xilinx 1.1 KB

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  1. #------------------------------------------------------------------------------
  2. # $File: xilinx,v 1.5 2013/01/08 03:06:50 christos Exp $
  3. # This is Aaron's attempt at a MAGIC file for Xilinx .bit files.
  4. # Xilinx-Magic@RevRagnarok.com
  5. # Got the info from FPGA-FAQ 0026
  6. #
  7. # First there is the sync header and its length
  8. 0 beshort 0x0009
  9. >2 belong =0x0ff00ff0
  10. >>&0 belong =0x0ff00ff0
  11. >>>&0 beshort =0x0000
  12. >>>>&0 pstring a Xilinx BIT data
  13. # Next is a Pascal-style string with the NCD name. We want to capture that.
  14. >>>>0x0F pstring x - from %s
  15. # It is followed by a NUL
  16. >>>>>&1 byte 0x00
  17. # And then 'b'
  18. >>>>>&2 string b
  19. # With the part number:
  20. #>>>>>&5 string 4v (Virtex4)
  21. #>>>>>&5 string 2v (Virtex II
  22. #>>>>>>&0 string !p \b)
  23. #>>>>>>&0 string p Pro)
  24. >>>>>&4 pstring x - for %s
  25. # And then NUL / 'c' / Build Data / NUL / 'd' / Date / NUL / 'e' / Data Length
  26. >>>>>>&1 byte 0x00
  27. >>>>>>&2 string c
  28. >>>>>>&4 pstring x - built %s
  29. >>>>>>>&1 byte 0x00
  30. >>>>>>>&2 string d
  31. >>>>>>>&4 pstring x \b(%s)
  32. >>>>>>>>&1 byte 0x00
  33. >>>>>>>>&2 string e
  34. >>>>>>>>&4 belong x - data length 0x%lx
  35. # Raw bitstream files
  36. 0 long 0xffffffff
  37. >&0 belong 0xaa995566 Xilinx RAW bitstream (.BIN)