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Member "file-5.35/magic/Magdir/xilinx" (17 Mar 2017, 1287 Bytes) of package /linux/misc/file-5.35.tar.gz:


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    1 
    2 #------------------------------------------------------------------------------
    3 # $File: xilinx,v 1.8 2017/03/17 21:35:28 christos Exp $
    4 # This is Aaron's attempt at a MAGIC file for Xilinx .bit files.
    5 # Xilinx-Magic@RevRagnarok.com
    6 # Got the info from FPGA-FAQ 0026
    7 #
    8 # Rewritten to use pstring/H instead of hardcoded lengths by O. Freyermuth,
    9 # fixes at least reading of bitfiles from Spartan 2, 3, 6.
   10 # http://www.fpga-faq.com/FAQ_Pages/0026_Tell_me_about_bit_files.htm
   11 #
   12 # First there is the sync header and its length
   13 0	beshort 0x0009
   14 >2 	belong	=0x0ff00ff0
   15 >>&0	belong  =0x0ff00ff0
   16 >>>&0	byte    =0x00
   17 >>>&1   beshort =0x0001
   18 >>>&3	string	a	Xilinx BIT data
   19 # Next is a Pascal-style string with the NCD name. We want to capture that.
   20 >>>>&0	   pstring/H	x	- from %s
   21 # And then 'b'
   22 >>>>>&1    string b
   23 # Then the model / part number:
   24 >>>>>>&0   pstring/H    x       - for %s
   25 # Then 'c'
   26 >>>>>>>&1 string c
   27 # Then the build-date
   28 >>>>>>>>&0 pstring/H    x       - built %s
   29 # Then 'd'
   30 >>>>>>>>>&1   string d
   31 # Then the build-time
   32 >>>>>>>>>>&0  pstring/H x        \b(%s)
   33 # Then 'e'
   34 >>>>>>>>>>>&1  string e
   35 # And length of data
   36 >>>>>>>>>>>>&0 belong x          - data length 0x%x
   37 
   38 # Raw bitstream files
   39 0      long    0xffffffff
   40 >&0    belong  0xaa995566      Xilinx RAW bitstream (.BIN)