SEVERE: elf2flash: Read error: File not found: /mnt/c/intelFPGA_pro/19.2/nios2eds/components/altera_nios2/boot_loader_cfi.srec - SEVERE: elf2flash: Read error: File not found: /mnt/c/intelFPGA_pro/19.2/nios2eds/components/altera_nios2/boot_loader_cfi.srec Description Due to a problem in the Intel® Quartus® Prime Pro Edition software version 19.2, you may see below errors when doing "make_init_generate" in Nios® II Software Build Tools for Eclipse for a needed hex file generation： Post-processing to create mem_init/generic_quad_spi_controller2_0.hex... alt-file-convert.exe -I elf32-littlenios2 -O hex --input=test01.elf --output=mem_init/generic_quad_spi_controller2_0.hex --base=0x02000000 --end=0x03ffffff --reset=0x02500000 --out-data-width=8 --boot="/mnt/c/intelFPGA_pro/19.2/nios2eds/components/altera_nios2/boot_loader_cfi.srec" ?? 26, 2020 2:08:33 ?? com.altera.commandApplication.CmdApp severe SEVERE: elf2flash: Read error: File not found: /mnt/c/intelFPGA_pro/19.2/nios2eds/components/altera_nios2/boot_loader_cfi.srec ?? 26, 2020 2:08:33 ?? com.altera.commandApplication.CmdApp severe SEVERE: elf2flash: Error reading boot copier ?? 26, 2020 2:08:33 ?? com.altera.commandApplication.CmdApp severe SEVERE: elf2flash: Error generating Flash file, exiting Picked up _JAVA_OPTIONS: -Djava.net.preferIPv4Stack=truenios2-elf-objcopy: 'C:\Users\anchen\AppData\Local\Temp\tmp85ntu6x2': No such file Converting Nios II ELF file to HEX file. Appending boot file. Resolution To work around this problem, follow the steps below: 1.Please copy boot_loader_cfi.srec from installation path and place it in your NiosII software project folder. 2.Mannully run above alt-file-convert.exe command from NiosII Command Shell, the needed hex file will be generated successfully. This problem is fixed starting with the Intel Quartus Prime Pro Edition software version 20.1. Custom Fields values: ['novalue'] Troubleshooting 1507701799, 1507817768 True ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 20.1 19.2 ['Programmable Logic Devices'] ['Nios® II Embedded Design Suite (EDS)'] ['novalue'] ['novalue']