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Registered: ‎05-12-2016

Compiling spi rec boot loader with a custom toolchain



In order to ease and integrate all the code I use around this system I'm building I want to compile both the BSP and the bootloader using a toolchain built by buildroot. This compiler should be able to do this, but I'm facing an error on the last stage of the compilation. I've succesfully built the BSP (although tinkering a little, as I don't use newlib), but the final bootloader.elf doesn't get built because of this:


Building target: bootloader.elf
Invoking: MicroBlaze gcc linker
/home/dev/mb/output/host/usr/bin/microblazeel-linux-gcc -Wl,-T -Wl,lscript.ld -L../bsp/lib -mlittle-endian -mxl-barrel-shift -mxl-pattern-compare -mno-xl-soft-div -mcpu=v9.6 -mno-xl-soft-mul -mxl-multiply-high -Wl,--no-relax -o "bootloader.elf" bootloader.o platform.o srec.o  -Wl,--start-group,-lxil,-lgcc,-lc,--end-group -Wl,--start-group,-lxilisf,-lxil,-lgcc,-lc,--end-group
/home/dev/mb/Proyectos/ART/ESA/DRVM-software.git/DRVM/output/host/usr/microblazeel-buildroot-linux-gnu/sysroot/usr/lib/libc_nonshared.a(elf-init.oS): In function `__libc_csu_init':
(.text+0x44): undefined reference to `__init_array_start'
/home/dev/mb/output/host/usr/microblazeel-buildroot-linux-gnu/sysroot/usr/lib/libc_nonshared.a(elf-init.oS): In function `__libc_csu_init':
(.text+0x4c): undefined reference to `__init_array_end'
collect2: error: ld returned 1 exit status
Makefile:32: recipe for target 'bootloader.elf' failed

What's the reason for this, where lies the difference between this and the result of using mb-gcc, and how shall I try to solve it?


Thank you!

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