Illegal instructions when using -fpic

[Gustav Andersson]

Posted on December 22, 2017 at 09:55

Hello,

I'm trying to make my application position independent so that I canplace the software anywhere in the flash of the SPC564B I'm using.

Is this possible using the free FreeGCC v4.9.3 with VLE support?

If so, is there a guide available on how to solve this?

When I'm trying to just add -fpic, -fPIC or -fpie I get illegal instructions:

make all 
ppc-freevle-eabi-gcc -c -mcpu=e200z4 -meabi -msdata=none -mregnames -mvle -O2 -gdwarf-2 -fomit-frame-pointer -falign-functions=16 -fno-gcse -Wno-missing-field-initializers -fpie -ffunction-sections -fdata-sections -fno-common -Wall -Wextra -Wstrict-prototypes -Wa,-alms=build/lst/queue.lst -DPPC_USE_VLE=1 -D__FREERTOS__ -DconfigUSE_APPLICATION_TASK_TAG=1 -DconfigUSE_TRACE_FACILITY=1 -D__SPC5__ -DNPI_USE_BLEIO -DNPI_USE_UART -DNPI_MASTER -DDEBUG -DEVTLOGPINS -D__POLESTAR_PAK -DPAKM_LOW_POWER -DNATIVE_BIG_ENDIAN=1 -DSODIUM_STATIC -DNPI_POLESTAR -DPAKM_PROTO_V1 -DPAKM_PROTO_V2 -MD -MP -MF .dep/queue.o.d -I. -I./components/spc56ecxx_platform_component_rla/lib/include -I./components/spc5_freertos_component_rla/lib/include -I./components/spc5_freertos_component_rla/lib/portable -I./components/spc56ecxx_low_level_drivers_component_rla/lib/include -I./components/flash_driver/lib/include -I./components/spc5_crypto_spc56ecxx_cse_driver/lib/include -I./components/spc5_crypto_spc56ecxx_cse_driver/lib/include/common -I./components/spc5_crypto_spc56ecxx_cse_driver/cfg -I./components/spc5_crypto_spc56ecxx_cse_driver/lib/test -I./components/spc5_crypto_spc56ecxx_cse_support/lib/include -I./components/spc5_crypto_spc56ecxx_cse_support/cfg -I./components/spc5_crypto_spc56ecxx_cse_support/lib/test -I./components/spc5_crypto_spc56ecxx_cse_support/../cse_crypto_driver/cfg -I./components/spc5_crypto_spc56ecxx_cse_support/../cse_crypto_driver/lib/include -I./components/spc56ecxx_board_initialization_component_rla/lib/include -I./components/spc56ecxx_clock_component_rla/lib/include -I./components/spc56ecxx_irq_component_rla/lib/include -I./components/spc56ecxx_osal_component_rla/lib/include -I./components/spc56ecxx_platform_component_rla/cfg -I./components/spc5_freertos_component_rla/cfg -I./components/spc56ecxx_low_level_drivers_component_rla/cfg -I./components/flash_driver/cfg -I./components/spc5_crypto_spc56ecxx_cse_driver/cfg -I./components/spc5_crypto_spc56ecxx_cse_support/cfg -I./components/spc56ecxx_board_initialization_component_rla/cfg -I./components/spc56ecxx_clock_component_rla/cfg -I./components/spc56ecxx_irq_component_rla/cfg -I./components/spc56ecxx_osal_component_rla/cfg -I./source/ -I./components -I../../platform/drivers/st_spc5/spc5_only -I../.. -Icomponents/spc56ecxx_low_level_drivers_component_rla/cfg ./components/spc5_freertos_component_rla/lib/src/queue.c -o build/obj/queue.o
C:\Users\username\AppData\Local\Temp\cc4I5qUf.s: Assembler messages:
C:\Users\username\AppData\Local\Temp\cc4I5qUf.s:2569: Error: Illegal instruction for VLE mode: `bl'
C:\Users\username\AppData\Local\Temp\cc4I5qUf.s:2590: Error: Illegal instruction for VLE mode: `lwz'
C:\Users\username\AppData\Local\Temp\cc4I5qUf.s:2642: Error: Illegal instruction for VLE mode: `lwz'
C:\Users\username\AppData\Local\Temp\cc4I5qUf.s:2766: Error: Illegal instruction for VLE mode: `bl'
C:\Users\username\AppData\Local\Temp\cc4I5qUf.s:2780: Error: Illegal instruction for VLE mode: `lwz'
C:\Users\username\AppData\Local\Temp\cc4I5qUf.s:2835: Error: Illegal instruction for VLE mode: `bl'
C:\Users\username\AppData\Local\Temp\cc4I5qUf.s:2848: Error: Illegal instruction for VLE mode: `lwz'
C:\Users\username\AppData\Local\Temp\cc4I5qUf.s:2880: Error: Illegal instruction for VLE mode: `lwz'
C:\Users\username\AppData\Local\Temp\cc4I5qUf.s:2913: Error: Illegal instruction for VLE mode: `bl'
C:\Users\username\AppData\Local\Temp\cc4I5qUf.s:2926: Error: Illegal instruction for VLE mode: `lwz'
C:\Users\username\AppData\Local\Temp\cc4I5qUf.s:2953: Error: Illegal instruction for VLE mode: `lwz'
make: *** [build/obj/queue.o] Error 1�?�?�?�?�?�?�?�?�?�?�?�?�?�?�?�?

#spc5 #fpic

[Erwan YVIN]

Posted on December 22, 2017 at 11:07

Hello Gustav,

for your information,

FreeGCC v4.9.3 (

-fpic and -mvle are incompatible)

Maybe due to the long branch and so on ..

even in hightec compiler (based on gcc) (4.6.3) , it is not compatible 

            Best regards

                       Erwan

[Gustav Andersson]

Posted on December 22, 2017 at 12:07

Hello,

thanks for your answer. Is there a way to compile without using VLE?

Best regards,

Gustav

[Erwan YVIN]

Posted on January 08, 2018 at 09:47

Hello Gustav ,

yes , it is possible on

SPC564B family but the .s is not compliant.

you have to update some VLE assembler routines to render in non-VLE mode.

            Best Regards

                  Erwan