xilinx 1.3 KB

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  1. #------------------------------------------------------------------------------
  2. # $File: xilinx,v 1.7 2014/04/30 21:41:02 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. # Rewritten to use pstring/H instead of hardcoded lengths by O. Freyermuth,
  8. # fixes at least reading of bitfiles from Spartan 2, 3, 6.
  9. # http://www.fpga-faq.com/FAQ_Pages/0026_Tell_me_about_bit_files.htm
  10. #
  11. # First there is the sync header and its length
  12. 0 beshort 0x0009
  13. >2 belong =0x0ff00ff0
  14. >>&0 belong =0x0ff00ff0
  15. >>>&0 byte =0x00
  16. >>>&1 beshort =0x0001
  17. >>>&3 string a Xilinx BIT data
  18. # Next is a Pascal-style string with the NCD name. We want to capture that.
  19. >>>>&0 pstring/H x - from %s
  20. # And then 'b'
  21. >>>>>&1 string b
  22. # Then the model / part number:
  23. >>>>>>&0 pstring/H x - for %s
  24. # Then 'c'
  25. >>>>>>>&1 string c
  26. # Then the build-date
  27. >>>>>>>>&0 pstring/H x - built %s
  28. # Then 'd'
  29. >>>>>>>>>&1 string d
  30. # Then the build-time
  31. >>>>>>>>>>&0 pstring/H x \b(%s)
  32. # Then 'e'
  33. >>>>>>>>>>>&1 string e
  34. # And length of data
  35. >>>>>>>>>>>>&0 belong x - data length 0x%x
  36. # Raw bitstream files
  37. 0 long 0xffffffff
  38. >&0 belong 0xaa995566 Xilinx RAW bitstream (.BIN)