"--endian=little" 

"--cpu=Cortex-M4" 

"--fpu=None" 

"-p" 

"C:\Program Files (x86)\IAR Systems\Embedded Workbench 8.2\arm\CONFIG\debugger\GD\GD32F303xE.ddf" 

"--semihosting" 

"--device=GD32F303xE" 

"--drv_communication=USB0" 

"--drv_interface_speed=auto" 

"--jlink_initial_speed=5000" 

"--jlink_reset_strategy=0,0" 

"--drv_interface=SWD" 

"--drv_catch_exceptions=0x000" 

"--drv_swo_clock_setup=168000000,0,2000000"