gp24

gp24.git
git clone git://git.lenczewski.org/gp24.git
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build.sh (2636B)

      1 #!/bin/sh
      2 
      3 TARGET="${1:-atmega2560}"
      4 
      5 # toolchain
      6 AS="clang"
      7 CC="clang"
      8 CXX="clang++"
      9 LD="ld.lld"
     10 
     11 OBJCOPY="llvm-objcopy"
     12 
     13 # toolchain flags
     14 WARNINGS="-Wall -Wextra ${WERROR:+-Werror} -Wno-unused-parameter"
     15 FLAGS="-ffreestanding -fno-builtin"
     16 
     17 # generic language flags
     18 ASFLAGS="-g3"
     19 CFLAGS="-std=c11 -O${OPT:-0} -g3"
     20 CXXFLAGS="-std=c++11 -O${OPT:-0} -g3"
     21 
     22 CPPFLAGS="-Idep"
     23 LDFLAGS="-nostdlib"
     24 
     25 # target-specific toolchain flags
     26 # --
     27 #  see: clang -target avr-none --print-supported-cpus
     28 #  see: clang -target arm-none-eabi --print-supported-cpus
     29 #  see: clang -target arm-none-eabi --print-supported-extensions
     30 #
     31 #  see: https://gcc.gnu.org/onlinedocs/gcc/AVR-Options.html
     32 #  see: https://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html
     33 case $TARGET in
     34 	atmega2560) # arduino mega
     35 		TRIPLE="avr-none"
     36 		TARGET_FLAGS="-mmcu=atmega2560"
     37 
     38 		ARCH="AVR"
     39 		PLATFORM="ATMEGA2560"
     40 
     41 		BOARD="boards/atmega2560"
     42 		LDSCRIPT="atmega2560.lds"
     43 		;;
     44 
     45 	nucleo) # stm nucleo
     46 		TRIPLE="arm-none-eabi"
     47 		TARGET_FLAGS="-mcpu=cortex-m4 -march=armv7e-m+fp"
     48 
     49 		ARCH="ARM"
     50 		PLATFORM="NUCLEO"
     51 
     52 		BOARD="boards/stm32f401re"
     53 		LDSCRIPT="stm32f401re.lds"
     54 		;;
     55 
     56 	nucleo-64) # stm nucleo-64
     57 		TRIPLE="arm-none-eabi"
     58 		TARGET_FLAGS="-mcpu=cortex-m3 -march=armv7-m"
     59 
     60 		ARCH="ARM"
     61 		PLATFORM="NUCLEO64"
     62 
     63 		BOARD="boards/stm32l152re"
     64 		LDSCRIPT="stm32l152re.lds"
     65 		;;
     66 
     67 
     68 	nucleo-144) # stm32 nucleo-144
     69 		TRIPLE="arm-none-eabi"
     70 		TARGET_FLAGS="-mcpu=cortex-m4 -march=armv7e-m+fp"
     71 
     72 		ARCH="ARM"
     73 		PLATFORM="NUCLEO144"
     74 
     75 		BOARD="boards/stm32l4r5zi"
     76 		LDSCRIPT="stm32l4r5zi.lds"
     77 		;;
     78 
     79 	*)
     80 		echo "Unsupported target: $TARGET, must be one of: "
     81 		echo "\tatmega2560 nucleo nucleo-64 nucleo-144"
     82 		exit 1
     83 		;;
     84 esac
     85 
     86 # target-specific language flags
     87 ARCH_ASFLAGS="-target $TRIPLE $TARGET_FLAGS $ASFLAGS $FLAGS"
     88 ARCH_CFLAGS="-target $TRIPLE $TARGET_FLAGS $CFLAGS $FLAGS"
     89 ARCH_CXXFLAGS="-target $TRIPLE $TARGET_FLAGS $CXXFLAGS $FLAGS"
     90 
     91 ARCH_CPPFLAGS="$CPPFLAGS -D__ARCH_${ARCH}__=1 -D__PLATFORM_${PLATFORM}__=1"
     92 ARCH_LDFLAGS="-T $BOARD/$LDSCRIPT $LDFLAGS"
     93 
     94 set -ex
     95 
     96 mkdir -p bin obj
     97 
     98 # build board-specific asm platform code and HAL implementation
     99 $AS $ARCH_ASFLAGS $ARCH_CPPFLAGS -o obj/plat.o -c $BOARD/plat.S -I$BOARD
    100 $CC $ARCH_CFLAGS $ARCH_CPPFLAGS -o obj/hal.o -c $BOARD/hal.c -I$BOARD
    101 
    102 # build target-independent code
    103 $CXX $ARCH_CXXFLAGS $ARCH_CPPFLAGS -o obj/gp24.o -c src/gp24.cpp
    104 
    105 # link together asm helpers, HAL, and main code
    106 $LD $ARCH_LDFLAGS --Map=bin/gp24.map --print-memory-usage \
    107 	obj/plat.o obj/hal.o obj/gp24.o -o bin/gp24.elf
    108 
    109 # prepare binary for flashing to target
    110 $OBJCOPY -S -O binary bin/gp24.elf bin/gp24.bin
    111 $OBJCOPY -S -O ihex bin/gp24.elf bin/gp24.hex