wrong... The makefile in Stephano's package had a bug: -D STR91XGCC -D STACKLWIP130 -D $(THUMBD) -mcpu=arm966e-s

Notice the absence of a backslash after the THUMBD line - the THUMBD macro doesn't contain a backslash either... so the build lines were being truncated at that point!! Now that I've fixed that bug, I'm getting a different error, that -mcpu is deprecated, replaced by -mtune or -march, so I need to find what the equivalent arguments are...

odd error building Stephano's arm9_str91x_eclipse

Posted by gorlash3 on November 7, 2013

Dammit ... now I'm trying to use -march= (as recommended by gnu.gcc.org), but I can't find any valid argument that this compiler will accept!! The arm966e-s core is an armv5te architecture... gnu.gcc.org says that -march will accept: ‘armv5’, ‘armv5t’, ‘armv5e’, ‘armv5te’, But I've tried all of these, and my (Yagarto) compiler rejects them all!! How do I proceed from here?? Is there some way to ask gcc which arguments it will accept for -march ??

Later note: Okay, I figured this one out as well... Even though I was explicitly defining CC to point to my ARM compiler chain, make was actually calling some other compiler; I don't even know where it's finding a compiler that is version "cc (GCC) 4.7.3" !!

My three ARM cross compilers are V4.2.2, V4.5.0, and V4.7.4 20130913.

This is very bizarre!! What is clear, however, is that at this point, my problem is with a very complex Makefile, not FreeRTOS. Thus, I will take this somewhere where I can discuss make !!

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