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xilinx 1.0 KB
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  1. 

  2. #------------------------------------------------------------------------------
    3. 

  3. # $File: xilinx,v 1.4 2009/09/19 16:28:13 christos Exp $
    4. 

  4. # This is Aaron's attempt at a MAGIC file for Xilinx .bit files.
    5. 

  5. # Xilinx-Magic@RevRagnarok.com
    6. 

  6. # Got the info from FPGA-FAQ 0026
    7. 

  7. #
    8. 

  8. # First there is the sync header and its length
    9. 

  9. 0	beshort 0x0009
    10. 

  10. >2 	belong	=0x0ff00ff0
    11. 

  11. >>&0	belong  =0x0ff00ff0
    12. 

  12. >>>&0	beshort =0x0000	
    13. 

  13. >>>>&0	pstring	a	Xilinx BIT data
    14. 

  14. # Next is a Pascal-style string with the NCD name. We want to capture that.
    15. 

  15. >>>>0x0F	pstring	x	- from %s
    16. 

  16. # It is followed by a NUL
    17. 

  17. >>>>>&1	byte	0x00
    18. 

  18. # And then 'b'
    19. 

  19. >>>>>&2	string b
    20. 

  20. # With the part number:
    21. 

  21. #>>>>>&5 string	4v	(Virtex4)
    22. 

  22. #>>>>>&5 string  2v	(Virtex II
    23. 

  23. #>>>>>>&0	string	!p	\b)
    24. 

  24. #>>>>>>&0	string	p	Pro)
    25. 

  25. >>>>>&4	pstring x	- for %s
    26. 

  26. # And then NUL / 'c' / Build Data / NUL / 'd' / Date / NUL / 'e' / Data Length
    27. 

  27. >>>>>>&1	byte	0x00
    28. 

  28. >>>>>>&2	string	c
    29. 

  29. >>>>>>&4	pstring	x	- built %s
    30. 

  30. >>>>>>>&1	byte	0x00
    31. 

  31. >>>>>>>&2	string	d
    32. 

  32. >>>>>>>&4	pstring	x	\b(%s)
    33. 

  33. >>>>>>>>&1	byte	0x00
    34. 

  34. >>>>>>>>&2	string	e
    35. 

  35. >>>>>>>>&4	belong	x	- data length 0x%lx
    36.