The system_stm32f37x.c file is from stsw-stm32108.zip, 
the folder:

	STM32F37x_DSP_StdPeriph_Lib_V1.0.0/Libraries/CMSIS/Device/ST/STM32F37x/Source/Templates

The vectors_stm32f37x.c file was created to conform with the assembly files 
gc_ride7/startup_stm3237x.s.