Content:
README
STM32F4-Discovery_FW_V1.1.0/
src/

# HOWTO

# run interface for programmator
# stlink was previously installed
st-util -p 4242

# stm32f4 discovery
# download library "STM32F4DISCOVERY board firmware package"
# library extracting to "STM32F4-Discovery_FW_V1.1.0"
wget http://www.st.com/st-web-ui/static/active/en/st_prod_software_internet/resource/technical/software/firmware/stsw-stm32068.zip

# copy from STM32F4-Discovery_FW_V1.1.0/Project/Peripheral_Examples/SysTick/TrueSTUDIO/SysTick/stm32_flash.ld to src
# copy from STM32F4-Discovery_FW_V1.1.0/Project/Peripheral_Examples/SysTick/stm32f4xx_conf.h to src
# copy from STM32F4-Discovery_FW_V1.1.0//Libraries/CMSIS/ST/STM32F4xx/Source/Templates/TrueSTUDIO/startup_stm32f4xx.s to src
# copy from STM32F4-Discovery_FW_V1.1.0//Project/Peripheral_Examples/SysTick/system_stm32f4xx.c to src

# to compile use
arm-none-eabi-gcc main.c -c -o ../obj/main.o -I ../STM32F4-Discovery_FW_V1.1.0/Libraries/STM32F4xx_StdPeriph_Driver/inc/ -I ../STM32F4-Discovery_FW_V1.1.0/Libraries/CMSIS/ST/STM32F4xx/Include/ -I ../STM32F4-Discovery_FW_V1.1.0/Libraries/CMSIS/Include/

# link
#arm-none-eabi-ld -T stm32_flash.ld -nostartfiles -o ../main.elf ../obj/*.o  ~/arm-cs-tools/arm-none-eabi/lib/libc.a  -gc-sections
arm-none-eabi-ld -T stm32_flash.ld -nostartfiles -o ../main.elf ../obj/*.o -gc-sections

# start program
cd obj
arm-none-eabi-gdb main
tar extended-remote :4242
load
run