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#------------------------------------------------------------------------------ # $File: xilinx,v 1.4 2009/09/19 16:28:13 christos Exp $ # This is Aaron's attempt at a MAGIC file for Xilinx .bit files. # Xilinx-Magic@RevRagnarok.com # Got the info from FPGA-FAQ 0026 # # First there is the sync header and its length 0 beshort 0x0009 >2 belong =0x0ff00ff0 >>&0 belong =0x0ff00ff0 >>>&0 beshort =0x0000 >>>>&0 pstring a Xilinx BIT data # Next is a Pascal-style string with the NCD name. We want to capture that. >>>>0x0F pstring x - from %s # It is followed by a NUL >>>>>&1 byte 0x00 # And then 'b' >>>>>&2 string b # With the part number: #>>>>>&5 string 4v (Virtex4) #>>>>>&5 string 2v (Virtex II #>>>>>>&0 string !p \b) #>>>>>>&0 string p Pro) >>>>>&4 pstring x - for %s # And then NUL / 'c' / Build Data / NUL / 'd' / Date / NUL / 'e' / Data Length >>>>>>&1 byte 0x00 >>>>>>&2 string c >>>>>>&4 pstring x - built %s >>>>>>>&1 byte 0x00 >>>>>>>&2 string d >>>>>>>&4 pstring x \b(%s) >>>>>>>>&1 byte 0x00 >>>>>>>>&2 string e >>>>>>>>&4 belong x - data length 0x%lx