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40427cca7a
Approved by: emaste (mentor) MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D12400
40 lines
1.3 KiB
Text
40 lines
1.3 KiB
Text
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#------------------------------------------------------------------------------
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# $File: xilinx,v 1.8 2017/03/17 21:35:28 christos Exp $
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# This is Aaron's attempt at a MAGIC file for Xilinx .bit files.
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# Xilinx-Magic@RevRagnarok.com
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# Got the info from FPGA-FAQ 0026
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#
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# Rewritten to use pstring/H instead of hardcoded lengths by O. Freyermuth,
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# fixes at least reading of bitfiles from Spartan 2, 3, 6.
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# http://www.fpga-faq.com/FAQ_Pages/0026_Tell_me_about_bit_files.htm
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#
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# First there is the sync header and its length
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0 beshort 0x0009
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>2 belong =0x0ff00ff0
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>>&0 belong =0x0ff00ff0
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>>>&0 byte =0x00
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>>>&1 beshort =0x0001
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>>>&3 string a Xilinx BIT data
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# Next is a Pascal-style string with the NCD name. We want to capture that.
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>>>>&0 pstring/H x - from %s
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# And then 'b'
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>>>>>&1 string b
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# Then the model / part number:
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>>>>>>&0 pstring/H x - for %s
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# Then 'c'
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>>>>>>>&1 string c
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# Then the build-date
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>>>>>>>>&0 pstring/H x - built %s
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# Then 'd'
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>>>>>>>>>&1 string d
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# Then the build-time
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>>>>>>>>>>&0 pstring/H x \b(%s)
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# Then 'e'
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>>>>>>>>>>>&1 string e
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# And length of data
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>>>>>>>>>>>>&0 belong x - data length 0x%x
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# Raw bitstream files
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0 long 0xffffffff
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>&0 belong 0xaa995566 Xilinx RAW bitstream (.BIN)
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