build_kestrel_firmware

   1 #!/bin/bash
   2 #
   3 # Copyright 2022 Raptor Engineering, LLC
   4 # Licensed under the terms of the GNU LGPLv3+
   5 #
   6 # Ensure that the LibreSoC packages and HDL tools
   7 # are installed prior to running this script,
   8 # as well as the kestrel repos
   9 #
  10 #   ./install-hdl-apt-reqs
  11 #   ./hdl-dev-repos
  12 #   ./hdl-tools-yosys
  13 #   ./ppc64-gdb-gcc
  14 #   ./nextpnr-ecp5
  15 #   ./hdl-kestrel-repos
  16
  17 set -e
  18
  19 export PATH=/usr/local/libtrellis/bin:$PATH
  20 export PATH=/usr/local/nextpnr-ecp5/bin:$PATH
  21
  22 export KESTREL=/home/$SUDO_USER/src/kestrel
  23 echo "Building ppc64el soft floating point library..."
  24 cd $KESTREL/firmware/gcc/libgcc/soft-fp
  25 # Ignore expected errors
  26 set +e
  27 gcc -c -O2 -msoft-float -mno-string -mno-multiple -mno-vsx \
  28            -mno-altivec -mlittle-endian -mstrict-align \
  29            -fno-stack-protector -m64 -mabi=elfv2 -mcmodel=small \
  30            -I../config/rs6000/ -I../../include -I.. *.c &> /dev/null
  31 set -e
  32 ar -crv libsoft-fp.a *.o
  33 cp -Rp libsoft-fp.a ../../../
  34
  35 echo "Building Zephyr..."
  36 cd $KESTREL/firmware
  37 export SOURCE_ROOT_DIR=$(pwd)
  38 cd zephyr-rtos
  39 rm -rf build
  40 mkdir build
  41 cd build
  42 export ZEPHYR_MODULES="${SOURCE_ROOT_DIR}/zephyr-littlefs"
  43 export ZEPHYR_MODULES="${ZEPHYR_MODULES};${SOURCE_ROOT_DIR}/zephyr-mbedtls;"
  44 export ZEPHYR_MODULES="${ZEPHYR_MODULES};${SOURCE_ROOT_DIR}/zephyr-civetweb"
  45 ZEPHYR_BASE=${SOURCE_ROOT_DIR}/zephyr-rtos \
  46            ZEPHYR_TOOLCHAIN_VARIANT=host \
  47            cmake -DZEPHYR_MODULES="${ZEPHYR_MODULES}" \
  48            -DBOARD=litex_kestrel ${SOURCE_ROOT_DIR}/zephyr-firmware
  49 cp -Rp ../../libsoft-fp.a zephyr/
  50 make -j32
  51
  52 echo -n "Zephyr firmware binary now in "
  53 echo    "$KESTREL/firmware/zephyr-rtos/build/zephyr/zephyr.bin"