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Altera_Forum's avatar
Altera_Forum
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17 years ago

How to determine the length of the RBF file

Hi, When we generate the RBF file from the .sof file with compression enabled using the convert programming files option in Quartus II , is the length of the RBF file embedded into the file...
Altera_Forum's avatar
Altera_Forum
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16 years ago

Yes, I see, that it can be a problem with NIOS. However, the FPGA image has always trailing 0xFF and the NIOS boot image, as I learned from the bootloader document, is starting != 0xFF. So there should be still a clear start marking.

My application is more basic, the rbf image is written by a standard bootloader to a predefined flash area without length information, but the embedded PS loader should be able to load the correct bit stream length.