[fpc-devel] Problems building xtensa-freertos RTL in trunk

[Florian Klämpfl]

Am 19.04.20 um 17:25 schrieb Michael Ring via fpc-devel:
> I have uploaded  my patch to:
> 
> http://temp.michael-ring.org/fpc-arm-freertos.patch

Thanks, I'll look into it.

> 
> I have left out the generated Makefiles to keep the patch (kind of) 
> readable.
> 
> 
> I am able to build the target like this:
> 
> make -j clean buildbase CROSSINSTALL=1 OS_TARGET=freertos CPU_TARGET=arm 
> SUBARCH=armv7em CROSSOPT="-CfFPV4_SP_D16 -XParm-embedded-"
> 
> or
> 
> make -j clean buildbase CROSSINSTALL=1 OS_TARGET=freertos CPU_TARGET=arm 
> SUBARCH=armv6m CROSSOPT="-CfSOFT -XParm-embedded-"
> 
> make -j clean buildbase CROSSINSTALL=1 OS_TARGET=freertos CPU_TARGET=arm 
> SUBARCH=armv7m CROSSOPT="-CfSOFT -XParm-embedded-"
> 
> Fun Fact: I have to include -CfSOFT in CROSSOPT for armv6m/7m or I will 
> get this error:
> 
> 
> /Library/Developer/CommandLineTools/usr/bin/make -C rtl all
> /Library/Developer/CommandLineTools/usr/bin/make -C freertos all
> /bin/mkdir -p /Users/ring/devel/fpc-freertos/rtl/units/arm-freertos
> /Users/ring/devel/fpc-freertos/compiler/ppcrossarm -Cparmv6m -Ur 
> -Tfreertos -Parm -XParm-freertos- -Xr -Ur -Xs -O2 -n -Fi../inc -Fi../arm 
> -FE. -FU/Users/ring/devel/fpc-freertos/rtl/units/arm-freertos -darm 
> -dRELEASE -XParm-embedded-  -Us -Sg system.pp @system.cfg
> system.inc(416,5) Fatal: Internal error 200312126
> 
> Do you have an idea why? I compared to the embedded target but could not 
> find something obvious....

I'll see if I can fix it when adding the patch.

> 
> The freertos bindings are not included yet as I am still testing & 
> learning and I need your guidance on how to provide the lib/*.o files 
> for freertos:
> 
> I currently build freertos rtl as three different versions with a 
> hopefully sane base-set of configuration options, the question is where 
> to put the matching *.o or *.a files, check them in in fpc or provide 
> build instructions on the Wiki similar to the buildinstructions for 
> xtensa target??

I have no idea either yet. Most likely we will need some fpcdeluxe like 
approach.