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Altera_Forum
Honored Contributor
21 years agoHi LiYangYi,
The file "boot_loader_epcs.srec" is executed if the Nios II cpu is set to reset (boot) from the EPCS controller. This software is *not* programmed into EPCS flash; it lives in a small ROM inside the FPGA, in the epcs controller peripheral. This loader will load your .elf, if programmed into EPCS, and then transfer execution to that program.